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authorTony Lindgren <tony@atomide.com>2011-11-07 12:27:23 -0800
committerTony Lindgren <tony@atomide.com>2011-11-07 12:27:23 -0800
commitd30cc16c8e48368e0518f4975a78711e53e14a0f (patch)
tree26b57f7ab5a963cc3d6c57dff6951bd930875583 /arch/x86/um/vdso/vdso.lds.S
parent41eb2d813f558900884e240c2f723e36c7bd151f (diff)
parenta1bcc1dcef8451b4291ea2a1b2677cb194102952 (diff)
downloadop-kernel-dev-d30cc16c8e48368e0518f4975a78711e53e14a0f.zip
op-kernel-dev-d30cc16c8e48368e0518f4975a78711e53e14a0f.tar.gz
Merge branch 'fixes-modulesplit' into fixes
Diffstat (limited to 'arch/x86/um/vdso/vdso.lds.S')
-rw-r--r--arch/x86/um/vdso/vdso.lds.S32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/x86/um/vdso/vdso.lds.S b/arch/x86/um/vdso/vdso.lds.S
new file mode 100644
index 0000000..b96b267
--- /dev/null
+++ b/arch/x86/um/vdso/vdso.lds.S
@@ -0,0 +1,32 @@
+/*
+ * Linker script for 64-bit vDSO.
+ * We #include the file to define the layout details.
+ * Here we only choose the prelinked virtual address.
+ *
+ * This file defines the version script giving the user-exported symbols in
+ * the DSO. We can define local symbols here called VDSO* to make their
+ * values visible using the asm-x86/vdso.h macros from the kernel proper.
+ */
+
+#define VDSO_PRELINK 0xffffffffff700000
+#include "vdso-layout.lds.S"
+
+/*
+ * This controls what userland symbols we export from the vDSO.
+ */
+VERSION {
+ LINUX_2.6 {
+ global:
+ clock_gettime;
+ __vdso_clock_gettime;
+ gettimeofday;
+ __vdso_gettimeofday;
+ getcpu;
+ __vdso_getcpu;
+ time;
+ __vdso_time;
+ local: *;
+ };
+}
+
+VDSO64_PRELINK = VDSO_PRELINK;
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