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test cases for weak vs weak

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This commit is contained in:
Nikita Smith
2025-08-18 19:06:27 -07:00
parent 257914da2f
commit b56ce72b7f
2 changed files with 996 additions and 86 deletions
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src/linker/lnk_symbol_table.c
+16 -18
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@@ -150,18 +150,16 @@ lnk_can_replace_symbol(LNK_SymbolScope scope, LNK_Symbol *dst, LNK_Symbol *src)
LNK_Symbol *weak, *undef;
COFF_ParsedSymbol weak_parsed;
if (dst_interp == COFF_SymbolValueInterp_Weak) {
weak = dst;
undef = src;
weak = dst, undef = src;
weak_parsed = dst_parsed;
} else {
weak = src;
undef = dst;
weak = src, undef = dst;
weak_parsed = src_parsed;
}
COFF_SymbolWeakExt *weak_ext = coff_parse_weak_tag(weak_parsed, weak->u.defined.obj->header.is_big_obj);
if (weak_ext->characteristics == COFF_WeakExt_SearchLibrary) {
can_replace = lnk_symbol_defined_is_before(weak, undef);
can_replace = dst_interp == COFF_SymbolValueInterp_Weak;
} else if (weak_ext->characteristics == COFF_WeakExt_NoLibrary) {
can_replace = dst_interp == COFF_SymbolValueInterp_Weak;
} else if (weak_ext->characteristics == COFF_WeakExt_SearchAlias) {
@@ -218,22 +216,22 @@ lnk_can_replace_symbol(LNK_SymbolScope scope, LNK_Symbol *dst, LNK_Symbol *src)
}
// weak vs weak
else if (dst_interp == COFF_SymbolValueInterp_Weak && src_interp == COFF_SymbolValueInterp_Weak) {
COFF_ParsedSymbol dst_parsed = lnk_parsed_symbol_from_defined(dst);
COFF_ParsedSymbol src_parsed = lnk_parsed_symbol_from_defined(src);
COFF_SymbolWeakExt *dst_ext = coff_parse_weak_tag(dst_parsed, dst->u.defined.obj->header.is_big_obj);
COFF_SymbolWeakExt *src_ext = coff_parse_weak_tag(src_parsed, src->u.defined.obj->header.is_big_obj);
if (dst_ext->characteristics == COFF_WeakExt_SearchAlias && src_ext->characteristics == COFF_WeakExt_SearchAlias) {
// TODO: test
lnk_error_multiply_defined_symbol(dst, src);
} else if (dst_ext->characteristics == COFF_WeakExt_SearchAlias && src_ext->characteristics != COFF_WeakExt_SearchAlias) {
// TODO: test
can_replace = 0;
if ((dst_ext->characteristics == COFF_WeakExt_SearchAlias && src_ext->characteristics != COFF_WeakExt_SearchAlias)) {
if (lnk_symbol_defined_is_before(dst, src) || src_ext->characteristics == COFF_WeakExt_AntiDependency) {
can_replace = 0;
} else {
lnk_error_multiply_defined_symbol(dst, src);
}
} else if (dst_ext->characteristics != COFF_WeakExt_SearchAlias && src_ext->characteristics == COFF_WeakExt_SearchAlias) {
// TODO: test
can_replace = 1;
} else if (dst_ext->characteristics == COFF_WeakExt_NoLibrary && src_ext->characteristics == COFF_WeakExt_AntiDependency) {
can_replace = 1;
can_replace = lnk_symbol_defined_is_before(src, dst);
if (lnk_symbol_defined_is_before(src, dst) || dst_ext->characteristics == COFF_WeakExt_AntiDependency) {
can_replace = 1;
} else {
lnk_error_multiply_defined_symbol(dst, src);
}
} else if (dst_ext->characteristics == COFF_WeakExt_SearchAlias && src_ext->characteristics == COFF_WeakExt_SearchAlias) {
lnk_error_multiply_defined_symbol(dst, src);
} else {
can_replace = lnk_symbol_defined_is_before(src, dst);
}
src/torture/torture.c
+980 -68
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