2014-07-30 Stefan Liebler * 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. * nptl/sysdeps/unix/sysv/linux/s390/pt-longjmp.c: Include nptl/sysdeps/pthread/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/nptl/libc.abilist: Regenerated. Index: glibc-2.19/nptl/sysdeps/unix/sysv/linux/s390/pt-longjmp.c =================================================================== --- glibc-2.19.orig/nptl/sysdeps/unix/sysv/linux/s390/pt-longjmp.c +++ glibc-2.19/nptl/sysdeps/unix/sysv/linux/s390/pt-longjmp.c @@ -15,49 +15,30 @@ License along with the GNU C Library; if not, see . - 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 -#include -#include -#include "pthreadP.h" #include -#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 + +#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)) */ Index: glibc-2.19/sysdeps/s390/Makefile =================================================================== --- glibc-2.19.orig/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 Index: glibc-2.19/sysdeps/s390/Versions =================================================================== --- glibc-2.19.orig/sysdeps/s390/Versions +++ glibc-2.19/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 { Index: glibc-2.19/sysdeps/s390/__longjmp.c =================================================================== --- glibc-2.19.orig/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) */ Index: glibc-2.19/sysdeps/s390/bits/setjmp.h =================================================================== --- glibc-2.19.orig/sysdeps/s390/bits/setjmp.h +++ glibc-2.19/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 Index: glibc-2.19/sysdeps/s390/longjmp.c =================================================================== --- glibc-2.19.orig/sysdeps/s390/longjmp.c +++ glibc-2.19/sysdeps/s390/longjmp.c @@ -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) */ Index: glibc-2.19/sysdeps/s390/rtld-__longjmp.c =================================================================== --- glibc-2.19.orig/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" Index: glibc-2.19/sysdeps/s390/rtld-global-offsets.sym =================================================================== --- glibc-2.19.orig/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) Index: glibc-2.19/sysdeps/s390/rtld-setjmp.S =================================================================== --- glibc-2.19.orig/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" Index: glibc-2.19/sysdeps/s390/s390-32/__longjmp-common.c =================================================================== --- glibc-2.19.orig/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 (;;); -} Index: glibc-2.19/sysdeps/s390/s390-32/__longjmp.c =================================================================== --- /dev/null +++ glibc-2.19/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 (;;); +} Index: glibc-2.19/sysdeps/s390/s390-32/setjmp-common.S =================================================================== --- glibc-2.19.orig/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) Index: glibc-2.19/sysdeps/s390/s390-32/setjmp.S =================================================================== --- /dev/null +++ glibc-2.19/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 */ Index: glibc-2.19/sysdeps/s390/s390-64/__longjmp-common.c =================================================================== --- glibc-2.19.orig/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 (;;); -} Index: glibc-2.19/sysdeps/s390/s390-64/__longjmp.c =================================================================== --- /dev/null +++ glibc-2.19/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 (;;); +} Index: glibc-2.19/sysdeps/s390/s390-64/setjmp-common.S =================================================================== --- glibc-2.19.orig/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) Index: glibc-2.19/sysdeps/s390/s390-64/setjmp.S =================================================================== --- /dev/null +++ glibc-2.19/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 */ Index: glibc-2.19/sysdeps/s390/setjmp.S =================================================================== --- glibc-2.19.orig/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) */ Index: glibc-2.19/sysdeps/s390/sigjmp.c =================================================================== --- glibc-2.19.orig/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; -} Index: glibc-2.19/sysdeps/s390/v1-longjmp.c =================================================================== --- glibc-2.19.orig/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 */ Index: glibc-2.19/sysdeps/s390/v1-setjmp.h =================================================================== --- glibc-2.19.orig/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 */ Index: glibc-2.19/sysdeps/s390/v1-sigjmp.c =================================================================== --- glibc-2.19.orig/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 */ Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/Makefile =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/Makefile +++ glibc-2.19/sysdeps/unix/sysv/linux/s390/Makefile @@ -16,9 +16,3 @@ endif ifeq ($(subdir),elf) sysdep_routines += dl-vdso endif - -ifeq ($(subdir),debug) -ifeq (yes,$(build-shared)) -sysdep_routines += v1-longjmp_chk -endif -endif Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/getcontext.S =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/getcontext.S +++ /dev/null @@ -1,38 +0,0 @@ -/* 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 - . */ - -#include -#include - -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 Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/longjmp_chk.c =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/longjmp_chk.c +++ glibc-2.19/sysdeps/unix/sysv/linux/s390/longjmp_chk.c @@ -15,30 +15,34 @@ License along with the GNU C Library; if not, see . - 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 -#include -/* 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 + +// 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 -# include +/* 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 - -versioned_symbol (libc, __v2__libc_siglongjmp_chk, __longjmp_chk, GLIBC_2_19); +# include #endif Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/rtld-getcontext.S =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/rtld-getcontext.S +++ /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 "getcontext-common.S" Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c +++ glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c @@ -26,8 +26,8 @@ #include #include #include -#include -#include + +#define __longjmp ____longjmp_chk #define CHECK_SP(env, guard) \ do \ @@ -51,22 +51,4 @@ } \ } 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" Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-32/getcontext-common.S =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/s390-32/getcontext-common.S +++ /dev/null @@ -1,112 +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 "rtld-global-offsets.h" -#include "ucontext_i.h" - -/* __getcontext (const ucontext_t *ucp) - - Saves the machine context in UCP such that when it is activated, - it appears as if __getcontext() returned again. - - This implementation is intended to be used for *synchronous* context - switches only. Therefore, it does not have to save anything - other than the PRESERVED state. */ - -ENTRY(__getcontext) - lr %r1,%r2 - - /* rt_sigprocmask (SIG_BLOCK, NULL, &sc->sc_mask, sigsetsize). */ - la %r2,SIG_BLOCK - slr %r3,%r3 - la %r4,SC_MASK(%r1) - lhi %r5,_NSIG8 - svc SYS_ify(rt_sigprocmask) - - /* Store fpu context. */ - stfpc SC_FPC(%r1) - std %f0,SC_FPRS(%r1) - std %f1,SC_FPRS+8(%r1) - std %f2,SC_FPRS+16(%r1) - std %f3,SC_FPRS+24(%r1) - std %f4,SC_FPRS+32(%r1) - std %f5,SC_FPRS+40(%r1) - std %f6,SC_FPRS+48(%r1) - std %f7,SC_FPRS+56(%r1) - std %f8,SC_FPRS+64(%r1) - std %f9,SC_FPRS+72(%r1) - std %f10,SC_FPRS+80(%r1) - std %f11,SC_FPRS+88(%r1) - std %f12,SC_FPRS+96(%r1) - std %f13,SC_FPRS+104(%r1) - 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 - - /* Store access registers. */ - stam %a0,%a15,SC_ACRS(%r1) - - /* Store general purpose registers. */ - stm %r0,%r15,SC_GPRS(%r1) - - /* Return. */ - br %r14 -END(__getcontext) - -weak_alias (__getcontext, getcontext) Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S =================================================================== --- /dev/null +++ glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S @@ -0,0 +1,86 @@ +/* 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 "ucontext_i.h" + +#include + +/* __getcontext (const ucontext_t *ucp) + + Saves the machine context in UCP such that when it is activated, + it appears as if __getcontext() returned again. + + This implementation is intended to be used for *synchronous* context + switches only. Therefore, it does not have to save anything + other than the PRESERVED state. */ + +ENTRY(__getcontext) + lr %r1,%r2 + + /* rt_sigprocmask (SIG_BLOCK, NULL, &sc->sc_mask, sigsetsize). */ + la %r2,SIG_BLOCK + slr %r3,%r3 + la %r4,SC_MASK(%r1) + lhi %r5,_NSIG8 + svc SYS_ify(rt_sigprocmask) + + /* Store fpu context. */ + stfpc SC_FPC(%r1) + std %f0,SC_FPRS(%r1) + std %f1,SC_FPRS+8(%r1) + std %f2,SC_FPRS+16(%r1) + std %f3,SC_FPRS+24(%r1) + std %f4,SC_FPRS+32(%r1) + std %f5,SC_FPRS+40(%r1) + std %f6,SC_FPRS+48(%r1) + std %f7,SC_FPRS+56(%r1) + std %f8,SC_FPRS+64(%r1) + std %f9,SC_FPRS+72(%r1) + std %f10,SC_FPRS+80(%r1) + std %f11,SC_FPRS+88(%r1) + std %f12,SC_FPRS+96(%r1) + std %f13,SC_FPRS+104(%r1) + std %f14,SC_FPRS+112(%r1) + std %f15,SC_FPRS+120(%r1) + + /* Set __getcontext 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) + + /* Return. */ + br %r14 +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 Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libc.abilist =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libc.abilist +++ glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libc.abilist @@ -1777,7 +1777,6 @@ GLIBC_2.18 GLIBC_2.19 GLIBC_2.19 A __longjmp_chk F - __setjmp F __sigsetjmp F _longjmp F _setjmp F Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S +++ glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S @@ -62,16 +62,8 @@ ENTRY(__setcontext) /* 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 Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S +++ glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S @@ -65,31 +65,19 @@ ENTRY(__swapcontext) 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) Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.sym =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.sym +++ /dev/null @@ -1,26 +0,0 @@ -#include -#include -#include - --- - -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) Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c +++ glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c @@ -26,8 +26,8 @@ #include #include #include -#include -#include + +#define __longjmp ____longjmp_chk #define CHECK_SP(env, guard) \ do \ @@ -51,23 +51,4 @@ } \ } 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" Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-64/getcontext-common.S =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/s390-64/getcontext-common.S +++ /dev/null @@ -1,79 +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 "ucontext_i.h" - -/* __getcontext (const ucontext_t *ucp) - - Saves the machine context in UCP such that when it is activated, - it appears as if __getcontext() returned again. - - This implementation is intended to be used for *synchronous* context - switches only. Therefore, it does not have to save anything - other than the PRESERVED state. */ - -ENTRY(__getcontext) - lgr %r1,%r2 - - /* rt_sigprocmask (SIG_BLOCK, NULL, &sc->sc_mask, sigsetsize). */ - la %r2,SIG_BLOCK - slgr %r3,%r3 - la %r4,SC_MASK(%r1) - lghi %r5,_NSIG8 - svc SYS_ify(rt_sigprocmask) - - /* Store fpu context. */ - stfpc SC_FPC(%r1) - std %f0,SC_FPRS(%r1) - std %f1,SC_FPRS+8(%r1) - std %f2,SC_FPRS+16(%r1) - std %f3,SC_FPRS+24(%r1) - std %f4,SC_FPRS+32(%r1) - std %f5,SC_FPRS+40(%r1) - std %f6,SC_FPRS+48(%r1) - std %f7,SC_FPRS+56(%r1) - std %f8,SC_FPRS+64(%r1) - std %f9,SC_FPRS+72(%r1) - std %f10,SC_FPRS+80(%r1) - std %f11,SC_FPRS+88(%r1) - std %f12,SC_FPRS+96(%r1) - std %f13,SC_FPRS+104(%r1) - std %f14,SC_FPRS+112(%r1) - std %f15,SC_FPRS+120(%r1) - - /* 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) - - /* Store general purpose registers. */ - stmg %r0,%r15,SC_GPRS(%r1) - - /* Return. */ - br %r14 -END(__getcontext) - -weak_alias (__getcontext, getcontext) Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S =================================================================== --- /dev/null +++ glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S @@ -0,0 +1,86 @@ +/* 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 "ucontext_i.h" + +#include + +/* __getcontext (const ucontext_t *ucp) + + Saves the machine context in UCP such that when it is activated, + it appears as if __getcontext() returned again. + + This implementation is intended to be used for *synchronous* context + switches only. Therefore, it does not have to save anything + other than the PRESERVED state. */ + +ENTRY(__getcontext) + lgr %r1,%r2 + + /* rt_sigprocmask (SIG_BLOCK, NULL, &sc->sc_mask, sigsetsize). */ + la %r2,SIG_BLOCK + slgr %r3,%r3 + la %r4,SC_MASK(%r1) + lghi %r5,_NSIG8 + svc SYS_ify(rt_sigprocmask) + + /* Store fpu context. */ + stfpc SC_FPC(%r1) + std %f0,SC_FPRS(%r1) + std %f1,SC_FPRS+8(%r1) + std %f2,SC_FPRS+16(%r1) + std %f3,SC_FPRS+24(%r1) + std %f4,SC_FPRS+32(%r1) + std %f5,SC_FPRS+40(%r1) + std %f6,SC_FPRS+48(%r1) + std %f7,SC_FPRS+56(%r1) + std %f8,SC_FPRS+64(%r1) + std %f9,SC_FPRS+72(%r1) + std %f10,SC_FPRS+80(%r1) + std %f11,SC_FPRS+88(%r1) + std %f12,SC_FPRS+96(%r1) + std %f13,SC_FPRS+104(%r1) + std %f14,SC_FPRS+112(%r1) + std %f15,SC_FPRS+120(%r1) + + /* Set __getcontext return value to 0. */ + slgr %r2,%r2 + + /* Store access registers. */ + stam %a0,%a15,SC_ACRS(%r1) + + /* Store general purpose registers. */ + stmg %r0,%r15,SC_GPRS(%r1) + + /* Return. */ + br %r14 +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 Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libc.abilist =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libc.abilist +++ glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libc.abilist @@ -98,7 +98,6 @@ GLIBC_2.18 GLIBC_2.19 GLIBC_2.19 A __longjmp_chk F - __setjmp F __sigsetjmp F _longjmp F _setjmp F Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S +++ glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S @@ -65,25 +65,21 @@ ENTRY(__swapcontext) 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. */ Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/s390-64/ucontext_i.sym =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/s390-64/ucontext_i.sym +++ /dev/null @@ -1,25 +0,0 @@ -#include -#include -#include - --- - -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) Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/sys/ucontext.h =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/sys/ucontext.h +++ glibc-2.19/sysdeps/unix/sysv/linux/s390/sys/ucontext.h @@ -64,15 +64,6 @@ typedef struct 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 { @@ -90,10 +81,6 @@ struct ucontext stack_t uc_stack; mcontext_t uc_mcontext; __sigset_t uc_sigmask; -#ifndef __s390x__ - unsigned long uc_high_gprs[16]; -#endif - char __reserved[512]; }; Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/ucontext_i.sym =================================================================== --- /dev/null +++ glibc-2.19/sysdeps/unix/sysv/linux/s390/ucontext_i.sym @@ -0,0 +1,25 @@ +#include +#include +#include + +-- + +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) Index: glibc-2.19/sysdeps/unix/sysv/linux/s390/v1-longjmp_chk.c =================================================================== --- glibc-2.19.orig/sysdeps/unix/sysv/linux/s390/v1-longjmp_chk.c +++ /dev/null @@ -1,35 +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 - . - - 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 - -#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 - -compat_symbol (libc, __v1__libc_siglongjmp_chk, __longjmp_chk, GLIBC_2_11); - -# endif -#endif