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d2r2: dwarf 5 .debug_rnglists, .debug_addr parsing / usage

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Ryan Fleury
2026-04-28 09:37:31 -07:00
parent f5ec462438
commit 242f4e9cbd
3 changed files with 259 additions and 69 deletions
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src/dwarf/dwarf_parse_2.h
+9 -6
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@@ -37,10 +37,10 @@ struct DW2_AbbrevMap
};
////////////////////////////////
//~ rjf: String Offset Table (.debug_str_offsets)
//~ rjf: Offset Tables (.debug_str_offsets, .debug_rnglists)
typedef struct DW2_StrOffsetsTable DW2_StrOffsetsTable;
struct DW2_StrOffsetsTable
typedef struct DW2_OffsetTable DW2_OffsetTable;
struct DW2_OffsetTable
{
DW_Format format;
DW_Version version;
@@ -64,7 +64,9 @@ struct DW2_ParseCtx
U64 addr_size;
U64 unit_base_addr;
DW2_AbbrevMap *abbrev_map;
DW2_StrOffsetsTable *str_offsets_table;
DW2_OffsetTable *rnglists_table;
DW2_OffsetTable *str_offsets_table;
DW2_OffsetTable *addr_table;
String8 unit_dir;
String8 unit_file;
};
@@ -234,9 +236,10 @@ internal U64 dw2_reference_info_off_from_form_val(DW2_ParseCtx *ctx, DW2_FormVal
internal U64 dw2_read_line_table_header(Arena *arena, DW2_ParseCtx *ctx, String8 data, U64 off, DW2_LineTableHeader *out);
////////////////////////////////
//~ rjf: String Offset Table Parsing (.debug_str_offsets)
//~ rjf: Offset Table Parsing (.debug_str_offsets, .debug_rnglists)
internal U64 dw2_read_str_offsets_table(String8 data, U64 off, DW2_StrOffsetsTable *out);
internal U64 dw2_read_offset_table(String8 data, U64 off, DW2_OffsetTable *out);
internal B32 dw2_try_offset_from_table_idx(DW2_OffsetTable *tbl, U64 idx, U64 *out);
////////////////////////////////
//~ rjf: Range List Parsing (.debug_rnglists)