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make import lib objs with COFF obj writer

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This commit is contained in:
Nikita Smith
2025-06-25 10:53:21 -07:00
committed by Ryan Fleury
parent e580b69180
commit 3a2bb318c7
8 changed files with 352 additions and 489 deletions
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src/coff/coff_obj_writer.c
+64 -12
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@@ -17,7 +17,7 @@ coff_obj_writer_release(COFF_ObjWriter **obj_writer)
}
internal COFF_ObjSymbol *
coff_obj_writer_push_symbol(COFF_ObjWriter *obj_writer, String8 name, U32 value, COFF_ObjSection *section, COFF_SymbolType type, COFF_SymStorageClass storage_class)
coff_obj_writer_push_symbol(COFF_ObjWriter *obj_writer, String8 name, U32 value, COFF_SymbolLocation loc, COFF_SymbolType type, COFF_SymStorageClass storage_class)
{
COFF_ObjSymbolNode *n = push_array(obj_writer->arena, COFF_ObjSymbolNode, 1);
SLLQueuePush(obj_writer->symbol_first, obj_writer->symbol_last, n);
@@ -26,7 +26,7 @@ coff_obj_writer_push_symbol(COFF_ObjWriter *obj_writer, String8 name, U32 value,
COFF_ObjSymbol *s = &n->v;
s->name = name;
s->value = value;
s->section = section;
s->loc = loc;
s->type = type;
s->storage_class = storage_class;
s->idx = obj_writer->symbol_count-1;
@@ -35,16 +35,41 @@ coff_obj_writer_push_symbol(COFF_ObjWriter *obj_writer, String8 name, U32 value,
}
internal COFF_ObjSymbol *
coff_obj_writer_push_symbol_static(COFF_ObjWriter *obj_writer, String8 name, U32 off, COFF_ObjSection *section)
coff_obj_writer_push_symbol_external(COFF_ObjWriter *obj_writer, String8 name, U32 value, COFF_ObjSection *section)
{
COFF_ObjSymbol *s = coff_obj_writer_push_symbol(obj_writer, name, off, section, (COFF_SymbolType){0}, COFF_SymStorageClass_Static);
COFF_SymbolLocation loc = {0};
loc.type = COFF_SymbolLocation_Section;
loc.u.section = section;
COFF_ObjSymbol *s = coff_obj_writer_push_symbol(obj_writer, name, value, loc, (COFF_SymbolType){0}, COFF_SymStorageClass_External);
return s;
}
internal COFF_ObjSymbol *
coff_obj_writer_push_symbol_abs(COFF_ObjWriter *obj_writer, String8 name, COFF_SymStorageClass storage_class, U32 value)
coff_obj_writer_push_symbol_static(COFF_ObjWriter *obj_writer, String8 name, U32 off, COFF_ObjSection *section)
{
COFF_ObjSymbol *s = coff_obj_writer_push_symbol(obj_writer, name, value, 0, (COFF_SymbolType){0}, storage_class);
COFF_SymbolLocation loc = {0};
loc.type = COFF_SymbolLocation_Section;
loc.u.section = section;
COFF_ObjSymbol *s = coff_obj_writer_push_symbol(obj_writer, name, off, loc, (COFF_SymbolType){0}, COFF_SymStorageClass_Static);
return s;
}
internal COFF_ObjSymbol *
coff_obj_writer_push_symbol_abs(COFF_ObjWriter *obj_writer, String8 name, U32 value, COFF_SymStorageClass storage_class)
{
COFF_SymbolLocation loc = {0};
loc.type = COFF_SymbolLocation_Abs;
COFF_ObjSymbol *s = coff_obj_writer_push_symbol(obj_writer, name, value, loc, (COFF_SymbolType){0}, storage_class);
return s;
}
internal COFF_ObjSymbol *
coff_obj_writer_push_symbol_undef(COFF_ObjWriter *obj_writer, String8 name)
{
COFF_SymbolType type = {0};
COFF_SymbolLocation loc = {0};
loc.type = COFF_SymbolLocation_Undef;
COFF_ObjSymbol *s = coff_obj_writer_push_symbol(obj_writer, name, 0, loc, type, COFF_SymStorageClass_External);
return s;
}
@@ -53,7 +78,34 @@ coff_obj_writer_push_symbol_undef_func(COFF_ObjWriter *obj_writer, String8 name)
{
COFF_SymbolType type = {0};
type.u.msb = COFF_SymDType_Func;
COFF_ObjSymbol *s = coff_obj_writer_push_symbol(obj_writer, name, 0, 0, type, COFF_SymStorageClass_External);
COFF_SymbolLocation loc = {0};
loc.type = COFF_SymbolLocation_Undef;
COFF_ObjSymbol *s = coff_obj_writer_push_symbol(obj_writer, name, 0, loc, type, COFF_SymStorageClass_External);
return s;
}
internal COFF_ObjSymbol *
coff_obj_writer_push_symbol_undef_sect(COFF_ObjWriter *obj_writer, String8 name, U32 value)
{
COFF_SymbolType type = {0};
COFF_SymbolLocation loc = {0};
loc.type = COFF_SymbolLocation_Undef;
COFF_ObjSymbol *s = coff_obj_writer_push_symbol(obj_writer, name, value, loc, type, COFF_SymStorageClass_Section);
return s;
}
internal COFF_ObjSymbol *
coff_obj_writer_push_symbol_sect(COFF_ObjWriter *obj_writer, String8 name, COFF_ObjSection *sect)
{
COFF_SymbolType type = {0};
COFF_SymbolLocation loc = {0};
loc.type = COFF_SymbolLocation_Section;
loc.u.section = sect;
// strip align flags
COFF_SectionFlags expected_flags = sect->flags & ~(COFF_SectionFlag_AlignMask << COFF_SectionFlag_AlignShift);
COFF_ObjSymbol *s = coff_obj_writer_push_symbol(obj_writer, name, expected_flags, loc, type, COFF_SymStorageClass_Section);
return s;
}
@@ -67,7 +119,6 @@ coff_obj_writer_push_section(COFF_ObjWriter *obj_writer, String8 name, COFF_Sect
COFF_ObjSection *sect = &sect_n->v;
sect->name = name;
sect->flags = flags;
sect->symbol = coff_obj_writer_push_symbol_static(obj_writer, name, 0, sect);
str8_list_push(obj_writer->arena, &sect->data, data);
@@ -234,10 +285,11 @@ coff_obj_writer_serialize(Arena *arena, COFF_ObjWriter *obj_writer)
AssertAlways(s->aux_symbols.node_count <= max_U8);
d->name = name;
d->value = s->value;
if (s->section == 0) {
d->section_number = COFF_Symbol_AbsSection16;
} else {
d->section_number = safe_cast_u16(s->section->section_number);
switch (s->loc.type) {
case COFF_SymbolLocation_Null: break;
case COFF_SymbolLocation_Section: d->section_number = safe_cast_u16(s->loc.u.section->section_number); break;
case COFF_SymbolLocation_Abs: d->section_number = COFF_Symbol_AbsSection16; break;
case COFF_SymbolLocation_Undef: d->section_number = COFF_Symbol_UndefinedSection; break;
}
d->type = s->type;
d->storage_class = s->storage_class;