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section collector

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This commit is contained in:
Nikita Smith
2025-05-27 14:41:16 -07:00
committed by Ryan Fleury
parent 382204a4ea
commit 37689b2e4a
4 changed files with 49 additions and 14 deletions
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src/linker/lnk_debug_info.c
+8 -3
View File
@@ -373,9 +373,9 @@ lnk_make_code_view_input(TP_Context *tp, TP_Arena *tp_arena, String8List lib_dir
ProfBegin("Collect CodeView");
// TODO: fix memory leak, we need a Temp wrapper for pool arena
B32 collect_discarded_flag = 0;
String8List *debug_s_list_arr = lnk_collect_obj_chunks_parallel(tp, tp_arena, obj_count, obj_arr, str8_lit(".debug"), str8_lit("S"), collect_discarded_flag);
String8List *debug_p_list_arr = lnk_collect_obj_chunks_parallel(tp, tp_arena, obj_count, obj_arr, str8_lit(".debug"), str8_lit("P"), collect_discarded_flag);
String8List *debug_t_list_arr = lnk_collect_obj_chunks_parallel(tp, tp_arena, obj_count, obj_arr, str8_lit(".debug"), str8_lit("T"), collect_discarded_flag);
String8List *debug_s_list_arr = lnk_collect_obj_sections(tp, tp_arena, obj_count, obj_arr, str8_lit(".debug$S"), collect_discarded_flag);
String8List *debug_p_list_arr = lnk_collect_obj_sections(tp, tp_arena, obj_count, obj_arr, str8_lit(".debug$P"), collect_discarded_flag);
String8List *debug_t_list_arr = lnk_collect_obj_sections(tp, tp_arena, obj_count, obj_arr, str8_lit(".debug$T"), collect_discarded_flag);
ProfEnd();
if (lnk_get_log_status(LNK_Log_Debug) || PROFILE_TELEMETRY) {
@@ -3269,9 +3269,13 @@ lnk_build_pdb(TP_Context *tp,
Rng1U64Array image_section_file_ranges = {0};
image_section_file_ranges.count = image_section_table_count;
image_section_file_ranges.v = push_array(scratch.arena, Rng1U64, image_section_table_count);
Rng1U64Array image_section_virt_ranges = {0};
image_section_virt_ranges.count = image_section_table_count;
image_section_virt_ranges.v = push_array(scratch.arena, Rng1U64, image_section_table_count);
for (U64 i = 0; i < image_section_table_count; i += 1) {
COFF_SectionHeader *sect_header = image_section_table[i];
image_section_file_ranges.v[i] = rng_1u64(sect_header->foff, sect_header->foff + sect_header->fsize);
image_section_virt_ranges.v[i] = rng_1u64(sect_header->voff, sect_header->voff + sect_header->vsize);
}
LNK_PushDbiSecContribTaskData task = {0};
@@ -3280,6 +3284,7 @@ lnk_build_pdb(TP_Context *tp,
task.sc_list = push_array(scratch.arena, PDB_DbiSectionContribList, obj_count);
task.image_data = image_data;
task.image_section_file_ranges = image_section_file_ranges;
task.image_section_virt_ranges = image_section_virt_ranges;
tp_for_parallel(tp, tp_arena, obj_count, lnk_push_dbi_sec_contrib_task, &task);
dbi_sec_list_concat_arr(&pdb->dbi->sec_contrib_list, obj_count, task.sc_list);
src/linker/lnk_debug_info.h
+1
View File
@@ -317,6 +317,7 @@ typedef struct
PDB_DbiSectionContribList *sc_list;
String8 image_data;
Rng1U64Array image_section_file_ranges;
Rng1U64Array image_section_virt_ranges;
} LNK_PushDbiSecContribTaskData;
typedef struct
src/linker/lnk_obj.c
+31 -9
View File
@@ -357,19 +357,41 @@ lnk_section_header_from_section_number(LNK_Obj *obj, U64 section_number)
return 0;
}
internal String8List *
lnk_collect_obj_chunks_parallel(TP_Context *tp, TP_Arena *arena, U64 obj_count, LNK_Obj **obj_arr, String8 name, String8 postfix, B32 collect_discarded)
internal
THREAD_POOL_TASK_FUNC(lnk_collect_obj_chunks_task)
{
NotImplemented;
return 0;
LNK_SectionCollector *task = raw_task;
LNK_Obj *obj = task->objs[task_id];
COFF_SectionHeader *section_table = (COFF_SectionHeader *)str8_substr(obj->data, obj->header.section_table_range).str;
String8 string_table = str8_substr(obj->data, obj->header.string_table_range);
for (U32 sect_idx = 0; sect_idx < obj->header.section_count_no_null; sect_idx += 1) {
COFF_SectionHeader *section_header = &section_table[sect_idx];
if (section_header->flags & COFF_SectionFlag_LnkRemove) {
if (!task->collect_discarded) {
continue;
}
}
String8 section_name = coff_name_from_section_header(string_table, section_header);
if (str8_match(section_name, task->name, 0)) {
String8 section_data = str8_substr(obj->data, rng_1u64(section_header->foff, section_header->foff + section_header->fsize));
str8_list_push(arena, &task->out_lists[task_id], section_data);
}
}
}
internal String8List
lnk_collect_obj_chunks(Arena *arena, LNK_Obj *obj, String8 name, String8 postfix, B32 collect_discarded)
internal String8List *
lnk_collect_obj_sections(TP_Context *tp, TP_Arena *arena, U64 objs_count, LNK_Obj **objs, String8 name, B32 collect_discarded)
{
NotImplemented;
String8List result = {0};
return result;
LNK_SectionCollector task = {0};
task.objs = objs;
task.name = name;
task.collect_discarded = collect_discarded;
task.out_lists = push_array(arena->v[0], String8List, objs_count);
tp_for_parallel(tp, arena, objs_count, lnk_collect_obj_chunks_task, &task);
return task.out_lists;
}
internal void
src/linker/lnk_obj.h
+9 -2
View File
@@ -81,6 +81,14 @@ typedef struct
LNK_SymbolList *undef_lists;
} LNK_InputCoffSymbolTable;
typedef struct
{
LNK_Obj **objs;
String8 name;
B32 collect_discarded;
String8List *out_lists;
} LNK_SectionCollector;
////////////////////////////////
internal void lnk_error_obj(LNK_ErrorCode code, LNK_Obj *obj, char *fmt, ...);
@@ -105,8 +113,7 @@ internal COFF_SectionHeader * lnk_coff_section_header_from_section_number(LNK_Ob
////////////////////////////////
internal String8List * lnk_collect_obj_chunks_parallel(TP_Context *tp, TP_Arena *arena, U64 obj_count, LNK_Obj **obj_arr, String8 name, String8 postfix, B32 collect_discarded);
internal String8List lnk_collect_obj_chunks(Arena *arena, LNK_Obj *obj, String8 name, String8 postfix, B32 collect_discarded);
internal String8List * lnk_collect_obj_sections(TP_Context *tp, TP_Arena *arena, U64 objs_count, LNK_Obj **objs, String8 name, B32 collect_discarded);
////////////////////////////////