stage2: implement error return traces

1 files changed, 20 insertions, 0 deletions

diff --git a/src/arch/x86_64/CodeGen.zig b/src/arch/x86_64/CodeGen.zig
index 5ba28a3751..31ecc58c66 100644
--- a/src/arch/x86_64/CodeGen.zig
+++ b/src/arch/x86_64/CodeGen.zig
@@ -749,6 +749,8 @@ fn genBody(self: *Self, body: []const Air.Inst.Index) InnerError!void {
             .unwrap_errunion_err_ptr    => try self.airUnwrapErrErrPtr(inst),
             .unwrap_errunion_payload_ptr=> try self.airUnwrapErrPayloadPtr(inst),
             .errunion_payload_ptr_set   => try self.airErrUnionPayloadPtrSet(inst),
+            .err_return_trace           => try self.airErrReturnTrace(inst),
+            .set_err_return_trace       => try self.airSetErrReturnTrace(inst),
 
             .wrap_optional         => try self.airWrapOptional(inst),
             .wrap_errunion_payload => try self.airWrapErrUnionPayload(inst),
@@ -1855,6 +1857,24 @@ fn airErrUnionPayloadPtrSet(self: *Self, inst: Air.Inst.Index) !void {
     return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });
 }
 
+fn airErrReturnTrace(self: *Self, inst: Air.Inst.Index) !void {
+    const ty_op = self.air.instructions.items(.data)[inst].ty_op;
+    const result: MCValue = if (self.liveness.isUnused(inst))
+        .dead
+    else
+        return self.fail("TODO implement airErrReturnTrace for {}", .{self.target.cpu.arch});
+    return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });
+}
+
+fn airSetErrReturnTrace(self: *Self, inst: Air.Inst.Index) !void {
+    const ty_op = self.air.instructions.items(.data)[inst].ty_op;
+    const result: MCValue = if (self.liveness.isUnused(inst))
+        .dead
+    else
+        return self.fail("TODO implement airSetErrReturnTrace for {}", .{self.target.cpu.arch});
+    return self.finishAir(inst, result, .{ ty_op.operand, .none, .none });
+}
+
 fn airWrapOptional(self: *Self, inst: Air.Inst.Index) !void {
     const ty_op = self.air.instructions.items(.data)[inst].ty_op;
     if (self.liveness.isUnused(inst)) {