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test cycles made from weak symbols

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This commit is contained in:
Nikita Smith
2025-04-30 11:47:06 -07:00
committed by Ryan Fleury
parent 2c6db1b566
commit f39397fa78
6 changed files with 236 additions and 15 deletions
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src/coff/coff_obj_writer.c
+20 -9
View File
@@ -149,6 +149,16 @@ coff_obj_writer_push_symbol_sect(COFF_ObjWriter *obj_writer, String8 name, COFF_
return s;
}
internal COFF_ObjSymbol *
coff_obj_writer_push_symbol_common(COFF_ObjWriter *obj_writer, String8 name, U32 size)
{
COFF_SymbolType type = {0};
COFF_SymbolLocation loc = {0};
loc.type = COFF_SymbolLocation_Common;
COFF_ObjSymbol *s = coff_obj_writer_push_symbol(obj_writer, name, size, loc, type, COFF_SymStorageClass_External);
return s;
}
internal COFF_ObjSection *
coff_obj_writer_push_section(COFF_ObjWriter *obj_writer, String8 name, COFF_SectionFlags flags, String8 data)
{
@@ -264,9 +274,7 @@ coff_obj_writer_serialize(Arena *arena, COFF_ObjWriter *obj_writer)
U64 start_symbol_idx = symbol_idx;
if (s->storage_class == COFF_SymStorageClass_WeakExternal) {
Assert(s->aux_symbols.node_count <= 1);
if (s->aux_symbols.node_count == 1) {
if (s->aux_symbols.node_count > 0) {
COFF_ObjSymbolWeak *s_weak = (COFF_ObjSymbolWeak *)s->aux_symbols.first->string.str;
COFF_SymbolWeakExt *d_weak = push_array(scratch.arena, COFF_SymbolWeakExt, 1);
d_weak->tag_index = s_weak->tag->idx;
@@ -276,9 +284,7 @@ coff_obj_writer_serialize(Arena *arena, COFF_ObjWriter *obj_writer)
symbol_idx += 1;
}
} else if (s->storage_class == COFF_SymStorageClass_Static) {
Assert(s->aux_symbols.node_count <= 1);
if (s->aux_symbols.node_count == 1) {
if (s->aux_symbols.node_count > 0) {
Assert(s->loc.type == COFF_SymbolLocation_Section);
COFF_ObjSection *sect = s->loc.u.section;
@@ -294,11 +300,16 @@ coff_obj_writer_serialize(Arena *arena, COFF_ObjWriter *obj_writer)
str8_list_push(scratch.arena, &symbol_table, str8_struct(d_sd));
symbol_idx += 1;
}
} else {
Assert(s->aux_symbols.node_count == 0);
}
d->aux_symbol_count = (U8)(symbol_idx - start_symbol_idx);
U8 processed_aux_symbol_count = (U8)(symbol_idx - start_symbol_idx);
for (U64 aux_idx = processed_aux_symbol_count; aux_idx < s->aux_symbols.node_count; aux_idx += 1) {
COFF_Symbol16 *a = push_array(scratch.arena, COFF_Symbol16, 1);
str8_list_push(scratch.arena, &symbol_table, str8_struct(a));
}
d->aux_symbol_count = (U8)s->aux_symbols.node_count;
}
}
src/coff/coff_obj_writer.h
+2 -1
View File
@@ -6,7 +6,8 @@ typedef enum
COFF_SymbolLocation_Null,
COFF_SymbolLocation_Section,
COFF_SymbolLocation_Abs,
COFF_SymbolLocation_Undef
COFF_SymbolLocation_Undef,
COFF_SymbolLocation_Common,
} COFF_SymbolLocationType;
typedef struct COFF_SymbolLocation