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authorIngo Molnar <mingo@kernel.org>2015-06-03 18:05:44 +0200
committerIngo Molnar <mingo@kernel.org>2015-06-03 18:51:37 +0200
commitd603c8e184d882cc3f55c599f4185bad956ee0a7 (patch)
tree9af00f42ddd7fbdc1192e5708caaa3ef85103175 /arch/x86/entry/vdso/vdso.lds.S
parentx86/asm/entry: Move the compat syscall entry code to arch/x86/entry/ (diff)
downloadlinux-dev-d603c8e184d882cc3f55c599f4185bad956ee0a7.tar.xz
linux-dev-d603c8e184d882cc3f55c599f4185bad956ee0a7.zip
x86/asm/entry, x86/vdso: Move the vDSO code to arch/x86/entry/vdso/
Cc: Borislav Petkov <bp@alien8.de> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: Brian Gerst <brgerst@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/entry/vdso/vdso.lds.S')
-rw-r--r--arch/x86/entry/vdso/vdso.lds.S29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/x86/entry/vdso/vdso.lds.S b/arch/x86/entry/vdso/vdso.lds.S
new file mode 100644
index 000000000000..6807932643c2
--- /dev/null
+++ b/arch/x86/entry/vdso/vdso.lds.S
@@ -0,0 +1,29 @@
+/*
+ * Linker script for 64-bit vDSO.
+ * We #include the file to define the layout details.
+ *
+ * This file defines the version script giving the user-exported symbols in
+ * the DSO.
+ */
+
+#define BUILD_VDSO64
+
+#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: *;
+ };
+}