]>
Commit | Line | Data |
---|---|---|
5c76ff27 UD |
1 | /* setjmp for PowerPC. |
2 | Copyright (C) 1995-99, 2000, 2003, 2004 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 <sysdep.h> | |
21 | #define _ASM | |
22 | #define _SETJMP_H | |
23 | #ifdef __NO_VMX__ | |
24 | # include <novmxsetjmp.h> | |
25 | #else | |
26 | # include <bits/setjmp.h> | |
27 | #endif | |
28 | #include <bp-sym.h> | |
29 | #include <bp-asm.h> | |
30 | ||
31 | ||
32 | ENTRY (BP_SYM (__sigsetjmp)) | |
33 | CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE) | |
34 | ||
35 | stw r1,(JB_GPR1*4)(3) | |
36 | mflr r0 | |
37 | stw r14,((JB_GPRS+0)*4)(3) | |
38 | stfd fp14,((JB_FPRS+0*2)*4)(3) | |
39 | stw r0,(JB_LR*4)(3) | |
40 | stw r15,((JB_GPRS+1)*4)(3) | |
41 | stfd fp15,((JB_FPRS+1*2)*4)(3) | |
42 | mfcr r0 | |
43 | stw r16,((JB_GPRS+2)*4)(3) | |
44 | stfd fp16,((JB_FPRS+2*2)*4)(3) | |
45 | stw r0,(JB_CR*4)(3) | |
46 | stw r17,((JB_GPRS+3)*4)(3) | |
47 | stfd fp17,((JB_FPRS+3*2)*4)(3) | |
48 | stw r18,((JB_GPRS+4)*4)(3) | |
49 | stfd fp18,((JB_FPRS+4*2)*4)(3) | |
50 | stw r19,((JB_GPRS+5)*4)(3) | |
51 | stfd fp19,((JB_FPRS+5*2)*4)(3) | |
52 | stw r20,((JB_GPRS+6)*4)(3) | |
53 | stfd fp20,((JB_FPRS+6*2)*4)(3) | |
54 | stw r21,((JB_GPRS+7)*4)(3) | |
55 | stfd fp21,((JB_FPRS+7*2)*4)(3) | |
56 | stw r22,((JB_GPRS+8)*4)(3) | |
57 | stfd fp22,((JB_FPRS+8*2)*4)(3) | |
58 | stw r23,((JB_GPRS+9)*4)(3) | |
59 | stfd fp23,((JB_FPRS+9*2)*4)(3) | |
60 | stw r24,((JB_GPRS+10)*4)(3) | |
61 | stfd fp24,((JB_FPRS+10*2)*4)(3) | |
62 | stw r25,((JB_GPRS+11)*4)(3) | |
63 | stfd fp25,((JB_FPRS+11*2)*4)(3) | |
64 | stw r26,((JB_GPRS+12)*4)(3) | |
65 | stfd fp26,((JB_FPRS+12*2)*4)(3) | |
66 | stw r27,((JB_GPRS+13)*4)(3) | |
67 | stfd fp27,((JB_FPRS+13*2)*4)(3) | |
68 | stw r28,((JB_GPRS+14)*4)(3) | |
69 | stfd fp28,((JB_FPRS+14*2)*4)(3) | |
70 | stw r29,((JB_GPRS+15)*4)(3) | |
71 | stfd fp29,((JB_FPRS+15*2)*4)(3) | |
72 | stw r30,((JB_GPRS+16)*4)(3) | |
73 | stfd fp30,((JB_FPRS+16*2)*4)(3) | |
74 | stw r31,((JB_GPRS+17)*4)(3) | |
75 | stfd fp31,((JB_FPRS+17*2)*4)(3) | |
76 | #ifndef __NO_VMX__ | |
77 | #ifdef PIC | |
78 | mflr r6 | |
79 | bl _GLOBAL_OFFSET_TABLE_@local-4 | |
80 | mflr r5 | |
81 | #ifdef SHARED | |
82 | lwz r5,_rtld_global@got(r5) | |
83 | mtlr r6 | |
84 | lwz r5,RTLD_GLOBAL_DL_HWCAP_OFFSET(r5) | |
85 | #else | |
86 | lwz r5,_rtld_global@got(r5) | |
87 | mtlr r6 | |
88 | lwz r5,0(r5) | |
89 | #endif | |
90 | #else | |
91 | lis r5,_dl_hwcap@ha | |
92 | lwz r5,_dl_hwcap@l(r5) | |
93 | #endif | |
94 | andis. r5,r5,(PPC_FEATURE_HAS_ALTIVEC >> 16) | |
95 | beq no_vmx | |
96 | la r5,((JB_VRS)*4)(3) | |
97 | andi. r6,r5,0xf | |
98 | mfspr r0,VRSAVE | |
99 | stw r0,((JB_VRSAVE)*4)(3) | |
100 | addi r6,r5,16 | |
101 | beq+ aligned_save_vmx | |
102 | lvsr v0,0,r5 | |
103 | vspltisb v1,-1 /* set v1 to all 1's */ | |
104 | vspltisb v2,0 /* set v2 to all 0's */ | |
105 | vperm v3,v2,v1,v0 /* v3 contains shift mask with num all 1 bytes on left = misalignment */ | |
106 | ||
107 | ||
108 | /* Special case for v20 we need to preserve what is in save area below v20 before obliterating it */ | |
109 | lvx v5,0,r5 | |
110 | vperm v20,v20,v20,v0 | |
111 | vsel v5,v5,v20,v3 | |
112 | vsel v20,v20,v2,v3 | |
113 | stvx v5,0,r5 | |
114 | ||
115 | #define save_2vmx_partial(savevr,prev_savevr,hivr,shiftvr,maskvr,savegpr,addgpr) \ | |
116 | addi addgpr,addgpr,32; \ | |
117 | vperm savevr,savevr,savevr,shiftvr; \ | |
118 | vsel hivr,prev_savevr,savevr,maskvr; \ | |
119 | stvx hivr,0,savegpr; | |
120 | ||
121 | save_2vmx_partial(v21,v20,v5,v0,v3,r6,r5) | |
122 | save_2vmx_partial(v22,v21,v5,v0,v3,r5,r6) | |
123 | save_2vmx_partial(v23,v22,v5,v0,v3,r6,r5) | |
124 | save_2vmx_partial(v24,v23,v5,v0,v3,r5,r6) | |
125 | save_2vmx_partial(v25,v24,v5,v0,v3,r6,r5) | |
126 | save_2vmx_partial(v26,v25,v5,v0,v3,r5,r6) | |
127 | save_2vmx_partial(v27,v26,v5,v0,v3,r6,r5) | |
128 | save_2vmx_partial(v28,v27,v5,v0,v3,r5,r6) | |
129 | save_2vmx_partial(v29,v28,v5,v0,v3,r6,r5) | |
130 | save_2vmx_partial(v30,v29,v5,v0,v3,r5,r6) | |
131 | ||
132 | /* Special case for r31 we need to preserve what is in save area above v31 before obliterating it */ | |
133 | addi r5,r5,32 | |
134 | vperm v31,v31,v31,v0 | |
135 | lvx v4,0,r5 | |
136 | vsel v5,v30,v31,v3 | |
137 | stvx v5,0,r6 | |
138 | vsel v4,v31,v4,v3 | |
139 | stvx v4,0,r5 | |
140 | b no_vmx | |
141 | ||
142 | aligned_save_vmx: | |
143 | stvx 20,0,r5 | |
144 | addi r5,r5,32 | |
145 | stvx 21,0,r6 | |
146 | addi r6,r6,32 | |
147 | stvx 22,0,r5 | |
148 | addi r5,r5,32 | |
149 | stvx 23,0,r6 | |
150 | addi r6,r6,32 | |
151 | stvx 24,0,r5 | |
152 | addi r5,r5,32 | |
153 | stvx 25,0,r6 | |
154 | addi r6,r6,32 | |
155 | stvx 26,0,r5 | |
156 | addi r5,r5,32 | |
157 | stvx 27,0,r6 | |
158 | addi r6,r6,32 | |
159 | stvx 28,0,r5 | |
160 | addi r5,r5,32 | |
161 | stvx 29,0,r6 | |
162 | addi r6,r6,32 | |
163 | stvx 30,0,r5 | |
164 | stvx 31,0,r6 | |
165 | no_vmx: | |
166 | #endif | |
167 | b JUMPTARGET (BP_SYM (__sigjmp_save)) | |
168 | END (BP_SYM (__sigsetjmp)) |