Import newlib and create makefile

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 0000000..ef9a258
--- /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
+