diff options
Diffstat (limited to 'ports/sysdeps/mips/__longjmp.c')
| -rw-r--r-- | ports/sysdeps/mips/__longjmp.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/ports/sysdeps/mips/__longjmp.c b/ports/sysdeps/mips/__longjmp.c deleted file mode 100644 index 5e6a3537b4..0000000000 --- a/ports/sysdeps/mips/__longjmp.c +++ /dev/null @@ -1,86 +0,0 @@ -/* Copyright (C) 1992-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Brendan Kehoe (brendan@zen.org). - - 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 <setjmp.h> -#include <stdlib.h> - -#ifndef __GNUC__ - #error This file uses GNU C extensions; you must compile with GCC. -#endif - -static void __attribute__ ((nomips16)) -____longjmp (env_arg, val_arg) - __jmp_buf env_arg; - int val_arg; -{ - /* gcc 1.39.19 miscompiled the longjmp routine (as it did setjmp before - the hack around it); force it to use $a1 for the longjmp value. - Without this it saves $a1 in a register which gets clobbered - along the way. */ - register struct __jmp_buf_internal_tag *env asm ("a0"); - register int val asm ("a1"); -#ifdef CHECK_SP - register long sp asm ("$29"); - CHECK_SP (env[0].__sp, sp, long); -#endif - -#ifdef __mips_hard_float - /* Pull back the floating point callee-saved registers. */ - asm volatile ("l.d $f20, %0" : : "m" (env[0].__fpregs[0])); - asm volatile ("l.d $f22, %0" : : "m" (env[0].__fpregs[1])); - asm volatile ("l.d $f24, %0" : : "m" (env[0].__fpregs[2])); - asm volatile ("l.d $f26, %0" : : "m" (env[0].__fpregs[3])); - asm volatile ("l.d $f28, %0" : : "m" (env[0].__fpregs[4])); - asm volatile ("l.d $f30, %0" : : "m" (env[0].__fpregs[5])); -#endif - - /* Get the GP. */ - asm volatile ("lw $gp, %0" : : "m" (env[0].__gp)); - - /* Get the callee-saved registers. */ - asm volatile ("lw $16, %0" : : "m" (env[0].__regs[0])); - asm volatile ("lw $17, %0" : : "m" (env[0].__regs[1])); - asm volatile ("lw $18, %0" : : "m" (env[0].__regs[2])); - asm volatile ("lw $19, %0" : : "m" (env[0].__regs[3])); - asm volatile ("lw $20, %0" : : "m" (env[0].__regs[4])); - asm volatile ("lw $21, %0" : : "m" (env[0].__regs[5])); - asm volatile ("lw $22, %0" : : "m" (env[0].__regs[6])); - asm volatile ("lw $23, %0" : : "m" (env[0].__regs[7])); - - /* Get the PC. */ - asm volatile ("lw $25, %0" : : "m" (env[0].__pc)); - - /* Restore the stack pointer and the FP. They have to be restored - last and in a single asm as gcc, depending on options used, may - use either of them to access env. */ - asm volatile ("lw $29, %0\n\t" - "lw $30, %1\n\t" : : "m" (env[0].__sp), "m" (env[0].__fp)); - -/* Give setjmp 1 if given a 0, or what they gave us if non-zero. */ - if (val == 0) - asm volatile ("li $2, 1"); - else - asm volatile ("move $2, %0" : : "r" (val)); - - asm volatile ("jr $25"); - - /* Avoid `volatile function does return' warnings. */ - for (;;); -} - -strong_alias (____longjmp, __longjmp); |