summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--include/setjmp.h10
-rw-r--r--libc/sysdeps/linux/common/longjmp.c9
-rw-r--r--libc/sysdeps/linux/h8300/__longjmp.S2
-rw-r--r--libc/sysdeps/linux/i960/setjmp.S2
-rw-r--r--libc/sysdeps/linux/sh/longjmp.c49
-rw-r--r--libpthread/linuxthreads.old/ptlongjmp.c9
-rw-r--r--libpthread/linuxthreads/sysdeps/pthread/ptlongjmp.c7
-rw-r--r--libpthread/nptl/sysdeps/alpha/jmpbuf-unwind.h3
-rw-r--r--libpthread/nptl/sysdeps/arm/jmpbuf-unwind.h3
-rw-r--r--libpthread/nptl/sysdeps/i386/jmpbuf-unwind.h4
-rw-r--r--libpthread/nptl/sysdeps/mips/jmpbuf-unwind.h3
-rw-r--r--libpthread/nptl/sysdeps/powerpc/jmpbuf-unwind.h3
-rw-r--r--libpthread/nptl/sysdeps/sh/jmpbuf-unwind.h5
-rw-r--r--libpthread/nptl/sysdeps/sparc/sparc32/jmpbuf-unwind.h4
-rw-r--r--libpthread/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h3
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c1
-rw-r--r--libpthread/nptl/sysdeps/x86_64/jmpbuf-unwind.h3
17 files changed, 65 insertions, 55 deletions
diff --git a/include/setjmp.h b/include/setjmp.h
index fb9c078f7..c70f77198 100644
--- a/include/setjmp.h
+++ b/include/setjmp.h
@@ -113,4 +113,14 @@ extern void siglongjmp (sigjmp_buf __env, int __val)
__END_DECLS
+#ifdef _LIBC
+extern void __longjmp(__jmp_buf __env, int __val) attribute_noreturn;
+libc_hidden_proto(__longjmp)
+extern __typeof(longjmp) __libc_longjmp attribute_noreturn;
+extern __typeof(siglongjmp) __libc_siglongjmp attribute_noreturn;
+extern void _longjmp_unwind(jmp_buf __env, int __val);
+/* We use the normal longjmp for unwinding */
+# define __libc_unwind_longjmp(buf, val) __libc_longjmp(buf, val)
+#endif
+
#endif /* setjmp.h */
diff --git a/libc/sysdeps/linux/common/longjmp.c b/libc/sysdeps/linux/common/longjmp.c
index f3448bc6f..e9fee84ec 100644
--- a/libc/sysdeps/linux/common/longjmp.c
+++ b/libc/sysdeps/linux/common/longjmp.c
@@ -20,15 +20,6 @@
#include <setjmp.h>
#include <signal.h>
-
-extern void __longjmp (__jmp_buf __env, int __val) attribute_noreturn;
-libc_hidden_proto(__longjmp)
-
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
-extern void _longjmp_unwind (jmp_buf env, int val);
-#endif
-
-extern __typeof(longjmp) __libc_longjmp attribute_noreturn;
/* Set the signal mask to the one specified in ENV, and jump
to the position specified in ENV, causing the setjmp
call there to return VAL, or 1 if VAL is 0. */
diff --git a/libc/sysdeps/linux/h8300/__longjmp.S b/libc/sysdeps/linux/h8300/__longjmp.S
index 5cffa3e5f..eb433df23 100644
--- a/libc/sysdeps/linux/h8300/__longjmp.S
+++ b/libc/sysdeps/linux/h8300/__longjmp.S
@@ -20,3 +20,5 @@ ___longjmp:
mov.l @er0+,er3 ; return PC
adds #4,sp ; adjust return stack
jmp @er3
+
+libc_hidden_def(__longjmp)
diff --git a/libc/sysdeps/linux/i960/setjmp.S b/libc/sysdeps/linux/i960/setjmp.S
index 2133ef557..2525f55d3 100644
--- a/libc/sysdeps/linux/i960/setjmp.S
+++ b/libc/sysdeps/linux/i960/setjmp.S
@@ -122,3 +122,5 @@ ___longjmp:
mov 1, g0 /* return 1 by default */
0:
ret /* return to caller of __sigsetjmp */
+
+libc_hidden_def(__longjmp)
diff --git a/libc/sysdeps/linux/sh/longjmp.c b/libc/sysdeps/linux/sh/longjmp.c
new file mode 100644
index 000000000..e410f054f
--- /dev/null
+++ b/libc/sysdeps/linux/sh/longjmp.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 1991, 92, 94, 95, 97, 98, 2000 Free Software Foundation, Inc.
+ Copyright (C) 2001 Hewlett-Packard Australia
+
+ This program is free software; you can redistribute it and/or modify it under
+ the terms of the GNU Library General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at your option) any
+ later version.
+
+ This program 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 Library General Public License for more
+ details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this program; if not, write to the Free Software Foundation, Inc.,
+ 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+ Derived in part from the Linux-8086 C library, the GNU C Library, and several
+ other sundry sources. Files within this library are copyright by their
+ respective copyright holders.
+*/
+
+#include <stddef.h>
+#include <setjmp.h>
+#include <signal.h>
+
+/* Set the signal mask to the one specified in ENV, and jump
+ to the position specified in ENV, causing the setjmp
+ call there to return VAL, or 1 if VAL is 0. */
+void __libc_siglongjmp (sigjmp_buf env, int val)
+{
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ /* Perform any cleanups needed by the frames being unwound. */
+ _longjmp_unwind (env, val);
+#endif
+
+ if (env[0].__mask_was_saved)
+ /* Restore the saved signal mask. */
+ (void) sigprocmask (SIG_SETMASK, &env[0].__saved_mask,
+ (sigset_t *) NULL);
+
+ /* Call the machine-dependent function to restore machine state. */
+ __longjmp ((char *) env[0].__jmpbuf, val ?: 1);
+}
+
+__asm__(".weak longjmp; longjmp = __libc_siglongjmp");
+__asm__(".weak _longjmp; _longjmp = __libc_siglongjmp");
+__asm__(".weak siglongjmp; siglongjmp = __libc_siglongjmp");
+strong_alias(__libc_siglongjmp, __libc_longjmp)
diff --git a/libpthread/linuxthreads.old/ptlongjmp.c b/libpthread/linuxthreads.old/ptlongjmp.c
index 5213a4de0..c01b9194b 100644
--- a/libpthread/linuxthreads.old/ptlongjmp.c
+++ b/libpthread/linuxthreads.old/ptlongjmp.c
@@ -20,11 +20,6 @@
#include "internals.h"
#include <bits/stackinfo.h>
-/* These functions are not declared anywhere since they shouldn't be
- used at another place but here. */
-extern __typeof(siglongjmp) __libc_siglongjmp attribute_noreturn;
-extern __typeof(longjmp) __libc_longjmp attribute_noreturn;
-
static void pthread_cleanup_upto(__jmp_buf target)
{
pthread_descr self = thread_self();
@@ -58,13 +53,13 @@ static void pthread_cleanup_upto(__jmp_buf target)
THREAD_SETMEM(self, p_in_sighandler, NULL);
}
-void attribute_noreturn siglongjmp(sigjmp_buf env, int val)
+void siglongjmp(sigjmp_buf env, int val)
{
pthread_cleanup_upto(env->__jmpbuf);
__libc_siglongjmp(env, val);
}
-void attribute_noreturn longjmp(jmp_buf env, int val)
+void longjmp(jmp_buf env, int val)
{
pthread_cleanup_upto(env->__jmpbuf);
__libc_longjmp(env, val);
diff --git a/libpthread/linuxthreads/sysdeps/pthread/ptlongjmp.c b/libpthread/linuxthreads/sysdeps/pthread/ptlongjmp.c
index a2a56b8d9..ee5522036 100644
--- a/libpthread/linuxthreads/sysdeps/pthread/ptlongjmp.c
+++ b/libpthread/linuxthreads/sysdeps/pthread/ptlongjmp.c
@@ -19,13 +19,6 @@
#include "pthread.h"
#include "internals.h"
-/* These functions are not declared anywhere since they shouldn't be
- used at another place but here. */
-extern void __libc_siglongjmp (sigjmp_buf env, int val)
- __attribute__ ((noreturn));
-extern void __libc_longjmp (sigjmp_buf env, int val)
- __attribute__ ((noreturn));
-
#ifdef SHARED
void siglongjmp (sigjmp_buf env, int val)
{
diff --git a/libpthread/nptl/sysdeps/alpha/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/alpha/jmpbuf-unwind.h
index 5cef8b1cf..5ef2f6167 100644
--- a/libpthread/nptl/sysdeps/alpha/jmpbuf-unwind.h
+++ b/libpthread/nptl/sysdeps/alpha/jmpbuf-unwind.h
@@ -26,6 +26,3 @@
#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_SP] - (_adj))
-
-/* We use the normal lobngjmp for unwinding. */
-#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)
diff --git a/libpthread/nptl/sysdeps/arm/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/arm/jmpbuf-unwind.h
index 6e8f01d10..6251c0040 100644
--- a/libpthread/nptl/sysdeps/arm/jmpbuf-unwind.h
+++ b/libpthread/nptl/sysdeps/arm/jmpbuf-unwind.h
@@ -31,6 +31,3 @@
#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[__JMP_BUF_SP] - (_adj))
-
-/* We use the normal longjmp for unwinding. */
-#define __libc_unwind_longjmp(buf, val) longjmp (buf, val)
diff --git a/libpthread/nptl/sysdeps/i386/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/i386/jmpbuf-unwind.h
index b9528f363..5ef2f6167 100644
--- a/libpthread/nptl/sysdeps/i386/jmpbuf-unwind.h
+++ b/libpthread/nptl/sysdeps/i386/jmpbuf-unwind.h
@@ -26,7 +26,3 @@
#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_SP] - (_adj))
-
-/* We use the normal lobngjmp for unwinding. */
-extern __typeof(longjmp) __libc_longjmp attribute_noreturn;
-#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)
diff --git a/libpthread/nptl/sysdeps/mips/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/mips/jmpbuf-unwind.h
index a9cfe43b3..788920a9f 100644
--- a/libpthread/nptl/sysdeps/mips/jmpbuf-unwind.h
+++ b/libpthread/nptl/sysdeps/mips/jmpbuf-unwind.h
@@ -25,6 +25,3 @@
#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[0].__sp - (_adj))
-
-/* We use the normal longjmp for unwinding. */
-#define __libc_unwind_longjmp(buf, val) longjmp (buf, val)
diff --git a/libpthread/nptl/sysdeps/powerpc/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/powerpc/jmpbuf-unwind.h
index 0b817160d..59ae02c0c 100644
--- a/libpthread/nptl/sysdeps/powerpc/jmpbuf-unwind.h
+++ b/libpthread/nptl/sysdeps/powerpc/jmpbuf-unwind.h
@@ -26,6 +26,3 @@
#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_GPR1] - (_adj))
-
-/* We use the normal lobngjmp for unwinding. */
-#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)
diff --git a/libpthread/nptl/sysdeps/sh/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/sh/jmpbuf-unwind.h
index 41c3c3984..116d21442 100644
--- a/libpthread/nptl/sysdeps/sh/jmpbuf-unwind.h
+++ b/libpthread/nptl/sysdeps/sh/jmpbuf-unwind.h
@@ -26,8 +26,3 @@
#define _JMPBUF_UNWINDS_ADJ(jmpbuf, address, adj) \
((uintptr_t) (address) - (adj) < (uintptr_t) (jmpbuf)[0].__regs[7] - (adj))
-
-extern __typeof(longjmp) __libc_longjmp attribute_noreturn;
-
-/* We use the normal lobngjmp for unwinding. */
-#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)
diff --git a/libpthread/nptl/sysdeps/sparc/sparc32/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/sparc/sparc32/jmpbuf-unwind.h
index 71a358209..5ef2f6167 100644
--- a/libpthread/nptl/sysdeps/sparc/sparc32/jmpbuf-unwind.h
+++ b/libpthread/nptl/sysdeps/sparc/sparc32/jmpbuf-unwind.h
@@ -26,7 +26,3 @@
#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_SP] - (_adj))
-
-/* We use the normal longjmp for unwinding. */
-extern __typeof(longjmp) __libc_longjmp attribute_noreturn;
-#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)
diff --git a/libpthread/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h
index 5cef8b1cf..5ef2f6167 100644
--- a/libpthread/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h
+++ b/libpthread/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h
@@ -26,6 +26,3 @@
#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_SP] - (_adj))
-
-/* We use the normal lobngjmp for unwinding. */
-#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c b/libpthread/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c
index 642198bad..f2795510a 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c
@@ -25,7 +25,6 @@ extern void __pthread_cleanup_upto (__jmp_buf env, char *targetframe);
#pragma weak __pthread_cleanup_upto
-void _longjmp_unwind (jmp_buf env, int val);
void
_longjmp_unwind (jmp_buf env, int val)
{
diff --git a/libpthread/nptl/sysdeps/x86_64/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/x86_64/jmpbuf-unwind.h
index 345ed557c..2c861c62d 100644
--- a/libpthread/nptl/sysdeps/x86_64/jmpbuf-unwind.h
+++ b/libpthread/nptl/sysdeps/x86_64/jmpbuf-unwind.h
@@ -26,6 +26,3 @@
#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_RSP] - (_adj))
-
-/* We use the normal lobngjmp for unwinding. */
-#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 08:51:47 +0000