x86: Add 64-bit setjmp/longjmp implementation
Add setjmp/longjmp functions for x86_64.
Signed-off-by: Ivan Gorinov <ivan.gorinov@intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/include/asm/setjmp.h b/arch/x86/include/asm/setjmp.h
index f25975f..49c36c1 100644
--- a/arch/x86/include/asm/setjmp.h
+++ b/arch/x86/include/asm/setjmp.h
@@ -8,6 +8,21 @@
#ifndef __setjmp_h
#define __setjmp_h
+#ifdef CONFIG_X86_64
+
+struct jmp_buf_data {
+ unsigned long __rip;
+ unsigned long __rsp;
+ unsigned long __rbp;
+ unsigned long __rbx;
+ unsigned long __r12;
+ unsigned long __r13;
+ unsigned long __r14;
+ unsigned long __r15;
+};
+
+#else
+
struct jmp_buf_data {
unsigned int __ebx;
unsigned int __esp;
@@ -17,6 +32,8 @@
unsigned int __eip;
};
+#endif
+
int setjmp(struct jmp_buf_data *jmp_buf);
void longjmp(struct jmp_buf_data *jmp_buf, int val);