2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
9 #include "sysdep/ptrace.h"
10 #include "signal_user.h"
11 #include "user_util.h"
12 #include "kern_util.h"
16 void sig_handler_common_tt(int sig, void *sc_ptr)
18 struct sigcontext *sc = sc_ptr;
19 struct tt_regs save_regs, *r;
20 struct signal_info *info;
21 int save_errno = errno, is_user;
23 unprotect_kernel_mem();
25 /* This is done because to allow SIGSEGV to be delivered inside a SEGV
26 * handler. This can happen in copy_user, and if SEGV is disabled,
27 * the process will die.
30 change_sig(SIGSEGV, 1);
32 r = &TASK_REGS(get_current())->tt;
34 is_user = user_context(SC_SP(sc));
39 info = &sig_info[sig];
40 if(!info->is_irq) unblock_signals();
42 (*info->handler)(sig, (union uml_pt_regs *) r);
51 if(is_user) protect_kernel_mem();
55 * Overrides for Emacs so that we follow Linus's tabbing style.
56 * Emacs will notice this stuff at the end of the file and automatically
57 * adjust the settings for this buffer only. This must remain at the end
59 * ---------------------------------------------------------------------------
61 * c-file-style: "linux"