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Diffstat (limited to 'arch/um/include/sysdep-x86_64/sigcontext.h')
-rw-r--r--arch/um/include/sysdep-x86_64/sigcontext.h28
1 files changed, 1 insertions, 27 deletions
diff --git a/arch/um/include/sysdep-x86_64/sigcontext.h b/arch/um/include/sysdep-x86_64/sigcontext.h
index 41073235e7ad..0155133b1458 100644
--- a/arch/um/include/sysdep-x86_64/sigcontext.h
+++ b/arch/um/include/sysdep-x86_64/sigcontext.h
@@ -11,43 +11,17 @@
11 11
12#define IP_RESTART_SYSCALL(ip) ((ip) -= 2) 12#define IP_RESTART_SYSCALL(ip) ((ip) -= 2)
13 13
14#define SC_RESTART_SYSCALL(sc) IP_RESTART_SYSCALL(SC_IP(sc)) 14#define GET_FAULTINFO_FROM_SC(fi, sc) \
15#define SC_SET_SYSCALL_RETURN(sc, result) SC_RAX(sc) = (result)
16
17#define SC_FAULT_ADDR(sc) SC_CR2(sc)
18#define SC_FAULT_TYPE(sc) SC_ERR(sc)
19
20#define GET_FAULTINFO_FROM_SC(fi,sc) \
21 { \ 15 { \
22 (fi).cr2 = SC_CR2(sc); \ 16 (fi).cr2 = SC_CR2(sc); \
23 (fi).error_code = SC_ERR(sc); \ 17 (fi).error_code = SC_ERR(sc); \
24 (fi).trap_no = SC_TRAPNO(sc); \ 18 (fi).trap_no = SC_TRAPNO(sc); \
25 } 19 }
26 20
27/* ptrace expects that, at the start of a system call, %eax contains
28 * -ENOSYS, so this makes it so.
29 */
30
31#define SC_START_SYSCALL(sc) do SC_RAX(sc) = -ENOSYS; while(0)
32
33/* This is Page Fault */ 21/* This is Page Fault */
34#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) 22#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14)
35 23
36/* No broken SKAS API, which doesn't pass trap_no, here. */ 24/* No broken SKAS API, which doesn't pass trap_no, here. */
37#define SEGV_MAYBE_FIXABLE(fi) 0 25#define SEGV_MAYBE_FIXABLE(fi) 0
38 26
39extern unsigned long *sc_sigmask(void *sc_ptr);
40
41#endif 27#endif
42
43/*
44 * Overrides for Emacs so that we follow Linus's tabbing style.
45 * Emacs will notice this stuff at the end of the file and automatically
46 * adjust the settings for this buffer only. This must remain at the end
47 * of the file.
48 * ---------------------------------------------------------------------------
49 * Local variables:
50 * c-file-style: "linux"
51 * End:
52 */
53