From ea2ba7dc3dd3f85034e6da6abacc813d723a2ad5 Mon Sep 17 00:00:00 2001 From: Gennady Sharapov Date: Sun, 8 Jan 2006 01:01:31 -0800 Subject: [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 Signed-off-by: Jeff Dike Cc: Paolo 'Blaisorblade' Giarrusso Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/um/kernel/skas/Makefile | 2 +- arch/um/kernel/skas/trap_user.c | 78 ----------------------------------------- 2 files changed, 1 insertion(+), 79 deletions(-) delete mode 100644 arch/um/kernel/skas/trap_user.c (limited to 'arch/um/kernel/skas') 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 -#include -#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, ®s->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: - */ -- cgit v1.2.3