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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 09:55:03 +0100 |
commit | 4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch) | |
tree | d240e4d40357583e3f3eb228dccf20122a5b31ed /arch/powerpc/include/asm/vdso.h | |
parent | f44f82e8a20b98558486eb14497b2f71c78fa325 (diff) | |
parent | 64a99d2a8c3ed5c4e39f3ae1cc682aa8fd3977fc (diff) | |
download | op-kernel-dev-4fb8af10d0fd09372d52966b76922b9e82bbc950.zip op-kernel-dev-4fb8af10d0fd09372d52966b76922b9e82bbc950.tar.gz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Diffstat (limited to 'arch/powerpc/include/asm/vdso.h')
-rw-r--r-- | arch/powerpc/include/asm/vdso.h | 78 |
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 0000000..26fc449 --- /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__ */ |