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S/390: Fix setjmp/longjmp FPR save/restore

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This commit is contained in:
Andreas Krebbel 2013-01-23 10:00:24 +01:00
parent 5655a0b58e
commit bc101e2652
3 changed files with 17 additions and 9 deletions
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2
sysdeps/s390/bits/setjmp.h
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@ -34,7 +34,7 @@ typedef struct __s390_jmp_buf
long int __gregs[10];
# if __WORDSIZE == 64
/* We save fpu registers 1, 3, 5 and 7. */
/* We save fpu registers f8 - f15. */
long __fpregs[8];
# else
/* We save fpu registers 4 and 6. */

12
sysdeps/s390/s390-64/__longjmp.c
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@ -42,10 +42,14 @@ __longjmp (__jmp_buf env, int val)
register void *r1 __asm ("%r1") = (void *) env;
#endif
/* Restore registers and jump back. */
asm volatile ("ld %%f7,104(%1)\n\t"
"ld %%f5,96(%1)\n\t"
"ld %%f3,88(%1)\n\t"
"ld %%f1,80(%1)\n\t"
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"

12
sysdeps/s390/s390-64/setjmp.S
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@ -55,10 +55,14 @@ ENTRY(__sigsetjmp)
#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)
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