| linux_sysvec.c (102808) | linux_sysvec.c (102814) |
|---|---|
| 1/*- 2 * Copyright (c) 1994-1996 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * | 1/*- 2 * Copyright (c) 1994-1996 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * |
| 28 * $FreeBSD: head/sys/i386/linux/linux_sysvec.c 102808 2002-09-01 21:41:24Z jake $ | 28 * $FreeBSD: head/sys/i386/linux/linux_sysvec.c 102814 2002-09-01 22:30:27Z iedowse $ |
| 29 */ 30 31/* XXX we use functions that might not exist. */ 32#include "opt_compat.h" 33 34#ifndef COMPAT_43 35#error "Unable to compile Linux-emulator due to missing COMPAT_43 option!" 36#endif 37 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/imgact.h> 41#include <sys/imgact_aout.h> 42#include <sys/imgact_elf.h> 43#include <sys/lock.h> 44#include <sys/malloc.h> 45#include <sys/mutex.h> 46#include <sys/proc.h> 47#include <sys/signalvar.h> | 29 */ 30 31/* XXX we use functions that might not exist. */ 32#include "opt_compat.h" 33 34#ifndef COMPAT_43 35#error "Unable to compile Linux-emulator due to missing COMPAT_43 option!" 36#endif 37 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/imgact.h> 41#include <sys/imgact_aout.h> 42#include <sys/imgact_elf.h> 43#include <sys/lock.h> 44#include <sys/malloc.h> 45#include <sys/mutex.h> 46#include <sys/proc.h> 47#include <sys/signalvar.h> |
| 48#include <sys/syscallsubr.h> |
|
| 48#include <sys/sysent.h> 49#include <sys/sysproto.h> 50 51#include <vm/vm.h> 52#include <vm/vm_param.h> 53#include <vm/vm_page.h> 54#include <vm/vm_extern.h> 55#include <sys/exec.h> --- 536 unchanged lines hidden (view full) --- 592 * a machine fault. 593 */ 594int 595linux_rt_sigreturn(td, args) 596 struct thread *td; 597 struct linux_rt_sigreturn_args *args; 598{ 599 struct proc *p = td->td_proc; | 49#include <sys/sysent.h> 50#include <sys/sysproto.h> 51 52#include <vm/vm.h> 53#include <vm/vm_param.h> 54#include <vm/vm_page.h> 55#include <vm/vm_extern.h> 56#include <sys/exec.h> --- 536 unchanged lines hidden (view full) --- 593 * a machine fault. 594 */ 595int 596linux_rt_sigreturn(td, args) 597 struct thread *td; 598 struct linux_rt_sigreturn_args *args; 599{ 600 struct proc *p = td->td_proc; |
| 600 struct sigaltstack_args sasargs; | |
| 601 struct l_ucontext uc; 602 struct l_sigcontext *context; 603 l_stack_t *lss; | 601 struct l_ucontext uc; 602 struct l_sigcontext *context; 603 l_stack_t *lss; |
| 604 stack_t *ss; | 604 stack_t ss; |
| 605 register struct trapframe *regs; 606 int eflags; | 605 register struct trapframe *regs; 606 int eflags; |
| 607 caddr_t sg = stackgap_init(); | |
| 608 609 regs = td->td_frame; 610 611#ifdef DEBUG 612 if (ldebug(rt_sigreturn)) 613 printf(ARGS(rt_sigreturn, "%p"), (void *)args->ucp); 614#endif 615 /* --- 60 unchanged lines hidden (view full) --- 676 regs->tf_cs = context->sc_cs; 677 regs->tf_eflags = eflags; 678 regs->tf_esp = context->sc_esp_at_signal; 679 regs->tf_ss = context->sc_ss; 680 681 /* 682 * call sigaltstack & ignore results.. 683 */ | 607 608 regs = td->td_frame; 609 610#ifdef DEBUG 611 if (ldebug(rt_sigreturn)) 612 printf(ARGS(rt_sigreturn, "%p"), (void *)args->ucp); 613#endif 614 /* --- 60 unchanged lines hidden (view full) --- 675 regs->tf_cs = context->sc_cs; 676 regs->tf_eflags = eflags; 677 regs->tf_esp = context->sc_esp_at_signal; 678 regs->tf_ss = context->sc_ss; 679 680 /* 681 * call sigaltstack & ignore results.. 682 */ |
| 684 ss = stackgap_alloc(&sg, sizeof(stack_t)); | |
| 685 lss = &uc.uc_stack; | 683 lss = &uc.uc_stack; |
| 686 ss->ss_sp = lss->ss_sp; 687 ss->ss_size = lss->ss_size; 688 ss->ss_flags = linux_to_bsd_sigaltstack(lss->ss_flags); | 684 ss.ss_sp = lss->ss_sp; 685 ss.ss_size = lss->ss_size; 686 ss.ss_flags = linux_to_bsd_sigaltstack(lss->ss_flags); |
| 689 690#ifdef DEBUG 691 if (ldebug(rt_sigreturn)) 692 printf(LMSG("rt_sigret flags: 0x%x, sp: %p, ss: 0x%x, mask: 0x%x"), | 687 688#ifdef DEBUG 689 if (ldebug(rt_sigreturn)) 690 printf(LMSG("rt_sigret flags: 0x%x, sp: %p, ss: 0x%x, mask: 0x%x"), |
| 693 ss->ss_flags, ss->ss_sp, ss->ss_size, context->sc_mask); | 691 ss.ss_flags, ss.ss_sp, ss.ss_size, context->sc_mask); |
| 694#endif | 692#endif |
| 695 sasargs.ss = ss; 696 sasargs.oss = NULL; 697 (void) sigaltstack(td, &sasargs); | 693 (void)kern_sigaltstack(td, &ss, NULL); |
| 698 699 return (EJUSTRETURN); 700} 701 702/* 703 * MPSAFE 704 */ 705static void --- 189 unchanged lines hidden --- | 694 695 return (EJUSTRETURN); 696} 697 698/* 699 * MPSAFE 700 */ 701static void --- 189 unchanged lines hidden --- |