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elf: fully zero out symbol when appending to freelist

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This commit is contained in:
Jakub Konka
2023-03-03 18:53:47 +01:00
parent f6eeb6c8ce
commit d23472747e
1 changed files with 9 additions and 2 deletions
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11
src/link/Elf.zig
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@@ -2097,9 +2097,16 @@ fn freeAtom(self: *Elf, atom_index: Atom.Index) void {
// Appending to free lists is allowed to fail because the free lists are heuristics based anyway.
const local_sym_index = atom.getSymbolIndex().?;
log.debug("adding %{d} to local symbols free list", .{local_sym_index});
self.local_symbol_free_list.append(gpa, local_sym_index) catch {};
self.local_symbols.items[local_sym_index].st_info = 0;
self.local_symbols.items[local_sym_index].st_shndx = 0;
self.local_symbols.items[local_sym_index] = .{
.st_name = 0,
.st_info = 0,
.st_other = 0,
.st_shndx = 0,
.st_value = 0,
.st_size = 0,
};
_ = self.atom_by_index_table.remove(local_sym_index);
self.getAtomPtr(atom_index).local_sym_index = 0;