X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Fasm-x86%2Fvdso.h;h=8e18fb80f5e641ac3683b8c84c68cb511c4ab30f;hb=6381fad77e5d44f8e0e2afffe686cb4e6fc36e71;hp=629bcb6e8e45d6fd2050476540a465ba6bc3a1f8;hpb=dd07a8db7283f52f347aee468007556944b5b393;p=linux-2.6-omap-h63xx.git

diff --git a/include/asm-x86/vdso.h b/include/asm-x86/vdso.h
index 629bcb6e8e4..8e18fb80f5e 100644
--- a/include/asm-x86/vdso.h
+++ b/include/asm-x86/vdso.h
@@ -8,9 +8,11 @@ extern const char VDSO64_PRELINK[];
  * Given a pointer to the vDSO image, find the pointer to VDSO64_name
  * as that symbol is defined in the vDSO sources or linker script.
  */
-#define VDSO64_SYMBOL(base, name) ({		\
-	extern const char VDSO64_##name[];	\
-	(void *) (VDSO64_##name - VDSO64_PRELINK + (unsigned long) (base)); })
+#define VDSO64_SYMBOL(base, name)					\
+({									\
+	extern const char VDSO64_##name[];				\
+	(void *)(VDSO64_##name - VDSO64_PRELINK + (unsigned long)(base)); \
+})
 #endif
 
 #if defined CONFIG_X86_32 || defined CONFIG_COMPAT
@@ -20,9 +22,26 @@ extern const char VDSO32_PRELINK[];
  * Given a pointer to the vDSO image, find the pointer to VDSO32_name
  * as that symbol is defined in the vDSO sources or linker script.
  */
-#define VDSO32_SYMBOL(base, name) ({		\
-	extern const char VDSO32_##name[];	\
-	(void *) (VDSO32_##name - VDSO32_PRELINK + (unsigned long) (base)); })
+#define VDSO32_SYMBOL(base, name)					\
+({									\
+	extern const char VDSO32_##name[];				\
+	(void *)(VDSO32_##name - VDSO32_PRELINK + (unsigned long)(base)); \
+})
 #endif
 
+/*
+ * These symbols are defined with the addresses in the vsyscall page.
+ * See vsyscall-sigreturn.S.
+ */
+extern void __user __kernel_sigreturn;
+extern void __user __kernel_rt_sigreturn;
+
+/*
+ * These symbols are defined by vdso32.S to mark the bounds
+ * of the ELF DSO images included therein.
+ */
+extern const char vdso32_int80_start, vdso32_int80_end;
+extern const char vdso32_syscall_start, vdso32_syscall_end;
+extern const char vdso32_sysenter_start, vdso32_sysenter_end;
+
 #endif	/* asm-x86/vdso.h */