From 56fdada577d5d7f871bed8e5ae74e395291d4140 Mon Sep 17 00:00:00 2001
From: Jakub Konka <kubkon@jakubkonka.com>
Date: Thu, 9 Sep 2021 16:55:56 +0200
Subject: [PATCH] macho: properly adjust section sizes

---
 src/link/MachO.zig | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/link/MachO.zig b/src/link/MachO.zig
index 4a8df9ae6c..2ccedd70ea 100644
--- a/src/link/MachO.zig
+++ b/src/link/MachO.zig
@@ -2667,8 +2667,16 @@ fn parseTextBlocks(self: *MachO) !void {
             metadata.size,
             metadata.alignment,
         });
+
+        const sect_size = if (self.blocks.get(match)) |last| blk: {
+            const last_atom_sym = self.locals.items[last.local_sym_index];
+            break :blk last_atom_sym.n_value + last.size - sect.addr;
+        } else 0;
+
         sect.@"align" = math.max(sect.@"align", metadata.alignment);
-        try self.growSection(match, @intCast(u32, metadata.size));
+        const needed_size = @intCast(u32, metadata.size + sect_size);
+        try self.growSection(match, needed_size);
+        sect.size = needed_size;
 
         var base_vaddr = if (self.blocks.get(match)) |last| blk: {
             const last_atom_sym = self.locals.items[last.local_sym_index];