| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * libc/sysdeps/linux/nios2/bsd-setjmp.S |
| 3 | * |
| 4 | * Copyright (C) 2004,05,06 Microtronix Datacom Ltd |
| 5 | * |
| 6 | * This file is subject to the terms and conditions of the GNU Lesser |
| 7 | * General Public License. See the file COPYING.LIB in the main |
| 8 | * directory of this archive for more details. |
| 9 | * |
| 10 | * Written by Wentao Xu <wentao@microtronix.com> |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | |
| 15 | #define _ASM |
| 16 | #define _SETJMP_H |
| 17 | #include <bits/setjmp.h> |
| 18 | |
| 19 | .globl setjmp |
| 20 | .type setjmp,@function |
| 21 | .balign 4 |
| 22 | |
| 23 | setjmp: |
| 24 | stw r16, (JB_REGS+ 0)(r4) |
| 25 | stw r17, (JB_REGS+ 4)(r4) |
| 26 | stw r18, (JB_REGS+ 8)(r4) |
| 27 | stw r19, (JB_REGS+12)(r4) |
| 28 | stw r20, (JB_REGS+16)(r4) |
| 29 | stw r21, (JB_REGS+20)(r4) |
| 30 | stw r22, (JB_REGS+24)(r4) |
| 31 | stw r23, (JB_REGS+28)(r4) |
| 32 | |
| 33 | stw ra, JB_PC(r4) |
| 34 | stw sp, JB_SP(r4) |
| 35 | stw fp, JB_FP(r4) |
| 36 | stw gp, JB_GP(r4) |
| 37 | |
| 38 | #if defined(__HAVE_FPU__) |
| 39 | SAVE_FPU r4 JB_FPREGS |
| 40 | #endif |
| 41 | |
| 42 | movui r5, 1 |
| 43 | #ifdef __PIC__ |
| 44 | /* just pray 16 bit offset is enough */ |
| 45 | br __sigjmp_save |
| 46 | #else |
| 47 | movhi r8, %hi(__sigjmp_save) |
| 48 | ori r8, r8, %lo(__sigjmp_save) |
| 49 | jmp r8 |
| 50 | #endif |
| 51 | |
| 52 | |