Update copyright dates with scripts/update-copyrights.

[thirdparty/glibc.git] / sysdeps / i386 / __longjmp.S

diff --git a/sysdeps/i386/__longjmp.S b/sysdeps/i386/__longjmp.S
index a8049e9de3928998e6cde964859958cd7de1cc64..affe1e84632620a3138da39bc7fedee9644e1809 100644 (file)
--- a/sysdeps/i386/__longjmp.S
+++ b/sysdeps/i386/__longjmp.S
@@ -1,38 +1,72 @@
 /* longjmp for i386.
-   Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1995-2015 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 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
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   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 <sysdep.h>
-#define _ASM
-#define _SETJMP_H
-#include <bits/setjmp.h>
+#include <jmpbuf-offsets.h>
+#include <asm-syntax.h>
+#include <stap-probe.h>
 
+       .text
 ENTRY (__longjmp)
+#ifdef PTR_DEMANGLE
+       movl 4(%esp), %eax      /* User's jmp_buf in %eax.  */
+
+       /* Save the return address now.  */
+       movl (JB_PC*4)(%eax), %edx
+       /* Get the stack pointer.  */
+       movl (JB_SP*4)(%eax), %ecx
+       PTR_DEMANGLE (%edx)
+       PTR_DEMANGLE (%ecx)
+       LIBC_PROBE (longjmp, 3, 4@%eax, -4@8(%esp), 4@%edx)
+       cfi_def_cfa(%eax, 0)
+       cfi_register(%eip, %edx)
+       cfi_register(%esp, %ecx)
+       cfi_offset(%ebx, JB_BX*4)
+       cfi_offset(%esi, JB_SI*4)
+       cfi_offset(%edi, JB_DI*4)
+       cfi_offset(%ebp, JB_BP*4)
+       /* Restore registers.  */
+       movl (JB_BX*4)(%eax), %ebx
+       movl (JB_SI*4)(%eax), %esi
+       movl (JB_DI*4)(%eax), %edi
+       movl (JB_BP*4)(%eax), %ebp
+       cfi_restore(%ebx)
+       cfi_restore(%esi)
+       cfi_restore(%edi)
+       cfi_restore(%ebp)
+
+       LIBC_PROBE (longjmp_target, 3, 4@%eax, -4@8(%esp), 4@%edx)
+       movl 8(%esp), %eax      /* Second argument is return value.  */
+       movl %ecx, %esp
+#else
        movl 4(%esp), %ecx      /* User's jmp_buf in %ecx.  */
        movl 8(%esp), %eax      /* Second argument is return value.  */
        /* Save the return address now.  */
        movl (JB_PC*4)(%ecx), %edx
-       /* Restore registers.  */
+       LIBC_PROBE (longjmp, 3, 4@%ecx, -4@%eax, 4@%edx)
+       /* Restore registers.  */
        movl (JB_BX*4)(%ecx), %ebx
        movl (JB_SI*4)(%ecx), %esi
        movl (JB_DI*4)(%ecx), %edi
        movl (JB_BP*4)(%ecx), %ebp
        movl (JB_SP*4)(%ecx), %esp
+       LIBC_PROBE (longjmp_target, 3, 4@%ecx, -4@%ecx, 4@%edx)
+#endif
        /* Jump to saved PC.  */
-       jmp *%edx
+       jmp *%edx
 END (__longjmp)