From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 arch/x86/include/asm/frame.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 arch/x86/include/asm/frame.h

(limited to 'arch/x86/include/asm/frame.h')

diff --git a/arch/x86/include/asm/frame.h b/arch/x86/include/asm/frame.h
new file mode 100644
index 000000000..3b629f47e
--- /dev/null
+++ b/arch/x86/include/asm/frame.h
@@ -0,0 +1,26 @@
+#ifdef __ASSEMBLY__
+
+#include <asm/asm.h>
+#include <asm/dwarf2.h>
+
+/* The annotation hides the frame from the unwinder and makes it look
+   like a ordinary ebp save/restore. This avoids some special cases for
+   frame pointer later */
+#ifdef CONFIG_FRAME_POINTER
+	.macro FRAME
+	__ASM_SIZE(push,_cfi)	%__ASM_REG(bp)
+	CFI_REL_OFFSET		__ASM_REG(bp), 0
+	__ASM_SIZE(mov)		%__ASM_REG(sp), %__ASM_REG(bp)
+	.endm
+	.macro ENDFRAME
+	__ASM_SIZE(pop,_cfi)	%__ASM_REG(bp)
+	CFI_RESTORE		__ASM_REG(bp)
+	.endm
+#else
+	.macro FRAME
+	.endm
+	.macro ENDFRAME
+	.endm
+#endif
+
+#endif  /*  __ASSEMBLY__  */
-- 
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