aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/include/asm/vdso.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-08-14 14:58:01 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-14 14:58:01 +0200
commit51ca3c679194e7435c25b8e77b0a73c597e41ae9 (patch)
treea681dca369607ab0f371d5246b0f75140b860a8a /arch/powerpc/include/asm/vdso.h
parentb55793f7528ce1b73c25b3ac8a86a6cda2a0f9a4 (diff)
parentb635acec48bcaa9183fcbf4e3955616b0d4119b5 (diff)
Merge branch 'linus' into x86/core
Conflicts: arch/x86/kernel/genapic_64.c include/asm-x86/kvm_host.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/include/asm/vdso.h')
-rw-r--r--arch/powerpc/include/asm/vdso.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/vdso.h b/arch/powerpc/include/asm/vdso.h
new file mode 100644
index 00000000000..26fc449bd98
--- /dev/null
+++ b/arch/powerpc/include/asm/vdso.h
@@ -0,0 +1,78 @@
+#ifndef __PPC64_VDSO_H__
+#define __PPC64_VDSO_H__
+
+#ifdef __KERNEL__
+
+/* Default link addresses for the vDSOs */
+#define VDSO32_LBASE 0x100000
+#define VDSO64_LBASE 0x100000
+
+/* Default map addresses */
+#define VDSO32_MBASE VDSO32_LBASE
+#define VDSO64_MBASE VDSO64_LBASE
+
+#define VDSO_VERSION_STRING LINUX_2.6.15
+
+/* Define if 64 bits VDSO has procedure descriptors */
+#undef VDS64_HAS_DESCRIPTORS
+
+#ifndef __ASSEMBLY__
+
+/* Offsets relative to thread->vdso_base */
+extern unsigned long vdso64_rt_sigtramp;
+extern unsigned long vdso32_sigtramp;
+extern unsigned long vdso32_rt_sigtramp;
+
+#else /* __ASSEMBLY__ */
+
+#ifdef __VDSO64__
+#ifdef VDS64_HAS_DESCRIPTORS
+#define V_FUNCTION_BEGIN(name) \
+ .globl name; \
+ .section ".opd","a"; \
+ .align 3; \
+ name: \
+ .quad .name,.TOC.@tocbase,0; \
+ .previous; \
+ .globl .name; \
+ .type .name,@function; \
+ .name: \
+
+#define V_FUNCTION_END(name) \
+ .size .name,.-.name;
+
+#define V_LOCAL_FUNC(name) (.name)
+
+#else /* VDS64_HAS_DESCRIPTORS */
+
+#define V_FUNCTION_BEGIN(name) \
+ .globl name; \
+ name: \
+
+#define V_FUNCTION_END(name) \
+ .size name,.-name;
+
+#define V_LOCAL_FUNC(name) (name)
+
+#endif /* VDS64_HAS_DESCRIPTORS */
+#endif /* __VDSO64__ */
+
+#ifdef __VDSO32__
+
+#define V_FUNCTION_BEGIN(name) \
+ .globl name; \
+ .type name,@function; \
+ name: \
+
+#define V_FUNCTION_END(name) \
+ .size name,.-name;
+
+#define V_LOCAL_FUNC(name) (name)
+
+#endif /* __VDSO32__ */
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __KERNEL__ */
+
+#endif /* __PPC64_VDSO_H__ */