37c975545e
The new symbols provide the same API as the 64-bit variants, so they should have the same symbol version name. This can't break userspace, since these symbols are new for 32-bit Linux. Signed-off-by: Andy Lutomirski <luto@amacapital.net> Cc: Stefani Seibold <stefani@seibold.net> Link: http://lkml.kernel.org/r/0a869bce03d25619565b1eee7d69a4fd15fd203a.1396124118.git.luto@amacapital.net Signed-off-by: H. Peter Anvin <hpa@zytor.com>
50 lines
1.1 KiB
ArmAsm
50 lines
1.1 KiB
ArmAsm
/*
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* Linker script for 32-bit vDSO.
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* We #include the file to define the layout details.
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* Here we only choose the prelinked virtual address.
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*
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* This file defines the version script giving the user-exported symbols in
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* the DSO. We can define local symbols here called VDSO* to make their
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* values visible using the asm-x86/vdso.h macros from the kernel proper.
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*/
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#include <asm/page.h>
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#define BUILD_VDSO32
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#define VDSO_PRELINK 0
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#include "../vdso-layout.lds.S"
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/* The ELF entry point can be used to set the AT_SYSINFO value. */
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ENTRY(__kernel_vsyscall);
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/*
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* This controls what userland symbols we export from the vDSO.
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*/
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VERSION
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{
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LINUX_2.6 {
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global:
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__vdso_clock_gettime;
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__vdso_gettimeofday;
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__vdso_time;
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};
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LINUX_2.5 {
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global:
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__kernel_vsyscall;
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__kernel_sigreturn;
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__kernel_rt_sigreturn;
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local: *;
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};
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}
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/*
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* Symbols we define here called VDSO* get their values into vdso32-syms.h.
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*/
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VDSO32_vsyscall = __kernel_vsyscall;
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VDSO32_sigreturn = __kernel_sigreturn;
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VDSO32_rt_sigreturn = __kernel_rt_sigreturn;
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VDSO32_clock_gettime = clock_gettime;
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VDSO32_gettimeofday = gettimeofday;
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VDSO32_time = time;
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