2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
9 #include <asm/sigcontext.h>
10 #include "sysdep/ptrace.h"
11 #include "signal_user.h"
12 #include "user_util.h"
13 #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 struct signal_info *info;
22 int save_errno = errno, is_user;
24 unprotect_kernel_mem();
26 /* This is done because to allow SIGSEGV to be delivered inside a SEGV
27 * handler. This can happen in copy_user, and if SEGV is disabled,
28 * the process will die.
31 change_sig(SIGSEGV, 1);
33 /* This is done because to allow SIGSEGV to be delivered inside a SEGV
34 * handler. This can happen in copy_user, and if SEGV is disabled,
35 * the process will die.
38 change_sig(SIGSEGV, 1);
40 r = &TASK_REGS(get_current())->tt;
42 is_user = user_context(SC_SP(sc));
47 info = &sig_info[sig];
48 if(!info->is_irq) unblock_signals();
50 (*info->handler)(sig, (union uml_pt_regs *) r);
59 if(is_user) protect_kernel_mem();
63 * Overrides for Emacs so that we follow Linus's tabbing style.
64 * Emacs will notice this stuff at the end of the file and automatically
65 * adjust the settings for this buffer only. This must remain at the end
67 * ---------------------------------------------------------------------------
69 * c-file-style: "linux"