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macho: save all undef symbols even if null

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This commit is contained in:
Jakub Konka 2021-11-28 20:48:54 +01:00
parent 7e27ab0947
commit 58a552aaf9
1 changed files with 2 additions and 10 deletions
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12
src/link/MachO.zig
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@ -4996,17 +4996,9 @@ fn writeSymbolTable(self: *MachO) !void {
}
}
var undefs = std.ArrayList(macho.nlist_64).init(self.base.allocator);
defer undefs.deinit();
for (self.undefs.items) |sym| {
if (sym.n_strx == 0) continue;
try undefs.append(sym);
}
const nlocals = locals.items.len;
const nexports = self.globals.items.len;
const nundefs = undefs.items.len;
const nundefs = self.undefs.items.len;
const locals_off = symtab.symoff;
const locals_size = nlocals * @sizeOf(macho.nlist_64);
@ -5021,7 +5013,7 @@ fn writeSymbolTable(self: *MachO) !void {
const undefs_off = exports_off + exports_size;
const undefs_size = nundefs * @sizeOf(macho.nlist_64);
log.debug("writing undefined symbols from 0x{x} to 0x{x}", .{ undefs_off, undefs_size + undefs_off });
try self.base.file.?.pwriteAll(mem.sliceAsBytes(undefs.items), undefs_off);
try self.base.file.?.pwriteAll(mem.sliceAsBytes(self.undefs.items), undefs_off);
symtab.nsyms = @intCast(u32, nlocals + nexports + nundefs);
seg.inner.filesize += locals_size + exports_size + undefs_size;