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Issue 508823007:
Expose LLC's -force-align-stack flag to pnacl-translate (Closed)
Base URL: svn://svn.chromium.org/native_client/trunk/src/native_client| Index: tests/toolchain/call_with_misaligned_stack.S |
| diff --git a/tests/toolchain/call_with_misaligned_stack.S b/tests/toolchain/call_with_misaligned_stack.S |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..964a5031aa87e09e918c696f71188e780150e43b |
| --- /dev/null |
| +++ b/tests/toolchain/call_with_misaligned_stack.S |
| @@ -0,0 +1,21 @@ |
| +/* |
| + * Copyright (c) 2014 The Native Client Authors. All rights reserved. |
| + * Use of this source code is governed by a BSD-style license that can be |
| + * found in the LICENSE file. |
| + */ |
| + |
| +/* |
| + Call the argument with a stack pointer 4 bytes below its value on entry. |
|
Mark Seaborn
2014/08/28 19:13:13
Nit: Use the NaCl style for multiline comments, wi
Derek Schuff
2014/08/28 22:07:24
Done.
|
| + This will ensure that (assuming it's aligned on a 16-byte boundary on entry) |
| + it will be misaligned on entry to the callee. |
| +*/ |
| + .text |
| + .p2align 5 |
| + .globl call_with_misaligned_stack |
| + .type call_with_misaligned_stack, @function |
| +call_with_misaligned_stack: |
| + movl 4(%esp), %ecx /* call target */ |
| + naclcall %ecx |
| + pop %ecx |
| + nacljmp %ecx |
| + .p2align 5 |
