[compiler-rt] remove hexdump interception. (llvm#79378)

a freebsd dev member reported a symbol conflict and intercepting this had little value anyway. (cherry picked from commit 16a1ef8)
llvmbot · Feb 8, 2024 · 9fc4cf7 · 9fc4cf7
1 parent c6c8696
commit 9fc4cf7
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diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc b/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc
@@ -10218,20 +10218,6 @@ INTERCEPTOR(int, __xuname, int size, void *utsname) {
 #define INIT___XUNAME
 #endif
 
-#if SANITIZER_INTERCEPT_HEXDUMP
-INTERCEPTOR(void, hexdump, const void *ptr, int length, const char *header, int flags) {
-  void *ctx;
-  COMMON_INTERCEPTOR_ENTER(ctx, hexdump, ptr, length, header, flags);
-  COMMON_INTERCEPTOR_READ_RANGE(ctx, ptr, length);
-  COMMON_INTERCEPTOR_READ_RANGE(ctx, header, internal_strlen(header) + 1);
-  REAL(hexdump)(ptr, length, header, flags);
-}
-
-#define INIT_HEXDUMP COMMON_INTERCEPT_FUNCTION(hexdump);
-#else
-#define INIT_HEXDUMP
-#endif
-
 #if SANITIZER_INTERCEPT_ARGP_PARSE
 INTERCEPTOR(int, argp_parse, const struct argp *argp, int argc, char **argv,
             unsigned flags, int *arg_index, void *input) {
@@ -10581,7 +10567,6 @@ static void InitializeCommonInterceptors() {
   INIT_PROCCTL
   INIT_UNAME;
   INIT___XUNAME;
-  INIT_HEXDUMP;
   INIT_ARGP_PARSE;
   INIT_CPUSET_GETAFFINITY;
 

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h b/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h
@@ -596,7 +596,6 @@
 #define SANITIZER_INTERCEPT___XUNAME SI_FREEBSD
 #define SANITIZER_INTERCEPT_FLOPEN SI_FREEBSD
 #define SANITIZER_INTERCEPT_PROCCTL SI_FREEBSD
-#define SANITIZER_INTERCEPT_HEXDUMP SI_FREEBSD
 #define SANITIZER_INTERCEPT_ARGP_PARSE SI_GLIBC
 #define SANITIZER_INTERCEPT_CPUSET_GETAFFINITY SI_FREEBSD
 

diff --git a/compiler-rt/test/sanitizer_common/TestCases/FreeBSD/hexdump.cc b/compiler-rt/test/sanitizer_common/TestCases/FreeBSD/hexdump.cc