diff options
Diffstat (limited to 'newlib/libc/machine/nds32/setjmp.S')
-rw-r--r-- | newlib/libc/machine/nds32/setjmp.S | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/newlib/libc/machine/nds32/setjmp.S b/newlib/libc/machine/nds32/setjmp.S deleted file mode 100644 index 90b162ef8..000000000 --- a/newlib/libc/machine/nds32/setjmp.S +++ /dev/null @@ -1,87 +0,0 @@ -/* -Copyright (c) 2013 Andes Technology Corporation. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - 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. - - 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 THE COPYRIGHT HOLDERS AND 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 RED HAT INCORPORATED 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. - - -The setjmp/longjmp for nds32. -The usage of thirty-two 32-bit General Purpose Registers (GPR): - $r28 : $fp - $r29 : $gp - $r30 : $lp - $r31 : $sp - - caller-save registers: $r0 ~ $r5, $r16 ~ $r23 - callee-save registers: $r6 ~ $r10, $r11 ~ $r14 - reserved for assembler : $r15 - reserved for other use : $r24, $r25, $r26, $r27 - -Save all callee-save registers and $fp, $gp, $lp and $sp. -*/ - -/* int setjmp(jmp_buf env); */ - .text - .align 2 - .global setjmp - .type setjmp, @function -setjmp: -#ifdef __NDS32_REDUCED_REGS__ - /* This case, save 10 words. */ - smw.bim $r6, [$r0], $r10, 0x0 - smw.bim $r31, [$r0], $r31, 0xf -#else - /* This case, save 17 words. */ - smw.bim $r6, [$r0], $r14, 0x0 - smw.bim $r16, [$r0], $r19, 0xf -#endif - - /* Set return value to zero. */ - movi $r0, 0 - ret - .size setjmp, .-setjmp - - -/* void longjmp(jmp_buf env, int val); */ - .text - .align 2 - .global longjmp - .type longjmp, @function -longjmp: -#ifdef __NDS32_REDUCED_REGS__ - lmw.bim $r6, [$r0], $r10, 0x0 - lmw.bim $r31, [$r0], $r31, 0xf -#else - lmw.bim $r6, [$r0], $r14, 0x0 - lmw.bim $r16, [$r0], $r19, 0xf -#endif - /* If the value val is 0, 1 will be returned instead. */ - bnez $r1, 1f - movi $r1, 1 -1: - move $r0, $r1 - ret - .size longjmp, .-longjmp |