[sanitizer] Restore perf_event_attr handling.

This time in a forward/backward compatible way.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@195434 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 4 deletions

diff --git a/lib/sanitizer_common/sanitizer_common_syscalls.inc b/lib/sanitizer_common/sanitizer_common_syscalls.inc
index 97ece7032..415908df3 100644
--- a/lib/sanitizer_common/sanitizer_common_syscalls.inc
+++ b/lib/sanitizer_common/sanitizer_common_syscalls.inc
@@ -2709,11 +2709,13 @@ PRE_SYSCALL(syncfs)(long fd) {}
 
 POST_SYSCALL(syncfs)(long res, long fd) {}
 
-PRE_SYSCALL(perf_event_open)(void *attr_uptr, long pid, long cpu, long group_fd,
-                             long flags) {}
+PRE_SYSCALL(perf_event_open)(__sanitizer_perf_event_attr *attr_uptr, long pid,
+                             long cpu, long group_fd, long flags) {
+  if (attr_uptr) PRE_READ(attr_uptr, attr_uptr->size);
+}
 
-POST_SYSCALL(perf_event_open)(long res, void *attr_uptr, long pid, long cpu,
-                              long group_fd, long flags) {}
+POST_SYSCALL(perf_event_open)(long res, __sanitizer_perf_event_attr *attr_uptr,
+                              long pid, long cpu, long group_fd, long flags) {}
 
 PRE_SYSCALL(mmap_pgoff)(long addr, long len, long prot, long flags, long fd,
                         long pgoff) {}