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85ec0bcc WD |
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; | |
33 | setctxsp: | |
34 | mr r1, r3 | |
35 | blr | |
36 | ||
3e38691e WD |
37 | .globl ppc_setjmp; |
38 | ppc_setjmp: | |
85ec0bcc WD |
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) | |
43 | FP( stfd 14,((JB_FPRS+0*2)*4)(3)) | |
44 | stw r0,(JB_LR*4)(3) | |
45 | stw r15,((JB_GPRS+1)*4)(3) | |
46 | FP( stfd 15,((JB_FPRS+1*2)*4)(3)) | |
47 | mfcr r0 | |
48 | stw r16,((JB_GPRS+2)*4)(3) | |
49 | FP( stfd 16,((JB_FPRS+2*2)*4)(3)) | |
50 | stw r0,(JB_CR*4)(3) | |
51 | stw r17,((JB_GPRS+3)*4)(3) | |
52 | FP( stfd 17,((JB_FPRS+3*2)*4)(3)) | |
53 | stw r18,((JB_GPRS+4)*4)(3) | |
54 | FP( stfd 18,((JB_FPRS+4*2)*4)(3)) | |
55 | stw r19,((JB_GPRS+5)*4)(3) | |
56 | FP( stfd 19,((JB_FPRS+5*2)*4)(3)) | |
57 | stw r20,((JB_GPRS+6)*4)(3) | |
58 | FP( stfd 20,((JB_FPRS+6*2)*4)(3)) | |
59 | stw r21,((JB_GPRS+7)*4)(3) | |
60 | FP( stfd 21,((JB_FPRS+7*2)*4)(3)) | |
61 | stw r22,((JB_GPRS+8)*4)(3) | |
62 | FP( stfd 22,((JB_FPRS+8*2)*4)(3)) | |
63 | stw r23,((JB_GPRS+9)*4)(3) | |
64 | FP( stfd 23,((JB_FPRS+9*2)*4)(3)) | |
65 | stw r24,((JB_GPRS+10)*4)(3) | |
66 | FP( stfd 24,((JB_FPRS+10*2)*4)(3)) | |
67 | stw r25,((JB_GPRS+11)*4)(3) | |
68 | FP( stfd 25,((JB_FPRS+11*2)*4)(3)) | |
69 | stw r26,((JB_GPRS+12)*4)(3) | |
70 | FP( stfd 26,((JB_FPRS+12*2)*4)(3)) | |
71 | stw r27,((JB_GPRS+13)*4)(3) | |
72 | FP( stfd 27,((JB_FPRS+13*2)*4)(3)) | |
73 | stw r28,((JB_GPRS+14)*4)(3) | |
74 | FP( stfd 28,((JB_FPRS+14*2)*4)(3)) | |
75 | stw r29,((JB_GPRS+15)*4)(3) | |
76 | FP( stfd 29,((JB_FPRS+15*2)*4)(3)) | |
77 | stw r30,((JB_GPRS+16)*4)(3) | |
78 | FP( stfd 30,((JB_FPRS+16*2)*4)(3)) | |
79 | stw r31,((JB_GPRS+17)*4)(3) | |
80 | FP( stfd 31,((JB_FPRS+17*2)*4)(3)) | |
81 | ||
82 | li 3, 0 | |
83 | blr |