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| author | Jakub Konka <kubkon@jakubkonka.com> | 2023-04-01 06:49:01 +0200 |
|---|---|---|
| committer | Jakub Konka <kubkon@jakubkonka.com> | 2023-04-01 14:22:44 +0200 |
| commit | 2dd178443abcbd91a923c64a4fd066caef974a82 (patch) | |
| tree | 8d406f7e0d647a6a44189fd4004c846220fbde8f /src | |
| parent | 5d0bb50e3d0e87d1d8aad864559e10c83199b608 (diff) | |
| download | zig-2dd178443abcbd91a923c64a4fd066caef974a82.tar.gz zig-2dd178443abcbd91a923c64a4fd066caef974a82.zip | |
macho: do not assume entrypoint is defined
Diffstat (limited to 'src')
| -rw-r--r-- | src/link/MachO/dead_strip.zig | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/link/MachO/dead_strip.zig b/src/link/MachO/dead_strip.zig index cd64e72170..66c644ec04 100644 --- a/src/link/MachO/dead_strip.zig +++ b/src/link/MachO/dead_strip.zig @@ -43,15 +43,19 @@ fn collectRoots(zld: *Zld, roots: *AtomTable) !void { .Exe => { // Add entrypoint as GC root const global: SymbolWithLoc = zld.getEntryPoint(); - const object = zld.objects.items[global.getFile().?]; - const atom_index = object.getAtomIndexForSymbol(global.sym_index).?; // panic here means fatal error - _ = try roots.getOrPut(atom_index); + if (global.getFile()) |file| { + const object = zld.objects.items[file]; + 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}))", .{ - atom_index, - zld.getAtom(atom_index).sym_index, - zld.getAtom(atom_index).getFile(), - }); + log.debug("root(ATOM({d}, %{d}, {?d}))", .{ + atom_index, + zld.getAtom(atom_index).sym_index, + zld.getAtom(atom_index).getFile(), + }); + } else { + assert(zld.getSymbol(global).undf()); // Stub as our entrypoint is in a dylib. + } }, else => |other| { assert(other == .Lib); |