ea2ba7dc3d
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>
59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/*
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* Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
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* Licensed under the GPL
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*/
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#include <stdlib.h>
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#include <errno.h>
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#include <setjmp.h>
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#include <signal.h>
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#include <sys/time.h>
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#include <sys/wait.h>
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#include <asm/page.h>
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#include <asm/unistd.h>
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#include <asm/ptrace.h>
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#include "init.h"
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#include "sysdep/ptrace.h"
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#include "sigcontext.h"
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#include "sysdep/sigcontext.h"
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#include "irq_user.h"
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#include "time_user.h"
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#include "task.h"
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#include "mode.h"
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#include "choose-mode.h"
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#include "kern_util.h"
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#include "user_util.h"
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#include "os.h"
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void segv_handler(int sig, union uml_pt_regs *regs)
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{
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struct faultinfo * fi = UPT_FAULTINFO(regs);
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if(UPT_IS_USER(regs) && !SEGV_IS_FIXABLE(fi)){
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bad_segv(*fi, UPT_IP(regs));
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return;
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}
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segv(*fi, UPT_IP(regs), UPT_IS_USER(regs), regs);
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}
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void usr2_handler(int sig, union uml_pt_regs *regs)
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{
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CHOOSE_MODE(syscall_handler_tt(sig, regs), (void) 0);
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}
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void (*sig_info[NSIG])(int, union uml_pt_regs *);
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void os_fill_handlinfo(struct kern_handlers h)
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{
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sig_info[SIGTRAP] = h.relay_signal;
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sig_info[SIGFPE] = h.relay_signal;
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sig_info[SIGILL] = h.relay_signal;
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sig_info[SIGWINCH] = h.winch;
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sig_info[SIGBUS] = h.bus_handler;
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sig_info[SIGSEGV] = h.page_fault;
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sig_info[SIGIO] = h.sigio_handler;
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sig_info[SIGVTALRM] = h.timer_handler;
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sig_info[SIGALRM] = h.timer_handler;
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sig_info[SIGUSR2] = usr2_handler;
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}
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