diff options
Diffstat (limited to 'libc/sysdeps/linux/nios2/bsd-setjmp.S')
| -rw-r--r-- | libc/sysdeps/linux/nios2/bsd-setjmp.S | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/nios2/bsd-setjmp.S b/libc/sysdeps/linux/nios2/bsd-setjmp.S new file mode 100644 index 000000000..ac99bfe0a --- /dev/null +++ b/libc/sysdeps/linux/nios2/bsd-setjmp.S @@ -0,0 +1,52 @@ +/* + * libc/sysdeps/linux/nios2/bsd-setjmp.S + * + * Copyright (C) 2004,05,06 Microtronix Datacom Ltd + * + * This file is subject to the terms and conditions of the GNU Lesser + * General Public License. See the file COPYING.LIB in the main + * directory of this archive for more details. + * + * Written by Wentao Xu <wentao@microtronix.com> + * + */ + + +#define _ASM +#define _SETJMP_H +#include <bits/setjmp.h> + + .globl setjmp + .type setjmp,@function + .balign 4 + +setjmp: + stw r16, (JB_REGS+ 0)(r4) + stw r17, (JB_REGS+ 4)(r4) + stw r18, (JB_REGS+ 8)(r4) + stw r19, (JB_REGS+12)(r4) + stw r20, (JB_REGS+16)(r4) + stw r21, (JB_REGS+20)(r4) + stw r22, (JB_REGS+24)(r4) + stw r23, (JB_REGS+28)(r4) + + stw ra, JB_PC(r4) + stw sp, JB_SP(r4) + stw fp, JB_FP(r4) + stw gp, JB_GP(r4) + +#if defined(__HAVE_FPU__) + SAVE_FPU r4 JB_FPREGS +#endif + + movui r5, 1 +#ifdef __PIC__ + /* just pray 16 bit offset is enough */ + br __sigjmp_save +#else + movhi r8, %hi(__sigjmp_save) + ori r8, r8, %lo(__sigjmp_save) + jmp r8 +#endif + + |