| /* 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #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 |