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-rw-r--r--include/asm-i386/elf.h28
1 files changed, 10 insertions, 18 deletions
diff --git a/include/asm-i386/elf.h b/include/asm-i386/elf.h
index 952b3ee3c9bb..d304ab4161ff 100644
--- a/include/asm-i386/elf.h
+++ b/include/asm-i386/elf.h
@@ -133,39 +133,31 @@ extern int dump_task_extended_fpu (struct task_struct *, struct user_fxsr_struct
133#define ELF_CORE_COPY_XFPREGS(tsk, elf_xfpregs) dump_task_extended_fpu(tsk, elf_xfpregs) 133#define ELF_CORE_COPY_XFPREGS(tsk, elf_xfpregs) dump_task_extended_fpu(tsk, elf_xfpregs)
134 134
135#define VDSO_HIGH_BASE (__fix_to_virt(FIX_VDSO)) 135#define VDSO_HIGH_BASE (__fix_to_virt(FIX_VDSO))
136#define VDSO_BASE ((unsigned long)current->mm->context.vdso) 136#define VDSO_CURRENT_BASE ((unsigned long)current->mm->context.vdso)
137 137#define VDSO_PRELINK 0
138#ifdef CONFIG_COMPAT_VDSO
139# define VDSO_COMPAT_BASE VDSO_HIGH_BASE
140# define VDSO_PRELINK VDSO_HIGH_BASE
141#else
142# define VDSO_COMPAT_BASE VDSO_BASE
143# define VDSO_PRELINK 0
144#endif
145 138
146#define VDSO_SYM(x) \ 139#define VDSO_SYM(x) \
147 (VDSO_COMPAT_BASE + (unsigned long)(x) - VDSO_PRELINK) 140 (VDSO_CURRENT_BASE + (unsigned long)(x) - VDSO_PRELINK)
148 141
149#define VDSO_HIGH_EHDR ((const struct elfhdr *) VDSO_HIGH_BASE) 142#define VDSO_HIGH_EHDR ((const struct elfhdr *) VDSO_HIGH_BASE)
150#define VDSO_EHDR ((const struct elfhdr *) VDSO_COMPAT_BASE) 143#define VDSO_EHDR ((const struct elfhdr *) VDSO_CURRENT_BASE)
151 144
152extern void __kernel_vsyscall; 145extern void __kernel_vsyscall;
153 146
154#define VDSO_ENTRY VDSO_SYM(&__kernel_vsyscall) 147#define VDSO_ENTRY VDSO_SYM(&__kernel_vsyscall)
155 148
156#ifndef CONFIG_COMPAT_VDSO
157#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
158struct linux_binprm; 149struct linux_binprm;
150
151#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
159extern int arch_setup_additional_pages(struct linux_binprm *bprm, 152extern int arch_setup_additional_pages(struct linux_binprm *bprm,
160 int executable_stack); 153 int executable_stack);
161#endif
162 154
163extern unsigned int vdso_enabled; 155extern unsigned int vdso_enabled;
164 156
165#define ARCH_DLINFO \ 157#define ARCH_DLINFO \
166do if (vdso_enabled) { \ 158do if (vdso_enabled) { \
167 NEW_AUX_ENT(AT_SYSINFO, VDSO_ENTRY); \ 159 NEW_AUX_ENT(AT_SYSINFO, VDSO_ENTRY); \
168 NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_COMPAT_BASE); \ 160 NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_CURRENT_BASE); \
169} while (0) 161} while (0)
170 162
171#endif 163#endif