diff options
Diffstat (limited to 'arch/um/include')
| -rw-r--r-- | arch/um/include/sysdep-i386/sigcontext.h | 10 | ||||
| -rw-r--r-- | arch/um/include/sysdep-x86_64/sigcontext.h | 5 |
2 files changed, 13 insertions, 2 deletions
diff --git a/arch/um/include/sysdep-i386/sigcontext.h b/arch/um/include/sysdep-i386/sigcontext.h index 1fe729265167..23fd2644d7ed 100644 --- a/arch/um/include/sysdep-i386/sigcontext.h +++ b/arch/um/include/sysdep-i386/sigcontext.h @@ -6,6 +6,7 @@ #ifndef __SYS_SIGCONTEXT_I386_H #define __SYS_SIGCONTEXT_I386_H +#include "uml-config.h" #include <sysdep/sc.h> #define IP_RESTART_SYSCALL(ip) ((ip) -= 2) @@ -26,7 +27,14 @@ #define SC_START_SYSCALL(sc) do SC_EAX(sc) = -ENOSYS; while(0) /* This is Page Fault */ -#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) +#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) + +/* SKAS3 has no trap_no on i386, but get_skas_faultinfo() sets it to 0. */ +#ifdef UML_CONFIG_MODE_SKAS +#define SEGV_MAYBE_FIXABLE(fi) ((fi)->trap_no == 0 && ptrace_faultinfo) +#else +#define SEGV_MAYBE_FIXABLE(fi) 0 +#endif extern unsigned long *sc_sigmask(void *sc_ptr); extern int sc_get_fpregs(unsigned long buf, void *sc_ptr); diff --git a/arch/um/include/sysdep-x86_64/sigcontext.h b/arch/um/include/sysdep-x86_64/sigcontext.h index 2a78260d15a0..41073235e7ad 100644 --- a/arch/um/include/sysdep-x86_64/sigcontext.h +++ b/arch/um/include/sysdep-x86_64/sigcontext.h @@ -31,7 +31,10 @@ #define SC_START_SYSCALL(sc) do SC_RAX(sc) = -ENOSYS; while(0) /* This is Page Fault */ -#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) +#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) + +/* No broken SKAS API, which doesn't pass trap_no, here. */ +#define SEGV_MAYBE_FIXABLE(fi) 0 extern unsigned long *sc_sigmask(void *sc_ptr); |