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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 18:08:19 +00:00
parent e5eb42c555
commit 3adc78aced
1 changed files with 13 additions and 12 deletions
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25
sysdeps/alpha/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.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -16,13 +16,7 @@ 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 <setjmp.h>*/
#include "jmp_buf.h"
#define jmp_buf __jmp_buf
#ifndef __GNUC__
#error This file uses GNU C extensions; you must compile with GCC.
#endif
/* Global register decls must come before any function defn. */
register long int
r9 asm ("$9"), r10 asm ("$10"), r11 asm ("$11"), r12 asm ("$12"),
@ -36,9 +30,13 @@ register double
f6 asm ("$f6"), f7 asm ("$f7"), f8 asm ("$f8"), f9 asm ("$f9");
#endif
#include <setjmp.h>
/* Save the current program position in ENV and return 0. */
int
__setjmp_aux (jmp_buf env, long int *sp, long int *fp)
__sigsetjmp_aux (sigjmp_buf env, int savemask, long int *sp, long int *fp)
{
/* Save the integer registers. */
env[0].__9 = r9;
@ -63,11 +61,14 @@ __setjmp_aux (jmp_buf env, long int *sp, long int *fp)
/* Save the return address of our caller, where longjmp will jump to. */
env[0].__pc = retpc;
/* Save the FP and SP of our caller. The __setjmp entry point
simply puts these in the argument register for us to fetch. */
/* Save the FP and SP of our caller. The __sigsetjmp entry point
simply puts these in the argument registers for us to fetch. */
env[0].__fp = fp;
env[0].__sp = sp;
/* Return to the original caller of __setjmp. */
/* Save the signal mask if requested. */
__sigjmp_save (env, savemask);
/* Return to the original caller of __sigsetjmp. */
return 0;
}