mirrors/zig
1
0
Fork 0
mirror of https://codeberg.org/ziglang/zig.git synced 2025-12-06 13:54:21 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

macho: do not assume entrypoint is defined

Browse source
This commit is contained in:
Jakub Konka 2023-04-01 06:49:01 +02:00
parent 5d0bb50e3d
commit 2dd178443a
1 changed files with 12 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
src/link/MachO/dead_strip.zig
View file

@ -43,15 +43,19 @@ fn collectRoots(zld: *Zld, roots: *AtomTable) !void {
.Exe => { .Exe => {
// Add entrypoint as GC root // Add entrypoint as GC root
const global: SymbolWithLoc = zld.getEntryPoint(); const global: SymbolWithLoc = zld.getEntryPoint();
const object = zld.objects.items[global.getFile().?]; if (global.getFile()) |file| {
const atom_index = object.getAtomIndexForSymbol(global.sym_index).?; // panic here means fatal error const object = zld.objects.items[file];
_ = try roots.getOrPut(atom_index); const atom_index = object.getAtomIndexForSymbol(global.sym_index).?; // panic here means fatal error
_ = try roots.getOrPut(atom_index);
log.debug("root(ATOM({d}, %{d}, {?d}))", .{ log.debug("root(ATOM({d}, %{d}, {?d}))", .{
atom_index, atom_index,
zld.getAtom(atom_index).sym_index, zld.getAtom(atom_index).sym_index,
zld.getAtom(atom_index).getFile(), zld.getAtom(atom_index).getFile(),
}); });
} else {
assert(zld.getSymbol(global).undf()); // Stub as our entrypoint is in a dylib.
}
}, },
else => |other| { else => |other| {
assert(other == .Lib); assert(other == .Lib);