projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1965aae3 PA |
1 | #ifndef _ASM_X86_VDSO_H |
| 2 | #define _ASM_X86_VDSO_H | |
| 7f3646aa | 3 | |
| 6c3652ef RM |
4 | #if defined CONFIG_X86_32 || defined CONFIG_COMPAT |
| 5 | extern const char VDSO32_PRELINK[]; | |
| 6 | ||
| 7 | /* | |
| 8 | * Given a pointer to the vDSO image, find the pointer to VDSO32_name | |
| 9 | * as that symbol is defined in the vDSO sources or linker script. | |
| 10 | */ | |
| ac1a7b0e JP |
11 | #define VDSO32_SYMBOL(base, name) \ |
| 12 | ({ \ | |
| 13 | extern const char VDSO32_##name[]; \ | |
| 14 | (void *)(VDSO32_##name - VDSO32_PRELINK + (unsigned long)(base)); \ | |
| 15 | }) | |
| 6c3652ef | 16 | #endif |
| 7f3646aa | 17 | |
| eee6dd15 IM |
18 | /* |
| 19 | * These symbols are defined with the addresses in the vsyscall page. | |
| 20 | * See vsyscall-sigreturn.S. | |
| 21 | */ | |
| 22 | extern void __user __kernel_sigreturn; | |
| 23 | extern void __user __kernel_rt_sigreturn; | |
| 24 | ||
| 6a52e4b1 JF |
25 | /* |
| 26 | * These symbols are defined by vdso32.S to mark the bounds | |
| 27 | * of the ELF DSO images included therein. | |
| 28 | */ | |
| 29 | extern const char vdso32_int80_start, vdso32_int80_end; | |
| 30 | extern const char vdso32_syscall_start, vdso32_syscall_end; | |
| 31 | extern const char vdso32_sysenter_start, vdso32_sysenter_end; | |
| 32 | ||
| 1965aae3 | 33 | #endif /* _ASM_X86_VDSO_H */ |