linux-kernel - [patch 1/2] i386: add CFI macros for stack manipulation

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Message-ID: <200607281353_MC3-1-C662-536D@compuserve.com>
Date:	Fri, 28 Jul 2006 13:50:42 -0400
From:	Chuck Ebbert <76306.1226@...puserve.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	Jan Beulich <jbeulich@...ell.com>, Andi Kleen <ak@...e.de>,
	Andrew Morton <akpm@...l.org>,
	Linus Torvalds <torvalds@...l.org>
Subject: [patch 1/2] i386: add CFI macros for stack manipulation

Add macros to dwarf2.h to simplify pushing and popping stack
variables.

Signed-off-by: Chuck Ebbert <76306.1226@...puserve.com>

--- 2.6.18-rc2-32.orig/include/asm-i386/dwarf2.h
+++ 2.6.18-rc2-32/include/asm-i386/dwarf2.h
@@ -51,4 +51,26 @@
 
 #endif
 
-#endif
+.macro	CFI_pushl val
+	pushl \val
+	CFI_ADJUST_CFA_OFFSET 4
+.endm
+
+.macro	CFI_pushl_reg reg
+	pushl %\reg
+	CFI_ADJUST_CFA_OFFSET 4
+	CFI_REL_OFFSET \reg, 0
+.endm
+
+.macro	CFI_popl val
+	popl \val
+	CFI_ADJUST_CFA_OFFSET -4
+.endm
+
+.macro	CFI_popl_reg reg
+	popl %\reg
+	CFI_ADJUST_CFA_OFFSET -4
+	CFI_RESTORE \reg
+.endm
+
+#endif /* _DWARF2_H */
-- 
Chuck
-
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