/* setjmp for ARM. Copyright (C) 1997, 1998 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 Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #include <features.h> #include <bits/arm_asm.h> .global __sigsetjmp .type __sigsetjmp,%function .align 2 #if defined(THUMB1_ONLY) .thumb_func __sigsetjmp: push {r3, r4, r5, r6, r7, lr} mov ip, r0 stmia r0!, {r4, r5, r6, r7} mov r2, r8 mov r3, r9 mov r4, sl mov r5, fp add r6, sp, #(6 * 4) mov r7, lr stmia r0!, {r2, r3, r4, r5, r6, r7} mov r0, ip bl __sigjmp_save pop {r3, r4, r5, r6, r7, pc} #else __sigsetjmp: /* Save registers */ mov ip, r0 #if defined(__thumb2__) stmia ip!, {v1-v6, sl, fp} mov r2, sp stmia ip!, {r2, lr} #else /* Save registers */ stmia ip!, {v1-v6, sl, fp, sp, lr} #endif #if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__ # ifdef __VFP_FP__ /* 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 # elif defined __MAVERICK__ cfstrd mvd4, [ip], #8 ; nop cfstrd mvd5, [ip], #8 ; nop cfstrd mvd6, [ip], #8 ; nop cfstrd mvd7, [ip], #8 ; nop cfstrd mvd8, [ip], #8 ; nop cfstrd mvd9, [ip], #8 ; nop cfstrd mvd10, [ip], #8 ; nop cfstrd mvd11, [ip], #8 ; nop cfstrd mvd12, [ip], #8 ; nop cfstrd mvd13, [ip], #8 ; nop cfstrd mvd14, [ip], #8 ; nop cfstrd mvd15, [ip], #8 # else sfmea f4, 4, [ip]! # endif #endif #ifdef __IWMMXT__ /* Save the call-preserved iWMMXt registers. */ /* Following instructions are wstrd wr10, [ip], #8 (etc.) */ stcl p1, cr10, [r12], #8 stcl p1, cr11, [r12], #8 stcl p1, cr12, [r12], #8 stcl p1, cr13, [r12], #8 stcl p1, cr14, [r12], #8 stcl p1, cr15, [r12], #8 #endif /* Make a tail call to __sigjmp_save; it takes the same args. */ #ifdef __PIC__ B __sigjmp_save(PLT) #else B __sigjmp_save #endif #endif .size __sigsetjmp,.-__sigsetjmp