diff options
Diffstat (limited to 'arch/um/os-Linux/skas/trap.c')
| -rw-r--r-- | arch/um/os-Linux/skas/trap.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/arch/um/os-Linux/skas/trap.c b/arch/um/os-Linux/skas/trap.c deleted file mode 100644 index 3b600c2e63b..00000000000 --- a/arch/um/os-Linux/skas/trap.c +++ /dev/null @@ -1,66 +0,0 @@ -/* - * Copyright (C) 2002 - 2003 Jeff Dike (jdike@addtoit.com) - * Licensed under the GPL - */ - -#include <signal.h> -#include <errno.h> -#include "kern_util.h" -#include "as-layout.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" - -static union uml_pt_regs ksig_regs[UM_NR_CPUS]; - -void sig_handler_common_skas(int sig, void *sc_ptr) -{ - struct sigcontext *sc = sc_ptr; - union uml_pt_regs *r; - void (*handler)(int, union uml_pt_regs *); - int save_user, save_errno = errno; - - /* 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); - /* For segfaults, we want the data from the - * sigcontext. In this case, we don't want to mangle - * the process registers, so use a static set of - * registers. For other signals, the process - * registers are OK. - */ - r = &ksig_regs[cpu()]; - copy_sc(r, sc_ptr); - } - else r = TASK_REGS(get_current()); - - save_user = r->skas.is_user; - r->skas.is_user = 0; - if ( sig == SIGFPE || sig == SIGSEGV || - sig == SIGBUS || sig == SIGILL || - sig == SIGTRAP ) { - GET_FAULTINFO_FROM_SC(r->skas.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, r); - - errno = save_errno; - r->skas.is_user = save_user; -} |
