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a151df283f62928766441f04add90e733efb114d
raddebugger/src/torture/torture_radlink.c
T
Nikita Smith fe2778133f rework file directive handling; remove T_Group; add SKIP to disable 
tests that are not passing; change command line syntax for easier
test run/skip/force; updated help; shortened --dbg_graphical -> --gui;
add 'skip' directive to the dbg scripts
2026-06-02 12:10:58 -07:00

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// Copyright (c) Epic Games Tools
// Licensed under the MIT license (https://opensource.org/license/mit/)
// TODO:
// [x] defer_duplicate_imp_link
// [ ] opt_ref_comdat_undef_section
// [ ] opt_ref_weak_alias_comdat
// [ ] reloc_apply_off_out_of_bounds
// [ ] lib_member_reloc_apply_off_out_of_bounds
// [ ] fold_two_funcs
// [ ] same_but_different
// [ ] fold_diamond
// [ ] cyclic_icf
// [ ] fold_with_largest_align
// [ ] relocate_undefined_section_symbol
////////////////////////////////
// Def -> COFF
#define T_COFF_DefSetMachine(v) &(COFF_MachineType){ COFF_MachineType_##v }
#define T_COFF_DefSetTimeStamp(v) &(COFF_TimeStamp){ v }
#define T_COFF_DefGetMachine(v) (v ? *v : COFF_MachineType_X64)
#define T_COFF_DefGetTimeStamp(v) (v ? *v : 0)
typedef enum
{
T_COFF_DefSymbol_Null,
T_COFF_DefSymbol_Extern,
T_COFF_DefSymbol_ExternFunc,
T_COFF_DefSymbol_Static,
T_COFF_DefSymbol_Secdef,
T_COFF_DefSymbol_Associative,
T_COFF_DefSymbol_Weak,
T_COFF_DefSymbol_Abs,
T_COFF_DefSymbol_Undef,
T_COFF_DefSymbol_UndefFunc,
T_COFF_DefSymbol_UndefSec,
T_COFF_DefSymbol_Sect,
T_COFF_DefSymbol_Common,
} T_COFF_DefSymbolType;
typedef struct
{
T_COFF_DefSymbolType type;
char *name;
char *section;
char *head;
char *associate;
char *tag;
U64 value;
U64 size;
COFF_ComdatSelectType selection;
COFF_WeakExtType characteristics;
COFF_SymStorageClass storage_class;
} T_COFF_DefSymbol;
#define T_COFF_DefSymbol_Abs(name_, value_, storage_class_, ...) { .type = T_COFF_DefSymbol_Abs, .name = name_, .value = value_, .storage_class = storage_class_,##__VA_ARGS__ }
#define T_COFF_DefSymbol_AbsExtern(name_, value_, ...) T_COFF_DefSymbol_Abs(name_, value_, COFF_SymStorageClass_External, ## __VA_ARGS__)
#define T_COFF_DefSymbol_AbsStatic(name_, value_, ...) T_COFF_DefSymbol_Abs(name_, value_, COFF_SymStorageClass_Static , ## __VA_ARGS__)
#define T_COFF_DefSymbol_Associative(head_, associate_, ...) { .type = T_COFF_DefSymbol_Associative, .head = head_, .associate = associate_ , ## __VA_ARGS__ }
#define T_COFF_DefSymbol_Common(name_, size_, ...) { .type = T_COFF_DefSymbol_Common, .name = name_, .size = size_ , ## __VA_ARGS__ }
#define T_COFF_DefSymbol_Extern(name_, section_, value_, ...) { .type = T_COFF_DefSymbol_Extern, .name = name_, .section = section_, .value = value_ , ## __VA_ARGS__ }
#define T_COFF_DefSymbol_ExternFunc(name_, section_, value_, ...) { .type = T_COFF_DefSymbol_ExternFunc, .name = name_, .section = section_, .value = value_ , ## __VA_ARGS__ }
#define T_COFF_DefSymbol_Secdef(section_, selection_, ...) { .type = T_COFF_DefSymbol_Secdef, .section = section_, .selection = selection_ , ## __VA_ARGS__ }
#define T_COFF_DefSymbol_Sect(name_, section_, ...) { .type = T_COFF_DefSymbol_Sect, .name = name_, .section = section_ , ## __VA_ARGS__ }
#define T_COFF_DefSymbol_Static(name_, section_, value_, ...) { .type = T_COFF_DefSymbol_Static, .name = name_, .section = section_, .value = value_ , ## __VA_ARGS__ }
#define T_COFF_DefSymbol_Undef(name_, ...) { .type = T_COFF_DefSymbol_Undef, .name = name_ , ## __VA_ARGS__ }
#define T_COFF_DefSymbol_UndefFunc(name_, ...) { .type = T_COFF_DefSymbol_UndefFunc, .name = name_ , ## __VA_ARGS__ }
#define T_COFF_DefSymbol_UndefSec(name_, value_, ...) { .type = T_COFF_DefSymbol_UndefSec, .name = name_, .value = value_ , ## __VA_ARGS__ }
#define T_COFF_DefSymbol_Weak(name_, characteristics_, tag_, ...) { .type = T_COFF_DefSymbol_Weak, .name = name_, .characteristics = characteristics_, .tag = tag_, ## __VA_ARGS__ }
#define T_COFF_DefReloc_SetType(v) &(COFF_RelocType){ COFF_Reloc_##v }
#define T_COFF_DefReloc(type_, apply_off_, symbol_) { .type = T_COFF_DefReloc_SetType(type_), .apply_off = apply_off_, .symbol = symbol_ }
typedef struct
{
COFF_RelocType *type;
U64 apply_off;
char *symbol;
} T_COFF_DefReloc;
typedef struct
{
char *id;
char *name;
String8 data;
char *flags;
COFF_SectionFlags raw_flags;
T_COFF_DefReloc *relocs;
} T_COFF_DefSection;
typedef struct
{
COFF_MachineType *machine;
COFF_TimeStamp *time_stamp;
T_COFF_DefSection *sections;
T_COFF_DefSymbol *symbols;
char **directives;
String8 path;
} T_COFF_DefObj;
typedef struct
{
char *dll;
char *name;
COFF_ImportByType import_by;
COFF_ImportType type;
U64 hit_or_ordinal;
COFF_TimeStamp *time_stamp;
COFF_MachineType *machine;
} T_COFF_DefImport;
typedef struct
{
char *name;
COFF_MachineType *machine;
COFF_TimeStamp *time_stamp;
} T_COFF_DefDllImport;
typedef enum
{
T_COFF_DefLibMember_Null,
T_COFF_DefLibMember_Obj,
T_COFF_DefLibMember_Import,
T_COFF_DefLibMember_DllImportStatic,
} T_COFF_DefLibMemberType;
typedef struct
{
T_COFF_DefLibMemberType type;
union {
T_COFF_DefObj obj;
T_COFF_DefImport import;
T_COFF_DefDllImport dll_import;
};
} T_COFF_DefLibMember;
typedef struct
{
U16 mode;
B32 emit_second_member;
T_COFF_DefLibMember *members;
} T_COFF_DefLib;
typedef enum
{
T_COFF_DefRootType_Null,
T_COFF_DefRootType_Obj,
T_COFF_DefRootType_Lib
} T_COFF_DefRootType;
typedef struct
{
T_COFF_DefRootType type;
union {
T_COFF_DefObj obj;
T_COFF_DefLib lib;
};
} T_COFF_DefRoot;
internal COFF_ObjSection *
t_coff_from_def_require_section(HashTable *section_ht, String8 id)
{
COFF_ObjSection *result = hash_table_search_string_raw(section_ht, id);
AssertAlways(result != 0);
return result;
}
internal COFF_ObjSymbol *
t_coff_from_def_require_symbol(HashTable *symbol_ht, String8 id)
{
COFF_ObjSymbol *result = hash_table_search_string_raw(symbol_ht, id);
AssertAlways(result != 0);
return result;
}
internal COFF_SectionFlags
t_coff_section_flags_from_cstr(char *v)
{
COFF_SectionFlags f = 0;
for (char *p = v; p && *p; ++p) {
switch (*p) {
case 'r': f |= COFF_SectionFlag_MemRead; break;
case 'w': f |= COFF_SectionFlag_MemWrite; break;
case 'x': f |= COFF_SectionFlag_MemExecute; break;
case ':': {
char *type_begin = p + 1;
char *type_end = type_begin;
for (; *type_end && *type_end != '@'; ++type_end) {}
String8 type = str8((U8 *)type_begin, (U64)(type_end - type_begin));
if (str8_match(type, str8_lit("bss"), StringMatchFlag_CaseInsensitive)) {
f |= COFF_SectionFlag_CntUninitializedData;
} else if (str8_match(type, str8_lit("data"), StringMatchFlag_CaseInsensitive)) {
f |= COFF_SectionFlag_CntInitializedData;
} else if (str8_match(type, str8_lit("code"), StringMatchFlag_CaseInsensitive)) {
f |= COFF_SectionFlag_CntCode;
}
p = type_end - 1;
} break;
case '@': {
char *align_begin = p + 1;
char *align_end = align_begin;
for (; char_is_digit(*align_end, 10); ++align_end) {}
AssertAlways(align_end > align_begin);
U64 align = u64_from_str8(str8((U8 *)align_begin, (U64)(align_end - align_begin)), 10);
COFF_SectionFlags align_flags = coff_section_flag_from_align_size(align);
AssertAlways(align_flags != 0);
f |= align_flags;
p = align_end - 1;
} break;
default: AssertAlways(0 && "unknown flag"); break;
}
}
return f;
}
internal String8
t_coff_from_def_obj(Arena *arena, T_COFF_DefObj obj)
{
Temp scratch = scratch_begin(&arena, 1);
HashTable *section_ht = hash_table_init(scratch.arena, 1000);
HashTable *symbol_ht = hash_table_init(scratch.arena, 1000);
COFF_ObjWriter *writer = coff_obj_writer_alloc(T_COFF_DefGetTimeStamp(obj.time_stamp), T_COFF_DefGetMachine(obj.machine));
// push sections
for (T_COFF_DefSection *section = obj.sections; section && section->id != 0; ++section) {
String8 id = str8_cstring(section->id);
String8 name = str8_cstring(section->name);
if (hash_table_search_string_raw(section_ht, id) == 0) {
COFF_SectionFlags flags = section->raw_flags;
flags |= t_coff_section_flags_from_cstr(section->flags);
COFF_ObjSection *sect = coff_obj_writer_push_section(writer, name, flags, section->data);
hash_table_push_string_raw(scratch.arena, section_ht, id, sect);
} else {
AssertAlways(!"error: identifier is already reserved");
}
}
// push directives
for (char **dir = obj.directives; dir && *dir; ++dir) {
coff_obj_writer_push_directive(writer, str8_cstring(*dir));
}
// push symbols
for (T_COFF_DefSymbol *symbol = obj.symbols; symbol && symbol->type != 0; ++symbol) {
String8 name = str8_cstring(symbol->name);
String8 section = str8_cstring(symbol->section);
String8 head = str8_cstring(symbol->head);
String8 associate = str8_cstring(symbol->associate);
String8 tag = str8_cstring(symbol->tag);
COFF_ObjSymbol *ptr = 0;
switch (symbol->type) {
case T_COFF_DefSymbol_ExternFunc: { ptr = coff_obj_writer_push_symbol_extern_func(writer, name, safe_cast_u32(symbol->value), t_coff_from_def_require_section(section_ht, section)); } break;
case T_COFF_DefSymbol_Extern: { ptr = coff_obj_writer_push_symbol_extern (writer, name, safe_cast_u32(symbol->value), t_coff_from_def_require_section(section_ht, section)); } break;
case T_COFF_DefSymbol_Static: { ptr = coff_obj_writer_push_symbol_static (writer, name, safe_cast_u32(symbol->value), t_coff_from_def_require_section(section_ht, section)); } break;
case T_COFF_DefSymbol_Secdef: { ptr = coff_obj_writer_push_symbol_secdef (writer, t_coff_from_def_require_section(section_ht, section), symbol->selection); } break;
case T_COFF_DefSymbol_Associative: { ptr = coff_obj_writer_push_symbol_associative(writer, t_coff_from_def_require_section(section_ht, head), t_coff_from_def_require_section(section_ht, associate)); } break;
case T_COFF_DefSymbol_Weak: { ptr = coff_obj_writer_push_symbol_weak (writer, name, symbol->characteristics, t_coff_from_def_require_symbol(symbol_ht, tag)); } break;
case T_COFF_DefSymbol_Abs: { ptr = coff_obj_writer_push_symbol_abs (writer, name, safe_cast_u32(symbol->value), symbol->storage_class); } break;
case T_COFF_DefSymbol_Undef: { ptr = coff_obj_writer_push_symbol_undef (writer, name); } break;
case T_COFF_DefSymbol_UndefFunc: { ptr = coff_obj_writer_push_symbol_undef_func (writer, name); } break;
case T_COFF_DefSymbol_UndefSec: { ptr = coff_obj_writer_push_symbol_undef_sect (writer, name, safe_cast_u32(symbol->value)); } break;
case T_COFF_DefSymbol_Sect: { ptr = coff_obj_writer_push_symbol_sect (writer, name, t_coff_from_def_require_section(section_ht, section)); } break;
case T_COFF_DefSymbol_Common: { ptr = coff_obj_writer_push_symbol_common (writer, name, safe_cast_u32(symbol->size)); } break;
default: { InvalidPath; } break;
}
if (name.size != 0) {
if (hash_table_search_string_raw(symbol_ht, name) == 0) {
hash_table_push_string_raw(scratch.arena, symbol_ht, name, ptr);
} else {
AssertAlways(!"error: identifier is already reserved");
}
}
}
// push relocs
for (T_COFF_DefSection *section = obj.sections; section && section->id != 0; ++section) {
COFF_ObjSection *sect = t_coff_from_def_require_section(section_ht, str8_cstring(section->id));
for (T_COFF_DefReloc *reloc = section->relocs; reloc && reloc->type != 0; ++reloc) {
COFF_ObjSymbol *symbol = t_coff_from_def_require_symbol(symbol_ht, str8_cstring(reloc->symbol));
coff_obj_writer_section_push_reloc(writer, sect, safe_cast_u32(reloc->apply_off), symbol, *reloc->type);
}
}
String8 result = coff_obj_writer_serialize(arena, writer);
coff_obj_writer_release(&writer);
scratch_end(scratch);
return result;
}
internal String8
t_coff_from_def_lib(Arena *arena, T_COFF_DefLib lib)
{
COFF_LibWriter *writer = coff_lib_writer_alloc();
COFF_TimeStamp time_stamp = 0;
for (T_COFF_DefLibMember *member = lib.members; member && member->type != 0; ++member) {
switch (member->type) {
case T_COFF_DefLibMember_Obj:
{
T_COFF_DefObj obj = member->obj;
String8 path = obj.path.size == 0 ? push_str8f(arena, "member_%llu.obj", (U64)(member - lib.members)) : obj.path;
String8 data = t_coff_from_def_obj(arena, obj);
coff_lib_writer_push_obj(writer, path, data);
} break;
case T_COFF_DefLibMember_Import:
{
T_COFF_DefImport import = member->import;
coff_lib_writer_push_import(writer,
T_COFF_DefGetMachine(import.machine),
T_COFF_DefGetTimeStamp(import.time_stamp),
str8_cstring(import.dll),
import.import_by,
str8_cstring(import.name),
safe_cast_u16(import.hit_or_ordinal),
import.type);
} break;
case T_COFF_DefLibMember_DllImportStatic: {
String8 dll_name = str8_chop_last_dot(str8_cstring(member->dll_import.name));
String8 null_import_debug = lnk_make_linker_debug_symbols(writer->arena, T_COFF_DefGetMachine(member->dll_import.machine));
String8 import_entry_obj = pe_make_import_entry_obj(writer->arena,
dll_name,
T_COFF_DefGetTimeStamp(member->dll_import.time_stamp),
T_COFF_DefGetMachine(member->dll_import.machine),
null_import_debug);
String8 null_import_obj = pe_make_null_import_descriptor_obj(writer->arena,
T_COFF_DefGetTimeStamp(member->dll_import.time_stamp),
T_COFF_DefGetMachine(member->dll_import.machine),
null_import_debug);
String8 null_thunk_obj = pe_make_null_thunk_data_obj(writer->arena,
dll_name,
T_COFF_DefGetTimeStamp(member->dll_import.time_stamp),
T_COFF_DefGetMachine(member->dll_import.machine),
null_import_debug);
coff_lib_writer_push_obj(writer, dll_name, import_entry_obj);
coff_lib_writer_push_obj(writer, dll_name, null_import_obj);
coff_lib_writer_push_obj(writer, dll_name, null_thunk_obj);
} break;
case T_COFF_DefLibMember_Null: break;
default: InvalidPath; break;
}
}
String8 result = coff_lib_writer_serialize(arena, writer, time_stamp, lib.mode, lib.emit_second_member);
coff_lib_writer_release(&writer);
return result;
}
internal String8
t_coff_from_def_root(Arena *arena, T_COFF_DefRoot root)
{
switch (root.type) {
case T_COFF_DefRootType_Obj: return t_coff_from_def_obj(arena, root.obj);
case T_COFF_DefRootType_Lib: return t_coff_from_def_lib(arena, root.lib);
case T_COFF_DefRootType_Null: break;
default: { NotImplemented; } break;
}
return str8_zero();
}
internal B32
t_write_def_obj(char *path, T_COFF_DefObj obj)
{
Temp scratch = scratch_begin(0,0);
B32 is_ok = t_write_file(str8_cstring(path), t_coff_from_def_obj(scratch.arena, obj));
scratch_end(scratch);
return is_ok;
}
internal B32
t_write_def_lib(char *path, T_COFF_DefLib lib)
{
Temp scratch = scratch_begin(0,0);
B32 is_ok = t_write_file(str8_cstring(path), t_coff_from_def_lib(scratch.arena, lib));
scratch_end(scratch);
return is_ok;
}
////////////////////////////////
internal String8
t_make_sec_defn_obj(Arena *arena, String8 payload)
{
return t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "mysect", ".mysect", payload, .flags = "r:data@1" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("mysect", COFF_ComdatSelect_Null),
{0}
}
});
}
internal String8
t_make_obj_with_directive(Arena *arena, String8 directive)
{
String8 directive_cstr = push_cstr(arena, directive);
return t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.directives = (char *[]){ (char *)directive_cstr.str, 0 }
});
}
internal String8
t_make_entry_obj(Arena *arena)
{
return t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\xc3"), .flags = "rx:code@1" },
{0}
},
.symbols = (T_COFF_DefSymbol[]) {
T_COFF_DefSymbol_Extern("entry", "text", 0),
{0}
}
});
}
internal B32
t_write_entry_obj(void)
{
Temp scratch = scratch_begin(0,0);
String8 obj = t_make_entry_obj(scratch.arena);
B32 is_ok = t_write_file(str8_lit("entry.obj"), obj);
scratch_end(scratch);
return is_ok;
}
////////////////////////////////
TEST(machine_compat_check)
{
// unknown.obj
T_Ok(t_write_def_obj("unknown.obj", (T_COFF_DefObj){
.machine = &(COFF_MachineType){ COFF_MachineType_Unknown },
.sections = (T_COFF_DefSection[]){
{ "data", ".data", str8_lit("unknown"), .flags = "rw:data" },
{0}
}
}));
// x64.obj
T_Ok(t_write_def_obj("x64.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "data", ".data", str8_lit("x64"), .flags = "rw:data" },
{0}
}
}));
// entry.obj
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\xc3"), .flags = "rx:code" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("my_entry", "text", 0),
{0}
}
}));
// arm64.obj
T_Ok(t_write_def_obj("arm64.obj", (T_COFF_DefObj){
.machine = &(COFF_MachineType){ COFF_MachineType_Arm64 },
.sections = (T_COFF_DefSection[]){
{ "data", ".data", str8_lit("arm64"), .flags = "rw:data" },
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe entry.obj unknown.obj x64.obj");
T_Ok(g_last_exit_code == 0);
// test objs with conflicting machines
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe entry.obj unknown.obj x64.obj arm64.obj");
T_Ok(g_last_exit_code != 0);
// check /MACHINE switch
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe /machine:amd64 arm64.obj entry.obj");
T_Ok(g_last_exit_code != 0);
}
TEST(simple_link_test)
{
U8 text_payload[] = { 0xC3 };
String8 main_obj;
{
main_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_array_fixed(text_payload), .flags = "rx:code" },
{ "data", ".data", str8_lit("qwe"), .flags = "rw:data" },
{ "zero", ".zero", str8(0, 5), .flags = "rw:bss" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("my_entry", "text", 0),
{0}
}
});
}
String8 main_obj_name = str8_lit("main.obj");
T_Ok(t_write_file(main_obj_name, main_obj));
int file_align = 512;
int virt_align = 4096;
String8 out_name = str8_lit("a.exe");
t_invoke_linkerf("/entry:my_entry /subsystem:console /fixed /filealign:%d /align:%d /out:%S %S", file_align, virt_align, out_name, main_obj_name);
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, out_name);
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
T_Ok(!pe.is_pe32);
T_Ok(pe.section_count == 3);
T_Ok(pe.arch == Arch_x64);
T_Ok(pe.subsystem == PE_WindowsSubsystem_WINDOWS_CUI);
T_Ok(pe.virt_section_align == virt_align);
T_Ok(pe.file_section_align == file_align);
T_Ok(pe.symbol_count == 0);
T_Ok(pe.data_dir_count == PE_DataDirectoryIndex_COUNT);
// check section alignment
for EachIndex(sect_idx, pe.section_count) {
COFF_SectionHeader *sect_header = &section_table[sect_idx];
T_Ok(AlignPadPow2(sect_header->fsize, file_align) == 0);
T_Ok(AlignPadPow2(sect_header->voff, virt_align) == 0);
}
COFF_SectionHeader *text_section = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_section != 0);
T_Ok(text_section->foff == file_align);
T_Ok(pe.entry_point == text_section->voff);
COFF_SectionHeader *data_section = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".data"));
T_Ok(data_section != 0);
COFF_SectionHeader *zero_section = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".zero"));
T_Ok(zero_section != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_section->foff, text_section->foff + text_section->vsize));
T_Ok(str8_match(text_data, str8_array_fixed(text_payload), 0));
PE_OptionalHeader32Plus *opt = str8_deserial_get_raw_ptr(exe, pe.optional_header_off, sizeof(*opt));
T_Ok(opt->sizeof_code == text_section->fsize);
T_Ok(opt->sizeof_inited_data == (text_section->fsize + data_section->fsize));
T_Ok(opt->sizeof_uninited_data == 0x200);
T_Ok(opt->code_base == 0x1000);
T_Ok(opt->image_base == 0x140000000);
T_Ok(opt->major_os_ver == 6);
T_Ok(opt->minor_os_ver == 0);
T_Ok(opt->major_img_ver == 0);
T_Ok(opt->minor_img_ver == 0);
T_Ok(opt->major_subsystem_ver == 6);
T_Ok(opt->minor_subsystem_ver == 0);
T_Ok(opt->win32_version_value == 0);
T_Ok(opt->sizeof_image == 0x4000);
T_Ok(opt->sizeof_headers == 0x200);
T_Ok(opt->dll_characteristics == 0x8120);
T_Ok(opt->loader_flags == 0);
}
TEST(out_of_bounds_section_number)
{
// bad.obj
{
String8 obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "foo", ".foo", str8_lit("foo"), .flags = "rw:data" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("foo", "foo", 0),
{0}
}
});
{
COFF_FileHeaderInfo header = coff_file_header_info_from_data(obj);
String8 string_table = str8_substr(obj, header.string_table_range);
String8 symbol_table = str8_substr(obj, header.symbol_table_range);
COFF_ParsedSymbol symbol = coff_parse_symbol(header, string_table, symbol_table, 0);
COFF_Symbol16 *symbol16 = symbol.raw_symbol;
symbol16->section_number = 123;
}
T_Ok(t_write_file(str8_lit("bad.obj"), obj));
}
// entry.obj
{
String8 obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp("\x48\xC7\xC0\x00\x00\x00\x00\xC3"),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "foo"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("foo"),
{0}
}
});
T_Ok(t_write_file(str8_lit("entry.obj"), obj));
}
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj bad.obj");
T_Ok(g_last_exit_code != 0);
}
TEST(merge)
{
T_Ok(t_write_def_obj("test.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "test", ".test", str8_lit("hello, world"), .flags = "rw:data" },
{0}
}
}));
T_Ok(t_write_entry_obj());
// circular merge
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /merge:.test=.test entry.obj test.obj");
T_Ok(g_last_exit_code != 0);
if (t_id_linker() == T_Linker_RAD) {
T_Ok(g_last_exit_code == LNK_Error_CircularMerge);
}
// circular merge with extra link
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /merge:.test=.data /merge:.data=.test entry.obj test.obj");
T_Ok(g_last_exit_code != 0);
if (t_id_linker() == T_Linker_RAD) {
T_Ok(g_last_exit_code == LNK_Error_CircularMerge);
}
// merge with non-defined section
{
g_last_exit_code;
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /merge:.test=.qwe entry.obj test.obj");
T_Ok(g_last_exit_code == 0);
// make sure linker created .qwe and merged .test into it
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".qwe"));
T_Ok(sect != 0);
T_Ok(sect->flags == PE_DATA_SECTION_FLAGS);
String8 qwe = str8_substr(exe, rng_1u64(sect->foff, sect->foff + sect->vsize));
T_Ok(str8_match(qwe, str8_lit("hello, world"),0));
}
// illegal merge with .reloc
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /merge:.test=.reloc entry.obj test.obj");
T_Ok(g_last_exit_code != 0);
if (t_id_linker() == T_Linker_RAD) {
T_Ok(g_last_exit_code == LNK_Error_IllegalSectionMerge);
}
// illegal merge with .rsrc
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /merge:.test=.rsrc entry.obj test.obj");
T_Ok(g_last_exit_code != 0);
if (t_id_linker() == T_Linker_RAD) {
T_Ok(g_last_exit_code == LNK_Error_IllegalSectionMerge);
}
// merge non-defined section with defined section
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /merge:.qwe=.test entry.obj test.obj");
T_Ok(g_last_exit_code == 0);
// merge .test -> .qwe -> .data
{
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /merge:.test=.qwe /merge:.qwe=.data entry.obj test.obj");
T_Ok(g_last_exit_code == 0);
// make sure linker merged .test into .data
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".data"));
T_Ok(sect != 0);
T_Ok(sect->flags == PE_DATA_SECTION_FLAGS);
String8 data = str8_substr(exe, rng_1u64(sect->foff, sect->foff + sect->vsize));
T_Ok(str8_match(data, str8_lit("hello, world"),0));
}
}
TEST(link_undef)
{
T_Ok(t_write_def_obj("undef.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("undef"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp("\x48\xC7\xC0\x00\x00\x00\x00\xC3"),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "undef"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("undef"),
{0}
}
}));
// try linking unresolved symbol and see if linker picks up on that
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj undef.obj");
T_Ok(g_last_exit_code == LNK_Error_UnresolvedSymbol);
}
TEST(link_unref_undef)
{
T_Ok(t_write_def_obj("undef.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("undef"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\xc3"), .flags = "rx:code" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
{0}
}
}));
// try linking unreferenced unresolved symbol, this must link
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj undef.obj");
T_Ok(g_last_exit_code != 0);
}
TEST(weak_lib_vs_weak_lib)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("q", 0x111),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_SearchLibrary, "q"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3" // ret
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "w"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_AbsExtern("e", 0x222),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_SearchLibrary, "e"),
{0}
}
}));
// linker must pick weak symbol from a.obj
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe a.obj entry.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
String8 imm = str8_substr(text_data, rng_1u64(3, 7));
U32 expected = 0x111;
T_Ok(str8_match(imm, str8_struct(&expected), 0));
}
// linker must pick weak symbol from entry.obj
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
String8 imm = str8_substr(text_data, rng_1u64(3, 7));
U32 expected = 0x222;
T_Ok(str8_match(imm, str8_struct(&expected), 0));
}
}
TEST(weak_lib_vs_weak_nolib)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("q", 0x111),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_NoLibrary, "q"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3" // ret
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "w"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_AbsExtern("e", 0x222),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_SearchLibrary, "e"),
{0}
}
}));
// linker must pick weak symbol from entry.obj
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
String8 imm = str8_substr(text_data, rng_1u64(3, 7));
U32 expected = 0x222;
T_Ok(str8_match(imm, str8_struct(&expected), 0));
}
}
TEST(weak_lib_vs_weak_alias)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("q", 0x111),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_SearchAlias, "q"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3" // ret
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "w"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_AbsExtern("e", 0x222),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_SearchLibrary, "e"),
{0}
}
}));
// linker must pick weak symbol from entry.obj
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj");
T_Ok(g_last_exit_code == LNK_Error_MultiplyDefinedSymbol);
}
TEST(weak_lib_vs_weak_antidep)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("q", 0x111),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_AntiDependency, "q"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3" // ret
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "w"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_AbsExtern("e", 0x222),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_SearchLibrary, "e"),
{0}
}
}));
// linker must pick weak symbol from a.obj
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
String8 imm = str8_substr(text_data, rng_1u64(3, 7));
U32 expected = 0x222;
T_Ok(str8_match(imm, str8_struct(&expected), 0));
}
}
TEST(weak_alias_vs_weak_alias)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("qwe", 0x111),
T_COFF_DefSymbol_Weak("sym", COFF_WeakExt_SearchAlias, "qwe"),
{0}
}
}));
T_Ok(t_write_def_obj("b.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("ewq", 0x222),
T_COFF_DefSymbol_Weak("sym", COFF_WeakExt_SearchAlias, "ewq"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3" // ret
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "sym"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("sym"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe a.obj b.obj entry.obj");
T_Ok(g_last_exit_code == LNK_Error_MultiplyDefinedSymbol);
}
TEST(weak_alias_vs_weak_lib)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("q", 0x111),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_AntiDependency, "q"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00"
"\xC3"
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "w"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_AbsExtern("e", 0x222),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_SearchAlias, "e"),
{0}
}
}));
// linker must pick weak symbol from entry.obj
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
String8 imm = str8_substr(text_data, rng_1u64(3, 7));
U32 expected = 0x222;
T_Ok(str8_match(imm, str8_struct(&expected), 0));
}
}
TEST(weak_alias_vs_weak_nolib)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("q", 0x111),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_NoLibrary, "q"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00"
"\xC3"
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "w"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_AbsExtern("e", 0x222),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_SearchAlias, "e"),
{0}
}
}));
// linker must pick weak symbol from entry.obj
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
String8 imm = str8_substr(text_data, rng_1u64(3, 7));
U32 expected = 0x222;
T_Ok(str8_match(imm, str8_struct(&expected), 0));
}
}
TEST(weak_alias_vs_weak_antidep)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("q", 0x111),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_AntiDependency, "q"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00"
"\xC3"
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "w"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_AbsExtern("e", 0x222),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_SearchAlias, "e"),
{0}
}
}));
// linker must pick weak symbol from entry.obj
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
String8 imm = str8_substr(text_data, rng_1u64(3, 7));
U32 expected = 0x222;
T_Ok(str8_match(imm, str8_struct(&expected), 0));
}
}
TEST(weak_nolib_vs_weak_nolib)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("q", 0x111),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_NoLibrary, "q"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "w"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_AbsExtern("e", 0x222),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_NoLibrary, "e"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
String8 imm = str8_substr(text_data, rng_1u64(3, 7));
U32 expected = 0x222;
T_Ok(str8_match(imm, str8_struct(&expected), 0));
}
}
TEST(weak_nolib_vs_weak_lib)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("q", 0x111),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_SearchLibrary, "q"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "w"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_AbsExtern("e", 0x222),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_NoLibrary, "e"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
String8 imm = str8_substr(text_data, rng_1u64(3, 7));
U32 expected = 0x222;
T_Ok(str8_match(imm, str8_struct(&expected), 0));
}
}
TEST(weak_nolib_vs_weak_alias)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("q", 0x111),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_SearchAlias, "q"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "w"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_AbsExtern("e", 0x222),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_NoLibrary, "e"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj");
T_Ok(g_last_exit_code == LNK_Error_MultiplyDefinedSymbol);
}
TEST(weak_nolib_vs_weak_antidep)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("q", 0x111),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_AntiDependency, "q"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "w"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_AbsExtern("e", 0x222),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_NoLibrary, "e"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
String8 imm = str8_substr(text_data, rng_1u64(3, 7));
U32 expected = 0x222;
T_Ok(str8_match(imm, str8_struct(&expected), 0));
}
}
TEST(weak_antidep_vs_weak_antidep)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("q", 0x111),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_AntiDependency, "q"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "w"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_AbsExtern("e", 0x222),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_AntiDependency, "e"),
{0}
}
}));
// linker must pick weak symbol from a.obj
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe a.obj entry.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
String8 imm = str8_substr(text_data, rng_1u64(3, 7));
U32 expected = 0x111;
T_Ok(str8_match(imm, str8_struct(&expected), 0));
}
// linker must pick weak symbol from entry.obj
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
String8 imm = str8_substr(text_data, rng_1u64(3, 7));
U32 expected = 0x222;
T_Ok(str8_match(imm, str8_struct(&expected), 0));
}
}
TEST(weak_antidep_vs_weak_nolib)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("q", 0x111),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_NoLibrary, "q"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "w"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_AbsExtern("e", 0x222),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_AntiDependency, "e"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
String8 imm = str8_substr(text_data, rng_1u64(3, 7));
U32 expected = 0x222;
T_Ok(str8_match(imm, str8_struct(&expected), 0));
}
}
TEST(weak_antidep_vs_weak_lib)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("q", 0x111),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_SearchLibrary, "q"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "w"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_AbsExtern("e", 0x222),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_AntiDependency, "e"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
String8 imm = str8_substr(text_data, rng_1u64(3, 7));
U32 expected = 0x222;
T_Ok(str8_match(imm, str8_struct(&expected), 0));
}
}
TEST(weak_antidep_vs_weak_alias)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("q", 0x111),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_SearchAlias, "q"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 3, "w"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_AbsExtern("e", 0x222),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_AntiDependency, "e"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
String8 imm = str8_substr(text_data, rng_1u64(3, 7));
U32 expected = 0x111;
T_Ok(str8_match(imm, str8_struct(&expected), 0));
}
}
TEST(weak_vs_common)
{
T_Ok(t_write_def_obj("weak.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){ { "a", ".a", str8_lit("a"), .flags = "rw:data" }, {0} },
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Static("_a", "a", 0),
T_COFF_DefSymbol_Weak("w", COFF_WeakExt_SearchLibrary, "_a"),
{0}
}
}));
T_Ok(t_write_def_obj("common.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){ T_COFF_DefSymbol_Common("w", 2), {0} }
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"
), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){ T_COFF_DefReloc(X64_Addr32Nb, 0, "w"), {0} }
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("w"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe common.obj weak.obj entry.obj");
T_Ok(g_last_exit_code == 0);
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe weak.obj common.obj entry.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *bss = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".bss"));
T_Ok(bss);
T_Ok(bss->fsize == 0);
T_Ok(bss->vsize == 2);
}
TEST(abs_vs_weak)
{
U32 abs_value = 0x123;
U8 text_code[] = { 0x48, 0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC3 };
T_Ok(t_write_def_obj("abs.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("foo", abs_value),
{0},
}
}));
T_Ok(t_write_def_obj("text.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "mydata", ".mydata", str8_lit("mydata"), .flags = "rx:code@1" },
{
"text", ".text", str8_array_fixed(text_code), .flags = "rx:code@1",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr64, 2, "foo"),
{0},
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("mydata", "mydata", 0),
T_COFF_DefSymbol_Weak("foo", COFF_WeakExt_NoLibrary, "mydata"),
T_COFF_DefSymbol_Extern("my_entry", "text", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe abs.obj text.obj");
T_Ok(g_last_exit_code == 0);
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe text.obj abs.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_section = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_section != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_section->foff, text_section->foff + text_section->fsize));
String8 inst = str8_prefix(text_data, 2);
T_Ok(str8_match(inst, str8_array(text_code, 2), 0));
String8 imm = str8_prefix(str8_skip(text_data, 2), 8);
U64 expected_imm = abs_value;
T_Ok(str8_match(imm, str8_struct(&expected_imm), 0));
}
TEST(abs_vs_regular)
{
String8 shared_symbol_name = str8_lit("foo");
U8 regular_payload[] = { 0xC0, 0xFF, 0xEE };
String8 regular_obj_name = str8_lit("regular.obj");
T_Ok(t_write_def_obj("regular.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){ { "data", ".data", str8_array_fixed(regular_payload), .flags = "rw:data" }, {0}, },
.symbols = (T_COFF_DefSymbol[]){ T_COFF_DefSymbol_Extern("foo", "data", 0), {0}, }
}));
String8 abs_obj_name = str8_lit("abs.obj");
T_Ok(t_write_def_obj("abs.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){ T_COFF_DefSymbol_AbsExtern("foo", 0x1234), {0}, }
}));
U8 entry_text[] = {
0x48, 0xC7, 0xC0, 0x00, 0x00, 0x00, 0x00, // mov rax, $imm
0xC3 // ret
};
String8 entry_obj_name = str8_lit("entry.obj");
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text", str8_array_fixed(entry_text), .flags = "rx:code@1",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 3, "foo"),
{0},
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("my_entry", "text", 0),
T_COFF_DefSymbol_Undef("foo"),
{0},
}
}));
// TODO: validate that linker issues multiply defined symbol error
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe abs.obj regular.obj entry.obj");
// linker should complain about multiply defined symbol
T_Ok(g_last_exit_code != 0);
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe regular.obj abs.obj entry.obj");
// linker should complain even in case regular is before abs
T_Ok(g_last_exit_code != 0);
}
TEST(abs_vs_common)
{
String8 shared_symbol_name = str8_lit("foo");
String8 common_obj_name = str8_lit("common.obj");
T_Ok(t_write_def_obj("common.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){ T_COFF_DefSymbol_Common("foo", 321), {0}, }
}));
String8 abs_obj_name = str8_lit("abs.obj");
T_Ok(t_write_def_obj("abs.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){ T_COFF_DefSymbol_AbsExtern("foo", 0x1234), {0}, }
}));
U8 entry_text[] = { 0xC3 };
String8 entry_obj_name = str8_lit("entry.obj");
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){ { "text", ".text", str8_array_fixed(entry_text), .flags = "rx:code@1" }, {0}, },
.symbols = (T_COFF_DefSymbol[]){ T_COFF_DefSymbol_Extern("my_entry", "text", 0), {0}, }
}));
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe abs.obj common.obj entry.obj");
if (g_last_exit_code == 0) {
// TODO: validate that linker issues multiply defined symbol error
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe common.obj abs.obj entry.obj");
if (t_id_linker() == T_Linker_RAD) {
T_Ok(g_last_exit_code == LNK_Error_MultiplyDefinedSymbol);
} else {
T_Ok(g_last_exit_code != 0);
}
}
}
TEST(abs_vs_abs)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){ T_COFF_DefSymbol_AbsExtern("foo", 'a'), {0}, },
}));
T_Ok(t_write_def_obj("b.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){ T_COFF_DefSymbol_AbsExtern("foo", 'b'), {0}, },
}));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe a.obj b.obj entry.obj");
T_Ok(g_last_exit_code == LNK_Error_MultiplyDefinedSymbol);
}
TEST(undef_weak_lib)
{
T_Ok(t_write_def_obj("weak.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("b", 0xc3000000),
T_COFF_DefSymbol_Weak("a", COFF_WeakExt_SearchLibrary, "b"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text", str8_lit_comp("\x00\x00\x00\x00"), .flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){ T_COFF_DefReloc(X64_Addr32Nb, 0, "a"), {0} }
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("a"),
T_COFF_DefSymbol_Extern("entry", "text", 0),
{0},
}
}));
// undefined symbol must always replace weak symbol with search library
t_invoke_linkerf("/subsystem:console /out:a.exe /entry:entry entry.obj weak.obj");
T_Ok(g_last_exit_code == LNK_Error_UnresolvedSymbol);
}
TEST(undef_weak_search_alias)
{
Temp scratch = scratch_begin(0,0);
T_Ok(t_write_def_obj("weak.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){ { "data", ".data", str8_lit_comp("\xde\xad\xbe\xef"), .flags = "rw:data" }, {0} },
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("ptr"),
T_COFF_DefSymbol_Weak("foo", COFF_WeakExt_SearchAlias, "ptr"),
{0}
}
}));
T_Ok(t_write_def_obj("ptr.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("entry"),
T_COFF_DefSymbol_Weak("ptr", COFF_WeakExt_SearchAlias, "entry"),
{0}
}
}));
T_Ok(t_write_def_obj("undef.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"data", ".data", str8_lit_comp("\x00\x00\x00\x00"), .flags = "rw:data",
.relocs = (T_COFF_DefReloc[]){ T_COFF_DefReloc(X64_Addr32Nb, 0, "foo"), {0} }
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){ T_COFF_DefSymbol_Undef("foo"), {0} }
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){ { "text", ".text", str8_lit_comp("\xC3"), .flags = "rx:code@1" }, {0} },
.symbols = (T_COFF_DefSymbol[]){ T_COFF_DefSymbol_Extern("entry", "text", 0), {0} }
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe weak.obj entry.obj ptr.obj undef.obj");
T_Ok(g_last_exit_code == 0);
}
TEST(weak_cycle)
{
String8 ab_obj_name = str8_lit("ab.obj");
T_Ok(t_write_def_obj("ab.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("B"),
T_COFF_DefSymbol_Weak("A", COFF_WeakExt_SearchAlias, "B"),
{0},
}
}));
String8 ba_obj_name = str8_lit("ba.obj");
T_Ok(t_write_def_obj("ba.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("A"),
T_COFF_DefSymbol_Weak("B", COFF_WeakExt_SearchAlias, "A"),
{0},
}
}));
String8 entry_obj_name = str8_lit("entry.obj");
U8 entry_payload[] = { 0xC3 };
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){ { "text", ".text", str8_array_fixed(entry_payload), .flags = "rx:code@1" }, {0} },
.symbols = (T_COFF_DefSymbol[]){ T_COFF_DefSymbol_Extern("my_entry", "text", 0), {0} }
}));
U64 timeout = now_time_us() + 3 * 1000 * 1000; // give a generous 3 seconds
t_invoke_linker_timeoutf(timeout, "/subsystem:console /entry:my_entry %S %S %S", entry_obj_name, ab_obj_name, ba_obj_name);
}
TEST(weak_tag)
{
U32 weak_tag_expected_value = 0x12345678;
String8 weak_tag_obj_name = str8_lit("weak_tag.obj");
T_Ok(t_write_def_obj("weak_tag.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"data", ".data", str8_lit_comp("\x00\x00\x00\x00"), .flags = "rw:data",
.relocs = (T_COFF_DefReloc[]){ T_COFF_DefReloc(X64_Addr32, 0, "strong_second"), {0} }
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsStatic("abs", weak_tag_expected_value),
T_COFF_DefSymbol_Weak("strong_first", COFF_WeakExt_SearchAlias, "abs"),
T_COFF_DefSymbol_Weak("strong_second", COFF_WeakExt_SearchAlias, "strong_first"),
{0}
}
}));
String8 entry_name = str8_lit("my_entry");
U8 entry_text[] = { 0xC3 };
String8 entry_obj_name = str8_lit("entry.obj");
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){ { "text", ".text", str8_array_fixed(entry_text), .flags = "rx:code@1" }, {0} },
.symbols = (T_COFF_DefSymbol[]){ T_COFF_DefSymbol_Extern((char *)entry_name.str, "text", 0), {0} }
}));
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe %S %S", weak_tag_obj_name, entry_obj_name);
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *data_section = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".data"));
String8 data = str8_substr(exe, rng_1u64(data_section->foff, data_section->foff + data_section->vsize));
T_Ok(data_section);
T_Ok(data_section->vsize == 4);
T_Ok(str8_match(data, str8_struct(&weak_tag_expected_value), 0));
}
TEST(undef_section)
{
U8 payload[] = { 1, 2, 3 };
String8 sec_defn_obj = t_make_sec_defn_obj(arena, str8_array_fixed(payload));
T_Ok(t_write_def_obj("main.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"data", ".data", str8_lit_comp("\x00\x00\x00\x00"), .flags = "rw:data",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, ".mysect"),
{0}
}
},
{ "text", ".text", str8_lit_comp("\xC3"), .flags = "rx:code@1" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_UndefSec(".mysect", COFF_SectionFlag_CntInitializedData|COFF_SectionFlag_MemRead),
T_COFF_DefSymbol_Extern("my_entry", "text", 0),
{0}
}
}));
t_write_file(str8_lit("sec_defn.obj"), sec_defn_obj);
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe main.obj sec_defn.obj");
if (g_last_exit_code == 0) {
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *data_section = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".data"));
COFF_SectionHeader *mysect_section = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".mysect"));
if (data_section && mysect_section) {
if (data_section->vsize == 4 && mysect_section->vsize == 3) {
String8 addr32nb = str8_substr(exe, rng_1u64(data_section->foff, data_section->foff + data_section->vsize));
String8 expected_voff = str8_struct(&mysect_section->voff);
T_Ok(str8_match(addr32nb, expected_voff, 0));
}
}
}
}
TEST(sect_symbol)
{
String8 sect_payload = str8_lit("hello, world");
T_Ok(t_write_def_obj("sect.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "mysect1", ".mysect$1", sect_payload, .flags = "rw:data@1" },
{0}
},
.directives = (char *[]){ "/merge:.mysect=.data", 0 }
}));
T_Ok(t_write_def_obj("main.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"data", ".data", str8_lit_comp("\x00\x00\x00\x00\x00\x00\x00\x00"), .flags = "rw:data",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr64, 0, ".mysect$2222"),
{0}
}
},
{ "text", ".text", str8_lit_comp("\xC3"), .flags = "rx:code@1" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_UndefSec(".mysect$2222", t_coff_section_flags_from_cstr("rw:data")),
T_COFF_DefSymbol_Extern("my_entry", "text", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe main.obj sect.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".data"));
T_Ok(sect != 0);
String8 sect_data = str8_substr(exe, rng_1u64(sect->foff, sect->foff + sect->vsize));
String8 addr_data = str8_substr(sect_data, rng_1u64(0, sizeof(U64)));
T_Ok(addr_data.size == sizeof(U64));
U64 addr = *(U64 *)addr_data.str;
T_Ok(addr - (pe.image_base + sect->voff) == 8);
String8 payload_got = str8_substr(sect_data, rng_1u64(8, sect_data.size));
T_Ok(str8_match(payload_got, sect_payload, 0));
}
TEST(undef_reloc_section)
{
U8 payload[] = { 1, 2, 3 };
String8 sec_defn_obj = t_make_sec_defn_obj(arena, str8_array_fixed(payload));
T_Ok(t_write_def_obj("main.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\xC3"), .flags = "rx:code" },
{
"data", ".data", str8_lit_comp("\x00\x00\x00\x00\x00\x00\x00\x00"), .flags = "rw:data",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr64, 0, ".reloc"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("my_entry", "text", 0),
T_COFF_DefSymbol_UndefSec(".reloc", PE_RELOC_SECTION_FLAGS),
{0}
}
}));
T_Ok(t_write_file(str8_lit("sec_defn.obj"), sec_defn_obj));
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe main.obj sec_defn.obj");
if (t_id_linker() == T_Linker_RAD) {
T_Ok(g_last_exit_code == LNK_Error_SectRefsDiscardedMemory);
} else {
T_Ok(g_last_exit_code != 0);
}
}
TEST(find_merged_pdata)
{
U8 foobar_payload[] = {
0x40, 0x57, 0x48, 0x81, 0xEC, 0x00, 0x02, 0x00, 0x00, 0x48, 0x8B, 0x05, 0x00, 0x00, 0x00, 0x00,
0x48, 0x33, 0xC4, 0x48, 0x89, 0x84, 0x24, 0xF0, 0x01, 0x00, 0x00, 0x48, 0x8D, 0x04, 0x24, 0x48,
0x8B, 0xF8, 0x33, 0xC0, 0xB9, 0xEC, 0x01, 0x00, 0x00, 0xF3, 0xAA, 0xB8, 0x04, 0x00, 0x00, 0x00,
0x48, 0x6B, 0xC0, 0x02, 0x8B, 0x04, 0x04, 0x48, 0x8B, 0x8C, 0x24, 0xF0, 0x01, 0x00, 0x00, 0x48,
0x33, 0xCC, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x48, 0x81, 0xC4, 0x00, 0x02, 0x00, 0x00, 0x5F, 0xC3,
0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC,
0x48, 0x83, 0xEC, 0x28, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x48, 0x83, 0xC4, 0x28, 0xC3
};
U8 xdata_payload[] = {
0x19, 0x1B, 0x03, 0x00, 0x09, 0x01, 0x40, 0x00, 0x02, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xF0, 0x01, 0x00, 0x00, 0x01, 0x04, 0x01, 0x00, 0x04, 0x42, 0x00, 0x00
};
PE_IntelPdata intel_pdata = {0};
U8 text_payload[] = { 0xC3 };
T_Ok(t_write_def_obj("main.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "xdata", ".xdata", str8_array_fixed(xdata_payload), .flags = "r:data@4" },
{
"pdata", ".pdata", str8_struct(&intel_pdata), .flags = "r:data@4",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, OffsetOf(PE_IntelPdata, voff_unwind_info), "$unwind$foobar"),
T_COFF_DefReloc(X64_Addr32Nb, OffsetOf(PE_IntelPdata, voff_first), "foobar"),
T_COFF_DefReloc(X64_Addr32Nb, OffsetOf(PE_IntelPdata, voff_one_past_last), "foobar"),
{0}
}
},
{ "foobar", ".foobar", str8_array_fixed(foobar_payload), .flags = "rx:code@1" },
{ "text", ".text", str8_array_fixed(text_payload), .flags = "rx:code@1" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Static("foobar", "foobar", 0),
T_COFF_DefSymbol_Secdef("xdata", COFF_ComdatSelect_Null),
T_COFF_DefSymbol_Static("$unwind$foobar", "xdata", 0),
T_COFF_DefSymbol_Secdef("pdata", COFF_ComdatSelect_Null),
T_COFF_DefSymbol_Static("$pdata$foobar", "pdata", 0),
T_COFF_DefSymbol_Extern("my_entry", "text", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe main.obj /merge:.pdata=.rdata");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
T_Ok(dim_1u64(pe.data_dir_franges[PE_DataDirectoryIndex_EXCEPTIONS]) == 0xC);
}
TEST(section_sort)
{
COFF_SectionFlags data_flags = COFF_SectionFlag_CntInitializedData|COFF_SectionFlag_MemRead|COFF_SectionFlag_MemRead|COFF_SectionFlag_Align1Bytes;
T_Ok(t_write_def_obj("data.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "data_z", ".data$z", str8_lit("five"), .raw_flags = data_flags },
{ "data_a", ".data$a", str8_lit("three"), .raw_flags = data_flags },
{ "data_bbbbb", ".data$bbbbb", str8_lit("four"), .raw_flags = data_flags },
{ "data_empty", ".data$", str8_lit("two"), .raw_flags = data_flags },
{ "data", ".data", str8_lit("one"), .raw_flags = data_flags },
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\xC3"), .flags = "rx:code@1" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("my_entry", "text", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe data.obj entry.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *data_section = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".data"));
T_Ok(data_section);
String8 data = str8_substr(exe, rng_1u64(data_section->foff, data_section->foff + data_section->vsize));
String8 expected_data = str8_lit("onetwothreefourfive");
T_Ok(str8_match(data, expected_data, 0));
}
TEST(flag_conf)
{
COFF_SectionFlags my_sect0_flags = COFF_SectionFlag_CntInitializedData|COFF_SectionFlag_MemRead|COFF_SectionFlag_MemExecute;
COFF_SectionFlags my_sect1_flags = COFF_SectionFlag_CntInitializedData|COFF_SectionFlag_MemRead|COFF_SectionFlag_MemWrite;
T_Ok(t_write_def_obj("conf.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "a", ".mysect", str8_lit("one"), .raw_flags = my_sect0_flags },
{ "b", ".mysect", str8_lit("two"), .raw_flags = my_sect1_flags },
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\xC3"), .flags = "rx:code@1" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("my_entry", "text", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe conf.obj entry.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeaderArray my_sects = coff_section_header_array_from_name(arena, string_table, section_table, pe.section_count, str8_lit(".mysect"));
T_Ok(my_sects.count == 2);
COFF_SectionHeader *my_sect0 = &my_sects.v[0];
COFF_SectionHeader *my_sect1 = &my_sects.v[1];
T_Ok(my_sect0->flags == my_sect0_flags);
T_Ok(my_sect1->flags == my_sect1_flags);
}
TEST(invalid_bss)
{
COFF_SectionFlags bss_flags = COFF_SectionFlag_CntInitializedData|COFF_SectionFlag_MemRead;
String8 bss_data = str8_lit("Hello, World");
T_Ok(t_write_def_obj("bss.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "bss", ".bss", bss_data, .raw_flags = bss_flags },
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\xC3"), .flags = "rx:code@1" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("my_entry", "text", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe bss.obj entry.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *bss_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".bss"));
T_Ok(bss_sect != 0);
T_Ok(bss_sect->vsize == 0xC);
T_Ok(bss_sect->flags == bss_flags);
String8 data = str8_substr(exe, rng_1u64(bss_sect->foff, bss_sect->foff + bss_sect->vsize));
T_Ok(str8_match(data, bss_data, 0));
}
TEST(common_block)
{
U8 a_data[6] = {0};
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"data", ".data", str8_array_fixed(a_data), .flags = "rw:data@1",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 0, "A"),
{0}
}
},
{ "bss", ".bss", str8(0, 1), .flags = "rw:bss" }, // shift common block's initial position
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Common("A", 3),
{0}
}
}));
U8 b_data[9] = { 0 };
T_Ok(t_write_def_obj("b.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"data", ".data", str8_array_fixed(b_data), .flags = "rw:data@1",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr64, 0, "B"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Common("B", 6),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\xC3"), .flags = "rx:code@1" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("my_entry", "text", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe /fixed /largeaddressaware:no /merge:.bss=.comm a.obj b.obj entry.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
COFF_SectionHeader *comm_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".comm"));
COFF_SectionHeader *data_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".data"));
T_Ok(comm_sect != 0);
T_Ok(data_sect != 0);
// blocks must be sorted in descending order to reduce alignment padding
T_Ok(comm_sect->vsize == 0x13);
// ensure linker correctly patched addresses for symbols pointing into common block
String8 data = str8_substr(exe, rng_1u64(data_sect->foff, data_sect->foff + data_sect->fsize));
U32 *a_addr = (U32 *)data.str;
U64 *b_addr = (U64 *)(data.str + sizeof(a_data));
T_Ok(*a_addr == (pe.image_base + comm_sect->voff + 0x10));
T_Ok(*b_addr == (pe.image_base + comm_sect->voff + 0x8));
}
TEST(base_relocs)
{
// main.obj
String8 entry_name = str8_lit("my_entry");
U64 mov_func_name64 = 2;
U64 mov_func_name32 = 16;
U8 main_text[] = {
0x48, 0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // mov rax, func_name
0xff, 0xd0, // call rax
0x48, 0x31, 0xc0, // xor rax, rax
0xb8, 0x00, 0x00, 0x00, 0x00, // mov eax, func_name
0xff, 0xd0, // call rax
0xc3 // ret
};
// func.obj
String8 func_name = str8_lit("foo");
U8 func_text[] = { 0xc3 };
// linker must not produce base relocations for absolute symbol
T_Ok(t_write_def_obj("main.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text", str8_array_fixed(main_text), .flags = "rx:code@1",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr64, mov_func_name64, "foo"),
T_COFF_DefReloc(X64_Addr32, mov_func_name32, "foo"),
{0}
}
},
{
"data", ".data", str8_lit_comp("\x00\x00\x00\x00"), .flags = "rw:data",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, 0, "abs"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("foo"),
T_COFF_DefSymbol_AbsStatic("abs", 0x12345678),
T_COFF_DefSymbol_Extern((char *)entry_name.str, "text", 0),
{0}
}
}));
T_Ok(t_write_def_obj("func.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_array_fixed(func_text), .flags = "rx:code@1" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern((char *)func_name.str, "text", 0),
{0}
}
}));
String8 out_name = str8_lit("a.exe");
t_invoke_linkerf("/subsystem:console /entry:my_entry /dynamicbase /largeaddressaware:no /out:a.exe main.obj func.obj");
T_Ok(g_last_exit_code == 0);
// it is illegal to merge .reloc with other sections
t_invoke_linkerf("/subsystem:console /entry:my_entry /dynamicbase /largeaddressaware:no /out:a.exe /merge:.reloc=.rdata main.obj func.obj");
if (t_id_linker() == T_Linker_RAD) {
T_Ok(g_last_exit_code == LNK_Error_IllegalSectionMerge);
} else {
T_Ok(g_last_exit_code != 0);
}
// the other way around is illegal too
t_invoke_linkerf("/subsystem:console /entry:my_entry /dynamicbase /largeaddressaware:no /out:a.exe /merge:.rdata=.reloc main.obj func.obj");
if (t_id_linker() == T_Linker_RAD) {
T_Ok(g_last_exit_code == LNK_Error_IllegalSectionMerge);
} else {
T_Ok(g_last_exit_code != 0);
}
}
TEST(simple_lib_test)
{
String8 test_payload = str8_lit("The quick brown fox jumps over the lazy dog");
T_Ok(t_write_def_lib("test.lib", (T_COFF_DefLib){
.emit_second_member = 1,
.members = (T_COFF_DefLibMember[]){
{
.type = T_COFF_DefLibMember_Obj,
.obj = {
.path = str8_lit("test.obj"),
.machine = T_COFF_DefSetMachine(Unknown),
.sections = (T_COFF_DefSection[]){
{ "data", ".data", str8(test_payload.str, test_payload.size+1), .flags = "rw:data" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("test", "data", 0),
{0}
}
}
},
{0}
}
}));
U8 entry_text[] = {
0x48, 0xC7, 0xC0, 0x00, 0x00, 0x00, 0x00,
0xC3
};
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text", str8_array_fixed(entry_text), .flags = "rx:code@1",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 3, "test"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("test"),
T_COFF_DefSymbol_Extern("my_entry", "text", 7),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe entry.obj test.lib");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
COFF_SectionHeader *data_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".data"));
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->fsize));
String8 data_data = str8_substr(exe, rng_1u64(data_sect->foff, data_sect->foff + data_sect->fsize));
// was test payload linked?
String8 data_string = str8_cstring_capped(data_data.str, data_data.str + data_data.size);
T_Ok(str8_match(data_string, test_payload, 0));
// do we have enough bytes to read text?
T_Ok(text_data.size >= sizeof(entry_text));
// linker must pull-in test.obj and patch relocation for "test" symbol
U32 *data_addr32nb = (U32 *)(text_data.str+3);
T_Ok(*data_addr32nb == data_sect->voff);
}
#if OS_WINDOWS
TEST(import_export)
{
// write objs
T_Ok(t_write_def_obj("import.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
.id = "data",
.name = ".data",
.flags = "rw:data",
.data = str8_array_fixed((U8[1024]){0}),
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0*4, "__imp_foo"),
T_COFF_DefReloc(X64_Addr32Nb, 1*4, "__imp_bar"),
T_COFF_DefReloc(X64_Addr32Nb, 2*4, "__imp_baz"),
T_COFF_DefReloc(X64_Addr32Nb, 3*4, "__imp_baf"),
T_COFF_DefReloc(X64_Addr32Nb, 4*4, "__imp_ord"),
T_COFF_DefReloc(X64_Addr32Nb, 5*4, "bar"),
T_COFF_DefReloc(X64_Addr32Nb, 6*4, "foo"),
T_COFF_DefReloc(X64_Addr32Nb, 7*4, "ord"),
{0},
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("__imp_foo"),
T_COFF_DefSymbol_Undef("__imp_bar"),
T_COFF_DefSymbol_Undef("__imp_baz"),
T_COFF_DefSymbol_Undef("__imp_baf"),
T_COFF_DefSymbol_Undef("__imp_ord"),
T_COFF_DefSymbol_Undef("bar"),
T_COFF_DefSymbol_Undef("foo"),
T_COFF_DefSymbol_Undef("ord"),
//"baf",
//"baz",
//"__imp_ord2",
//"__imp_ord4",
{0},
},
}));
T_Ok(t_write_def_obj("export.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "data", ".data", str8_lit("test"), .flags = "rw:data" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("foo", "data", 0),
T_COFF_DefSymbol_Extern("ord", "data", 1),
T_COFF_DefSymbol_Extern("ord2", "data", 2),
T_COFF_DefSymbol_Extern("ord3", "data", 9),
T_COFF_DefSymbol_Extern("ord4", "data", 10),
{0}
},
.directives = (char*[]){
"/export:foo=foo",
"/export:bar=foo",
"/export:ord,@5",
"/export:ord2,@6,DATA",
"/export:ord3,@7,NONAME,PRIVATE",
"/export:ord4,@8,NONAME,DATA",
"/export:baz=BAZ.qwe",
"/export:baf=BAZ.#1",
0,
}
}));
T_Ok(t_write_def_obj("baz.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "s1", ".s1", str8_lit("s1"), .flags = "rw:data" },
{ "s2", ".s2", str8_lit("s2"), .flags = "rw:data" },
{ "text", ".text", str8_lit_comp("\xc3"), .flags = "rx:code" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("_DllMainCRTStartup", "text", 0),
T_COFF_DefSymbol_Extern("s1", "s1", 0),
T_COFF_DefSymbol_Extern("s2", "s2", 0),
{0}
},
.directives = (char*[]){
"/export:baf=s1",
"/export:baz=s2",
0,
}
}));
T_Ok(t_write_entry_obj());
// link dlls
t_invoke_linkerf("/dll /out:export.dll libcmt.lib export.obj"); // export.dll
T_Ok(g_last_exit_code == 0);
t_invoke_linkerf("/dll /out:baz.dll /export:s1,@1,NONAME /export:qwe=s2 baz.obj"); // baz.dll
T_Ok(g_last_exit_code == 0);
// validate export table in export.dll
if (t_id_linker() == T_Linker_RAD) {
// validate export table in export.dll
{
String8 dll = t_read_file(arena, str8_lit("export.dll"));
PE_BinInfo pe = pe_bin_info_from_data(arena, dll);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(dll, pe.section_table_range).str;
PE_ParsedExportTable export_table = pe_exports_from_data(arena, pe.section_count, section_table, dll, pe.data_dir_franges[PE_DataDirectoryIndex_EXPORT], pe.data_dir_vranges[PE_DataDirectoryIndex_EXPORT]);
COFF_SectionHeader *data_sect = coff_section_header_from_name(str8_zero(), section_table, pe.section_count, str8_lit(".data"));
// validate header
T_Ok(export_table.flags == 0);
T_Ok(export_table.time_stamp == COFF_TimeStamp_Max);
T_Ok(export_table.major_ver == 0);
T_Ok(export_table.minor_ver == 0);
T_Ok(export_table.ordinal_base == 5);
T_Ok(export_table.export_count == 8);
// validate names
T_Ok(str8_match(export_table.exports[0].name, str8_lit("baf"), 0));
T_Ok(str8_match(export_table.exports[1].name, str8_lit("bar"), 0));
T_Ok(str8_match(export_table.exports[2].name, str8_lit("baz"), 0));
T_Ok(str8_match(export_table.exports[3].name, str8_lit("foo"), 0));
T_Ok(str8_match(export_table.exports[4].name, str8_lit("ord"), 0));
T_Ok(str8_match(export_table.exports[5].name, str8_lit("ord2"), 0));
T_Ok(export_table.exports[6].name.size == 0);
T_Ok(export_table.exports[7].name.size == 0);
// validate forwarders
T_Ok(str8_match(export_table.exports[0].forwarder, str8_lit("BAZ.#1"), 0));
T_Ok(export_table.exports[1].forwarder.size == 0);
T_Ok(str8_match(export_table.exports[2].forwarder, str8_lit("BAZ.qwe"), 0));
T_Ok(export_table.exports[3].forwarder.size == 0);
T_Ok(export_table.exports[4].forwarder.size == 0);
T_Ok(export_table.exports[5].forwarder.size == 0);
T_Ok(export_table.exports[6].forwarder.size == 0);
T_Ok(export_table.exports[7].forwarder.size == 0);
// validate voffs
T_Ok(export_table.exports[1].voff == data_sect->voff + 0x0);
T_Ok(export_table.exports[3].voff == data_sect->voff + 0x0);
T_Ok(export_table.exports[4].voff == data_sect->voff + 0x1);
T_Ok(export_table.exports[5].voff == data_sect->voff + 0x2);
T_Ok(export_table.exports[6].voff == data_sect->voff + 0x9);
T_Ok(export_table.exports[7].voff == data_sect->voff + 0xa);
// validate ordinals
T_Ok(export_table.exports[0].ordinal == 9);
T_Ok(export_table.exports[1].ordinal == 10);
T_Ok(export_table.exports[2].ordinal == 11);
T_Ok(export_table.exports[3].ordinal == 12);
T_Ok(export_table.exports[4].ordinal == 5);
T_Ok(export_table.exports[5].ordinal == 6);
T_Ok(export_table.exports[6].ordinal == 7);
T_Ok(export_table.exports[7].ordinal == 8);
}
// validate export table in baz.dll
{
String8 dll = t_read_file(arena, str8_lit("baz.dll"));
PE_BinInfo pe = pe_bin_info_from_data(arena, dll);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(dll, pe.section_table_range).str;
PE_ParsedExportTable export_table = pe_exports_from_data(arena, pe.section_count, section_table, dll, pe.data_dir_franges[PE_DataDirectoryIndex_EXPORT], pe.data_dir_vranges[PE_DataDirectoryIndex_EXPORT]);
// validate header
T_Ok(export_table.flags == 0);
T_Ok(export_table.time_stamp == COFF_TimeStamp_Max);
T_Ok(export_table.major_ver == 0);
T_Ok(export_table.minor_ver == 0);
T_Ok(export_table.ordinal_base == 1);
T_Ok(export_table.export_count == 4);
// validate names
T_Ok(str8_match(export_table.exports[0].name, str8_lit("baf"), 0));
T_Ok(str8_match(export_table.exports[1].name, str8_lit("baz"), 0));
T_Ok(str8_match(export_table.exports[2].name, str8_lit("qwe"), 0));
T_Ok(str8_match(export_table.exports[3].name, str8_zero(), 0));
// validate forwarders
T_Ok(str8_match(export_table.exports[0].forwarder, str8_zero(), 0));
T_Ok(str8_match(export_table.exports[1].forwarder, str8_zero(), 0));
T_Ok(str8_match(export_table.exports[2].forwarder, str8_zero(), 0));
T_Ok(str8_match(export_table.exports[3].forwarder, str8_zero(), 0));
// validate voffs
T_Ok(export_table.exports[0].voff == 0x3000);
T_Ok(export_table.exports[1].voff == 0x4000);
T_Ok(export_table.exports[2].voff == 0x4000);
T_Ok(export_table.exports[3].voff == 0x3000);
// validate ordinals
T_Ok(export_table.exports[0].ordinal == 2);
T_Ok(export_table.exports[1].ordinal == 3);
T_Ok(export_table.exports[2].ordinal == 4);
T_Ok(export_table.exports[3].ordinal == 1);
}
}
{
T_Ok(SetDllDirectoryA((LPCSTR)g_wdir.str));
HANDLE export_dll = LoadLibrary("export.dll");
T_Ok(export_dll);
// test query by function name
//T_Ok(GetProcAddress(export_dll, "baf"));
T_Ok(GetProcAddress(export_dll, "bar"));
//T_Ok(GetProcAddress(export_dll, "baz"));
T_Ok(GetProcAddress(export_dll, "foo"));
T_Ok(GetProcAddress(export_dll, "ord"));
T_Ok(GetProcAddress(export_dll, "ord2"));
// test query by ordinal
//T_Ok(GetProcAddress(export_dll, MAKEINTRESOURCE(9)));
T_Ok(GetProcAddress(export_dll, MAKEINTRESOURCE(10)));
//T_Ok(GetProcAddress(export_dll, MAKEINTRESOURCE(11)));
T_Ok(GetProcAddress(export_dll, MAKEINTRESOURCE(12)));
T_Ok(GetProcAddress(export_dll, MAKEINTRESOURCE(5)));
T_Ok(GetProcAddress(export_dll, MAKEINTRESOURCE(6)));
T_Ok(GetProcAddress(export_dll, MAKEINTRESOURCE(7)));
T_Ok(GetProcAddress(export_dll, MAKEINTRESOURCE(8)));
}
//T_Ok(t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /delayload:export.dll /export:entry kernel32.Lib delayimp.lib libcmt.lib export.lib import.obj entry.obj") == 0);
// TODO: check import table
}
#endif
TEST(image_base)
{
T_Ok(t_write_def_obj("image_base.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text",
".text",
str8_lit_comp(
"\x48\x8D\x0D\x00\x00\x00\x00" // lea rcx, [__ImageBase]
"\x48\xB8\x00\x00\x00\x00\x00\x00\x00\x00" // mov rax, __ImageBase
"\xB8\x00\x00\x00\x00" // mov eax, __ImageBase
"\xC3" // ret
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 3, "__ImageBase"),
T_COFF_DefReloc(X64_Addr64, 9, "__ImageBase"),
T_COFF_DefReloc(X64_Addr32Nb, 18, "__ImageBase"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("__ImageBase"),
T_COFF_DefSymbol_Extern("my_entry", "text", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:my_entry /base:0x2000000140000000 /out:a.exe image_base.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_section = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_section);
U8 expected_text[] = {
0x48, 0x8D, 0x0D, 0xF9, 0xEF, 0xFF, 0xFF,
0x48, 0xB8, 0x00, 0x00, 0x00, 0x40, 0x01, 0x00, 0x00, 0x20,
0xB8, 0x00, 0x00, 0x00, 0x00,
0xC3
};
String8 text_data = str8_substr(exe, rng_1u64(text_section->foff, text_section->foff + sizeof(expected_text)));
T_Ok(str8_match(text_data, str8_array_fixed(expected_text), 0));
}
TEST(comdat_any)
{
T_Ok(t_write_def_obj("1.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "test", ".test$mn", str8_lit("1"), .flags = "rw:data@1", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("test", COFF_ComdatSelect_Any),
T_COFF_DefSymbol_ExternFunc("TEST", "test", 0),
{0}
}
}));
T_Ok(t_write_def_obj("2.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "test", ".test$mn", str8_lit("2"), .flags = "rw:data@1", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("test", COFF_ComdatSelect_Any),
T_COFF_DefSymbol_Extern("TEST", "test", 0),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp("\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "TEST"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("TEST"),
{0}
}
}));
{
t_invoke_linkerf("/subsystem:console /entry:entry /out:1.exe 1.obj 2.obj entry.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("1.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".test"));
String8 data = str8_substr(exe, rng_1u64(sect->foff, sect->foff + sect->vsize));
T_Ok(str8_match(data, str8_lit("1"), 0));
}
{
t_invoke_linkerf("/subsystem:console /entry:entry /out:2.exe 2.obj 1.obj entry.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("2.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".test"));
String8 data = str8_substr(exe, rng_1u64(sect->foff, sect->foff + sect->vsize));
T_Ok(str8_match(data, str8_lit("2"), 0));
}
}
TEST(comdat_no_duplicates)
{
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3" // ret
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "a"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("a"),
{0}
}
}));
String8 test_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "test", ".test", str8_lit("a"), .flags = "rw:data@1", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("test", COFF_ComdatSelect_NoDuplicates),
T_COFF_DefSymbol_Extern("a", "test", 0),
{0}
}
});
T_Ok(t_write_file(str8_lit("a.obj"), test_obj));
T_Ok(t_write_file(str8_lit("b.obj"), test_obj));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe a.obj b.obj entry.obj");
T_Ok(g_last_exit_code != 0);
if (t_id_linker() == T_Linker_RAD) { T_Ok(g_last_exit_code == LNK_Error_MultiplyDefinedSymbol); }
t_invoke_linkerf("/subsystem:console /entry:entry /out:b.exe a.obj entry.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("b.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".test"));
T_Ok(sect);
String8 data = str8_substr(exe, rng_1u64(sect->foff, sect->foff + sect->vsize));
T_Ok(str8_match(data, str8_lit("a"), 0));
}
TEST(comdat_same_size)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "a", ".a", str8_lit("a"), .flags = "rw:data@1", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("a", COFF_ComdatSelect_SameSize),
T_COFF_DefSymbol_Extern("TEST", "a", 0),
{0}
}
}));
T_Ok(t_write_def_obj("b.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "b", ".b", str8_lit("b"), .flags = "rw:data@1", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("b", COFF_ComdatSelect_SameSize),
T_COFF_DefSymbol_Extern("TEST", "b", 0),
{0}
}
}));
T_Ok(t_write_def_obj("c.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "c", ".c", str8_lit("cc"), .flags = "rw:data@1", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("c", COFF_ComdatSelect_SameSize),
T_COFF_DefSymbol_Extern("TEST", "c", 0),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3" // ret
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "TEST"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("TEST"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe a.obj b.obj entry.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".a"));
T_Ok(sect != 0);
String8 data = str8_substr(exe, rng_1u64(sect->foff, sect->foff + sect->vsize));
T_Ok(str8_match(data, str8_lit("a"), 0));
}
t_invoke_linkerf("/subsystem:console /entry:entry /out:b.exe a.obj b.obj c.obj entry.obj");
T_Ok(g_last_exit_code != 0);
if (t_id_linker() == T_Linker_RAD) { T_Ok(g_last_exit_code == LNK_Error_MultiplyDefinedSymbol); }
}
TEST(comdat_exact_match)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "a", ".a", str8_lit("a"), .flags = "rw:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("a", COFF_ComdatSelect_ExactMatch),
T_COFF_DefSymbol_Extern("TEST", "a", 0),
{0}
}
}));
T_Ok(t_write_def_obj("a2.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "a2", ".a2", str8_lit("a"), .flags = "rw:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("a2", COFF_ComdatSelect_ExactMatch),
T_COFF_DefSymbol_Extern("TEST", "a2", 0),
{0}
}
}));
T_Ok(t_write_def_obj("b.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "b", ".b", str8_lit("b"), .flags = "rw:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("b", COFF_ComdatSelect_ExactMatch),
T_COFF_DefSymbol_Extern("TEST", "b", 0),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3" // ret
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "TEST"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("TEST"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj b.obj");
T_Ok(g_last_exit_code != 0);
t_invoke_linkerf("/subsystem:console /entry:entry /out:b.exe entry.obj a2.obj a.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("b.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".a2"));
T_Ok(sect != 0);
String8 data = str8_substr(exe, rng_1u64(sect->foff, sect->foff + sect->vsize));
T_Ok(str8_match(data, str8_lit("a"), 0));
}
}
TEST(comdat_largest)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "a", ".a", str8_lit("a"), .flags = "rw:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("a", COFF_ComdatSelect_Largest),
T_COFF_DefSymbol_Extern("TEST", "a", 0),
{0}
}
}));
T_Ok(t_write_def_obj("b.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "b", ".b", str8_lit("bb"), .flags = "rw:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("b", COFF_ComdatSelect_Largest),
T_COFF_DefSymbol_Extern("TEST", "b", 0),
{0}
}
}));
T_Ok(t_write_def_obj("c.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "c", ".c", str8_lit("c"), .flags = "rw:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("c", COFF_ComdatSelect_Largest),
T_COFF_DefSymbol_Extern("TEST", "c", 0),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3" // ret
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "TEST"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("TEST"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /out:a.exe /entry:entry entry.obj a.obj b.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *discard_sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".a"));
T_Ok(discard_sect == 0);
COFF_SectionHeader *sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".b"));
T_Ok(sect != 0);
String8 data = str8_substr(exe, rng_1u64(sect->foff, sect->foff + sect->vsize));
T_Ok(str8_match(data, str8_lit("bb"), 0));
}
t_invoke_linkerf("/subsystem:console /out:b.exe /entry:entry entry.obj c.obj a.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("b.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".c"));
T_Ok(sect != 0);
String8 data = str8_substr(exe, rng_1u64(sect->foff, sect->foff + sect->vsize));
T_Ok(str8_match(data, str8_lit("c"), 0));
}
}
TEST(comdat_associative)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "a", "a", str8_lit("a"), .flags = "rw:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{ "aa", "aa", str8_lit("aa"), .flags = "rw:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("a", COFF_ComdatSelect_Largest),
T_COFF_DefSymbol_Extern("TEST", "a", 0),
T_COFF_DefSymbol_Associative("aa", "a"),
{0}
}
}));
T_Ok(t_write_def_obj("b.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "bb", "bb", str8_lit("bb"), .flags = "rw:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{ "b", "b", str8_lit("b"), .flags = "rw:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{ "bbb", "bbb", str8_lit("bbb"), .flags = "rw:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("bb", COFF_ComdatSelect_Largest),
T_COFF_DefSymbol_Associative("b", "bb"),
T_COFF_DefSymbol_Associative("bbb", "bb"),
T_COFF_DefSymbol_Extern("TEST", "bb", 0),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3" // ret
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "TEST"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("TEST"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj b.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *a = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit("a"));
COFF_SectionHeader *aa = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit("aa"));
COFF_SectionHeader *b = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit("b"));
COFF_SectionHeader *bb = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit("bb"));
COFF_SectionHeader *bbb = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit("bbb"));
T_Ok(a == 0);
T_Ok(aa == 0);
T_Ok(b != 0);
T_Ok(bb != 0);
T_Ok(bbb != 0);
String8 b_data = str8_substr(exe, rng_1u64(b->foff, b->foff + b->vsize));
String8 bb_data = str8_substr(exe, rng_1u64(bb->foff, bb->foff + bb->vsize));
String8 bbb_data = str8_substr(exe, rng_1u64(bbb->foff, bbb->foff + bbb->vsize));
T_Ok(str8_match(b_data, str8_lit("b"), 0));
T_Ok(str8_match(bb_data, str8_lit("bb"), 0));
T_Ok(str8_match(bbb_data, str8_lit("bbb"), 0));
}
TEST(comdat_associative_loop)
{
T_Ok(t_write_def_obj("loop.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "aaaa", ".aaaa", str8_lit("aaaa"), .flags = "rw:data@1", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{ "aa", ".aa", str8_lit("aa"), .flags = "rw:data@1", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{ "a", ".a", str8_lit("a"), .flags = "rw:data@1", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{ "aaa", ".aaa", str8_lit("aaa"), .flags = "rw:data@1", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Associative("aaa", "aa"),
T_COFF_DefSymbol_Associative("aaaa", "aaa"),
T_COFF_DefSymbol_Associative("a", "aa"),
T_COFF_DefSymbol_Associative("aa", "a"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3" // ret
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "TEST"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("TEST"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe loop.obj entry.obj");
T_Ok(g_last_exit_code != 0);
if (t_id_linker() == T_Linker_RAD) { T_Ok(g_last_exit_code == LNK_Error_AssociativeLoop); }
}
TEST(comdat_associative_non_comdat)
{
T_Ok(t_write_def_obj("test.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "a", ".a", str8_lit("a"), .flags = "rw:data" },
{ "b", ".b", str8_lit("b"), .flags = "rw:data" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("TEST", "a", 0),
T_COFF_DefSymbol_Associative("b", "a"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3" // ret
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "TEST"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("TEST"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj test.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *a = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".a"));
COFF_SectionHeader *b = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".b"));
T_Ok(a != 0);
T_Ok(b != 0);
String8 a_data = str8_substr(exe, rng_1u64(a->foff, a->foff + a->vsize));
String8 b_data = str8_substr(exe, rng_1u64(b->foff, b->foff + b->vsize));
T_Ok(str8_match(a_data, str8_lit("a"), 0));
T_Ok(str8_match(b_data, str8_lit("b"), 0));
}
TEST(comdat_associative_out_of_bounds)
{
{
String8 obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "a", ".a", str8_lit("a"), .flags = "rw:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{ "aa", ".aa", str8_lit("aa"), .flags = "rw:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("a", COFF_ComdatSelect_Any),
T_COFF_DefSymbol_Extern("TEST", "a", 0),
T_COFF_DefSymbol_Associative("aa", "a"),
{0}
}
});
{
COFF_FileHeaderInfo header = coff_file_header_info_from_data(obj);
String8 string_table = str8_substr(obj, header.string_table_range);
String8 symbol_table = str8_substr(obj, header.symbol_table_range);
COFF_ParsedSymbol symbol = coff_parse_symbol(header, string_table, symbol_table, 3);
AssertAlways(str8_match(symbol.name, str8_lit(".aa"), 0));
AssertAlways(symbol.aux_symbol_count == 1);
COFF_Symbol16 *symbol16 = symbol.raw_symbol;
COFF_SymbolSecDef *secdef = (COFF_SymbolSecDef *)(symbol16 + 1);
secdef->number_lo = 321;
}
T_Ok(t_write_file(str8_lit("bad.obj"), obj));
}
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3" // ret
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "TEST"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("TEST"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj bad.obj");
T_Ok(g_last_exit_code != 0);
if (t_id_linker() == T_Linker_RAD) { T_Ok(g_last_exit_code == LNK_Error_IllData); }
}
TEST(comdat_with_offset)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "rdata", ".rdata", str8_lit_cstr("1Hello, World!"), .flags = "r:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("rdata", COFF_ComdatSelect_Largest),
T_COFF_DefSymbol_Extern("TEST", "rdata", 1),
{0}
}
}));
T_Ok(t_write_def_obj("b.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "rdata", ".rdata", str8_lit_cstr("Hello, World!"), .flags = "r:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("rdata", COFF_ComdatSelect_Largest),
T_COFF_DefSymbol_Extern("TEST", "rdata", 1),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3" // ret
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 3, "TEST"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("TEST"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe a.obj b.obj entry.obj");
T_Ok(g_last_exit_code == 0);
}
TEST(reloc_against_removed_comdat)
{
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "rdata", ".rdata", str8_lit_cstr("1Hello, World!"), .flags = "r:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("rdata", COFF_ComdatSelect_Largest),
T_COFF_DefSymbol_Extern("TEST", "rdata", 1),
{0}
}
}));
T_Ok(t_write_def_obj("b.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "comdat", ".rdata", str8_lit_cstr("H"), .flags = "r:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{
"regular", ".rdata", str8_lit_comp("\x00\x00\x00\x00"), .flags = "r:data",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "STATIC"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("comdat", COFF_ComdatSelect_Largest),
T_COFF_DefSymbol_Extern("TEST", "comdat", 1),
T_COFF_DefSymbol_Static("STATIC", "comdat", 2),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"
), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 3, "TEST"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("TEST"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe a.obj b.obj entry.obj");
T_Ok(g_last_exit_code == LNK_Error_RelocationAgainstRemovedSection);
}
TEST(sect_align)
{
T_Ok(t_write_def_obj("test.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "shift", ".a", str8_lit("q"), .flags = "rw:data" },
{ "none", ".a", str8_lit("abc"), .flags = "rw:data" },
{ "a1", ".a", str8_lit("wr"), .flags = "rw:data@1" },
{ "a2", ".a", str8_lit("e"), .flags = "rw:data@2" },
{ "a4", ".a", str8_lit("ttttt"), .flags = "rw:data@4" },
{ "a8", ".a", str8_lit("g"), .flags = "rw:data@8" },
{ "a16", ".a", str8_lit("o"), .flags = "rw:data@16" },
{ "a32", ".a", str8_lit("p"), .flags = "rw:data@32" },
{ "a64", ".a", str8_lit("f"), .flags = "rw:data@64" },
{ "a128", ".a", str8_lit("x"), .flags = "rw:data@128" },
{ "a256", ".a", str8_lit("c"), .flags = "rw:data@256" },
{ "a512", ".a", str8_lit("v"), .flags = "rw:data@512" },
{ "a1024", ".a", str8_lit("b"), .flags = "rw:data@1024" },
{ "a2048", ".a", str8_lit("n"), .flags = "rw:data@2048" },
{ "a4096", ".a", str8_lit("m"), .flags = "rw:data@4096" },
{ "a8192", ".a", str8_lit("z"), .flags = "rw:data@8192" },
{ "text", ".text", str8_lit_comp("\xC3"), .flags = "rx:code@1" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("my_entry", "text", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe /align:8192 test.obj");
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".a"));
T_Ok(sect);
String8 sect_data = str8_substr(exe, rng_1u64(sect->foff, sect->foff + sect->vsize));
String8 shift = str8_substr(sect_data, rng_1u64(0, 1));
T_Ok(str8_match(shift, str8_lit("q"), 0));
String8 a_none = str8_substr(sect_data, rng_1u64(16, 16 + 3));
T_Ok(str8_match(a_none, str8_lit("abc"), 0));
String8 a_1 = str8_substr(sect_data, rng_1u64(19, 21));
T_Ok(str8_match(a_1, str8_lit("wr"), 0));
String8 a_2 = str8_substr(sect_data, rng_1u64(22, 23));
T_Ok(str8_match(a_2, str8_lit("e"), 0));
String8 a_4 = str8_substr(sect_data, rng_1u64(24, 29));
T_Ok(str8_match(a_4, str8_lit("ttttt"), 0));
String8 a_8 = str8_substr(sect_data, rng_1u64(32, 33));
T_Ok(str8_match(a_8, str8_lit("g"), 0));
String8 a_16 = str8_substr(sect_data, rng_1u64(48, 49));
T_Ok(str8_match(a_16, str8_lit("o"), 0));
String8 a_32 = str8_substr(sect_data, rng_1u64(64, 65));
T_Ok(str8_match(a_32, str8_lit("p"), 0));
String8 a_64 = str8_substr(sect_data, rng_1u64(128, 129));
T_Ok(str8_match(a_64, str8_lit("f"), 0));
String8 a_128 = str8_substr(sect_data, rng_1u64(256, 257));
T_Ok(str8_match(a_128, str8_lit("x"), 0));
String8 a_256 = str8_substr(sect_data, rng_1u64(512, 513));
T_Ok(str8_match(a_256, str8_lit("c"), 0));
String8 a_512 = str8_substr(sect_data, rng_1u64(1024, 1025));
T_Ok(str8_match(a_512, str8_lit("v"), 0));
String8 a_1024 = str8_substr(sect_data, rng_1u64(2048, 2049));
T_Ok(str8_match(a_1024, str8_lit("b"), 0));
String8 a_2048 = str8_substr(sect_data, rng_1u64(4096, 4097));
T_Ok(str8_match(a_2048, str8_lit("n"), 0));
String8 a_4096 = str8_substr(sect_data, rng_1u64(8192, 8193));
T_Ok(str8_match(a_4096, str8_lit("m"), 0));
String8 a_8192 = str8_substr(sect_data, rng_1u64(16384, 16385));
T_Ok(str8_match(a_8192, str8_lit("z"), 0));
}
TEST(alt_name)
{
T_Ok(t_write_def_obj("test.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "data", ".data", str8_lit("test"), .flags = "rw:data" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("test", "data", 0),
{0}
}
}));
T_Ok(t_write_def_obj("foo.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "data", ".data", str8_lit("foo"), .flags = "rw:data" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("foo", "data", 0),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"
), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "foo"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("foo"),
{0}
}
}));
// basic alternate name test
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /alternatename:foo=test test.obj entry.obj");
T_Ok(g_last_exit_code == 0);
// linker should not chase alt name links
t_invoke_linkerf("/subsystem:console /entry:entry /out:b.exe /alternatename:foo=bar /alternatename:bar=test test.obj entry.obj");
T_Ok(g_last_exit_code != 0);
// alt name conflict
t_invoke_linkerf("/subsystem:console /entry:entry /out:c.exe /alternatename:foo=test /alternatename:foo=qwe test.obj entry.obj");
T_Ok(g_last_exit_code != 0);
// syntax error
t_invoke_linkerf("/subsystem:console /entry:entry /out:d.exe /alternatename:foo foo.obj entry.obj");
T_Ok(g_last_exit_code != 0);
// syntax error
t_invoke_linkerf("/subsystem:console /entry:entry /out:e.exe /alternatename:foo-oof foo.obj entry.obj");
T_Ok(g_last_exit_code != 0);
// syntax error
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /alternatename:foo=test=bar foo.obj entry.obj");
T_Ok(g_last_exit_code != 0);
// syntax error
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /alternatename:foo= foo.obj entry.obj");
T_Ok(g_last_exit_code != 0);
// syntax error
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /alternatename:= foo.obj entry.obj");
T_Ok(g_last_exit_code != 0);
// syntax error
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /alternatename: foo.obj entry.obj");
T_Ok(g_last_exit_code != 0);
// TODO: check that RAD Linker prints these warnings
// warn about alt name to self alt name?
t_invoke_linkerf("/subsystem:console /entry:entry /out:f.exe /alternatename:foo=foo foo.obj entry.obj");
T_Ok(g_last_exit_code == 0);
// warn about alt name to unknown symbol?
t_invoke_linkerf("/subsystem:console /entry:entry /out:g.exe /alternatename:qwe=ewq foo.obj entry.obj");
T_Ok(g_last_exit_code == 0);
}
TEST(include)
{
T_Ok(t_write_def_lib("include.lib", (T_COFF_DefLib){
.emit_second_member = 1,
.members = (T_COFF_DefLibMember[]){
{
.type = T_COFF_DefLibMember_Obj,
.obj = {
.path = str8_lit("include.obj"),
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "data", ".data", str8_lit("foo"), .flags = "rw:data" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("foo", "data", 0),
{0}
}
}
},
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"
), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "entry"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
{0}
}
}));
// simple include test
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /include:foo entry.obj include.lib");
T_Ok(g_last_exit_code == 0);
// validate that linker pulled-in include.obj
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *foo_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".data"));
T_Ok(foo_sect != 0);
String8 foo_data = str8_substr(exe, rng_1u64(foo_sect->foff, foo_sect->foff + foo_sect->vsize));
T_Ok(str8_match(foo_data, str8_lit("foo"), 0));
}
// test unresolved include
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /include:ewq entry.obj");
T_Ok(g_last_exit_code != 0);
if (t_id_linker() == T_Linker_RAD) { T_Ok(g_last_exit_code == LNK_Error_UnresolvedSymbol); }
}
TEST(communal_var_vs_regular)
{
T_Ok(t_write_def_obj("communal.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Common("TEST", 1),
{0}
}
}));
T_Ok(t_write_def_obj("defn.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "data", ".data", str8_lit("test"), .flags = "rw:data" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("TEST", "data", 0),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"
), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "TEST"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("TEST"),
{0}
}
}));
// linker should replace communal TEST with .data TEST
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe communal.obj defn.obj entry.obj");
T_Ok(g_last_exit_code == 0);
t_invoke_linkerf("/subsystem:console /entry:entry /out:b.exe defn.obj communal.obj entry.obj");
T_Ok(g_last_exit_code == 0);
char *exes[] = { "a.exe", "b.exe" };
for EachElement(i, exes) {
String8 exe = t_read_file(arena, str8_cstring(exes[i]));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *data_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".data"));
T_Ok(data_sect);
String8 data = str8_substr(exe, rng_1u64(data_sect->foff, data_sect->foff + data_sect->vsize));
T_Ok(str8_match(data, str8_lit("test"), 0));
}
}
TEST(communal_var_vs_regular_comdat)
{
T_Ok(t_write_def_obj("communal.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Common("TEST", 1),
{0}
}
}));
T_Ok(t_write_def_obj("large.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "data", ".data", str8_lit("test"), .flags = "rw:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("data", COFF_ComdatSelect_Largest),
T_COFF_DefSymbol_Extern("TEST", "data", 0),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"
), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "TEST"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("TEST"),
{0}
}
}));
// linker should replace communal TEST with .data TEST
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe communal.obj large.obj entry.obj");
T_Ok(g_last_exit_code == 0);
t_invoke_linkerf("/subsystem:console /entry:entry /out:b.exe large.obj communal.obj entry.obj");
T_Ok(g_last_exit_code == 0);
char *exes[] = { "a.exe", "b.exe" };
for EachElement(i, exes) {
String8 exe = t_read_file(arena, str8_cstring(exes[i]));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *data_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".data"));
T_Ok(data_sect);
String8 data = str8_substr(exe, rng_1u64(data_sect->foff, data_sect->foff + data_sect->vsize));
T_Ok(str8_match(data, str8_lit("test"), 0));
}
}
#if OS_WINDOWS
TEST(import_kernel32)
{
T_Ok(t_write_def_obj("import.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "data", ".data", str8_lit_cstr("test"), .flags = "rw:data" },
{
"text", ".text",
str8_lit_comp(
"\x48\x83\xEC\x68" // sub rsp,68h ; alloc space on stack
"\xC7\x44\x24\x48\x18\x00\x00\x00" // mov dword ptr [rsp+48h],18h ; SECURITY_ATTRIBUTES.nLength
"\x48\xC7\x44\x24\x50\x00\x00\x00\x00" // mov qword ptr [rsp+50h],0 ; SECURITY_ATTRIBUTES.lpSecurityDescriptor
"\xC7\x44\x24\x58\x00\x00\x00\x00" // mov dword ptr [rsp+58h],0 ; SECURITY_ATTRIBUTES.bInheritHandle
"\x48\xC7\x44\x24\x30\x00\x00\x00\x00" // mov qword ptr [rsp+30h],0 ; hTemplateFile
"\xC7\x44\x24\x28\x80\x00\x00\x00" // mov dword ptr [rsp+28h],80h ; dwFlagsAndAttributes
"\xC7\x44\x24\x20\x02\x00\x00\x00" // mov dword ptr [rsp+20h],2 ; dwCreationDisposition
"\x4C\x8D\x4C\x24\x48" // lea r9,[rsp+48h] ; lpSecurityAttributes
"\x45\x33\xC0" // xor r8d,r8d ; dwShareMode
"\xBA\x00\x00\x00\x40" // mov edx,40000000h ; dwDesiredAccess
"\x48\x8D\x0D\x00\x00\x00\x00" // lea rcx,[test] ; lpFileName
"\xFF\x15\x00\x00\x00\x00" // call qword ptr [__imp_CreateFileA] ; call CreateFileA
"\x48\x89\xC1" // mov rcx,rax ; hObject
"\xFF\x15\x00\x00\x00\x00" // call qword ptr [__imp_CloseHandle] ; call CloseHandle
"\x33\xC0" // xor eax,eax ; clear result
"\x48\x83\xC4\x68" // add rsp,68h ; dealloc stack
"\xC3" // ret ; return
),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 70, "test"),
T_COFF_DefReloc(X64_Rel32, 76, "__imp_CreateFileA"),
T_COFF_DefReloc(X64_Rel32, 85, "__imp_CloseHandle"),
{0},
}
},
{0},
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("test", "data", 0),
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("__imp_CreateFileA"),
T_COFF_DefSymbol_Undef("__imp_CloseHandle"),
{0},
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /fixed import.obj kernel32.lib");
T_Ok(g_last_exit_code == 0);
{
String8 test_file_path = push_str8f(arena, "%S/test", g_wdir);
delete_file_at_path(test_file_path);
ProcessLaunchParams launch_opts = {0};
launch_opts.inherit_env = 0;
launch_opts.path = g_wdir;
str8_list_pushf(arena, &launch_opts.cmd_line, "%S/a.exe", g_wdir);
Process handle = process_launch(&launch_opts);
AssertAlways(!process_match(handle, process_zero()));
U64 exit_code = max_U64;
process_join(handle, max_U64, &exit_code);
T_Ok(exit_code == 0);
T_Ok(file_path_exists(test_file_path));
}
}
TEST(delay_import)
{
{
U8 return_0[] = {
0x48, 0xC7, 0xC0, 0x00, 0x00, 0x00, 0x00, // mov rax, 0
0xc3 // ret
};
U8 return_1[] = {
0x48, 0xC7, 0xC0, 0x01, 0x00, 0x00, 0x00, // mov rax, 1
0xc3 // ret
};
U8 return_2[] = {
0x48, 0xC7, 0xC0, 0x02, 0x00, 0x00, 0x00, // mov rax, 2
0xc3 // ret
};
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "return_0", ".text", str8_array_fixed(return_0), .flags = "rx:code@1" },
{ "return_1", ".text", str8_array_fixed(return_1), .flags = "rx:code@1" },
{ "return_2", ".text", str8_array_fixed(return_2), .flags = "rx:code@1" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_ExternFunc("return_1", "return_1", 0),
T_COFF_DefSymbol_ExternFunc("return_2", "return_2", 0),
{0}
}
}));
}
{
U8 return_0[] = {
0x48, 0xC7, 0xC0, 0x00, 0x00, 0x00, 0x00, // mov rax, 0
0xc3 // ret
};
U8 return_123[] = {
0x48, 0xC7, 0xC0, 0x7B, 0x00, 0x00, 0x00, // mov rax, 123
0xc3 // ret
};
U8 return_321[] = {
0x48, 0xC7, 0xC0, 0x41, 0x01, 0x00, 0x00, // mov rax, 321
0xc3 // ret
};
T_Ok(t_write_def_obj("b.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "return_0", ".text", str8_array_fixed(return_0), .flags = "rx:code@1" },
{ "return_123", ".text", str8_array_fixed(return_123), .flags = "rx:code@1" },
{ "return_321", ".text", str8_array_fixed(return_321), .flags = "rx:code@1" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_ExternFunc("return_123", "return_123", 0),
T_COFF_DefSymbol_ExternFunc("return_321", "return_321", 0),
{0}
}
}));
}
{
U8 text[] = {
0x56, // push rsi
0x57, // push rdi
0x48, 0x83, 0xEC, 0x28, // sub rsp,28h
0xE8, 0x00, 0x00, 0x00, 0x00, // call return_1
0x89, 0xC6, // mov esi,eax
0xE8, 0x00, 0x00, 0x00, 0x00, // call return_2
0x89, 0xC7, // mov edi,eax
0x01, 0xF7, // add edi,esi
0xE8, 0x00, 0x00, 0x00, 0x00, // call return_123
0x89, 0xC6, // mov esi,eax
0xE8, 0x00, 0x00, 0x00, 0x00, // call return_321
0x01, 0xF0, // add eax,esi
0x01, 0xF8, // add eax,edi
0x48, 0x83, 0xC4, 0x28, // add rsp,28h
0x5F, // pop rdi
0x5E, // pop rsi
0xC3, // ret
};
T_Ok(t_write_def_obj("main.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text", str8_array_fixed(text), .flags = "rx:code@1",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 7, "return_1"),
T_COFF_DefReloc(X64_Rel32, 14, "return_2"),
T_COFF_DefReloc(X64_Rel32, 23, "return_123"),
T_COFF_DefReloc(X64_Rel32, 30, "return_321"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("return_1"),
T_COFF_DefSymbol_Undef("return_2"),
T_COFF_DefSymbol_Undef("return_123"),
T_COFF_DefSymbol_Undef("return_321"),
{0}
}
}));
}
t_invoke_linkerf("/dll /implib:a.lib /export:return_1 /export:return_2 /rad_time_stamp:0x69EB0E28 a.obj libcmt.lib");
T_Ok(g_last_exit_code == 0);
t_invoke_linkerf("/dll /implib:b.lib /export:return_123 /export:return_321 /rad_time_stamp:0x69EB0E28 b.obj libcmt.lib");
T_Ok(g_last_exit_code == 0);
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /fixed /debug:full /rad_time_stamp:0x69EB0E28 main.obj a.lib b.lib kernel32.lib delayimp.lib libcmt.lib /delayload:a.dll /delayload:b.dll");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
PE_ParsedDelayImportTable delay_import_table = pe_delay_imports_from_data(arena, pe.is_pe32, pe.section_count, section_table, exe, pe.data_dir_franges[PE_DataDirectoryIndex_DELAY_IMPORT]);
PE_ParsedDelayDLLImport *a_import = &delay_import_table.v[0];
T_Ok(a_import->attributes == 1);
T_Ok(str8_match(a_import->name, str8_lit("a.dll"), 0));
T_Ok(a_import->module_handle_voff != 0);
T_Ok(a_import->name_table_voff != 0);
T_Ok(a_import->bound_table_voff != 0);
T_Ok(a_import->unload_table_voff != 0);
T_Ok(a_import->time_stamp == 0);
T_Ok(a_import->bound_table_count == 2);
T_Ok(a_import->unload_table_count == 2);
T_Ok(a_import->import_count == 2);
PE_ParsedImport *return_1 = &a_import->imports[0];
T_Ok(return_1->type == PE_ParsedImport_Name);
T_Ok(str8_match(return_1->u.name.string, str8_lit("return_1"), 0));
T_Ok(return_1->u.name.hint == 0);
PE_ParsedImport *return_2 = &a_import->imports[1];
T_Ok(return_2->type == PE_ParsedImport_Name);
T_Ok(str8_match(return_2->u.name.string, str8_lit("return_2"), 0));
T_Ok(return_2->u.name.hint == 1);
PE_ParsedDelayDLLImport *b_import = &delay_import_table.v[1];
T_Ok(b_import->attributes == 1);
T_Ok(str8_match(b_import->name, str8_lit("b.dll"), 0));
T_Ok(b_import->module_handle_voff != 0);
T_Ok(b_import->name_table_voff != 0);
T_Ok(b_import->bound_table_voff != 0);
T_Ok(b_import->unload_table_voff != 0);
T_Ok(b_import->time_stamp == 0);
T_Ok(b_import->bound_table_count == 2);
T_Ok(b_import->unload_table_count == 2);
T_Ok(b_import->import_count == 2);
PE_ParsedImport *return_123 = &b_import->imports[0];
T_Ok(return_123->type == PE_ParsedImport_Name);
T_Ok(str8_match(return_123->u.name.string, str8_lit("return_123"), 0));
T_Ok(return_123->u.name.hint == 0);
PE_ParsedImport *return_321 = &b_import->imports[1];
T_Ok(return_321->type == PE_ParsedImport_Name);
T_Ok(str8_match(return_321->u.name.string, str8_lit("return_321"), 0));
T_Ok(return_321->u.name.hint == 1);
}
TEST(delay_import_user32)
{
{
U64 msg_off = 0;
U64 caption_off = 5;
String8 str_payload = str8_lit_comp("test\0foo\0");
U8 text[] = {
0x48, 0x83, 0xEC, 0x28, // sub rsp,28h
0x45, 0x33, 0xC9, // xor r9d,r9d
0x4C, 0x8D, 0x05, 0x00, 0x00, 0x00, 0x00, // lea r8,[msg]
0x48, 0x8D, 0x15, 0x00, 0x00, 0x00, 0x00, // lea rdx,[caption]
0x33, 0xC9, // xor ecx,ecx
0xFF, 0x15, 0x00, 0x00, 0x00, 0x00, // call qword ptr [__imp_MessageBoxA]
0x33, 0xC0, // xor eax,eax
0x48, 0x83, 0xC4, 0x28, // add rsp,28h
0xC3, // ret
};
T_Ok(t_write_def_obj("delay_import.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "str", ".str", str_payload, .flags = "rw:data" },
{
"text", ".text", str8_array_fixed(text), .flags = "rx:code@1",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 10, "msg"),
T_COFF_DefReloc(X64_Rel32, 17, "caption"),
T_COFF_DefReloc(X64_Rel32, 25, "__imp_MessageBoxA"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("msg", "str", msg_off),
T_COFF_DefSymbol_Extern("caption", "str", caption_off),
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("__imp_MessageBoxA"),
{0}
}
}));
}
t_invoke_linkerf("/subsystem:console /out:a.exe /entry:entry /fixed /delayload:user32.dll kernel32.lib user32.lib libcmt.lib delayimp.lib delay_import.obj /debug:full");
T_Ok(g_last_exit_code == 0);
}
#endif
TEST(empty_section)
{
T_Ok(t_write_def_obj("empty_section.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "test", ".test", str8(0,0), .flags = "rx:code" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("TEST", "test", 0),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"
), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 3, "TEST"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("TEST"),
T_COFF_DefSymbol_Extern("entry", "text", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe empty_section.obj entry.obj");
T_Ok(g_last_exit_code != 0);
}
TEST(removed_section)
{
T_Ok(t_write_def_obj("test.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "test", ".test", str8_lit_comp("\xC3"), .flags = "rx:code", .raw_flags = COFF_SectionFlag_LnkRemove },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("TEST", "test", 0),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"
), // ret
.flags = "rx:code@1",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 3, "TEST"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("TEST"),
T_COFF_DefSymbol_Extern("entry", "text", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe test.obj entry.obj");
T_Ok(g_last_exit_code != 0);
}
TEST(function_pad_min)
{
T_Ok(t_write_def_obj("funcs.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "a", ".text", str8_lit_comp("\xC3"), .flags = "rx:code@4" },
{ "b", ".text", str8_lit_comp("\xC3"), .flags = "rx:code@4" },
{ "c", ".text", str8_lit_comp("\xC3"), .flags = "rx:code@1" },
{0},
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_ExternFunc("A", "a", 0),
T_COFF_DefSymbol_ExternFunc("B", "b", 0),
T_COFF_DefSymbol_ExternFunc("C", "c", 0),
{0},
}
}));
t_invoke_linkerf("/subsystem:console /entry:A /functionpadmin:1 /out:a.exe funcs.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_sect != 0);
String8 text_data = str8_substr(exe, rng_1u64(text_sect->foff, text_sect->foff + text_sect->vsize));
U8 expected_text[] = {
0xcc, 0xcc, 0xcc, 0xcc, 0xc3,
0xcc, 0xcc, 0xcc, 0xc3,
0xcc, 0xc3,
};
T_Ok(str8_match(text_data, str8_array_fixed(expected_text), 0));
}
TEST(first_member_header)
{
T_Ok(t_write_def_lib("test.lib", (T_COFF_DefLib){
.members = (T_COFF_DefLibMember[]){
{
.type = T_COFF_DefLibMember_Obj,
.obj = {
.path = str8_lit("obj.obj"),
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("8", 0x8),
T_COFF_DefSymbol_AbsExtern("1", 0x1),
T_COFF_DefSymbol_AbsExtern("9", 0x9),
T_COFF_DefSymbol_AbsExtern("7", 0x7),
T_COFF_DefSymbol_AbsExtern("4", 0x4),
T_COFF_DefSymbol_AbsExtern("5", 0x5),
T_COFF_DefSymbol_AbsExtern("2", 0x2),
T_COFF_DefSymbol_AbsExtern("3", 0x3),
T_COFF_DefSymbol_AbsExtern("6", 0x6),
{0}
}
}
},
{0}
}
}));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe test.lib entry.obj /include:1 /include:2 /include:3 /include:4 /include:5 /include:6 /include:7 /include:8 /include:9");
T_Ok(g_last_exit_code == 0);
}
TEST(second_member_header)
{
T_Ok(t_write_def_lib("test.lib", (T_COFF_DefLib){
.emit_second_member = 1,
.members = (T_COFF_DefLibMember[]){
{
.type = T_COFF_DefLibMember_Obj,
.obj = {
.path = str8_lit("obj.obj"),
.machine = T_COFF_DefSetMachine(X64),
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsExtern("8", 0x8),
T_COFF_DefSymbol_AbsExtern("1", 0x1),
T_COFF_DefSymbol_AbsExtern("9", 0x9),
T_COFF_DefSymbol_AbsExtern("7", 0x7),
T_COFF_DefSymbol_AbsExtern("4", 0x4),
T_COFF_DefSymbol_AbsExtern("5", 0x5),
T_COFF_DefSymbol_AbsExtern("2", 0x2),
T_COFF_DefSymbol_AbsExtern("3", 0x3),
T_COFF_DefSymbol_AbsExtern("6", 0x6),
{0}
}
}
},
{0}
}
}));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe test.lib entry.obj /include:1 /include:2 /include:3 /include:4 /include:5 /include:6 /include:7 /include:8 /include:9");
T_Ok(g_last_exit_code == 0);
}
TEST(defer_impl_link_to_second_search_pass)
{
T_Ok(t_write_def_obj("imp_ref.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\xc3"), .flags = "rx:code" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_ExternFunc("entry", "text", 0),
T_COFF_DefSymbol_Undef("__imp_foo"),
T_COFF_DefSymbol_Undef("func"),
{0}
}
}));
T_Ok(t_write_def_lib("impl_ref.lib", (T_COFF_DefLib){
.emit_second_member = 1,
.members = (T_COFF_DefLibMember[]){
{
.type = T_COFF_DefLibMember_Obj,
.obj = {
.path = str8_lit("impl_ref.obj"),
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\xc3"), .flags = "rx:code" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_ExternFunc("func", "text", 0),
T_COFF_DefSymbol_Undef("foo"),
{0}
}
}
},
{0}
}
}));
T_Ok(t_write_def_lib("foo.lib", (T_COFF_DefLib){
.emit_second_member = 1,
.members = (T_COFF_DefLibMember[]){
{
.type = T_COFF_DefLibMember_Import,
.import = {
"foo.dll", "foo", COFF_ImportBy_Name, COFF_ImportHeader_Code,
.hit_or_ordinal = 0,
.time_stamp = T_COFF_DefSetTimeStamp(~0u),
.machine = T_COFF_DefSetMachine(X64)
}
},
{0}
}
}));
T_Ok(t_write_def_lib("foo2.lib", (T_COFF_DefLib){
.emit_second_member = 1,
.members = (T_COFF_DefLibMember[]){
{
.type = T_COFF_DefLibMember_Import,
.import = {
"foo.dll", "foo", COFF_ImportBy_Name, COFF_ImportHeader_Code,
.hit_or_ordinal = 0,
.time_stamp = T_COFF_DefSetTimeStamp(~0u),
.machine = T_COFF_DefSetMachine(X64)
}
},
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe foo.lib foo2.lib imp_ref.obj impl_ref.lib");
T_Ok(g_last_exit_code == 0);
}
TEST(defer_duplicate_imp_link)
{
T_COFF_DefLib bar_lib_any = {
.members = (T_COFF_DefLibMember[]){
{
.type = T_COFF_DefLibMember_DllImportStatic,
.dll_import = { .name = "bar.dll" }
},
{
.type = T_COFF_DefLibMember_Import,
.import = { "bar.dll", "bar", COFF_ImportBy_Name, COFF_ImportHeader_Code, .hit_or_ordinal = 0 }
},
{
.type = T_COFF_DefLibMember_Obj,
.obj = {
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text", str8_lit_comp("\xff\x25\x00\x00\x00\x00"), .flags = "rx:code"
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("__imp_bar"),
T_COFF_DefSymbol_ExternFunc("qwe", "text", 0),
{0},
}
}
},
{0}
}
};
T_COFF_DefLib foo_lib_any = {
.members = (T_COFF_DefLibMember[]){
{
.type = T_COFF_DefLibMember_DllImportStatic,
.dll_import = { .name = "foo.dll" }
},
{
.type = T_COFF_DefLibMember_Import,
.import = { "foo.dll", "bar", COFF_ImportBy_Name, COFF_ImportHeader_Code, .hit_or_ordinal = 0 }
},
{
.type = T_COFF_DefLibMember_Obj,
.obj = {
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp("\xff\x25\x00\x00\x00\x00"),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 2, "bar"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("bar"),
T_COFF_DefSymbol_Undef("qwe"),
T_COFF_DefSymbol_ExternFunc("thunk", "text", 0),
{0},
}
}
},
{0}
}
};
String8 bar_lib = t_coff_from_def_lib(arena, bar_lib_any);
String8 foo_lib = t_coff_from_def_lib(arena, foo_lib_any);
T_Ok(t_write_file(str8_lit("bar.lib"), bar_lib));
T_Ok(t_write_file(str8_lit("foo.lib"), foo_lib));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe bar.lib foo.lib entry.obj /include:thunk");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
PE_ParsedStaticImportTable static_imptab = pe_static_imports_from_data(arena, pe.is_pe32, pe.section_count, section_table, exe, pe.data_dir_franges[PE_DataDirectoryIndex_IMPORT]);
COFF_SectionHeader *data_sect = coff_section_header_from_name(str8_zero(), section_table, pe.section_count, str8_lit(".data"));
T_Ok(static_imptab.count == 1);
PE_ParsedStaticDLLImport *dll = &static_imptab.v[0];
T_Ok(str8_match(dll->name, str8_lit("foo.dll"), StringMatchFlag_CaseInsensitive));
T_Ok(dll->import_count == 1);
PE_ParsedImport *imp = &dll->imports[0];
T_Ok(imp->type == PE_ParsedImport_Name);
T_Ok(str8_match(imp->u.name.string, str8_lit("bar"), 0));
U64 iat_foff = pe_foff_from_voff(exe, &pe, dll->import_address_table_voff);
U64 ilt_foff = pe_foff_from_voff(exe, &pe, dll->import_name_table_voff);
U64 bar_idx = 0;
U64 bar_iat_addr = 0;
U64 bar_ilt_addr = 0;
str8_deserial_read_struct(exe, iat_foff + bar_idx * sizeof(U64), &bar_iat_addr);
str8_deserial_read_struct(exe, ilt_foff + bar_idx * sizeof(U64), &bar_ilt_addr);
T_Ok(bar_iat_addr != 0);
T_Ok(bar_ilt_addr != 0);
T_Ok(bar_iat_addr == bar_ilt_addr);
T_Ok(data_sect->voff <= bar_iat_addr && bar_iat_addr < data_sect->voff + data_sect->vsize);
}
TEST(opt_ref_dangling_section)
{
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp(
"\x48\xC7\xC0\x00\x00\x00\x00" // mov rax, $imm
"\xC3"
), // ret
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "f"),
{0}
}
},
{0},
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("f"),
T_COFF_DefSymbol_Extern("entry", "text", 0),
{0}
}
}));
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"data", ".data", str8_lit_cstr("A0000"), .flags = "rw:data", .raw_flags = COFF_SectionFlag_LnkCOMDAT,
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 0, "q"),
{0}
}
},
{0},
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("q"),
T_COFF_DefSymbol_Secdef("data", COFF_ComdatSelect_Largest),
T_COFF_DefSymbol_Extern("f", "data", 0),
{0}
}
}));
T_Ok(t_write_def_lib("b.lib", (T_COFF_DefLib){
.emit_second_member = 1,
.members = (T_COFF_DefLibMember[]){
{
.type = T_COFF_DefLibMember_Obj,
.obj = {
.path = str8_lit("b.obj"),
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "q", ".q", str8_lit_comp("\x1\x2\x3\x4"), .flags = "rw:data" },
{
"data", ".data", str8_lit_cstr("BBBBBBBBBBBBBBB"),
.flags = "rw:data",
.raw_flags = COFF_SectionFlag_LnkCOMDAT
},
{0},
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("q", "q", 0),
T_COFF_DefSymbol_Secdef("data", COFF_ComdatSelect_Largest),
T_COFF_DefSymbol_Extern("f", "data", 0),
{0},
}
}
},
{0},
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj b.lib");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".q"));
T_Ok(sect != 0);
}
// TODO: relocations against undefined section symbols
#if 1
TEST(relocate_undefined_section_symbol)
{
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text", str8_lit_comp("\x48\xC7\xC0\x00\x00\x00\x00\xC3"), .flags = "rx:code@1",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 3, "caller"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("caller"),
{0}
}
}));
U64 target_count = 25;
String8 caller_data = str8(
push_array(arena, U8, target_count * 4), target_count * 4);
T_COFF_DefReloc *caller_relocs = push_array(arena, T_COFF_DefReloc, target_count + 1);
T_COFF_DefSymbol *caller_symbols = push_array(arena, T_COFF_DefSymbol, target_count + 3);
caller_symbols[0] = (T_COFF_DefSymbol)T_COFF_DefSymbol_Secdef("caller", COFF_ComdatSelect_Any);
caller_symbols[1] = (T_COFF_DefSymbol)T_COFF_DefSymbol_Extern("caller", "caller", 0);
String8List targets = {0};
for EachIndex(i, target_count) {
char *obj_name = (char *)str8f(arena, "target%u.obj", i).str;
char *target_name = (char *)str8f(arena, "target%u", i).str;
char *sect_name = (char *)str8f(arena, ".target%u", i).str;
T_Ok(t_write_def_obj(obj_name, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ target_name, sect_name, str8_cstring(target_name), .flags = "r:data@1", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef(target_name, COFF_ComdatSelect_Any),
T_COFF_DefSymbol_Extern(target_name, target_name, 0),
{0}
}
}));
caller_relocs[i] = (T_COFF_DefReloc)T_COFF_DefReloc(X64_Addr32Nb, i * 4, sect_name);
caller_symbols[i + 2] = (T_COFF_DefSymbol)T_COFF_DefSymbol_UndefSec(sect_name, COFF_SectionFlag_CntInitializedData|COFF_SectionFlag_MemRead);
str8_list_pushf(arena, &targets, obj_name);
}
T_Ok(t_write_def_obj("caller.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "caller", ".caller", caller_data, .flags = "rw:data@1", .raw_flags = COFF_SectionFlag_LnkCOMDAT, .relocs = caller_relocs},
{0}
},
.symbols = caller_symbols,
}));
String8 target_paths = str8_list_join(arena, &targets, &(StringJoin){.sep=str8_lit(" ")});
T_Ok(t_invoke_linkerf("/subsystem:console /entry:entry /opt:ref /out:a.exe entry.obj caller.obj %S", target_paths) && g_last_exit_code == 0);
String8 output = g_errors;
U64 match_count = 0;
while (output.size) {
if (t_match_line(&output, str8_lit("WARNING(*): *: relocation * in section *+* points to an undefined symbol *(*)"))) {
match_count += 1;
}
}
//T_Ok(match_count > 0);
}
#endif
#if 1
TEST(opt_ref_weak_alias_comdat)
{
T_Ok(t_write_def_obj("weak.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "target", ".target", str8_lit("target"), .flags = "r:data@1", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("target", COFF_ComdatSelect_Any),
T_COFF_DefSymbol_Extern("target", "target", 0),
T_COFF_DefSymbol_Weak("weak_target", COFF_WeakExt_SearchAlias, "target"),
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text", str8_lit_comp("\x48\xC7\xC0\x00\x00\x00\x00\xC3"), .flags = "rx:code@1",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32Nb, 3, "weak_target"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
T_COFF_DefSymbol_Undef("weak_target"),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /opt:ref /out:a.exe entry.obj weak.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *target_sect = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".target"));
T_Ok(target_sect != 0);
}
#endif
TEST(fail_if_mismatch)
{
T_Ok(t_write_entry_obj());
// ------------------------------------------------------------
// try linking two objs with mismatching directives
String8 a1 = t_make_obj_with_directive(arena, str8_lit("/FAILIFMISMATCH:a=1"));
String8 a2 = t_make_obj_with_directive(arena, str8_lit("/FAILIFMISMATCH:a=2"));
T_Ok(t_write_file(str8_lit("a1.obj"), a1));
T_Ok(t_write_file(str8_lit("a2.obj"), a2));
t_invoke_linkerf("entry.obj a1.obj a2.obj /entry:entry /subsystem:console /out:a2.exe");
if (t_id_linker() == T_Linker_RAD) T_Ok(g_last_exit_code == LNK_Error_FailIfMismatch);
else T_Ok(g_last_exit_code != 0);
// ------------------------------------------------------------
// happy case
T_Ok(t_write_file(str8_lit("a1_copy.obj"), a1));
t_invoke_linkerf("entry.obj a1.obj a1_copy.obj /entry:entry /subsystem:console /out:a1.exe");
T_Ok(g_last_exit_code == 0);
// ------------------------------------------------------------
// test conflicting directives in obj
String8 conf_dirs = t_make_obj_with_directive(arena, str8_lit("/FAILIFMISMATCH:a=1 /FAILIFMISMATCH:a=2"));
T_Ok(t_write_file(str8_lit("conf_dirs.obj"), conf_dirs));
t_invoke_linkerf("entry.obj conf_dirs.obj /entry:entry /subsystem:console /out:conf_dirs.exe");
if (t_id_linker() == T_Linker_RAD) T_Ok(g_last_exit_code == LNK_Error_FailIfMismatch);
else T_Ok(g_last_exit_code != 0);
// ------------------------------------------------------------
// passing switch on command line
t_invoke_linkerf("entry.obj a1.obj /FAILIFMISMATCH:a=2 /out:cmddir.exe");
if (t_id_linker() == T_Linker_RAD) T_Ok(g_last_exit_code == LNK_Error_FailIfMismatch);
else T_Ok(g_last_exit_code != 0);
}
TEST(long_section_name)
{
Arch arch = Arch_x64;
T_Ok(t_write_def_obj("test.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\xC3"), .flags = "rx:code" },
{ "debug_info", ".debug_info", str8_lit("DEBUG_INFO"), .flags = "rw:data" },
{ "debug_abbrev", ".debug_abbrev", str8_lit("DEBUG_ABBREV"), .flags = "rw:data" },
{0},
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
{0}
}
}));
// link test.obj
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe test.obj");
T_Ok(g_last_exit_code == 0);
// load linked exe
String8 exe = t_read_file(arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *debug_info = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".debug_info"));
T_Ok(debug_info);
COFF_SectionHeader *debug_abbrev = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".debug_abbrev"));
T_Ok(debug_abbrev);
}
TEST(debug_p_sig_mismatch)
{
String8 a_obj_name = str8_lit("a.obj");
String8 b_obj_name = str8_lit("b.obj");
U32 a_sig = 0xCAFEBABE;
U32 b_sig = 0xDEADBEEF;
String8 a_debug_s;
{
String8List srl;
str8_serial_begin(arena, &srl);
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(arena, &srl, &sig);
CV_C13SubSectionHeader *ss_header = str8_serial_push_size(arena, &srl, sizeof(*ss_header));
U64 ss_start_off = srl.total_size;
CV_SymObjName obj_name = {0};
obj_name.sig = a_sig;
String8 obj_name_string = a_obj_name;
str8_serial_push_u16(arena, &srl, sizeof(CV_SymKind) + sizeof(obj_name) + obj_name_string.size + 1);
str8_serial_push_u16(arena, &srl, CV_SymKind_OBJNAME);
str8_serial_push_struct(arena, &srl, &obj_name);
str8_serial_push_cstr(arena, &srl, obj_name_string);
str8_serial_push_align(arena, &srl, CV_SymbolAlign);
String8 comp3_data = cv_make_comp3(arena,
0,
CV_Language_C,
CV_Arch_X64,
/* ver_fe_major */ 0,
/* ver_fe_minor */ 0,
/* ver_fe_build */ 0,
/* ver_feqfe */ 0,
/* ver_major */ 14,
/* ver_minor */ 36,
/* ver_build */ 32537,
/* ver_qfe */ 0,
str8_lit(BUILD_TITLE));
str8_serial_push_u16(arena, &srl, sizeof(CV_SymKind) + comp3_data.size);
str8_serial_push_u16(arena, &srl, CV_SymKind_COMPILE3);
str8_serial_push_string(arena, &srl, comp3_data);
str8_serial_push_align(arena, &srl, CV_SymbolAlign);
ss_header->kind = CV_C13SubSectionKind_Symbols;
ss_header->size = srl.total_size - ss_start_off;
str8_serial_push_align(arena, &srl, CV_C13SubSectionAlign);
a_debug_s = str8_serial_end(arena, &srl);
}
String8 a_debug_p;
{
String8List srl;
str8_serial_begin(arena, &srl);
// signature
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(arena, &srl, &sig);
// duplicate in a.obj
CV_LeafPointer ptr = { .itype = CV_BasicType_VOID };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(ptr));
str8_serial_push_u16(arena, &srl, CV_LeafKind_POINTER);
str8_serial_push_struct(arena, &srl, &ptr);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
// unique procedure type
CV_LeafProcedure proc = { .ret_itype = 0x1000, .call_kind = CV_CallKind_NearPascal };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(proc));
str8_serial_push_u16(arena, &srl, CV_LeafKind_PROCEDURE);
str8_serial_push_struct(arena, &srl, &proc);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
// PCH ender
CV_LeafEndPreComp endprecomp = { .sig = a_sig };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(endprecomp));
str8_serial_push_u16(arena, &srl, CV_LeafKind_ENDPRECOMP);
str8_serial_push_struct(arena, &srl, &endprecomp);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
a_debug_p = str8_serial_end(arena, &srl);
}
String8 b_debug_s;
{
String8List srl;
str8_serial_begin(arena, &srl);
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(arena, &srl, &sig);
CV_C13SubSectionHeader *ss_header = str8_serial_push_size(arena, &srl, sizeof(*ss_header));
U64 ss_start_off = srl.total_size;
CV_SymObjName obj_name = {0};
obj_name.sig = b_sig;
String8 obj_name_string = a_obj_name;
str8_serial_push_u16(arena, &srl, sizeof(CV_SymKind) + sizeof(obj_name) + obj_name_string.size + 1);
str8_serial_push_u16(arena, &srl, CV_SymKind_OBJNAME);
str8_serial_push_struct(arena, &srl, &obj_name);
str8_serial_push_cstr(arena, &srl, obj_name_string);
str8_serial_push_align(arena, &srl, CV_SymbolAlign);
String8 comp3_data = cv_make_comp3(arena,
0,
CV_Language_C,
CV_Arch_X64,
/* ver_fe_major */ 0,
/* ver_fe_minor */ 0,
/* ver_fe_build */ 0,
/* ver_feqfe */ 0,
/* ver_major */ 14,
/* ver_minor */ 36,
/* ver_build */ 32537,
/* ver_qfe */ 0,
str8_lit(BUILD_TITLE));
str8_serial_push_u16(arena, &srl, sizeof(CV_SymKind) + comp3_data.size);
str8_serial_push_u16(arena, &srl, CV_SymKind_COMPILE3);
str8_serial_push_string(arena, &srl, comp3_data);
str8_serial_push_align(arena, &srl, CV_SymbolAlign);
ss_header->kind = CV_C13SubSectionKind_Symbols;
ss_header->size = srl.total_size - ss_start_off;
str8_serial_push_align(arena, &srl, CV_C13SubSectionAlign);
b_debug_s = str8_serial_end(arena, &srl);
}
String8 b_debug_t;
{
String8List srl;
str8_serial_begin(arena, &srl);
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(arena, &srl, &sig);
CV_LeafPreComp precomp = { .start_index = CV_MinComplexTypeIndex, .count = 2, sig = b_sig };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(precomp) + a_obj_name.size + 1);
str8_serial_push_u16(arena, &srl, CV_LeafKind_PRECOMP);
str8_serial_push_struct(arena, &srl, &precomp);
str8_serial_push_cstr(arena, &srl, a_obj_name);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
CV_LeafPointer ptr = { .itype = CV_BasicType_VOID };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(CV_LeafPointer));
str8_serial_push_u16(arena, &srl, CV_LeafKind_POINTER);
str8_serial_push_struct(arena, &srl, &ptr);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
CV_LeafProcedure proc = { .ret_itype = 0x1000, .call_kind = CV_CallKind_NearC };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(CV_LeafProcedure));
str8_serial_push_u16(arena, &srl, CV_LeafKind_PROCEDURE);
str8_serial_push_struct(arena, &srl, &proc);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
b_debug_t = str8_serial_end(arena, &srl);
}
String8 a_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_p", ".debug$P", a_debug_p, .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{ "debug_s", ".debug$S", a_debug_s, .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
});
String8 b_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_t", ".debug$T", b_debug_t, .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{ "debug_s", ".debug$S", b_debug_s, .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
});
T_Ok(t_write_file(str8_lit("a.obj"), a_obj));
T_Ok(t_write_file(str8_lit("b.obj"), b_obj));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /debug:full a.obj b.obj entry.obj");
T_Ok(g_last_exit_code == 0);
B32 found_error = 0;
String8 a_obj_path = t_make_file_path(arena, str8_lit("a.obj"));
String8 b_obj_path = t_make_file_path(arena, str8_lit("b.obj"));
String8 expected_line = str8f(arena, "Error(%03d): %S: PCH signature mismatch, expected 0x%x got 0x%x; PCH obj %S", LNK_Error_PrecompSigMismatch, b_obj_path, b_sig, a_sig, a_obj_path);
String8 output = g_errors;
while (output.size) {
String8 line = t_chop_line(&output);
found_error = str8_match(line, expected_line, StringMatchFlag_CaseInsensitive|StringMatchFlag_SlashInsensitive);
if (found_error) { break; }
}
T_Ok(found_error);
}
TEST(debug_p_and_debug_t_in_obj)
{
U32 pch_sig = 0xCAFEBABE;
String8 pch_obj_name = str8_lit("pch.obj");
String8 pch_debug_s;
{
String8List srl;
str8_serial_begin(arena, &srl);
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(arena, &srl, &sig);
CV_C13SubSectionHeader *ss_header = str8_serial_push_size(arena, &srl, sizeof(*ss_header));
U64 ss_start_off = srl.total_size;
CV_SymObjName obj_name = {0};
obj_name.sig = pch_sig;
String8 obj_name_string = pch_obj_name;
str8_serial_push_u16(arena, &srl, sizeof(CV_SymKind) + sizeof(obj_name) + obj_name_string.size + 1);
str8_serial_push_u16(arena, &srl, CV_SymKind_OBJNAME);
str8_serial_push_struct(arena, &srl, &obj_name);
str8_serial_push_cstr(arena, &srl, obj_name_string);
str8_serial_push_align(arena, &srl, CV_SymbolAlign);
ss_header->kind = CV_C13SubSectionKind_Symbols;
ss_header->size = srl.total_size - ss_start_off;
str8_serial_push_align(arena, &srl, CV_C13SubSectionAlign);
pch_debug_s = str8_serial_end(arena, &srl);
}
String8 pch_debug_p;
{
String8List srl;
str8_serial_begin(arena, &srl);
// signature
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(arena, &srl, &sig);
CV_LeafPointer ptr = { .itype = CV_BasicType_VOID };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(ptr));
str8_serial_push_u16(arena, &srl, CV_LeafKind_POINTER);
str8_serial_push_struct(arena, &srl, &ptr);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
// PCH ender
CV_LeafEndPreComp endprecomp = { .sig = pch_sig };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(endprecomp));
str8_serial_push_u16(arena, &srl, CV_LeafKind_ENDPRECOMP);
str8_serial_push_struct(arena, &srl, &endprecomp);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
pch_debug_p = str8_serial_end(arena, &srl);
}
String8 pch_debug_t;
{
String8List srl;
str8_serial_begin(arena, &srl);
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(arena, &srl, &sig);
CV_LeafPreComp precomp = { .start_index = CV_MinComplexTypeIndex, .count = 1, sig = pch_sig };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(precomp) + pch_obj_name.size + 1);
str8_serial_push_u16(arena, &srl, CV_LeafKind_PRECOMP);
str8_serial_push_struct(arena, &srl, &precomp);
str8_serial_push_cstr(arena, &srl, pch_obj_name);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
CV_LeafPointer ptr = { .itype = CV_BasicType_VOID };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(CV_LeafPointer));
str8_serial_push_u16(arena, &srl, CV_LeafKind_POINTER);
str8_serial_push_struct(arena, &srl, &ptr);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
CV_LeafProcedure proc = { .ret_itype = 0x1000, .call_kind = CV_CallKind_NearC };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(CV_LeafProcedure));
str8_serial_push_u16(arena, &srl, CV_LeafKind_PROCEDURE);
str8_serial_push_struct(arena, &srl, &proc);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
pch_debug_t = str8_serial_end(arena, &srl);
}
T_Ok(t_write_def_obj("pch.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_p", ".debug$P", pch_debug_p, .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{ "debug_t", ".debug$T", pch_debug_t, .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{ "debug_s", ".debug$S", pch_debug_s, .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
}));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /debug:full pch.obj entry.obj");
T_Ok(g_last_exit_code == 0);
String8 output = g_errors;
B32 found_warning = 0;
String8 pch_obj_path = t_make_file_path(arena, str8_lit("pch.obj"));
String8 expected_line = str8f(arena, "Warning(%03d): %S: multiple sections with debug types detected, obj must have either .debug$T or .debug$P; discarding both sections", LNK_Warning_MultipleDebugTAndDebugP, pch_obj_path);
while (output.size) {
String8 line = t_chop_line(&output);
found_warning = str8_match(line, expected_line, StringMatchFlag_CaseInsensitive|StringMatchFlag_SlashInsensitive);
if (found_warning) { break; }
}
T_Ok(found_warning);
}
TEST(merge_duplicate_types)
{
{
U32 pch_sig = 0xCAFEBABE;
String8 pch_obj_name = str8_lit("pch.obj");
String8 a_obj_name = str8_lit("a.obj");
String8 c_obj_name = str8_lit("c.obj");
String8 pch_debug_s;
{
String8List srl;
str8_serial_begin(arena, &srl);
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(arena, &srl, &sig);
CV_C13SubSectionHeader *ss_header = str8_serial_push_size(arena, &srl, sizeof(*ss_header));
U64 ss_start_off = srl.total_size;
CV_SymObjName obj_name = {0};
obj_name.sig = pch_sig;
String8 obj_name_string = pch_obj_name;
str8_serial_push_u16(arena, &srl, sizeof(CV_SymKind) + sizeof(obj_name) + obj_name_string.size + 1);
str8_serial_push_u16(arena, &srl, CV_SymKind_OBJNAME);
str8_serial_push_struct(arena, &srl, &obj_name);
str8_serial_push_cstr(arena, &srl, obj_name_string);
str8_serial_push_align(arena, &srl, CV_SymbolAlign);
String8 comp3_data = cv_make_comp3(arena,
0,
CV_Language_C,
CV_Arch_X64,
/* ver_fe_major */ 0,
/* ver_fe_minor */ 0,
/* ver_fe_build */ 0,
/* ver_feqfe */ 0,
/* ver_major */ 14,
/* ver_minor */ 36,
/* ver_build */ 32537,
/* ver_qfe */ 0,
str8_lit(BUILD_TITLE));
str8_serial_push_u16(arena, &srl, sizeof(CV_SymKind) + comp3_data.size);
str8_serial_push_u16(arena, &srl, CV_SymKind_COMPILE3);
str8_serial_push_string(arena, &srl, comp3_data);
str8_serial_push_align(arena, &srl, CV_SymbolAlign);
ss_header->kind = CV_C13SubSectionKind_Symbols;
ss_header->size = srl.total_size - ss_start_off;
str8_serial_push_align(arena, &srl, CV_C13SubSectionAlign);
pch_debug_s = str8_serial_end(arena, &srl);
}
String8 debug_p;
{
String8List srl;
str8_serial_begin(arena, &srl);
// signature
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(arena, &srl, &sig);
// duplicate in a.obj
CV_LeafPointer ptr = { .itype = CV_BasicType_VOID };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(ptr));
str8_serial_push_u16(arena, &srl, CV_LeafKind_POINTER);
str8_serial_push_struct(arena, &srl, &ptr);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
// unique procedure type
CV_LeafProcedure proc = { .ret_itype = 0x1000, .call_kind = CV_CallKind_NearPascal };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(proc));
str8_serial_push_u16(arena, &srl, CV_LeafKind_PROCEDURE);
str8_serial_push_struct(arena, &srl, &proc);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
// PCH ender
CV_LeafEndPreComp endprecomp = { .sig = pch_sig };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(endprecomp));
str8_serial_push_u16(arena, &srl, CV_LeafKind_ENDPRECOMP);
str8_serial_push_struct(arena, &srl, &endprecomp);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
debug_p = str8_serial_end(arena, &srl);
}
String8 a_debug_s;
{
String8List srl;
str8_serial_begin(arena, &srl);
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(arena, &srl, &sig);
CV_C13SubSectionHeader *ss_header = str8_serial_push_size(arena, &srl, sizeof(*ss_header));
U64 ss_start_off = srl.total_size;
CV_SymObjName obj_name = {0};
obj_name.sig = pch_sig;
String8 obj_name_string = a_obj_name;
str8_serial_push_u16(arena, &srl, sizeof(CV_SymKind) + sizeof(obj_name) + obj_name_string.size + 1);
str8_serial_push_u16(arena, &srl, CV_SymKind_OBJNAME);
str8_serial_push_struct(arena, &srl, &obj_name);
str8_serial_push_cstr(arena, &srl, obj_name_string);
str8_serial_push_align(arena, &srl, CV_SymbolAlign);
String8 comp3_data = cv_make_comp3(arena,
0,
CV_Language_C,
CV_Arch_X64,
/* ver_fe_major */ 0,
/* ver_fe_minor */ 0,
/* ver_fe_build */ 0,
/* ver_feqfe */ 0,
/* ver_major */ 14,
/* ver_minor */ 36,
/* ver_build */ 32537,
/* ver_qfe */ 0,
str8_lit(BUILD_TITLE));
str8_serial_push_u16(arena, &srl, sizeof(CV_SymKind) + comp3_data.size);
str8_serial_push_u16(arena, &srl, CV_SymKind_COMPILE3);
str8_serial_push_string(arena, &srl, comp3_data);
str8_serial_push_align(arena, &srl, CV_SymbolAlign);
ss_header->kind = CV_C13SubSectionKind_Symbols;
ss_header->size = srl.total_size - ss_start_off;
str8_serial_push_align(arena, &srl, CV_C13SubSectionAlign);
a_debug_s = str8_serial_end(arena, &srl);
}
String8 debug_t;
{
String8List srl;
str8_serial_begin(arena, &srl);
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(arena, &srl, &sig);
CV_LeafPreComp precomp = { .start_index = CV_MinComplexTypeIndex, .count = 2, sig = pch_sig };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(precomp) + pch_obj_name.size + 1);
str8_serial_push_u16(arena, &srl, CV_LeafKind_PRECOMP);
str8_serial_push_struct(arena, &srl, &precomp);
str8_serial_push_cstr(arena, &srl, pch_obj_name);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
CV_LeafPointer ptr = { .itype = CV_BasicType_VOID };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(CV_LeafPointer));
str8_serial_push_u16(arena, &srl, CV_LeafKind_POINTER);
str8_serial_push_struct(arena, &srl, &ptr);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
CV_LeafProcedure proc = { .ret_itype = 0x1000, .call_kind = CV_CallKind_NearC };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(CV_LeafProcedure));
str8_serial_push_u16(arena, &srl, CV_LeafKind_PROCEDURE);
str8_serial_push_struct(arena, &srl, &proc);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
debug_t = str8_serial_end(arena, &srl);
}
String8 c_debug_t;
{
String8List srl;
str8_serial_begin(arena, &srl);
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(arena, &srl, &sig);
CV_LeafPointer ptr = { .itype = CV_BasicType_SHORT };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(CV_LeafPointer));
str8_serial_push_u16(arena, &srl, CV_LeafKind_POINTER);
str8_serial_push_struct(arena, &srl, &ptr);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
CV_LeafProcedure proc = { .ret_itype = 0x1000, .call_kind = CV_CallKind_NearC };
str8_serial_push_u16(arena, &srl, sizeof(CV_LeafKind) + sizeof(CV_LeafProcedure));
str8_serial_push_u16(arena, &srl, CV_LeafKind_PROCEDURE);
str8_serial_push_struct(arena, &srl, &proc);
str8_serial_push_align(arena, &srl, CV_LeafAlign);
c_debug_t = str8_serial_end(arena, &srl);
}
String8 c_debug_s;
{
String8List srl;
str8_serial_begin(arena, &srl);
CV_Signature sig = CV_Signature_C13;
str8_serial_push_struct(arena, &srl, &sig);
CV_C13SubSectionHeader *ss_header = str8_serial_push_size(arena, &srl, sizeof(*ss_header));
U64 ss_start_off = srl.total_size;
// S_OBJNAME
CV_SymObjName obj_name = {0};
obj_name.sig = pch_sig;
String8 obj_name_string = c_obj_name;
str8_serial_push_u16(arena, &srl, sizeof(CV_SymKind) + sizeof(obj_name) + obj_name_string.size + 1);
str8_serial_push_u16(arena, &srl, CV_SymKind_OBJNAME);
str8_serial_push_struct(arena, &srl, &obj_name);
str8_serial_push_cstr(arena, &srl, obj_name_string);
str8_serial_push_align(arena, &srl, CV_SymbolAlign);
// S_COMPILE3
String8 comp3_data = cv_make_comp3(arena,
0,
CV_Language_C,
CV_Arch_X64,
/* ver_fe_major */ 0,
/* ver_fe_minor */ 0,
/* ver_fe_build */ 0,
/* ver_feqfe */ 0,
/* ver_major */ 14,
/* ver_minor */ 36,
/* ver_build */ 32537,
/* ver_qfe */ 0,
str8_lit(BUILD_TITLE));
str8_serial_push_u16(arena, &srl, sizeof(CV_SymKind) + comp3_data.size);
str8_serial_push_u16(arena, &srl, CV_SymKind_COMPILE3);
str8_serial_push_string(arena, &srl, comp3_data);
str8_serial_push_align(arena, &srl, CV_SymbolAlign);
// S_LPROC32
U16 *foo_size = str8_serial_push_size(arena, &srl, sizeof(*foo_size));
U64 foo_off = srl.total_size;
str8_serial_push_u16(arena, &srl, CV_SymKind_LPROC32);
CV_SymProc32 *foo_proc = str8_serial_push_size(arena, &srl, sizeof(*foo_proc));
foo_proc->itype = 0x1001;
foo_proc->sec = 1;
foo_proc->len = 1;
str8_serial_push_cstr(arena, &srl, str8_lit("foo"));
str8_serial_push_align(arena, &srl, CV_SymbolAlign);
*foo_size = srl.total_size - foo_off;
// S_PROC_ID_END
str8_serial_push_u16(arena, &srl, 2);
str8_serial_push_u16(arena, &srl, CV_SymKind_END);
str8_serial_push_align(arena, &srl, CV_SymbolAlign);
// $$Symbols header
ss_header->kind = CV_C13SubSectionKind_Symbols;
ss_header->size = srl.total_size - ss_start_off;
str8_serial_push_align(arena, &srl, CV_C13SubSectionAlign);
c_debug_s = str8_serial_end(arena, &srl);
}
String8 pch_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_p", ".debug$P", debug_p, .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{ "debug_s", ".debug$S", pch_debug_s, .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
});
String8 a_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_t", ".debug$T", debug_t, .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{ "debug_s", ".debug$S", a_debug_s, .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
});
String8 b_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_t", ".debug$T", debug_t, .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
});
String8 c_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp(""), .flags = "rx:code" },
{ "debug_t", ".debug$T", c_debug_t, .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{ "debug_s", ".debug$S", c_debug_s, .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
});
String8 entry_obj = t_make_entry_obj(arena);
T_Ok(t_write_file(str8_lit("entry.obj"), entry_obj));
T_Ok(t_write_file(str8_lit("pch.obj"), pch_obj));
T_Ok(t_write_file(str8_lit("a.obj"), a_obj));
T_Ok(t_write_file(str8_lit("b.obj"), b_obj));
T_Ok(t_write_file(str8_lit("c.obj"), c_obj));
t_invoke_linkerf("/subsystem:console /entry:entry /debug:full /out:a.exe pch.obj a.obj b.obj c.obj entry.obj");
T_Ok(g_last_exit_code == 0);
}
// load msf
String8 pdb = t_read_file(arena, str8_lit("a.pdb"));
MSF_Parsed *msf = msf_parsed_from_data(arena, pdb);
// find named streams
String8 info_data = msf_data_from_stream(msf, PDB_FixedStream_Info);
PDB_Info *pdb_info = pdb_info_from_data(arena, info_data);
PDB_NamedStreamTable *named_streams = pdb_named_stream_table_from_info(arena, pdb_info);
// find string table
MSF_StreamNumber strtbl_sn = named_streams->sn[PDB_NamedStream_StringTable];
String8 strtbl_data = msf_data_from_stream(msf, strtbl_sn);
PDB_Strtbl *strtbl = pdb_strtbl_from_data(arena, strtbl_data);
// find TPI
String8 tpi_data = msf_data_from_stream(msf, PDB_FixedStream_Tpi);
PDB_TpiParsed *tpi = pdb_tpi_from_data(arena, tpi_data);
U64 type_count = tpi->itype_opl - tpi->itype_first;
T_Ok(type_count == 5);
CV_DebugT debug_t = cv_debug_t_from_data(arena, pdb_leaf_data_from_tpi(tpi), 4);
T_Ok(debug_t.count == type_count);
{
CV_Leaf ptr_leaf = cv_debug_t_get_leaf(&debug_t, 0);
T_Ok(ptr_leaf.kind == CV_LeafKind_POINTER);
T_Ok(ptr_leaf.data.size == sizeof(CV_LeafPointer));
CV_LeafPointer *ptr = (CV_LeafPointer *)ptr_leaf.data.str;
T_Ok(ptr->itype == CV_BasicType_VOID);
T_Ok(ptr->attribs == 0);
}
{
CV_Leaf proc_leaf = cv_debug_t_get_leaf(&debug_t, 1);
T_Ok(proc_leaf.kind == CV_LeafKind_PROCEDURE);
T_Ok(proc_leaf.data.size == sizeof(CV_LeafProcedure));
CV_LeafProcedure *proc = (CV_LeafProcedure *)proc_leaf.data.str;
T_Ok(proc->ret_itype == 0x1000);
T_Ok(proc->call_kind == CV_CallKind_NearPascal);
}
{
CV_Leaf proc_leaf = cv_debug_t_get_leaf(&debug_t, 2);
T_Ok(proc_leaf.kind == CV_LeafKind_PROCEDURE);
T_Ok(proc_leaf.data.size == sizeof(CV_LeafProcedure));
CV_LeafProcedure *proc = (CV_LeafProcedure *)proc_leaf.data.str;
T_Ok(proc->ret_itype == 0x1000);
T_Ok(proc->call_kind == CV_CallKind_NearC);
}
{
CV_Leaf ptr_leaf = cv_debug_t_get_leaf(&debug_t, 3);
T_Ok(ptr_leaf.kind == CV_LeafKind_POINTER);
T_Ok(ptr_leaf.data.size == sizeof(CV_LeafPointer));
CV_LeafPointer *ptr = (CV_LeafPointer *)ptr_leaf.data.str;
T_Ok(ptr->itype == CV_BasicType_SHORT);
T_Ok(ptr->attribs == 0);
}
{
CV_Leaf proc_leaf = cv_debug_t_get_leaf(&debug_t, 4);
T_Ok(proc_leaf.kind == CV_LeafKind_PROCEDURE);
T_Ok(proc_leaf.data.size == sizeof(CV_LeafProcedure));
CV_LeafProcedure *proc = (CV_LeafProcedure *)proc_leaf.data.str;
T_Ok(proc->ret_itype == 0x1003);
T_Ok(proc->call_kind == CV_CallKind_NearC);
}
}
TEST(cyclic_type)
{
String8List *debug_t = push_array(arena, String8List, 1);
str8_serial_begin(arena, debug_t);
str8_serial_push_u32(arena, debug_t, CV_Signature_C13);
str8_serial_push_string(arena, debug_t, cv_make_leaf(arena, CV_LeafKind_POINTER, str8_struct((&(CV_LeafPointer){ .itype = 0x1001 })), CV_LeafAlign));
str8_serial_push_string(arena, debug_t, cv_make_leaf(arena, CV_LeafKind_POINTER, str8_struct((&(CV_LeafPointer){ .itype = 0x1000 })), CV_LeafAlign));
CV_DebugS debug_s = {0};
str8_list_push(arena, &debug_s.data_list[CV_C13SubSectionIdxKind_Symbols], cv_make_symbol(arena, CV_SymKind_GPROC32, cv_make_proc32(arena, (CV_SymProc32){ .itype = 0x1001 }, str8_lit("foo"))));
String8List debug_s_string = cv_data_from_debug_s_c13(arena, &debug_s, 1);
String8 raw_coff = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_t", ".debug$T", str8_serial_end(arena, debug_t), .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{ "debug_s", ".debug$S", str8_list_join(arena, &debug_s_string, 0), .flags = "r:data@1", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
});
T_Ok(t_write_entry_obj());
T_Ok(t_write_file(str8_lit("cycle.obj"), raw_coff));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /debug:full /rad_ignore:-%u cycle.obj entry.obj", LNK_Error_InvalidTypeIndex);
T_Ok(g_last_exit_code == 0);
String8 output = g_errors;
B32 is_cycle_detected = 0;
while (output.size && !is_cycle_detected) {
is_cycle_detected = t_match_linef(&output,
"Error(043): %S: LF_POINTER(type_index: 0x1000) forward refs member type index 0x1001 (leaf struct offset: 0x0)",
t_make_file_path(arena, str8_lit("cycle.obj")));
t_chop_line(&output);
}
T_Ok(is_cycle_detected);
}
TEST(get_msf_stream_pages)
{
MSF_Context *msf = msf_alloc(MSF_DEFAULT_PAGE_SIZE, MSF_DEFAULT_FPM);
{
U64 stream_size = MB(150) + 1;
MSF_StreamNumber sn = msf_stream_alloc_ex(msf, stream_size);
U8 *test = push_array(arena, U8, stream_size);
MemorySet(test, 0xca, stream_size/2);
MemorySet(test + stream_size/2, 0xbe, stream_size/2);
String8List stream_data = msf_data_from_sn(arena, msf, sn);
T_Ok(stream_data.total_size == stream_size);
T_Ok(stream_data.node_count == 12);
String8Array a = str8_array_from_list(arena, &stream_data);
T_Ok(a.v[0].size == 0xffd000);
T_Ok(a.v[1].size == 0xffe000);
T_Ok(a.v[2].size == 0xffe000);
T_Ok(a.v[3].size == 0xffe000);
T_Ok(a.v[4].size == 0xffe000);
T_Ok(a.v[5].size == 0xffe000);
T_Ok(a.v[6].size == 0xffe000);
T_Ok(a.v[7].size == 0xffd000);
T_Ok(a.v[8].size == 0x1000);
T_Ok(a.v[9].size == 0xffe000);
T_Ok(a.v[10].size == 0x613000);
T_Ok(a.v[11].size == 1);
String8Node buf = *stream_data.first;
U64 buf_pos = 0;
str8_buffer_write(&buf, &buf_pos, str8(test, stream_size));
String8 cmp = msf_stream_read_block(arena, msf, sn, stream_size);
T_Ok(cmp.size == stream_size);
T_Ok(MemoryCompare(cmp.str, test, stream_size) == 0);
}
{
MSF_StreamNumber sn = msf_stream_alloc_ex(msf, 1);
String8List stream_data = msf_data_from_sn(arena, msf, sn);
T_Ok(stream_data.node_count == 1);
T_Ok(stream_data.total_size == 1);
T_Ok(stream_data.first->string.size == 1);
}
msf_release(msf);
}
internal String8
data_from_pdb(Arena *arena, PDB_Context *pdb)
{
TP_Context *tp = tp_alloc(arena, 1, 1, str8_lit("foo"));
TP_Arena *tp_arena = tp_arena_alloc(tp);
pdb_build(tp, tp_arena, pdb, (CV_StringHashTable){0}, 1, 0);
AssertAlways(msf_build(pdb->msf) == MSF_Error_OK);
String8List raw_msf_list = msf_get_page_data_nodes(arena, pdb->msf);
AssertAlways(t_write_file_list(str8_lit("test.pdb"), raw_msf_list));
String8 data = str8_list_join(arena, &raw_msf_list, 0);
tp_arena_release(&tp_arena);
tp_release(tp);
return data;
}
TEST(validate_info_stream)
{
COFF_TimeStamp time_stamp = 123;
U32 age = 1;
Guid guid = { .data1 = max_U32, .data2 = max_U16 - 1, .data3 = max_U16 - 2, .data4 = { 1, 2, 3, 4, 5, 6, 7, 8 } };
PDB_Context *pdb = pdb_alloc(MSF_DEFAULT_PAGE_SIZE, COFF_MachineType_X64, time_stamp, age, guid);
char *stream_names[] = { "one", "two", "three", "four", "five" };
MSF_StreamNumber stream_numbers[ArrayCount(stream_names)] = {0};
for EachElement(i, stream_names) {
stream_numbers[i] = pdb_push_named_stream(&pdb->info->named_stream_ht, pdb->msf, str8_cstring(stream_names[i]));
T_Ok(stream_numbers[i] != MSF_INVALID_STREAM_NUMBER);
}
String8 raw_msf = data_from_pdb(arena, pdb);
MSF_Parsed *msf_parsed = msf_parsed_from_data(arena, raw_msf);
String8 info_data = msf_data_from_stream(msf_parsed, PDB_FixedStream_Info);
#if 0
fprintf(stderr, "\n");
for EachIndex(i, info_data.size) {
fprintf(stderr, "0x%02x, ", info_data.str[i]);
if (i % 19 == 18 && i > 0) { fprintf(stderr, "\n"); }
}
#endif
U8 expected_info_data[] = {
0x94, 0x2e, 0x31, 0x01, 0x7b, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xfe, 0xff, 0xfd,
0xff, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x22, 0x00, 0x00, 0x00, 0x6f, 0x6e, 0x65, 0x00, 0x74, 0x77,
0x6f, 0x00, 0x74, 0x68, 0x72, 0x65, 0x65, 0x00, 0x66, 0x6f, 0x75, 0x72, 0x00, 0x66, 0x69, 0x76, 0x65, 0x00, 0x2f,
0x4c, 0x69, 0x6e, 0x6b, 0x49, 0x6e, 0x66, 0x6f, 0x00, 0x06, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x01, 0x00,
0x00, 0x00, 0xb7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x13,
0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x00, 0x00,
0x08, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0xdc, 0x51, 0x33, 0x01,
};
T_Ok(str8_match(info_data, str8_array_fixed(expected_info_data), 0));
pdb_release(pdb);
}
TEST(validate_gsi)
{
String8 raw_symbols[] = {
cv_make_symbol(arena, CV_SymKind_CONSTANT, cv_make_const(arena, (CV_SymConstant){ .itype = 0 }, 263, str8_lit("CV_SymKind_BLOCK16"))),
cv_make_symbol(arena, CV_SymKind_GDATA32, cv_make_data32(arena, (CV_SymData32) { .itype = 0, .off = 0x25440, .sec = 2 }, str8_lit("__newclmap"))),
cv_make_symbol(arena, CV_SymKind_GDATA32, cv_make_data32(arena, (CV_SymData32) { .itype = 0, .off = 123, .sec = 1 }, str8_lit("coffeebabe"))),
cv_make_symbol(arena, CV_SymKind_GDATA32, cv_make_data32(arena, (CV_SymData32) { .itype = 0, .off = 123, .sec = 1 }, str8_lit("deadbeef"))),
};
CV_Symbol symbols[ArrayCount(raw_symbols)] = {0};
for EachElement(i, raw_symbols) { symbols[i] = cv_symbol_from_ptr(raw_symbols[i].str); }
CV_DebugS debug_s = {0};
for EachElement(i, symbols) { str8_list_push(arena, &debug_s.data_list[CV_C13SubSectionIdxKind_Symbols], cv_data_from_symbol(arena, &symbols[i], CV_SymbolAlign)); }
String8List raw_debug_s_list = cv_data_from_debug_s_c13(arena, &debug_s, 1);
String8 raw_debug_s = str8_list_join(arena, &raw_debug_s_list, 0);
T_Ok(t_write_def_obj("debug.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_s", ".debug$S", raw_debug_s, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
}));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /debug:full /out:a.exe entry.obj debug.obj");
T_Ok(g_last_exit_code == 0);
String8 raw_pdb = t_read_file(arena, str8_lit("a.pdb"));
MSF_Parsed *msf = msf_parsed_from_data(arena, raw_pdb);
String8 dbi_data = msf_data_from_stream(msf, PDB_FixedStream_Dbi);
PDB_DbiParsed *dbi = pdb_dbi_from_data(arena, dbi_data);
String8 gsi_data = msf_data_from_stream(msf, dbi->gsi_sn);
PDB_GsiParsed *gsi = pdb_gsi_from_data(arena, gsi_data);
String8 symbol_data = msf_data_from_stream(msf, dbi->sym_sn);
for EachElement(i, symbols) {
CV_Symbol symbol = symbols[i];
String8 string = cv_name_from_symbol(symbols[i].kind, symbols[i].data);
U64 symbol_off = pdb_gsi_symbol_from_string(gsi, symbol_data, string);
T_Ok(symbol_off < symbol_data.size);
CV_Symbol test_symbol = {0};
U64 test_symbol_size = cv_read_symbol(str8_skip(symbol_data, symbol_off), 0, 1, &test_symbol);
T_Ok(test_symbol_size > 0);
String8 test_symbol_name = cv_name_from_symbol(test_symbol.kind, test_symbol.data);
T_Ok(str8_match(test_symbol_name, string, 0));
}
}
TEST(validate_gsi_procs_and_typedefs)
{
String8 raw_symbols[] = {
cv_make_symbol(arena, CV_SymKind_OBJNAME, cv_make_obj_name(arena, str8_lit("debug.obj"), 0x123)),
cv_make_symbol(arena, CV_SymKind_GPROC32_ID, cv_make_proc32(arena, (CV_SymProc32){0}, str8_lit("global_proc"))),
cv_make_symbol(arena, CV_SymKind_PROC_ID_END, cv_make_end(arena)),
cv_make_symbol(arena, CV_SymKind_UDT, cv_make_udt(arena, (CV_SymUDT){0}, str8_lit("global_typedef"))),
cv_make_symbol(arena, CV_SymKind_OBJNAME, cv_make_obj_name(arena, str8_lit("debug.obj"), 0x123)),
cv_make_symbol(arena, CV_SymKind_LPROC32_ID, cv_make_proc32(arena, (CV_SymProc32){0}, str8_lit("local_proc"))),
cv_make_symbol(arena, CV_SymKind_UDT, cv_make_udt(arena, (CV_SymUDT){0}, str8_lit("local_typedef"))),
cv_make_symbol(arena, CV_SymKind_PROC_ID_END, cv_make_end(arena)),
};
CV_Symbol symbols[ArrayCount(raw_symbols)] = {0};
for EachElement(i, raw_symbols) { symbols[i] = cv_symbol_from_ptr(raw_symbols[i].str); }
CV_DebugS debug_s = {0};
for EachElement(i, symbols) { str8_list_push(arena, &debug_s.data_list[CV_C13SubSectionIdxKind_Symbols], cv_data_from_symbol(arena, &symbols[i], CV_SymbolAlign)); }
String8List raw_debug_s_list = cv_data_from_debug_s_c13(arena, &debug_s, 1);
String8 raw_debug_s = str8_list_join(arena, &raw_debug_s_list, 0);
T_Ok(t_write_def_obj("debug.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_s", ".debug$S", raw_debug_s, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
}));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /debug:full /out:a.exe entry.obj debug.obj");
T_Ok(g_last_exit_code == 0);
String8 raw_pdb = t_read_file(arena, str8_lit("a.pdb"));
MSF_Parsed *msf = msf_parsed_from_data(arena, raw_pdb);
String8 dbi_data = msf_data_from_stream(msf, PDB_FixedStream_Dbi);
PDB_DbiParsed *dbi = pdb_dbi_from_data(arena, dbi_data);
String8 gsi_data = msf_data_from_stream(msf, dbi->gsi_sn);
PDB_GsiParsed *gsi = pdb_gsi_from_data(arena, gsi_data);
String8 symbol_data = msf_data_from_stream(msf, dbi->sym_sn);
struct {
char *name;
B32 is_global;
U64 offset;
U64 imod;
} procs[] = {
{ "global_proc", 1, 0x18, 2, },
{ "local_proc", 0, 0x64, 2, },
};
for EachElement(i, procs) {
U64 symbol_off = pdb_gsi_symbol_from_string(gsi, symbol_data, str8_cstring(procs[i].name));
T_Ok(symbol_off < symbol_data.size);
CV_Symbol test_symbol = {0};
U64 test_symbol_size = cv_read_symbol(str8_skip(symbol_data, symbol_off), 0, 1, &test_symbol);
String8 test_symbol_name = cv_name_from_symbol(test_symbol.kind, test_symbol.data);
T_Ok(test_symbol_size > 0);
T_Ok(str8_match(str8_cstring(procs[i].name), test_symbol_name, 0));
T_Ok(test_symbol.kind == (procs[i].is_global ? CV_SymKind_PROCREF : CV_SymKind_LPROCREF));
CV_SymRef2 *proc_ref = str8_deserial_get_raw_ptr(test_symbol.data, 0, sizeof(*proc_ref));
T_Ok(proc_ref->suc_name == 0);
T_Ok(proc_ref->sym_off == procs[i].offset);
T_Ok(proc_ref->imod == procs[i].imod);
}
struct {
char *name;
B32 is_global;
} typedefs[] = {
{ "global_typedef", 1 },
{ "local_typedef", 0 },
};
for EachElement(i, typedefs) {
U64 symbol_off = pdb_gsi_symbol_from_string(gsi, symbol_data, str8_cstring(typedefs[i].name));
if (typedefs[i].is_global) {
T_Ok(symbol_off < symbol_data.size);
CV_Symbol test_symbol = {0};
U64 test_symbol_size = cv_read_symbol(str8_skip(symbol_data, symbol_off), 0, 1, &test_symbol);
String8 test_symbol_name = cv_name_from_symbol(test_symbol.kind, test_symbol.data);
T_Ok(test_symbol_size > 0);
T_Ok(str8_match(str8_cstring(typedefs[i].name), test_symbol_name, 0));
T_Ok(test_symbol.kind == CV_SymKind_UDT);
} else {
T_Ok(symbol_off >= symbol_data.size);
}
}
}
TEST(validate_psi)
{
T_Ok(t_write_def_obj("test.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit("FOOBAR"), .flags = "rx:code" },
{ "data", ".data", str8_lit("QWE"), .flags = "rw:data" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_ExternFunc("global_func", "text", 1),
T_COFF_DefSymbol_Extern("global_var", "data", 1),
T_COFF_DefSymbol_Static("static_var", "data", 1),
{0}
}
}));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /debug:full entry.obj test.obj");
T_Ok(g_last_exit_code == 0);
String8 raw_pdb = t_read_file(arena, str8_lit("a.pdb"));
MSF_Parsed *msf = msf_parsed_from_data(arena, raw_pdb);
String8 dbi_data = msf_data_from_stream(msf, PDB_FixedStream_Dbi);
PDB_DbiParsed *dbi = pdb_dbi_from_data(arena, dbi_data);
String8 psi_data = msf_data_from_stream(msf, dbi->psi_sn);
String8 psi_gsi_data = str8_range(psi_data.str + sizeof(PDB_PsiHeader), psi_data.str+psi_data.size);
PDB_GsiParsed *psi = pdb_gsi_from_data(arena, psi_gsi_data);
String8 symbol_data = msf_data_from_stream(msf, dbi->sym_sn);
struct {
char *name;
B32 is_global;
CV_Pub32Flags flags;
} pubs[] = {
{ "global_func", 1, CV_Pub32Flag_Function },
{ "global_var", 1, 0 },
{ "static_var", 0, 0 },
};
for EachElement(i, pubs) {
U64 symbol_off = pdb_gsi_symbol_from_string(psi, symbol_data, str8_cstring(pubs[i].name));
if (pubs[i].is_global) {
T_Ok(symbol_off < symbol_data.size);
CV_Symbol test_symbol = {0};
U64 test_symbol_size = cv_read_symbol(str8_skip(symbol_data, symbol_off), 0, 1, &test_symbol);
String8 test_symbol_name = cv_name_from_symbol(test_symbol.kind, test_symbol.data);
T_Ok(test_symbol_size > 0);
T_Ok(str8_match(str8_cstring(pubs[i].name), test_symbol_name, 0));
T_Ok(test_symbol.kind == CV_SymKind_PUB32);
CV_SymPub32 *pub32 = str8_deserial_get_raw_ptr(test_symbol.data, 0, sizeof(*pub32));
T_Ok(pub32->sec > 0);
T_Ok(pubs[i].flags == pub32->flags);
} else {
T_Ok(symbol_off >= symbol_data.size);
}
}
U64 pub32_count = 0;
for EachElement(i, psi->buckets) {
PDB_GsiBucket bucket = psi->buckets[i];
for EachIndex(k, bucket.count) {
CV_Symbol test_symbol = {0};
U64 test_symbol_size = cv_read_symbol(str8_skip(symbol_data, bucket.offs[k]), 0, 1, &test_symbol);
T_Ok(test_symbol_size >= sizeof(CV_SymPub32));
T_Ok(test_symbol.kind == CV_SymKind_PUB32);
pub32_count += 1;
}
}
T_Ok(pub32_count > 0);
}
TEST(pdbstripped)
{
String8 debug_obj;
{
String8 raw_symbols[] = {
cv_make_symbol(arena, CV_SymKind_OBJNAME, cv_make_obj_name(arena, str8_lit("debug.obj"), 0x123)),
cv_make_symbol(arena, CV_SymKind_GPROC32_ID, cv_make_proc32(arena, (CV_SymProc32){0}, str8_lit("global_proc"))),
cv_make_symbol(arena, CV_SymKind_PROC_ID_END, cv_make_end(arena)),
cv_make_symbol(arena, CV_SymKind_UDT, cv_make_udt(arena, (CV_SymUDT){0}, str8_lit("global_typedef"))),
cv_make_symbol(arena, CV_SymKind_LPROC32_ID, cv_make_proc32(arena, (CV_SymProc32){0}, str8_lit("local_proc"))),
cv_make_symbol(arena, CV_SymKind_UDT, cv_make_udt(arena, (CV_SymUDT){0}, str8_lit("local_typedef"))),
cv_make_symbol(arena, CV_SymKind_PROC_ID_END, cv_make_end(arena)),
};
CV_Symbol symbols[ArrayCount(raw_symbols)] = {0};
for EachElement(i, raw_symbols) { symbols[i] = cv_symbol_from_ptr(raw_symbols[i].str); }
CV_DebugS debug_s = {0};
for EachElement(i, symbols) { str8_list_push(arena, &debug_s.data_list[CV_C13SubSectionIdxKind_Symbols], cv_data_from_symbol(arena, &symbols[i], CV_SymbolAlign)); }
String8List raw_debug_s_list = cv_data_from_debug_s_c13(arena, &debug_s, 1);
String8 raw_debug_s = str8_list_join(arena, &raw_debug_s_list, 0);
debug_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_s", ".debug$S", raw_debug_s, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
});
}
String8 pub_obj;
{
pub_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit("FOOBAR"), .flags = "rx:code" },
{ "data", ".data", str8_lit("QWE"), .flags = "rw:data" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_ExternFunc("global_func", "text", 1),
T_COFF_DefSymbol_Extern("global_var", "data", 1),
T_COFF_DefSymbol_Static("static_var", "data", 1),
{0}
}
});
}
T_Ok(t_write_file(str8_lit("debug.obj"), debug_obj));
T_Ok(t_write_file(str8_lit("pub.obj"), pub_obj));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /debug:full /out:a.exe /pdbstripped:a.stripped.pdb entry.obj pub.obj debug.obj");
T_Ok(g_last_exit_code == 0);
String8 raw_pdb = t_read_file(arena, str8_lit("a.stripped.pdb"));
MSF_Parsed *msf = msf_parsed_from_data(arena, raw_pdb);
String8 dbi_data = msf_data_from_stream(msf, PDB_FixedStream_Dbi);
PDB_DbiParsed *dbi = pdb_dbi_from_data(arena, dbi_data);
String8 mods_data = pdb_data_from_dbi_range(dbi, PDB_DbiRange_ModuleInfo);
PDB_CompUnitArray *mods = pdb_comp_unit_array_from_data(arena, mods_data);
T_Ok(mods->count > 0);
// modules must contain only stubs for static procs
for EachIndex(i, mods->count) {
PDB_CompUnit *mod = mods->units[i];
U64 sym_data_size = mod->range_off[PDB_DbiCompUnitRange_Symbols + 1] - mod->range_off[PDB_DbiCompUnitRange_Symbols];
U64 c11_data_size = mod->range_off[PDB_DbiCompUnitRange_C11 + 1] - mod->range_off[PDB_DbiCompUnitRange_C11];
U64 c13_data_size = mod->range_off[PDB_DbiCompUnitRange_C13 + 1] - mod->range_off[PDB_DbiCompUnitRange_C13];
T_Ok(c11_data_size == 0);
T_Ok(c13_data_size == 0);
if (str8_match(str8_skip_last_slash(mod->obj_name), str8_lit("debug.obj"), 0)) {
T_Ok(sym_data_size > 0);
} else {
T_Ok(sym_data_size == 0);
}
String8 mod_data = msf_data_from_stream(msf, mod->sn);
String8 sym_data = str8_substr(mod_data, r1u64(mod->range_off[PDB_DbiCompUnitRange_Symbols], mod->range_off[PDB_DbiCompUnitRange_Symbols + 1]));
for (U64 cursor = 0; cursor < sym_data_size; ) {
CV_Symbol symbol = {0};
U64 read_size = cv_read_symbol(sym_data, cursor, PDB_SYMBOL_ALIGN, &symbol);
T_Ok(read_size > 0);
cursor += read_size;
T_Ok(symbol.kind == CV_SymKind_LPROC32 || symbol.kind == CV_SymKind_END);
}
}
// global symbol stream must have public and references to the static stubs
String8 symbol_data = msf_data_from_stream(msf, dbi->sym_sn);
for (U64 cursor = 0; cursor < symbol_data.size; ) {
CV_Symbol symbol = {0};
U64 read_size = cv_read_symbol(symbol_data, cursor, PDB_SYMBOL_ALIGN, &symbol);
T_Ok(read_size > 0);
cursor += read_size;
T_Ok(symbol.kind == CV_SymKind_PUB32 ||
symbol.kind == CV_SymKind_LPROCREF);
}
// types must be stripped
String8 tpi = msf_data_from_stream(msf, PDB_FixedStream_Tpi);
T_Ok(tpi.size == sizeof(PDB_TpiHeader));
String8 ipi = msf_data_from_stream(msf, PDB_FixedStream_Ipi);
T_Ok(ipi.size == sizeof(PDB_TpiHeader));
}
TEST(ghash_check_corrupt)
{
String8List t = {0}; str8_serial_begin(arena, &t);
str8_serial_push_u32(arena, &t, CV_Signature_C13);
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_STRUCTURE, str8_struct(&(CV_LeafStruct){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_UNION, str8_struct(&(CV_LeafUnion){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_ENUM, str8_struct(&(CV_LeafEnum){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
String8 debug_t = str8_serial_end(arena, &t);
String8List h = {0}; str8_serial_begin(arena, &h);
String8 debug_h = str8_serial_end(arena, &h);
String8 debug_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_t", ".debug$T", debug_t, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{ "debug_h", ".debug$H", debug_h, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
});
T_Ok(t_write_file(str8_lit("debug.obj"), debug_obj));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /debug:ghash entry.obj debug.obj");
T_Ok(g_last_exit_code == 0);
B32 is_warning_found = 0;
String8 debug_obj_path = t_make_file_path(arena, str8_lit("debug.obj"));
String8 expected_line = str8f(arena, "Warning(%03u): %S: .debug$H section is too small to contain the header", LNK_Warning_GHash, debug_obj_path, LLVM_GHash_Magic);
for (String8 i = g_errors; i.size > 0 && !is_warning_found; ) {
String8 line = t_chop_line(&i);
is_warning_found = str8_match(expected_line, line, StringMatchFlag_CaseInsensitive);
}
T_Ok(is_warning_found);
}
TEST(ghash_check_magic)
{
String8List t = {0}; str8_serial_begin(arena, &t);
str8_serial_push_u32(arena, &t, CV_Signature_C13);
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_STRUCTURE, str8_struct(&(CV_LeafStruct){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_UNION, str8_struct(&(CV_LeafUnion){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_ENUM, str8_struct(&(CV_LeafEnum){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
String8 debug_t = str8_serial_end(arena, &t);
#if 0
U64 *hashes = push_array(arena, U64, t.node_count);
U64 i = 0;
for EachNode(n, String8Node, t.first->next) {
blake3(&hashes[i], sizeof(hashes[i]), n->string.str, n->string.size);
i += 1;
}
#endif
String8List h = {0}; str8_serial_begin(arena, &h);
str8_serial_push_struct(arena, &h, (&(LLVM_GHash){ .magic = 123, .hash_alg = LLVM_GHashAlg_BLAKE3, .version = LLVM_GHash_CurrentVersion }));
str8_serial_push_u64(arena, &h, 0x6ebacae08af4fda5ull);
str8_serial_push_u64(arena, &h, 0xc385876694f9769aull);
str8_serial_push_u64(arena, &h, 0x7ea8a529a89b2288ull);
String8 debug_h = str8_serial_end(arena, &h);
String8 debug_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_t", ".debug$T", debug_t, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{ "debug_h", ".debug$H", debug_h, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
});
T_Ok(t_write_file(str8_lit("debug.obj"), debug_obj));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /debug:ghash entry.obj debug.obj");
T_Ok(g_last_exit_code == 0);
B32 is_warning_found = 0;
String8 debug_obj_path = t_make_file_path(arena, str8_lit("debug.obj"));
String8 expected_line = str8f(arena, "Warning(%03u): %S: .debug$H contains invalid magic: got 0x7b, expected 0x%x", LNK_Warning_GHash, debug_obj_path, LLVM_GHash_Magic);
for (String8 i = g_errors; i.size > 0 && !is_warning_found; ) {
String8 line = t_chop_line(&i);
is_warning_found = str8_match(expected_line, line, StringMatchFlag_CaseInsensitive);
}
T_Ok(is_warning_found);
}
TEST(ghash_check_version)
{
String8List t = {0}; str8_serial_begin(arena, &t);
str8_serial_push_u32(arena, &t, CV_Signature_C13);
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_STRUCTURE, str8_struct(&(CV_LeafStruct){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_UNION, str8_struct(&(CV_LeafUnion){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_ENUM, str8_struct(&(CV_LeafEnum){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
String8 debug_t = str8_serial_end(arena, &t);
#if 0
U64 *hashes = push_array(arena, U64, t.node_count);
U64 i = 0;
for EachNode(n, String8Node, t.first->next) {
blake3(&hashes[i], sizeof(hashes[i]), n->string.str, n->string.size);
i += 1;
}
#endif
String8List h = {0}; str8_serial_begin(arena, &h);
str8_serial_push_struct(arena, &h, (&(LLVM_GHash){ .magic = LLVM_GHash_Magic, .hash_alg = LLVM_GHashAlg_BLAKE3, .version = 0xbeef }));
str8_serial_push_u64(arena, &h, 0x6ebacae08af4fda5ull);
str8_serial_push_u64(arena, &h, 0xc385876694f9769aull);
str8_serial_push_u64(arena, &h, 0x7ea8a529a89b2288ull);
String8 debug_h = str8_serial_end(arena, &h);
String8 debug_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_t", ".debug$T", debug_t, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{ "debug_h", ".debug$H", debug_h, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
});
T_Ok(t_write_file(str8_lit("debug.obj"), debug_obj));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /debug:ghash entry.obj debug.obj");
T_Ok(g_last_exit_code == 0);
B32 is_warning_found = 0;
String8 debug_obj_path = t_make_file_path(arena, str8_lit("debug.obj"));
String8 expected_line = str8f(arena, "Warning(%03u): %S: mismatched .debug$H version: got %u, expected %u", LNK_Warning_GHash, debug_obj_path, 0xbeef, LLVM_GHash_CurrentVersion);
for (String8 i = g_errors; i.size > 0 && !is_warning_found; ) {
String8 line = t_chop_line(&i);
is_warning_found = str8_match(expected_line, line, StringMatchFlag_CaseInsensitive);
}
T_Ok(is_warning_found);
}
TEST(ghash_check_hash_alg)
{
String8List t = {0}; str8_serial_begin(arena, &t);
str8_serial_push_u32(arena, &t, CV_Signature_C13);
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_STRUCTURE, str8_struct(&(CV_LeafStruct){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_UNION, str8_struct(&(CV_LeafUnion){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_ENUM, str8_struct(&(CV_LeafEnum){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
String8 debug_t = str8_serial_end(arena, &t);
String8List h = {0}; str8_serial_begin(arena, &h);
str8_serial_push_struct(arena, &h, (&(LLVM_GHash){ .magic = LLVM_GHash_Magic, .hash_alg = LLVM_GHashAlg_SHA1_8, .version = LLVM_GHash_CurrentVersion }));
str8_serial_push_u64(arena, &h, 0x6ebacae08af4fda5ull);
str8_serial_push_u64(arena, &h, 0xc385876694f9769aull);
str8_serial_push_u64(arena, &h, 0x7ea8a529a89b2288ull);
String8 debug_h = str8_serial_end(arena, &h);
String8 debug_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_t", ".debug$T", debug_t, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{ "debug_h", ".debug$H", debug_h, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
});
T_Ok(t_write_file(str8_lit("debug.obj"), debug_obj));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /debug:ghash entry.obj debug.obj");
T_Ok(g_last_exit_code == 0);
B32 is_warning_found = 0;
String8 debug_obj_path = t_make_file_path(arena, str8_lit("debug.obj"));
String8 expected_line = str8f(arena, "Warning(%03u): %S: mismatched .debug$H hash algorithm: got SHA1_8, expected BALK3", LNK_Warning_GHash, debug_obj_path);
for (String8 i = g_errors; i.size > 0 && !is_warning_found; ) {
String8 line = t_chop_line(&i);
is_warning_found = str8_match(expected_line, line, StringMatchFlag_CaseInsensitive);
}
T_Ok(is_warning_found);
}
TEST(ghash_match_debug_t)
{
String8List t = {0}; str8_serial_begin(arena, &t);
str8_serial_push_u32(arena, &t, CV_Signature_C13);
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_STRUCTURE, str8_struct(&(CV_LeafStruct){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_UNION, str8_struct(&(CV_LeafUnion){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
//str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_ENUM, str8_struct(&(CV_LeafEnum){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
String8 debug_t = str8_serial_end(arena, &t);
String8List h = {0}; str8_serial_begin(arena, &h);
str8_serial_push_struct(arena, &h, (&(LLVM_GHash){ .magic = LLVM_GHash_Magic, .hash_alg = LLVM_GHashAlg_BLAKE3, .version = LLVM_GHash_CurrentVersion }));
str8_serial_push_u64(arena, &h, 0x6ebacae08af4fda5ull);
str8_serial_push_u64(arena, &h, 0xc385876694f9769aull);
str8_serial_push_u64(arena, &h, 0x7ea8a529a89b2288ull);
String8 debug_h = str8_serial_end(arena, &h);
String8 debug_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_t", ".debug$T", debug_t, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{ "debug_h", ".debug$H", debug_h, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
});
T_Ok(t_write_file(str8_lit("debug.obj"), debug_obj));
T_Ok(t_write_entry_obj());
String8 output = {0};
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /debug:ghash entry.obj debug.obj");
T_Ok(g_last_exit_code == 0);
B32 is_warning_found = 0;
String8 debug_obj_path = t_make_file_path(arena, str8_lit("debug.obj"));
String8 expected_line = str8f(arena, "Warning(%03u): %S: mismatched .debug$H hash count and type count: got 3 hashes for 2 types", LNK_Warning_GHash, debug_obj_path);
for (String8 i = g_errors; i.size > 0 && !is_warning_found; ) {
String8 line = t_chop_line(&i);
is_warning_found = str8_match(expected_line, line, StringMatchFlag_CaseInsensitive);
}
T_Ok(is_warning_found);
}
TEST(ghash_basic)
{
String8 a_obj;
{
String8List t = {0}; str8_serial_begin(arena, &t);
str8_serial_push_u32(arena, &t, CV_Signature_C13);
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_STRUCTURE, str8_struct(&(CV_LeafStruct){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_UNION, str8_struct(&(CV_LeafUnion){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_ENUM, str8_struct(&(CV_LeafEnum){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
String8 debug_t = str8_serial_end(arena, &t);
String8List h = {0}; str8_serial_begin(arena, &h);
str8_serial_push_struct(arena, &h, (&(LLVM_GHash){ .magic = LLVM_GHash_Magic, .hash_alg = LLVM_GHashAlg_BLAKE3, .version = LLVM_GHash_CurrentVersion }));
str8_serial_push_u64(arena, &h, 1);
str8_serial_push_u64(arena, &h, 2);
str8_serial_push_u64(arena, &h, 3);
String8 debug_h = str8_serial_end(arena, &h);
a_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_t", ".debug$T", debug_t, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{ "debug_h", ".debug$H", debug_h, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
});
}
String8 b_obj;
{
String8List t = {0}; str8_serial_begin(arena, &t);
str8_serial_push_u32(arena, &t, CV_Signature_C13);
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_STRUCTURE, str8_struct(&(CV_LeafStruct){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_UNION, str8_struct(&(CV_LeafUnion){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
str8_serial_push_string(arena, &t, cv_make_leaf(arena, CV_LeafKind_ENUM, str8_struct(&(CV_LeafEnum){ .props = CV_TypeProp_FwdRef }), CV_LeafAlign));
String8 debug_t = str8_serial_end(arena, &t);
String8List h = {0}; str8_serial_begin(arena, &h);
str8_serial_push_struct(arena, &h, (&(LLVM_GHash){ .magic = LLVM_GHash_Magic, .hash_alg = LLVM_GHashAlg_BLAKE3, .version = LLVM_GHash_CurrentVersion }));
str8_serial_push_u64(arena, &h, 4);
str8_serial_push_u64(arena, &h, 5);
str8_serial_push_u64(arena, &h, 6);
String8 debug_h = str8_serial_end(arena, &h);
b_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "debug_t", ".debug$T", debug_t, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{ "debug_h", ".debug$H", debug_h, .flags = "r:data", .raw_flags = COFF_SectionFlag_MemDiscardable },
{0}
}
});
}
T_Ok(t_write_file(str8_lit("a.obj"), a_obj));
T_Ok(t_write_file(str8_lit("b.obj"), b_obj));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /debug:ghash entry.obj a.obj b.obj");
T_Ok(g_last_exit_code == 0);
{
String8 raw_pdb = t_read_file(arena, str8_lit("a.pdb"));
MSF_Parsed *msf_parsed = msf_parsed_from_data(arena, raw_pdb);
String8 raw_tpi = msf_data_from_stream(msf_parsed, PDB_FixedStream_Tpi);
PDB_TpiParsed *tpi = pdb_tpi_from_data(arena, raw_tpi);
U64 leaf_count = tpi->itype_opl - tpi->itype_first;
T_Ok(leaf_count == 6);
}
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /debug:full entry.obj a.obj b.obj");
T_Ok(g_last_exit_code == 0);
{
String8 raw_pdb = t_read_file(arena, str8_lit("a.pdb"));
MSF_Parsed *msf_parsed = msf_parsed_from_data(arena, raw_pdb);
String8 raw_tpi = msf_data_from_stream(msf_parsed, PDB_FixedStream_Tpi);
PDB_TpiParsed *tpi = pdb_tpi_from_data(arena, raw_tpi);
U64 leaf_count = tpi->itype_opl - tpi->itype_first;
T_Ok(leaf_count == 3);
}
}
TEST(patch_cv_symbol_tree)
{
String8List raw_symbols = {0};
str8_list_push(arena, &raw_symbols, cv_make_symbol(arena, CV_SymKind_OBJNAME, cv_make_obj_name(arena, str8_lit("foo.obj"), 123)));
str8_list_push(arena, &raw_symbols, cv_make_symbol(arena, CV_SymKind_GPROC32, cv_make_proc32(arena, (CV_SymProc32){0}, str8_lit("Proc"))));
str8_list_push(arena, &raw_symbols, cv_make_symbol(arena, CV_SymKind_INLINESITE, cv_make_inline_site(arena, (CV_SymInlineSite){0}, str8_zero())));
str8_list_push(arena, &raw_symbols, cv_make_symbol(arena, CV_SymKind_INLINESITE_END, cv_make_inline_site_end(arena)));
str8_list_push(arena, &raw_symbols, cv_make_symbol(arena, CV_SymKind_END, cv_make_end(arena)));
U64 tree_size = cv_patch_symbol_tree_offsets(raw_symbols, sizeof(CV_Signature), 4);
T_Ok(tree_size == 84);
{
String8Node buf = *raw_symbols.first;
U64 buf_pos = 0;
CV_SymbolHeader obj_header;
T_Ok(str8_buffer_read(&buf, &buf_pos, sizeof(obj_header), &obj_header) == sizeof(obj_header));
T_Ok(obj_header.kind == CV_SymKind_OBJNAME);
T_Ok(str8_buffer_skip(&buf, &buf_pos, obj_header.size - sizeof(CV_SymKind)));
CV_SymbolHeader proc_header;
T_Ok(str8_buffer_read(&buf, &buf_pos, sizeof(proc_header), &proc_header) == sizeof(proc_header));
T_Ok(proc_header.kind == CV_SymKind_GPROC32);
CV_SymProc32 proc;
T_Ok(str8_buffer_read(&buf, &buf_pos, sizeof(proc), &proc) == sizeof(proc));
T_Ok(proc.end == 0x54);
T_Ok(str8_buffer_skip(&buf, &buf_pos, proc_header.size - sizeof(CV_SymKind) - sizeof(proc)));
CV_SymbolHeader inline_site_header;
T_Ok(str8_buffer_read(&buf, &buf_pos, sizeof(inline_site_header), &inline_site_header) == sizeof(inline_site_header));
T_Ok(inline_site_header.kind == CV_SymKind_INLINESITE);
CV_SymInlineSite inline_site;
T_Ok(str8_buffer_read(&buf, &buf_pos, sizeof(inline_site), &inline_site));
T_Ok(inline_site.parent == 0x14);
T_Ok(inline_site.end == 0x50);
T_Ok(str8_buffer_skip(&buf, &buf_pos, inline_site_header.size - sizeof(CV_SymKind) - sizeof(inline_site)));
CV_SymbolHeader inline_end_header;
T_Ok(str8_buffer_read(&buf, &buf_pos, sizeof(inline_end_header), &inline_end_header) == sizeof(inline_end_header));
T_Ok(inline_end_header.kind == CV_SymKind_INLINESITE_END);
CV_SymbolHeader proc_end_header;
T_Ok(str8_buffer_read(&buf, &buf_pos, sizeof(proc_end_header), &proc_end_header) == sizeof(proc_end_header));
T_Ok(proc_end_header.kind == CV_SymKind_END);
T_Ok(buf.string.size == 0);
T_Ok(buf.string.str == 0);
T_Ok(buf_pos == 0);
}
}
TEST(whole_archive)
{
T_Ok(t_write_entry_obj());
T_Ok(t_write_def_lib("a.lib", (T_COFF_DefLib){
.emit_second_member = 1,
.members = (T_COFF_DefLibMember[]){
{
.type = T_COFF_DefLibMember_Obj,
.obj = {
.path = str8_lit("a.obj"),
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "a", ".a", str8_lit("a"), .flags = "rw:data" },
{0}
}
}
},
{0}
}
}));
T_Ok(t_write_def_lib("b.lib", (T_COFF_DefLib){
.emit_second_member = 1,
.members = (T_COFF_DefLibMember[]){
{
.type = T_COFF_DefLibMember_Obj,
.obj = {
.path = str8_lit("b.obj"),
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "b", ".b", str8_lit("b"), .flags = "rw:data" },
{0}
}
}
},
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:all_libs.exe entry.obj /wholearchive a.lib b.lib");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("all_libs.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *a_sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".a"));
COFF_SectionHeader *b_sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".b"));
T_Ok(a_sect != 0);
T_Ok(b_sect != 0);
}
t_invoke_linkerf("/subsystem:console /entry:entry /out:only_a.exe entry.obj /wholearchive:a.lib a.lib b.lib");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("only_a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *a_sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".a"));
COFF_SectionHeader *b_sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".b"));
T_Ok(a_sect != 0);
T_Ok(b_sect == 0);
}
t_invoke_linkerf("/subsystem:console /entry:entry /out:only_b.exe /wholearchive:b.lib a.lib b.lib entry.obj");
T_Ok(g_last_exit_code == 0);
{
String8 exe = t_read_file(arena, str8_lit("only_b.exe"));
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *a_sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".a"));
COFF_SectionHeader *b_sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".b"));
T_Ok(a_sect == 0);
T_Ok(b_sect != 0);
}
}
#if OS_WINDOWS
internal B32
t_radlink_validate_asan_out(String8 obj_name)
{
Temp scratch = scratch_begin(0,0);
B32 is_ok = 0;
t_invoke_linkerf("%S /debug:full", obj_name);
if (g_last_exit_code != 0) { goto exit; }
String8 exe_path = t_make_file_path(scratch.arena, str8f(scratch.arena, "%S.exe", str8_chop_last_dot(obj_name)));
char *old_path_cstr = getenv("PATH");
String8List env = {0};
str8_list_pushf(scratch.arena, &env, "PATH=%S;%S", str8_chop_last_slash(t_cl_path()), str8_cstring(old_path_cstr));
t_invoke_env(exe_path, str8_zero(), env, max_U64);
String8 s = g_errors;
String8 header = t_chop_line(&s);
if ( ! str8_match(header, str8_lit("================================================================="), 0)) {
goto exit;
}
String8 cause = t_chop_line(&s);
if ( str8_find_needle(cause, 0, str8_lit("AddressSanitizer: heap-use-after-free on address"), 0) >= cause.size) {
goto exit;
}
is_ok = 1;
exit:;
scratch_end(scratch);
return is_ok;
}
TEST(infer_asan)
{
char *program =
"#include <stdlib.h>\n"
" int main(void) {\n"
"int *foo = malloc(sizeof(*foo));\n"
"free(foo);\n"
"*foo = 1;\n"
"}\n"
;
// /MD
{
T_Ok(t_write_file(str8_lit("main.c"), str8_cstring(program)));
t_invoke_cl("/MD /fsanitize=address /Z7 /c /Fo:main_md.obj main.c");
T_Ok(g_last_exit_code == 0);
T_Ok(t_radlink_validate_asan_out(str8_lit("main_md.obj")));
}
// /MDd
{
T_Ok(t_write_file(str8_lit("main.c"), str8_cstring(program)));
t_invoke_cl("/MDd /fsanitize=address /Z7 /c /Fo:main_mdd.obj main.c");
T_Ok(g_last_exit_code == 0);
T_Ok(t_radlink_validate_asan_out(str8_lit("main_mdd.obj")));
}
// /MT
{
T_Ok(t_write_file(str8_lit("main.c"), str8_cstring(program)));
t_invoke_cl("/MT /fsanitize=address /Z7 /c /Fo:main_mt.obj main.c");
T_Ok(g_last_exit_code == 0);
T_Ok(t_radlink_validate_asan_out(str8_lit("main_mt.obj")));
}
// /MTd
{
T_Ok(t_write_file(str8_lit("main.c"), str8_cstring(program)));
t_invoke_cl("/MT /fsanitize=address /Z7 /c /Fo:main_mtd.obj main.c");
T_Ok(g_last_exit_code == 0);
T_Ok(t_radlink_validate_asan_out(str8_lit("main_mtd.obj")));
}
}
#endif
#if OS_WINDOWS
TEST(determ_test)
{
// compile the test target (torture)
t_invoke_cl("/fsanitize=address /c /Z7 /Fo:test.obj -I%S /Zc:preprocessor %S/torture/torture_main.c", t_src_path(), t_src_path());
T_Ok(g_last_exit_code == 0);
U64 run_count = 25;
T_Ok(run_count > 1);
String8 test_path = t_make_file_path(arena, str8_lit("test.obj"));
// single-threaded link
t_invoke_linkerf("%S /debug:full /rad_time_stamp:0 /rad_workers:1 /pdbaltpath:main.pdb /rad_log:-all /rad_ignore:74 /out:main.exe", test_path);
T_Ok(g_last_exit_code == 0);
// read b
String8 main_exe = t_read_file(arena, str8_lit("main.exe"));
String8 main_pdb = t_read_file(arena, str8_lit("main.pdb"));
// multi-threaded links
ProcessList linkers = {0};
for EachIndex(i, run_count) {
String8 out_path = t_make_file_path(arena, str8f(arena, "%llu.exe", i));
String8 cmdl = str8f(arena, "%S %S /debug:full /rad_time_stamp:0 /rad_imagealtpath:main.exe /pdbaltpath:main.pdb /rad_log:-all /rad_ignore:74 /out:%S", t_radlink_path(), test_path, out_path);
Process process_handle = launch_cmd_line(cmdl);
T_Ok(!process_match(process_zero(), process_handle));
process_list_push(arena, &linkers, process_handle);
}
// wait for linkers
for EachNode(n, ProcessNode, linkers.first) { process_join(n->v, max_U64, 0); }
for EachIndex(i, run_count) {
Temp temp = temp_begin(arena);
String8 exe = t_read_file(temp.arena, str8f(temp.arena, "%llu.exe", i));
String8 pdb = t_read_file(temp.arena, str8f(temp.arena, "%llu.pdb", i));
T_Ok(exe.size);
T_Ok(pdb.size);
T_Ok(str8_match(main_exe, exe, 0));
T_Ok(str8_match(main_pdb, pdb, 0));
temp_end(temp);
}
}
#endif
#if 0
TEST(fold_two_funcs)
{
U8 same_text[] = {
0x48, 0x31, 0xc0, // xor rax, rax
0xc3 // ret
};
U8 entry_text[] = {
0xe8, 0x00, 0x00, 0x00, 0x00, // call a
0xe8, 0x00, 0x00, 0x00, 0x00, // call b
0xc3, // ret
};
T_Ok(t_write_def_obj("ident_funcs.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "a", ".text$mn", str8_array_fixed(same_text), .flags = "rx:code", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{ "b", ".text$mb", str8_array_fixed(same_text), .flags = "rx:code", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{
"entry", ".text", str8_array_fixed(entry_text), .flags = "rx:code@1",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 1, "a"),
T_COFF_DefReloc(X64_Rel32, 6, "b"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("a", COFF_ComdatSelect_NoDuplicates),
T_COFF_DefSymbol_Secdef("b", COFF_ComdatSelect_NoDuplicates),
T_COFF_DefSymbol_ExternFunc("a", "a", 0),
T_COFF_DefSymbol_ExternFunc("b", "b", 0),
T_COFF_DefSymbol_ExternFunc("entry", "entry", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /opt:icf ident_funcs.obj");
T_Ok(g_last_exit_code == 0);
String8 exe = t_read_file(arena, str8_lit("ident_funcs.exe"));
T_Ok(exe.size);
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_sect = coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".text"));
// validate .text header
T_Ok(text_sect->voff == 0x1000);
T_Ok(text_sect->vsize >= 0x14);
T_Ok(text_sect->fsize == 0x200);
T_Ok(text_sect->foff + text_sect->vsize <= exe.size);
String8 text_data = str8_substr(exe, r1u64(text_sect->foff, text_sect->foff + 0x14));
U8 expected_text[] = {
// entry
0xe8, 0x0b, 0x00, 0x00, 0x00,
0xe8, 0x06, 0x00, 0x00, 0x00,
0xc3,
// pad
0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
// a and b folded
0x48, 0x31, 0xc0,
0xc3,
};
T_Ok(str8_match(text_data, str8_array_fixed(expected_text), 0));
}
TEST(same_but_different)
{
U8 text[] = {
0xe8, 0x00, 0x00, 0x00, 0x00, // call $
0xc3
};
U8 return_1[] = {
0x48, 0xc7, 0xc0, 0x01, 0x00, 0x00, 0x00, // mov rax, 1
0xc3 // ret
};
U8 return_2[] = {
0x48, 0xc7, 0xc0, 0x02, 0x00, 0x00, 0x00, // mov rax, 2
0xc3 // ret
};
U8 call_a_and_b[] = {
0xe8, 0x00, 0x00, 0x00, 0x00,
0xe8, 0x00, 0x00, 0x00, 0x00,
0xc3
};
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"entry", ".text", str8_array_fixed(call_a_and_b), .flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 1, "a"),
T_COFF_DefReloc(X64_Rel32, 6, "b"),
{0}
}
},
{
"a", ".text", str8_array_fixed(text), .flags = "rx:code", .raw_flags = COFF_SectionFlag_LnkCOMDAT,
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 1, "c"),
{0}
}
},
{
"b", ".text", str8_array_fixed(text), .flags = "rx:code", .raw_flags = COFF_SectionFlag_LnkCOMDAT,
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 1, "d"),
{0}
}
},
{ "c", ".text", str8_array_fixed(return_1), .flags = "rx:code", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{ "d", ".text", str8_array_fixed(return_2), .flags = "rx:code", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("a", COFF_ComdatSelect_NoDuplicates),
T_COFF_DefSymbol_Secdef("b", COFF_ComdatSelect_NoDuplicates),
T_COFF_DefSymbol_Secdef("c", COFF_ComdatSelect_NoDuplicates),
T_COFF_DefSymbol_Secdef("d", COFF_ComdatSelect_NoDuplicates),
T_COFF_DefSymbol_Extern("entry", "entry", 0),
T_COFF_DefSymbol_Extern("a", "a", 0),
T_COFF_DefSymbol_Extern("b", "b", 0),
T_COFF_DefSymbol_Extern("c", "c", 0),
T_COFF_DefSymbol_Extern("d", "d", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /opt:icf a.obj");
T_Ok(g_last_exit_code == 0);
// validate output
{
U8 expected_text[] = {
0xe8, 0x0b, 0x00, 0x00, 0x00, // call a
0xe8, 0x16, 0x00, 0x00, 0x00, // call b
0xc3,
0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
0xe8, 0x1b, 0x00, 0x00, 0x00, // call c
0xc3,
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
0xe8, 0x1b, 0x00, 0x00, 0x00, // call d
0xc3,
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
0x48, 0xc7, 0xc0, 0x01, 0x00, 0x00, 0x00, // mov rax, 1
0xc3,
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
0x48, 0xc7, 0xc0, 0x02, 0x00, 0x00, 0x00, // mov rax, 2
0xc3,
};
String8 exe = t_read_file(arena, str8_lit("a.exe"));
T_Ok(exe.size);
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_section = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_section);
T_Ok(text_section->foff + sizeof(expected_text) <= exe.size);
String8 text = str8_substr(exe, r1u64(text_section->foff, text_section->foff + text_section->vsize));
T_Ok(str8_match(text, str8_array_fixed(expected_text), 0));
}
}
TEST(fold_diamond)
{
U8 call_b_and_c[] = {
0xe8, 0x00, 0x00, 0x00, 0x00,
0xe8, 0x00, 0x00, 0x00, 0x00,
0xc3
};
U8 call_and_return[] = {
0xe8, 0x00, 0x00, 0x00, 0x00,
0xc3
};
U8 clear_and_return[] = {
0x48, 0x31, 0xc0,
0xc3
};
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"a", ".text", str8_array_fixed(call_b_and_c), .flags = "rx:code", .raw_flags = COFF_SectionFlag_LnkCOMDAT,
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 1, "b"),
T_COFF_DefReloc(X64_Rel32, 6, "c"),
{0}
}
},
{
"b", ".text", str8_array_fixed(call_and_return), .flags = "rx:code", .raw_flags = COFF_SectionFlag_LnkCOMDAT,
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 1, "d"),
{0}
}
},
{
"c", ".text", str8_array_fixed(call_and_return), .flags = "rx:code", .raw_flags = COFF_SectionFlag_LnkCOMDAT,
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 1, "d"),
{0}
}
},
{ "d", ".text", str8_array_fixed(clear_and_return), .flags = "rx:code", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("a", COFF_ComdatSelect_NoDuplicates),
T_COFF_DefSymbol_Secdef("b", COFF_ComdatSelect_NoDuplicates),
T_COFF_DefSymbol_Secdef("c", COFF_ComdatSelect_NoDuplicates),
T_COFF_DefSymbol_Secdef("d", COFF_ComdatSelect_NoDuplicates),
T_COFF_DefSymbol_Extern("a", "a", 0),
T_COFF_DefSymbol_Extern("b", "b", 0),
T_COFF_DefSymbol_Extern("c", "c", 0),
T_COFF_DefSymbol_Extern("d", "d", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:a /out:a.exe /opt:icf a.obj");
T_Ok(g_last_exit_code == 0);
// validate output
{
U8 expected_text[] = {
0xe8, 0x0b, 0x00, 0x00, 0x00,
0xe8, 0x06, 0x00, 0x00, 0x00,
0xc3,
0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
0xe8, 0x0b, 0x00, 0x00, 0x00,
0xc3,
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
0x48, 0x31, 0xc0,
0xc3
};
String8 exe = t_read_file(arena, str8_lit("a.exe"));
T_Ok(exe.size);
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_section = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_section);
T_Ok(text_section->foff + sizeof(expected_text) <= exe.size);
String8 text = str8_substr(exe, r1u64(text_section->foff, text_section->foff + text_section->vsize));
T_Ok(str8_match(text, str8_array_fixed(expected_text), 0));
}
}
TEST(cyclic_icf)
{
U8 text[] = {
0xe8, 0x00, 0x00, 0x00, 0x00,
0xc3
};
T_Ok(t_write_def_obj("a.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"a", ".text", str8_array_fixed(text), .flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 1, "b"),
{0}
}
},
{
"b", ".text", str8_array_fixed(text), .flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 1, "a"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("a", "a", 0),
T_COFF_DefSymbol_Static("b", "b", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /out:a.exe /entry:a /opt:icf a.obj");
T_Ok(g_last_exit_code == 0);
// validate output
{
U8 expected_text[] = {
0xe8, 0x0b, 0x00, 0x00, 0x00, // a
0xc3,
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
0xe8, 0xeb, 0xff, 0xff, 0xff, // b
0xc3,
};
String8 exe = t_read_file(arena, str8_lit("a.exe"));
T_Ok(exe.size);
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_section = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_section);
T_Ok(text_section->foff + sizeof(expected_text) <= exe.size);
String8 text = str8_substr(exe, r1u64(text_section->foff, text_section->foff + text_section->vsize));
T_Ok(str8_match(text, str8_array_fixed(expected_text), 0));
}
}
TEST(fold_with_largest_align)
{
U8 text[] = {
0x48, 0xc7, 0xc0, 0x01, 0x00, 0x00, 0x00, // mov rax, 1
0xc3
};
U8 call_a_and_b[] = {
0xe8, 0x00, 0x00, 0x00, 0x00,
0xe8, 0x00, 0x00, 0x00, 0x00,
0xc3
};
String8 a_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"entry", ".text", str8_array_fixed(call_a_and_b), .flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 1, "a"),
T_COFF_DefReloc(X64_Rel32, 6, "b"),
{0}
}
},
{ "a", ".text", str8_array_fixed(text), .flags = "rx:code@4", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{ "b", ".text", str8_array_fixed(text), .flags = "rx:code@8", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("a", COFF_ComdatSelect_NoDuplicates),
T_COFF_DefSymbol_Secdef("b", COFF_ComdatSelect_NoDuplicates),
T_COFF_DefSymbol_Extern("entry", "entry", 0),
T_COFF_DefSymbol_Static("a", "a", 0),
T_COFF_DefSymbol_Static("b", "b", 0),
{0}
}
});
// swap sections for a and b
String8 b_obj = t_coff_from_def_obj(arena, (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"entry", ".text", str8_array_fixed(call_a_and_b), .flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 1, "a"),
T_COFF_DefReloc(X64_Rel32, 6, "b"),
{0}
}
},
{ "a", ".text", str8_array_fixed(text), .flags = "rx:code@8", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{ "b", ".text", str8_array_fixed(text), .flags = "rx:code@4", .raw_flags = COFF_SectionFlag_LnkCOMDAT },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Secdef("a", COFF_ComdatSelect_NoDuplicates),
T_COFF_DefSymbol_Secdef("b", COFF_ComdatSelect_NoDuplicates),
T_COFF_DefSymbol_Extern("entry", "entry", 0),
T_COFF_DefSymbol_Static("a", "a", 0),
T_COFF_DefSymbol_Static("b", "b", 0),
{0}
}
});
T_Ok(t_write_file(str8_lit("a.obj"), a_obj));
T_Ok(t_write_file(str8_lit("b.obj"), b_obj));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe a.obj");
T_Ok(g_last_exit_code == 0);
t_invoke_linkerf("/subsystem:console /entry:entry /out:b.exe b.obj");
T_Ok(g_last_exit_code == 0);
U8 expected_text[] = {
0xe8, 0x0b, 0x00, 0x00, 0x00,
0xe8, 0x06, 0x00, 0x00, 0x00,
0xc3,
0xcc,
0xcc,
0xcc,
0xcc,
0xcc,
0x48, 0xc7, 0xc0, 0x01, 0x00, 0x00,
0x00,
0xc3,
};
// validate output in a.exe
{
String8 exe = t_read_file(arena, str8_lit("a.exe"));
T_Ok(exe.size);
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_section = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_section);
T_Ok(text_section->foff + sizeof(expected_text) <= exe.size);
String8 text = str8_substr(exe, r1u64(text_section->foff, text_section->foff + text_section->vsize));
T_Ok(str8_match(text, str8_array_fixed(expected_text), 0));
}
// validate output in b.exe
{
String8 exe = t_read_file(arena, str8_lit("b.exe"));
T_Ok(exe.size);
PE_BinInfo pe = pe_bin_info_from_data(arena, exe);
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(exe, pe.section_table_range).str;
String8 string_table = str8_substr(exe, pe.string_table_range);
COFF_SectionHeader *text_section = coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
T_Ok(text_section);
T_Ok(text_section->foff + sizeof(expected_text) <= exe.size);
String8 text = str8_substr(exe, r1u64(text_section->foff, text_section->foff + text_section->vsize));
T_Ok(str8_match(text, str8_array_fixed(expected_text), 0));
}
}
#endif
#if 0
TEST(defer_imp_link)
{
T_COFF_DefLib bar_lib_any = {
.members = (T_COFF_DefLibMember[]){
{
.type = T_COFF_DefLibMember_DllImportStatic,
.dll_import = { .name = "bar.dll" }
},
{
.type = T_COFF_DefLibMember_Import,
.import = { "bar.dll", "bar", COFF_ImportBy_Name, COFF_ImportHeader_Code, .hit_or_ordinal = 0 }
},
{
.type = T_COFF_DefLibMember_Obj,
.obj = {
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text", str8_lit_comp("\xff\x25\x00\x00\x00\x00"), .flags = "rx:code"
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("__imp_bar"),
T_COFF_DefSymbol_ExternFunc("qwe", "text", 0),
{0},
}
}
},
{0}
}
};
T_COFF_DefLib foo_lib_any = {
.members = (T_COFF_DefLibMember[]){
{
.type = T_COFF_DefLibMember_DllImportStatic,
.dll_import = { .name = "foo.dll" }
},
{
.type = T_COFF_DefLibMember_Import,
.import = { "foo.dll", "bar", COFF_ImportBy_Name, COFF_ImportHeader_Code, .hit_or_ordinal = 0 }
},
{
.type = T_COFF_DefLibMember_Obj,
.obj = {
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text",
str8_lit_comp("\xff\x25\x00\x00\x00\x00"),
.flags = "rx:code",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Rel32, 2, "bar"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Undef("bar"),
T_COFF_DefSymbol_Undef("qwe"),
T_COFF_DefSymbol_ExternFunc("thunk", "text", 0),
{0},
}
}
},
{0}
}
};
String8 bar_lib = t_coff_from_def_lib(arena, bar_lib_any);
String8 foo_lib = t_coff_from_def_lib(arena, foo_lib_any);
T_Ok(t_write_file(str8_lit("bar.lib"), bar_lib));
T_Ok(t_write_file(str8_lit("foo.lib"), foo_lib));
T_Ok(t_write_entry_obj());
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe bar.lib foo.lib entry.obj /include:thunk");
T_Ok(g_last_exit_code == 0);
}
#endif
#if 0
TEST(reloc_apply_off_out_of_bounds)
{
T_Ok(t_write_def_obj("bad.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"text", ".text", str8_lit_comp("\x00\x00\x00\x00"), .flags = "rx:code@1",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, max_U32, "target"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsStatic("target", 0),
T_COFF_DefSymbol_Extern("entry", "text", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe bad.obj");
T_Ok(g_last_exit_code != 0);
}
#endif
#if 0
TEST(lib_member_reloc_apply_off_out_of_bounds)
{
T_Ok(t_write_def_lib("bad.lib", (T_COFF_DefLib){
.emit_second_member = 1,
.members = (T_COFF_DefLibMember[]){
{
.type = T_COFF_DefLibMember_Obj,
.obj = {
.path = str8_lit("bad_member.obj"),
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{
"data", ".data", str8_lit_comp("\x00\x00\x00\x00"), .flags = "rw:data@1",
.relocs = (T_COFF_DefReloc[]){
T_COFF_DefReloc(X64_Addr32, max_U32, "target"),
{0}
}
},
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_AbsStatic("target", 0),
T_COFF_DefSymbol_Extern("bad", "data", 0),
{0}
}
}
},
{0}
}
}));
T_Ok(t_write_def_obj("entry.obj", (T_COFF_DefObj){
.machine = T_COFF_DefSetMachine(X64),
.sections = (T_COFF_DefSection[]){
{ "text", ".text", str8_lit_comp("\xC3"), .flags = "rx:code@1" },
{0}
},
.symbols = (T_COFF_DefSymbol[]){
T_COFF_DefSymbol_Extern("entry", "text", 0),
{0}
}
}));
t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe /include:bad entry.obj bad.lib");
T_Ok(g_last_exit_code != 0);
}
#endif
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