diff options
Diffstat (limited to 'newlib/libc/machine/aarch64/setjmp.S')
-rw-r--r-- | newlib/libc/machine/aarch64/setjmp.S | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/newlib/libc/machine/aarch64/setjmp.S b/newlib/libc/machine/aarch64/setjmp.S deleted file mode 100644 index 0856145bf..000000000 --- a/newlib/libc/machine/aarch64/setjmp.S +++ /dev/null @@ -1,74 +0,0 @@ -/* - Copyright (c) 2011, 2012 ARM Ltd - 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. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - 3. The name of the company may not be used to endorse or promote - products derived from this software without specific prior written - permission. - - THIS SOFTWARE IS PROVIDED BY ARM LTD ``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 ARM LTD 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. - */ - -#define GPR_LAYOUT \ - REG_PAIR (x19, x20, 0); \ - REG_PAIR (x21, x22, 16); \ - REG_PAIR (x23, x24, 32); \ - REG_PAIR (x25, x26, 48); \ - REG_PAIR (x27, x28, 64); \ - REG_PAIR (x29, x30, 80); \ - REG_ONE (x16, 96) - -#define FPR_LAYOUT \ - REG_PAIR ( d8, d9, 112); \ - REG_PAIR (d10, d11, 128); \ - REG_PAIR (d12, d13, 144); \ - REG_PAIR (d14, d15, 160); - -// int setjmp (jmp_buf) - .global setjmp - .type setjmp, %function -setjmp: - mov x16, sp -#define REG_PAIR(REG1, REG2, OFFS) stp REG1, REG2, [x0, OFFS] -#define REG_ONE(REG1, OFFS) str REG1, [x0, OFFS] - GPR_LAYOUT - FPR_LAYOUT -#undef REG_PAIR -#undef REG_ONE - mov w0, #0 - ret - .size setjmp, .-setjmp - -// void longjmp (jmp_buf, int) __attribute__ ((noreturn)) - .global longjmp - .type longjmp, %function -longjmp: -#define REG_PAIR(REG1, REG2, OFFS) ldp REG1, REG2, [x0, OFFS] -#define REG_ONE(REG1, OFFS) ldr REG1, [x0, OFFS] - GPR_LAYOUT - FPR_LAYOUT -#undef REG_PAIR -#undef REG_ONE - mov sp, x16 - cmp w1, #0 - cinc w0, w1, eq - // use br not ret, as ret is guaranteed to mispredict - br x30 - .size longjmp, .-longjmp |