x86, asm: Add 32-bit versions of the combined CFI macros
authorH. Peter Anvin <hpa@zytor.com>
Mon, 31 Aug 2009 18:53:23 +0000 (11:53 -0700)
committerH. Peter Anvin <hpa@zytor.com>
Mon, 31 Aug 2009 22:14:29 +0000 (15:14 -0700)
Add 32-bit versions of the combined CFI macros, equivalent to the
64-bit ones except, obviously, operating on 32-bit stack words.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
arch/x86/include/asm/dwarf2.h

index 3afc5e8..ae6253a 100644 (file)
        CFI_RESTORE \reg
        .endm
 #else /*!CONFIG_X86_64*/
+       .macro pushl_cfi reg
+       pushl \reg
+       CFI_ADJUST_CFA_OFFSET 4
+       .endm
 
-       /* 32bit defenitions are missed yet */
+       .macro popl_cfi reg
+       popl \reg
+       CFI_ADJUST_CFA_OFFSET -4
+       .endm
 
+       .macro movl_cfi reg offset=0
+       movl %\reg, \offset(%esp)
+       CFI_REL_OFFSET \reg, \offset
+       .endm
+
+       .macro movl_cfi_restore offset reg
+       movl \offset(%esp), %\reg
+       CFI_RESTORE \reg
+       .endm
 #endif /*!CONFIG_X86_64*/
 #endif /*__ASSEMBLY__*/