diff options
author | Paul Mackerras <paulus@samba.org> | 2008-01-31 11:25:51 +1100 |
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committer | Paul Mackerras <paulus@samba.org> | 2008-01-31 11:25:51 +1100 |
commit | bd45ac0c5daae35e7c71138172e63df5cf644cf6 (patch) | |
tree | 5eb5a599bf6a9d7a8a34e802db932aa9e9555de4 /arch/x86/vdso/vdso32/vdso32.lds.S | |
parent | 4eece4ccf997c0e6d8fdad3d842e37b16b8d705f (diff) | |
parent | 5bdeae46be6dfe9efa44a548bd622af325f4bdb4 (diff) |
Merge branch 'linux-2.6'
Diffstat (limited to 'arch/x86/vdso/vdso32/vdso32.lds.S')
-rw-r--r-- | arch/x86/vdso/vdso32/vdso32.lds.S | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/x86/vdso/vdso32/vdso32.lds.S b/arch/x86/vdso/vdso32/vdso32.lds.S new file mode 100644 index 00000000000..976124bb5f9 --- /dev/null +++ b/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; |