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authorKevin2014-11-15 09:58:27 +0800
committerKevin2014-11-15 09:58:27 +0800
commit392e8802486cb573b916e746010e141a75f507e6 (patch)
tree50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/arch/x86/vdso/vdso.S
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init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/vdso/vdso.S')
-rw-r--r--ANDROID_3.4.5/arch/x86/vdso/vdso.S22
1 files changed, 22 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/x86/vdso/vdso.S b/ANDROID_3.4.5/arch/x86/vdso/vdso.S
new file mode 100644
index 00000000..01f5e3b4
--- /dev/null
+++ b/ANDROID_3.4.5/arch/x86/vdso/vdso.S
@@ -0,0 +1,22 @@
+#include <asm/page_types.h>
+#include <linux/linkage.h>
+#include <linux/init.h>
+
+__PAGE_ALIGNED_DATA
+
+ .globl vdso_start, vdso_end
+ .align PAGE_SIZE
+vdso_start:
+ .incbin "arch/x86/vdso/vdso.so"
+vdso_end:
+ .align PAGE_SIZE /* extra data here leaks to userspace. */
+
+.previous
+
+ .globl vdso_pages
+ .bss
+ .align 8
+ .type vdso_pages, @object
+vdso_pages:
+ .zero (vdso_end - vdso_start + PAGE_SIZE - 1) / PAGE_SIZE * 8
+ .size vdso_pages, .-vdso_pages