/* setjmp for ARM. Copyright (C) 1997, 1998, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING. If not, write to the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include #define _SETJMP_H #define _ASM #include #define __ASSEMBLY__ #include #include ENTRY (__sigsetjmp) mov ip, r0 /* Save registers */ stmia ip!, {v1-v6, sl, fp, sp, lr} /* Check if we have a VFP unit. */ #ifdef IS_IN_rtld ldr a3, 1f ldr a4, Lrtld_local_ro 0: add a3, pc, a3 add a3, a3, a4 ldr a3, [a3, #RTLD_GLOBAL_RO_DL_HWCAP_OFFSET] #else #ifdef PIC ldr a3, 1f ldr a4, Lrtld_global_ro 0: add a3, pc, a3 ldr a3, [a3, a4] ldr a3, [a3, #RTLD_GLOBAL_RO_DL_HWCAP_OFFSET] #else ldr a3, Lhwcap ldr a3, [a3, #0] #endif #endif tst a3, #HWCAP_VFP beq Lno_vfp /* Store the VFP registers. */ /* Following instruction is fstmiax ip!, {d8-d15}. */ stc p11, cr8, [r12], #68 /* Store the floating-point status register. */ /* Following instruction is fmrx r2, fpscr. */ mrc p10, 7, r2, cr1, cr0, 0 str r2, [ip], #4 Lno_vfp: /* Make a tail call to __sigjmp_save; it takes the same args. */ B PLTJMP(C_SYMBOL_NAME(__sigjmp_save)) #ifdef IS_IN_rtld 1: .long _GLOBAL_OFFSET_TABLE_ - 0b - 8 Lrtld_local_ro: .long C_SYMBOL_NAME(_rtld_local_ro)(GOTOFF) #else #ifdef PIC 1: .long _GLOBAL_OFFSET_TABLE_ - 0b - 8 Lrtld_global_ro: .long C_SYMBOL_NAME(_rtld_global_ro)(GOT) #else Lhwcap: .long C_SYMBOL_NAME(_dl_hwcap) #endif #endif END (__sigsetjmp)