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x86 vDSO: i386 vdso32

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This makes the i386 kernel use the new vDSO build in arch/x86/vdso/vdso32/
to replace the old one from arch/x86/kernel/.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Roland McGrath
2008-01-30 13:30:42 +01:00
committed by Ingo Molnar
parent 0249c9c1e7
commit 6c3652efca
13 changed files with 37 additions and 139 deletions
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13
include/asm-x86/elf.h
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@@ -78,6 +78,7 @@ typedef struct user_fxsr_struct elf_fpxregset_t;
#include <asm/processor.h>
#include <asm/system.h> /* for savesegment */
#include <asm/desc.h>
#include <asm/vdso.h>
/*
* This is used to ensure we don't load something for the wrong architecture.
@@ -247,17 +248,9 @@ extern int dump_task_extended_fpu (struct task_struct *,
#define VDSO_HIGH_BASE (__fix_to_virt(FIX_VDSO))
#define VDSO_CURRENT_BASE ((unsigned long)current->mm->context.vdso)
#define VDSO_PRELINK 0
#define VDSO_SYM(x) \
(VDSO_CURRENT_BASE + (unsigned long)(x) - VDSO_PRELINK)
#define VDSO_HIGH_EHDR ((const struct elfhdr *) VDSO_HIGH_BASE)
#define VDSO_EHDR ((const struct elfhdr *) VDSO_CURRENT_BASE)
extern void __kernel_vsyscall;
#define VDSO_ENTRY VDSO_SYM(&__kernel_vsyscall)
#define VDSO_ENTRY \
((unsigned long) VDSO32_SYMBOL(VDSO_CURRENT_BASE, vsyscall))
/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */