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opt ref test

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This commit is contained in:
Nikita Smith
2025-07-23 13:00:39 -07:00
parent 2d52e274ce
commit 6cc5be0065
1 changed files with 83 additions and 0 deletions
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src/torture/torture.c
+83
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@@ -3809,6 +3809,88 @@ exit:;
return result;
}
internal T_Result
t_opt_ref_dangling_section(void)
{
Temp scratch = scratch_begin(0,0);
T_Result result = T_Result_Fail;
String8 entry_obj;
{
COFF_ObjWriter *obj_writer = coff_obj_writer_alloc(0, COFF_MachineType_X64);
U8 text[] = {
0x48, 0xC7, 0xC0, 0x00, 0x00, 0x00, 0x00, // mov rax, $imm
0xC3 // ret
};
COFF_ObjSection *sect = coff_obj_writer_push_section(obj_writer, str8_lit(".text"), PE_TEXT_SECTION_FLAGS, str8_array_fixed(text));
COFF_ObjSymbol *symbol = coff_obj_writer_push_symbol_undef(obj_writer, str8_lit("f"));
coff_obj_writer_section_push_reloc_voff(obj_writer, sect, 0, symbol);
coff_obj_writer_push_symbol_extern(obj_writer, str8_lit("entry"), 0, sect);
entry_obj = coff_obj_writer_serialize(scratch.arena, obj_writer);
coff_obj_writer_release(&obj_writer);
}
String8 a_obj;
{
COFF_ObjWriter *obj_writer = coff_obj_writer_alloc(0, COFF_MachineType_X64);
U8 data[] = "A0000";
COFF_ObjSection *sect = coff_obj_writer_push_section(obj_writer, str8_lit(".data"), PE_DATA_SECTION_FLAGS | COFF_SectionFlag_LnkCOMDAT, str8_array_fixed(data));
COFF_ObjSymbol *q = coff_obj_writer_push_symbol_undef(obj_writer, str8_lit("q"));
coff_obj_writer_section_push_reloc_voff(obj_writer, sect, 0, q);
coff_obj_writer_push_symbol_secdef(obj_writer, sect, COFF_ComdatSelect_Largest);
coff_obj_writer_push_symbol_extern(obj_writer, str8_lit("f"), 0, sect);
a_obj = coff_obj_writer_serialize(scratch.arena, obj_writer);
coff_obj_writer_release(&obj_writer);
}
String8 b_obj;
{
COFF_ObjWriter *obj_writer = coff_obj_writer_alloc(0, COFF_MachineType_X64);
U8 q[] = { 1,2,3,4};
COFF_ObjSection *q_sect = coff_obj_writer_push_section(obj_writer, str8_lit(".q"), PE_DATA_SECTION_FLAGS, str8_array_fixed(q));
coff_obj_writer_push_symbol_extern(obj_writer, str8_lit("q"), 0, q_sect);
U8 data[] = "BBBBBBBBBBBBBBB";
COFF_ObjSection *sect = coff_obj_writer_push_section(obj_writer, str8_lit(".data"), PE_DATA_SECTION_FLAGS | COFF_SectionFlag_LnkCOMDAT, str8_array_fixed(data));
coff_obj_writer_push_symbol_secdef(obj_writer, sect, COFF_ComdatSelect_Largest);
coff_obj_writer_push_symbol_extern(obj_writer, str8_lit("f"), 0, sect);
b_obj = coff_obj_writer_serialize(scratch.arena, obj_writer);
coff_obj_writer_release(&obj_writer);
}
String8List b_lib;
{
COFF_LibWriter *lib_writer = coff_lib_writer_alloc();
coff_lib_writer_push_obj(lib_writer, str8_lit("b.obj"), b_obj);
b_lib = coff_lib_writer_serialize(scratch.arena, lib_writer, 0, 0, 1);
coff_lib_writer_release(&lib_writer);
}
if (!t_write_file(str8_lit("entry.obj"), entry_obj)) { goto exit; }
if (!t_write_file(str8_lit("a.obj"), a_obj)) { goto exit; }
if (!t_write_file_list(str8_lit("b.lib"), b_lib)) { goto exit; }
int linker_exit_code = t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe entry.obj a.obj b.lib");
if (linker_exit_code != 0) { goto exit; }
String8 exe = t_read_file(scratch.arena, str8_lit("a.exe"));
PE_BinInfo pe = pe_bin_info_from_data(scratch.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 = t_coff_section_header_from_name(exe, section_table, pe.section_count, str8_lit(".q"));
if (sect != 0) { goto exit; }
result = T_Result_Pass;
exit:;
scratch_end(scratch);
return result;
}
////////////////////////////////////////////////////////////////
internal void
@@ -3868,6 +3950,7 @@ entry_point(CmdLine *cmdline)
{ "empty_section", t_empty_section },
{ "removed_section", t_removed_section },
{ "function_pad_min", t_function_pad_min },
//{ "opt_ref_dangling_section", t_opt_ref_dangling_section },
//{ "import_export", t_import_export },
};