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sort records must be rebased

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This commit is contained in:
Nikita Smith
2026-04-11 13:41:44 -07:00
parent 36d18e440b
commit 1839187a3c
2 changed files with 10 additions and 15 deletions
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src/linker/pdb_ext/pdb_builder.c
+6 -12
View File
@@ -1900,7 +1900,7 @@ THREAD_POOL_TASK_FUNC(gsi_serialize_pub32)
PDB_GsiSortRecord *sr = &sort_record_arr[sort_idx];
sr->isect_off = isect_off(pub32->sec, pub32->off);
sr->name = name;
sr->offset = buffer_cursor;
sr->offset = task->symbol_data_base + buffer_base + buffer_cursor;
// serialize symbol
U64 serial_size = cv_write_symbol(buffer, buffer_cursor, buffer_size, symbol_arr[i], task->symbol_align);
@@ -1946,7 +1946,7 @@ THREAD_POOL_TASK_FUNC(gsi_serialize_symbols_task)
// init sort record
PDB_GsiSortRecord *sr = &sort_record_arr[sort_idx];
sr->name = cv_name_from_symbol(symbol_arr[i]->kind, symbol_arr[i]->data);
sr->offset = buffer_cursor;
sr->offset = task->symbol_data_base + buffer_base + buffer_cursor;
sort_idx += 1;
// serialize symbol
@@ -1969,7 +1969,8 @@ gsi_build_ex(TP_Context *tp, Arena *arena, PDB_GsiContext *gsi, U64 symbol_data_
ProfBegin("Serialize & Sort Symbols");
PDB_GsiSerializeSymbolsTask serial_task;
PDB_GsiSerializeSymbolsTask serial_task = {0};
serial_task.symbol_data_base = symbol_data_base;
serial_task.symbol_align = gsi->symbol_align;
serial_task.bucket_arr = gsi->bucket_arr;
serial_task.bucket_size_arr = push_array(scratch.arena, U64, gsi->bucket_count);
@@ -2004,12 +2005,8 @@ gsi_build_ex(TP_Context *tp, Arena *arena, PDB_GsiContext *gsi, U64 symbol_data_
U32 *compressed_offset_arr = push_array_no_zero(arena, U32, gsi->bucket_count);
PDB_GsiHashRecord *hash_record_arr = push_array_no_zero(arena, PDB_GsiHashRecord, hash_record_count);
// offsets for symbol stream are shifted by one to tell apart from null and zero (see GSI1::fixSymRecs)
U64 offset_cursor = (1 + symbol_data_base);
U64 hash_idx = 0;
ProfBegin("Write Bitmap & Record Offsets");
for (U64 bucket_idx = 0; bucket_idx < gsi->bucket_count; bucket_idx += 1) {
for (U64 bucket_idx = 0, hash_idx = 0; bucket_idx < gsi->bucket_count; bucket_idx += 1) {
// set bit for each occupied bucket
CV_SymbolList bucket_list = gsi->bucket_arr[bucket_idx];
if (bucket_list.count) {
@@ -2024,12 +2021,9 @@ gsi_build_ex(TP_Context *tp, Arena *arena, PDB_GsiContext *gsi, U64 symbol_data_
PDB_GsiSortRecord *sort_record_arr = serial_task.sort_record_arr_arr[bucket_idx];
for (U64 sr_idx = 0; sr_idx < gsi->bucket_arr[bucket_idx].count; sr_idx += 1, hash_idx += 1) {
PDB_GsiHashRecord *hr = &hash_record_arr[hash_idx];
hr->symbol_off = offset_cursor + sort_record_arr[sr_idx].offset;
hr->symbol_off = sort_record_arr[sr_idx].offset + 1; // off-by-one because 0 is reserved for null
hr->cref = 1;
}
// advance offset cursor
offset_cursor += serial_task.bucket_size_arr[bucket_idx];
}
ProfEnd();
src/linker/pdb_ext/pdb_builder.h
+1
View File
@@ -209,6 +209,7 @@ typedef struct PDB_GsiBuildResult
typedef struct PDB_GsiSerializeSymbolsTask
{
U64 symbol_data_base;
U64 symbol_align;
CV_SymbolList *bucket_arr;
U64 *bucket_size_arr;