diff options
Diffstat (limited to 'include/asm-x86_64/vsyscall32.h')
-rw-r--r-- | include/asm-x86_64/vsyscall32.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/asm-x86_64/vsyscall32.h b/include/asm-x86_64/vsyscall32.h new file mode 100644 index 000000000000..c631c082f8f7 --- /dev/null +++ b/include/asm-x86_64/vsyscall32.h | |||
@@ -0,0 +1,20 @@ | |||
1 | #ifndef _ASM_VSYSCALL32_H | ||
2 | #define _ASM_VSYSCALL32_H 1 | ||
3 | |||
4 | /* Values need to match arch/x86_64/ia32/vsyscall.lds */ | ||
5 | |||
6 | #ifdef __ASSEMBLY__ | ||
7 | #define VSYSCALL32_BASE 0xffffe000 | ||
8 | #define VSYSCALL32_SYSEXIT (VSYSCALL32_BASE + 0x410) | ||
9 | #else | ||
10 | #define VSYSCALL32_BASE 0xffffe000UL | ||
11 | #define VSYSCALL32_END (VSYSCALL32_BASE + PAGE_SIZE) | ||
12 | #define VSYSCALL32_EHDR ((const struct elf32_hdr *) VSYSCALL32_BASE) | ||
13 | |||
14 | #define VSYSCALL32_VSYSCALL ((void *)VSYSCALL32_BASE + 0x400) | ||
15 | #define VSYSCALL32_SYSEXIT ((void *)VSYSCALL32_BASE + 0x410) | ||
16 | #define VSYSCALL32_SIGRETURN ((void __user *)VSYSCALL32_BASE + 0x500) | ||
17 | #define VSYSCALL32_RTSIGRETURN ((void __user *)VSYSCALL32_BASE + 0x600) | ||
18 | #endif | ||
19 | |||
20 | #endif | ||