/* * 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. */ #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_vsyscall = __kernel_vsyscall; VDSO32_sigreturn = __kernel_sigreturn; VDSO32_rt_sigreturn = __kernel_rt_sigreturn;