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defer import link test

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This commit is contained in:
Nikita Smith
2026-01-20 15:27:40 -08:00
parent 1c0e9030fa
commit 85df75c30b
1 changed files with 60 additions and 0 deletions
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src/torture/torture.c
+60
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@@ -4870,6 +4870,65 @@ exit:;
return result; return result;
} }
internal T_Result
t_defer_impl_link_to_second_search_pass(void)
{
Temp scratch = scratch_begin(0,0);
T_Result result = T_Result_Fail;
String8 imp_ref_obj;
{
COFF_ObjWriter *obj_writer = coff_obj_writer_alloc(0, COFF_MachineType_X64);
U8 text[] = { 0xc3 };
COFF_ObjSection *sect = coff_obj_writer_push_section(obj_writer, str8_lit(".text"), PE_TEXT_SECTION_FLAGS, str8_array_fixed(text));
coff_obj_writer_push_symbol_extern_func(obj_writer, str8_lit("entry"), 0, sect);
coff_obj_writer_push_symbol_undef(obj_writer, str8_lit("__imp_foo"));
coff_obj_writer_push_symbol_undef(obj_writer, str8_lit("func")); // force linker to pull obj from the lib
imp_ref_obj = coff_obj_writer_serialize(scratch.arena, obj_writer);
coff_obj_writer_release(&obj_writer);
}
String8 impl_ref_obj;
{
COFF_ObjWriter *obj_writer = coff_obj_writer_alloc(0, COFF_MachineType_X64);
U8 text[] = { 0xc3 };
COFF_ObjSection *sect = coff_obj_writer_push_section(obj_writer, str8_lit(".text"), PE_TEXT_SECTION_FLAGS, str8_array_fixed(text));
coff_obj_writer_push_symbol_extern_func(obj_writer, str8_lit("func"), 0, sect);
coff_obj_writer_push_symbol_undef(obj_writer, str8_lit("foo")); // on a second search pass force linker to look up same import
impl_ref_obj = coff_obj_writer_serialize(scratch.arena, obj_writer);
coff_obj_writer_release(&obj_writer);
}
String8 impl_ref_lib;
{
COFF_LibWriter *lib_writer = coff_lib_writer_alloc();
coff_lib_writer_push_obj(lib_writer, str8_lit("impl_ref.obj"), impl_ref_obj);
impl_ref_lib = coff_lib_writer_serialize(scratch.arena, lib_writer, 0, 0, 1);
coff_lib_writer_release(&lib_writer);
}
String8 foo_lib;
{
COFF_LibWriter *lib_writer = coff_lib_writer_alloc();
coff_lib_writer_push_import(lib_writer, COFF_MachineType_X64, ~0u, str8_lit("foo.dll"), COFF_ImportBy_Name, str8_lit("foo"), 0, COFF_ImportHeader_Code);
foo_lib = coff_lib_writer_serialize(scratch.arena, lib_writer, 0, 0, 1);
coff_lib_writer_release(&lib_writer);
}
if (!t_write_file(str8_lit("imp_ref.obj"), imp_ref_obj)) { goto exit; }
if (!t_write_file(str8_lit("impl_ref.lib"), impl_ref_lib)) { goto exit; }
if (!t_write_file(str8_lit("foo.lib"), foo_lib)) { goto exit; }
if (!t_write_file(str8_lit("foo2.lib"), foo_lib)) { goto exit; }
int linker_exit_code = t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe foo.lib foo2.lib imp_ref.obj impl_ref.lib");
if (linker_exit_code != 0) { goto exit; }
result = T_Result_Pass;
exit:;
scratch_end(scratch);
return result;
}
internal T_Result internal T_Result
t_opt_ref_dangling_section(void) t_opt_ref_dangling_section(void)
{ {
@@ -5276,6 +5335,7 @@ entry_point(CmdLine *cmdline)
T(function_pad_min), T(function_pad_min),
T(first_member_header), T(first_member_header),
T(second_member_header), T(second_member_header),
T(defer_impl_link_to_second_search_pass),
// DWARF Expression Tests // DWARF Expression Tests
T(value_in_register), T(value_in_register),