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test GSI

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This commit is contained in:
Nikita Smith
2026-04-16 16:46:53 -07:00
parent e1ab7f4955
commit 270d73220f
3 changed files with 100 additions and 18 deletions
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src/linker/codeview_ext/codeview.c
+37
View File
@@ -397,6 +397,43 @@ cv_make_end(Arena *arena)
return str8_zero();
}
internal String8
cv_make_data32(Arena *arena, CV_SymData32 data, String8 name)
{
U64 buf_size = sizeof(data) + name.size + 1;
U8 *buf = push_array(arena, U8, buf_size);
CV_SymData32 *data_dst = (CV_SymData32 *)buf;
MemoryCopy(data_dst, &data, sizeof(data));
MemoryCopy(data_dst + 1, name.str, name.size);
buf[sizeof(data) + name.size] = 0;
return str8(buf, buf_size);
}
internal String8
cv_make_const(Arena *arena, CV_SymConstant v, U16 value, String8 name)
{
U64 buf_size = sizeof(v) + sizeof(value) + name.size + 1;
U8 *buf = push_array(arena, U8, buf_size);
CV_SymConstant *data_dst = (CV_SymConstant *)buf;
MemoryCopy(buf, &v, sizeof(v));
MemoryCopy(buf + sizeof(v), &value, sizeof(value));
MemoryCopy(buf + sizeof(v) + sizeof(value), name.str, name.size);
buf[sizeof(v) + sizeof(value) + name.size] = 0;
return str8(buf, buf_size);
}
internal String8
cv_make_udt(Arena *arena, CV_SymUDT v, String8 name)
{
U64 buf_size = sizeof(v) + name.size + 1;
U8 *buf = push_array(arena, U8, buf_size);
CV_SymUDT *data_dst = (CV_SymUDT *)buf;
MemoryCopy(data_dst, &v, sizeof(v));
MemoryCopy(data_dst + 1, name.str, name.size);
buf[sizeof(v) + name.size] = 0;
return str8(buf, buf_size);
}
internal String8
cv_make_inline_site(Arena *arena, CV_SymInlineSite inline_site, String8 annots)
{
src/linker/codeview_ext/codeview.h
+10 -7
View File
@@ -353,13 +353,16 @@ internal CV_Symbol cv_symbol_from_ptr(U8 *ptr);
internal String8 cv_raw_from_symbol(void *ptr);
internal B32 cv_symbol_match(CV_Symbol a, CV_Symbol b);
internal String8 cv_make_symbol(Arena *arena, CV_SymKind kind, String8 data);
internal String8 cv_make_obj_name(Arena *arena, String8 obj_path, U32 sig);
internal String8 cv_make_comp3(Arena *arena, CV_Compile3Flags flags, CV_Language lang, CV_Arch arch, U16 ver_fe_major, U16 ver_fe_minor, U16 ver_fe_build, U16 ver_feqfe, U16 ver_major, U16 ver_minor, U16 ver_build, U16 ver_qfe, String8 version_string);
internal String8 cv_make_envblock(Arena *arena, String8List string_list);
internal String8 cv_make_end(Arena *arena);
internal CV_Symbol cv_make_proc_ref(Arena *arena, CV_ModIndex imod, U32 stream_offset, String8 name, B32 is_local);
internal CV_Symbol cv_make_pub32(Arena *arena, CV_Pub32Flags flags, U32 off, U16 isect, String8 name);
internal String8 cv_make_symbol(Arena *arena, CV_SymKind kind, String8 data);
internal String8 cv_make_obj_name(Arena *arena, String8 obj_path, U32 sig);
internal String8 cv_make_comp3(Arena *arena, CV_Compile3Flags flags, CV_Language lang, CV_Arch arch, U16 ver_fe_major, U16 ver_fe_minor, U16 ver_fe_build, U16 ver_feqfe, U16 ver_major, U16 ver_minor, U16 ver_build, U16 ver_qfe, String8 version_string);
internal String8 cv_make_envblock(Arena *arena, String8List string_list);
internal String8 cv_make_end(Arena *arena);
internal String8 cv_make_data32(Arena *arena, CV_SymData32 data, String8 name);
internal String8 cv_make_const(Arena *arena, CV_SymConstant v, U16 value, String8 name);
internal String8 cv_make_udt(Arena *arena, CV_SymUDT v, String8 name);
internal CV_Symbol cv_make_proc_ref(Arena *arena, CV_ModIndex imod, U32 stream_offset, String8 name, B32 is_local);
internal CV_Symbol cv_make_pub32(Arena *arena, CV_Pub32Flags flags, U32 off, U16 isect, String8 name);
internal U64 cv_read_symbol(String8 raw_data, U64 off, U64 align, CV_Symbol *symbol_out);
internal CV_Symbol cv_symbol_from_string(String8 raw_data);
src/torture/torture_radlink.c
+53 -11
View File
@@ -4630,6 +4630,25 @@ TEST(get_msf_stream_pages)
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;
@@ -4644,16 +4663,8 @@ TEST(validate_info_stream)
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);
}
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);
T_Ok(msf_build(pdb->msf) == MSF_Error_OK);
String8List raw_msf_list = msf_get_page_data_nodes(arena, pdb->msf);
T_Ok(t_write_file_list(str8_lit("test.pdb"), raw_msf_list));
String8 raw_msf = t_read_file(arena, str8_lit("test.pdb"));
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);
@@ -4677,8 +4688,39 @@ TEST(validate_info_stream)
T_Ok(str8_match(info_data, str8_array_fixed(expected_info_data), 0));
pdb_release(pdb);
tp_arena_release(&tp_arena);
tp_release(tp);
}
TEST(validate_gsi)
{
PDB_Context *pdb = pdb_alloc(MSF_DEFAULT_PAGE_SIZE, COFF_MachineType_X64, 123, 1, (Guid){ .data1 = max_U32, .data2 = max_U16 - 1, .data3 = max_U16 - 2, .data4 = { 1, 2, 3, 4, 5, 6, 7, 8 } });
CV_Symbol symbols[] = {
cv_symbol_from_ptr(cv_make_symbol(arena, CV_SymKind_GDATA32, cv_make_data32(arena, (CV_SymData32){ .itype = 0x41bd, .off = 0x25440, .sec = 2 }, str8_lit("__newclmap"))).str),
cv_symbol_from_ptr(cv_make_symbol(arena, CV_SymKind_CONSTANT, cv_make_const(arena, (CV_SymConstant){ .itype = 0x2348 }, 263, str8_lit("CV_SymKind_BLOCK16"))).str),
cv_symbol_from_ptr(cv_make_symbol(arena, CV_SymKind_GDATA32, cv_make_data32(arena, (CV_SymData32){ .itype = 0, .off = 123, .sec = 1 }, str8_lit("coffeebabe"))).str),
cv_symbol_from_ptr(cv_make_symbol(arena, CV_SymKind_GDATA32, cv_make_data32(arena, (CV_SymData32){ .itype = 0, .off = 123, .sec = 1 }, str8_lit("deadbeef"))).str),
};
for EachElement(i, symbols) { gsi_push(pdb->gsi, &symbols[i]); }
String8 raw_pdb = data_from_pdb(arena, 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) {
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);
T_Ok(cv_symbol_match(test_symbol, symbols[i]));
}
pdb_release(pdb);
}
TEST(patch_cv_symbol_tree)