diff options
Diffstat (limited to 'arch/um/kernel/tt/trap_user.c')
-rw-r--r-- | arch/um/kernel/tt/trap_user.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/arch/um/kernel/tt/trap_user.c b/arch/um/kernel/tt/trap_user.c deleted file mode 100644 index 3032eb5e246..00000000000 --- a/arch/um/kernel/tt/trap_user.c +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#include <stdlib.h> -#include <errno.h> -#include <signal.h> -#include "sysdep/ptrace.h" -#include "sysdep/sigcontext.h" -#include "kern_util.h" -#include "task.h" -#include "tt.h" -#include "os.h" - -void sig_handler_common_tt(int sig, void *sc_ptr) -{ - struct sigcontext *sc = sc_ptr; - struct tt_regs save_regs, *r; - int save_errno = errno, is_user = 0; - void (*handler)(int, union uml_pt_regs *); - - /* 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. - */ - if(sig == SIGSEGV) - change_sig(SIGSEGV, 1); - - r = &TASK_REGS(get_current())->tt; - if ( sig == SIGFPE || sig == SIGSEGV || - sig == SIGBUS || sig == SIGILL || - sig == SIGTRAP ) { - GET_FAULTINFO_FROM_SC(r->faultinfo, sc); - } - save_regs = *r; - if (sc) - is_user = user_context(SC_SP(sc)); - r->sc = sc; - if(sig != SIGUSR2) - r->syscall = -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); - - if(is_user){ - interrupt_end(); - block_signals(); - set_user_mode(NULL); - } - *r = save_regs; - errno = save_errno; -} - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ |