glibc/sysdeps/alpha/jmp_buf.h
1992-11-25 01:55:31 +00:00

47 lines
1.8 KiB
C

/* Define the machine-dependent type `jmp_buf'. Alpha version.
Copyright (C) 1992 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
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
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. */
typedef struct
{
/* Integer registers:
$0 is the return value;
$1-$8, $22-$25, $28 are call-used;
$9-$14 we save here;
$15 is the FP and we save it here;
$16-$21 are input arguments (call-used);
$26 is the return PC and we save it here;
$27 is the procedure value (i.e., the address of __setjmp);
$29 is the global pointer, which the caller will reconstruct
from the return address restored in $26;
$30 is the stack pointer and we save it here;
$31 is always zero. */
long int __9, __10, __11, __12, __13, __14;
long int *__pc, *__fp, *__sp;
#if 1 /* XXX need predefine for TARGET_FPREGS */
/* Floating-point registers:
$f0 is the floating return value;
$f1, $f10-$f15, $f22-$f30 are call-used;
$f2-$f9 we save here;
$f16-$21 are input args (call-used);
$f31 is always zero. */
double __f2, __f3, __f4, __f5, __f6, __f7, __f8, __f9;
#endif /* Have FP regs. */
} __jmp_buf[1];