Commit 5d9fd5bcde
Changed files (1)
src
link
src/link/MachO.zig
@@ -1285,53 +1285,6 @@ fn markLive(self: *MachO) void {
if (self.getInternalObject()) |obj| obj.markLive(self);
}
-fn resolveSyntheticSymbols(self: *MachO) !void {
- const internal = self.getInternalObject() orelse return;
-
- if (!self.base.isDynLib()) {
- self.mh_execute_header_index = try internal.addSymbol("__mh_execute_header", self);
- const sym = self.getSymbol(self.mh_execute_header_index.?);
- sym.flags.@"export" = true;
- sym.flags.dyn_ref = true;
- sym.visibility = .global;
- } else {
- self.mh_dylib_header_index = try internal.addSymbol("__mh_dylib_header", self);
- }
-
- self.dso_handle_index = try internal.addSymbol("___dso_handle", self);
- self.dyld_private_index = try internal.addSymbol("dyld_private", self);
-
- {
- const gpa = self.base.comp.gpa;
- var boundary_symbols = std.AutoHashMap(Symbol.Index, void).init(gpa);
- defer boundary_symbols.deinit();
-
- for (self.objects.items) |index| {
- const object = self.getFile(index).?.object;
- for (object.symbols.items, 0..) |sym_index, i| {
- const nlist = object.symtab.items(.nlist)[i];
- const name = self.getSymbol(sym_index).getName(self);
- if (!nlist.undf() or !nlist.ext()) continue;
- if (mem.startsWith(u8, name, "segment$start$") or
- mem.startsWith(u8, name, "segment$stop$") or
- mem.startsWith(u8, name, "section$start$") or
- mem.startsWith(u8, name, "section$stop$"))
- {
- _ = try boundary_symbols.put(sym_index, {});
- }
- }
- }
-
- try self.boundary_symbols.ensureTotalCapacityPrecise(gpa, boundary_symbols.count());
-
- var it = boundary_symbols.iterator();
- while (it.next()) |entry| {
- _ = try internal.addSymbol(self.getSymbol(entry.key_ptr.*).getName(self), self);
- self.boundary_symbols.appendAssumeCapacity(entry.key_ptr.*);
- }
- }
-}
-
fn convertTentativeDefsAndResolveSpecialSymbols(self: *MachO) !void {
for (self.objects.items) |index| {
try self.getFile(index).?.object.convertTentativeDefinitions(self);
@@ -1342,40 +1295,6 @@ fn convertTentativeDefsAndResolveSpecialSymbols(self: *MachO) !void {
}
}
-fn createObjcSections(self: *MachO) !void {
- const gpa = self.base.comp.gpa;
- var objc_msgsend_syms = std.AutoArrayHashMap(Symbol.Index, void).init(gpa);
- defer objc_msgsend_syms.deinit();
-
- for (self.objects.items) |index| {
- const object = self.getFile(index).?.object;
-
- for (object.symbols.items, 0..) |sym_index, i| {
- const nlist_idx = @as(Symbol.Index, @intCast(i));
- const nlist = object.symtab.items(.nlist)[nlist_idx];
- if (!nlist.ext()) continue;
- if (!nlist.undf()) continue;
-
- const sym = self.getSymbol(sym_index);
- if (sym.getFile(self) != null) continue;
- if (mem.startsWith(u8, sym.getName(self), "_objc_msgSend$")) {
- _ = try objc_msgsend_syms.put(sym_index, {});
- }
- }
- }
-
- for (objc_msgsend_syms.keys()) |sym_index| {
- const internal = self.getInternalObject().?;
- const sym = self.getSymbol(sym_index);
- _ = try internal.addSymbol(sym.getName(self), self);
- sym.visibility = .hidden;
- const name = eatPrefix(sym.getName(self), "_objc_msgSend$").?;
- const selrefs_index = try internal.addObjcMsgsendSections(name, self);
- try sym.addExtra(.{ .objc_selrefs = selrefs_index }, self);
- sym.flags.objc_stubs = true;
- }
-}
-
pub fn dedupLiterals(self: *MachO) !void {
const tracy = trace(@src());
defer tracy.end();