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* sysdeps/mips/bits/setjmp.h: n32 has only 6 call-saved fpregs. 

* sysdeps/mips/mips64/setjmp_aux.c (__sigsetjmp_aux): Adjust.
* sysdeps/mips/mips64/__longjmp.c (__longjmp): Likewise.
This commit is contained in:
Alexandre Oliva 2003-03-20 22:29:44 +00:00
parent fe638fda3c
commit a5b668cc8a
3 changed files with 22 additions and 4 deletions
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6
sysdeps/mips/bits/setjmp.h
View File

@ -60,10 +60,10 @@ typedef struct
int __fpc_csr;
/* Callee-saved floating point registers. */
#if _MIPS_SIM == _MIPS_SIM_ABI32
double __fpregs[6];
#else
#if defined _ABI64 && _MIPS_SIM == _ABI64
double __fpregs[8];
#else
double __fpregs[6];
#endif
} __jmp_buf[1];

11
sysdeps/mips/mips64/__longjmp.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1992, 1995, 1997, 2000 Free Software Foundation, Inc.
/* Copyright (C) 1992, 1995, 1997, 2000, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Brendan Kehoe (brendan@zen.org).
@ -38,6 +38,7 @@ __longjmp (env, val_arg)
register int val asm ("a1");
/* Pull back the floating point callee-saved registers. */
#if defined _ABI64 && _MIPS_SIM == _ABI64
asm volatile ("l.d $f24, %0" : : "m" (env[0].__fpregs[0]));
asm volatile ("l.d $f25, %0" : : "m" (env[0].__fpregs[1]));
asm volatile ("l.d $f26, %0" : : "m" (env[0].__fpregs[2]));
@ -46,6 +47,14 @@ __longjmp (env, val_arg)
asm volatile ("l.d $f29, %0" : : "m" (env[0].__fpregs[5]));
asm volatile ("l.d $f30, %0" : : "m" (env[0].__fpregs[6]));
asm volatile ("l.d $f31, %0" : : "m" (env[0].__fpregs[7]));
#else
asm volatile ("l.d $f20, %0" : : "m" (env[0].__fpregs[0]));
asm volatile ("l.d $f22, %0" : : "m" (env[0].__fpregs[1]));
asm volatile ("l.d $f24, %0" : : "m" (env[0].__fpregs[2]));
asm volatile ("l.d $f26, %0" : : "m" (env[0].__fpregs[3]));
asm volatile ("l.d $f28, %0" : : "m" (env[0].__fpregs[4]));
asm volatile ("l.d $f30, %0" : : "m" (env[0].__fpregs[5]));
#endif
/* Get and reconstruct the floating point csr. */
asm volatile ("lw $2, %0" : : "m" (env[0].__fpc_csr));

9
sysdeps/mips/mips64/setjmp_aux.c
View File

@ -29,6 +29,7 @@ __sigsetjmp_aux (jmp_buf env, int savemask, long long sp, long long fp,
long long gp)
{
/* Store the floating point callee-saved registers... */
#if defined _ABI64 && _MIPS_SIM == _ABI64
asm volatile ("s.d $f24, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[0]));
asm volatile ("s.d $f25, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[1]));
asm volatile ("s.d $f26, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[2]));
@ -37,6 +38,14 @@ __sigsetjmp_aux (jmp_buf env, int savemask, long long sp, long long fp,
asm volatile ("s.d $f29, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[5]));
asm volatile ("s.d $f30, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[6]));
asm volatile ("s.d $f31, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[7]));
#else
asm volatile ("s.d $f20, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[0]));
asm volatile ("s.d $f22, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[1]));
asm volatile ("s.d $f24, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[2]));
asm volatile ("s.d $f26, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[3]));
asm volatile ("s.d $f28, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[4]));
asm volatile ("s.d $f30, %0" : : "m" (env[0].__jmpbuf[0].__fpregs[5]));
#endif
/* .. and the PC; */
asm volatile ("sd $31, %0" : : "m" (env[0].__jmpbuf[0].__pc));