zig

commit 7aefea614f570f489366a7fbde1a98eaf2551fc6 (tree)
parent 3bdb3b574e36962528d203a69ee1de4b39e17830
Author: Jakub Konka <kubkon@jakubkonka.com>
Date:   Sat, 10 Jul 2021 14:35:20 +0200

zld: fix allocating tentative defs

Diffstat:
M
src/link/MachO/Zld.zig
 | 
11
+++++++++++

1 file changed, 11 insertions(+), 0 deletions(-)
diff --git a/src/link/MachO/Zld.zig b/src/link/MachO/Zld.zig
@@ -1603,6 +1603,17 @@ fn resolveSymbols(self: *Zld) !void {
                 block.size = size;
                 block.alignment = alignment;
 
+                // Update target section's metadata
+                // TODO should we update segment's size here too?
+                // How does it tie with incremental space allocs?
+                const tseg = &self.load_commands.items[match.seg].Segment;
+                const tsect = &tseg.sections.items[match.sect];
+                const new_alignment = math.max(tsect.@"align", block.alignment);
+                const new_alignment_pow_2 = try math.powi(u32, 2, new_alignment);
+                const new_size = mem.alignForwardGeneric(u64, tsect.size + block.size, new_alignment_pow_2);
+                tsect.size = new_size;
+                tsect.@"align" = new_alignment;
+
                 if (self.blocks.getPtr(match)) |last| {
                     last.*.next = block;
                     block.prev = last.*;