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share arena between type deduper and MSF

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This commit is contained in:
Nikita Smith
2026-02-13 16:06:54 -08:00
parent f5fc3c66b7
commit d7a87b7765
3 changed files with 36 additions and 14 deletions
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src/linker/lnk_debug_info.c
+16 -3
View File
@@ -1,6 +1,17 @@
// Copyright (c) Epic Games Tools
// Licensed under the MIT license (https://opensource.org/license/mit/)
static Arena *g_huge_arena = 0;
internal Arena *
lnk_get_huge_arena(void)
{
if (g_huge_arena == 0) {
g_huge_arena = arena_alloc(.name = "HUGE");
}
return g_huge_arena;
}
internal
THREAD_POOL_TASK_FUNC(lnk_parse_debug_s_task)
{
@@ -2158,7 +2169,7 @@ internal CV_DebugT *
lnk_import_types(TP_Context *tp, TP_Arena *tp_temp, LNK_CodeViewInput *input)
{
ProfBegin("Import Types");
Temp scratch = scratch_begin(tp_temp->v, tp_temp->count);
Temp scratch = temp_begin(lnk_get_huge_arena());
U64 max_ti_list_size = sizeof(CV_TypeIndexInfo) * (max_U16 / sizeof(CV_TypeIndex));
Arena **fixed_arenas = alloc_fixed_size_arena_array(scratch.arena, tp->worker_count, max_ti_list_size, max_ti_list_size);
@@ -2366,7 +2377,7 @@ lnk_import_types(TP_Context *tp, TP_Arena *tp_temp, LNK_CodeViewInput *input)
tp_for_parallel_prof(tp, 0, input->total_symbol_input_count, lnk_post_process_cv_symbols_task, &task, "Post Process CV Symbols");
scratch_end(scratch);
temp_end(scratch);
ProfEnd();
return task.types;
}
@@ -3013,13 +3024,14 @@ lnk_build_pdb(TP_Context *tp,
{
ProfBegin("PDB");
Temp scratch = scratch_begin(tp_arena->v, tp_arena->count);
Temp huge_arena_temp = temp_begin(lnk_get_huge_arena());
PE_BinInfo pe = pe_bin_info_from_data(scratch.arena, image_data);
COFF_SectionHeader **image_section_table = coff_section_table_from_data(scratch.arena, image_data, pe.section_table_range);
U64 image_section_table_count = pe.section_count+1;
ProfBegin("Setup PDB Context");
PDB_Context *pdb = pdb_alloc(config->pdb_page_size, config->machine, config->time_stamp, config->age, config->guid);
PDB_Context *pdb = pdb_alloc_(huge_arena_temp.arena, config->pdb_page_size, config->machine, config->time_stamp, config->age, config->guid);
ProfEnd();
// move patched type data
@@ -3243,6 +3255,7 @@ lnk_build_pdb(TP_Context *tp,
ProfEnd();
#endif
temp_end(huge_arena_temp);
scratch_end(scratch);
ProfEnd();
return page_data_list;