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Allow initialization of Asan interceptors before the general Asan initialization takes place on FreeBSD 

Differential Revision: http://reviews.llvm.org/D4496

llvm-svn: 213941
This commit is contained in:
Viktor Kutuzov 2014-07-25 12:45:36 +00:00
parent 2fde54f48c
commit d712403b98
2 changed files with 8 additions and 0 deletions
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1
compiler-rt/lib/asan/asan_interceptors.cc
View File

@ -148,6 +148,7 @@ DECLARE_REAL_AND_INTERCEPTOR(void, free, void *)
#define COMMON_INTERCEPTOR_ON_EXIT(ctx) OnExit()
#define COMMON_INTERCEPTOR_LIBRARY_LOADED(filename, res) CovUpdateMapping()
#define COMMON_INTERCEPTOR_LIBRARY_UNLOADED() CovUpdateMapping()
#define COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED (!asan_inited)
#include "sanitizer_common/sanitizer_common_interceptors.inc"
#define COMMON_SYSCALL_PRE_READ_RANGE(p, s) ASAN_READ_RANGE(p, s)

7
compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc
View File

@ -27,6 +27,7 @@
// COMMON_INTERCEPTOR_MUTEX_REPAIR
// COMMON_INTERCEPTOR_SET_PTHREAD_NAME
// COMMON_INTERCEPTOR_HANDLE_RECVMSG
// COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED
//===----------------------------------------------------------------------===//
#include "interception/interception.h"
#include "sanitizer_addrhashmap.h"
@ -89,6 +90,10 @@
COMMON_INTERCEPTOR_ENTER(ctx, __VA_ARGS__)
#endif
#ifndef COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED
#define COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED (0)
#endif
struct FileMetadata {
// For open_memstream().
char **addr;
@ -174,6 +179,8 @@ INTERCEPTOR(int, strcmp, const char *s1, const char *s2) {
}
INTERCEPTOR(int, strncmp, const char *s1, const char *s2, uptr size) {
if (COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED)
return internal_strncmp(s1, s2, size);
void *ctx;
COMMON_INTERCEPTOR_ENTER(ctx, strncmp, s1, s2, size);
unsigned char c1 = 0, c2 = 0;