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| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2013-07-30 13:04:43 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2013-07-30 13:04:43 +0000 |
| commit | 9d34659cd3570423fb1fa49248887e2bd4b762f9 (patch) | |
| tree | 91bdcf06b6b0edabf9ea58ae00d9627cfb51e87e /lib/sanitizer_common/sanitizer_common_syscalls.inc | |
| parent | 6567092b06b37195cd93d57204bcbfe6843b2a48 (diff) | |
[sanitizer] read() syscall hook.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@187414 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/sanitizer_common/sanitizer_common_syscalls.inc')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_common_syscalls.inc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_common_syscalls.inc b/lib/sanitizer_common/sanitizer_common_syscalls.inc index 5a8b13fe4..5f4b24c0f 100644 --- a/lib/sanitizer_common/sanitizer_common_syscalls.inc +++ b/lib/sanitizer_common/sanitizer_common_syscalls.inc @@ -161,6 +161,15 @@ POST_SYSCALL(clock_getres)(long res, int clk_id, struct sanitizer_kernel_timespec *tp) { if (res == 0 && tp) POST_WRITE(tp, sizeof(*tp)); } + +PRE_SYSCALL(read)(unsigned int fd, char *buf, uptr count) { + if (buf) PRE_WRITE(buf, count); +} + +POST_SYSCALL(read)(long res, unsigned int fd, char *buf, uptr count) { + if (res > 0 && buf) POST_WRITE(buf, res); +} + } // extern "C" #undef PRE_SYSCALL |