diff options
Diffstat (limited to 'arch/um/os-Linux/skas/trap.c')
| -rw-r--r-- | arch/um/os-Linux/skas/trap.c | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/arch/um/os-Linux/skas/trap.c b/arch/um/os-Linux/skas/trap.c deleted file mode 100644 index 9ad5fbec459..00000000000 --- a/arch/um/os-Linux/skas/trap.c +++ /dev/null @@ -1,73 +0,0 @@ -/* - * Copyright (C) 2002 - 2003 Jeff Dike (jdike@addtoit.com) - * Licensed under the GPL - */ - -#include <signal.h> -#include <errno.h> -#include "user_util.h" -#include "kern_util.h" -#include "task.h" -#include "sigcontext.h" -#include "skas.h" -#include "ptrace_user.h" -#include "sysdep/ptrace.h" -#include "sysdep/ptrace_user.h" -#include "os.h" - -void sig_handler_common_skas(int sig, void *sc_ptr) -{ - struct sigcontext *sc = sc_ptr; - struct skas_regs *r; - void (*handler)(int, union uml_pt_regs *); - int save_errno = errno; - int save_user; - - /* This is done because to allow SIGSEGV to be delivered inside a SEGV - * handler. This can happen in copy_user, and if SEGV is disabled, - * the process will die. - * XXX Figure out why this is better than SA_NODEFER - */ - if(sig == SIGSEGV) - change_sig(SIGSEGV, 1); - - r = &TASK_REGS(get_current())->skas; - save_user = r->is_user; - r->is_user = 0; - if ( sig == SIGFPE || sig == SIGSEGV || - sig == SIGBUS || sig == SIGILL || - sig == SIGTRAP ) { - GET_FAULTINFO_FROM_SC(r->faultinfo, sc); - } - - change_sig(SIGUSR1, 1); - - handler = sig_info[sig]; - - /* unblock SIGALRM, SIGVTALRM, SIGIO if sig isn't IRQ signal */ - if (sig != SIGIO && sig != SIGWINCH && - sig != SIGVTALRM && sig != SIGALRM) - unblock_signals(); - - handler(sig, (union uml_pt_regs *) r); - - errno = save_errno; - r->is_user = save_user; -} - -extern int ptrace_faultinfo; - -void user_signal(int sig, union uml_pt_regs *regs, int pid) -{ - void (*handler)(int, union uml_pt_regs *); - int segv = ((sig == SIGFPE) || (sig == SIGSEGV) || (sig == SIGBUS) || - (sig == SIGILL) || (sig == SIGTRAP)); - - if (segv) - get_skas_faultinfo(pid, ®s->skas.faultinfo); - - handler = sig_info[sig]; - handler(sig, (union uml_pt_regs *) regs); - - unblock_signals(); -} |
