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test case for relocation to undefined section with base relocations

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This commit is contained in:
Nikita Smith
2025-06-25 10:53:22 -07:00
committed by Ryan Fleury
parent f25dc5cc8d
commit bd830a6023
2 changed files with 75 additions and 41 deletions
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src/torture/torture.c
+63 -19
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@@ -40,6 +40,7 @@
#include "linker/lnk_cmd_line.h"
#include "linker/lnk_cmd_line.c"
#include "linker/lnk_error.h"
#include "linker/lnk_image_section_flags.h"
////////////////////////////////
@@ -295,19 +296,19 @@ typedef enum
internal COFF_ObjSection *
t_push_text_section(COFF_ObjWriter *obj_writer, String8 data)
{
return coff_obj_writer_push_section(obj_writer, str8_lit(".text"), COFF_SectionFlag_CntCode|COFF_SectionFlag_MemRead|COFF_SectionFlag_MemExecute|COFF_SectionFlag_Align1Bytes, data);
return coff_obj_writer_push_section(obj_writer, str8_lit(".text"), LNK_TEXT_SECTION_FLAGS, data);
}
internal COFF_ObjSection *
t_push_data_section(COFF_ObjWriter *obj_writer, String8 data)
{
return coff_obj_writer_push_section(obj_writer, str8_lit(".data"), COFF_SectionFlag_CntInitializedData|COFF_SectionFlag_MemRead|COFF_SectionFlag_MemWrite|COFF_SectionFlag_Align1Bytes, data);
return coff_obj_writer_push_section(obj_writer, str8_lit(".data"), LNK_DATA_SECTION_FLAGS, data);
}
internal COFF_ObjSection *
t_push_rdata_section(COFF_ObjWriter *obj_writer, String8 data)
{
return coff_obj_writer_push_section(obj_writer, str8_lit(".rdata"), COFF_SectionFlag_CntInitializedData|COFF_SectionFlag_MemRead|COFF_SectionFlag_Align1Bytes, data);
return coff_obj_writer_push_section(obj_writer, str8_lit(".rdata"), LNK_RDATA_SECTION_FLAGS, data);
}
internal T_Result
@@ -837,12 +838,12 @@ t_undef_section(void)
COFF_ObjWriter *obj_writer = coff_obj_writer_alloc(0, COFF_MachineType_X64);
U8 data[] = { 0, 0, 0, 0 };
COFF_ObjSection *data_section = coff_obj_writer_push_section(obj_writer, str8_lit(".data"), COFF_SectionFlag_CntInitializedData|COFF_SectionFlag_MemRead|COFF_SectionFlag_MemWrite, str8_array_fixed(data));
COFF_ObjSection *data_section = t_push_data_section(obj_writer, str8_array_fixed(data));
COFF_ObjSymbol *foo = coff_obj_writer_push_symbol_undef_section(obj_writer, str8_lit(".mysect"), COFF_SectionFlag_CntInitializedData|COFF_SectionFlag_MemRead);
coff_obj_writer_section_push_reloc(obj_writer, data_section, 0, foo, COFF_Reloc_X64_Addr32Nb);
U8 text[] = { 0xC3 };
COFF_ObjSection *text_section = coff_obj_writer_push_section(obj_writer, str8_lit(".text"), COFF_SectionFlag_CntCode|COFF_SectionFlag_MemRead|COFF_SectionFlag_MemExecute, str8_array_fixed(text));
COFF_ObjSection *text_section = t_push_text_section(obj_writer, str8_array_fixed(text));
coff_obj_writer_push_symbol_extern(obj_writer, str8_lit("my_entry"), 0, text_section);
main_obj = coff_obj_writer_serialize(scratch.arena, obj_writer);
@@ -880,6 +881,48 @@ t_undef_section(void)
return result;
}
internal T_Result
t_undef_reloc_section(void)
{
Temp scratch = scratch_begin(0,0);
T_Result result = T_Result_Fail;
String8 main_obj;
{
COFF_ObjWriter *obj_writer = coff_obj_writer_alloc(0, COFF_MachineType_X64);
U8 data[] = { 0, 0, 0, 0 };
COFF_ObjSection *data_section = t_push_data_section(obj_writer, str8_array_fixed(data));
COFF_ObjSymbol *foo = coff_obj_writer_push_symbol_undef_section(obj_writer, str8_lit(".reloc"), LNK_RELOC_SECTION_FLAGS);
coff_obj_writer_section_push_reloc(obj_writer, data_section, 0, foo, COFF_Reloc_X64_Addr32Nb);
U8 text[] = { 0xC3 };
COFF_ObjSection *text_section = coff_obj_writer_push_section(obj_writer, str8_lit(".text"), LNK_TEXT_SECTION_FLAGS, str8_array_fixed(text));
coff_obj_writer_push_symbol_extern(obj_writer, str8_lit("my_entry"), 0, text_section);
main_obj = coff_obj_writer_serialize(scratch.arena, obj_writer);
coff_obj_writer_release(&obj_writer);
}
U8 payload[] = { 1, 2, 3 };
String8 sec_defn_obj = t_make_sec_defn_obj(scratch.arena, str8_array_fixed(payload));
t_write_file(str8_lit("main.obj"), main_obj);
t_write_file(str8_lit("sec_defn.obj"), sec_defn_obj);
int linker_exit_code = t_invoke_linker(str8_lit("/subsystem:console /entry:my_entry /out:a.exe main.obj sec_defn.obj"));
if (linker_exit_code == 0) {
goto exit;
}
result = T_Result_Pass;
exit:;
scratch_end(scratch);
return result;
}
internal T_Result
t_find_merged_pdata(void)
{
@@ -1043,7 +1086,7 @@ t_flag_conf(void)
}
}
int linker_exit_code = t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe data.obj conf.obj entry.obj");
int linker_exit_code = t_invoke_linkerf("/subsystem:console /entry:my_entry /out:a.exe conf.obj entry.obj");
if (linker_exit_code != 0) {
goto exit;
}
@@ -1542,19 +1585,20 @@ entry_point(CmdLine *cmdline)
char *label;
T_Result (*r)(void);
} target_array[] = {
{ "simple_link_test", t_simple_link_test },
{ "undef_section", t_undef_section },
{ "abs_vs_weak", t_abs_vs_weak },
{ "abs_vs_regular", t_abs_vs_regular },
{ "abs_vs_common", t_abs_vs_common },
{ "undef_weak", t_undef_weak },
{ "weak_cycle", t_weak_cycle },
{ "weak_tag", t_weak_tag },
{ "find_merged_pdata", t_find_merged_pdata },
{ "section_sort", t_section_sort },
{ "flag_conf", t_flag_conf },
{ "invalid_bss", t_invalid_bss },
{ "common_block", t_common_block },
{ "simple_link_test", t_simple_link_test },
{ "undef_section", t_undef_section },
{ "undef_reloc_section", t_undef_reloc_section },
{ "abs_vs_weak", t_abs_vs_weak },
{ "abs_vs_regular", t_abs_vs_regular },
{ "abs_vs_common", t_abs_vs_common },
{ "undef_weak", t_undef_weak },
{ "weak_cycle", t_weak_cycle },
{ "weak_tag", t_weak_tag },
{ "find_merged_pdata", t_find_merged_pdata },
{ "section_sort", t_section_sort },
{ "flag_conf", t_flag_conf },
{ "invalid_bss", t_invalid_bss },
{ "common_block", t_common_block },
//{ "base_relocs", t_base_relocs },
{ "simple_lib_test", t_simple_lib_test },
{ "import_export", t_import_export },