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macho: link hello world in zig compiled with llvm

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This commit is contained in:
Jakub Konka
2024-07-11 06:40:53 +02:00
parent 18778e2a0a
commit 05a790d784
2 changed files with 6 additions and 3 deletions
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7
src/link/MachO.zig
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@@ -1542,6 +1542,9 @@ fn scanRelocs(self: *MachO) !void {
for (self.objects.items) |index| {
try self.getFile(index).?.createSymbolIndirection(self);
}
for (self.dylibs.items) |index| {
try self.getFile(index).?.createSymbolIndirection(self);
}
if (self.getInternalObject()) |obj| {
try obj.asFile().createSymbolIndirection(self);
}
@@ -2358,9 +2361,9 @@ fn allocateLinkeditSegment(self: *MachO) !void {
fn resizeSections(self: *MachO) !void {
const slice = self.sections.slice();
for (slice.items(.header), slice.items(.atoms), slice.items(.out)) |header, atoms, *out| {
if (atoms.items.len == 0) continue;
for (slice.items(.header), slice.items(.out), 0..) |header, *out, n_sect| {
if (header.isZerofill()) continue;
if (self.isZigSection(@intCast(n_sect))) continue; // TODO this is horrible
const cpu_arch = self.getTarget().cpu.arch;
try out.resize(self.base.comp.gpa, header.size);
const padding_byte: u8 = if (header.isCode() and cpu_arch == .x86_64) 0xcc else 0;

2
src/link/MachO/synthetic.zig
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@@ -91,9 +91,9 @@ pub const ZigGotSection = struct {
_ = unused_fmt_string;
const zig_got = ctx.zig_got;
const macho_file = ctx.macho_file;
const zo = macho_file.getZigObject().?;
try writer.writeAll("__zig_got\n");
for (zig_got.entries.items, 0..) |entry, index| {
const zo = macho_file.getZigObject().?;
const symbol = zo.symbols.items[entry];
try writer.print(" {d}@0x{x} => {d}@0x{x} ({s})\n", .{
index,