S/390: Make jmp_buf extendible.

10 files changed, 159 insertions, 6 deletions

diff --git a/sysdeps/unix/sysv/linux/s390/Makefile b/sysdeps/unix/sysv/linux/s390/Makefile
index 45b1922338..f91179d0fc 100644
--- a/sysdeps/unix/sysv/linux/s390/Makefile
+++ b/sysdeps/unix/sysv/linux/s390/Makefile
@@ -16,3 +16,9 @@ endif
 ifeq ($(subdir),elf)
 sysdep_routines += dl-vdso
 endif
+
+ifeq ($(subdir),debug)
+ifeq (yes,$(build-shared))
+sysdep_routines += v1-longjmp_chk
+endif
+endif
diff --git a/sysdeps/unix/sysv/linux/s390/Versions b/sysdeps/unix/sysv/linux/s390/Versions
index 627ff53529..95778235bf 100644
--- a/sysdeps/unix/sysv/linux/s390/Versions
+++ b/sysdeps/unix/sysv/linux/s390/Versions
@@ -1,4 +1,7 @@
 libc {
+  GLIBC_2.19 {
+    __longjmp_chk;
+  }
   GLIBC_PRIVATE {
     __vdso_clock_gettime;
     __vdso_clock_getres;
diff --git a/sysdeps/unix/sysv/linux/s390/longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/longjmp_chk.c
new file mode 100644
index 0000000000..10f542d61c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/longjmp_chk.c
@@ -0,0 +1,44 @@
+/* Copyright (C) 2013 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/>.
+
+   This is a copy of debug/longjmp_chk.c extended for symbol
+   versioning.  */
+
+#include <shlib-compat.h>
+#include <setjmp.h>
+
+/* This place is the only user of these functions.  */
+extern void ____v2__longjmp_chk (__jmp_buf __env, int __val)
+     __attribute__ ((__noreturn__));
+
+#if defined NOT_IN_libc
+
+# define __v2__longjmp ____longjmp_chk
+# define __v2__libc_siglongjmp __longjmp_chk
+
+# include <longjmp.c>
+
+#else
+
+# define __v2__longjmp ____v2__longjmp_chk
+# define __v2__libc_siglongjmp __v2__libc_siglongjmp_chk
+
+# include <longjmp.c>
+
+versioned_symbol (libc, __v2__libc_siglongjmp_chk, __longjmp_chk, GLIBC_2_19);
+
+#endif
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
index e74f335768..a1b7a6a1ae 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
@@ -26,8 +26,8 @@
 #include <stdint.h>
 #include <signal.h>
 #include <sys/syscall.h>
-
-#define __longjmp ____longjmp_chk
+#include <libc-symbols.h>
+#include <shlib-compat.h>
 
 #define CHECK_SP(env, guard) \
   do									\
@@ -51,4 +51,22 @@
 	}								\
     } while (0)
 
-#include "__longjmp.c"
+
+#if defined NOT_IN_libc
+/* Build a non-versioned object for rtld-*.  */
+# define __longjmp ____longjmp_chk
+# include "__longjmp-common.c"
+
+#else /* !NOT_IN_libc */
+# define __longjmp  ____v2__longjmp_chk
+# include "__longjmp-common.c"
+
+# if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_11, GLIBC_2_19)
+#  undef __longjmp
+#  define __V1_JMPBUF
+#  define __longjmp  ____v1__longjmp_chk
+#  include "__longjmp-common.c"
+#  undef __longjmp
+
+# endif
+#endif /* !NOT_IN_libc */
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libc.abilist
index b6256d5c25..18ec9944e1 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libc.abilist
@@ -1774,6 +1774,16 @@ GLIBC_2.17
 GLIBC_2.18
  GLIBC_2.18 A
  __cxa_thread_atexit_impl F
+GLIBC_2.19
+ GLIBC_2.19 A
+ __longjmp_chk F
+ __setjmp F
+ __sigsetjmp F
+ _longjmp F
+ _setjmp F
+ longjmp F
+ setjmp F
+ siglongjmp F
 GLIBC_2.2
  GLIBC_2.2 A
  _IO_adjust_wcolumn F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libpthread.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libpthread.abilist
index 865364e130..699de0160c 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libpthread.abilist
@@ -178,6 +178,10 @@ GLIBC_2.18
  GLIBC_2.18 A
  pthread_getattr_default_np F
  pthread_setattr_default_np F
+GLIBC_2.19
+ GLIBC_2.19 A
+ longjmp F
+ siglongjmp F
 GLIBC_2.2
  GLIBC_2.2 A
  __open64 F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
index a3b1375a0d..bc27b08728 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
@@ -26,8 +26,8 @@
 #include <stdint.h>
 #include <signal.h>
 #include <sys/syscall.h>
-
-#define __longjmp ____longjmp_chk
+#include <libc-symbols.h>
+#include <shlib-compat.h>
 
 #define CHECK_SP(env, guard) \
   do									\
@@ -51,4 +51,23 @@
 	}								\
     } while (0)
 
-#include "__longjmp.c"
+
+#if defined NOT_IN_libc
+/* Build a non-versioned object for rtld-*.  */
+# define __longjmp ____longjmp_chk
+# include "__longjmp-common.c"
+
+#else /* !NOT_IN_libc */
+# define __longjmp  ____v2__longjmp_chk
+# include "__longjmp-common.c"
+# undef __longjmp
+
+# if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_11, GLIBC_2_19)
+#  undef __longjmp
+#  define __V1_JMPBUF
+#  define __longjmp  ____v1__longjmp_chk
+#  include "__longjmp-common.c"
+#  undef __longjmp
+
+# endif
+#endif /* !NOT_IN_libc */
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libc.abilist
index 265f66d905..05b5286058 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libc.abilist
@@ -95,6 +95,16 @@ GLIBC_2.17
 GLIBC_2.18
  GLIBC_2.18 A
  __cxa_thread_atexit_impl F
+GLIBC_2.19
+ GLIBC_2.19 A
+ __longjmp_chk F
+ __setjmp F
+ __sigsetjmp F
+ _longjmp F
+ _setjmp F
+ longjmp F
+ setjmp F
+ siglongjmp F
 GLIBC_2.2
  GLIBC_2.2 A
  _Exit F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libpthread.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libpthread.abilist
index 6613c09b06..51a8a7ff60 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libpthread.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libpthread.abilist
@@ -12,6 +12,10 @@ GLIBC_2.18
  GLIBC_2.18 A
  pthread_getattr_default_np F
  pthread_setattr_default_np F
+GLIBC_2.19
+ GLIBC_2.19 A
+ longjmp F
+ siglongjmp F
 GLIBC_2.2
  GLIBC_2.2 A
  _IO_flockfile F
diff --git a/sysdeps/unix/sysv/linux/s390/v1-longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/v1-longjmp_chk.c
new file mode 100644
index 0000000000..bd80acfe66
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/v1-longjmp_chk.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 2013 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/>.
+
+   This went into a separate source file since we would otherwise be
+   needed to include two different versions of setjmp.h into the same
+   file.  */
+
+#include <shlib-compat.h>
+
+#if !defined NOT_IN_libc && defined SHARED
+# if SHLIB_COMPAT (libc, GLIBC_2_11, GLIBC_2_19)
+
+#  define __v1__longjmp ____v1__longjmp_chk
+#  define __v1__libc_siglongjmp __v1__libc_siglongjmp_chk
+
+#  include <v1-longjmp.c>
+
+compat_symbol (libc, __v1__libc_siglongjmp_chk, __longjmp_chk, GLIBC_2_11);
+
+# endif
+#endif