blob: 421abfd6eb4d8f87bbc3e1952c5969b9b55c0b26 [file] [log] [blame]
wdenk85ec0bc2003-03-31 16:34:49 +00001/* 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
wdenk3e386912003-04-05 00:53:31 +000037.globl ppc_setjmp;
38ppc_setjmp:
wdenk85ec0bc2003-03-31 16:34:49 +000039 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