From 2f438e20ab591641760e97458d5d1569942eced5 Mon Sep 17 00:00:00 2001 From: Stefan Liebler Date: Thu, 31 Jul 2014 20:04:54 +0200 Subject: S/390: Revert the jmp_buf/ucontext_t ABI change. --- sysdeps/s390/Makefile | 9 --- sysdeps/s390/Versions | 6 +- sysdeps/s390/__longjmp.c | 31 --------- sysdeps/s390/bits/setjmp.h | 4 -- sysdeps/s390/longjmp.c | 68 +++++++------------ sysdeps/s390/rtld-__longjmp.c | 19 ------ sysdeps/s390/rtld-global-offsets.sym | 7 -- sysdeps/s390/rtld-setjmp.S | 20 ------ sysdeps/s390/s390-32/__longjmp-common.c | 68 ------------------- sysdeps/s390/s390-32/__longjmp.c | 68 +++++++++++++++++++ sysdeps/s390/s390-32/setjmp-common.S | 84 ------------------------ sysdeps/s390/s390-32/setjmp.S | 111 ++++++++++++++++++++++++++++++++ sysdeps/s390/s390-64/__longjmp-common.c | 74 --------------------- sysdeps/s390/s390-64/__longjmp.c | 74 +++++++++++++++++++++ sysdeps/s390/s390-64/setjmp-common.S | 79 ----------------------- sysdeps/s390/s390-64/setjmp.S | 106 ++++++++++++++++++++++++++++++ sysdeps/s390/setjmp.S | 64 ------------------ sysdeps/s390/sigjmp.c | 34 ---------- sysdeps/s390/v1-longjmp.c | 57 ---------------- sysdeps/s390/v1-setjmp.h | 111 -------------------------------- sysdeps/s390/v1-sigjmp.c | 44 ------------- 21 files changed, 383 insertions(+), 755 deletions(-) delete mode 100644 sysdeps/s390/Makefile delete mode 100644 sysdeps/s390/__longjmp.c delete mode 100644 sysdeps/s390/rtld-__longjmp.c delete mode 100644 sysdeps/s390/rtld-global-offsets.sym delete mode 100644 sysdeps/s390/rtld-setjmp.S delete mode 100644 sysdeps/s390/s390-32/__longjmp-common.c create mode 100644 sysdeps/s390/s390-32/__longjmp.c delete mode 100644 sysdeps/s390/s390-32/setjmp-common.S create mode 100644 sysdeps/s390/s390-32/setjmp.S delete mode 100644 sysdeps/s390/s390-64/__longjmp-common.c create mode 100644 sysdeps/s390/s390-64/__longjmp.c delete mode 100644 sysdeps/s390/s390-64/setjmp-common.S create mode 100644 sysdeps/s390/s390-64/setjmp.S delete mode 100644 sysdeps/s390/setjmp.S delete mode 100644 sysdeps/s390/sigjmp.c delete mode 100644 sysdeps/s390/v1-longjmp.c delete mode 100644 sysdeps/s390/v1-setjmp.h delete mode 100644 sysdeps/s390/v1-sigjmp.c (limited to 'sysdeps/s390') diff --git a/sysdeps/s390/Makefile b/sysdeps/s390/Makefile deleted file mode 100644 index 42978dc..0000000 --- a/sysdeps/s390/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -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 diff --git a/sysdeps/s390/Versions b/sysdeps/s390/Versions index 156abc7..8417623 100644 --- a/sysdeps/s390/Versions +++ b/sysdeps/s390/Versions @@ -1,12 +1,8 @@ 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 { diff --git a/sysdeps/s390/__longjmp.c b/sysdeps/s390/__longjmp.c deleted file mode 100644 index e4acd31..0000000 --- a/sysdeps/s390/__longjmp.c +++ /dev/null @@ -1,31 +0,0 @@ -/* 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 - . */ - -#include -#include - -#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) */ diff --git a/sysdeps/s390/bits/setjmp.h b/sysdeps/s390/bits/setjmp.h index 25eaf10..0071a9d 100644 --- a/sysdeps/s390/bits/setjmp.h +++ b/sysdeps/s390/bits/setjmp.h @@ -40,10 +40,6 @@ typedef struct __s390_jmp_buf /* 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 diff --git a/sysdeps/s390/longjmp.c b/sysdeps/s390/longjmp.c index c758d14..601f077 100644 --- a/sysdeps/s390/longjmp.c +++ b/sysdeps/s390/longjmp.c @@ -1,4 +1,4 @@ -/* 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 @@ -15,50 +15,28 @@ License along with the GNU C Library; if not, see . - 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 -#include -#include -#include -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 + +#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) */ diff --git a/sysdeps/s390/rtld-__longjmp.c b/sysdeps/s390/rtld-__longjmp.c deleted file mode 100644 index 5e9f739..0000000 --- a/sysdeps/s390/rtld-__longjmp.c +++ /dev/null @@ -1,19 +0,0 @@ -/* 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 - . */ - -/* Build a non-versioned object for rtld-*. */ -# include "__longjmp-common.c" diff --git a/sysdeps/s390/rtld-global-offsets.sym b/sysdeps/s390/rtld-global-offsets.sym deleted file mode 100644 index ff4e97f..0000000 --- a/sysdeps/s390/rtld-global-offsets.sym +++ /dev/null @@ -1,7 +0,0 @@ -#define SHARED 1 - -#include - -#define rtld_global_ro_offsetof(mem) offsetof (struct rtld_global_ro, mem) - -RTLD_GLOBAL_RO_DL_HWCAP_OFFSET rtld_global_ro_offsetof (_dl_hwcap) diff --git a/sysdeps/s390/rtld-setjmp.S b/sysdeps/s390/rtld-setjmp.S deleted file mode 100644 index 4011011..0000000 --- a/sysdeps/s390/rtld-setjmp.S +++ /dev/null @@ -1,20 +0,0 @@ -/* 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 - . */ - -/* Build a non-versioned object for rtld-*. */ -# include "setjmp-common.S" diff --git a/sysdeps/s390/s390-32/__longjmp-common.c b/sysdeps/s390/s390-32/__longjmp-common.c deleted file mode 100644 index f78ef65..0000000 --- a/sysdeps/s390/s390-32/__longjmp-common.c +++ /dev/null @@ -1,68 +0,0 @@ -/* Copyright (C) 2000-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - - 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 - . */ - -#include -#include -#include -#include -#include -#include - -/* Jump to the position specified by ENV, causing the - setjmp call there to return VAL, or 1 if VAL is 0. */ -attribute_hidden void -__longjmp (__jmp_buf env, int val) -{ -#ifdef PTR_DEMANGLE - uintptr_t guard = THREAD_GET_POINTER_GUARD (); -# ifdef CHECK_SP - CHECK_SP (env, guard); -# endif -#elif defined CHECK_SP - CHECK_SP (env, 0); -#endif - register int r2 __asm ("%r2") = val == 0 ? 1 : val; -#ifdef PTR_DEMANGLE - register uintptr_t r3 __asm ("%r3") = guard; - register void *r1 __asm ("%r1") = (void *) env; -#endif - /* Restore registers and jump back. */ - asm volatile ("ld %%f6,48(%1)\n\t" - "ld %%f4,40(%1)\n\t" -#ifdef PTR_DEMANGLE - "lm %%r6,%%r13,0(%1)\n\t" - "lm %%r4,%%r5,32(%1)\n\t" - "xr %%r4,%2\n\t" - "xr %%r5,%2\n\t" - "lr %%r15,%%r5\n\t" - "br %%r4" -#else - "lm %%r6,%%r15,0(%1)\n\t" - "br %%r14" -#endif - : : "r" (r2), -#ifdef PTR_DEMANGLE - "r" (r1), "r" (r3) -#else - "a" (env) -#endif - ); - - /* Avoid `volatile function does return' warnings. */ - for (;;); -} diff --git a/sysdeps/s390/s390-32/__longjmp.c b/sysdeps/s390/s390-32/__longjmp.c new file mode 100644 index 0000000..5d46e21 --- /dev/null +++ b/sysdeps/s390/s390-32/__longjmp.c @@ -0,0 +1,68 @@ +/* Copyright (C) 2000-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + + 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 + . */ + +#include +#include +#include +#include +#include +#include + +/* Jump to the position specified by ENV, causing the + setjmp call there to return VAL, or 1 if VAL is 0. */ +void +__longjmp (__jmp_buf env, int val) +{ +#ifdef PTR_DEMANGLE + uintptr_t guard = THREAD_GET_POINTER_GUARD (); +# ifdef CHECK_SP + CHECK_SP (env, guard); +# endif +#elif defined CHECK_SP + CHECK_SP (env, 0); +#endif + register int r2 __asm ("%r2") = val == 0 ? 1 : val; +#ifdef PTR_DEMANGLE + register uintptr_t r3 __asm ("%r3") = guard; + register void *r1 __asm ("%r1") = (void *) env; +#endif + /* Restore registers and jump back. */ + asm volatile ("ld %%f6,48(%1)\n\t" + "ld %%f4,40(%1)\n\t" +#ifdef PTR_DEMANGLE + "lm %%r6,%%r13,0(%1)\n\t" + "lm %%r4,%%r5,32(%1)\n\t" + "xr %%r4,%2\n\t" + "xr %%r5,%2\n\t" + "lr %%r15,%%r5\n\t" + "br %%r4" +#else + "lm %%r6,%%r15,0(%1)\n\t" + "br %%r14" +#endif + : : "r" (r2), +#ifdef PTR_DEMANGLE + "r" (r1), "r" (r3) +#else + "a" (env) +#endif + ); + + /* Avoid `volatile function does return' warnings. */ + for (;;); +} diff --git a/sysdeps/s390/s390-32/setjmp-common.S b/sysdeps/s390/s390-32/setjmp-common.S deleted file mode 100644 index d7bb720..0000000 --- a/sysdeps/s390/s390-32/setjmp-common.S +++ /dev/null @@ -1,84 +0,0 @@ -/* setjmp for s390, ELF version. - Copyright (C) 2000-2014 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - 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 - . */ - -#include -#define _ASM -#define _SETJMP_H -#include - - /* 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 */ -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 */ -END (_setjmp) -libc_hidden_def (_setjmp) - -ENTRY(__setjmp) - lhi %r3,0 /* second argument of zero */ - j 0f /* branch relativ to __sigsetjmp */ -END (__setjmp) - -ENTRY(__sigsetjmp) -0: -#ifdef PTR_MANGLE - stm %r6,%r13,0(%r2) /* store registers in jmp_buf */ - lr %r4,%r14 - lr %r5,%r15 - PTR_MANGLE (%r4, %r1) - PTR_MANGLE2 (%r5, %r1) - 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) -#if defined NOT_IN_libc && defined IS_IN_rtld - /* In ld.so we never save the signal mask. */ - lhi %r2,0 - br %r14 -#elif defined PIC - /* We cannot use the PLT, because it requires that %r12 be set, but - 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 */ - l %r1,__sigjmp_save@GOT12(0,%r1) - br %r1 -1: .long _GLOBAL_OFFSET_TABLE_ - 0b -#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 -#endif -END (__sigsetjmp) diff --git a/sysdeps/s390/s390-32/setjmp.S b/sysdeps/s390/s390-32/setjmp.S new file mode 100644 index 0000000..e940d71 --- /dev/null +++ b/sysdeps/s390/s390-32/setjmp.S @@ -0,0 +1,111 @@ +/* setjmp for s390, ELF version. + Copyright (C) 2000-2014 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + 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 + . */ + +#include +#define _ASM +#define _SETJMP_H +#include +#include + +#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 .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 .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */ +END (_setjmp) +libc_hidden_def (_setjmp) + +ENTRY(__setjmp) + lhi %r3,0 /* second argument of zero */ + j .Linternal_sigsetjmp /* branch relativ to __sigsetjmp */ +END (__setjmp) + +ENTRY(__sigsetjmp) +.Linternal_sigsetjmp: +#ifdef PTR_MANGLE + stm %r6,%r13,0(%r2) /* store registers in jmp_buf */ + lr %r4,%r14 + lr %r5,%r15 + PTR_MANGLE (%r4, %r1) + PTR_MANGLE2 (%r5, %r1) + stm %r4,%r5,32(%r2) +#else + stm %r6,%r15,0(%r2) /* store registers in jmp_buf */ +#endif + std %f4,40(%r2) + std %f6,48(%r2) +#if defined NOT_IN_libc && defined IS_IN_rtld + /* In ld.so we never save the signal mask. */ + lhi %r2,0 + br %r14 +#elif defined PIC + /* We cannot use the PLT, because it requires that %r12 be set, but + we can't save and restore our caller's value. Instead, we do an + indirect jump through the GOT. */ + basr %r1,0 +.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 +.L1: .long _GLOBAL_OFFSET_TABLE_ - .L0 +#else + basr %r1,0 +.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 */ diff --git a/sysdeps/s390/s390-64/__longjmp-common.c b/sysdeps/s390/s390-64/__longjmp-common.c deleted file mode 100644 index 46cabb6..0000000 --- a/sysdeps/s390/s390-64/__longjmp-common.c +++ /dev/null @@ -1,74 +0,0 @@ -/* Copyright (C) 2001-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - - 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 - . */ - -#include -#include -#include -#include -#include -#include - -/* Jump to the position specified by ENV, causing the - setjmp call there to return VAL, or 1 if VAL is 0. */ -attribute_hidden void -__longjmp (__jmp_buf env, int val) -{ -#ifdef PTR_DEMANGLE - uintptr_t guard = THREAD_GET_POINTER_GUARD (); -# ifdef CHECK_SP - CHECK_SP (env, guard); -# endif -#elif defined CHECK_SP - CHECK_SP (env, 0); -#endif - register long int r2 __asm ("%r2") = val == 0 ? 1 : val; -#ifdef PTR_DEMANGLE - register uintptr_t r3 __asm ("%r3") = guard; - register void *r1 __asm ("%r1") = (void *) env; -#endif - /* Restore registers and jump back. */ - asm volatile ("ld %%f8,80(%1)\n\t" - "ld %%f9,88(%1)\n\t" - "ld %%f10,96(%1)\n\t" - "ld %%f11,104(%1)\n\t" - "ld %%f12,112(%1)\n\t" - "ld %%f13,120(%1)\n\t" - "ld %%f14,128(%1)\n\t" - "ld %%f15,136(%1)\n\t" -#ifdef PTR_DEMANGLE - "lmg %%r6,%%r13,0(%1)\n\t" - "lmg %%r4,%%r5,64(%1)\n\t" - "xgr %%r4,%2\n\t" - "xgr %%r5,%2\n\t" - "lgr %%r15,%%r5\n\t" - "br %%r4" -#else - "lmg %%r6,%%r15,0(%1)\n\t" - "br %%r14" -#endif - : : "r" (r2), -#ifdef PTR_DEMANGLE - "r" (r1), "r" (r3) -#else - "a" (env) -#endif - ); - - /* Avoid `volatile function does return' warnings. */ - for (;;); -} diff --git a/sysdeps/s390/s390-64/__longjmp.c b/sysdeps/s390/s390-64/__longjmp.c new file mode 100644 index 0000000..168ebf5 --- /dev/null +++ b/sysdeps/s390/s390-64/__longjmp.c @@ -0,0 +1,74 @@ +/* Copyright (C) 2001-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + + 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 + . */ + +#include +#include +#include +#include +#include +#include + +/* Jump to the position specified by ENV, causing the + setjmp call there to return VAL, or 1 if VAL is 0. */ +void +__longjmp (__jmp_buf env, int val) +{ +#ifdef PTR_DEMANGLE + uintptr_t guard = THREAD_GET_POINTER_GUARD (); +# ifdef CHECK_SP + CHECK_SP (env, guard); +# endif +#elif defined CHECK_SP + CHECK_SP (env, 0); +#endif + register long int r2 __asm ("%r2") = val == 0 ? 1 : val; +#ifdef PTR_DEMANGLE + register uintptr_t r3 __asm ("%r3") = guard; + register void *r1 __asm ("%r1") = (void *) env; +#endif + /* Restore registers and jump back. */ + asm volatile ("ld %%f8,80(%1)\n\t" + "ld %%f9,88(%1)\n\t" + "ld %%f10,96(%1)\n\t" + "ld %%f11,104(%1)\n\t" + "ld %%f12,112(%1)\n\t" + "ld %%f13,120(%1)\n\t" + "ld %%f14,128(%1)\n\t" + "ld %%f15,136(%1)\n\t" +#ifdef PTR_DEMANGLE + "lmg %%r6,%%r13,0(%1)\n\t" + "lmg %%r4,%%r5,64(%1)\n\t" + "xgr %%r4,%2\n\t" + "xgr %%r5,%2\n\t" + "lgr %%r15,%%r5\n\t" + "br %%r4" +#else + "lmg %%r6,%%r15,0(%1)\n\t" + "br %%r14" +#endif + : : "r" (r2), +#ifdef PTR_DEMANGLE + "r" (r1), "r" (r3) +#else + "a" (env) +#endif + ); + + /* Avoid `volatile function does return' warnings. */ + for (;;); +} diff --git a/sysdeps/s390/s390-64/setjmp-common.S b/sysdeps/s390/s390-64/setjmp-common.S deleted file mode 100644 index 9cdcae4..0000000 --- a/sysdeps/s390/s390-64/setjmp-common.S +++ /dev/null @@ -1,79 +0,0 @@ -/* setjmp for 64 bit S/390, ELF version. - Copyright (C) 2001-2014 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - 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 - . */ - -#include -#define _ASM -#define _SETJMP_H -#include - - /* 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. */ -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. */ -END (_setjmp) -libc_hidden_def (_setjmp) - -ENTRY(__setjmp) - slgr %r3,%r3 /* Second argument of zero. */ - j 0f /* Branch relativ to __sigsetjmp. */ -END (__setjmp) - -ENTRY(__sigsetjmp) -0: -#ifdef PTR_MANGLE - stmg %r6,%r13,0(%r2) /* Store registers in jmp_buf. */ - lgr %r4,%r14 - lgr %r5,%r15 - PTR_MANGLE (%r4, %r1) - PTR_MANGLE2 (%r5, %r1) - 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) - std %f10,96(%r2) - std %f11,104(%r2) - std %f12,112(%r2) - std %f13,120(%r2) - std %f14,128(%r2) - std %f15,136(%r2) -#if defined NOT_IN_libc && defined IS_IN_rtld - /* In ld.so we never save the signal mask. */ - lghi %r2,0 - br %r14 -#elif defined PIC - jg __sigjmp_save@PLT /* Branch to PLT of __sigsetjmp. */ -#else - jg __sigjmp_save -#endif -END (__sigsetjmp) diff --git a/sysdeps/s390/s390-64/setjmp.S b/sysdeps/s390/s390-64/setjmp.S new file mode 100644 index 0000000..7cbb9e8 --- /dev/null +++ b/sysdeps/s390/s390-64/setjmp.S @@ -0,0 +1,106 @@ +/* setjmp for 64 bit S/390, ELF version. + Copyright (C) 2001-2014 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + 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 + . */ + +#include +#define _ASM +#define _SETJMP_H +#include +#include + +#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 .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 .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp. */ +END (_setjmp) +libc_hidden_def (_setjmp) + +ENTRY(__setjmp) + slgr %r3,%r3 /* Second argument of zero. */ + j .Linternal_sigsetjmp /* Branch relativ to __sigsetjmp. */ +END (__setjmp) + +ENTRY(__sigsetjmp) +.Linternal_sigsetjmp: +#ifdef PTR_MANGLE + stmg %r6,%r13,0(%r2) /* Store registers in jmp_buf. */ + lgr %r4,%r14 + lgr %r5,%r15 + PTR_MANGLE (%r4, %r1) + PTR_MANGLE2 (%r5, %r1) + stmg %r4,%r5,64(%r2) +#else + stmg %r6,%r15,0(%r2) /* Store registers in jmp_buf. */ +#endif + std %f8,80(%r2) + std %f9,88(%r2) + std %f10,96(%r2) + std %f11,104(%r2) + std %f12,112(%r2) + std %f13,120(%r2) + std %f14,128(%r2) + std %f15,136(%r2) +#if defined NOT_IN_libc && defined IS_IN_rtld + /* In ld.so we never save the signal mask. */ + lghi %r2,0 + br %r14 +#elif defined PIC + jg __sigjmp_save@PLT /* Branch to PLT of __sigsetjmp. */ +#else + 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 */ diff --git a/sysdeps/s390/setjmp.S b/sysdeps/s390/setjmp.S deleted file mode 100644 index 2ec621a..0000000 --- a/sysdeps/s390/setjmp.S +++ /dev/null @@ -1,64 +0,0 @@ -/* 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 - . */ - -#include -#include - -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) */ diff --git a/sysdeps/s390/sigjmp.c b/sysdeps/s390/sigjmp.c deleted file mode 100644 index f7b5a6f..0000000 --- a/sysdeps/s390/sigjmp.c +++ /dev/null @@ -1,34 +0,0 @@ -/* 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 - . */ - -#include -#include -#include - -/* 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; -} diff --git a/sysdeps/s390/v1-longjmp.c b/sysdeps/s390/v1-longjmp.c deleted file mode 100644 index 82252c9..0000000 --- a/sysdeps/s390/v1-longjmp.c +++ /dev/null @@ -1,57 +0,0 @@ -/* 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 - . - - Versioned copy of sysdeps/generic/longjmp.c modified for extended - jmpbuf. */ - -#include -#include -#include -#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 */ diff --git a/sysdeps/s390/v1-setjmp.h b/sysdeps/s390/v1-setjmp.h deleted file mode 100644 index a4a6b76..0000000 --- a/sysdeps/s390/v1-setjmp.h +++ /dev/null @@ -1,111 +0,0 @@ -/* 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 - . */ - -/* - * ISO C99 Standard: 7.13 Nonlocal jumps - */ - -#ifndef _V1_SETJMP_H -#define _V1_SETJMP_H 1 - -#include - -__BEGIN_DECLS - -#define __V1_JMPBUF -#define _SETJMP_H -#include /* Get `__jmp_buf'. */ - -#ifndef _ASM - -#include /* 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 */ diff --git a/sysdeps/s390/v1-sigjmp.c b/sysdeps/s390/v1-sigjmp.c deleted file mode 100644 index b624d16..0000000 --- a/sysdeps/s390/v1-sigjmp.c +++ /dev/null @@ -1,44 +0,0 @@ -/* 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 - . - - Copied from setjmp/sigjmp.c for extending jmp_buf. */ - -#include -#include - -#if !defined NOT_IN_libc && defined SHARED -# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19) -# include -# include -# include - -/* 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 */ -- cgit v1.1