2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
9 #include "sysdep/ptrace.h"
10 #include "sysdep/sigcontext.h"
11 #include "user_util.h"
12 #include "kern_util.h"
17 void sig_handler_common_tt(int sig, void *sc_ptr)
19 struct sigcontext *sc = sc_ptr;
20 struct tt_regs save_regs, *r;
21 int save_errno = errno, is_user;
22 void (*handler)(int, union uml_pt_regs *);
24 /* This is done because to allow SIGSEGV to be delivered inside a SEGV
25 * handler. This can happen in copy_user, and if SEGV is disabled,
26 * the process will die.
29 change_sig(SIGSEGV, 1);
31 r = &TASK_REGS(get_current())->tt;
32 if ( sig == SIGFPE || sig == SIGSEGV ||
33 sig == SIGBUS || sig == SIGILL ||
35 GET_FAULTINFO_FROM_SC(r->faultinfo, sc);
38 is_user = user_context(SC_SP(sc));
43 handler = sig_info[sig];
45 /* unblock SIGALRM, SIGVTALRM, SIGIO if sig isn't IRQ signal */
46 if (sig != SIGIO && sig != SIGWINCH &&
47 sig != SIGVTALRM && sig != SIGALRM)
50 handler(sig, (union uml_pt_regs *) r);
62 * Overrides for Emacs so that we follow Linus's tabbing style.
63 * Emacs will notice this stuff at the end of the file and automatically
64 * adjust the settings for this buffer only. This must remain at the end
66 * ---------------------------------------------------------------------------
68 * c-file-style: "linux"