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-rw-r--r--src/link/MachO/dead_strip.zig20
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);