diff options
Diffstat (limited to 'sys/ia64/ia32')
| -rw-r--r-- | sys/ia64/ia32/ia32_misc.c | 61 | ||||
| -rw-r--r-- | sys/ia64/ia32/ia32_reg.c | 80 | ||||
| -rw-r--r-- | sys/ia64/ia32/ia32_signal.c | 298 | ||||
| -rw-r--r-- | sys/ia64/ia32/ia32_trap.c | 282 |
4 files changed, 0 insertions, 721 deletions
diff --git a/sys/ia64/ia32/ia32_misc.c b/sys/ia64/ia32/ia32_misc.c deleted file mode 100644 index 148e31a..0000000 --- a/sys/ia64/ia32/ia32_misc.c +++ /dev/null @@ -1,61 +0,0 @@ -/*- - * Copyright (c) 2009 Konstantin Belousov - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include "opt_compat.h" - -#include <sys/param.h> -#include <sys/mount.h> -#include <sys/proc.h> -#include <sys/socket.h> -#include <sys/sysent.h> -#include <sys/sysproto.h> -#include <sys/systm.h> -#include <sys/uio.h> - -#include <compat/freebsd32/freebsd32_util.h> -#include <compat/freebsd32/freebsd32.h> -#include <compat/freebsd32/freebsd32_proto.h> - -int -freebsd32_sysarch(struct thread *td, struct freebsd32_sysarch_args *uap) -{ - - return (EOPNOTSUPP); -} - -#ifdef COMPAT_43 -int -ofreebsd32_getpagesize(struct thread *td, - struct ofreebsd32_getpagesize_args *uap) -{ - - td->td_retval[0] = IA32_PAGE_SIZE; - return (0); -} -#endif diff --git a/sys/ia64/ia32/ia32_reg.c b/sys/ia64/ia32/ia32_reg.c deleted file mode 100644 index ae47f72..0000000 --- a/sys/ia64/ia32/ia32_reg.c +++ /dev/null @@ -1,80 +0,0 @@ -/*- - * Copyright (c) 2005 Peter Wemm - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include "opt_compat.h" - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/proc.h> -#include <sys/procfs.h> - -int -fill_regs32(struct thread *td, struct reg32 *regs) -{ - - bzero(regs, sizeof(*regs)); - return (EOPNOTSUPP); -} - -int -set_regs32(struct thread *td, struct reg32 *regs) -{ - - return (EOPNOTSUPP); -} - -int -fill_fpregs32(struct thread *td, struct fpreg32 *regs) -{ - - bzero(regs, sizeof(*regs)); - return (EOPNOTSUPP); -} - -int -set_fpregs32(struct thread *td, struct fpreg32 *regs) -{ - - return (EOPNOTSUPP); -} - -int -fill_dbregs32(struct thread *td, struct dbreg32 *regs) -{ - - bzero(regs, sizeof(*regs)); - return (EOPNOTSUPP); -} - -int -set_dbregs32(struct thread *td, struct dbreg32 *regs) -{ - - return (EOPNOTSUPP); -} diff --git a/sys/ia64/ia32/ia32_signal.c b/sys/ia64/ia32/ia32_signal.c deleted file mode 100644 index d17f060..0000000 --- a/sys/ia64/ia32/ia32_signal.c +++ /dev/null @@ -1,298 +0,0 @@ -/*- - * Copyright (c) 2002 Doug Rabson - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include "opt_compat.h" - -#define __ELF_WORD_SIZE 32 - -#include <sys/param.h> -#include <sys/exec.h> -#include <sys/fcntl.h> -#include <sys/imgact.h> -#include <sys/kernel.h> -#include <sys/lock.h> -#include <sys/malloc.h> -#include <sys/mutex.h> -#include <sys/mman.h> -#include <sys/namei.h> -#include <sys/pioctl.h> -#include <sys/proc.h> -#include <sys/procfs.h> -#include <sys/resourcevar.h> -#include <sys/systm.h> -#include <sys/signalvar.h> -#include <sys/stat.h> -#include <sys/sx.h> -#include <sys/syscall.h> -#include <sys/sysctl.h> -#include <sys/sysent.h> -#include <sys/vnode.h> -#include <sys/imgact_elf.h> -#include <sys/sysproto.h> - -#include <machine/frame.h> -#include <machine/md_var.h> -#include <machine/pcb.h> - -#include <vm/vm.h> -#include <vm/vm_kern.h> -#include <vm/vm_param.h> -#include <vm/pmap.h> -#include <vm/vm_map.h> -#include <vm/vm_object.h> -#include <vm/vm_extern.h> - -#include <compat/freebsd32/freebsd32_signal.h> -#include <compat/freebsd32/freebsd32_util.h> -#include <compat/freebsd32/freebsd32_proto.h> -#include <compat/ia32/ia32_signal.h> -#include <x86/include/psl.h> -#include <x86/include/segments.h> -#include <x86/include/specialreg.h> - -char ia32_sigcode[] = { - 0xff, 0x54, 0x24, 0x10, /* call *SIGF_HANDLER(%esp) */ - 0x8d, 0x44, 0x24, 0x14, /* lea SIGF_UC(%esp),%eax */ - 0x50, /* pushl %eax */ - 0xf7, 0x40, 0x54, 0x00, 0x00, 0x02, 0x02, /* testl $PSL_VM,UC_EFLAGS(%ea -x) */ - 0x75, 0x03, /* jne 9f */ - 0x8e, 0x68, 0x14, /* movl UC_GS(%eax),%gs */ - 0xb8, 0x57, 0x01, 0x00, 0x00, /* 9: movl $SYS_sigreturn,%eax */ - 0x50, /* pushl %eax */ - 0xcd, 0x80, /* int $0x80 */ - 0xeb, 0xfe, /* 0: jmp 0b */ - 0 -}; -int sz_ia32_sigcode = sizeof(ia32_sigcode); - -#ifdef COMPAT_43 -int -ofreebsd32_sigreturn(struct thread *td, struct ofreebsd32_sigreturn_args *uap) -{ - - return (EOPNOTSUPP); -} -#endif - -/* - * Signal sending has not been implemented on ia64. This causes - * the sigtramp code to not understand the arguments and the application - * will generally crash if it tries to handle a signal. Calling - * sendsig() means that at least untrapped signals will work. - */ -void -ia32_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask) -{ - sendsig(catcher, ksi, mask); -} - -#ifdef COMPAT_FREEBSD4 -int -freebsd4_freebsd32_sigreturn(struct thread *td, struct freebsd4_freebsd32_sigreturn_args *uap) -{ - return (sys_sigreturn(td, (struct sigreturn_args *)uap)); -} -#endif - -int -freebsd32_sigreturn(struct thread *td, struct freebsd32_sigreturn_args *uap) -{ - return (sys_sigreturn(td, (struct sigreturn_args *)uap)); -} - - -void -ia32_setregs(struct thread *td, struct image_params *imgp, u_long stack) -{ - struct trapframe *tf = td->td_frame; - vm_offset_t gdt, ldt; - u_int64_t codesel, datasel, ldtsel; - u_int64_t codeseg, dataseg, gdtseg, ldtseg; - struct segment_descriptor desc; - struct vmspace *vmspace = td->td_proc->p_vmspace; - struct sysentvec *sv; - - sv = td->td_proc->p_sysent; - exec_setregs(td, imgp, stack); - - /* Non-syscall frames are cleared by exec_setregs() */ - if (tf->tf_flags & FRAME_SYSCALL) { - bzero(&tf->tf_scratch, sizeof(tf->tf_scratch)); - bzero(&tf->tf_scratch_fp, sizeof(tf->tf_scratch_fp)); - } else - tf->tf_special.ndirty = 0; - - tf->tf_special.psr |= IA64_PSR_IS; - tf->tf_special.sp = stack; - - /* Point the RSE backstore to something harmless. */ - tf->tf_special.bspstore = (sv->sv_psstrings - sz_ia32_sigcode - - SPARE_USRSPACE + 15) & ~15; - - codesel = LSEL(LUCODE_SEL, SEL_UPL); - datasel = LSEL(LUDATA_SEL, SEL_UPL); - ldtsel = GSEL(GLDT_SEL, SEL_UPL); - - /* Setup ia32 segment registers. */ - tf->tf_scratch.gr16 = (datasel << 48) | (datasel << 32) | - (datasel << 16) | datasel; - tf->tf_scratch.gr17 = (ldtsel << 32) | (datasel << 16) | codesel; - - /* - * Build the GDT and LDT. - */ - gdt = sv->sv_usrstack; - vm_map_find(&vmspace->vm_map, NULL, 0, &gdt, IA32_PAGE_SIZE << 1, 0, - VMFS_NO_SPACE, VM_PROT_ALL, VM_PROT_ALL, 0); - ldt = gdt + IA32_PAGE_SIZE; - - desc.sd_lolimit = 8*NLDT-1; - desc.sd_lobase = ldt & 0xffffff; - desc.sd_type = SDT_SYSLDT; - desc.sd_dpl = SEL_UPL; - desc.sd_p = 1; - desc.sd_hilimit = 0; - desc.sd_def32 = 0; - desc.sd_gran = 0; - desc.sd_hibase = ldt >> 24; - copyout(&desc, (caddr_t) gdt + 8*GLDT_SEL, sizeof(desc)); - - desc.sd_lolimit = ((sv->sv_usrstack >> 12) - 1) & 0xffff; - desc.sd_lobase = 0; - desc.sd_type = SDT_MEMERA; - desc.sd_dpl = SEL_UPL; - desc.sd_p = 1; - desc.sd_hilimit = ((sv->sv_usrstack >> 12) - 1) >> 16; - desc.sd_def32 = 1; - desc.sd_gran = 1; - desc.sd_hibase = 0; - copyout(&desc, (caddr_t) ldt + 8*LUCODE_SEL, sizeof(desc)); - desc.sd_type = SDT_MEMRWA; - copyout(&desc, (caddr_t) ldt + 8*LUDATA_SEL, sizeof(desc)); - - codeseg = 0 /* base */ - + (((sv->sv_usrstack >> 12) - 1) << 32) /* limit */ - + ((long)SDT_MEMERA << 52) - + ((long)SEL_UPL << 57) - + (1L << 59) /* present */ - + (1L << 62) /* 32 bits */ - + (1L << 63); /* page granularity */ - dataseg = 0 /* base */ - + (((sv->sv_usrstack >> 12) - 1) << 32) /* limit */ - + ((long)SDT_MEMRWA << 52) - + ((long)SEL_UPL << 57) - + (1L << 59) /* present */ - + (1L << 62) /* 32 bits */ - + (1L << 63); /* page granularity */ - - tf->tf_scratch.csd = codeseg; - tf->tf_scratch.ssd = dataseg; - tf->tf_scratch.gr24 = dataseg; /* ESD */ - tf->tf_scratch.gr27 = dataseg; /* DSD */ - tf->tf_scratch.gr28 = dataseg; /* FSD */ - tf->tf_scratch.gr29 = dataseg; /* GSD */ - - gdtseg = gdt /* base */ - + ((8L*NGDT - 1) << 32) /* limit */ - + ((long)SDT_SYSNULL << 52) - + ((long)SEL_UPL << 57) - + (1L << 59) /* present */ - + (0L << 62) /* 16 bits */ - + (0L << 63); /* byte granularity */ - ldtseg = ldt /* base */ - + ((8L*NLDT - 1) << 32) /* limit */ - + ((long)SDT_SYSLDT << 52) - + ((long)SEL_UPL << 57) - + (1L << 59) /* present */ - + (0L << 62) /* 16 bits */ - + (0L << 63); /* byte granularity */ - - tf->tf_scratch.gr30 = ldtseg; /* LDTD */ - tf->tf_scratch.gr31 = gdtseg; /* GDTD */ - - /* Set ia32 control registers on this processor. */ - ia64_set_cflg(CR0_PE | CR0_PG | ((long)(CR4_XMM | CR4_FXSR) << 32)); - ia64_set_eflag(PSL_USER); - - /* PS_STRINGS value for BSD/OS binaries. It is 0 for non-BSD/OS. */ - tf->tf_scratch.gr11 = td->td_proc->p_sysent->sv_psstrings; - - /* - * XXX - Linux emulator - * Make sure sure edx is 0x0 on entry. Linux binaries depend - * on it. - */ - td->td_retval[1] = 0; -} - -void -ia32_restorectx(struct pcb *pcb) -{ - - ia64_set_cflg(pcb->pcb_ia32_cflg); - ia64_set_eflag(pcb->pcb_ia32_eflag); - ia64_set_fcr(pcb->pcb_ia32_fcr); - ia64_set_fdr(pcb->pcb_ia32_fdr); - ia64_set_fir(pcb->pcb_ia32_fir); - ia64_set_fsr(pcb->pcb_ia32_fsr); -} - -void -ia32_savectx(struct pcb *pcb) -{ - - pcb->pcb_ia32_cflg = ia64_get_cflg(); - pcb->pcb_ia32_eflag = ia64_get_eflag(); - pcb->pcb_ia32_fcr = ia64_get_fcr(); - pcb->pcb_ia32_fdr = ia64_get_fdr(); - pcb->pcb_ia32_fir = ia64_get_fir(); - pcb->pcb_ia32_fsr = ia64_get_fsr(); -} - -int -freebsd32_getcontext(struct thread *td, struct freebsd32_getcontext_args *uap) -{ - - return (nosys(td, NULL)); -} - -int -freebsd32_setcontext(struct thread *td, struct freebsd32_setcontext_args *uap) -{ - - return (nosys(td, NULL)); -} - -int -freebsd32_swapcontext(struct thread *td, struct freebsd32_swapcontext_args *uap) -{ - - return (nosys(td, NULL)); -} diff --git a/sys/ia64/ia32/ia32_trap.c b/sys/ia64/ia32/ia32_trap.c deleted file mode 100644 index cea8f92..0000000 --- a/sys/ia64/ia32/ia32_trap.c +++ /dev/null @@ -1,282 +0,0 @@ -/*- - * Copyright (c) 2004 Marcel Moolenaar - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/ktr.h> -#include <sys/sysproto.h> -#include <sys/kernel.h> -#include <sys/lock.h> -#include <sys/mutex.h> -#include <sys/pioctl.h> -#include <sys/proc.h> -#include <sys/ptrace.h> -#include <sys/signalvar.h> -#include <sys/syscall.h> -#include <sys/sysent.h> -#include <machine/cpu.h> -#include <machine/fpu.h> -#include <machine/frame.h> -#include <machine/md_var.h> -#include <x86/include/psl.h> - -#include <security/audit/audit.h> - -#include <compat/ia32/ia32_util.h> - -void -ia32_set_syscall_retval(struct thread *td, int error) -{ - struct proc *p; - struct trapframe *tf; - - tf = td->td_frame; - - switch (error) { - case 0: - tf->tf_scratch.gr8 = td->td_retval[0]; /* eax */ - tf->tf_scratch.gr10 = td->td_retval[1]; /* edx */ - ia64_set_eflag(ia64_get_eflag() & ~PSL_C); - break; - - case ERESTART: - /* - * Reconstruct pc, assuming lcall $X,y is 7 bytes, - * int 0x80 is 2 bytes. XXX Assume int 0x80. - */ - tf->tf_special.iip -= 2; - break; - - case EJUSTRETURN: - break; - - default: - p = td->td_proc; - if (p->p_sysent->sv_errsize) { - if (error >= p->p_sysent->sv_errsize) - error = -1; /* XXX */ - else - error = p->p_sysent->sv_errtbl[error]; - } - tf->tf_scratch.gr8 = error; - ia64_set_eflag(ia64_get_eflag() | PSL_C); - break; - } -} - -int -ia32_fetch_syscall_args(struct thread *td, struct syscall_args *sa) -{ - struct trapframe *tf; - struct proc *p; - uint32_t args[8]; - caddr_t params; - int error, i; - - tf = td->td_frame; - p = td->td_proc; - - params = (caddr_t)(tf->tf_special.sp & ((1L<<32)-1)) + - sizeof(uint32_t); - sa->code = tf->tf_scratch.gr8; /* eax */ - - if (sa->code == SYS_syscall) { - /* Code is first argument, followed by actual args. */ - sa->code = fuword32(params); - params += sizeof(int); - } else if (sa->code == SYS___syscall) { - /* - * Like syscall, but code is a quad, so as to maintain - * quad alignment for the rest of the arguments. We - * use a 32-bit fetch in case params is not aligned. - */ - sa->code = fuword32(params); - params += sizeof(quad_t); - } - - if (p->p_sysent->sv_mask) - sa->code &= p->p_sysent->sv_mask; - if (sa->code >= p->p_sysent->sv_size) - sa->callp = &p->p_sysent->sv_table[0]; - else - sa->callp = &p->p_sysent->sv_table[sa->code]; - sa->narg = sa->callp->sy_narg; - - if (params != NULL && sa->narg != 0) - error = copyin(params, (caddr_t)args, sa->narg * sizeof(int)); - else - error = 0; - sa->args = &sa->args32[0]; - - if (error == 0) { - for (i = 0; i < sa->narg; i++) - sa->args32[i] = args[i]; - td->td_retval[0] = 0; - td->td_retval[1] = tf->tf_scratch.gr10; /* edx */ - } - - return (error); -} - -#include "../../kern/subr_syscall.c" - -static void -ia32_syscall(struct trapframe *tf) -{ - struct thread *td; - struct syscall_args sa; - register_t eflags; - int error; - ksiginfo_t ksi; - - td = curthread; - eflags = ia64_get_eflag(); - - error = syscallenter(td, &sa); - - /* - * Traced syscall. - */ - if ((eflags & PSL_T) && !(eflags & PSL_VM)) { - ia64_set_eflag(ia64_get_eflag() & ~PSL_T); - ksiginfo_init_trap(&ksi); - ksi.ksi_signo = SIGTRAP; - ksi.ksi_code = TRAP_TRACE; - ksi.ksi_addr = (void *)tf->tf_special.iip; - trapsignal(td, &ksi); - } - - syscallret(td, error, &sa); -} - -/* - * ia32_trap() is called from exception.S to handle the IA-32 specific - * interruption vectors. - */ -void -ia32_trap(int vector, struct trapframe *tf) -{ - struct proc *p; - struct thread *td; - uint64_t ucode; - int sig; - ksiginfo_t ksi; - - KASSERT(TRAPF_USERMODE(tf), ("%s: In kernel mode???", __func__)); - - ia64_set_fpsr(IA64_FPSR_DEFAULT); - PCPU_INC(cnt.v_trap); - - td = curthread; - td->td_frame = tf; - td->td_pticks = 0; - p = td->td_proc; - if (td->td_ucred != p->p_ucred) - cred_update_thread(td); - sig = 0; - ucode = 0; - switch (vector) { - case IA64_VEC_IA32_EXCEPTION: - switch ((tf->tf_special.isr >> 16) & 0xffff) { - case IA32_EXCEPTION_DIVIDE: - ucode = FPE_INTDIV; - sig = SIGFPE; - break; - case IA32_EXCEPTION_DEBUG: - case IA32_EXCEPTION_BREAK: - sig = SIGTRAP; - break; - case IA32_EXCEPTION_OVERFLOW: - ucode = FPE_INTOVF; - sig = SIGFPE; - break; - case IA32_EXCEPTION_BOUND: - ucode = FPE_FLTSUB; - sig = SIGFPE; - break; - case IA32_EXCEPTION_DNA: - ucode = 0; - sig = SIGFPE; - break; - case IA32_EXCEPTION_NOT_PRESENT: - case IA32_EXCEPTION_STACK_FAULT: - case IA32_EXCEPTION_GPFAULT: - ucode = (tf->tf_special.isr & 0xffff) + BUS_SEGM_FAULT; - sig = SIGBUS; - break; - case IA32_EXCEPTION_FPERROR: - ucode = 0; /* XXX */ - sig = SIGFPE; - break; - case IA32_EXCEPTION_ALIGNMENT_CHECK: - ucode = tf->tf_special.ifa; /* VA */ - sig = SIGBUS; - break; - case IA32_EXCEPTION_STREAMING_SIMD: - ucode = 0; /* XXX */ - sig = SIGFPE; - break; - default: - trap_panic(vector, tf); - break; - } - break; - - case IA64_VEC_IA32_INTERCEPT: - /* XXX Maybe need to emulate ia32 instruction. */ - trap_panic(vector, tf); - - case IA64_VEC_IA32_INTERRUPT: - /* INT n instruction - probably a syscall. */ - if (((tf->tf_special.isr >> 16) & 0xffff) == 0x80) { - ia32_syscall(tf); - goto out; - } - ucode = (tf->tf_special.isr >> 16) & 0xffff; - sig = SIGILL; - break; - - default: - /* Should never happen of course. */ - trap_panic(vector, tf); - break; - } - - KASSERT(sig != 0, ("%s: signal not set", __func__)); - - ksiginfo_init_trap(&ksi); - ksi.ksi_signo = sig; - ksi.ksi_code = (int)ucode; /* XXX */ - /* ksi.ksi_addr */ - trapsignal(td, &ksi); - -out: - userret(td, tf); - do_ast(tf); -} |
