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Implement __sigsetjmp_aux instead of __setjmp_aux; call __sigjmp_save.

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This commit is contained in:
Roland McGrath 1994-12-04 18:00:25 +00:00
parent 1f58923f3c
commit 75ab5314ea
1 changed files with 6 additions and 9 deletions
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15
sysdeps/mips/setjmp_aux.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1992 Free Software Foundation, Inc.
/* Copyright (C) 1992, 1994 Free Software Foundation, Inc.
Contributed by Brendan Kehoe (brendan@zen.org).
The GNU C Library is free software; you can redistribute it and/or
@ -16,20 +16,15 @@ License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <setjmp.h>
#ifndef __GNUC__
#error This file uses GNU C extensions; you must compile with GCC.
#endif
/* This function is only called via the assembly language routine
__setjmp, which arranges to pass in the stack pointer and the frame
pointer. We do things this way because it's difficult to reliably
access them in C. */
int
DEFUN(__setjmp_aux, (env, sp, fp), __jmp_buf env AND int sp AND int fp)
__sigsetjmp_aux (jmp_buf env, int savemask, int sp, int fp)
{
/* Store the floating point callee-saved registers... */
asm volatile ("s.d $f20, %0" : : "m" (env[0].__fpregs[0]));
@ -62,8 +57,10 @@ DEFUN(__setjmp_aux, (env, sp, fp), __jmp_buf env AND int sp AND int fp)
asm volatile ("sw $23, %0" : : "m" (env[0].__regs[7]));
/* .. and finally get and reconstruct the floating point csr. */
asm volatile ("cfc1 $2, $31");
asm volatile ("sw $2, %0" : : "m" (env[0].__fpc_csr));
asm ("cfc1 %0, $31" : "=r" (env[0].__fpc_csr));
/* Save the signal mask if requested. */
__sigjmp_save (env, savemask);
return 0;
}