[PATCH] x86_64: Allow modular build of ia32 aout loader
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 504dc52..fd10bf8 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -510,7 +510,7 @@
left.
config IA32_AOUT
- bool "IA32 a.out support"
+ tristate "IA32 a.out support"
depends on IA32_EMULATION
help
Support old a.out binaries in the 32bit emulation.
diff --git a/arch/x86_64/ia32/ia32_aout.c b/arch/x86_64/ia32/ia32_aout.c
index 93c60f4..3bf58af 100644
--- a/arch/x86_64/ia32/ia32_aout.c
+++ b/arch/x86_64/ia32/ia32_aout.c
@@ -36,9 +36,6 @@
#undef WARN_OLD
#undef CORE_DUMP /* probably broken */
-extern int ia32_setup_arg_pages(struct linux_binprm *bprm,
- unsigned long stack_top, int exec_stack);
-
static int load_aout_binary(struct linux_binprm *, struct pt_regs * regs);
static int load_aout_library(struct file*);
diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c
index d9161e3..830feb2 100644
--- a/arch/x86_64/ia32/ia32_binfmt.c
+++ b/arch/x86_64/ia32/ia32_binfmt.c
@@ -335,7 +335,8 @@
me->thread.es = __USER_DS;
}
-int setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_top, int executable_stack)
+int ia32_setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_top,
+ int executable_stack)
{
unsigned long stack_base;
struct vm_area_struct *mpnt;
@@ -389,6 +390,7 @@
return 0;
}
+EXPORT_SYMBOL(ia32_setup_arg_pages);
static unsigned long
elf32_map (struct file *filep, unsigned long addr, struct elf_phdr *eppnt, int prot, int type)
diff --git a/arch/x86_64/kernel/x8664_ksyms.c b/arch/x86_64/kernel/x8664_ksyms.c
index fd99ddd00..4a54221 100644
--- a/arch/x86_64/kernel/x8664_ksyms.c
+++ b/arch/x86_64/kernel/x8664_ksyms.c
@@ -203,3 +203,6 @@
#endif
EXPORT_SYMBOL(cpu_khz);
+
+EXPORT_SYMBOL(load_gs_index);
+
diff --git a/include/asm-x86_64/ia32.h b/include/asm-x86_64/ia32.h
index 6efa00f..c7bc9c0 100644
--- a/include/asm-x86_64/ia32.h
+++ b/include/asm-x86_64/ia32.h
@@ -165,6 +165,11 @@
int do_get_thread_area(struct thread_struct *t, struct user_desc __user *info);
int do_set_thread_area(struct thread_struct *t, struct user_desc __user *info);
int ia32_child_tls(struct task_struct *p, struct pt_regs *childregs);
+
+struct linux_binprm;
+extern int ia32_setup_arg_pages(struct linux_binprm *bprm,
+ unsigned long stack_top, int exec_stack);
+
#endif
#endif /* !CONFIG_IA32_SUPPORT */
