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Diffstat (limited to 'arch/um/os-Linux/skas/trap.c')
-rw-r--r--arch/um/os-Linux/skas/trap.c73
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 a19a74f08fa9..000000000000
--- a/arch/um/os-Linux/skas/trap.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- * Licensed under the GPL
- */
-
-#include <errno.h>
-#include <signal.h>
-#include "sysdep/ptrace.h"
-#include "kern_constants.h"
-#include "as-layout.h"
-#include "kern_util.h"
-#include "os.h"
-#include "sigcontext.h"
-#include "task.h"
-
-void (*sig_info[NSIG])(int, struct uml_pt_regs *) = {
- [SIGTRAP] = relay_signal,
- [SIGFPE] = relay_signal,
- [SIGILL] = relay_signal,
- [SIGWINCH] = winch,
- [SIGBUS] = bus_handler,
- [SIGSEGV] = segv_handler,
- [SIGIO] = sigio_handler,
- [SIGVTALRM] = timer_handler };
-
-static struct uml_pt_regs ksig_regs[UM_NR_CPUS];
-
-void sig_handler_common_skas(int sig, void *sc_ptr)
-{
- struct sigcontext *sc = sc_ptr;
- struct uml_pt_regs *r;
- void (*handler)(int, struct 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->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 SIGVTALRM, SIGIO if sig isn't IRQ signal */
- if ((sig != SIGIO) && (sig != SIGWINCH) && (sig != SIGVTALRM))
- unblock_signals();
-
- handler(sig, r);
-
- errno = save_errno;
- r->is_user = save_user;
-}