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-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/profil-counter.h28
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h42
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h42
3 files changed, 70 insertions, 42 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/profil-counter.h b/sysdeps/unix/sysv/linux/sparc/sparc64/profil-counter.h
deleted file mode 100644
index 47f8bf94a1..0000000000
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/profil-counter.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/* Low-level statistical profiling support function. Linux/Sparc64 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->sigc_regs.tpc);
-}
-#ifndef __profil_counter
-weak_alias (__profil_counter, profil_counter)
-#endif
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h b/sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h
index 0f1078ad9e..23ff36453a 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h
@@ -60,17 +60,36 @@ hexvalue (unsigned long int value, char *buf, size_t len)
*--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; \
@@ -82,15 +101,15 @@ register_dump (int fd, SIGCONTEXT ctx)
++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: ");
@@ -166,7 +185,6 @@ register_dump (int fd, SIGCONTEXT ctx)
ADD_STRING ("\n\n Mask: ");
ADD_MEM (regs[35], 16);
- f = ctx->sigc_fpu_save;
if (f != NULL)
{
for (i = 0; i < 64; i++)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h b/sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h
index a2f2b1f7de..242b490fcc 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h
@@ -16,8 +16,46 @@
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