zig

commit f7482a5c95dd549eb3da103eab42bac881ba0498 (tree)
parent 8f69e977f16d55539d55e8c84852a7c1c6a8cdf3
Author: Jacob Young <jacobly0@users.noreply.github.com>
Date:   Fri, 20 Oct 2023 03:38:27 -0400

x86_64: implement inline asm GOT reference for PIC targets

Diffstat:
M
src/arch/x86_64/CodeGen.zig
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/src/arch/x86_64/CodeGen.zig b/src/arch/x86_64/CodeGen.zig
@@ -11315,6 +11315,10 @@ fn airAsm(self: *Self, inst: Air.Inst.Index) !void {
                         ) }
                     else
                         return self.fail("invalid modifier: '{s}'", .{modifier}),
+                    .lea_got => |sym_index| if (mem.eql(u8, modifier, "P"))
+                        .{ .reg = try self.copyToTmpRegister(Type.usize, .{ .lea_got = sym_index }) }
+                    else
+                        return self.fail("invalid modifier: '{s}'", .{modifier}),
                     else => return self.fail("invalid constraint: '{s}'", .{op_str}),
                 };
             } else if (mem.startsWith(u8, op_str, "$")) {