diff options
Diffstat (limited to 'newlib/libc/sys/go32/setjmp.S')
| -rw-r--r-- | newlib/libc/sys/go32/setjmp.S | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/newlib/libc/sys/go32/setjmp.S b/newlib/libc/sys/go32/setjmp.S new file mode 100644 index 00000000000..ef9a258e103 --- /dev/null +++ b/newlib/libc/sys/go32/setjmp.S @@ -0,0 +1,61 @@ +/* This is file SETJMP.S */ +/* +** Copyright (C) 1993 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954 +** +** This file is distributed under the terms listed in the document +** "copying.dj", available from DJ Delorie at the address above. +** A copy of "copying.dj" should accompany this file; if not, a copy +** should be available from where this file was obtained. This file +** may not be distributed without a verbatim copy of "copying.dj". +** +** This file is distributed WITHOUT ANY WARRANTY; without even the implied +** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +*/ + +/* +** jmp_buf: +** eax ebx ecx edx esi edi ebp esp eip es fs gs ss +** 0 4 8 12 16 20 24 28 32 36 38 40 42 +*/ + + .globl _setjmp /* jmp_buf */ +_setjmp: + pushl %ebp + movl %esp,%ebp + + pushl %edi + movl 8(%ebp),%edi + + movl %eax,0(%edi) + movl %ebx,4(%edi) + movl %ecx,8(%edi) + movl %edx,12(%edi) + movl %esi,16(%edi) + + movl -4(%ebp),%eax + movl %eax,20(%edi) + + movl 0(%ebp),%eax + movl %eax,24(%edi) + + movl %esp,%eax + addl $12,%eax + movl %eax,28(%edi) + + movl 4(%ebp),%eax + movl %eax,32(%edi) + + movw %es, %ax + movw %ax, 36(%edi) + movw %fs, %ax + movw %ax, 38(%edi) + movw %gs, %ax + movw %ax, 40(%edi) + movw %ss, %ax + movw %ax, 42(%edi) + + popl %edi + movl $0,%eax + leave + ret + |