[PATCH] uml: move libc-dependent code from trap_user.c

The serial UML OS-abstraction layer patch (um/kernel dir).

This moves all systemcalls from trap_user.c file under os-Linux dir

Signed-off-by: Gennady Sharapov <Gennady.V.Sharapov@intel.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 1 insertions, 79 deletions

diff --git a/arch/um/kernel/skas/Makefile b/arch/um/kernel/skas/Makefile
index 8de471b59c1..7a9fc16d71d 100644
--- a/arch/um/kernel/skas/Makefile
+++ b/arch/um/kernel/skas/Makefile
@@ -4,7 +4,7 @@
 #
 
 obj-y := clone.o exec_kern.o mem.o mem_user.o mmu.o process.o process_kern.o \
-	syscall.o tlb.o trap_user.o uaccess.o
+	syscall.o tlb.o uaccess.o
 
 USER_OBJS := process.o clone.o
 
diff --git a/arch/um/kernel/skas/trap_user.c b/arch/um/kernel/skas/trap_user.c
deleted file mode 100644
index 28403d2cafe..00000000000
--- a/arch/um/kernel/skas/trap_user.c
+++ /dev/null
@@ -1,78 +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;
-	struct signal_info *info;
-	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);
-	info = &sig_info[sig];
-	if(!info->is_irq) unblock_signals();
-
-	(*info->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)
-{
-	struct signal_info *info;
-        int segv = ((sig == SIGFPE) || (sig == SIGSEGV) || (sig == SIGBUS) ||
-                    (sig == SIGILL) || (sig == SIGTRAP));
-
-	if (segv)
-		get_skas_faultinfo(pid, &regs->skas.faultinfo);
-	info = &sig_info[sig];
-	(*info->handler)(sig, regs);
-
-	unblock_signals();
-}
-
-/*
- * 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:
- */