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add flag to exclude objs from debug info input

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This commit is contained in:
Nikita Smith
2025-08-11 02:49:26 -07:00
parent 702fd74b23
commit 829a35430c
4 changed files with 77 additions and 56 deletions
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src/linker/lnk.c
+64 -46
View File
@@ -1313,10 +1313,11 @@ lnk_build_link_context(TP_Context *tp, TP_Arena *tp_arena, LNK_Config *config)
// input :null_obj
{
LNK_InputObj *null_obj_input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
null_obj_input->path = str8_lit("* Null Obj *");
null_obj_input->dedup_id = null_obj_input->path;
null_obj_input->data = lnk_make_null_obj(tp_arena->v[0]);
LNK_InputObj *null_obj_input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
null_obj_input->exclude_from_debug_info = 1;
null_obj_input->path = str8_lit("* Null Obj *");
null_obj_input->dedup_id = null_obj_input->path;
null_obj_input->data = lnk_make_null_obj(tp_arena->v[0]);
}
// input command line objs
@@ -1438,10 +1439,11 @@ lnk_build_link_context(TP_Context *tp, TP_Arena *tp_arena, LNK_Config *config)
}
// input obj with includes
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->path = str8_lit("* INCLUDE SYMBOLS *");
input->dedup_id = push_str8f(scratch.arena, "%S %llu", input->path, obj_list.count);
input->data = coff_obj_writer_serialize(tp_arena->v[0], obj_writer);
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->exclude_from_debug_info = 1;
input->path = str8_lit("* INCLUDE SYMBOLS *");
input->dedup_id = push_str8f(scratch.arena, "%S %llu", input->path, obj_list.count);
input->data = coff_obj_writer_serialize(tp_arena->v[0], obj_writer);
coff_obj_writer_release(&obj_writer);
@@ -1651,11 +1653,12 @@ lnk_build_link_context(TP_Context *tp, TP_Arena *tp_arena, LNK_Config *config)
// flush on last directive or next directive is issued from a different obj
if ((*last_alt_name)->next == 0 || (*last_alt_name)->data.obj != (*last_alt_name)->next->data.obj) {
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->path = (*last_alt_name)->data.obj ? (*last_alt_name)->data.obj->path : str8_lit("RADLINK");
input->dedup_id = push_str8f(scratch.arena, "* ALTERNATE NAMES FOR %S *", input->path);
input->data = coff_obj_writer_serialize(tp_arena->v[0], obj_writer);
input->lib = (*last_alt_name)->data.obj ? (*last_alt_name)->data.obj->lib : 0;
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->path = (*last_alt_name)->data.obj ? (*last_alt_name)->data.obj->path : str8_lit("RADLINK");
input->exclude_from_debug_info = 1;
input->dedup_id = push_str8f(scratch.arena, "* ALTERNATE NAMES FOR %S *", input->path);
input->data = coff_obj_writer_serialize(tp_arena->v[0], obj_writer);
input->lib = (*last_alt_name)->data.obj ? (*last_alt_name)->data.obj->lib : 0;
// reset obj writer
coff_obj_writer_release(&obj_writer);
@@ -1822,10 +1825,11 @@ lnk_build_link_context(TP_Context *tp, TP_Arena *tp_arena, LNK_Config *config)
case State_InputLinkerObjs: {
{
ProfBegin("Push Linker Symbols");
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->path = str8_lit("* Linker Symbols *");
input->dedup_id = input->path;
input->data = lnk_make_linker_obj(tp_arena->v[0], config);
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->path = str8_lit("* Linker Symbols *");
input->exclude_from_debug_info = 1;
input->dedup_id = input->path;
input->data = lnk_make_linker_obj(tp_arena->v[0], config);
ProfEnd();
}
@@ -1858,18 +1862,20 @@ lnk_build_link_context(TP_Context *tp, TP_Arena *tp_arena, LNK_Config *config)
}
String8 linker_debug_symbols = lnk_make_linker_debug_symbols(tp_arena->v[0], config->machine);
{
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->input_idx = obj_list.count;
input->data = pe_make_null_import_descriptor_delayed(tp_arena->v[0], time_stamp, config->machine, linker_debug_symbols);
input->path = str8_lit("* Delayed Null Import Descriptor *");
input->dedup_id = input->path;
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->input_idx = obj_list.count;
input->exclude_from_debug_info = 1;
input->data = pe_make_null_import_descriptor_delayed(tp_arena->v[0], time_stamp, config->machine, linker_debug_symbols);
input->path = str8_lit("* Delayed Null Import Descriptor *");
input->dedup_id = input->path;
}
{
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->input_idx = obj_list.count;
input->data = pe_make_null_thunk_data_obj_delayed(tp_arena->v[0], lnk_get_image_name(config), time_stamp, config->machine, linker_debug_symbols);
input->path = str8_lit("* Delayed Null Thunk Data *");
input->dedup_id = input->path;
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->input_idx = obj_list.count;
input->exclude_from_debug_info = 1;
input->data = pe_make_null_thunk_data_obj_delayed(tp_arena->v[0], lnk_get_image_name(config), time_stamp, config->machine, linker_debug_symbols);
input->path = str8_lit("* Delayed Null Thunk Data *");
input->dedup_id = input->path;
}
ProfEnd();
@@ -1892,18 +1898,20 @@ lnk_build_link_context(TP_Context *tp, TP_Arena *tp_arena, LNK_Config *config)
}
String8 linker_debug_symbols = lnk_make_linker_debug_symbols(scratch.arena, config->machine);
{
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->input_idx = obj_list.count;
input->data = pe_make_null_import_descriptor_obj(tp_arena->v[0], time_stamp, config->machine, linker_debug_symbols);
input->path = str8_lit("* Null Import Descriptor *");
input->dedup_id = input->path;
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->input_idx = obj_list.count;
input->exclude_from_debug_info = 1;
input->data = pe_make_null_import_descriptor_obj(tp_arena->v[0], time_stamp, config->machine, linker_debug_symbols);
input->path = str8_lit("* Null Import Descriptor *");
input->dedup_id = input->path;
}
{
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->input_idx = obj_list.count;
input->data = pe_make_null_thunk_data_obj(tp_arena->v[0], lnk_get_image_name(config), time_stamp, config->machine, linker_debug_symbols);
input->path = str8_lit("* Null Thunk Data *");
input->dedup_id = input->path;
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->input_idx = obj_list.count;
input->exclude_from_debug_info = 1;
input->data = pe_make_null_thunk_data_obj(tp_arena->v[0], lnk_get_image_name(config), time_stamp, config->machine, linker_debug_symbols);
input->path = str8_lit("* Null Thunk Data *");
input->dedup_id = input->path;
}
ProfEnd();
@@ -2045,16 +2053,18 @@ lnk_build_link_context(TP_Context *tp, TP_Arena *tp_arena, LNK_Config *config)
{
ProfBegin("Build * Debug Directories *");
if (config->debug_mode != LNK_DebugMode_None && config->debug_mode != LNK_DebugMode_Null) {
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->path = str8_lit("* Debug Directory PDB *");
input->dedup_id = input->path;
input->data = pe_make_debug_directory_pdb_obj(tp_arena->v[0], config->machine, config->guid, config->age, config->time_stamp, config->pdb_alt_path);
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->exclude_from_debug_info = 1;
input->path = str8_lit("* Debug Directory PDB *");
input->dedup_id = input->path;
input->data = pe_make_debug_directory_pdb_obj(tp_arena->v[0], config->machine, config->guid, config->age, config->time_stamp, config->pdb_alt_path);
}
if (config->rad_debug == LNK_SwitchState_Yes) {
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->path = str8_lit("* Debug Directory RDI *");
input->dedup_id = input->path;
input->data = pe_make_debug_directory_rdi_obj(tp_arena->v[0], config->machine, config->guid, config->age, config->time_stamp, config->rad_debug_alt_path);
LNK_InputObj *input = lnk_input_obj_list_push(scratch.arena, &input_obj_list);
input->exclude_from_debug_info = 1;
input->path = str8_lit("* Debug Directory RDI *");
input->dedup_id = input->path;
input->data = pe_make_debug_directory_rdi_obj(tp_arena->v[0], config->machine, config->guid, config->age, config->time_stamp, config->rad_debug_alt_path);
}
ProfEnd();
}
@@ -4762,10 +4772,18 @@ lnk_run(TP_Context *tp, TP_Arena *arena, LNK_Config *config)
ProfBegin("Debug Info");
lnk_timer_begin(LNK_Timer_Debug);
U64 objs_count = 0;
LNK_Obj **objs = push_array(scratch.arena, LNK_Obj *, link_ctx.objs_count);
for EachIndex(obj_idx, link_ctx.objs_count) {
LNK_Obj *obj = link_ctx.objs[obj_idx];
if (obj->exclude_from_debug_info) { continue; }
objs[objs_count++] = obj;
}
//
// CodeView
//
LNK_CodeViewInput input = lnk_make_code_view_input(tp, arena, config->io_flags, config->lib_dir_list, link_ctx.objs_count, link_ctx.objs);
LNK_CodeViewInput input = lnk_make_code_view_input(tp, arena, config->io_flags, config->lib_dir_list, objs_count, objs);
CV_DebugT *types = lnk_import_types(tp, arena, &input);
//
src/linker/lnk_input.h
+3 -2
View File
@@ -37,8 +37,9 @@ typedef struct LNK_InputImportList
typedef struct LNK_InputObj
{
struct LNK_InputObj *next;
B32 is_thin;
B32 has_disk_read_failed;
B8 is_thin;
B8 exclude_from_debug_info;
B8 has_disk_read_failed;
String8 dedup_id;
String8 path;
String8 data;
src/linker/lnk_obj.c
+9 -8
View File
@@ -283,14 +283,15 @@ THREAD_POOL_TASK_FUNC(lnk_obj_initer)
}
// fill out obj
obj->data = input->data;
obj->path = push_str8_copy(arena, input->path);
obj->lib = input->lib;
obj->input_idx = obj_idx;
obj->header = header;
obj->comdats = comdats;
obj->hotpatch = hotpatch;
obj->associated_sections = associated_sections;
obj->data = input->data;
obj->path = push_str8_copy(arena, input->path);
obj->lib = input->lib;
obj->input_idx = obj_idx;
obj->header = header;
obj->comdats = comdats;
obj->exclude_from_debug_info = input->exclude_from_debug_info;
obj->hotpatch = hotpatch;
obj->associated_sections = associated_sections;
ProfEnd();
}
src/linker/lnk_obj.h
+1
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@@ -14,6 +14,7 @@ typedef struct LNK_Obj
COFF_FileHeaderInfo header;
U32 *comdats;
B8 hotpatch;
B8 exclude_from_debug_info;
U32Node **associated_sections;
LNK_SymbolHashTrie **symlinks;
} LNK_Obj;