2 Copyright (C) 1995-2014 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
20 #include <stap-probe.h>
23 # include <novmxsetjmp.h>
25 # include <jmpbuf-offsets.h>
29 ENTRY (__sigsetjmp_symbol)
39 /* setjmp probe expects longjmp first argument (4@3), second argument
40 (-4@4), and target address (4@0), respectively. */
41 LIBC_PROBE (setjmp, 3, 4@3, -4@4, 4@0)
42 stw r14,((JB_GPRS+0)*4)(3)
43 stfd fp14,((JB_FPRS+0*2)*4)(3)
48 stw r15,((JB_GPRS+1)*4)(3)
49 stfd fp15,((JB_FPRS+1*2)*4)(3)
51 stw r16,((JB_GPRS+2)*4)(3)
52 stfd fp16,((JB_FPRS+2*2)*4)(3)
54 stw r17,((JB_GPRS+3)*4)(3)
55 stfd fp17,((JB_FPRS+3*2)*4)(3)
56 stw r18,((JB_GPRS+4)*4)(3)
57 stfd fp18,((JB_FPRS+4*2)*4)(3)
58 stw r19,((JB_GPRS+5)*4)(3)
59 stfd fp19,((JB_FPRS+5*2)*4)(3)
60 stw r20,((JB_GPRS+6)*4)(3)
61 stfd fp20,((JB_FPRS+6*2)*4)(3)
62 stw r21,((JB_GPRS+7)*4)(3)
63 stfd fp21,((JB_FPRS+7*2)*4)(3)
64 stw r22,((JB_GPRS+8)*4)(3)
65 stfd fp22,((JB_FPRS+8*2)*4)(3)
66 stw r23,((JB_GPRS+9)*4)(3)
67 stfd fp23,((JB_FPRS+9*2)*4)(3)
68 stw r24,((JB_GPRS+10)*4)(3)
69 stfd fp24,((JB_FPRS+10*2)*4)(3)
70 stw r25,((JB_GPRS+11)*4)(3)
71 stfd fp25,((JB_FPRS+11*2)*4)(3)
72 stw r26,((JB_GPRS+12)*4)(3)
73 stfd fp26,((JB_FPRS+12*2)*4)(3)
74 stw r27,((JB_GPRS+13)*4)(3)
75 stfd fp27,((JB_FPRS+13*2)*4)(3)
76 stw r28,((JB_GPRS+14)*4)(3)
77 stfd fp28,((JB_FPRS+14*2)*4)(3)
78 stw r29,((JB_GPRS+15)*4)(3)
79 stfd fp29,((JB_FPRS+15*2)*4)(3)
80 stw r30,((JB_GPRS+16)*4)(3)
81 stfd fp30,((JB_FPRS+16*2)*4)(3)
82 stw r31,((JB_GPRS+17)*4)(3)
83 stfd fp31,((JB_FPRS+17*2)*4)(3)
88 SETUP_GOT_ACCESS(r5,got_label)
89 addis r5,r5,_GLOBAL_OFFSET_TABLE_-got_label@ha
90 addi r5,r5,_GLOBAL_OFFSET_TABLE_-got_label@l
95 /* Inside ld.so we use the local alias to avoid runtime GOT
97 lwz r5,_rtld_local_ro@got(r5)
99 lwz r5,_rtld_global_ro@got(r5)
101 lwz r5,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+LOWORD(r5)
103 lwz r5,_dl_hwcap@got(r5)
107 lis r6,(_dl_hwcap+LOWORD)@ha
108 lwz r5,(_dl_hwcap+LOWORD)@l(r6)
110 andis. r5,r5,(PPC_FEATURE_HAS_ALTIVEC >> 16)
112 la r5,((JB_VRS)*4)(3)
115 stw r0,((JB_VRSAVE)*4)(3)
117 beq+ L(aligned_save_vmx)
123 # define save_misaligned_vmx(savevr,prevvr,shiftvr,tmpvr,savegpr,addgpr) \
124 addi addgpr,addgpr,32; \
125 vperm tmpvr,prevvr,savevr,shiftvr; \
129 * We have to be careful not to corrupt the data below v20 and
130 * above v31. To keep things simple we just rotate both ends in
131 * the opposite direction to our main permute so we can use
135 /* load and rotate data below v20 */
138 save_misaligned_vmx(v20,v2,v0,v3,r5,r6)
139 save_misaligned_vmx(v21,v20,v0,v3,r6,r5)
140 save_misaligned_vmx(v22,v21,v0,v3,r5,r6)
141 save_misaligned_vmx(v23,v22,v0,v3,r6,r5)
142 save_misaligned_vmx(v24,v23,v0,v3,r5,r6)
143 save_misaligned_vmx(v25,v24,v0,v3,r6,r5)
144 save_misaligned_vmx(v26,v25,v0,v3,r5,r6)
145 save_misaligned_vmx(v27,v26,v0,v3,r6,r5)
146 save_misaligned_vmx(v28,v27,v0,v3,r5,r6)
147 save_misaligned_vmx(v29,v28,v0,v3,r6,r5)
148 save_misaligned_vmx(v30,v29,v0,v3,r5,r6)
149 save_misaligned_vmx(v31,v30,v0,v3,r6,r5)
150 /* load and rotate data above v31 */
153 save_misaligned_vmx(v2,v31,v0,v3,r5,r6)
182 b __sigjmp_save_symbol@local
183 END (__sigsetjmp_symbol)