diff options
Diffstat (limited to 'sysdeps/s390/s390-64')
| -rw-r--r-- | sysdeps/s390/s390-64/__longjmp.c | 33 | ||||
| -rw-r--r-- | sysdeps/s390/s390-64/elf/setjmp.S | 16 | ||||
| -rw-r--r-- | sysdeps/s390/s390-64/setjmp.S | 18 |
3 files changed, 49 insertions, 18 deletions
diff --git a/sysdeps/s390/s390-64/__longjmp.c b/sysdeps/s390/s390-64/__longjmp.c index 80abd3849a..6650bf702f 100644 --- a/sysdeps/s390/s390-64/__longjmp.c +++ b/sysdeps/s390/s390-64/__longjmp.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001 Free Software Foundation, Inc. +/* Copyright (C) 2001, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). @@ -29,18 +29,27 @@ void __longjmp (__jmp_buf env, int val) { - /* Restore registers and jump back. */ - asm volatile ("lgr %%r2,%0\n\t" /* Put val in grp 2. */ - "ld %%f7,104(%1)\n\t" - "ld %%f5,96(%1)\n\t" - "ld %%f3,88(%1)\n\t" - "ld %%f1,80(%1)\n\t" - "lmg %%r6,%%r15,0(%1)\n\t" - "br %%r14" - : : "r" (val == 0 ? 1 : val), - "a" (env) : "2" ); +#ifdef PTR_DEMANGLE + register uintptr_t r5 __asm ("%r5") = THREAD_GET_POINTER_GUARD (); +#endif + /* Restore registers and jump back. */ + asm volatile ("lgr %%r2,%0\n\t" /* Put val in grp 2. */ + "ld %%f7,104(%1)\n\t" + "ld %%f5,96(%1)\n\t" + "ld %%f3,88(%1)\n\t" + "ld %%f1,80(%1)\n\t" + "lmg %%r6,%%r15,0(%1)\n\t" +#ifdef PTR_DEMANGLE + "xgr %%r14,%2\n\t" +#endif + "br %%r14" + : : "r" (val == 0 ? 1 : val), + "a" (env) +#ifdef PTR_DEMANGLE + , "r" (r5) +#endif + : "2" ); /* Avoid `volatile function does return' warnings. */ for (;;); } - diff --git a/sysdeps/s390/s390-64/elf/setjmp.S b/sysdeps/s390/s390-64/elf/setjmp.S index fa3ac72480..44f7cf08cc 100644 --- a/sysdeps/s390/s390-64/elf/setjmp.S +++ b/sysdeps/s390/s390-64/elf/setjmp.S @@ -1,5 +1,5 @@ /* setjmp for 64 bit S/390, ELF version. - Copyright (C) 2001, 2002 Free Software Foundation, Inc. + Copyright (C) 2001, 2002, 2005 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -46,12 +46,24 @@ END (setjmp) ENTRY(__sigsetjmp) .Linternal_sigsetjmp: +#ifdef PTR_MANGLE + stmg %r6,%r13,0(%r2) /* Store registers in jmp_buf. */ + lgr %r4,%r14 + PTR_MANGLE (%r4, %r5) + stg %r4,64(%r2) + stg %r15,72(%r2) +#else stmg %r6,%r15,0(%r2) /* Store registers in jmp_buf. */ +#endif std %f1,80(%r2) std %f3,88(%r2) std %f5,96(%r2) std %f7,104(%r2) -#ifdef PIC +#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 diff --git a/sysdeps/s390/s390-64/setjmp.S b/sysdeps/s390/s390-64/setjmp.S index 7f245c2a1d..25d97b6a6a 100644 --- a/sysdeps/s390/s390-64/setjmp.S +++ b/sysdeps/s390/s390-64/setjmp.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2001 Free Software Foundation, Inc. +/* Copyright (C) 2001, 2005 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -28,16 +28,26 @@ /* R2 = pointer to jmp_buf, R3 = savemask. */ ENTRY(__sigsetjmp) +#ifdef PTR_MANGLE + stmg %r6,%r13,0(%r2) /* Store registers in jmp_buf. */ + lgr %r4,%r14 + PTR_MANGLE (%r4, %r5) + stg %r4,64(%r2) + stg %r15,72(%r2) +#else stmg %r6,%r15,0(%r2) /* Store registers in jmp_buf. */ +#endif std %f1,80(%r2) std %f3,88(%r2) std %f5,96(%r2) std %f7,104(%r2) -#ifdef PIC +#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 /* Tail-call __sigjmp_save. */ #else jg __sigjmp_save /* Tail-call __sigjmp_save. */ #endif END (__sigsetjmp) - - |