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check symbol type before patching section header

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This commit is contained in:
Nikita Smith
2025-05-21 19:17:57 -07:00
committed by Ryan Fleury
parent a6924a22cf
commit 3978181d02
1 changed files with 11 additions and 5 deletions
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src/linker/lnk_symbol_table.c
+11 -5
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@@ -336,11 +336,17 @@ lnk_on_symbol_replace(LNK_Symbol *dst, LNK_Symbol *src)
} else if (dst->type == LNK_Symbol_Defined && src->type == LNK_Symbol_Defined) {
COFF_ParsedSymbol dst_parsed = lnk_parsed_symbol_from_coff_symbol_idx(dst->u.defined.obj, dst->u.defined.symbol_idx);
COFF_ParsedSymbol src_parsed = lnk_parsed_symbol_from_coff_symbol_idx(src->u.defined.obj, src->u.defined.symbol_idx);
COFF_SectionHeader *dst_sect = lnk_coff_section_header_from_section_number(dst->u.defined.obj, dst_parsed.section_number);
COFF_SectionHeader *src_sect = lnk_coff_section_header_from_section_number(src->u.defined.obj, src_parsed.section_number);
AssertAlways(~src_sect->flags & COFF_SectionFlag_LnkRemove);
dst_sect->flags |= COFF_SectionFlag_LnkRemove;
dst->u.defined = src->u.defined;
COFF_SymbolValueInterpType dst_interp = coff_interp_symbol(dst_parsed.section_number, dst_parsed.value, dst_parsed.storage_class);
COFF_SymbolValueInterpType src_interp = coff_interp_symbol(src_parsed.section_number, src_parsed.value, src_parsed.storage_class);
if (dst_interp == COFF_SymbolValueInterp_Regular) {
COFF_SectionHeader *dst_sect = lnk_coff_section_header_from_section_number(dst->u.defined.obj, dst_parsed.section_number);
dst_sect->flags |= COFF_SectionFlag_LnkRemove;
dst->u.defined = src->u.defined;
}
if (src_interp == COFF_SymbolValueInterp_Regular) {
COFF_SectionHeader *src_sect = lnk_coff_section_header_from_section_number(src->u.defined.obj, src_parsed.section_number);
AssertAlways(~src_sect->flags & COFF_SectionFlag_LnkRemove);
}
} else {
InvalidPath;
}