| // Copyright 2017 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <asm.h> |
| |
| #include "sancov-stubs.h" |
| |
| // See the end of dynlink.c for what this is about. |
| |
| .macro sancov_stub name |
| .pushsection .text._dynlink_sancov_\name,"ax",%progbits |
| .weak __sanitizer_cov_\name |
| ENTRY(_dynlink_sancov_\name) |
| #ifdef __x86_64__ |
| jmp *__sanitizer_cov_\name@GOTPCREL(%rip) |
| #elif defined(__aarch64__) |
| adrp x16, :got:__sanitizer_cov_\name |
| ldr x16, [x16, #:got_lo12:__sanitizer_cov_\name] |
| br x16 |
| #else |
| # error unsupported architecture |
| #endif |
| END(_dynlink_sancov_\name) |
| .hidden _dynlink_sancov_\name |
| .popsection |
| .endm |
| |
| #define SANCOV_STUB(name) sancov_stub name; |
| SANCOV_STUBS |
