2019-08-23 Adhemerval Zanella <adhemerval.zanella@linaro.org>
+ Florian Weimer <fweimer@redhat.com>
+
+ * debug/segfault.c (install_handler): Use SA_SIGINFO if defined.
+ * sysdeps/generic/profil-counter.h (__profil_counter): Cast to
+ uintptr_t.
+ * sysdeps/generic/sigcontextinfo.h (GET_PC): Rename to
+ sigcontext_get_pc and return aligned cast to uintptr_t.
+ * sysdeps/mach/hurd/i386/sigcontextinfo.h (GET_PC): Likewise.
+ * sysdeps/posix/profil.c (profil_count): Change PC argument to
+ uintptr_t.
+ (__profil): Use SA_SIGINFO.
+ * sysdeps/posix/sprofil.c (profil_count): Change PCP argument to
+ uintptr_t.
+ (__sprofil): Use SA_SIGINFO.
+ * sysdeps/unix/sysv/linux/profil-counter.h: New file.
+ * sysdeps/unix/sysv/linux/aarch64/profil-counter.h: Remove file.
+ * sysdeps/unix/sysv/linux/csky/profil-counter.h: Likewise.
+ * sysdeps/unix/sysv/linux/hppa/profil-counter.h: Likewise.
+ * sysdeps/unix/sysv/linux/i386/profil-counter.h: Likewise.
+ * sysdeps/unix/sysv/linux/ia64/profil-counter.h: Likewise.
+ * sysdeps/unix/sysv/linux/microblaze/profil-counter.h: Likewise.
+ * sysdeps/unix/sysv/linux/mips/profil-counter.h: Likewise.
+ * sysdeps/unix/sysv/linux/nios2/profil-counter.h: Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/profil-counter.h: Likewise.
+ * sysdeps/unix/sysv/linux/riscv/profil-counter.h: Likewise.
+ * sysdeps/sysv/linux/s390/s390-32/profil-counter.h: Likewise.
+ * sysdeps/sysv/linux/s390/s390-64/profil-counter.h: Likewise.
+ * sysdeps/unix/sysv/linux/sh/profil-counter.h: Likewise.
+ * sysdeps/unix/sysv/linux/arm/profil-counter.h (__profil_counter):
+ Assume SA_SIGINFO and use sigcontext_get_pc instead of GET_PC.
+ * sysdeps/unix/sysv/linux/sparc/profil-counter.h: New file.
+ * sysdeps/unix/sysv/linux/sparc/sparc64/profil-counter.h: Remove file.
+ * sysdeps/unix/sysv/linux/sparc/sparc32/profil-counter.h: Likewise.
+ * sysdpes/unix/sysv/linux/aarch64/sigcontextinfo.h (SIGCONTEXT,
+ GET_PC, __sigaction, sigaction): Remove defines.
+ (sigcontext_get_pc): New function.
+ * sysdeps/unix/sysv/linux/alpha/sigcontextinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/arm/sigcontextinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/csky/sigcontextinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/hppa/sigcontextinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/i386/sigcontextinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/ia64/sigcontextinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/m68k/sigcontextinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/mips/sigcontextinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/nios2/sigcontextinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/s390/sigcontextinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/microblaze/sigcontextinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/riscv/sigcontextinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/sh/sigcontextinfo.h: Likewise.
+ * sysdeps/sysv/linux/sparc/sparc32/sigcontextinfo.h: Likewise.
+ * sysdeps/sysv/linux/sparc/sparc64/sigcontextinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/sigcontextinfo.h: Likewise.
+ * sysdeps/unix/sysv/linux/alpha/register-dump.h (register_dump):
+ Handle CTX argument as ucontext_t.
+ * sysdeps/unix/sysv/linux/i386/register-dump.h: Likewise.
+ Likewise.
+ * sysdeps/unix/sysv/linux/m68k/register-dump.h: Likewise.
+ * sysdeps/sysv/linux/s390/s390-32/register-dump.h: Likewise.
+ * sysdeps/sysv/linux/s390/s390-64/register-dump.h: Likewise.
+ * sysdeps/unix/sysv/linux/sh/register-dump.h: New file.
+ * sysdeps/unix/sysv/linux/sh/sh4/register-dump.h: Remove File.
+ * sysdeps/unix/sysv/linux/sh/sh3/register-dump.h: Likewise.
+ * sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h: Likewise.
+ * sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h: Likewise.
+ * sysdeps/unix/sysv/linux/Makefile (tests-internal): Add
+ tst-sigcontextinfo-get_pc.
+ * sysdeps/unix/sysv/linux/tst-sigcontextinfo-get_pc.c: New file.
+ (CFLAGS-tst-sigcontextinfo-get_pc.c): New rule.
+
+2019-08-23 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/generic/single-thread.h (RTLD_SINGLE_THREAD_P): Add
definition.
passed up by the signal handler. */
#include <sigcontextinfo.h>
+#ifdef SA_SIGINFO
+# define SIGCONTEXT siginfo_t *info, void *
+#endif
+
/* Get code to possibly dump the content of all registers. */
#include <register-dump.h>
Normally it will be found at arr[2], but it might appear later
if there were some signal handler wrappers. Allow a few bytes
difference to cope with as many arches as possible. */
- pc = (uintptr_t) GET_PC (ctx);
+ pc = sigcontext_get_pc (ctx);
for (i = 0; i < cnt; ++i)
if ((uintptr_t) arr[i] >= pc - 16 && (uintptr_t) arr[i] <= pc + 16)
break;
const char *sigs = getenv ("SEGFAULT_SIGNALS");
const char *name;
- sa.sa_handler = (void *) catch_segfault;
+#ifdef SA_SIGINFO
+ sa.sa_sigaction = catch_segfault;
+ sa.sa_flags = SA_SIGINFO;
+#else
+ sa.sa_handler = (void*) catch_segfault;
+ sa.sa_flags = 0;
+#endif
sigemptyset (&sa.sa_mask);
- sa.sa_flags = SA_RESTART;
+ sa.sa_flags |= SA_RESTART;
/* Maybe we are expected to use an alternative stack. */
if (getenv ("SEGFAULT_USE_ALTSTACK") != 0)
static void
__profil_counter (int signr, int code, struct sigcontext *scp)
{
- profil_count ((void *) scp->sc_pc);
+ profil_count ((uintptr_t) scp->sc_pc);
}
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
+
/* In general we cannot provide any information. */
#define SIGCONTEXT struct sigcontext *
-#define GET_PC(ctx) ((void *) 0)
+static inline uintptr_t
+sigcontext_get_pc (const struct sigcontext *ctx)
+{
+ return 0;
+}
+
+#endif
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
+
#define SIGCONTEXT struct sigcontext
-#define GET_PC(ctx) ((void *) (ctx).sc_eip)
+static inline uintptr_t
+sigcontext_get_pc (struct sigcontext ctx)
+{
+ return ctx.sc_eip;
+}
+
+#endif
#include <errno.h>
#include <signal.h>
#include <sys/time.h>
+#include <stdint.h>
#include <libc-internal.h>
#include <sigsetops.h>
static u_int pc_scale;
static inline void
-profil_count (void *pc)
+profil_count (uintptr_t pc)
{
- size_t i = (pc - pc_offset - (void *) 0) / 2;
+ size_t i = (pc - pc_offset) / 2;
if (sizeof (unsigned long long int) > sizeof (size_t))
i = (unsigned long long int) i * pc_scale / 65536;
pc_offset = offset;
pc_scale = scale;
- act.sa_handler = (sighandler_t) &__profil_counter;
- act.sa_flags = SA_RESTART;
+#ifdef SA_SIGINFO
+ act.sa_sigaction = __profil_counter;
+ act.sa_flags = SA_SIGINFO;
+#else
+ act.sa_handler = __profil_counter;
+ act.sa_flags = 0;
+#endif
+ act.sa_flags |= SA_RESTART;
__sigfillset (&act.sa_mask);
if (__sigaction (SIGPROF, &act, oact_ptr) < 0)
return -1;
}
static void
-profil_count (void *pcp, int prof_uint)
+profil_count (uintptr_t pcp, int prof_uint)
{
struct region *region, *r = prof_info.last;
- size_t lo, hi, mid, pc = (unsigned long int) pcp;
+ size_t lo, hi, mid, pc = pcp;
unsigned long int i;
/* Fast path: pc is in same region as before. */
}
static inline void
-profil_count_ushort (void *pcp)
+profil_count_ushort (uintptr_t pcp)
{
profil_count (pcp, 0);
}
static inline void
-profil_count_uint (void *pcp)
+profil_count_uint (uintptr_t pcp)
{
profil_count (pcp, 1);
}
prof_info.last = prof_info.region;
/* Install SIGPROF handler. */
- if (flags & PROF_UINT)
- act.sa_handler = (sighandler_t) &__profil_counter_uint;
- else
- act.sa_handler = (sighandler_t) &__profil_counter_ushort;
- act.sa_flags = SA_RESTART;
+#ifdef SA_SIGINFO
+ act.sa_sigaction= flags & PROF_UINT
+ ? __profil_counter_uint
+ : __profil_counter_ushort;
+ act.sa_flags = SA_SIGINFO;
+#else
+ act.sa_handler = flags & PROF_UINT
+ ? (sighandler_t) __profil_counter_uint
+ : (sighandler_t) __profil_counter_ushort;
+ act.sa_flags = 0;
+#endif
+ act.sa_flags |= SA_RESTART;
__sigfillset (&act.sa_mask);
if (__sigaction (SIGPROF, &act, &prof_info.saved_action) < 0)
return -1;
test-errno-linux tst-memfd_create tst-mlock2 tst-pkey \
tst-rlimit-infinity tst-ofdlocks tst-gettid tst-gettid-kill \
tst-tgkill
-tests-internal += tst-ofdlocks-compat
+tests-internal += tst-ofdlocks-compat tst-sigcontext-get_pc
+
+CFLAGS-tst-sigcontextinfo-get_pc.c = -fasynchronous-unwind-tables
# Generate the list of SYS_* macros for the system calls (__NR_*
# macros). The file syscall-names.list contains all possible system
+++ /dev/null
-/* Copyright (C) 2009-2019 Free Software Foundation, Inc.
-
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public License as
- published by the Free Software Foundation; either version 2.1 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-/* We can use the ix86 version. */
-#include <sysdeps/unix/sysv/linux/i386/profil-counter.h>
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
+
#include <stdint.h>
#include <sys/ucontext.h>
-#define SIGCONTEXT siginfo_t *_si, ucontext_t *
-#define GET_PC(ctx) ((void *) (uintptr_t) (ctx)->uc_mcontext.pc)
-
-/* There is no reliable way to get the sigcontext unless we use a
- three-argument signal handler. */
-#define __sigaction(sig, act, oact) ({ \
- (act)->sa_flags |= SA_SIGINFO; \
- (__sigaction) (sig, act, oact); \
-})
+static inline uintptr_t
+sigcontext_get_pc (const ucontext_t *ctx)
+{
+ return ctx->uc_mcontext.pc;
+}
-#define sigaction(sig, act, oact) ({ \
- (act)->sa_flags |= SA_SIGINFO; \
- (sigaction) (sig, act, oact); \
-})
+#endif
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
-#include <stddef.h>
#include <string.h>
+#include <ucontext.h>
+#include <sys/uio.h>
+#include <_itoa.h>
/* We will print the register dump in this format:
TA0: XXXXXXXXXXXXXXXX TA1: XXXXXXXXXXXXXXXX TA2: XXXXXXXXXXXXXXXX
*/
-#define NREGS (32+32+3)
-
-static const char __attribute__((aligned(8))) regnames[NREGS][8] =
-{
- " V0: ", " T0: ", " T1: ",
- " T2: ", " T3: ", " T4: ",
- " T5: ", " T6: ", " T7: ",
- " S0: ", " S1: ", " S2: ",
- " S3: ", " S4: ", " S5: ",
- " S6: ", " A0: ", " A1: ",
- " A2: ", " A3: ", " A4: ",
- " A5: ", " T8: ", " T9: ",
- " T10: ", " T11: ", " RA: ",
- " T12: ", " AT: ", " GP: ",
- " SP: ", " PC: ",
-
- " FP0: ", " FP1: ", " FP2: ",
- " FP3: ", " FP4: ", " FP5: ",
- " FP6: ", " FP7: ", " FP8: ",
- " FP9: ", " FP10: ", " FP11: ",
- " FP12: ", " FP13: ", " FP14: ",
- " FP15: ", " FP16: ", " FP17: ",
- " FP18: ", " FP19: ", " FP20: ",
- " FP21: ", " FP22: ", " FP23: ",
- " FP24: ", " FP25: ", " FP26: ",
- " FP27: ", " FP28: ", " FP29: ",
- " FP30: ", " FPCR: ",
-
- " TA0: ", " TA1: ", " TA2: "
-};
-
-#define O(FIELD, LF) offsetof(struct sigcontext, FIELD) + LF
-
-static const int offsets[NREGS] =
+static void
+hexvalue (unsigned long int value, char *buf, size_t len)
{
- O(sc_regs[0], 0), O(sc_regs[1], 0), O(sc_regs[2], 1),
- O(sc_regs[3], 0), O(sc_regs[4], 0), O(sc_regs[5], 1),
- O(sc_regs[6], 0), O(sc_regs[7], 0), O(sc_regs[8], 1),
- O(sc_regs[9], 0), O(sc_regs[10], 0), O(sc_regs[11], 1),
- O(sc_regs[12], 0), O(sc_regs[13], 0), O(sc_regs[14], 1),
- O(sc_regs[15], 0), O(sc_regs[16], 0), O(sc_regs[17], 1),
- O(sc_regs[18], 0), O(sc_regs[19], 0), O(sc_regs[20], 1),
- O(sc_regs[21], 0), O(sc_regs[22], 0), O(sc_regs[23], 1),
- O(sc_regs[24], 0), O(sc_regs[25], 0), O(sc_regs[26], 1),
- O(sc_regs[27], 0), O(sc_regs[28], 0), O(sc_regs[29], 1),
- O(sc_regs[30], 0), O(sc_pc, 2),
-
- O(sc_fpregs[0], 0), O(sc_fpregs[1], 0), O(sc_fpregs[2], 1),
- O(sc_fpregs[3], 0), O(sc_fpregs[4], 0), O(sc_fpregs[5], 1),
- O(sc_fpregs[6], 0), O(sc_fpregs[7], 0), O(sc_fpregs[8], 1),
- O(sc_fpregs[9], 0), O(sc_fpregs[10], 0), O(sc_fpregs[11], 1),
- O(sc_fpregs[12], 0), O(sc_fpregs[13], 0), O(sc_fpregs[14], 1),
- O(sc_fpregs[15], 0), O(sc_fpregs[16], 0), O(sc_fpregs[17], 1),
- O(sc_fpregs[18], 0), O(sc_fpregs[19], 0), O(sc_fpregs[20], 1),
- O(sc_fpregs[21], 0), O(sc_fpregs[22], 0), O(sc_fpregs[23], 1),
- O(sc_fpregs[24], 0), O(sc_fpregs[25], 0), O(sc_fpregs[26], 1),
- O(sc_fpregs[27], 0), O(sc_fpregs[28], 0), O(sc_fpregs[29], 1),
- O(sc_fpregs[30], 0), O(sc_fpcr, 2),
-
- O(sc_traparg_a0, 0), O(sc_traparg_a1, 0), O(sc_traparg_a2, 1)
-};
-
-#undef O
+ char *cp = _itoa_word (value, buf + len, 16, 0);
+ while (cp > buf)
+ *--cp = '0';
+}
static void
-register_dump (int fd, struct sigcontext *ctx)
+register_dump (int fd, struct ucontext_t *ctx)
{
- char buf[NREGS*(8+16) + 25 + 80];
- char *p = buf;
- size_t i;
-
- p = stpcpy (p, "Register dump:\n\n");
-
- for (i = 0; i < NREGS; ++i)
- {
- int this_offset, this_lf;
- unsigned long val;
- signed long j;
-
- this_offset = offsets[i];
- this_lf = this_offset & 7;
-
- val = *(unsigned long *)(((size_t)ctx + this_offset) & -8);
-
- memcpy (p, regnames[i], 8);
- p += 8;
-
- for (j = 60; j >= 0; j -= 4)
- {
- unsigned long x = (val >> j) & 15;
- x += x < 10 ? '0' : 'a' - 10;
- *p++ = x;
- }
-
- if (this_lf > 0)
- {
- if (this_lf > 1)
- *p++ = '\n';
- *p++ = '\n';
- }
- }
-
- write (fd, buf, p - buf);
+ struct iovec iov[31 * 2 + 2 /* REGS + PC. */
+ + 31 * 2 + 2 /* FREGS + FPCR. */
+ + (3 * 2) /* TA0, TA1, TA3. */
+ + 1 /* '\n'. */];
+ size_t nr = 0;
+
+#define ADD_STRING(str) \
+ iov[nr].iov_base = (char *) str; \
+ iov[nr].iov_len = strlen (str); \
+ ++nr
+#define ADD_MEM(str, len) \
+ iov[nr].iov_base = str; \
+ iov[nr].iov_len = len; \
+ ++nr
+
+ char regs[31][16];
+ char pc[16];
+ for (int i = 0; i < 31; i++)
+ hexvalue (ctx->uc_mcontext.sc_regs[i], regs[i], 16);
+ hexvalue (ctx->uc_mcontext.sc_pc, pc, 16);
+
+ /* Generate the output. */
+ ADD_STRING ("Register dump:\n\n V0: ");
+ ADD_MEM (regs[0], 16);
+ ADD_STRING (" T0: ");
+ ADD_MEM (regs[1], 16);
+ ADD_STRING (" T1: ");
+ ADD_MEM (regs[2], 16);
+ ADD_STRING ("\n T2: ");
+ ADD_MEM (regs[3], 16);
+ ADD_STRING (" T3: ");
+ ADD_MEM (regs[4], 16);
+ ADD_STRING (" T4: ");
+ ADD_MEM (regs[5], 16);
+ ADD_STRING ("\n T5: ");
+ ADD_MEM (regs[6], 16);
+ ADD_STRING (" T6: ");
+ ADD_MEM (regs[7], 16);
+ ADD_STRING (" T7: ");
+ ADD_MEM (regs[8], 16);
+ ADD_STRING ("\n S0: ");
+ ADD_MEM (regs[9], 16);
+ ADD_STRING (" S1: ");
+ ADD_MEM (regs[10], 16);
+ ADD_STRING (" S2: ");
+ ADD_MEM (regs[11], 16);
+ ADD_STRING ("\n S3: ");
+ ADD_MEM (regs[12], 16);
+ ADD_STRING (" S4: ");
+ ADD_MEM (regs[13], 16);
+ ADD_STRING (" S5: ");
+ ADD_MEM (regs[14], 16);
+ ADD_STRING ("\n S6: ");
+ ADD_MEM (regs[15], 16);
+ ADD_STRING (" A0: ");
+ ADD_MEM (regs[16], 16);
+ ADD_STRING (" A1: ");
+ ADD_MEM (regs[17], 16);
+ ADD_STRING ("\n A2: ");
+ ADD_MEM (regs[18], 16);
+ ADD_STRING (" A3: ");
+ ADD_MEM (regs[19], 16);
+ ADD_STRING (" A4: ");
+ ADD_MEM (regs[20], 16);
+ ADD_STRING ("\n A5: ");
+ ADD_MEM (regs[21], 16);
+ ADD_STRING (" T8: ");
+ ADD_MEM (regs[22], 16);
+ ADD_STRING (" T9: ");
+ ADD_MEM (regs[23], 16);
+ ADD_STRING ("\n T10: ");
+ ADD_MEM (regs[24], 16);
+ ADD_STRING (" T11: ");
+ ADD_MEM (regs[25], 16);
+ ADD_STRING (" RA: ");
+ ADD_MEM (regs[26], 16);
+ ADD_STRING ("\n T12: ");
+ ADD_MEM (regs[27], 16);
+ ADD_STRING (" AT: ");
+ ADD_MEM (regs[28], 16);
+ ADD_STRING (" GP: ");
+ ADD_MEM (regs[29], 16);
+ ADD_STRING ("\n SP: ");
+ ADD_MEM (regs[30], 16);
+ ADD_STRING (" PC: ");
+ ADD_MEM (pc, 16);
+
+ char fpregs[31][16];
+ char fpcr[16];
+ for (int i = 0; i < 31; i++)
+ hexvalue (ctx->uc_mcontext.sc_fpregs[i], fpregs[i], 16);
+ hexvalue (ctx->uc_mcontext.sc_fpcr, fpcr, 16);
+
+ ADD_STRING ("\n\n FP0: ");
+ ADD_MEM (fpregs[0], 16);
+ ADD_STRING (" FP1: ");
+ ADD_MEM (fpregs[1], 16);
+ ADD_STRING (" FP2: ");
+ ADD_MEM (fpregs[2], 16);
+ ADD_STRING ("\n FP3: ");
+ ADD_MEM (fpregs[3], 16);
+ ADD_STRING (" FP4: ");
+ ADD_MEM (fpregs[4], 16);
+ ADD_STRING (" FP5: ");
+ ADD_MEM (fpregs[5], 16);
+ ADD_STRING ("\n FP6: ");
+ ADD_MEM (fpregs[6], 16);
+ ADD_STRING (" FP7: ");
+ ADD_MEM (fpregs[7], 16);
+ ADD_STRING (" FP8: ");
+ ADD_MEM (fpregs[8], 16);
+ ADD_STRING ("\n FP9: ");
+ ADD_MEM (fpregs[9], 16);
+ ADD_STRING (" FP10: ");
+ ADD_MEM (fpregs[10], 16);
+ ADD_STRING (" FP11: ");
+ ADD_MEM (fpregs[11], 16);
+ ADD_STRING ("\n FP12: ");
+ ADD_MEM (fpregs[12], 16);
+ ADD_STRING (" FP13: ");
+ ADD_MEM (fpregs[13], 16);
+ ADD_STRING (" FP14: ");
+ ADD_MEM (fpregs[14], 16);
+ ADD_STRING ("\n FP15: ");
+ ADD_MEM (fpregs[15], 16);
+ ADD_STRING (" FP16: ");
+ ADD_MEM (fpregs[16], 16);
+ ADD_STRING (" FP17: ");
+ ADD_MEM (fpregs[17], 16);
+ ADD_STRING ("\n FP18: ");
+ ADD_MEM (fpregs[18], 16);
+ ADD_STRING (" FP19: ");
+ ADD_MEM (fpregs[19], 16);
+ ADD_STRING (" FP20: ");
+ ADD_MEM (fpregs[20], 16);
+ ADD_STRING ("\n FP21: ");
+ ADD_MEM (fpregs[21], 16);
+ ADD_STRING (" FP22: ");
+ ADD_MEM (fpregs[22], 16);
+ ADD_STRING (" FP23: ");
+ ADD_MEM (fpregs[23], 16);
+ ADD_STRING ("\n FP24: ");
+ ADD_MEM (fpregs[24], 16);
+ ADD_STRING (" FP25: ");
+ ADD_MEM (fpregs[25], 16);
+ ADD_STRING (" FP26: ");
+ ADD_MEM (fpregs[26], 16);
+ ADD_STRING ("\n FP27: ");
+ ADD_MEM (fpregs[27], 16);
+ ADD_STRING (" FP28: ");
+ ADD_MEM (fpregs[28], 16);
+ ADD_STRING (" FP29: ");
+ ADD_MEM (fpregs[29], 16);
+ ADD_STRING ("\n FP30: ");
+ ADD_MEM (fpregs[30], 16);
+ ADD_STRING (" FPCR: ");
+ ADD_MEM (fpcr, 16);
+
+ char traparg[3][16];
+ hexvalue (ctx->uc_mcontext.sc_traparg_a0, traparg[0], 16);
+ hexvalue (ctx->uc_mcontext.sc_traparg_a1, traparg[1], 16);
+ hexvalue (ctx->uc_mcontext.sc_traparg_a2, traparg[2], 16);
+ ADD_STRING ("\n\n TA0: ");
+ ADD_MEM (traparg[0], 16);
+ ADD_STRING (" TA1: ");
+ ADD_MEM (traparg[1], 16);
+ ADD_STRING (" TA2: ");
+ ADD_MEM (traparg[2], 16);
+
+ ADD_STRING ("\n");
+
+ /* Write the stuff out. */
+ writev (fd, iov, nr);
}
#define REGISTER_DUMP register_dump (fd, ctx)
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
-#define SIGCONTEXT int _code, struct sigcontext *
-#define GET_PC(ctx) ((void *) (ctx)->sc_pc)
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
+
+#include <stdint.h>
+#include <sys/ucontext.h>
+
+static inline uintptr_t
+sigcontext_get_pc (const ucontext_t *ctx)
+{
+ return ctx->uc_mcontext.sc_pc;
+}
+
+#endif
#include <sigcontextinfo.h>
void
-__profil_counter (int signo, const SIGCONTEXT scp)
+__profil_counter (int signo, siginfo_t *_si, void *scp)
{
- profil_count ((void *) GET_PC (scp));
+ profil_count (sigcontext_get_pc (scp));
/* This is a hack to prevent the compiler from implementing the
above function call as a sibcall. The sibcall would overwrite
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
-#include <sys/ucontext.h>
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
-#define SIGCONTEXT siginfo_t *_si, ucontext_t *
+static inline uintptr_t
+sigcontext_get_pc (const ucontext_t *ctx)
+{
+ return ctx->uc_mcontext.arm_pc;
+}
-/* The sigcontext structure changed between 2.0 and 2.1 kernels. On any
- modern system we should be able to assume that the "new" format will be
- in use. */
-
-#define GET_PC(ctx) ((void *) (ctx)->uc_mcontext.arm_pc)
-
-/* There is no reliable way to get the sigcontext unless we use a
- three-argument signal handler. */
-#define __sigaction(sig, act, oact) ({ \
- (act)->sa_flags |= SA_SIGINFO; \
- (__sigaction) (sig, act, oact); \
-})
-
-#define sigaction(sig, act, oact) ({ \
- (act)->sa_flags |= SA_SIGINFO; \
- (sigaction) (sig, act, oact); \
-})
+#endif
+++ /dev/null
-/* Low-level statistical profiling support function. Linux/C-SKY version.
- Copyright (C) 2018-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <signal.h>
-#include <sigcontextinfo.h>
-
-void
-__profil_counter (int signo, const SIGCONTEXT scp)
-{
- profil_count ((void *) GET_PC (scp));
-
- /* This is a hack to prevent the compiler from implementing the
- above function call as a sibcall. The sibcall would overwrite
- the signal context. */
- asm volatile ("");
-}
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
-#define SIGCONTEXT siginfo_t *_si, struct ucontext_t *
-#define GET_PC(ctx) ((void *) (ctx)->uc_mcontext.__gregs.__pc)
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
-/* There is no reliable way to get the sigcontext unless we use a
- three-argument signal handler. */
-#define __sigaction(sig, act, oact) ({ \
- (act)->sa_flags |= SA_SIGINFO; \
- (__sigaction) (sig, act, oact); \
-})
+static inline uintptr_t
+sigcontext_get_pc (const ucontext_t *ctx)
+{
+ return ctx->uc_mcontext.__gregs.__pc;
+}
-#define sigaction(sig, act, oact) ({ \
- (act)->sa_flags |= SA_SIGINFO; \
- (sigaction) (sig, act, oact); \
-})
+#endif
/* Machine-dependent SIGPROF signal handler. PA-RISC version
- Copyright (C) 1996-2019 Free Software Foundation, Inc.
+ Copyright (C) 2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
-static void
-__profil_counter (int signr, siginfo_t *si, ucontext_t *uctx)
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
+
+#include <sys/ucontext.h>
+
+static inline uintptr_t
+sigcontext_get_pc (const ucontext_t *ctx)
{
- unsigned long ip = uctx->uc_mcontext.sc_iaoq[0] & ~0x3;
- profil_count ((void *) ip);
+ return ctx->uc_mcontext.sc_iaoq[0] & ~0x3;
}
+
+#endif
+++ /dev/null
-/* Low-level statistical profiling support function. Linux/i386 version.
- Copyright (C) 1996-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <signal.h>
-#include <sigcontextinfo.h>
-
-static void
-__profil_counter (int signo, const SIGCONTEXT scp)
-{
- profil_count ((void *) GET_PC (scp));
-
- /* This is a hack to prevent the compiler from implementing the
- above function call as a sibcall. The sibcall would overwrite
- the signal context. */
- asm volatile ("");
-}
}
static void
-register_dump (int fd, struct sigcontext *ctx)
+register_dump (int fd, struct ucontext_t *ctx)
{
char regs[21][8];
char fpregs[31][8];
++nr
/* Generate strings of register contents. */
- hexvalue (ctx->eax, regs[0], 8);
- hexvalue (ctx->ebx, regs[1], 8);
- hexvalue (ctx->ecx, regs[2], 8);
- hexvalue (ctx->edx, regs[3], 8);
- hexvalue (ctx->esi, regs[4], 8);
- hexvalue (ctx->edi, regs[5], 8);
- hexvalue (ctx->ebp, regs[6], 8);
- hexvalue (ctx->esp, regs[7], 8);
- hexvalue (ctx->eip, regs[8], 8);
- hexvalue (ctx->eflags, regs[9], 8);
- hexvalue (ctx->cs, regs[10], 4);
- hexvalue (ctx->ds, regs[11], 4);
- hexvalue (ctx->es, regs[12], 4);
- hexvalue (ctx->fs, regs[13], 4);
- hexvalue (ctx->gs, regs[14], 4);
- hexvalue (ctx->ss, regs[15], 4);
- hexvalue (ctx->trapno, regs[16], 8);
- hexvalue (ctx->err, regs[17], 8);
- hexvalue (ctx->oldmask, regs[18], 8);
- hexvalue (ctx->esp_at_signal, regs[19], 8);
- hexvalue (ctx->cr2, regs[20], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_EAX], regs[0], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_EBX], regs[1], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_ECX], regs[2], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_EDX], regs[3], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_ESI], regs[4], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_EDI], regs[5], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_EBP], regs[6], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_ESP], regs[7], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_EIP], regs[8], 8);
+ hexvalue (ctx->uc_flags, regs[9], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_CS], regs[10], 4);
+ hexvalue (ctx->uc_mcontext.gregs[REG_DS], regs[11], 4);
+ hexvalue (ctx->uc_mcontext.gregs[REG_ES], regs[12], 4);
+ hexvalue (ctx->uc_mcontext.gregs[REG_FS], regs[13], 4);
+ hexvalue (ctx->uc_mcontext.gregs[REG_GS], regs[14], 4);
+ hexvalue (ctx->uc_mcontext.gregs[REG_SS], regs[15], 4);
+ hexvalue (ctx->uc_mcontext.gregs[REG_TRAPNO], regs[16], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_ERR], regs[17], 8);
+ hexvalue (ctx->uc_mcontext.oldmask, regs[18], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_UESP], regs[19], 8);
+ hexvalue (ctx->uc_mcontext.cr2, regs[20], 8);
/* Generate the output. */
ADD_STRING ("Register dump:\n\n EAX: ");
ADD_STRING (" CR2: ");
ADD_MEM (regs[20], 8);
- if (ctx->fpstate != NULL)
- {
-
- /* Generate output for the FPU control/status registers. */
- hexvalue (ctx->fpstate->cw, fpregs[0], 8);
- hexvalue (ctx->fpstate->sw, fpregs[1], 8);
- hexvalue (ctx->fpstate->tag, fpregs[2], 8);
- hexvalue (ctx->fpstate->ipoff, fpregs[3], 8);
- hexvalue (ctx->fpstate->cssel, fpregs[4], 4);
- hexvalue (ctx->fpstate->dataoff, fpregs[5], 8);
- hexvalue (ctx->fpstate->datasel, fpregs[6], 4);
-
- ADD_STRING ("\n\n FPUCW: ");
- ADD_MEM (fpregs[0], 8);
- ADD_STRING (" FPUSW: ");
- ADD_MEM (fpregs[1], 8);
- ADD_STRING (" TAG: ");
- ADD_MEM (fpregs[2], 8);
- ADD_STRING ("\n IPOFF: ");
- ADD_MEM (fpregs[3], 8);
- ADD_STRING (" CSSEL: ");
- ADD_MEM (fpregs[4], 4);
- ADD_STRING (" DATAOFF: ");
- ADD_MEM (fpregs[5], 8);
- ADD_STRING (" DATASEL: ");
- ADD_MEM (fpregs[6], 4);
-
- /* Now the real FPU registers. */
- hexvalue (ctx->fpstate->_st[0].exponent, fpregs[7], 8);
- hexvalue (ctx->fpstate->_st[0].significand[3] << 16
- | ctx->fpstate->_st[0].significand[2], fpregs[8], 8);
- hexvalue (ctx->fpstate->_st[0].significand[1] << 16
- | ctx->fpstate->_st[0].significand[0], fpregs[9], 8);
- hexvalue (ctx->fpstate->_st[1].exponent, fpregs[10], 8);
- hexvalue (ctx->fpstate->_st[1].significand[3] << 16
- | ctx->fpstate->_st[1].significand[2], fpregs[11], 8);
- hexvalue (ctx->fpstate->_st[1].significand[1] << 16
- | ctx->fpstate->_st[1].significand[0], fpregs[12], 8);
- hexvalue (ctx->fpstate->_st[2].exponent, fpregs[13], 8);
- hexvalue (ctx->fpstate->_st[2].significand[3] << 16
- | ctx->fpstate->_st[2].significand[2], fpregs[14], 8);
- hexvalue (ctx->fpstate->_st[2].significand[1] << 16
- | ctx->fpstate->_st[2].significand[0], fpregs[15], 8);
- hexvalue (ctx->fpstate->_st[3].exponent, fpregs[16], 8);
- hexvalue (ctx->fpstate->_st[3].significand[3] << 16
- | ctx->fpstate->_st[3].significand[2], fpregs[17], 8);
- hexvalue (ctx->fpstate->_st[3].significand[1] << 16
- | ctx->fpstate->_st[3].significand[0], fpregs[18], 8);
- hexvalue (ctx->fpstate->_st[4].exponent, fpregs[19], 8);
- hexvalue (ctx->fpstate->_st[4].significand[3] << 16
- | ctx->fpstate->_st[4].significand[2], fpregs[20], 8);
- hexvalue (ctx->fpstate->_st[4].significand[1] << 16
- | ctx->fpstate->_st[4].significand[0], fpregs[21], 8);
- hexvalue (ctx->fpstate->_st[5].exponent, fpregs[22], 8);
- hexvalue (ctx->fpstate->_st[5].significand[3] << 16
- | ctx->fpstate->_st[5].significand[2], fpregs[23], 8);
- hexvalue (ctx->fpstate->_st[5].significand[1] << 16
- | ctx->fpstate->_st[5].significand[0], fpregs[24], 8);
- hexvalue (ctx->fpstate->_st[6].exponent, fpregs[25], 8);
- hexvalue (ctx->fpstate->_st[6].significand[3] << 16
- | ctx->fpstate->_st[6].significand[2], fpregs[26], 8);
- hexvalue (ctx->fpstate->_st[6].significand[1] << 16
- | ctx->fpstate->_st[6].significand[0], fpregs[27], 8);
- hexvalue (ctx->fpstate->_st[7].exponent, fpregs[28], 8);
- hexvalue (ctx->fpstate->_st[7].significand[3] << 16
- | ctx->fpstate->_st[7].significand[2], fpregs[29], 8);
- hexvalue (ctx->fpstate->_st[7].significand[1] << 16
- | ctx->fpstate->_st[7].significand[0], fpregs[30], 8);
-
- ADD_STRING ("\n\n ST(0) ");
- ADD_MEM (fpregs[7], 4);
- ADD_STRING (" ");
- ADD_MEM (fpregs[8], 8);
- ADD_MEM (fpregs[9], 8);
- ADD_STRING (" ST(1) ");
- ADD_MEM (fpregs[10], 4);
- ADD_STRING (" ");
- ADD_MEM (fpregs[11], 8);
- ADD_MEM (fpregs[12], 8);
- ADD_STRING ("\n ST(2) ");
- ADD_MEM (fpregs[13], 4);
- ADD_STRING (" ");
- ADD_MEM (fpregs[14], 8);
- ADD_MEM (fpregs[15], 8);
- ADD_STRING (" ST(3) ");
- ADD_MEM (fpregs[16], 4);
- ADD_STRING (" ");
- ADD_MEM (fpregs[17], 8);
- ADD_MEM (fpregs[18], 8);
- ADD_STRING ("\n ST(4) ");
- ADD_MEM (fpregs[19], 4);
- ADD_STRING (" ");
- ADD_MEM (fpregs[20], 8);
- ADD_MEM (fpregs[21], 8);
- ADD_STRING (" ST(5) ");
- ADD_MEM (fpregs[22], 4);
- ADD_STRING (" ");
- ADD_MEM (fpregs[23], 8);
- ADD_MEM (fpregs[24], 8);
- ADD_STRING ("\n ST(6) ");
- ADD_MEM (fpregs[25], 4);
- ADD_STRING (" ");
- ADD_MEM (fpregs[26], 8);
- ADD_MEM (fpregs[27], 8);
- ADD_STRING (" ST(7) ");
- ADD_MEM (fpregs[28], 4);
- ADD_STRING (" ");
- ADD_MEM (fpregs[29], 8);
- ADD_MEM (fpregs[30], 8);
- }
+ /* Generate output for the FPU control/status registers. */
+ hexvalue (ctx->__fpregs_mem.cw, fpregs[0], 8);
+ hexvalue (ctx->__fpregs_mem.sw, fpregs[1], 8);
+ hexvalue (ctx->__fpregs_mem.tag, fpregs[2], 8);
+ hexvalue (ctx->__fpregs_mem.ipoff, fpregs[3], 8);
+ hexvalue (ctx->__fpregs_mem.cssel, fpregs[4], 4);
+ hexvalue (ctx->__fpregs_mem.dataoff, fpregs[5], 8);
+ hexvalue (ctx->__fpregs_mem.datasel, fpregs[6], 4);
+
+ ADD_STRING ("\n\n FPUCW: ");
+ ADD_MEM (fpregs[0], 8);
+ ADD_STRING (" FPUSW: ");
+ ADD_MEM (fpregs[1], 8);
+ ADD_STRING (" TAG: ");
+ ADD_MEM (fpregs[2], 8);
+ ADD_STRING ("\n IPOFF: ");
+ ADD_MEM (fpregs[3], 8);
+ ADD_STRING (" CSSEL: ");
+ ADD_MEM (fpregs[4], 4);
+ ADD_STRING (" DATAOFF: ");
+ ADD_MEM (fpregs[5], 8);
+ ADD_STRING (" DATASEL: ");
+ ADD_MEM (fpregs[6], 4);
+
+ /* Now the real FPU registers. */
+ hexvalue (ctx->__fpregs_mem._st[0].exponent, fpregs[7], 8);
+ hexvalue (ctx->__fpregs_mem._st[0].significand[3] << 16
+ | ctx->__fpregs_mem._st[0].significand[2], fpregs[8], 8);
+ hexvalue (ctx->__fpregs_mem._st[0].significand[1] << 16
+ | ctx->__fpregs_mem._st[0].significand[0], fpregs[9], 8);
+ hexvalue (ctx->__fpregs_mem._st[1].exponent, fpregs[10], 8);
+ hexvalue (ctx->__fpregs_mem._st[1].significand[3] << 16
+ | ctx->__fpregs_mem._st[1].significand[2], fpregs[11], 8);
+ hexvalue (ctx->__fpregs_mem._st[1].significand[1] << 16
+ | ctx->__fpregs_mem._st[1].significand[0], fpregs[12], 8);
+ hexvalue (ctx->__fpregs_mem._st[2].exponent, fpregs[13], 8);
+ hexvalue (ctx->__fpregs_mem._st[2].significand[3] << 16
+ | ctx->__fpregs_mem._st[2].significand[2], fpregs[14], 8);
+ hexvalue (ctx->__fpregs_mem._st[2].significand[1] << 16
+ | ctx->__fpregs_mem._st[2].significand[0], fpregs[15], 8);
+ hexvalue (ctx->__fpregs_mem._st[3].exponent, fpregs[16], 8);
+ hexvalue (ctx->__fpregs_mem._st[3].significand[3] << 16
+ | ctx->__fpregs_mem._st[3].significand[2], fpregs[17], 8);
+ hexvalue (ctx->__fpregs_mem._st[3].significand[1] << 16
+ | ctx->__fpregs_mem._st[3].significand[0], fpregs[18], 8);
+ hexvalue (ctx->__fpregs_mem._st[4].exponent, fpregs[19], 8);
+ hexvalue (ctx->__fpregs_mem._st[4].significand[3] << 16
+ | ctx->__fpregs_mem._st[4].significand[2], fpregs[20], 8);
+ hexvalue (ctx->__fpregs_mem._st[4].significand[1] << 16
+ | ctx->__fpregs_mem._st[4].significand[0], fpregs[21], 8);
+ hexvalue (ctx->__fpregs_mem._st[5].exponent, fpregs[22], 8);
+ hexvalue (ctx->__fpregs_mem._st[5].significand[3] << 16
+ | ctx->__fpregs_mem._st[5].significand[2], fpregs[23], 8);
+ hexvalue (ctx->__fpregs_mem._st[5].significand[1] << 16
+ | ctx->__fpregs_mem._st[5].significand[0], fpregs[24], 8);
+ hexvalue (ctx->__fpregs_mem._st[6].exponent, fpregs[25], 8);
+ hexvalue (ctx->__fpregs_mem._st[6].significand[3] << 16
+ | ctx->__fpregs_mem._st[6].significand[2], fpregs[26], 8);
+ hexvalue (ctx->__fpregs_mem._st[6].significand[1] << 16
+ | ctx->__fpregs_mem._st[6].significand[0], fpregs[27], 8);
+ hexvalue (ctx->__fpregs_mem._st[7].exponent, fpregs[28], 8);
+ hexvalue (ctx->__fpregs_mem._st[7].significand[3] << 16
+ | ctx->__fpregs_mem._st[7].significand[2], fpregs[29], 8);
+ hexvalue (ctx->__fpregs_mem._st[7].significand[1] << 16
+ | ctx->__fpregs_mem._st[7].significand[0], fpregs[30], 8);
+
+ ADD_STRING ("\n\n ST(0) ");
+ ADD_MEM (fpregs[7], 4);
+ ADD_STRING (" ");
+ ADD_MEM (fpregs[8], 8);
+ ADD_MEM (fpregs[9], 8);
+ ADD_STRING (" ST(1) ");
+ ADD_MEM (fpregs[10], 4);
+ ADD_STRING (" ");
+ ADD_MEM (fpregs[11], 8);
+ ADD_MEM (fpregs[12], 8);
+ ADD_STRING ("\n ST(2) ");
+ ADD_MEM (fpregs[13], 4);
+ ADD_STRING (" ");
+ ADD_MEM (fpregs[14], 8);
+ ADD_MEM (fpregs[15], 8);
+ ADD_STRING (" ST(3) ");
+ ADD_MEM (fpregs[16], 4);
+ ADD_STRING (" ");
+ ADD_MEM (fpregs[17], 8);
+ ADD_MEM (fpregs[18], 8);
+ ADD_STRING ("\n ST(4) ");
+ ADD_MEM (fpregs[19], 4);
+ ADD_STRING (" ");
+ ADD_MEM (fpregs[20], 8);
+ ADD_MEM (fpregs[21], 8);
+ ADD_STRING (" ST(5) ");
+ ADD_MEM (fpregs[22], 4);
+ ADD_STRING (" ");
+ ADD_MEM (fpregs[23], 8);
+ ADD_MEM (fpregs[24], 8);
+ ADD_STRING ("\n ST(6) ");
+ ADD_MEM (fpregs[25], 4);
+ ADD_STRING (" ");
+ ADD_MEM (fpregs[26], 8);
+ ADD_MEM (fpregs[27], 8);
+ ADD_STRING (" ST(7) ");
+ ADD_MEM (fpregs[28], 4);
+ ADD_STRING (" ");
+ ADD_MEM (fpregs[29], 8);
+ ADD_MEM (fpregs[30], 8);
ADD_STRING ("\n");
}
-#define REGISTER_DUMP register_dump (fd, &ctx)
+#define REGISTER_DUMP register_dump (fd, ctx)
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#define SIGCONTEXT struct sigcontext
-#define GET_PC(ctx) ((void *) ctx.eip)
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
+
+static inline uintptr_t
+sigcontext_get_pc (const ucontext_t *ctx)
+{
+ return ctx->uc_mcontext.gregs[REG_EIP];
+}
+
+#endif
+++ /dev/null
-/* Machine-dependent SIGPROF signal handler. IA-64 version.
- Copyright (C) 1996-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-/* In many Unix systems signal handlers are called like this
- and the interrupted PC is easily findable in the `struct sigcontext'. */
-
-static void
-__profil_counter (int signr, siginfo_t *si, struct sigcontext *scp)
-{
- unsigned long ip = scp->sc_ip & ~0X3ULL, slot = scp->sc_ip & 0x3ull;
-
- /* Note: Linux/ia64 encodes the slot number in bits 0 and 1. We
- want to multiply the slot number by four so we can use bins of
- width 4 to get accurate instruction-level profiling. */
- profil_count ((void *) (ip + 4*slot));
-}
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#define SIGCONTEXT siginfo_t *_si, struct sigcontext *
-#define GET_PC(ctx) ((ctx)->sc_ip)
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
+
+/* Unlike other architectures, ia64 passes 'struct sigcontext' pointer as
+ the third argument to a sa_sigaction handler with SA_SIGINFO enabled. */
+static inline uintptr_t
+sigcontext_get_pc (const struct sigcontext *ctx)
+{
+ return ctx->sc_ip;
+}
+
+#endif
*/
-/* Linux saves only the call-clobbered registers in the sigcontext. We
- need to use a trampoline that saves the rest so that the C code can
- access them. We use the sc_fpstate field, since the handler is not
- supposed to return anyway, thus it doesn't matter that it's clobbered. */
-
-/* static */ void catch_segfault (int, int, struct sigcontext *);
-
-/* Dummy function so that we can use asm with arguments. */
-static void __attribute_used__
-__dummy__ (void)
-{
- asm ("\n\
-catch_segfault:\n\
- move.l 12(%%sp),%%a0\n\
- lea %c0(%%a0),%%a0\n\
- /* Clear the first 4 bytes to make it a null fp state, just\n\
- in case the handler does return. */\n\
- clr.l (%%a0)+\n\
- movem.l %%d2-%%d7/%%a2-%%a6,(%%a0)\n"
-#ifndef __mcoldfire__
- "fmovem.x %%fp2-%%fp7,11*4(%%a0)\n"
-#elif defined __mcffpu__
- "fmovem.d %%fp2-%%fp7,11*4(%%a0)\n"
-#endif
- "jra real_catch_segfault"
- : : "n" (offsetof (struct sigcontext, sc_fpstate)));
-}
-#define catch_segfault(a,b) \
- __attribute_used__ real_catch_segfault(a,b)
+#define FPCONTEXT_SIZE 216
+#define uc_formatvec __glibc_reserved1[FPCONTEXT_SIZE/4]
+#define uc_oldmask uc_sigmask.__val[0]
static void
hexvalue (unsigned long int value, char *buf, size_t len)
}
static void
-register_dump (int fd, struct sigcontext *ctx)
+register_dump (int fd, struct ucontext_t *ctx)
{
char regs[20][8];
char fpregs[11][24];
struct iovec iov[63], *next_iov = iov;
- unsigned long *p = (unsigned long *) ctx->sc_fpstate + 1;
- unsigned long *pfp = (unsigned long *) ctx->sc_fpregs;
int i, j, fpreg_size;
#define ADD_STRING(str) \
#endif
/* Generate strings of register contents. */
- hexvalue (ctx->sc_d0, regs[0], 8);
- hexvalue (ctx->sc_d1, regs[1], 8);
- hexvalue (*p++, regs[2], 8);
- hexvalue (*p++, regs[3], 8);
- hexvalue (*p++, regs[4], 8);
- hexvalue (*p++, regs[5], 8);
- hexvalue (*p++, regs[6], 8);
- hexvalue (*p++, regs[7], 8);
- hexvalue (ctx->sc_a0, regs[8], 8);
- hexvalue (ctx->sc_a1, regs[9], 8);
- hexvalue (*p++, regs[10], 8);
- hexvalue (*p++, regs[11], 8);
- hexvalue (*p++, regs[12], 8);
- hexvalue (*p++, regs[13], 8);
- hexvalue (*p++, regs[14], 8);
- hexvalue (ctx->sc_usp, regs[15], 8);
- hexvalue (ctx->sc_pc, regs[16], 8);
- hexvalue (ctx->sc_sr, regs[17], 4);
- hexvalue (ctx->sc_mask, regs[18], 8);
- hexvalue (ctx->sc_formatvec & 0xfff, regs[19], 4);
- for (i = 0; i < 2; i++)
- for (j = 0; j < fpreg_size; j += 8)
- hexvalue (*pfp++, fpregs[i] + j, 8);
- for (i = 2; i < 8; i++)
+ hexvalue (ctx->uc_mcontext.gregs[R_D0], regs[0], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_D1], regs[1], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_D2], regs[2], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_D3], regs[3], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_D4], regs[4], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_D5], regs[5], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_D6], regs[6], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_D7], regs[7], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_A0], regs[8], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_A1], regs[9], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_A2], regs[10], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_A3], regs[11], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_A4], regs[12], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_A5], regs[13], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_A6], regs[14], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_SP], regs[15], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_PC], regs[16], 8);
+ hexvalue (ctx->uc_mcontext.gregs[R_PS], regs[17], 4);
+ hexvalue (ctx->uc_oldmask, regs[18], 8);
+ hexvalue (ctx->uc_formatvec & 0xfff, regs[19], 4);
+
+ for (i = 0; i < 8; i++)
for (j = 0; j < fpreg_size; j += 8)
- hexvalue (*p++, fpregs[i] + j, 8);
- hexvalue (ctx->sc_fpcntl[0], fpregs[8], 8);
- hexvalue (ctx->sc_fpcntl[1], fpregs[9], 8);
- hexvalue (ctx->sc_fpcntl[2], fpregs[10], 8);
+ hexvalue (ctx->uc_mcontext.fpregs.f_fpregs[i][j/8], fpregs[i] + j, 8);
+ hexvalue (ctx->uc_mcontext.fpregs.f_pcr, fpregs[8], 8);
+ hexvalue (ctx->uc_mcontext.fpregs.f_psr, fpregs[9], 8);
+ hexvalue (ctx->uc_mcontext.fpregs.f_fpiaddr, fpregs[10], 8);
/* Generate the output. */
ADD_STRING ("Register dump:\n\n D0: ");
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
-#define SIGCONTEXT int _code, struct sigcontext *
-#define GET_PC(ctx) ((void *) (ctx)->sc_pc)
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
+
+static inline uintptr_t
+sigcontext_get_pc (const ucontext_t *ctx)
+{
+ return ctx->uc_mcontext.gregs[R_PC];
+}
+
+#endif
+++ /dev/null
-/* We can use the ix86 version. */
-#include <sysdeps/unix/sysv/linux/i386/profil-counter.h>
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#define SIGCONTEXT int _code, ucontext_t *
-#define GET_PC(ctx) ((void *) (ctx)->uc_mcontext.regs.pc)
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
+
+static inline uintptr_t
+sigcontext_get_pc (const ucontext_t *ctx)
+{
+ return ctx->uc_mcontext.regs.pc;
+}
+
+#endif
+++ /dev/null
-/* We can use the ix86 version. */
-#include <sysdeps/unix/sysv/linux/i386/profil-counter.h>
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
-
-#include <sgidefs.h>
-
-#if _MIPS_SIM == _ABIO32
-
-#define SIGCONTEXT unsigned long _code, struct sigcontext *
-#define GET_PC(ctx) ((void *) (unsigned long) ctx->sc_pc)
-
-#else
-
-#define SIGCONTEXT unsigned long _code, ucontext_t *
-#define GET_PC(ctx) ((void *) (unsigned long) ctx->uc_mcontext.pc)
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
+
+static inline uintptr_t
+sigcontext_get_pc (const ucontext_t *ctx)
+{
+ return ctx->uc_mcontext.pc;
+}
#endif
+++ /dev/null
-/* We can use the ix86 version. */
-#include <sysdeps/unix/sysv/linux/i386/profil-counter.h>
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#include <sys/ucontext.h>
-#include "kernel-features.h"
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
-#define SIGCONTEXT siginfo_t *_si, ucontext_t *
-#define GET_PC(ctx) ((void *) (ctx)->uc_mcontext.regs[27])
+static inline uintptr_t
+sigcontext_get_pc (const ucontext_t *ctx)
+{
+ return ctx->uc_mcontext.regs[27];
+}
-/* There is no reliable way to get the sigcontext unless we use a
- three-argument signal handler. */
-#define __sigaction(sig, act, oact) ({ \
- (act)->sa_flags |= SA_SIGINFO; \
- (__sigaction) (sig, act, oact); \
-})
-
-#define sigaction(sig, act, oact) ({ \
- (act)->sa_flags |= SA_SIGINFO; \
- (sigaction) (sig, act, oact); \
-})
+#endif
+++ /dev/null
-/* We can use the ix86 version. */
-#include <sysdeps/unix/sysv/linux/i386/profil-counter.h>
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
+
#include <signal.h>
-#define SIGCONTEXT struct sigcontext *
-#define GET_PC(ctx) ((void *)((ctx)->regs->nip))
+static inline uintptr_t
+sigcontext_get_pc (const ucontext_t *ctx)
+{
+#ifdef __powerpc64__
+ return ctx->uc_mcontext.gp_regs[PT_NIP];
+#else
+ return ctx->uc_mcontext.uc_regs->gregs[PT_NIP];
+#endif
+}
+
+#endif
-/* Low-level statistical profiling support function. Linux/x86-64 version.
+/* Low-level statistical profiling support function. Linux version.
Copyright (C) 2001-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
#include <signal.h>
#include <sigcontextinfo.h>
+/* sa_sigaction signature to use along SA_SIGINFO. */
static void
-__profil_counter (int signo, SIGCONTEXT scp)
+__profil_counter (int signo, siginfo_t *info, void *ctx)
{
- profil_count ((void *) GET_PC (scp));
+ profil_count (sigcontext_get_pc (ctx));
/* This is a hack to prevent the compiler from implementing the
above function call as a sibcall. The sibcall would overwrite
+++ /dev/null
-/* Low-level statistical profiling support function. Linux/RISC-V version.
- Copyright (C) 1996-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <signal.h>
-#include <sigcontextinfo.h>
-
-static void
-__profil_counter (int signo, const SIGCONTEXT scp)
-{
- profil_count ((void *) GET_PC (scp));
-
- /* This is a hack to prevent the compiler from implementing the
- above function call as a sibcall. The sibcall would overwrite
- the signal context. */
- asm volatile ("");
-}
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
+
#include <sys/ucontext.h>
-#define SIGCONTEXT siginfo_t *_si, ucontext_t *
-#define GET_PC(ctx) ((void *) ctx->uc_mcontext.__gregs[REG_PC])
+static inline uintptr_t
+sigcontext_get_pc (const ucontext_t *ctx)
+{
+ return ctx->uc_mcontext.__gregs[REG_PC];
+}
+
+#endif
+++ /dev/null
-/* Low-level statistical profiling support function. Linux/s390 version.
- Copyright (C) 2000-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <signal.h>
-#include <sigcontextinfo.h>
-
-static void
-__profil_counter (int signo, SIGCONTEXT scp)
-{
- profil_count((void *) ((unsigned long) GET_PC (scp) & 0x7fffffffUL));
-}
}
static void
-register_dump (int fd, struct sigcontext *ctx)
+register_dump (int fd, struct ucontext_t *ctx)
{
char regs[19][8];
struct iovec iov[40];
++nr
/* Generate strings of register contents. */
- hexvalue (ctx->sregs->regs.gprs[0], regs[0], 8);
- hexvalue (ctx->sregs->regs.gprs[1], regs[1], 8);
- hexvalue (ctx->sregs->regs.gprs[2], regs[2], 8);
- hexvalue (ctx->sregs->regs.gprs[3], regs[3], 8);
- hexvalue (ctx->sregs->regs.gprs[4], regs[4], 8);
- hexvalue (ctx->sregs->regs.gprs[5], regs[5], 8);
- hexvalue (ctx->sregs->regs.gprs[6], regs[6], 8);
- hexvalue (ctx->sregs->regs.gprs[7], regs[7], 8);
- hexvalue (ctx->sregs->regs.gprs[8], regs[8], 8);
- hexvalue (ctx->sregs->regs.gprs[9], regs[9], 8);
- hexvalue (ctx->sregs->regs.gprs[10], regs[10], 8);
- hexvalue (ctx->sregs->regs.gprs[11], regs[11], 8);
- hexvalue (ctx->sregs->regs.gprs[12], regs[12], 8);
- hexvalue (ctx->sregs->regs.gprs[13], regs[13], 8);
- hexvalue (ctx->sregs->regs.gprs[14], regs[14], 8);
- hexvalue (ctx->sregs->regs.gprs[15], regs[15], 8);
- hexvalue (ctx->sregs->regs.psw.mask, regs[16], 8);
- hexvalue (ctx->sregs->regs.psw.addr, regs[17], 8);
+ hexvalue (ctx->uc_mcontext.gregs[0], regs[0], 8);
+ hexvalue (ctx->uc_mcontext.gregs[1], regs[1], 8);
+ hexvalue (ctx->uc_mcontext.gregs[2], regs[2], 8);
+ hexvalue (ctx->uc_mcontext.gregs[3], regs[3], 8);
+ hexvalue (ctx->uc_mcontext.gregs[4], regs[4], 8);
+ hexvalue (ctx->uc_mcontext.gregs[5], regs[5], 8);
+ hexvalue (ctx->uc_mcontext.gregs[6], regs[6], 8);
+ hexvalue (ctx->uc_mcontext.gregs[7], regs[7], 8);
+ hexvalue (ctx->uc_mcontext.gregs[8], regs[8], 8);
+ hexvalue (ctx->uc_mcontext.gregs[9], regs[9], 8);
+ hexvalue (ctx->uc_mcontext.gregs[10], regs[10], 8);
+ hexvalue (ctx->uc_mcontext.gregs[11], regs[11], 8);
+ hexvalue (ctx->uc_mcontext.gregs[12], regs[12], 8);
+ hexvalue (ctx->uc_mcontext.gregs[13], regs[13], 8);
+ hexvalue (ctx->uc_mcontext.gregs[14], regs[14], 8);
+ hexvalue (ctx->uc_mcontext.gregs[15], regs[15], 8);
+ hexvalue (ctx->uc_mcontext.psw.mask, regs[16], 8);
+ hexvalue (ctx->uc_mcontext.psw.addr, regs[17], 8);
/* Generate the output. */
ADD_STRING ("Register dump:\n\n GPR0: ");
+++ /dev/null
-/* Low-level statistical profiling support function. Linux/s390 version.
- Copyright (C) 2000-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <signal.h>
-#include <sigcontextinfo.h>
-
-static void
-__profil_counter (int signo, SIGCONTEXT scp)
-{
- profil_count ((void *) GET_PC (scp));
-}
}
static void
-register_dump (int fd, struct sigcontext *ctx)
+register_dump (int fd, struct ucontext_t *ctx)
{
char regs[19][16];
struct iovec iov[40];
++nr
/* Generate strings of register contents. */
- hexvalue (ctx->sregs->regs.gprs[0], regs[0], 16);
- hexvalue (ctx->sregs->regs.gprs[1], regs[1], 16);
- hexvalue (ctx->sregs->regs.gprs[2], regs[2], 16);
- hexvalue (ctx->sregs->regs.gprs[3], regs[3], 16);
- hexvalue (ctx->sregs->regs.gprs[4], regs[4], 16);
- hexvalue (ctx->sregs->regs.gprs[5], regs[5], 16);
- hexvalue (ctx->sregs->regs.gprs[6], regs[6], 16);
- hexvalue (ctx->sregs->regs.gprs[7], regs[7], 16);
- hexvalue (ctx->sregs->regs.gprs[8], regs[8], 16);
- hexvalue (ctx->sregs->regs.gprs[9], regs[9], 16);
- hexvalue (ctx->sregs->regs.gprs[10], regs[10], 16);
- hexvalue (ctx->sregs->regs.gprs[11], regs[11], 16);
- hexvalue (ctx->sregs->regs.gprs[12], regs[12], 16);
- hexvalue (ctx->sregs->regs.gprs[13], regs[13], 16);
- hexvalue (ctx->sregs->regs.gprs[14], regs[14], 16);
- hexvalue (ctx->sregs->regs.gprs[15], regs[15], 16);
- hexvalue (ctx->sregs->regs.psw.mask, regs[16], 16);
- hexvalue (ctx->sregs->regs.psw.addr, regs[17], 16);
+ hexvalue (ctx->uc_mcontext.gregs[0], regs[0], 16);
+ hexvalue (ctx->uc_mcontext.gregs[1], regs[1], 16);
+ hexvalue (ctx->uc_mcontext.gregs[2], regs[2], 16);
+ hexvalue (ctx->uc_mcontext.gregs[3], regs[3], 16);
+ hexvalue (ctx->uc_mcontext.gregs[4], regs[4], 16);
+ hexvalue (ctx->uc_mcontext.gregs[5], regs[5], 16);
+ hexvalue (ctx->uc_mcontext.gregs[6], regs[6], 16);
+ hexvalue (ctx->uc_mcontext.gregs[7], regs[7], 16);
+ hexvalue (ctx->uc_mcontext.gregs[8], regs[8], 16);
+ hexvalue (ctx->uc_mcontext.gregs[9], regs[9], 16);
+ hexvalue (ctx->uc_mcontext.gregs[10], regs[10], 16);
+ hexvalue (ctx->uc_mcontext.gregs[11], regs[11], 16);
+ hexvalue (ctx->uc_mcontext.gregs[12], regs[12], 16);
+ hexvalue (ctx->uc_mcontext.gregs[13], regs[13], 16);
+ hexvalue (ctx->uc_mcontext.gregs[14], regs[14], 16);
+ hexvalue (ctx->uc_mcontext.gregs[15], regs[15], 16);
+ hexvalue (ctx->uc_mcontext.psw.mask, regs[16], 16);
+ hexvalue (ctx->uc_mcontext.psw.addr, regs[17], 16);
/* Generate the output. */
ADD_STRING ("Register dump:\n\n GPR0: ");
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
+
#include <signal.h>
-#define SIGCONTEXT struct sigcontext *
-#define GET_PC(ctx) ((void *)((ctx)->sregs->regs.psw.addr))
+static inline uintptr_t
+sigcontext_get_pc (const ucontext_t *ctx)
+{
+#ifdef __s390x__
+ return ctx->uc_mcontext.psw.addr;
+#else
+ return ctx->uc_mcontext.psw.addr & 0x7FFFFFFF;
+#endif
+}
+
+#endif
+++ /dev/null
-/* Low-level statistical profiling support function. Linux/SH version.
- Copyright (C) 1996-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <signal.h>
-
-static void
-__profil_counter (int signo, int _a2, int _a3, int _a4, struct sigcontext sc)
-{
- void *pc;
- pc = (void *) sc.sc_pc;
- profil_count (pc);
-
- /* This is a hack to prevent the compiler from implementing the
- above function call as a sibcall. The sibcall would overwrite
- the signal context. */
- asm volatile ("");
-}
}
static void
-register_dump (int fd, struct sigcontext *ctx)
+register_dump (int fd, struct ucontext_t *ctx)
{
char regs[22][8];
struct iovec iov[22 * 2 + 34 * 2 + 2];
++nr
/* Generate strings of register contents. */
- hexvalue (ctx->sc_regs[0], regs[0], 8);
- hexvalue (ctx->sc_regs[1], regs[1], 8);
- hexvalue (ctx->sc_regs[2], regs[2], 8);
- hexvalue (ctx->sc_regs[3], regs[3], 8);
- hexvalue (ctx->sc_regs[4], regs[4], 8);
- hexvalue (ctx->sc_regs[5], regs[5], 8);
- hexvalue (ctx->sc_regs[6], regs[6], 8);
- hexvalue (ctx->sc_regs[7], regs[7], 8);
- hexvalue (ctx->sc_regs[8], regs[8], 8);
- hexvalue (ctx->sc_regs[9], regs[9], 8);
- hexvalue (ctx->sc_regs[10], regs[10], 8);
- hexvalue (ctx->sc_regs[11], regs[11], 8);
- hexvalue (ctx->sc_regs[12], regs[12], 8);
- hexvalue (ctx->sc_regs[13], regs[13], 8);
- hexvalue (ctx->sc_regs[14], regs[14], 8);
- hexvalue (ctx->sc_regs[15], regs[15], 8);
- hexvalue (ctx->sc_macl, regs[16], 8);
- hexvalue (ctx->sc_mach, regs[17], 8);
- hexvalue (ctx->sc_pc, regs[18], 8);
- hexvalue (ctx->sc_pr, regs[19], 8);
- hexvalue (ctx->sc_gbr, regs[20], 8);
- hexvalue (ctx->sc_sr, regs[21], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R0], regs[0], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R1], regs[1], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R2], regs[2], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R3], regs[3], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R4], regs[4], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R5], regs[5], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R6], regs[6], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R7], regs[7], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R8], regs[8], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R9], regs[9], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R10], regs[10], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R11], regs[11], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R12], regs[12], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R13], regs[13], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R14], regs[14], 8);
+ hexvalue (ctx->uc_mcontext.gregs[REG_R15], regs[15], 8);
+ hexvalue (ctx->uc_mcontext.macl, regs[16], 8);
+ hexvalue (ctx->uc_mcontext.mach, regs[17], 8);
+ hexvalue (ctx->uc_mcontext.pc, regs[18], 8);
+ hexvalue (ctx->uc_mcontext.pr, regs[19], 8);
+ hexvalue (ctx->uc_mcontext.gbr, regs[20], 8);
+ hexvalue (ctx->uc_mcontext.sr, regs[21], 8);
/* Generate the output. */
ADD_STRING ("Register dump:\n\n R0: ");
#ifdef __SH_FPU_ANY__
char fpregs[34][8];
- if (ctx->sc_ownedfp != 0)
+ if (ctx->uc_mcontext.ownedfp != 0)
{
- hexvalue (ctx->sc_fpregs[0], fpregs[0], 8);
- hexvalue (ctx->sc_fpregs[1], fpregs[1], 8);
- hexvalue (ctx->sc_fpregs[2], fpregs[2], 8);
- hexvalue (ctx->sc_fpregs[3], fpregs[3], 8);
- hexvalue (ctx->sc_fpregs[4], fpregs[4], 8);
- hexvalue (ctx->sc_fpregs[5], fpregs[5], 8);
- hexvalue (ctx->sc_fpregs[6], fpregs[6], 8);
- hexvalue (ctx->sc_fpregs[7], fpregs[7], 8);
- hexvalue (ctx->sc_fpregs[8], fpregs[8], 8);
- hexvalue (ctx->sc_fpregs[9], fpregs[9], 8);
- hexvalue (ctx->sc_fpregs[10], fpregs[10], 8);
- hexvalue (ctx->sc_fpregs[11], fpregs[11], 8);
- hexvalue (ctx->sc_fpregs[12], fpregs[12], 8);
- hexvalue (ctx->sc_fpregs[13], fpregs[13], 8);
- hexvalue (ctx->sc_fpregs[14], fpregs[14], 8);
- hexvalue (ctx->sc_fpregs[15], fpregs[15], 8);
- hexvalue (ctx->sc_xfpregs[0], fpregs[16], 8);
- hexvalue (ctx->sc_xfpregs[1], fpregs[17], 8);
- hexvalue (ctx->sc_xfpregs[2], fpregs[18], 8);
- hexvalue (ctx->sc_xfpregs[3], fpregs[19], 8);
- hexvalue (ctx->sc_xfpregs[4], fpregs[20], 8);
- hexvalue (ctx->sc_xfpregs[5], fpregs[21], 8);
- hexvalue (ctx->sc_xfpregs[6], fpregs[22], 8);
- hexvalue (ctx->sc_xfpregs[7], fpregs[23], 8);
- hexvalue (ctx->sc_xfpregs[8], fpregs[24], 8);
- hexvalue (ctx->sc_xfpregs[9], fpregs[25], 8);
- hexvalue (ctx->sc_xfpregs[10], fpregs[26], 8);
- hexvalue (ctx->sc_xfpregs[11], fpregs[27], 8);
- hexvalue (ctx->sc_xfpregs[12], fpregs[28], 8);
- hexvalue (ctx->sc_xfpregs[13], fpregs[29], 8);
- hexvalue (ctx->sc_xfpregs[14], fpregs[30], 8);
- hexvalue (ctx->sc_xfpregs[15], fpregs[31], 8);
- hexvalue (ctx->sc_fpscr, fpregs[32], 8);
- hexvalue (ctx->sc_fpul, fpregs[33], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[0], fpregs[0], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[1], fpregs[1], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[2], fpregs[2], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[3], fpregs[3], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[4], fpregs[4], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[5], fpregs[5], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[6], fpregs[6], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[7], fpregs[7], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[8], fpregs[8], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[9], fpregs[9], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[10], fpregs[10], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[11], fpregs[11], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[12], fpregs[12], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[13], fpregs[13], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[14], fpregs[14], 8);
+ hexvalue (ctx->uc_mcontext.fpregs[15], fpregs[15], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[0], fpregs[16], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[1], fpregs[17], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[2], fpregs[18], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[3], fpregs[19], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[4], fpregs[20], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[5], fpregs[21], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[6], fpregs[22], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[7], fpregs[23], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[8], fpregs[24], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[9], fpregs[25], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[10], fpregs[26], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[11], fpregs[27], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[12], fpregs[28], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[13], fpregs[29], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[14], fpregs[30], 8);
+ hexvalue (ctx->uc_mcontext.xfpregs[15], fpregs[31], 8);
+ hexvalue (ctx->uc_mcontext.fpscr, fpregs[32], 8);
+ hexvalue (ctx->uc_mcontext.fpul, fpregs[33], 8);
ADD_STRING ("\n\n FR0: ");
ADD_MEM (fpregs[0], 8);
}
-#define REGISTER_DUMP register_dump (fd, &ctx)
+#define REGISTER_DUMP register_dump (fd, ctx)
+++ /dev/null
-/* Dump registers.
- Copyright (C) 1999-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <sys/uio.h>
-#include <_itoa.h>
-
-/* We will print the register dump in this format:
-
- R0: XXXXXXXX R1: XXXXXXXX R2: XXXXXXXX R3: XXXXXXXX
- R4: XXXXXXXX R5: XXXXXXXX R6: XXXXXXXX R7: XXXXXXXX
- R8: XXXXXXXX R9: XXXXXXXX R10: XXXXXXXX R11: XXXXXXXX
- R12: XXXXXXXX R13: XXXXXXXX R14: XXXXXXXX R15: XXXXXXXX
-
-MACL: XXXXXXXX MACH: XXXXXXXX
-
- PC: XXXXXXXX PR: XXXXXXXX GBR: XXXXXXXX SR: XXXXXXXX
-
- FR0: XXXXXXXX FR1: XXXXXXXX FR2: XXXXXXXX FR3: XXXXXXXX
- FR4: XXXXXXXX FR5: XXXXXXXX FR6: XXXXXXXX FR7: XXXXXXXX
- FR8: XXXXXXXX FR9: XXXXXXXX FR10: XXXXXXXX FR11: XXXXXXXX
-FR12: XXXXXXXX FR13: XXXXXXXX FR14: XXXXXXXX FR15: XXXXXXXX
-
- XR0: XXXXXXXX XR1: XXXXXXXX XR2: XXXXXXXX XR3: XXXXXXXX
- XR4: XXXXXXXX XR5: XXXXXXXX XR6: XXXXXXXX XR7: XXXXXXXX
- XR8: XXXXXXXX XR9: XXXXXXXX XR10: XXXXXXXX XR11: XXXXXXXX
-XR12: XXXXXXXX XR13: XXXXXXXX XR14: XXXXXXXX XR15: XXXXXXXX
-
-FPSCR: XXXXXXXX FPUL: XXXXXXXX
-
- */
-
-static void
-hexvalue (unsigned long int value, char *buf, size_t len)
-{
- char *cp = _itoa_word (value, buf + len, 16, 0);
- while (cp > buf)
- *--cp = '0';
-}
-
-static void
-register_dump (int fd, struct sigcontext *ctx)
-{
- char regs[22][8];
- struct iovec iov[112];
- size_t nr = 0;
-
-#define ADD_STRING(str) \
- iov[nr].iov_base = (char *) str; \
- iov[nr].iov_len = strlen (str); \
- ++nr
-#define ADD_MEM(str, len) \
- iov[nr].iov_base = str; \
- iov[nr].iov_len = len; \
- ++nr
-
- /* Generate strings of register contents. */
- hexvalue (ctx->sc_regs[0], regs[0], 8);
- hexvalue (ctx->sc_regs[1], regs[1], 8);
- hexvalue (ctx->sc_regs[2], regs[2], 8);
- hexvalue (ctx->sc_regs[3], regs[3], 8);
- hexvalue (ctx->sc_regs[4], regs[4], 8);
- hexvalue (ctx->sc_regs[5], regs[5], 8);
- hexvalue (ctx->sc_regs[6], regs[6], 8);
- hexvalue (ctx->sc_regs[7], regs[7], 8);
- hexvalue (ctx->sc_regs[8], regs[8], 8);
- hexvalue (ctx->sc_regs[9], regs[9], 8);
- hexvalue (ctx->sc_regs[10], regs[10], 8);
- hexvalue (ctx->sc_regs[11], regs[11], 8);
- hexvalue (ctx->sc_regs[12], regs[12], 8);
- hexvalue (ctx->sc_regs[13], regs[13], 8);
- hexvalue (ctx->sc_regs[14], regs[14], 8);
- hexvalue (ctx->sc_regs[15], regs[15], 8);
- hexvalue (ctx->sc_macl, regs[16], 8);
- hexvalue (ctx->sc_mach, regs[17], 8);
- hexvalue (ctx->sc_pc, regs[18], 8);
- hexvalue (ctx->sc_pr, regs[19], 8);
- hexvalue (ctx->sc_gbr, regs[20], 8);
- hexvalue (ctx->sc_sr, regs[21], 8);
-
- /* Generate the output. */
- ADD_STRING ("Register dump:\n\n R0: ");
- ADD_MEM (regs[0], 8);
- ADD_STRING (" R1: ");
- ADD_MEM (regs[1], 8);
- ADD_STRING (" R2: ");
- ADD_MEM (regs[2], 8);
- ADD_STRING (" R3: ");
- ADD_MEM (regs[3], 8);
- ADD_STRING ("\n R4: ");
- ADD_MEM (regs[4], 8);
- ADD_STRING (" R5: ");
- ADD_MEM (regs[5], 8);
- ADD_STRING (" R6: ");
- ADD_MEM (regs[6], 8);
- ADD_STRING (" R7: ");
- ADD_MEM (regs[7], 8);
- ADD_STRING ("\n R8: ");
- ADD_MEM (regs[8], 8);
- ADD_STRING (" R9: ");
- ADD_MEM (regs[9], 8);
- ADD_STRING (" R10: ");
- ADD_MEM (regs[10], 8);
- ADD_STRING (" R11: ");
- ADD_MEM (regs[11], 8);
- ADD_STRING ("\n R12: ");
- ADD_MEM (regs[12], 8);
- ADD_STRING (" R13: ");
- ADD_MEM (regs[13], 8);
- ADD_STRING (" R14: ");
- ADD_MEM (regs[14], 8);
- ADD_STRING (" R15: ");
- ADD_MEM (regs[15], 8);
-
- ADD_STRING ("\n\nMACL: ");
- ADD_MEM (regs[16], 8);
- ADD_STRING (" MACH: ");
- ADD_MEM (regs[17], 8);
-
- ADD_STRING ("\n\n PC: ");
- ADD_MEM (regs[18], 8);
- ADD_STRING (" PR: ");
- ADD_MEM (regs[19], 8);
- ADD_STRING (" GBR: ");
- ADD_MEM (regs[20], 8);
- ADD_STRING (" SR: ");
- ADD_MEM (regs[21], 8);
-
- ADD_STRING ("\n");
-
- /* Write the stuff out. */
- writev (fd, iov, nr);
-}
-
-
-#define REGISTER_DUMP register_dump (fd, &ctx)
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#define SIGCONTEXT int _a2, int _a3, int _a4, struct sigcontext
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
-#define GET_PC(ctx) ((void *) ctx.sc_pc)
+static inline uintptr_t
+sigcontext_get_pc (const ucontext_t *ctx)
+{
+ return ctx->uc_mcontext.pc;
+}
+
+#endif
#include <signal.h>
+#include <sysdeps/unix/sysv/linux/profil-counter.h>
+
+#ifndef __profil_counter
void
-__profil_counter (int signo, struct sigcontext *si)
+__profil_counter_global (int signo, struct sigcontext *si)
{
- profil_count ((void *) si->sigc_regs.tpc);
+#ifdef __arch64__
+ profil_count (si->sigc_regs.tpc);
+#else
+ profil_count (si->si_regs.pc);
+#endif
}
-#ifndef __profil_counter
-weak_alias (__profil_counter, profil_counter)
+weak_alias (__profil_counter_global, profil_counter)
#endif
+++ /dev/null
-/* Low-level statistical profiling support function. Linux/SPARC version.
- Copyright (C) 1997-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <signal.h>
-
-void
-__profil_counter (int signo, struct sigcontext *si)
-{
- profil_count ((void *) si->si_regs.pc);
-}
-#ifndef __profil_counter
-weak_alias (__profil_counter, profil_counter)
-#endif
unsigned int si_fprs;
};
+/* Unlike other architectures, sparc32 passes pt_regs32 REGS pointer as
+ the third argument to a sa_sigaction handler with SA_SIGINFO enabled. */
static void
-register_dump (int fd, SIGCONTEXT ctx)
+register_dump (int fd, void *ctx)
{
char regs[36][8];
char fregs[68][8];
struct iovec iov[150];
size_t nr = 0;
int i;
- unsigned int *r = (unsigned int *)
- ctx->si_regs.u_regs[14];
+ struct pt_regs32 *ptregs = (struct pt_regs32 *) ctx;
+ struct compat_sigset_t
+ {
+ unsigned int sig[2];
+ };
+ struct compat_sigset_t *mask = (struct compat_sigset_t *)(ptregs + 1);
+ unsigned int *r = (unsigned int *) ptregs->u_regs[14];
#define ADD_STRING(str) \
iov[nr].iov_base = (char *) str; \
++nr
/* Generate strings of register contents. */
- hexvalue (ctx->si_regs.psr, regs[0], 8);
- hexvalue (ctx->si_regs.pc, regs[1], 8);
- hexvalue (ctx->si_regs.npc, regs[2], 8);
- hexvalue (ctx->si_regs.y, regs[3], 8);
+ hexvalue (ptregs->psr, regs[0], 8);
+ hexvalue (ptregs->pc, regs[1], 8);
+ hexvalue (ptregs->npc, regs[2], 8);
+ hexvalue (ptregs->y, regs[3], 8);
for (i = 1; i <= 15; i++)
- hexvalue (ctx->si_regs.u_regs[i], regs[3+i], 8);
+ hexvalue (ptregs->u_regs[i], regs[3+i], 8);
for (i = 0; i <= 15; i++)
hexvalue (r[i], regs[19+i], 8);
- hexvalue (ctx->si_mask, regs[35], 8);
+
+ hexvalue (mask->sig[0], regs[35], 8);
/* Generate the output. */
ADD_STRING ("Register dump:\n\n PSR: ");
ADD_STRING ("\n\n Old mask: ");
ADD_MEM (regs[35], 8);
- if ((ctx->si_regs.psr & 0xff000000) == 0xff000000)
+ if ((ptregs->psr & 0xff000000) == 0xff000000)
{
- struct __siginfo_sparc64_fpu *f;
+ struct __siginfo_sparc64_fpu *f = *(struct __siginfo_sparc64_fpu **)
+ (mask + 1);
- f = *(struct __siginfo_sparc64_fpu **) (ctx + 1);
if (f != NULL)
{
for (i = 0; i < 64; i++)
}
else
{
- struct __siginfo_sparc32_fpu *f;
+ struct __siginfo_sparc32_fpu *f = *(struct __siginfo_sparc32_fpu **)
+ (mask + 1);
- f = *(struct __siginfo_sparc32_fpu **) (ctx + 1);
if (f != NULL)
{
for (i = 0; i < 32; i++)
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#define SIGCONTEXT struct sigcontext *
-#define GET_PC(__ctx) ((void *) ((__ctx)->si_regs.pc))
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
+
+/* The sparc32 kernel signal frame for SA_SIGINFO is defined as:
+
+ struct rt_signal_frame32
+ {
+ struct sparc_stackf32 ss;
+ compat_siginfo_t info;
+ struct pt_regs32 regs; <- void *ctx
+ compat_sigset_t mask;
+ u32 fpu_save;
+ unsigned int insns[2];
+ compat_stack_t stack;
+ unsigned int extra_size;
+ siginfo_extra_v8plus_t v8plus;
+ u32 rwin_save;
+ } __attribute__((aligned(8)));
+
+ Unlike other architectures, sparc32 passes pt_regs32 REGS pointer as
+ the third argument to a sa_sigaction handler with SA_SIGINFO enabled. */
+
+struct pt_regs32
+{
+ unsigned int psr;
+ unsigned int pc;
+ unsigned int npc;
+ unsigned int y;
+ unsigned int u_regs[16];
+};
+
+static inline uintptr_t
+sigcontext_get_pc (const struct pt_regs32 *ctx)
+{
+ return ctx->pc;
+}
+
+#endif
*--cp = '0';
}
+/* The sparc64 kernel signal frame for SA_SIGINFO is defined as:
+
+ struct rt_signal_frame
+ {
+ struct sparc_stackf ss;
+ siginfo_t info;
+ struct pt_regs regs; <- void *ctx
+ __siginfo_fpu_t *fpu_save;
+ stack_t stack;
+ sigset_t mask;
+ __siginfo_rwin_t *rwin_save;
+ };
+
+ Unlike other architectures, sparc32 passes pt_regs32 REGS pointers as
+ the third argument to a sa_sigaction handler with SA_SIGINFO enabled. */
+
static void
-register_dump (int fd, SIGCONTEXT ctx)
+register_dump (int fd, void *ctx)
{
char regs[36][16];
char fregs[68][8];
struct iovec iov[150];
size_t nr = 0;
int i;
- unsigned long *r = (unsigned long *)
- (ctx->sigc_regs.u_regs[14] + STACK_BIAS);
- __siginfo_fpu_t *f;
+ struct pt_regs *ptregs = (struct pt_regs*) ((siginfo_t *)ctx + 1);
+ unsigned long *r = (unsigned long *) (ptregs->u_regs[14] + STACK_BIAS);
+ __siginfo_fpu_t *f = (__siginfo_fpu_t *)(ptregs + 1);
+ struct kernel_sigset_t {
+ unsigned long sig[1];
+ } *mask = (struct kernel_sigset_t *)((stack_t *)(f + 1) + 1);
#define ADD_STRING(str) \
iov[nr].iov_base = (char *) str; \
++nr
/* Generate strings of register contents. */
- hexvalue (ctx->sigc_regs.tstate, regs[0], 16);
- hexvalue (ctx->sigc_regs.tpc, regs[1], 16);
- hexvalue (ctx->sigc_regs.tnpc, regs[2], 16);
- hexvalue (ctx->sigc_regs.y, regs[3], 8);
+ hexvalue (ptregs->tstate, regs[0], 16);
+ hexvalue (ptregs->tpc, regs[1], 16);
+ hexvalue (ptregs->tnpc, regs[2], 16);
+ hexvalue (ptregs->y, regs[3], 8);
for (i = 1; i <= 15; i++)
- hexvalue (ctx->sigc_regs.u_regs[i], regs[3+i], 16);
+ hexvalue (ptregs->u_regs[i], regs[3+i], 16);
for (i = 0; i <= 15; i++)
- hexvalue (r[i], regs[19+i], 16);
- hexvalue (ctx->sigc_mask, regs[35], 16);
+ hexvalue (r[i], regs[19+i], 16);
+ hexvalue (mask->sig[0], regs[35], 16);
/* Generate the output. */
ADD_STRING ("Register dump:\n\n TSTATE: ");
ADD_STRING ("\n\n Mask: ");
ADD_MEM (regs[35], 16);
- f = ctx->sigc_fpu_save;
if (f != NULL)
{
for (i = 0; i < 64; i++)
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
+
+#include <bits/types/siginfo_t.h>
+
+/* The sparc64 kernel signal frame for SA_SIGINFO is defined as:
+
+ struct rt_signal_frame
+ {
+ struct sparc_stackf ss;
+ siginfo_t info;
+ struct pt_regs regs;
+ __siginfo_fpu_t *fpu_save;
+ stack_t stack;
+ sigset_t mask;
+ __siginfo_rwin_t *rwin_save;
+ };
+
+ Unlike other architectures, sparc64 passe the siginfo_t INFO pointer
+ as the third argument to a sa_sigaction handler with SA_SIGINFO enabled. */
+
#ifndef STACK_BIAS
#define STACK_BIAS 2047
#endif
-#define SIGCONTEXT struct sigcontext *
-#define GET_PC(__ctx) ((void *) ((__ctx)->sigc_regs.tpc))
+
+struct pt_regs
+{
+ unsigned long int u_regs[16];
+ unsigned long int tstate;
+ unsigned long int tpc;
+ unsigned long int tnpc;
+ unsigned int y;
+ unsigned int magic;
+};
+
+static inline uintptr_t
+sigcontext_get_pc (const siginfo_t *ctx)
+{
+ struct pt_regs *regs = (struct pt_regs*) ((siginfo_t *)(ctx) + 1);
+ return regs->tpc;
+}
+
+#endif
--- /dev/null
+/* Test that the GET_PC macro is consistent with the unwinder.
+ Copyright (C) 2019 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+/* This test searches for the value of the GET_PC macro in the
+ addresses obtained from the backtrace function. */
+
+#include <array_length.h>
+#include <execinfo.h>
+#include <inttypes.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <support/check.h>
+#include <support/xsignal.h>
+#include <sigcontextinfo.h>
+
+static bool handler_called;
+
+static void
+handler (int signal, siginfo_t *info, void *ctx)
+{
+ TEST_COMPARE (signal, SIGUSR1);
+
+ uintptr_t pc = sigcontext_get_pc (ctx);
+ printf ("info: address in signal handler: 0x%" PRIxPTR "\n", pc);
+
+ void *callstack[10];
+ int callstack_count = backtrace (callstack, array_length (callstack));
+ TEST_VERIFY_EXIT (callstack_count > 0);
+ TEST_VERIFY_EXIT (callstack_count <= array_length (callstack));
+ bool found = false;
+ for (int i = 0; i < callstack_count; ++i)
+ {
+ const char *marker;
+ if ((uintptr_t) callstack[i] == pc)
+ {
+ found = true;
+ marker = " *";
+ }
+ else
+ marker = "";
+ printf ("info: call stack entry %d: 0x%" PRIxPTR "%s\n",
+ i, (uintptr_t) callstack[i], marker);
+ }
+ TEST_VERIFY (found);
+ handler_called = true;
+}
+
+static int
+do_test (void)
+{
+ struct sigaction sa =
+ {
+ .sa_sigaction = &handler,
+ .sa_flags = SA_SIGINFO
+ };
+ xsigaction (SIGUSR1, &sa, NULL);
+ raise (SIGUSR1);
+ TEST_VERIFY (handler_called);
+ return 0;
+}
+
+#include <support/test-driver.c>
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#include <stdint.h>
+#ifndef _SIGCONTEXTINFO_H
+#define _SIGCONTEXTINFO_H
-#define SIGCONTEXT siginfo_t *_si, ucontext_t *
-#define GET_PC(ctx) \
- ((void *) (uintptr_t) (ctx)->uc_mcontext.gregs[REG_RIP])
+static inline uintptr_t
+sigcontext_get_pc (const ucontext_t *ctx)
+{
+ return ctx->uc_mcontext.gregs[REG_RIP];
+}
+
+#endif
projects / platform / upstream / glibc.git / commitdiff