1/* setjmp for PowerPC.
2   Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
3   This file is part of the GNU C Library.
4
5   The GNU C Library is free software; you can redistribute it and/or
6   modify it under the terms of the GNU Lesser General Public
7   License as published by the Free Software Foundation; either
8   version 2.1 of the License, or (at your option) any later version.
9
10   The GNU C Library is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   Lesser General Public License for more details.
14
15   You should have received a copy of the GNU Lesser General Public
16   License along with the GNU C Library; if not, write to the Free
17   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18   02111-1307 USA.  */
19
20#include <ppc_asm.tmpl>
21
22# define JB_GPR1   0  /* Also known as the stack pointer */
23# define JB_GPR2   1
24# define JB_LR     2  /* The address we will return to */
25# define JB_GPRS   3  /* GPRs 14 through 31 are saved, 18 in total */
26# define JB_CR     21 /* Condition code registers. */
27# define JB_FPRS   22 /* FPRs 14 through 31 are saved, 18*2 words total */
28# define JB_SIZE   (58*4)
29
30#define FP(x...) x
31
32.globl      setctxsp;
33setctxsp:
34	mr  r1, r3
35	blr
36
37.globl      ppc_setjmp;
38ppc_setjmp:
39	stw  r1,(JB_GPR1*4)(3)
40	mflr r0
41	stw  r2,(JB_GPR2*4)(3)
42	stw  r14,((JB_GPRS+0)*4)(3)
43FP(	stfd 14,((JB_FPRS+0*2)*4)(3))
44	stw  r0,(JB_LR*4)(3)
45	stw  r15,((JB_GPRS+1)*4)(3)
46FP(	stfd 15,((JB_FPRS+1*2)*4)(3))
47	mfcr r0
48	stw  r16,((JB_GPRS+2)*4)(3)
49FP(	stfd 16,((JB_FPRS+2*2)*4)(3))
50	stw  r0,(JB_CR*4)(3)
51	stw  r17,((JB_GPRS+3)*4)(3)
52FP(	stfd 17,((JB_FPRS+3*2)*4)(3))
53	stw  r18,((JB_GPRS+4)*4)(3)
54FP(	stfd 18,((JB_FPRS+4*2)*4)(3))
55	stw  r19,((JB_GPRS+5)*4)(3)
56FP(	stfd 19,((JB_FPRS+5*2)*4)(3))
57	stw  r20,((JB_GPRS+6)*4)(3)
58FP(	stfd 20,((JB_FPRS+6*2)*4)(3))
59	stw  r21,((JB_GPRS+7)*4)(3)
60FP(	stfd 21,((JB_FPRS+7*2)*4)(3))
61	stw  r22,((JB_GPRS+8)*4)(3)
62FP(	stfd 22,((JB_FPRS+8*2)*4)(3))
63	stw  r23,((JB_GPRS+9)*4)(3)
64FP(	stfd 23,((JB_FPRS+9*2)*4)(3))
65	stw  r24,((JB_GPRS+10)*4)(3)
66FP(	stfd 24,((JB_FPRS+10*2)*4)(3))
67	stw  r25,((JB_GPRS+11)*4)(3)
68FP(	stfd 25,((JB_FPRS+11*2)*4)(3))
69	stw  r26,((JB_GPRS+12)*4)(3)
70FP(	stfd 26,((JB_FPRS+12*2)*4)(3))
71	stw  r27,((JB_GPRS+13)*4)(3)
72FP(	stfd 27,((JB_FPRS+13*2)*4)(3))
73	stw  r28,((JB_GPRS+14)*4)(3)
74FP(	stfd 28,((JB_FPRS+14*2)*4)(3))
75	stw  r29,((JB_GPRS+15)*4)(3)
76FP(	stfd 29,((JB_FPRS+15*2)*4)(3))
77	stw  r30,((JB_GPRS+16)*4)(3)
78FP(	stfd 30,((JB_FPRS+16*2)*4)(3))
79	stw  r31,((JB_GPRS+17)*4)(3)
80FP(	stfd 31,((JB_FPRS+17*2)*4)(3))
81
82	li 3, 0
83	blr
84