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moved DWARF parser to use str8_deserial-style API, added to the parser

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layer functionality for interpreting different types of attributes,
added support for location lists, and API to enable parsing tags with
abstract origin.
This commit is contained in:
Nikita Smith
2025-03-17 10:40:59 -07:00
parent 57208909f1
commit 13352751ec
12 changed files with 5222 additions and 3248 deletions
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src/dwarf/dwarf_coff.h
+11 -12
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@@ -1,15 +1,15 @@
// Copyright (c) 2024 Epic Games Tools
// Licensed under the MIT license (https://opensource.org/license/mit/)
internal DW_SectionArray
dw_sections_from_coff_section_table(Arena *arena,
String8 raw_image,
U64 string_table_off,
U64 section_count,
COFF_SectionHeader *sections)
internal DW_Input
dw_input_from_coff_section_table(Arena *arena,
String8 raw_image,
U64 string_table_off,
U64 section_count,
COFF_SectionHeader *sections)
{
DW_SectionArray result = {0};
B32 sect_status[ArrayCount(result.v)] = {0};
DW_Input input = {0};
B32 sect_status[ArrayCount(input.sec)] = {0};
for (U64 i = 0; i < section_count; ++i) {
COFF_SectionHeader *header = &sections[i];
@@ -18,7 +18,7 @@ dw_sections_from_coff_section_table(Arena *arena,
DW_SectionKind s = DW_Section_Null;
B32 is_dwo = 0;
#define X(_K,_L,_M,_W) \
#define X(_K,_L,_M,_W) \
if (str8_match_lit(_L, name, 0)) { s = DW_Section_##_K; } \
if (str8_match_lit(_M, name, 0)) { s = DW_Section_##_K; } \
if (str8_match_lit(_W, name, 0)) { s = DW_Section_##_K; is_dwo = 1; }
@@ -30,16 +30,15 @@ dw_sections_from_coff_section_table(Arena *arena,
Assert(!"too many debug sections with identical name, picking first");
} else {
sect_status[s] = 1;
DW_Section *d = &result.v[s];
DW_Section *d = &input.sec[s];
d->name = push_str8_copy(arena, name);
d->data = str8_substr(raw_image, raw_data_range);
d->mode = dim_1u64(raw_data_range) > max_U32 ? DW_Mode_64Bit : DW_Mode_32Bit;
d->is_dwo = is_dwo;
}
}
}
return result;
return input;
}