2 Copyright (C) 1997-2012 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/>. */
22 #include <bits/setjmp.h>
23 #include <rtld-global-offsets.h>
24 #include <arm-features.h>
26 /* __longjmp(jmpbuf, val) */
30 movs r0, r1 /* get the return value in place */
31 moveq r0, #1 /* can't let setjmp() return zero! */
34 ldr r4, [ip, #32] /* jmpbuf's sp */
38 LOADREGS(ia, ip!, {v1-v6, sl, fp, sp, lr})
50 #if !defined ARM_ASSUME_NO_IWMMXT || defined __SOFTFP__
57 ldr a3, .Lrtld_local_ro
60 ldr a2, [a2, #RTLD_GLOBAL_RO_DL_HWCAP_OFFSET]
64 ldr a3, .Lrtld_global_ro
67 ldr a2, [a2, #RTLD_GLOBAL_RO_DL_HWCAP_OFFSET]
76 tst a2, #HWCAP_ARM_VFP
80 /* Restore the VFP registers. */
81 /* Following instruction is vldmia ip!, {d8-d15}. */
82 ldc p11, cr8, [r12], #64
83 /* Restore the floating-point status register. */
85 /* Following instruction is fmxr fpscr, a3. */
86 mcr p10, 7, a3, cr1, cr0, 0
89 #ifndef ARM_ASSUME_NO_IWMMXT
90 tst a2, #HWCAP_ARM_IWMMXT
93 /* Restore the call-preserved iWMMXt registers. */
94 /* Following instructions are wldrd wr10, [ip], #8 (etc.) */
95 ldcl p1, cr10, [r12], #8
96 ldcl p1, cr11, [r12], #8
97 ldcl p1, cr12, [r12], #8
98 ldcl p1, cr13, [r12], #8
99 ldcl p1, cr14, [r12], #8
100 ldcl p1, cr15, [r12], #8
108 1: .long _GLOBAL_OFFSET_TABLE_ - 0b - 8
110 .long C_SYMBOL_NAME(_rtld_local_ro)(GOTOFF)
113 1: .long _GLOBAL_OFFSET_TABLE_ - 0b - 8
115 .long C_SYMBOL_NAME(_rtld_global_ro)(GOT)
118 .long C_SYMBOL_NAME(_dl_hwcap)