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authorAndy Lutomirski <luto@amacapital.net>2014-03-21 02:57:18 +0100
committerH. Peter Anvin <hpa@zytor.com>2014-03-21 04:20:08 +0100
commit9e6f450f946d35d585798da268d45c679632fe05 (patch)
tree733e5945b5efc2be040da323ec2c17c1100525d3 /arch
parentx86: Load the 32-bit vdso in place, just like the 64-bit vdsos (diff)
downloadlinux-9e6f450f946d35d585798da268d45c679632fe05.tar.xz
linux-9e6f450f946d35d585798da268d45c679632fe05.zip
x86, vdso: Move more vdso definitions into vdso.h
This fixes the Xen build and gets rid of a silly header file. Signed-off-by: Andy Lutomirski <luto@amacapital.net> Cc: Stefani Seibold <stefani@seibold.net> Link: http://lkml.kernel.org/r/1df77311795aff75f5742c787d277518314a38d3.1395366931.git.luto@amacapital.net Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/vdso.h38
-rw-r--r--arch/x86/vdso/vdso.S2
-rw-r--r--arch/x86/vdso/vdso32-setup.c7
-rw-r--r--arch/x86/vdso/vdso32.S2
-rw-r--r--arch/x86/vdso/vdso_image.h30
-rw-r--r--arch/x86/vdso/vdsox32.S2
-rw-r--r--arch/x86/vdso/vma.c1
7 files changed, 41 insertions, 41 deletions
diff --git a/arch/x86/include/asm/vdso.h b/arch/x86/include/asm/vdso.h
index 0301d78bb910..7622a65a969e 100644
--- a/arch/x86/include/asm/vdso.h
+++ b/arch/x86/include/asm/vdso.h
@@ -1,10 +1,46 @@
#ifndef _ASM_X86_VDSO_H
#define _ASM_X86_VDSO_H
+#include <asm/page_types.h>
+#include <linux/linkage.h>
+
+#ifdef __ASSEMBLER__
+
+#define DEFINE_VDSO_IMAGE(symname, filename) \
+__PAGE_ALIGNED_DATA ; \
+ .globl symname##_start, symname##_end ; \
+ .align PAGE_SIZE ; \
+ symname##_start: ; \
+ .incbin filename ; \
+ symname##_end: ; \
+ .align PAGE_SIZE /* extra data here leaks to userspace. */ ; \
+ \
+.previous ; \
+ \
+ .globl symname##_pages ; \
+ .bss ; \
+ .align 8 ; \
+ .type symname##_pages, @object ; \
+ symname##_pages: ; \
+ .zero (symname##_end - symname##_start + PAGE_SIZE - 1) / PAGE_SIZE * (BITS_PER_LONG / 8) ; \
+ .size symname##_pages, .-symname##_pages
+
+#else
+
+#define DECLARE_VDSO_IMAGE(symname) \
+ extern char symname##_start[], symname##_end[]; \
+ extern struct page *symname##_pages[]
+
#if defined CONFIG_X86_32 || defined CONFIG_COMPAT
#include <asm/vdso32.h>
+DECLARE_VDSO_IMAGE(vdso32_int80);
+#ifdef CONFIG_COMPAT
+DECLARE_VDSO_IMAGE(vdso32_syscall);
+#endif
+DECLARE_VDSO_IMAGE(vdso32_sysenter);
+
extern const char VDSO32_PRELINK[];
/*
@@ -27,4 +63,6 @@ extern void __user __kernel_rt_sigreturn;
void __init patch_vdso32(void *vdso, size_t len);
+#endif /* __ASSEMBLER__ */
+
#endif /* _ASM_X86_VDSO_H */
diff --git a/arch/x86/vdso/vdso.S b/arch/x86/vdso/vdso.S
index c749d15da2e9..be3f23b09af5 100644
--- a/arch/x86/vdso/vdso.S
+++ b/arch/x86/vdso/vdso.S
@@ -1,3 +1,3 @@
-#include "vdso_image.h"
+#include <asm/vdso.h>
DEFINE_VDSO_IMAGE(vdso, "arch/x86/vdso/vdso.so")
diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c
index b45528ee8e19..791c1cb822c6 100644
--- a/arch/x86/vdso/vdso32-setup.c
+++ b/arch/x86/vdso/vdso32-setup.c
@@ -29,7 +29,6 @@
#include <asm/fixmap.h>
#include <asm/hpet.h>
#include <asm/vvar.h>
-#include "vdso_image.h"
#ifdef CONFIG_COMPAT_VDSO
#define VDSO_DEFAULT 0
@@ -42,12 +41,6 @@
#define arch_setup_additional_pages syscall32_setup_pages
#endif
-DECLARE_VDSO_IMAGE(vdso32_int80);
-#ifdef CONFIG_COMPAT
-DECLARE_VDSO_IMAGE(vdso32_syscall);
-#endif
-DECLARE_VDSO_IMAGE(vdso32_sysenter);
-
/*
* Should the kernel map a VDSO page into processes and pass its
* address down to glibc upon exec()?
diff --git a/arch/x86/vdso/vdso32.S b/arch/x86/vdso/vdso32.S
index cfa6adda110b..018bcd9f97b4 100644
--- a/arch/x86/vdso/vdso32.S
+++ b/arch/x86/vdso/vdso32.S
@@ -1,4 +1,4 @@
-#include "vdso_image.h"
+#include <asm/vdso.h>
DEFINE_VDSO_IMAGE(vdso32_int80, "arch/x86/vdso/vdso32-int80.so")
diff --git a/arch/x86/vdso/vdso_image.h b/arch/x86/vdso/vdso_image.h
deleted file mode 100644
index 1baa6bc517bf..000000000000
--- a/arch/x86/vdso/vdso_image.h
+++ /dev/null
@@ -1,30 +0,0 @@
-#ifndef _VDSO_IMAGE_H
-#define _VDSO_IMAGE_H
-
-#include <asm/page_types.h>
-#include <linux/linkage.h>
-
-#define DEFINE_VDSO_IMAGE(symname, filename) \
-__PAGE_ALIGNED_DATA ; \
- .globl symname##_start, symname##_end ; \
- .align PAGE_SIZE ; \
- symname##_start: ; \
- .incbin filename ; \
- symname##_end: ; \
- .align PAGE_SIZE /* extra data here leaks to userspace. */ ; \
- \
-.previous ; \
- \
- .globl symname##_pages ; \
- .bss ; \
- .align 8 ; \
- .type symname##_pages, @object ; \
- symname##_pages: ; \
- .zero (symname##_end - symname##_start + PAGE_SIZE - 1) / PAGE_SIZE * (BITS_PER_LONG / 8) ; \
- .size symname##_pages, .-symname##_pages
-
-#define DECLARE_VDSO_IMAGE(symname) \
- extern char symname##_start[], symname##_end[]; \
- extern struct page *symname##_pages[]
-
-#endif /* _VDSO_IMAGE_H */
diff --git a/arch/x86/vdso/vdsox32.S b/arch/x86/vdso/vdsox32.S
index 19a692778650..f4aa34e7f370 100644
--- a/arch/x86/vdso/vdsox32.S
+++ b/arch/x86/vdso/vdsox32.S
@@ -1,3 +1,3 @@
-#include "vdso_image.h"
+#include <asm/vdso.h>
DEFINE_VDSO_IMAGE(vdsox32, "arch/x86/vdso/vdsox32.so")
diff --git a/arch/x86/vdso/vma.c b/arch/x86/vdso/vma.c
index 6db0bbd876fd..1ad102613127 100644
--- a/arch/x86/vdso/vma.c
+++ b/arch/x86/vdso/vma.c
@@ -15,7 +15,6 @@
#include <asm/proto.h>
#include <asm/vdso.h>
#include <asm/page.h>
-#include "vdso_image.h"
#if defined(CONFIG_X86_64)
unsigned int __read_mostly vdso_enabled = 1;