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more validity checks in simple_link_test

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This commit is contained in:
Nikita Smith
2025-06-25 10:53:24 -07:00
committed by Ryan Fleury
parent c4a36f73dc
commit fe967a3d36
1 changed files with 60 additions and 53 deletions
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src/torture/torture.c
+60 -53
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@@ -614,61 +614,68 @@ t_simple_link_test(void)
int virt_align = 4096; int virt_align = 4096;
String8 out_name = str8_lit("a.exe"); String8 out_name = str8_lit("a.exe");
int linker_exit_code = 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); int linker_exit_code = 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);
if (linker_exit_code == 0) { if (linker_exit_code != 0) {
String8 exe = t_read_file(scratch.arena, out_name); goto exit;
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);
if (pe.is_pe32) {
goto exit;
}
if (pe.section_count == 0) {
goto exit;
}
if (pe.arch != Arch_x64) {
goto exit;
}
if (pe.subsystem != PE_WindowsSubsystem_WINDOWS_CUI) {
goto exit;
}
if (pe.virt_section_align != virt_align) {
goto exit;
}
if (pe.file_section_align != file_align) {
goto exit;
}
if (pe.symbol_count != 0) {
goto exit;
}
// check section alignment
for (U64 sect_idx = 0; sect_idx < pe.section_count; sect_idx += 1) {
COFF_SectionHeader *sect_header = &section_table[sect_idx];
if (AlignPadPow2(sect_header->fsize, file_align) != 0) {
goto exit;
}
if (AlignPadPow2(sect_header->voff, virt_align) != 0) {
goto exit;
}
}
COFF_SectionHeader *text_section = t_coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
if (!text_section) {
goto exit;
}
if (text_section->foff != file_align) {
goto exit;
}
String8 text_data = str8_substr(exe, rng_1u64(text_section->foff, text_section->foff + text_section->vsize));
if (!str8_match(text_data, str8_array_fixed(text_payload), 0)) {
goto exit;
}
result = T_Result_Pass;
} }
String8 exe = t_read_file(scratch.arena, out_name);
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);
if (pe.is_pe32) {
goto exit;
}
if (pe.section_count != 1) {
goto exit;
}
if (pe.arch != Arch_x64) {
goto exit;
}
if (pe.subsystem != PE_WindowsSubsystem_WINDOWS_CUI) {
goto exit;
}
if (pe.virt_section_align != virt_align) {
goto exit;
}
if (pe.file_section_align != file_align) {
goto exit;
}
if (pe.symbol_count != 0) {
goto exit;
}
if (pe.data_dir_count != PE_DataDirectoryIndex_COUNT) {
goto exit;
}
// check section alignment
for (U64 sect_idx = 0; sect_idx < pe.section_count; sect_idx += 1) {
COFF_SectionHeader *sect_header = &section_table[sect_idx];
if (AlignPadPow2(sect_header->fsize, file_align) != 0) {
goto exit;
}
if (AlignPadPow2(sect_header->voff, virt_align) != 0) {
goto exit;
}
}
COFF_SectionHeader *text_section = t_coff_section_header_from_name(string_table, section_table, pe.section_count, str8_lit(".text"));
if (!text_section) {
goto exit;
}
if (text_section->foff != file_align) {
goto exit;
}
if (pe.entry_point != text_section->voff) {
goto exit;
}
String8 text_data = str8_substr(exe, rng_1u64(text_section->foff, text_section->foff + text_section->vsize));
if (!str8_match(text_data, str8_array_fixed(text_payload), 0)) {
goto exit;
}
result = T_Result_Pass;
exit:; exit:;
scratch_end(scratch); scratch_end(scratch);
return result; return result;