projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 77ef50a5 VN |
1 | #ifndef ASM_X86__VDSO_H |
| 2 | #define ASM_X86__VDSO_H | |
| 7f3646aa | 3 | |
| 6c3652ef | 4 | #ifdef CONFIG_X86_64 |
| 7f3646aa RM |
5 | extern const char VDSO64_PRELINK[]; |
| 6 | ||
| 7 | /* | |
| 8 | * Given a pointer to the vDSO image, find the pointer to VDSO64_name | |
| 9 | * as that symbol is defined in the vDSO sources or linker script. | |
| 10 | */ | |
| ac1a7b0e JP |
11 | #define VDSO64_SYMBOL(base, name) \ |
| 12 | ({ \ | |
| 13 | extern const char VDSO64_##name[]; \ | |
| 14 | (void *)(VDSO64_##name - VDSO64_PRELINK + (unsigned long)(base)); \ | |
| 15 | }) | |
| 6c3652ef RM |
16 | #endif |
| 17 | ||
| 18 | #if defined CONFIG_X86_32 || defined CONFIG_COMPAT | |
| 19 | extern const char VDSO32_PRELINK[]; | |
| 20 | ||
| 21 | /* | |
| 22 | * Given a pointer to the vDSO image, find the pointer to VDSO32_name | |
| 23 | * as that symbol is defined in the vDSO sources or linker script. | |
| 24 | */ | |
| ac1a7b0e JP |
25 | #define VDSO32_SYMBOL(base, name) \ |
| 26 | ({ \ | |
| 27 | extern const char VDSO32_##name[]; \ | |
| 28 | (void *)(VDSO32_##name - VDSO32_PRELINK + (unsigned long)(base)); \ | |
| 29 | }) | |
| 6c3652ef | 30 | #endif |
| 7f3646aa | 31 | |
| eee6dd15 IM |
32 | /* |
| 33 | * These symbols are defined with the addresses in the vsyscall page. | |
| 34 | * See vsyscall-sigreturn.S. | |
| 35 | */ | |
| 36 | extern void __user __kernel_sigreturn; | |
| 37 | extern void __user __kernel_rt_sigreturn; | |
| 38 | ||
| 6a52e4b1 JF |
39 | /* |
| 40 | * These symbols are defined by vdso32.S to mark the bounds | |
| 41 | * of the ELF DSO images included therein. | |
| 42 | */ | |
| 43 | extern const char vdso32_int80_start, vdso32_int80_end; | |
| 44 | extern const char vdso32_syscall_start, vdso32_syscall_end; | |
| 45 | extern const char vdso32_sysenter_start, vdso32_sysenter_end; | |
| 46 | ||
| 77ef50a5 | 47 | #endif /* ASM_X86__VDSO_H */ |