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/* 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__
# if __ARM_ARCH >= 8
/* Store the VFP registers. */
fstmiax ip!, {d8-d15}
/* Store the floating-point status register. */
fmrx r2, fpscr
str r2, [ip], #4
# else
/* 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
# endif
# 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
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