diff options
Diffstat (limited to 'newlib/libc/machine/cris/setjmp.c')
| -rw-r--r-- | newlib/libc/machine/cris/setjmp.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/newlib/libc/machine/cris/setjmp.c b/newlib/libc/machine/cris/setjmp.c deleted file mode 100644 index ca544942f..000000000 --- a/newlib/libc/machine/cris/setjmp.c +++ /dev/null @@ -1,212 +0,0 @@ -/* A setjmp.c for CRIS - Copyright (C) 1993-2005 Axis Communications. - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - 1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - 2. Neither the name of Axis Communications nor the names of its - contributors may be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS - COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, - INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - -/* For benefit of CRIS v0..v3, we save and restore CCR to be able to - correctly handle DI/EI; otherwise there would be no reason to save it. - Note also that the "move x,ccr" does NOT affect - the DMA enable bits (E and D) of v0..v3. - - We do not save mof; it is call-clobbered. It also does not exist in - v0..v8; it should be safe to read or write to it there, but better not. - - jmp_buf[0] - PC - jmp_buf[1] - SP (R14) - jmp_buf[2] - R13 - jmp_buf[3] - R12 - jmp_buf[4] - R11 - jmp_buf[5] - R10 - jmp_buf[6] - R9 - jmp_buf[7] - R8 - jmp_buf[8] - R7 - jmp_buf[9] - R6 - jmp_buf[10] - R5 - jmp_buf[11] - R4 - jmp_buf[12] - R3 - jmp_buf[13] - R2 - jmp_buf[14] - R1 - jmp_buf[15] - R0 - jmp_buf[16] - SRP - jmp_buf[17] - CCR - */ - -#include <setjmp.h> - -int -setjmp (jmp_buf buf) -{ - int ret; -#if defined (__arch_common_v10_v32) || defined (__arch_v32) - /* No offsets in the compatibility mode. Also, movem saves in - different order on v10 than on v32, so we use single move - instructions instead, this not being a speed-prioritized operation. - And we don't save CCR or CCS; since long unuseful. */ - __asm__ __volatile__ - ("move.d %1,$r13 \n\ - move 0f,$mof \n\ - move $mof,[$r13+] \n\ - move.d $sp,[$r13+] \n\ - clear.d [$r13+] \n\ - move.d $r12,[$r13+] \n\ - move.d $r11,[$r13+] \n\ - move.d $r10,[$r13+] \n\ - moveq 1,$r9 \n\ - move.d $r9,[$r13+] \n\ - move.d $r8,[$r13+] \n\ - move.d $r7,[$r13+] \n\ - move.d $r6,[$r13+] \n\ - move.d $r5,[$r13+] \n\ - move.d $r4,[$r13+] \n\ - move.d $r3,[$r13+] \n\ - move.d $r2,[$r13+] \n\ - move.d $r1,[$r13+] \n\ - move.d $r0,[$r13+] \n\ - move $srp,[$r13+] \n\ - clear.d [$r13+] \n\ - clear.d $r9 \n\ -0: \n\ - move.d $r9,%0" - - /* Output. */ - : "=&r" (ret) - - /* Input. */ - : "r" (buf) - - /* Clobber. */ - : "r9", "r13", "memory"); -#else /* not __arch_common_v10_v32 or __arch_v32 */ -#ifdef __PIC__ - __asm__ __volatile__ - ("moveq 1,$r9 \n\ - movem $sp,[%1+1*4] \n\ - move.d $pc,$r9 \n\ - addq 0f-.,$r9 \n\ - move.d $r9,[%1] \n\ - move $srp,[%1+16*4] \n\ - move $ccr,[%1+17*4] \n\ - clear.d $r9 \n\ -0: \n\ - move.d $r9,%0" - - /* Output. */ - : "=&r" (ret) - - /* Input. */ - : "r" (buf) - - /* Clobber. */ - : "r9", "memory"); -#else /* not PIC */ - __asm__ __volatile__ - ("moveq 1,$r9 \n\ - movem $sp,[%1+1*4] \n\ - move.d 0f,$r9 \n\ - move.d $r9,[%1] \n\ - move $srp,[%1+16*4] \n\ - move $ccr,[%1+17*4] \n\ - clear.d $r9 \n\ -0: \n\ - move.d $r9,%0" - - /* Output. */ - : "=&r" (ret) - - /* Input. */ - : "r" (buf) - - /* Clobber. */ - : "r9"); -#endif /* not PIC */ -#endif /* not __arch_common_v10_v32 or __arch_v32 */ - return ret; -} - -void -longjmp(jmp_buf buf, int val) -{ -#if defined (__arch_common_v10_v32) || defined (__arch_v32) - __asm__ __volatile__ - ("cmpq 0,%1 \n\ - beq 0f \n\ - move.d %0,$r13 ; In delay-slot. \n\ - addq 6*4,$r13 \n\ - move.d %1,[$r13] \n\ - subq 6*4,$r13 \n\ -0:\n" -#ifdef __arch_common_v10_v32 - /* Cater to branch offset difference between v32 and v10. We - assume the branch above is 8-bit. */ -" setf\n" -#endif -" move [$r13+],$mof \n\ - move.d [$r13+],$sp \n\ - addq 4,$r13 \n\ - move.d [$r13+],$r12 \n\ - move.d [$r13+],$r11 \n\ - move.d [$r13+],$r10 \n\ - move.d [$r13+],$r9 \n\ - move.d [$r13+],$r8 \n\ - move.d [$r13+],$r7 \n\ - move.d [$r13+],$r6 \n\ - move.d [$r13+],$r5 \n\ - move.d [$r13+],$r4 \n\ - move.d [$r13+],$r3 \n\ - move.d [$r13+],$r2 \n\ - move.d [$r13+],$r1 \n\ - move.d [$r13+],$r0 \n\ - move [$r13+],$srp \n\ - move $mof,$r13 \n\ - jump $r13 \n\ - setf" - - /* No outputs. */ - : - - /* Inputs. */ - : "r" (buf), "r" (val) - : "r13", "memory"); - -#else /* not __arch_common_v10_v32 or __arch_v32 */ - __asm__ __volatile__ - ("move [%0+17*4],$ccr \n\ - move [%0+16*4],$srp \n\ - test.d %1 \n\ - beq 0f \n\ - nop \n\ - move.d %1,[%0+6*4] ; Offset for r9. \n\ -0: \n\ - movem [%0],$pc" - - /* No outputs. */ - : - - /* Inputs. */ - : "r" (buf), "r" (val) - : "memory"); -#endif /* not __arch_common_v10_v32 or __arch_v32 */ -} |