automake commit without merge history

grub-core/lib/i386/setjmp.S

@@ -0,0 +1,56 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2003,2007  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/symbol.h>
+
+	.file	"setjmp.S"
+
+	.text
+
+/*
+ * int grub_setjmp (grub_jmp_buf env)
+ */
+FUNCTION(grub_setjmp)
+	movl	%ebx, 0(%eax)	/* EBX */
+	movl	%esi, 4(%eax)	/* ESI */
+	movl	%edi, 8(%eax)	/* EDI */
+	movl	%ebp, 12(%eax)	/* EBP */
+	popl	%ecx
+	movl	%esp, 16(%eax)	/* ESP */
+	movl	%ecx, 20(%eax)	/* EIP */
+	xorl	%eax, %eax
+	jmp	*%ecx
+
+
+/*
+ * int grub_longjmp (grub_jmp_buf env, int val)
+ */
+FUNCTION(grub_longjmp)
+	movl	0(%eax), %ebx
+	movl	4(%eax), %esi
+	movl	8(%eax), %edi
+	movl	12(%eax), %ebp
+	movl	16(%eax), %esp
+	movl	20(%eax), %ecx
+
+	movl	%edx, %eax
+	testl	%eax, %eax
+	jnz	1f
+	incl	%eax
+1:	jmp	*%ecx
+