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COFF parser fixes

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This commit is contained in:
Nikita Smith
2025-01-15 10:25:16 -08:00
parent 25f924b075
commit 1f8433096a
1 changed files with 38 additions and 37 deletions
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src/coff/coff.c
+38 -37
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@@ -953,9 +953,9 @@ coff_parse_archive_member_header(String8 data, U64 offset, B32 is_regular_archiv
size = str8_skip_chop_whitespace(size); size = str8_skip_chop_whitespace(size);
header_out->name = name; header_out->name = name;
header_out->time_stamp = s32_from_str8(date, 10); header_out->time_stamp = u32_from_str8(date, 10);
header_out->user_id = s32_from_str8(user_id, 10); header_out->user_id = u32_from_str8(user_id, 10);
header_out->group_id = s32_from_str8(group_id, 10); header_out->group_id = u32_from_str8(group_id, 10);
header_out->mode = mode; header_out->mode = mode;
header_out->is_end_correct = str8_match(end, end_magic, 0); header_out->is_end_correct = str8_match(end, end_magic, 0);
header_out->data_range = rng_1u64(cursor, cursor + u32_from_str8(size, 10)); header_out->data_range = rng_1u64(cursor, cursor + u32_from_str8(size, 10));
@@ -1028,41 +1028,42 @@ coff_parse_first_archive_member(COFF_ArchiveMember *member)
internal COFF_ArchiveSecondMember internal COFF_ArchiveSecondMember
coff_parse_second_archive_member(COFF_ArchiveMember *member) coff_parse_second_archive_member(COFF_ArchiveMember *member)
{ {
Assert(str8_match(member->header.name, str8_lit("/"), 0));
U64 cursor = 0;
U32 member_count = 0;
cursor += str8_deserial_read_struct(member->data, cursor, &member_count);
Rng1U64 member_offsets_range = rng_1u64(cursor, cursor + member_count * sizeof(U32));
cursor += dim_1u64(member_offsets_range);
U32 symbol_count = 0;
cursor += str8_deserial_read_struct(member->data, cursor, &symbol_count);
Rng1U64 symbol_indices_range = rng_1u64(cursor, cursor + symbol_count * sizeof(U16));
cursor += dim_1u64(symbol_indices_range);
Rng1U64 string_table_range = rng_1u64(cursor, member->data.size);
String8 raw_member_offsets = str8_substr(member->data, member_offsets_range);
String8 raw_indices = str8_substr(member->data, symbol_indices_range);
U32 *member_offsets = (U32 *)raw_member_offsets.str;
U64 member_offset_count = raw_member_offsets.size / sizeof(member_offsets[0]);
U16 *symbol_indices = (U16 *)raw_indices.str;
U64 symbol_index_count = raw_indices.size / sizeof(symbol_indices[0]);
COFF_ArchiveSecondMember result = {0}; COFF_ArchiveSecondMember result = {0};
result.member_count = member_count;
result.symbol_count = symbol_count; if (str8_match(member->header.name, str8_lit("/"), 0)) {
result.member_offsets = member_offsets; U64 cursor = 0;
result.member_offset_count = member_offset_count;
result.symbol_indices = symbol_indices; U32 member_count = 0;
result.symbol_index_count = symbol_index_count; cursor += str8_deserial_read_struct(member->data, cursor, &member_count);
result.string_table = str8_substr(member->data, string_table_range);
Rng1U64 member_offsets_range = rng_1u64(cursor, cursor + member_count * sizeof(U32));
cursor += dim_1u64(member_offsets_range);
U32 symbol_count = 0;
cursor += str8_deserial_read_struct(member->data, cursor, &symbol_count);
Rng1U64 symbol_indices_range = rng_1u64(cursor, cursor + symbol_count * sizeof(U16));
cursor += dim_1u64(symbol_indices_range);
Rng1U64 string_table_range = rng_1u64(cursor, member->data.size);
String8 raw_member_offsets = str8_substr(member->data, member_offsets_range);
String8 raw_indices = str8_substr(member->data, symbol_indices_range);
U32 *member_offsets = (U32 *)raw_member_offsets.str;
U64 member_offset_count = raw_member_offsets.size / sizeof(member_offsets[0]);
U16 *symbol_indices = (U16 *)raw_indices.str;
U64 symbol_index_count = raw_indices.size / sizeof(symbol_indices[0]);
result.member_count = member_count;
result.symbol_count = symbol_count;
result.member_offsets = member_offsets;
result.member_offset_count = member_offset_count;
result.symbol_indices = symbol_indices;
result.symbol_index_count = symbol_index_count;
result.string_table = str8_substr(member->data, string_table_range);
}
return result; return result;
} }