diff options
| author | David McCullough <davidm@snapgear.com> | 2003-10-14 11:52:32 +0000 |
|---|---|---|
| committer | David McCullough <davidm@snapgear.com> | 2003-10-14 11:52:32 +0000 |
| commit | 94b92c2fab333403aa43fd55ec858fdbf666f8c3 (patch) | |
| tree | 10e30871a37756c010dbbb26326bf934ba434552 /libc/sysdeps/linux/microblaze/setjmp.S | |
| parent | 34c5a8290b32d93beca6ae8f9c346bbadf408591 (diff) | |
Microblaze port from the uClinux-dist,
contributed by John Williams <jwilliams@itee.uq.edu.au>
Diffstat (limited to 'libc/sysdeps/linux/microblaze/setjmp.S')
| -rw-r--r-- | libc/sysdeps/linux/microblaze/setjmp.S | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/microblaze/setjmp.S b/libc/sysdeps/linux/microblaze/setjmp.S new file mode 100644 index 000000000..7068d4b40 --- /dev/null +++ b/libc/sysdeps/linux/microblaze/setjmp.S @@ -0,0 +1,53 @@ +/* + * libc/sysdeps/linux/microblaze/setjmp.S -- `setjmp' for microblaze + * + * Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au> + * Copyright (C) 2001,2002 NEC Corporation + * Copyright (C) 2001,2002 Miles Bader <miles@gnu.org> + * + * 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 Miles Bader <miles@gnu.org> + */ + +#define _SETJMP_H +#define _ASM +#include <bits/setjmp.h> + +#include <clinkage.h> + + .text +C_ENTRY(setjmp): + addi r6, r0, 1 /* Save the signal mask. */ + braid C_SYMBOL_NAME(__sigsetjmp) + nop + + .globl C_SYMBOL_NAME(_setjmp) +C_SYMBOL_NAME(_setjmp): + add r6, r0, r0 /* Don't save the signal mask. */ + + .globl C_SYMBOL_NAME(__sigsetjmp) +C_SYMBOL_NAME(__sigsetjmp): + /* Save registers relative to r5 (arg0)*/ + swi r1, r5, 0 /* stack pointer */ + swi r15, r5, 4 /* link register */ + swi r18, r5, 8 /* assembler temp */ + swi r19, r5, 12 /* now call-preserved regs */ + swi r20, r5, 16 + swi r21, r5, 20 + swi r22, r5, 24 + swi r23, r5, 28 + swi r24, r5, 32 + swi r25, r5, 36 + swi r26, r5, 40 + swi r27, r5, 44 + swi r28, r5, 48 + swi r29, r5, 52 + swi r30, r5, 56 + + /* Make a tail call to __sigjmp_save; it takes the same args. */ + braid C_SYMBOL_NAME(__sigjmp_save) + nop +C_END(setjmp) |