zig

commit 184c0f3c4e140d3f0971bac184f0abce00d8d336 (tree)
parent 601600dec981e41d43bb72113d9284cbb9e1d9ae
Author: Jakub Konka <kubkon@jakubkonka.com>
Date:   Wed,  9 Dec 2020 11:38:11 +0100

stage2+macho: write code signature only when targeting aarch64

Diffstat:
M
src/link/MachO.zig
 | 
28
++++++++++++++++++----------

1 file changed, 18 insertions(+), 10 deletions(-)
diff --git a/src/link/MachO.zig b/src/link/MachO.zig
@@ -301,7 +301,10 @@ pub fn flushModule(self: *MachO, comp: *Compilation) !void {
     const tracy = trace(@src());
     defer tracy.end();
 
-    switch (self.base.options.output_mode) {
+    const output_mode = self.base.options.output_mode;
+    const target = self.base.options.target;
+
+    switch (output_mode) {
         .Exe => {
             if (self.entry_addr) |addr| {
                 // Update LC_MAIN with entry offset.
@@ -312,12 +315,15 @@ pub fn flushModule(self: *MachO, comp: *Compilation) !void {
             try self.writeExportTrie();
             try self.writeSymbolTable();
             try self.writeStringTable();
-            // Preallocate space for the code signature.
-            // We need to do this at this stage so that we have the load commands with proper values
-            // written out to the file.
-            // The most important here is to have the correct vm and filesize of the __LINKEDIT segment
-            // where the code signature goes into.
-            try self.writeCodeSignaturePadding();
+
+            if (target.cpu.arch == .aarch64) {
+                // Preallocate space for the code signature.
+                // We need to do this at this stage so that we have the load commands with proper values
+                // written out to the file.
+                // The most important here is to have the correct vm and filesize of the __LINKEDIT segment
+                // where the code signature goes into.
+                try self.writeCodeSignaturePadding();
+            }
         },
         .Obj => {},
         .Lib => return error.TODOImplementWritingLibFiles,
@@ -339,9 +345,11 @@ pub fn flushModule(self: *MachO, comp: *Compilation) !void {
 
     assert(!self.cmd_table_dirty);
 
-    switch (self.base.options.output_mode) {
-        .Exe, .Lib => try self.writeCodeSignature(), // code signing always comes last
-        else => {},
+    if (target.cpu.arch == .aarch64) {
+        switch (output_mode) {
+            .Exe, .Lib => try self.writeCodeSignature(), // code signing always comes last
+            else => {},
+        }
     }
 }