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-rw-r--r--src/H5detect.c687
1 files changed, 30 insertions, 657 deletions
diff --git a/src/H5detect.c b/src/H5detect.c
index e72d7a0..cf92398 100644
--- a/src/H5detect.c
+++ b/src/H5detect.c
@@ -49,11 +49,6 @@ static const char *FileHeader = "\n\
#include "H5Tpublic.h"
#include "H5Rpublic.h"
-/* Disable warning about cast increasing the alignment of the target type,
- * that's _exactly_ what this code is probing. -QAK
- */
-H5_GCC_CLANG_DIAG_OFF("cast-align")
-
#if defined(__has_attribute)
#if __has_attribute(no_sanitize_address)
#define HDF_NO_UBSAN __attribute__((no_sanitize_address))
@@ -66,30 +61,6 @@ H5_GCC_CLANG_DIAG_OFF("cast-align")
#define MAXDETECT 64
-/* The ALIGNMENT test code may generate the SIGBUS, SIGSEGV, or SIGILL signals.
- * We use setjmp/longjmp in the signal handlers for recovery. But setjmp/longjmp
- * do not necessary restore the signal blocking status while sigsetjmp/siglongjmp
- * do. If sigsetjmp/siglongjmp are not supported, need to use sigprocmask to
- * unblock the signal before doing longjmp.
- */
-/* 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 restored by siglongjmp. */
-#define H5JMP_BUF sigjmp_buf
-#define H5SETJMP(buf) HDsigsetjmp(buf, 1)
-#define H5LONGJMP(buf, val) HDsiglongjmp(buf, val)
-#define H5HAVE_SIGJMP /* sigsetjmp/siglongjmp are supported. */
-#else
-#define H5JMP_BUF jmp_buf
-#define H5SETJMP(buf) HDsetjmp(buf)
-#define H5LONGJMP(buf, val) HDlongjmp(buf, val)
-#endif
-
-/* ALIGNMENT and signal-handling status codes */
-#define STA_NoALIGNMENT 0x0001 /* No ALIGNMENT Test */
-#define STA_NoHandlerVerify 0x0002 /* No signal handler Tests */
-
/*
* This structure holds information about a type that
* was detected.
@@ -105,27 +76,18 @@ typedef struct detected_t {
unsigned int mpos, msize, imp; /* information about mantissa */
unsigned int epos, esize; /* information about exponent */
unsigned long bias; /* exponent bias for floating pt */
- unsigned int align; /* required byte alignment */
unsigned int comp_align; /* alignment for structure */
} detected_t;
-/* This structure holds structure alignment for pointers, vlen and reference
- * types. */
-typedef struct malign_t {
- const char * name;
- unsigned int comp_align; /* alignment for structure */
-} malign_t;
-
FILE *rawoutstream = NULL;
/* global variables types detection code */
H5_GCC_DIAG_OFF("larger-than=")
static detected_t d_g[MAXDETECT];
H5_GCC_DIAG_ON("larger-than=")
-static malign_t m_g[MAXDETECT];
-static volatile int nd_g = 0, na_g = 0;
+static volatile int nd_g = 0;
-static void print_results(int nd, detected_t *d, int na, malign_t *m);
+static void print_results(int nd, detected_t *d);
static void iprint(detected_t *);
static int byte_cmp(int, const void *, const void *, const unsigned char *);
static unsigned int bit_cmp(unsigned int, int *, void *, void *, const unsigned char *);
@@ -134,23 +96,8 @@ static unsigned int imp_bit(unsigned int, int *, void *, void *, const unsigned
static unsigned int find_bias(unsigned int, unsigned int, int *, void *);
static void precision(detected_t *);
static void print_header(void);
-static void detect_C89_integers(void);
static void detect_C89_floats(void);
-static void detect_C99_integers(void);
static void detect_C99_floats(void);
-static void detect_C99_integers8(void);
-static void detect_C99_integers16(void);
-static void detect_C99_integers32(void);
-static void detect_C99_integers64(void);
-static void detect_alignments(void);
-static unsigned int align_g[] = {1, 2, 4, 8, 16};
-static int align_status_g = 0; /* ALIGNMENT Signal Status */
-static int sigbus_handler_called_g = 0; /* how many times called */
-static int sigsegv_handler_called_g = 0; /* how many times called */
-static int sigill_handler_called_g = 0; /* how many times called */
-static int signal_handler_tested_g = 0; /* how many times tested */
-static int verify_signal_handlers(int signum, void (*handler)(int));
-static H5JMP_BUF jbuf_g;
/*-------------------------------------------------------------------------
* Function: precision
@@ -163,105 +110,12 @@ static H5JMP_BUF jbuf_g;
static void
precision(detected_t *d)
{
- unsigned int n;
-
- if (0 == d->msize) {
- /*
- * An integer. The permutation can have negative values at the
- * beginning or end which represent padding of bytes. We must adjust
- * the precision and offset accordingly.
- */
- if (d->perm[0] < 0) {
- /*
- * Lower addresses are padded.
- */
- for (n = 0; n < d->size && d->perm[n] < 0; n++)
- /*void*/;
- d->precision = 8 * (d->size - n);
- d->offset = 0;
- }
- else if (d->perm[d->size - 1] < 0) {
- /*
- * Higher addresses are padded.
- */
- for (n = 0; n < d->size && d->perm[d->size - (n + 1)]; n++)
- /*void*/;
- d->precision = 8 * (d->size - n);
- d->offset = 8 * n;
- }
- else {
- /*
- * No padding.
- */
- d->precision = 8 * d->size;
- d->offset = 0;
- }
- }
- else {
- /* A floating point */
- d->offset = MIN3(d->mpos, d->epos, d->sign);
- d->precision = d->msize + d->esize + 1;
- }
+ /* A floating point */
+ d->offset = MIN3(d->mpos, d->epos, d->sign);
+ d->precision = d->msize + d->esize + 1;
}
/*-------------------------------------------------------------------------
- * Function: DETECT_I/DETECT_BYTE
- *
- * Purpose: These macro takes a type like `int' and a base name like
- * `nati' and detects the byte order. The VAR is used to
- * construct the names of the C variables defined.
- *
- * DETECT_I is used for types that are larger than one byte,
- * DETECT_BYTE is used for types that are exactly one byte.
- *
- * Return: void
- *
- *-------------------------------------------------------------------------
- */
-#define DETECT_I_BYTE_CORE(TYPE, VAR, INFO, DETECT_TYPE) \
- { \
- DETECT_TYPE _v; \
- int _i, _j; \
- unsigned char *_x; \
- \
- HDmemset(&INFO, 0, sizeof(INFO)); \
- INFO.varname = #VAR; \
- INFO.size = sizeof(TYPE); \
- \
- for (_i = sizeof(DETECT_TYPE), _v = 0; _i > 0; --_i) \
- _v = (DETECT_TYPE)((DETECT_TYPE)(_v << 8) + (DETECT_TYPE)_i); \
- \
- for (_i = 0, _x = (unsigned char *)&_v; _i < (signed)sizeof(DETECT_TYPE); _i++) { \
- _j = (*_x++) - 1; \
- HDassert(_j < (signed)sizeof(DETECT_TYPE)); \
- INFO.perm[_i] = _j; \
- } /* end for */ \
- \
- INFO.sign = ('U' != *(#VAR)); \
- precision(&(INFO)); \
- ALIGNMENT(TYPE, INFO); \
- if (!HDstrcmp(INFO.varname, "SCHAR") || !HDstrcmp(INFO.varname, "SHORT") || \
- !HDstrcmp(INFO.varname, "INT") || !HDstrcmp(INFO.varname, "LONG") || \
- !HDstrcmp(INFO.varname, "LLONG")) { \
- COMP_ALIGNMENT(TYPE, INFO.comp_align); \
- } \
- }
-
-#define DETECT_BYTE(TYPE, VAR, INFO) \
- { \
- HDcompile_assert(sizeof(TYPE) == 1); \
- \
- DETECT_I_BYTE_CORE(TYPE, VAR, INFO, int) \
- }
-
-#define DETECT_I(TYPE, VAR, INFO) \
- { \
- HDcompile_assert(sizeof(TYPE) > 1); \
- \
- DETECT_I_BYTE_CORE(TYPE, VAR, INFO, TYPE) \
- }
-
-/*-------------------------------------------------------------------------
* Function: DETECT_F
*
* Purpose: This macro takes a floating point type like `double' and
@@ -351,28 +205,12 @@ precision(detected_t *d)
_v1 = (TYPE)1.0L; \
INFO.bias = find_bias(INFO.epos, INFO.esize, INFO.perm, &_v1); \
precision(&(INFO)); \
- ALIGNMENT(TYPE, INFO); \
if (!HDstrcmp(INFO.varname, "FLOAT") || !HDstrcmp(INFO.varname, "DOUBLE") || \
!HDstrcmp(INFO.varname, "LDOUBLE")) { \
COMP_ALIGNMENT(TYPE, INFO.comp_align); \
} \
}
-/*-------------------------------------------------------------------------
- * Function: DETECT_M
- *
- * Purpose: This macro takes only miscellaneous structures or pointer.
- * It constructs the names and decides the alignment in structure.
- *
- * Return: void
- *-------------------------------------------------------------------------
- */
-#define DETECT_M(TYPE, VAR, INFO) \
- { \
- INFO.name = #VAR; \
- COMP_ALIGNMENT(TYPE, INFO.comp_align); \
- }
-
/* Detect alignment for C structure */
#define COMP_ALIGNMENT(TYPE, COMP_ALIGN) \
{ \
@@ -384,140 +222,6 @@ precision(detected_t *d)
COMP_ALIGN = (unsigned int)((char *)(&(s.x)) - (char *)(&s)); \
}
-#define ALIGNMENT(TYPE, INFO) \
- { \
- char *volatile _buf = NULL; \
- TYPE _val = 1, _val2; \
- volatile size_t _ano = 0; \
- void (*_handler)(int) = HDsignal(SIGBUS, sigbus_handler); \
- void (*_handler2)(int) = HDsignal(SIGSEGV, sigsegv_handler); \
- void (*_handler3)(int) = HDsignal(SIGILL, sigill_handler); \
- \
- _buf = (char *)HDmalloc(sizeof(TYPE) + align_g[NELMTS(align_g) - 1]); \
- if (H5SETJMP(jbuf_g)) \
- _ano++; \
- if (_ano < NELMTS(align_g)) { \
- *((TYPE *)(_buf + align_g[_ano])) = _val; /*possible SIGBUS or SEGSEGV*/ \
- _val2 = *((TYPE *)(_buf + align_g[_ano])); /*possible SIGBUS or SEGSEGV*/ \
- /* Cray Check: This section helps detect alignment on Cray's */ \
- /* vector machines (like the SV1) which mask off */ \
- /* pointer values when pointing to non-word aligned */ \
- /* locations with pointers that are supposed to be */ \
- /* word aligned. -QAK */ \
- HDmemset(_buf, 0xff, sizeof(TYPE) + align_g[NELMTS(align_g) - 1]); \
- /*How to handle VAX types?*/ \
- if (INFO.perm[0]) /* Big-Endian */ \
- HDmemcpy(_buf + align_g[_ano] + (INFO.size - ((INFO.offset + INFO.precision) / 8)), \
- ((char *)&_val) + (INFO.size - ((INFO.offset + INFO.precision) / 8)), \
- (size_t)(INFO.precision / 8)); \
- else /* Little-Endian */ \
- HDmemcpy(_buf + align_g[_ano] + (INFO.offset / 8), ((char *)&_val) + (INFO.offset / 8), \
- (size_t)(INFO.precision / 8)); \
- _val2 = *((TYPE *)(_buf + align_g[_ano])); \
- H5_GCC_CLANG_DIAG_OFF("float-equal") \
- if (_val != _val2) \
- H5LONGJMP(jbuf_g, 1); \
- H5_GCC_CLANG_DIAG_ON("float-equal") \
- /* End Cray Check */ \
- (INFO.align) = align_g[_ano]; \
- } \
- else { \
- (INFO.align) = 0; \
- fprintf(stderr, "unable to calculate alignment for %s\n", #TYPE); \
- } \
- HDfree(_buf); \
- HDsignal(SIGBUS, _handler); /*restore original handler*/ \
- HDsignal(SIGSEGV, _handler2); /*restore original handler*/ \
- HDsignal(SIGILL, _handler3); /*restore original handler*/ \
- }
-
-/*-------------------------------------------------------------------------
- * Function: sigsegv_handler
- *
- * Purpose: Handler for SIGSEGV. We use signal() instead of sigaction()
- * because it's more portable to non-Posix systems. Although
- * it's not nearly as nice to work with, it does the job for
- * this simple stuff.
- *
- * Return: Returns via H5LONGJMP to jbuf_g.
- *-------------------------------------------------------------------------
- */
-static void
-sigsegv_handler(int H5_ATTR_UNUSED signo)
-{
-#if !defined(H5HAVE_SIGJMP) && defined(H5_HAVE_SIGPROCMASK)
- /* Use sigprocmask to unblock the signal if sigsetjmp/siglongjmp are not */
- /* supported. */
- sigset_t set;
-
- HDsigemptyset(&set);
- HDsigaddset(&set, SIGSEGV);
- HDsigprocmask(SIG_UNBLOCK, &set, NULL);
-#endif
-
- sigsegv_handler_called_g++;
- HDsignal(SIGSEGV, sigsegv_handler);
- H5LONGJMP(jbuf_g, SIGSEGV);
-}
-
-/*-------------------------------------------------------------------------
- * Function: sigbus_handler
- *
- * Purpose: Handler for SIGBUS. We use signal() instead of sigaction()
- * because it's more portable to non-Posix systems. Although
- * it's not nearly as nice to work with, it does the job for
- * this simple stuff.
- *
- * Return: Returns via H5LONGJMP to jbuf_g.
- *-------------------------------------------------------------------------
- */
-static void
-sigbus_handler(int H5_ATTR_UNUSED signo)
-{
-#if !defined(H5HAVE_SIGJMP) && defined(H5_HAVE_SIGPROCMASK)
- /* Use sigprocmask to unblock the signal if sigsetjmp/siglongjmp are not */
- /* supported. */
- sigset_t set;
-
- HDsigemptyset(&set);
- HDsigaddset(&set, SIGBUS);
- HDsigprocmask(SIG_UNBLOCK, &set, NULL);
-#endif
-
- sigbus_handler_called_g++;
- HDsignal(SIGBUS, sigbus_handler);
- H5LONGJMP(jbuf_g, SIGBUS);
-}
-
-/*-------------------------------------------------------------------------
- * Function: sigill_handler
- *
- * Purpose: Handler for SIGILL. We use signal() instead of sigaction()
- * because it's more portable to non-Posix systems. Although
- * it's not nearly as nice to work with, it does the job for
- * this simple stuff.
- *
- * Return: Returns via H5LONGJMP to jbuf_g.
- *-------------------------------------------------------------------------
- */
-static void
-sigill_handler(int H5_ATTR_UNUSED signo)
-{
-#if !defined(H5HAVE_SIGJMP) && defined(H5_HAVE_SIGPROCMASK)
- /* Use sigprocmask to unblock the signal if sigsetjmp/siglongjmp are not */
- /* supported. */
- sigset_t set;
-
- HDsigemptyset(&set);
- HDsigaddset(&set, SIGILL);
- HDsigprocmask(SIG_UNBLOCK, &set, NULL);
-#endif
-
- sigill_handler_called_g++;
- HDsignal(SIGILL, sigill_handler);
- H5LONGJMP(jbuf_g, SIGILL);
-}
-
/*-------------------------------------------------------------------------
* Function: print_results
*
@@ -527,7 +231,7 @@ sigill_handler(int H5_ATTR_UNUSED signo)
*-------------------------------------------------------------------------
*/
static void
-print_results(int nd, detected_t *d, int na, malign_t *misc_align)
+print_results(int nd, detected_t *d)
{
int byte_order = 0; /*byte order of data types*/
int i, j;
@@ -645,10 +349,9 @@ H5T__init_native(void)\n\
if(NULL == (dt = H5T__alloc()))\n\
HGOTO_ERROR(H5E_DATATYPE, H5E_NOSPACE, FAIL, \"datatype allocation failed\")\n\
dt->shared->state = H5T_STATE_IMMUTABLE;\n\
- dt->shared->type = H5T_%s;\n\
+ dt->shared->type = H5T_FLOAT;\n\
dt->shared->size = %d;\n",
- d[i].msize ? "FLOAT" : "INTEGER", /*class */
- d[i].size); /*size */
+ d[i].size); /*size */
if (byte_order == -1)
fprintf(rawoutstream, "\
@@ -669,46 +372,36 @@ H5T__init_native(void)\n\
d[i].precision); /*precision */
/*HDassert((d[i].perm[0]>0)==(byte_order>0));*/ /* Double-check that byte-order doesn't change */
- if (0 == d[i].msize) {
- /* The part unique to fixed point types */
- fprintf(rawoutstream, "\
- dt->shared->u.atomic.u.i.sign = H5T_SGN_%s;\n",
- d[i].sign ? "2" : "NONE");
- }
- else {
- /* The part unique to floating point types */
- fprintf(rawoutstream, "\
- dt->shared->u.atomic.u.f.sign = %d;\n\
- dt->shared->u.atomic.u.f.epos = %d;\n\
- dt->shared->u.atomic.u.f.esize = %d;\n\
- dt->shared->u.atomic.u.f.ebias = 0x%08lx;\n\
- dt->shared->u.atomic.u.f.mpos = %d;\n\
- dt->shared->u.atomic.u.f.msize = %d;\n\
- dt->shared->u.atomic.u.f.norm = H5T_NORM_%s;\n\
- dt->shared->u.atomic.u.f.pad = H5T_PAD_ZERO;\n",
- d[i].sign, /*sign location */
- d[i].epos, /*exponent loc */
- d[i].esize, /*exponent size */
- (unsigned long)(d[i].bias), /*exponent bias */
- d[i].mpos, /*mantissa loc */
- d[i].msize, /*mantissa size */
- d[i].imp ? "IMPLIED" : "NONE"); /*normalization */
- }
+ /* The part unique to floating point types */
+ fprintf(rawoutstream, "\
+dt->shared->u.atomic.u.f.sign = %d;\n\
+dt->shared->u.atomic.u.f.epos = %d;\n\
+dt->shared->u.atomic.u.f.esize = %d;\n\
+dt->shared->u.atomic.u.f.ebias = 0x%08lx;\n\
+dt->shared->u.atomic.u.f.mpos = %d;\n\
+dt->shared->u.atomic.u.f.msize = %d;\n\
+dt->shared->u.atomic.u.f.norm = H5T_NORM_%s;\n\
+dt->shared->u.atomic.u.f.pad = H5T_PAD_ZERO;\n",
+ d[i].sign, /*sign location */
+ d[i].epos, /*exponent loc */
+ d[i].esize, /*exponent size */
+ (unsigned long)(d[i].bias), /*exponent bias */
+ d[i].mpos, /*mantissa loc */
+ d[i].msize, /*mantissa size */
+ d[i].imp ? "IMPLIED" : "NONE"); /*normalization */
/* Register the type */
fprintf(rawoutstream, "\
if((H5T_NATIVE_%s_g = H5I_register(H5I_DATATYPE, dt, FALSE)) < 0)\n\
HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, \"can't register ID for built-in datatype\")\n",
d[i].varname);
- fprintf(rawoutstream, " H5T_NATIVE_%s_ALIGN_g = %lu;\n", d[i].varname,
- (unsigned long)(d[i].align));
/* Variables for alignment of compound datatype */
if (!HDstrcmp(d[i].varname, "SCHAR") || !HDstrcmp(d[i].varname, "SHORT") ||
!HDstrcmp(d[i].varname, "INT") || !HDstrcmp(d[i].varname, "LONG") ||
!HDstrcmp(d[i].varname, "LLONG") || !HDstrcmp(d[i].varname, "FLOAT") ||
!HDstrcmp(d[i].varname, "DOUBLE") || !HDstrcmp(d[i].varname, "LDOUBLE")) {
- fprintf(rawoutstream, " H5T_NATIVE_%s_COMP_ALIGN_g = %lu;\n", d[i].varname,
+ fprintf(rawoutstream, " H5T_NATIVE_%s_ALIGN_g = %lu;\n", d[i].varname,
(unsigned long)(d[i].comp_align));
}
}
@@ -727,12 +420,6 @@ H5T__init_native(void)\n\
"BE");
}
- /* Structure alignment for pointers, vlen and reference types */
- fprintf(rawoutstream, "\n /* Structure alignment for pointers, vlen and reference types */\n");
- for (j = 0; j < na; j++)
- fprintf(rawoutstream, " H5T_%s_COMP_ALIGN_g = %lu;\n", misc_align[j].name,
- (unsigned long)(misc_align[j].comp_align));
-
fprintf(rawoutstream, "\
\n\
done:\n\
@@ -745,42 +432,6 @@ done:\n\
\n\
FUNC_LEAVE_NOAPI(ret_value);\n} /* end H5T__init_native() */\n");
- /* Print the ALIGNMENT and signal-handling status as comments */
- fprintf(rawoutstream, "\n"
- "/****************************************/\n"
- "/* ALIGNMENT and signal-handling status */\n"
- "/****************************************/\n");
- if (align_status_g & STA_NoALIGNMENT)
- fprintf(rawoutstream, "/* ALIGNAMENT test is not available */\n");
- if (align_status_g & STA_NoHandlerVerify)
- fprintf(rawoutstream, "/* Signal handlers verify test is not available */\n");
- /* The following is available in H5pubconf.h. Printing them here for */
- /* convenience. */
-#ifdef H5_HAVE_SIGSETJMP
- fprintf(rawoutstream, "/* sigsetjmp() support: yes */\n");
-#else
- fprintf(rawoutstream, "/* sigsetjmp() support: no */\n");
-#endif
-#ifdef H5_HAVE_SIGLONGJMP
- fprintf(rawoutstream, "/* siglongjmp() support: yes */\n");
-#else
- fprintf(rawoutstream, "/* siglongjmp() support: no */\n");
-#endif
-#ifdef H5_HAVE_SIGPROCMASK
- fprintf(rawoutstream, "/* sigprocmask() support: yes */\n");
-#else
- fprintf(rawoutstream, "/* sigprocmask() support: no */\n");
-#endif
-
- /* Print the statistics of signal handlers called for debugging */
- fprintf(rawoutstream, "\n"
- "/******************************/\n"
- "/* signal handlers statistics */\n"
- "/******************************/\n");
- fprintf(rawoutstream, "/* signal_handlers tested: %d times */\n", signal_handler_tested_g);
- fprintf(rawoutstream, "/* sigbus_handler called: %d times */\n", sigbus_handler_called_g);
- fprintf(rawoutstream, "/* sigsegv_handler called: %d times */\n", sigsegv_handler_called_g);
- fprintf(rawoutstream, "/* sigill_handler called: %d times */\n", sigill_handler_called_g);
} /* end print_results() */
/*-------------------------------------------------------------------------
@@ -820,7 +471,7 @@ iprint(detected_t *d)
unsigned int j;
for (j = 8; j > 0; --j) {
- if (k == d->sign && d->msize) {
+ if (k == d->sign) {
HDfputc('S', rawoutstream);
}
else if (k >= d->epos && k < d->epos + d->esize) {
@@ -829,14 +480,8 @@ iprint(detected_t *d)
else if (k >= d->mpos && k < d->mpos + d->msize) {
HDfputc('M', rawoutstream);
}
- else if (d->msize) {
- HDfputc('?', rawoutstream); /*unknown floating point bit */
- }
- else if (d->sign) {
- HDfputc('I', rawoutstream);
- }
else {
- HDfputc('U', rawoutstream);
+ HDfputc('?', rawoutstream); /*unknown floating point bit */
}
--k;
}
@@ -853,22 +498,7 @@ iprint(detected_t *d)
/*
* Is there an implicit bit in the mantissa.
*/
- if (d->msize) {
- fprintf(rawoutstream, " * Implicit bit? %s\n", d->imp ? "yes" : "no");
- }
-
- /*
- * Alignment
- */
- if (0 == d->align) {
- fprintf(rawoutstream, " * Alignment: NOT CALCULATED\n");
- }
- else if (1 == d->align) {
- fprintf(rawoutstream, " * Alignment: none\n");
- }
- else {
- fprintf(rawoutstream, " * Alignment: %lu\n", (unsigned long)(d->align));
- }
+ fprintf(rawoutstream, " * Implicit bit? %s\n", d->imp ? "yes" : "no");
}
/*-------------------------------------------------------------------------
@@ -1222,35 +852,6 @@ bit.\n";
}
/*-------------------------------------------------------------------------
- * Function: detect_C89_integers
- *
- * Purpose: Detect C89 integer types
- *
- * Return: void
- *-------------------------------------------------------------------------
- */
-static void HDF_NO_UBSAN
-detect_C89_integers(void)
-{
- DETECT_BYTE(signed char, SCHAR, d_g[nd_g]);
- nd_g++;
- DETECT_BYTE(unsigned char, UCHAR, d_g[nd_g]);
- nd_g++;
- DETECT_I(short, SHORT, d_g[nd_g]);
- nd_g++;
- DETECT_I(unsigned short, USHORT, d_g[nd_g]);
- nd_g++;
- DETECT_I(int, INT, d_g[nd_g]);
- nd_g++;
- DETECT_I(unsigned int, UINT, d_g[nd_g]);
- nd_g++;
- DETECT_I(long, LONG, d_g[nd_g]);
- nd_g++;
- DETECT_I(unsigned long, ULONG, d_g[nd_g]);
- nd_g++;
-}
-
-/*-------------------------------------------------------------------------
* Function: detect_C89_floats
*
* Purpose: Detect C89 floating point types
@@ -1268,131 +869,6 @@ detect_C89_floats(void)
}
/*-------------------------------------------------------------------------
- * Function: detect_C99_integers8
- *
- * Purpose: Detect C99 8 bit integer types
- *
- * Return: void
- *-------------------------------------------------------------------------
- */
-static void HDF_NO_UBSAN
-detect_C99_integers8(void)
-{
- DETECT_BYTE(int8_t, INT8, d_g[nd_g]);
- nd_g++;
- DETECT_BYTE(uint8_t, UINT8, d_g[nd_g]);
- nd_g++;
- DETECT_BYTE(int_least8_t, INT_LEAST8, d_g[nd_g]);
- nd_g++;
- DETECT_BYTE(uint_least8_t, UINT_LEAST8, d_g[nd_g]);
- nd_g++;
- DETECT_BYTE(int_fast8_t, INT_FAST8, d_g[nd_g]);
- nd_g++;
- DETECT_BYTE(uint_fast8_t, UINT_FAST8, d_g[nd_g]);
- nd_g++;
-}
-
-/*-------------------------------------------------------------------------
- * Function: detect_C99_integers16
- *
- * Purpose: Detect C99 16 bit integer types
- *
- * Return: void
- *-------------------------------------------------------------------------
- */
-static void HDF_NO_UBSAN
-detect_C99_integers16(void)
-{
- DETECT_I(int16_t, INT16, d_g[nd_g]);
- nd_g++;
- DETECT_I(uint16_t, UINT16, d_g[nd_g]);
- nd_g++;
- DETECT_I(int_least16_t, INT_LEAST16, d_g[nd_g]);
- nd_g++;
- DETECT_I(uint_least16_t, UINT_LEAST16, d_g[nd_g]);
- nd_g++;
- DETECT_I(int_fast16_t, INT_FAST16, d_g[nd_g]);
- nd_g++;
- DETECT_I(uint_fast16_t, UINT_FAST16, d_g[nd_g]);
- nd_g++;
-}
-
-/*-------------------------------------------------------------------------
- * Function: detect_C99_integers32
- *
- * Purpose: Detect C99 32 bit integer types
- *
- * Return: void
- *-------------------------------------------------------------------------
- */
-static void HDF_NO_UBSAN
-detect_C99_integers32(void)
-{
- DETECT_I(int32_t, INT32, d_g[nd_g]);
- nd_g++;
- DETECT_I(uint32_t, UINT32, d_g[nd_g]);
- nd_g++;
- DETECT_I(int_least32_t, INT_LEAST32, d_g[nd_g]);
- nd_g++;
- DETECT_I(uint_least32_t, UINT_LEAST32, d_g[nd_g]);
- nd_g++;
- DETECT_I(int_fast32_t, INT_FAST32, d_g[nd_g]);
- nd_g++;
- DETECT_I(uint_fast32_t, UINT_FAST32, d_g[nd_g]);
- nd_g++;
-}
-
-/*-------------------------------------------------------------------------
- * Function: detect_C99_integers64
- *
- * Purpose: Detect C99 64 bit integer types
- *
- * Return: void
- *
- *-------------------------------------------------------------------------
- */
-static void HDF_NO_UBSAN
-detect_C99_integers64(void)
-{
- DETECT_I(int64_t, INT64, d_g[nd_g]);
- nd_g++;
- DETECT_I(uint64_t, UINT64, d_g[nd_g]);
- nd_g++;
- DETECT_I(int_least64_t, INT_LEAST64, d_g[nd_g]);
- nd_g++;
- DETECT_I(uint_least64_t, UINT_LEAST64, d_g[nd_g]);
- nd_g++;
- DETECT_I(int_fast64_t, INT_FAST64, d_g[nd_g]);
- nd_g++;
- DETECT_I(uint_fast64_t, UINT_FAST64, d_g[nd_g]);
- nd_g++;
-
- DETECT_I(long long, LLONG, d_g[nd_g]);
- nd_g++;
- DETECT_I(unsigned long long, ULLONG, d_g[nd_g]);
- nd_g++;
-}
-
-/*-------------------------------------------------------------------------
- * Function: detect_C99_integers
- *
- * Purpose: Detect C99 integer types
- *
- * Return: void
- *-------------------------------------------------------------------------
- */
-static void HDF_NO_UBSAN
-detect_C99_integers(void)
-{
- /* break it down to more subroutines so that each module subroutine */
- /* is smaller and takes less time to compile with optimization on. */
- detect_C99_integers8();
- detect_C99_integers16();
- detect_C99_integers32();
- detect_C99_integers64();
-}
-
-/*-------------------------------------------------------------------------
* Function: detect_C99_floats
*
* Purpose: Detect C99 floating point types
@@ -1419,87 +895,6 @@ detect_C99_floats(void)
}
/*-------------------------------------------------------------------------
- * Function: detect_alignments
- *
- * Purpose: Detect structure alignments
- *
- * Return: void
- *-------------------------------------------------------------------------
- */
-static void HDF_NO_UBSAN
-detect_alignments(void)
-{
- /* Detect structure alignment for pointers, vlen and reference types */
- DETECT_M(void *, POINTER, m_g[na_g]);
- na_g++;
- DETECT_M(hvl_t, HVL, m_g[na_g]);
- na_g++;
- DETECT_M(hobj_ref_t, HOBJREF, m_g[na_g]);
- na_g++;
- DETECT_M(hdset_reg_ref_t, HDSETREGREF, m_g[na_g]);
- na_g++;
- DETECT_M(H5R_ref_t, REF, m_g[na_g]);
- na_g++;
-}
-
-/* Verify the signal handler for signal signum works correctly multiple times.
- * One possible cause of failure is that the signal handling is blocked or
- * changed to SIG_DFL after H5LONGJMP.
- * Return 0 for success, -1 for failure.
- */
-static int
-verify_signal_handlers(int signum, void (*handler)(int))
-{
-#if defined(__has_feature) /* Clang */
-#if __has_feature(address_sanitizer) || __has_feature(thread_sanitizer)
- /* Under the address and thread sanitizers, don't raise any signals. */
- return 0;
-#endif
-#elif defined(__SANITIZE_ADDRESS__) || defined(__SANITIZE_THREAD__) /* GCC */
- return 0;
-#endif
- void (*save_handler)(int) = HDsignal(signum, handler);
- volatile int i, val;
- int ntries = 5;
- volatile int nfailures = 0;
- volatile int nsuccesses = 0;
-
- for (i = 0; i < ntries; i++) {
- val = H5SETJMP(jbuf_g);
- if (val == 0) {
- /* send self the signal to trigger the handler */
- signal_handler_tested_g++;
- HDraise(signum);
- /* Should not reach here. Record error. */
- nfailures++;
- }
- else {
- if (val == signum) {
- /* return from signum handler. Record a success. */
- nsuccesses++;
- }
- else {
- fprintf(stderr, "Unknown return value (%d) from H5SETJMP", val);
- nfailures++;
- }
- }
- }
- /* restore save handler, check results and report failures */
- HDsignal(signum, save_handler);
- if (nfailures > 0 || nsuccesses != ntries) {
- fprintf(stderr,
- "verify_signal_handlers for signal %d did %d tries. "
- "Found %d failures and %d successes\n",
- signum, ntries, nfailures, nsuccesses);
- return -1;
- }
- else {
- /* all succeeded */
- return 0;
- }
-}
-
-/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Main entry point.
@@ -1527,35 +922,15 @@ main(int argc, char *argv[])
if (!rawoutstream)
rawoutstream = stdout;
- /* verify the SIGBUS and SIGSEGV handlers work properly */
- if (verify_signal_handlers(SIGBUS, sigbus_handler) != 0) {
- fprintf(stderr, "Signal handler %s for signal %d failed\n", "sigbus_handler", SIGBUS);
- }
- if (verify_signal_handlers(SIGSEGV, sigsegv_handler) != 0) {
- fprintf(stderr, "Signal handler %s for signal %d failed\n", "sigsegv_handler", SIGSEGV);
- }
- if (verify_signal_handlers(SIGILL, sigill_handler) != 0) {
- fprintf(stderr, "Signal handler %s for signal %d failed\n", "sigill_handler", SIGILL);
- }
-
print_header();
- /* C89 integer types */
- detect_C89_integers();
-
- /* C99 integer types */
- detect_C99_integers();
-
/* C89 floating point types */
detect_C89_floats();
/* C99 floating point types */
detect_C99_floats();
- /* Detect structure alignment */
- detect_alignments();
-
- print_results(nd_g, d_g, na_g, m_g);
+ print_results(nd_g, d_g);
if (rawoutstream && rawoutstream != stdout) {
if (HDfclose(rawoutstream))
@@ -1566,5 +941,3 @@ main(int argc, char *argv[])
return EXIT_SUCCESS;
}
-
-H5_GCC_CLANG_DIAG_ON("cast-align")
generated by cgit v0.12 at 2024-11-19 01:03:18 (GMT)