+2014-07-31 Stefan Liebler <stli@linux.vnet.ibm.com>
+
+ * sysdeps/s390/Makefile: Delete file.
+ * sysdeps/s390/Versions (GLIBC_2.19): Remove __setjmp.
+ * sysdeps/s390/__longjmp.c: Delete file.
+ * sysdeps/s390/bits/setjmp.h (__s390_jmp_buf):
+ Remove fields __flags and __reserved.
+ * sysdeps/s390/longjmp.c: Include setjmp/longjmp.c
+ and add versioning.
+ * sysdeps/s390/rtld-__longjmp.c: Delete file.
+ * sysdeps/s390/rtld-global-offsets.sym: Likewise.
+ * sysdeps/s390/rtld-setjmp.S: Likewise.
+ * sysdeps/s390/s390-32/__longjmp-common.c: Move to ...
+ * sysdeps/s390/s390-32/__longjmp.c: ... here.
+ * sysdeps/s390/s390-32/setjmp-common.S: Move to ...
+ * sysdeps/s390/s390-32/setjmp.S: ... here.
+ Add versioning.
+ (__sigsetjmp): Remove setting __flags field.
+ * sysdeps/s390/s390-64/__longjmp-common.c:Move to ...
+ * sysdeps/s390/s390-64/__longjmp.c: ... here.
+ * sysdeps/s390/s390-64/setjmp-common.S: Move to ...
+ * sysdeps/s390/s390-64/setjmp.S: ... here.
+ Add versioning.
+ (__sigsetjmp): Remove setting __flags field.
+ * sysdeps/s390/setjmp.S: Delete file.
+ * sysdeps/s390/sigjmp.c: Likewise.
+ * sysdeps/s390/v1-longjmp.c: Likewise.
+ * sysdeps/s390/v1-setjmp.h: Likewise.
+ * sysdeps/s390/v1-sigjmp.c: Likewise.
+ * sysdeps/unix/sysv/linux/s390/Makefile (sysdep_routines):
+ Remove v1-longjmp_chk.
+ * sysdeps/unix/sysv/linux/s390/getcontext.S: Delete file.
+ * sysdeps/unix/sysv/linux/s390/longjmp_chk.c:
+ Include debug/longjmp_chk.c and add versioning.
+ * sysdeps/unix/sysv/linux/s390/pt-longjmp.c:
+ Include nptl/pt-longjmp.c and add versioning.
+ * sysdeps/unix/sysv/linux/s390/rtld-getcontext.S: Delete file.
+ * sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c:
+ Include __longjmp.c.
+ * sysdeps/unix/sysv/linux/s390/s390-32/getcontext-common.S:
+ Move to ...
+ * sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S: ... here.
+ (__getcontext): Remove setting __flags field.
+ Add versioning.
+ * sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S:
+ Don't restore upper high grps.
+ * sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S:
+ Likewise.
+ (__swapcontext): Remove setting uc_flags field.
+ * sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.sym:
+ Delete file.
+ * sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c:
+ Include __longjmp.c.
+ * sysdeps/unix/sysv/linux/s390/s390-64/getcontext-common.S:
+ Move to ...
+ * sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S: ... here.
+ (__getcontext): Remove setting __flags field.
+ Add versioning.
+ * sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S:
+ (__swapcontext): Remove setting uc_flags field.
+ * unix/sysv/linux/s390/s390-64/ucontext_i.sym: Delete file.
+ * sysdeps/unix/sysv/linux/s390/sys/ucontext.h (ucontext):
+ Remove fields uc_high_gprs and __reserved.
+ * sysdeps/unix/sysv/linux/s390/ucontext_i.sym:
+ New file with reverted content.
+ * sysdeps/unix/sysv/linux/s390/v1-longjmp_chk.c: Delete file.
+ * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist:
+ Regenerated.
+ * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist:
+ Regenerated.
+
2014-07-31 Andreas Schwab <schwab@suse.de>
* config.h.in (HAVE_IFUNC): Define to 0.
+++ /dev/null
-ifeq ($(subdir),setjmp)
-ifeq (yes,$(build-shared))
-sysdep_routines += v1-longjmp v1-sigjmp
-endif
-endif
-
-ifeq ($(subdir),csu)
-gen-as-const-headers += rtld-global-offsets.sym
-endif
libc {
GLIBC_2.19 {
- setjmp; _setjmp; __setjmp; __sigsetjmp;
+ setjmp; _setjmp; __sigsetjmp;
longjmp; _longjmp; siglongjmp;
}
- GLIBC_PRIVATE {
- __v1__libc_longjmp; __v1__libc_siglongjmp;
- __v2__libc_longjmp; __v2__libc_siglongjmp;
- }
}
ld {
+++ /dev/null
-/* 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/>. */
-
-#include <libc-symbols.h>
-#include <shlib-compat.h>
-
-#define __longjmp __v2__longjmp
-#include "__longjmp-common.c"
-#undef __longjmp
-strong_alias (__v2__longjmp, __longjmp)
-
-#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19)
-# undef __longjmp
-# define __V1_JMPBUF
-# define __longjmp __v1__longjmp
-# include "__longjmp-common.c"
-#endif /* if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19) */
/* We save fpu registers 4 and 6. */
long __fpregs[4];
# endif
-#ifndef __V1_JMPBUF
- unsigned long __flags;
- char __reserved[128];
-#endif
} __jmp_buf[1];
#endif
-/* Copyright (C) 2013 Free Software Foundation, Inc.
+/* Copyright (C) 2014 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/>.
- Versioned copy of sysdeps/generic/longjmp.c modified for extended
- jmpbuf. */
+ Versioned copy of setjmp/longjmp.c modified for versioning
+ the reverted jmpbuf extension. */
#include <shlib-compat.h>
-#include <stddef.h>
-#include <setjmp.h>
-#include <signal.h>
-extern void __v2__longjmp (__jmp_buf __env, int __val)
- __attribute__ ((__noreturn__));
-extern void __v2__libc_longjmp (sigjmp_buf env, int val)
- __attribute__ ((__noreturn__));
-libc_hidden_proto (__v2__libc_longjmp)
-
-/* 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
-__v2__libc_siglongjmp (sigjmp_buf env, int val)
-{
- /* Perform any cleanups needed by the frames being unwound. */
- _longjmp_unwind (env, val);
-
- 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. */
- __v2__longjmp (env[0].__jmpbuf, val ?: 1);
-}
-
-#ifndef __v2__longjmp
-strong_alias (__v2__libc_siglongjmp, __v2__libc_longjmp)
-libc_hidden_def (__v2__libc_longjmp)
-weak_alias (__v2__libc_siglongjmp, __v2_longjmp)
-weak_alias (__v2__libc_siglongjmp, __v2longjmp)
-weak_alias (__v2__libc_siglongjmp, __v2siglongjmp)
-
-/* These will be used by libpthread only. */
-versioned_symbol (libc, __v2__libc_longjmp, __libc_longjmp, GLIBC_PRIVATE);
-versioned_symbol (libc, __v2__libc_siglongjmp, __libc_siglongjmp, GLIBC_PRIVATE);
-
-versioned_symbol (libc, __v2_longjmp, _longjmp, GLIBC_2_19);
-versioned_symbol (libc, __v2longjmp, longjmp, GLIBC_2_19);
-versioned_symbol (libc, __v2siglongjmp, siglongjmp, GLIBC_2_19);
-#endif /* ifndef __v2__longjmp */
+#include <setjmp/longjmp.c>
+
+#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+/* In glibc release 2.19 new versions of longjmp-functions were introduced,
+ but were reverted before 2.20. Thus both versions are the same function. */
+weak_alias (__libc_siglongjmp, __v1_longjmp)
+weak_alias (__libc_siglongjmp, __v2_longjmp)
+versioned_symbol (libc, __v1_longjmp, _longjmp, GLIBC_2_0);
+compat_symbol (libc, __v2_longjmp, _longjmp, GLIBC_2_19);
+
+weak_alias (__libc_siglongjmp, __v1longjmp)
+weak_alias (__libc_siglongjmp, __v2longjmp)
+versioned_symbol (libc, __v1longjmp, longjmp, GLIBC_2_0);
+compat_symbol (libc, __v2longjmp, longjmp, GLIBC_2_19);
+
+weak_alias (__libc_siglongjmp, __v1siglongjmp)
+weak_alias (__libc_siglongjmp, __v2siglongjmp)
+versioned_symbol (libc, __v1siglongjmp, siglongjmp, GLIBC_2_0);
+compat_symbol (libc, __v2siglongjmp, siglongjmp, GLIBC_2_19);
+#endif /* SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20) */
+++ /dev/null
-/* 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/>. */
-
-/* Build a non-versioned object for rtld-*. */
-# include "__longjmp-common.c"
+++ /dev/null
-#define SHARED 1
-
-#include <ldsodefs.h>
-
-#define rtld_global_ro_offsetof(mem) offsetof (struct rtld_global_ro, mem)
-
-RTLD_GLOBAL_RO_DL_HWCAP_OFFSET rtld_global_ro_offsetof (_dl_hwcap)
+++ /dev/null
-/* Extendible version of setjmp for System z
- 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/>. */
-
-/* Build a non-versioned object for rtld-*. */
-# include "setjmp-common.S"
/* Jump to the position specified by ENV, causing the
setjmp call there to return VAL, or 1 if VAL is 0. */
-attribute_hidden void
+void
__longjmp (__jmp_buf env, int val)
{
#ifdef PTR_DEMANGLE
#define _ASM
#define _SETJMP_H
#include <bits/setjmp.h>
+#include <shlib-compat.h>
+
+#if !defined IS_IN_rtld
+# if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+ /* we need a unique name in case of symbol versioning. */
+# define __sigsetjmp __v1__sigsetjmp
+# endif /* if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20) */
+#endif /* !defined IS_IN_rtld */
/* We include the BSD entry points here as well but we make
them weak. */
ENTRY (setjmp)
.weak C_SYMBOL_NAME (setjmp)
lhi %r3,1 /* second argument of one */
- j 0f /* branch relativ to __sigsetjmp */
+ j .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */
END (setjmp)
/* Binary compatibility entry point. */
ENTRY(_setjmp)
.weak C_SYMBOL_NAME (_setjmp)
lhi %r3,0 /* second argument of zero */
- j 0f /* branch relativ to __sigsetjmp */
+ j .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */
END (_setjmp)
libc_hidden_def (_setjmp)
ENTRY(__setjmp)
lhi %r3,0 /* second argument of zero */
- j 0f /* branch relativ to __sigsetjmp */
+ j .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */
END (__setjmp)
ENTRY(__sigsetjmp)
-0:
+.Linternal_sigsetjmp:
#ifdef PTR_MANGLE
stm %r6,%r13,0(%r2) /* store registers in jmp_buf */
lr %r4,%r14
stm %r4,%r5,32(%r2)
#else
stm %r6,%r15,0(%r2) /* store registers in jmp_buf */
-#endif
-#ifndef __V1_JMPBUF
- lhi %r4,0
- st %r4,56(%r2) /* Set __flags to 0. */
#endif
std %f4,40(%r2)
std %f6,48(%r2)
we can't save and restore our caller's value. Instead, we do an
indirect jump through the GOT. */
basr %r1,0
-0: al %r1,1f-0b(0,%r1) /* get address of global offset table */
- /* get address of __sigjmp_save from got */
+.L0: al %r1,.L1 - .L0(0,%r1) /* get address of global offset table */
+ /* get address of __sigjmp_save from got */
l %r1,__sigjmp_save@GOT12(0,%r1)
br %r1
-1: .long _GLOBAL_OFFSET_TABLE_ - 0b
+.L1: .long _GLOBAL_OFFSET_TABLE_ - .L0
#else
basr %r1,0
-0: l %r1,1f-0b(0,%r1) /* load address of __sigjmp_save */
- br %r1 /* tail-call __sigjmp_save */
-1: .long __sigjmp_save
+.L0: l %r1,.L1-.L0(0,%r1) /* load address of __sigjmp_save */
+ br %r1 /* tail-call __sigjmp_save */
+.L1: .long __sigjmp_save
#endif
END (__sigsetjmp)
+
+#if !defined IS_IN_rtld
+# if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+/* In glibc release 2.19 new versions of setjmp-functions were introduced,
+ but were reverted before 2.20. Thus both versions are the same function. */
+
+# undef __sigsetjmp
+
+weak_alias (setjmp, __v1setjmp);
+weak_alias (setjmp, __v2setjmp);
+versioned_symbol (libc, __v1setjmp, setjmp, GLIBC_2_0);
+compat_symbol (libc, __v2setjmp, setjmp, GLIBC_2_19);
+
+weak_alias (_setjmp, __v1_setjmp);
+weak_alias (_setjmp, __v2_setjmp);
+versioned_symbol (libc, __v1_setjmp, _setjmp, GLIBC_2_0);
+compat_symbol (libc, __v2_setjmp, _setjmp, GLIBC_2_19);
+
+strong_alias (__v1__sigsetjmp, __v2__sigsetjmp);
+versioned_symbol (libc, __v1__sigsetjmp, __sigsetjmp, GLIBC_2_0);
+compat_symbol (libc, __v2__sigsetjmp, __sigsetjmp, GLIBC_2_19);
+# endif /* if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20) */
+#endif /* if !defined IS_IN_rtld */
/* Jump to the position specified by ENV, causing the
setjmp call there to return VAL, or 1 if VAL is 0. */
-attribute_hidden void
+void
__longjmp (__jmp_buf env, int val)
{
#ifdef PTR_DEMANGLE
#define _ASM
#define _SETJMP_H
#include <bits/setjmp.h>
+#include <shlib-compat.h>
+
+#if !defined IS_IN_rtld
+# if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+ /* we need a unique name in case of symbol versioning. */
+# define __sigsetjmp __v1__sigsetjmp
+# endif /* if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20) */
+#endif /* !defined IS_IN_rtld */
/* We include the BSD entry points here as well but we make
them weak. */
ENTRY (setjmp)
.weak C_SYMBOL_NAME (setjmp)
lghi %r3,1 /* Second argument of one. */
- j 0f /* Branch relativ to __sigsetjmp. */
+ j .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp. */
END (setjmp)
/* Binary compatibility entry point. */
ENTRY(_setjmp)
.weak C_SYMBOL_NAME (_setjmp)
slgr %r3,%r3 /* Second argument of zero. */
- j 0f /* Branch relativ to __sigsetjmp. */
+ j .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp. */
END (_setjmp)
libc_hidden_def (_setjmp)
ENTRY(__setjmp)
slgr %r3,%r3 /* Second argument of zero. */
- j 0f /* Branch relativ to __sigsetjmp. */
+ j .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp. */
END (__setjmp)
ENTRY(__sigsetjmp)
-0:
+.Linternal_sigsetjmp:
#ifdef PTR_MANGLE
stmg %r6,%r13,0(%r2) /* Store registers in jmp_buf. */
lgr %r4,%r14
stmg %r4,%r5,64(%r2)
#else
stmg %r6,%r15,0(%r2) /* Store registers in jmp_buf. */
-#endif
-#ifndef __V1_JMPBUF
- lghi %r4,0
- stg %r4,144(%r2) /* Set __flags to 0. */
#endif
std %f8,80(%r2)
std %f9,88(%r2)
jg __sigjmp_save
#endif
END (__sigsetjmp)
+
+#if !defined IS_IN_rtld
+# if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+/* In glibc release 2.19 new versions of setjmp-functions were introduced,
+ but were reverted before 2.20. Thus both versions are the same function. */
+
+# undef __sigsetjmp
+
+weak_alias (setjmp, __v1setjmp);
+weak_alias (setjmp, __v2setjmp);
+versioned_symbol (libc, __v1setjmp, setjmp, GLIBC_2_0);
+compat_symbol (libc, __v2setjmp, setjmp, GLIBC_2_19);
+
+weak_alias (_setjmp, __v1_setjmp);
+weak_alias (_setjmp, __v2_setjmp);
+versioned_symbol (libc, __v1_setjmp, _setjmp, GLIBC_2_0);
+compat_symbol (libc, __v2_setjmp, _setjmp, GLIBC_2_19);
+
+strong_alias (__v1__sigsetjmp, __v2__sigsetjmp);
+versioned_symbol (libc, __v1__sigsetjmp, __sigsetjmp, GLIBC_2_0);
+compat_symbol (libc, __v2__sigsetjmp, __sigsetjmp, GLIBC_2_19);
+# endif /* if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20) */
+#endif /* if !defined IS_IN_rtld */
+++ /dev/null
-/* Extendible version of setjmp for System z
- 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/>. */
-
-#include <libc-symbols.h>
-#include <shlib-compat.h>
-
-versioned_symbol (libc, __v2setjmp, setjmp, GLIBC_2_19)
-versioned_symbol (libc, __v2_setjmp, _setjmp, GLIBC_2_19)
-versioned_symbol (libc, __v2__setjmp, __setjmp, GLIBC_2_19)
-versioned_symbol (libc, __v2__sigsetjmp, __sigsetjmp, GLIBC_2_19)
-#define setjmp __v2setjmp
-#define _setjmp __v2_setjmp
-#define __setjmp __v2__setjmp
-#define __sigsetjmp __v2__sigsetjmp
-#define __sigjmp_save __v2__sigjmp_save
-
-#include "setjmp-common.S"
-
-#undef setjmp
-#undef _setjmp
-#undef __setjmp
-#undef __sigsetjmp
-#undef __sigjmp_save
-libc_hidden_ver (__v2setjmp, setjmp)
-libc_hidden_ver (__v2_setjmp, _setjmp)
-libc_hidden_ver (__v2__setjmp, __setjmp)
-libc_hidden_ver (__v2__sigsetjmp, __sigsetjmp)
-
-#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19)
-compat_symbol (libc, __v1setjmp, setjmp, GLIBC_2_0)
-compat_symbol (libc, __v1_setjmp, _setjmp, GLIBC_2_0)
-compat_symbol (libc, __v1__setjmp, __setjmp, GLIBC_2_0)
-compat_symbol (libc, __v1__sigsetjmp, __sigsetjmp, GLIBC_2_0)
-# define setjmp __v1setjmp
-# define _setjmp __v1_setjmp
-# define __setjmp __v1__setjmp
-# define __sigsetjmp __v1__sigsetjmp
-# define __sigjmp_save __v1__sigjmp_save
-# define __V1_JMPBUF
-
-# include "setjmp-common.S"
-
-# undef setjmp
-# undef _setjmp
-# undef __setjmp
-# undef __sigsetjmp
-# undef __sigjmp_save
-
-#endif /* if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19) */
+++ /dev/null
-/* Copyright (C) 1992-2013 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/>. */
-
-#include <stddef.h>
-#include <setjmp.h>
-#include <signal.h>
-
-/* This function is called by the `sigsetjmp' macro
- before doing a `__setjmp' on ENV[0].__jmpbuf.
- Always return zero. */
-
-int
-__v2__sigjmp_save (sigjmp_buf env, int savemask)
-{
- env[0].__mask_was_saved = (savemask &&
- __sigprocmask (SIG_BLOCK, (sigset_t *) NULL,
- &env[0].__saved_mask) == 0);
-
- return 0;
-}
+++ /dev/null
-/* 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/>.
-
- Versioned copy of sysdeps/generic/longjmp.c modified for extended
- jmpbuf. */
-
-#include <shlib-compat.h>
-#include <stddef.h>
-#include <signal.h>
-#include "v1-setjmp.h"
-
-#if !defined NOT_INT_libc && defined SHARED
-# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19)
-
-void
-__v1__libc_siglongjmp (__v1__sigjmp_buf env, int val)
-{
- /* Perform any cleanups needed by the frames being unwound. */
- _longjmp_unwind (env, val);
-
- 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. */
- __v1__longjmp (env[0].__jmpbuf, val ?: 1);
-}
-
-# ifndef __v1__longjmp
-strong_alias (__v1__libc_siglongjmp, __v1__libc_longjmp)
-libc_hidden_def (__v1__libc_longjmp)
-weak_alias (__v1__libc_siglongjmp, __v1_longjmp)
-weak_alias (__v1__libc_siglongjmp, __v1longjmp)
-weak_alias (__v1__libc_siglongjmp, __v1siglongjmp)
-
-compat_symbol (libc, __v1_longjmp, _longjmp, GLIBC_2_0);
-compat_symbol (libc, __v1longjmp, longjmp, GLIBC_2_0);
-compat_symbol (libc, __v1siglongjmp, siglongjmp, GLIBC_2_0);
-
-# endif /* ifndef __v1__longjmp */
-# endif /* SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19) */
-#endif /* if !defined NOT_INT_libc && defined SHARED */
+++ /dev/null
-/* Copyright (C) 1991-2013 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/>. */
-
-/*
- * ISO C99 Standard: 7.13 Nonlocal jumps <setjmp.h>
- */
-
-#ifndef _V1_SETJMP_H
-#define _V1_SETJMP_H 1
-
-#include <features.h>
-
-__BEGIN_DECLS
-
-#define __V1_JMPBUF
-#define _SETJMP_H
-#include <bits/setjmp.h> /* Get `__jmp_buf'. */
-
-#ifndef _ASM
-
-#include <bits/sigset.h> /* Get `__sigset_t'. */
-
-
-/* Calling environment, plus possibly a saved signal mask. */
-typedef struct __v1__jmp_buf_tag
- {
- /* NOTE: The machine-dependent definitions of `__sigsetjmp'
- assume that a `jmp_buf' begins with a `__jmp_buf' and that
- `__mask_was_saved' follows it. Do not move these members
- or add others before it. */
- __jmp_buf __jmpbuf; /* Calling environment. */
- int __mask_was_saved; /* Saved the signal mask? */
- __sigset_t __saved_mask; /* Saved signal mask. */
- } __v1__jmp_buf[1];
-
-
-/* Store the calling environment in ENV, also saving the signal mask.
- Return 0. */
-extern int __v1setjmp (__v1__jmp_buf __env);
-
-/* Store the calling environment in ENV, also saving the
- signal mask if SAVEMASK is nonzero. Return 0.
- This is the internal name for `sigsetjmp'. */
-extern int __v1__sigsetjmp (struct __v1__jmp_buf_tag __env[1],
- int __savemask);
-
-/* Store the calling environment in ENV, not saving the signal mask.
- Return 0. */
-extern int __v1_setjmp (struct __v1__jmp_buf_tag __env[1]);
-
-/* Jump to the environment saved in ENV, making the
- `setjmp' call there return VAL, or 1 if VAL is 0. */
-extern void __v1longjmp (struct __v1__jmp_buf_tag __env[1], int __val)
- __attribute__ ((__noreturn__));
-
-/* Same. Usually `_longjmp' is used with `_setjmp', which does not save
- the signal mask. But it is how ENV was saved that determines whether
- `longjmp' restores the mask; `_longjmp' is just an alias. */
-extern void __v1_longjmp (struct __v1__jmp_buf_tag __env[1], int __val)
- __attribute__ ((__noreturn__));
-
-/* Use the same type for `jmp_buf' and `sigjmp_buf'.
- The `__mask_was_saved' flag determines whether
- or not `longjmp' will restore the signal mask. */
-typedef struct __v1__jmp_buf_tag __v1__sigjmp_buf[1];
-
-/* Jump to the environment saved in ENV, making the
- sigsetjmp call there return VAL, or 1 if VAL is 0.
- Restore the signal mask if that sigsetjmp call saved it.
- This is just an alias `longjmp'. */
-extern void __v1siglongjmp (__v1__sigjmp_buf __env, int __val)
- __attribute__ ((__noreturn__));
-
-/* Internal machine-dependent function to restore context sans signal mask. */
-extern void __v1__longjmp (__jmp_buf __env, int __val)
- __attribute__ ((__noreturn__));
-
-/* Internal function to possibly save the current mask of blocked signals
- in ENV, and always set the flag saying whether or not it was saved.
- This is used by the machine-dependent definition of `__sigsetjmp'.
- Always returns zero, for convenience. */
-extern int __v1__sigjmp_save (__v1__jmp_buf __env, int __savemask);
-
-extern void _longjmp_unwind (__v1__jmp_buf env, int val);
-
-extern void __v1__libc_siglongjmp (__v1__sigjmp_buf env, int val)
- __attribute__ ((noreturn));
-
-extern void __v1__libc_longjmp (__v1__sigjmp_buf env, int val)
- __attribute__ ((noreturn));
-
-libc_hidden_proto (__v1__libc_longjmp)
-libc_hidden_proto (__v1_setjmp)
-libc_hidden_proto (__v1__sigsetjmp)
-#endif /* !_ASM */
-
-#endif /* ifndef _V1_SETJMP_H */
+++ /dev/null
-/* Copyright (C) 1992-2013 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/>.
-
- Copied from setjmp/sigjmp.c for extending jmp_buf. */
-
-#include <bits/wordsize.h>
-#include <shlib-compat.h>
-
-#if !defined NOT_IN_libc && defined SHARED
-# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19)
-# include <stddef.h>
-# include <v1-setjmp.h>
-# include <signal.h>
-
-/* This function is called by the `sigsetjmp' macro
- before doing a `__setjmp' on ENV[0].__jmpbuf.
- Always return zero. */
-
-int
-__v1__sigjmp_save (__v1__sigjmp_buf env, int savemask)
-{
- env[0].__mask_was_saved = (savemask &&
- __sigprocmask (SIG_BLOCK, (sigset_t *) NULL,
- &env[0].__saved_mask) == 0);
-
- return 0;
-}
-
-# endif /* SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19) */
-#endif /* !NOT_IN_libc && SHARED */
sysdep_routines += dl-vdso
endif
-ifeq ($(subdir),debug)
-ifeq (yes,$(build-shared))
-sysdep_routines += v1-longjmp_chk
-endif
-endif
-
ifeq ($(subdir),nptl)
ifeq ($(enable-lock-elision),yes)
libpthread-sysdep_routines += elision-lock elision-unlock elision-timed \
+++ /dev/null
-/* Extendible version of getcontext for System z
- 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/>. */
-
-#include <libc-symbols.h>
-#include <shlib-compat.h>
-
-versioned_symbol (libc, __v2getcontext, getcontext, GLIBC_2_19)
-#define __getcontext __v2getcontext
-
-#include "getcontext-common.S"
-
-#undef __getcontext
-
-libc_hidden_ver (__v2getcontext, getcontext)
-
-#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_19)
-# define __V1_UCONTEXT
-compat_symbol (libc, __v1getcontext, getcontext, GLIBC_2_1)
-# define __getcontext __v1getcontext
-# include "getcontext-common.S"
-# undef __getcontext
-
-#endif
-/* Copyright (C) 2013 Free Software Foundation, Inc.
+/* Copyright (C) 2014 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/>.
- This is a copy of debug/longjmp_chk.c extended for symbol
- versioning. */
+ Versioned copy of debug/longjmp_chk.c modified for versioning
+ the reverted jmpbuf extension. */
#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)
+#if !defined NOT_IN_libc && defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+/* this is a copy from debug/longjmp_chk.c because we need an unique name
+ for __longjmp_chk, but it is already named via a define
+ for __libc_siglongjmp in debug/longjmp_chk.c. */
+# include <setjmp.h>
+
+// XXX Should move to include/setjmp.h
+extern void ____longjmp_chk (__jmp_buf __env, int __val)
__attribute__ ((__noreturn__));
-#if defined NOT_IN_libc
+# define __longjmp ____longjmp_chk
+# define __libc_siglongjmp __v1__longjmp_chk
-# define __v2__longjmp ____longjmp_chk
-# define __v2__libc_siglongjmp __longjmp_chk
+# include <setjmp/longjmp.c>
-# include <longjmp.c>
+/* In glibc release 2.19 a new versions of __longjmp_chk was introduced,
+ but was reverted before 2.20. Thus both versions are the same function. */
+strong_alias (__v1__longjmp_chk, __v2__longjmp_chk);
+versioned_symbol (libc, __v1__longjmp_chk, __longjmp_chk, GLIBC_2_11);
+compat_symbol (libc, __v2__longjmp_chk, __longjmp_chk, GLIBC_2_19);
#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);
+# include <debug/longjmp_chk.c>
#endif
-/* Copyright (C) 2013 Free Software Foundation, Inc.
+/* Copyright (C) 2014 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/>.
- This is a copy of pthread/pt-longjmp.c made for extending the
- jmpbuf structure on System z. */
+ Versioned copy of nptl/pt-longjmp.c modified for versioning
+ the reverted jmpbuf extension. */
-#include <setjmp.h>
-#include <stdlib.h>
-#include <bits/wordsize.h>
-#include "pthreadP.h"
#include <shlib-compat.h>
-#if defined SHARED && SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_19)
-
-/* The __v1 version prototypes are declared in v1-setjmp.h which
- cannot be included together with setjmp.h. So we put the
- prototypes here manually. */
-extern void __v1__libc_siglongjmp (sigjmp_buf env, int val)
- __attribute__ ((noreturn));
-extern void __v1__libc_longjmp (sigjmp_buf env, int val)
- __attribute__ ((noreturn));
-
-void __v1_siglongjmp (sigjmp_buf env, int val)
-{
- __v1__libc_siglongjmp (env, val);
-}
-
-void __v1_longjmp (jmp_buf env, int val)
-{
- __v1__libc_longjmp (env, val);
-}
-
-compat_symbol (libpthread, __v1_longjmp, longjmp, GLIBC_2_0);
-compat_symbol (libpthread, __v1_siglongjmp, siglongjmp, GLIBC_2_0);
-#endif /* defined SHARED && SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_19)) */
-
-void
-__v2_longjmp (jmp_buf env, int val)
-{
- __libc_longjmp (env, val);
-}
-
-void
-__v2_siglongjmp (jmp_buf env, int val)
-{
- __libc_siglongjmp (env, val);
-}
-
-versioned_symbol (libpthread, __v2_longjmp, longjmp, GLIBC_2_19);
-versioned_symbol (libpthread, __v2_siglongjmp, siglongjmp, GLIBC_2_19);
+
+#if defined SHARED && SHLIB_COMPAT (libpthread, GLIBC_2_19, GLIBC_2_20)
+ /* we need a unique name in case of symbol versioning. */
+# define longjmp __v1longjmp
+#endif /* defined SHARED && SHLIB_COMPAT (libpthread, GLIBC_2_19, GLIBC_2_20)) */
+
+#include <nptl/pt-longjmp.c>
+
+#if defined SHARED && SHLIB_COMPAT (libpthread, GLIBC_2_19, GLIBC_2_20)
+/* In glibc release 2.19 new versions of longjmp-functions were introduced,
+ but were reverted before 2.20. Thus both versions are the same function. */
+
+# undef longjmp
+
+strong_alias (__v1longjmp, __v2longjmp)
+versioned_symbol (libpthread, __v1longjmp, longjmp, GLIBC_2_0);
+compat_symbol (libpthread, __v2longjmp, longjmp, GLIBC_2_19);
+
+weak_alias (siglongjmp, __v1siglongjmp)
+weak_alias (siglongjmp, __v2siglongjmp)
+versioned_symbol (libpthread, __v1siglongjmp, siglongjmp, GLIBC_2_0);
+compat_symbol (libpthread, __v2siglongjmp, siglongjmp, GLIBC_2_19);
+#endif /* defined SHARED && SHLIB_COMPAT (libpthread, GLIBC_2_19, GLIBC_2_20)) */
+++ /dev/null
-/* 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/>. */
-
-/* Build a non-versioned object for rtld-*. */
-#include "getcontext-common.S"
#include <stdint.h>
#include <signal.h>
#include <sys/syscall.h>
-#include <libc-symbols.h>
-#include <shlib-compat.h>
+
+#define __longjmp ____longjmp_chk
#define CHECK_SP(env, guard) \
do \
} \
} while (0)
-
-#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 */
+#include "__longjmp.c"
#include <sysdep.h>
#include <features.h>
-#include "rtld-global-offsets.h"
#include "ucontext_i.h"
+#include <shlib-compat.h>
+
/* __getcontext (const ucontext_t *ucp)
Saves the machine context in UCP such that when it is activated,
/* rt_sigprocmask (SIG_BLOCK, NULL, &sc->sc_mask, sigsetsize). */
la %r2,SIG_BLOCK
slr %r3,%r3
- la %r4,SC_MASK(%r1)
+ la %r4,SC_MASK(%r1)
lhi %r5,_NSIG8
svc SYS_ify(rt_sigprocmask)
std %f14,SC_FPRS+112(%r1)
std %f15,SC_FPRS+120(%r1)
- lhi %r2,0
-#ifndef __V1_UCONTEXT
- bras %r3,0f
-# ifdef IS_IN_rtld
- /* Within ld.so we can do slightly better by addressing dl_hwap
- relative to GOT start. */
-1: .long _GLOBAL_OFFSET_TABLE_ - 1b
- .long C_SYMBOL_NAME(_rtld_global_ro)@GOTOFF
-0: l %r4,0(%r3)
- la %r4,0(%r3,%r4)
- l %r5,4(%r3)
- /* _dl_hwcap is 64 bit and we need the lower 32. */
- l %r3,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+4(%r4,%r5)
-# elif PIC
-1: .long _GLOBAL_OFFSET_TABLE_ - 1b
- .long C_SYMBOL_NAME(_rtld_global_ro)@GOT
-0: l %r4,0(%r3)
- la %r4,0(%r3,%r4) /* GOT pointer -> r4 */
- l %r5,4(%r3) /* GOT offset -> r5 */
- l %r5,0(%r4,%r5) /* GOT slot -> r5 */
- l %r3,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+4(%r5)
-# else
- .long C_SYMBOL_NAME(_dl_hwcap)
-0: l %r3,0(%r3)
- l %r3,0(%r3)
-# endif
- tml %r3,512 /* HWCAP_S390_HIGH_GPRS */
- jz 2f
- /* highgprs implies zarch so stmh/oill is ok here. */
- .machine "z900"
- .machinemode "zarch_nohighgprs"
- stmh %r0,%r15,SC_HIGHGPRS(%r1)
- oill %r2,1 /* UCONTEXT_UC_FLAGS_HIGH_GPRS */
-#endif
-2: st %r2,SC_FLGS(%r1)
-
/* Set __getcontext return value to 0. */
slr %r2,%r2
END(__getcontext)
weak_alias (__getcontext, getcontext)
+
+#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+/* In glibc release 2.19 a new version of getcontext was introduced,
+ but was reverted before 2.20. Thus both versions are the same function. */
+weak_alias (__getcontext, __v1__getcontext)
+weak_alias (__getcontext, __v2__getcontext)
+versioned_symbol (libc, __v1__getcontext, getcontext, GLIBC_2_1)
+compat_symbol (libc, __v2__getcontext, getcontext, GLIBC_2_19)
+#endif
GLIBC_2.19
GLIBC_2.19 A
__longjmp_chk F
- __setjmp F
__sigsetjmp F
_longjmp F
_setjmp F
/* Don't touch %a0, used for thread purposes. */
lam %a1,%a15,SC_ACRS+4(%r1)
- /* Restore the upper halfs if available. */
- l %r2,SC_FLGS(%r1)
- tml %r2,1 /* UCONTEXT_UC_FLAGS_HIGH_GPRS */
- jz 0f
- .machine "z900"
- .machinemode "zarch_nohighgprs"
- lmh %r0,%r15,SC_HIGHGPRS(%r1)
-
/* Load general purpose registers. */
-0: lm %r0,%r15,SC_GPRS(%r1)
+ lm %r0,%r15,SC_GPRS(%r1)
/* Return. */
br %r14
std %f14,SC_FPRS+112(%r1)
std %f15,SC_FPRS+120(%r1)
- /* Store access registers. */
- stam %a0,%a15,SC_ACRS(%r1)
-
/* Set __swapcontext return value to 0. */
slr %r2,%r2
+ /* Store access registers. */
+ stam %a0,%a15,SC_ACRS(%r1)
+
/* Store general purpose registers. */
stm %r0,%r15,SC_GPRS(%r1)
- /* Copy uc_flags into the new ucontext_t. */
+ /* sigprocmask (SIG_SETMASK, &sc->sc_mask, NULL). */
+ la %r2,SIG_BLOCK
lr %r5,%r0
- l %r2,SC_FLGS(%r5)
- st %r2,SC_FLGS(%r1)
-
- /* Save/restore the upper halfs if necessary. */
- tml %r2,1 /* UCONTEXT_UC_FLAGS_HIGH_GPRS */
- jz 0f
- .machine "z900"
- .machinemode "zarch_nohighgprs"
- stmh %r0,%r15,SC_HIGHGPRS(%r1)
- lmh %r0,%r15,SC_HIGHGPRS(%r5)
-
- /* rt_sigprocmask (SIG_SETMASK, &sc->sc_mask, NULL, sigsetsize). */
-0: la %r2,SIG_BLOCK
- la %r3,SC_MASK(%r5)
+ la %r3,SC_MASK(%r5)
slr %r4,%r4
lhi %r5,_NSIG8
svc SYS_ify(rt_sigprocmask)
+++ /dev/null
-#include <stddef.h>
-#include <signal.h>
-#include <sys/ucontext.h>
-
---
-
-SIG_BLOCK
-SIG_UNBLOCK
-SIG_SETMASK
-
-_NSIG8 (_NSIG / 8)
-
-#define ucontext(member) offsetof (ucontext_t, member)
-#define mcontext(member) ucontext (uc_mcontext.member)
-
-SC_FLGS ucontext (uc_flags)
-SC_LINK ucontext (uc_link)
-SC_STCK ucontext (uc_stack.ss_sp)
-SC_STSZ ucontext (uc_stack.ss_size)
-SC_PSW mcontext (psw)
-SC_GPRS mcontext (gregs)
-SC_ACRS mcontext (aregs)
-SC_FPC mcontext (fpregs.fpc)
-SC_FPRS mcontext (fpregs.fprs)
-SC_MASK ucontext (uc_sigmask)
-SC_HIGHGPRS ucontext (uc_high_gprs)
#include <stdint.h>
#include <signal.h>
#include <sys/syscall.h>
-#include <libc-symbols.h>
-#include <shlib-compat.h>
+
+#define __longjmp ____longjmp_chk
#define CHECK_SP(env, guard) \
do \
} \
} while (0)
-
-#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 */
+#include "__longjmp.c"
#include "ucontext_i.h"
+#include <shlib-compat.h>
+
/* __getcontext (const ucontext_t *ucp)
Saves the machine context in UCP such that when it is activated,
/* Set __getcontext return value to 0. */
slgr %r2,%r2
- /* Store the version number into the uc_flags field. So far
- we do not make use of the reserved bytes so we store a zero. */
- stg %r2,SC_FLGS(%r1)
-
/* Store access registers. */
stam %a0,%a15,SC_ACRS(%r1)
END(__getcontext)
weak_alias (__getcontext, getcontext)
+
+#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
+/* In glibc release 2.19 a new version of getcontext was introduced,
+ but was reverted before 2.20. Thus both versions are the same function. */
+weak_alias (__getcontext, __v1__getcontext)
+weak_alias (__getcontext, __v2__getcontext)
+versioned_symbol (libc, __v1__getcontext, getcontext, GLIBC_2_1)
+compat_symbol (libc, __v2__getcontext, getcontext, GLIBC_2_19)
+#endif
GLIBC_2.19
GLIBC_2.19 A
__longjmp_chk F
- __setjmp F
__sigsetjmp F
_longjmp F
_setjmp F
std %f14,SC_FPRS+112(%r1)
std %f15,SC_FPRS+120(%r1)
+ /* Set __swapcontext return value to 0. */
+ slgr %r2,%r2
+
/* Store access registers. */
stam %a0,%a15,SC_ACRS(%r1)
- /* Set __swapcontext return value to 0. */
- slgr %r2,%r2
-
/* Store general purpose registers. */
stmg %r0,%r15,SC_GPRS(%r1)
- /* Copy uc_flags into the new ucontext_t. */
- lgr %r5,%r0
- lg %r2,SC_FLGS(%r5)
- stg %r2,SC_FLGS(%r1)
-
/* rt_sigprocmask (SIG_SETMASK, &sc->sc_mask, NULL, sigsetsize). */
la %r2,SIG_BLOCK
+ lgr %r5,%r0
la %r3,SC_MASK(%r5)
- slgr %r4,%r4
lghi %r5,_NSIG8
+ slgr %r4,%r4
svc SYS_ify(rt_sigprocmask)
/* Load fpu context. */
fpreg_t fprs[16];
} fpregset_t;
-/* Bit is set if the uc_high_gprs field contains the upper halfs of
- the 64 bit general purpose registers. Since the uc_high_gprs field
- is only available in the 32 bit version of ucontext_t it will never
- be set for 64 bit. */
-#define UCONTEXT_UC_FLAGS_HIGH_GPRS (1UL << 0)
-
-/* A new uc_flags constant will be defined when actually making use of
- the reserved space: UCONTEXT_UCFLAGS_RESERVED (1UL << 1). */
-
/* Context to describe whole processor state. */
typedef struct
{
stack_t uc_stack;
mcontext_t uc_mcontext;
__sigset_t uc_sigmask;
-#ifndef __s390x__
- unsigned long uc_high_gprs[16];
-#endif
- char __reserved[512];
};
+++ /dev/null
-/* 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
projects / thirdparty / glibc.git / commitdiff
