From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001 From: Kevin Date: Sat, 15 Nov 2014 09:58:27 +0800 Subject: init android origin source code --- ANDROID_3.4.5/arch/x86/vdso/vdso32/vdso32.lds.S | 37 +++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 ANDROID_3.4.5/arch/x86/vdso/vdso32/vdso32.lds.S (limited to 'ANDROID_3.4.5/arch/x86/vdso/vdso32/vdso32.lds.S') diff --git a/ANDROID_3.4.5/arch/x86/vdso/vdso32/vdso32.lds.S b/ANDROID_3.4.5/arch/x86/vdso/vdso32/vdso32.lds.S new file mode 100644 index 00000000..976124bb --- /dev/null +++ b/ANDROID_3.4.5/arch/x86/vdso/vdso32/vdso32.lds.S @@ -0,0 +1,37 @@ +/* + * Linker script for 32-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 0 +#include "../vdso-layout.lds.S" + +/* The ELF entry point can be used to set the AT_SYSINFO value. */ +ENTRY(__kernel_vsyscall); + +/* + * This controls what userland symbols we export from the vDSO. + */ +VERSION +{ + LINUX_2.5 { + global: + __kernel_vsyscall; + __kernel_sigreturn; + __kernel_rt_sigreturn; + local: *; + }; +} + +/* + * Symbols we define here called VDSO* get their values into vdso32-syms.h. + */ +VDSO32_PRELINK = VDSO_PRELINK; +VDSO32_vsyscall = __kernel_vsyscall; +VDSO32_sigreturn = __kernel_sigreturn; +VDSO32_rt_sigreturn = __kernel_rt_sigreturn; -- cgit