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Diffstat (limited to 'arch/um/include/sysdep-i386/sigcontext.h')
-rw-r--r--arch/um/include/sysdep-i386/sigcontext.h19
1 files changed, 7 insertions, 12 deletions
diff --git a/arch/um/include/sysdep-i386/sigcontext.h b/arch/um/include/sysdep-i386/sigcontext.h
index dfee589de360..1fe729265167 100644
--- a/arch/um/include/sysdep-i386/sigcontext.h
+++ b/arch/um/include/sysdep-i386/sigcontext.h
@@ -13,15 +13,12 @@
13#define SC_RESTART_SYSCALL(sc) IP_RESTART_SYSCALL(SC_IP(sc)) 13#define SC_RESTART_SYSCALL(sc) IP_RESTART_SYSCALL(SC_IP(sc))
14#define SC_SET_SYSCALL_RETURN(sc, result) SC_EAX(sc) = (result) 14#define SC_SET_SYSCALL_RETURN(sc, result) SC_EAX(sc) = (result)
15 15
16#define SC_FAULT_ADDR(sc) SC_CR2(sc) 16#define GET_FAULTINFO_FROM_SC(fi,sc) \
17#define SC_FAULT_TYPE(sc) SC_ERR(sc) 17 { \
18 18 (fi).cr2 = SC_CR2(sc); \
19#define FAULT_WRITE(err) (err & 2) 19 (fi).error_code = SC_ERR(sc); \
20#define TO_SC_ERR(is_write) ((is_write) ? 2 : 0) 20 (fi).trap_no = SC_TRAPNO(sc); \
21 21 }
22#define SC_FAULT_WRITE(sc) (FAULT_WRITE(SC_ERR(sc)))
23
24#define SC_TRAP_TYPE(sc) SC_TRAPNO(sc)
25 22
26/* ptrace expects that, at the start of a system call, %eax contains 23/* ptrace expects that, at the start of a system call, %eax contains
27 * -ENOSYS, so this makes it so. 24 * -ENOSYS, so this makes it so.
@@ -29,9 +26,7 @@
29#define SC_START_SYSCALL(sc) do SC_EAX(sc) = -ENOSYS; while(0) 26#define SC_START_SYSCALL(sc) do SC_EAX(sc) = -ENOSYS; while(0)
30 27
31/* This is Page Fault */ 28/* This is Page Fault */
32#define SEGV_IS_FIXABLE(trap) (trap == 14) 29#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14)
33
34#define SC_SEGV_IS_FIXABLE(sc) (SEGV_IS_FIXABLE(SC_TRAPNO(sc)))
35 30
36extern unsigned long *sc_sigmask(void *sc_ptr); 31extern unsigned long *sc_sigmask(void *sc_ptr);
37extern int sc_get_fpregs(unsigned long buf, void *sc_ptr); 32extern int sc_get_fpregs(unsigned long buf, void *sc_ptr);