forked from Minki/linux
7ac9a13717
The recent vDSO consolidation patches broke powerpc due to a mistake in the definition of MAXPAGES constants. This fixes it by moving to a dynamically allocated array of pages instead as I don't like much hard coded size limits. Also move the vdso initialisation to an initcall since it doesn't really need to be done -that- early. Applogies for not catching the breakage earlier, Roland _did_ CC me on his patches a while ago, I got busy with other things and forgot to test them. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
79 lines
1.5 KiB
C
79 lines
1.5 KiB
C
#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__ */
|