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author | Allen Byrne <byrn@hdfgroup.org> | 2018-02-05 19:01:55 (GMT) |
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committer | Allen Byrne <byrn@hdfgroup.org> | 2018-02-05 19:01:55 (GMT) |
commit | 7f831740f03b2687042c6e5ab951b9ad417d76e2 (patch) | |
tree | e54f914eff1a3152f91644af5020ccb82eb0a368 /src/H5detect.c | |
parent | 957d1b85d8e7551c975a8378b9753a628068748c (diff) | |
download | hdf5-7f831740f03b2687042c6e5ab951b9ad417d76e2.zip hdf5-7f831740f03b2687042c6e5ab951b9ad417d76e2.tar.gz hdf5-7f831740f03b2687042c6e5ab951b9ad417d76e2.tar.bz2 |
HDFFV-10398 patch for UBSAN
Diffstat (limited to 'src/H5detect.c')
-rw-r--r-- | src/H5detect.c | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/src/H5detect.c b/src/H5detect.c index 2dae228..33eba81 100644 --- a/src/H5detect.c +++ b/src/H5detect.c @@ -36,8 +36,8 @@ static const char *FileHeader = "\n\ * Livermore National Laboratory. * * Detects machine byte order and floating point - * format and generates a C source file (native.c) - * to describe those paramters. + * format and generates a C source file (H5Tinit.c) + * to describe those parameters. * * Assumptions: We have an ANSI compiler. We're on a Unix like * system or configure has detected those Unix @@ -54,6 +54,16 @@ static const char *FileHeader = "\n\ #include "H5Tpublic.h" #include "H5Rpublic.h" +#if defined(__has_attribute) +#if __has_attribute(no_sanitize) +#define HDF_NO_UBSAN __attribute__((no_sanitize("undefined"))) +#else +#define HDF_NO_UBSAN +#endif +#else +#define HDF_NO_UBSAN +#endif + #define MAXDETECT 64 /* The ALIGNMENT test code may generate the SIGBUS, SIGSEGV, or SIGILL signals. @@ -65,7 +75,7 @@ static const char *FileHeader = "\n\ /* Define H5SETJMP/H5LONGJMP depending on if sigsetjmp/siglongjmp are */ /* supported. */ #if defined(H5_HAVE_SIGSETJMP) && defined(H5_HAVE_SIGLONGJMP) -/* Always save blocked signals to be restore by siglongjmp. */ +/* Always save blocked signals to be restored by siglongjmp. */ #define H5JMP_BUF sigjmp_buf #define H5SETJMP(buf) HDsigsetjmp(buf, 1) #define H5LONGJMP(buf, val) HDsiglongjmp(buf, val) @@ -1348,7 +1358,7 @@ bit.\n"; *------------------------------------------------------------------------- */ static void -detect_C89_integers(void) +detect_C89_integers(void) HDF_NO_UBSAN { DETECT_BYTE(signed char, SCHAR, d_g[nd_g]); nd_g++; DETECT_BYTE(unsigned char, UCHAR, d_g[nd_g]); nd_g++; @@ -1376,7 +1386,7 @@ detect_C89_integers(void) *------------------------------------------------------------------------- */ static void -detect_C89_floats(void) +detect_C89_floats(void) HDF_NO_UBSAN { DETECT_F(float, FLOAT, d_g[nd_g]); nd_g++; DETECT_F(double, DOUBLE, d_g[nd_g]); nd_g++; @@ -1398,7 +1408,7 @@ detect_C89_floats(void) *------------------------------------------------------------------------- */ static void -detect_C99_integers8(void) +detect_C99_integers8(void) HDF_NO_UBSAN { #if H5_SIZEOF_INT8_T>0 #if H5_SIZEOF_INT8_T==1 @@ -1460,7 +1470,7 @@ detect_C99_integers8(void) *------------------------------------------------------------------------- */ static void -detect_C99_integers16(void) +detect_C99_integers16(void) HDF_NO_UBSAN { #if H5_SIZEOF_INT16_T>0 DETECT_I(int16_t, INT16, d_g[nd_g]); nd_g++; @@ -1498,7 +1508,7 @@ detect_C99_integers16(void) *------------------------------------------------------------------------- */ static void -detect_C99_integers32(void) +detect_C99_integers32(void) HDF_NO_UBSAN { #if H5_SIZEOF_INT32_T>0 DETECT_I(int32_t, INT32, d_g[nd_g]); nd_g++; @@ -1536,7 +1546,7 @@ detect_C99_integers32(void) *------------------------------------------------------------------------- */ static void -detect_C99_integers64(void) +detect_C99_integers64(void) HDF_NO_UBSAN { #if H5_SIZEOF_INT64_T>0 DETECT_I(int64_t, INT64, d_g[nd_g]); nd_g++; @@ -1587,7 +1597,7 @@ detect_C99_integers64(void) *------------------------------------------------------------------------- */ static void -detect_C99_integers(void) +detect_C99_integers(void) HDF_NO_UBSAN { /* break it down to more subroutines so that each module subroutine */ /* is smaller and takes less time to compile with optimization on. */ @@ -1613,7 +1623,7 @@ detect_C99_integers(void) *------------------------------------------------------------------------- */ static void -detect_C99_floats(void) +detect_C99_floats(void) HDF_NO_UBSAN { #if H5_SIZEOF_DOUBLE == H5_SIZEOF_LONG_DOUBLE /* @@ -1644,7 +1654,7 @@ detect_C99_floats(void) *------------------------------------------------------------------------- */ static void -detect_alignments(void) +detect_alignments(void) HDF_NO_UBSAN { /* Detect structure alignment for pointers, hvl_t, hobj_ref_t, hdset_reg_ref_t */ DETECT_M(void *, POINTER, m_g[na_g]); na_g++; @@ -1662,6 +1672,12 @@ detect_alignments(void) */ static int verify_signal_handlers(int signum, void (*handler)(int)) { +#if defined(__has_feature) +#if __has_feature(address_sanitizer) || __has_feature(thread_sanitizer) + /* Under the address and thread sanitizers, don't raise any signals. */ + return 0; +#endif +#endif void (*save_handler)(int) = HDsignal(signum, handler); int i, val; int ntries=5; @@ -1726,7 +1742,7 @@ static int verify_signal_handlers(int signum, void (*handler)(int)) *------------------------------------------------------------------------- */ int -main(void) +main(void) HDF_NO_UBSAN { #if defined(H5_HAVE_SETSYSINFO) && defined(SSI_NVPAIRS) |