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Diffstat (limited to 'lib/libkvm/kvm_private.h')
-rw-r--r-- | lib/libkvm/kvm_private.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/lib/libkvm/kvm_private.h b/lib/libkvm/kvm_private.h new file mode 100644 index 0000000..b3eeea7 --- /dev/null +++ b/lib/libkvm/kvm_private.h @@ -0,0 +1,112 @@ +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software developed by the Computer Systems + * Engineering group at Lawrence Berkeley Laboratory under DARPA contract + * BG 91-66 and contributed to Berkeley. + * + * 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. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * @(#)kvm_private.h 8.1 (Berkeley) 6/4/93 + * $FreeBSD$ + */ + +struct __kvm { + /* + * a string to be prepended to error messages + * provided for compatibility with sun's interface + * if this value is null, errors are saved in errbuf[] + */ + const char *program; + char *errp; /* XXX this can probably go away */ + char errbuf[_POSIX2_LINE_MAX]; +#define ISALIVE(kd) ((kd)->vmfd >= 0) + int pmfd; /* physical memory file (or crashdump) */ + int vmfd; /* virtual memory file (-1 if crashdump) */ + int unused; /* was: swap file (e.g., /dev/drum) */ + int nlfd; /* namelist file (e.g., /kernel) */ + struct kinfo_proc *procbase; + char *argspc; /* (dynamic) storage for argv strings */ + int arglen; /* length of the above */ + char **argv; /* (dynamic) storage for argv pointers */ + int argc; /* length of above (not actual # present) */ + char *argbuf; /* (dynamic) temporary storage */ + /* + * Kernel virtual address translation state. This only gets filled + * in for dead kernels; otherwise, the running kernel (i.e. kmem) + * will do the translations for us. It could be big, so we + * only allocate it if necessary. + */ + struct vmstate *vmst; + int rawdump; /* raw dump format */ + + int vnet_initialized; /* vnet fields set up */ + uintptr_t vnet_start; /* start of kernel's vnet region */ + uintptr_t vnet_stop; /* stop of kernel's vnet region */ + uintptr_t vnet_current; /* vnet we're working with */ + uintptr_t vnet_base; /* vnet base of current vnet */ + + /* + * Dynamic per-CPU kernel memory. We translate symbols, on-demand, + * to the data associated with dpcpu_curcpu, set with + * kvm_dpcpu_setcpu(). + */ + int dpcpu_initialized; /* dpcpu fields set up */ + uintptr_t dpcpu_start; /* start of kernel's dpcpu region */ + uintptr_t dpcpu_stop; /* stop of kernel's dpcpu region */ + u_int dpcpu_maxcpus; /* size of base array */ + uintptr_t *dpcpu_off; /* base array, indexed by CPU ID */ + u_int dpcpu_curcpu; /* CPU we're currently working with */ + uintptr_t dpcpu_curoff; /* dpcpu base of current CPU */ +}; + +/* + * Functions used internally by kvm, but across kvm modules. + */ +void _kvm_err(kvm_t *kd, const char *program, const char *fmt, ...) + __printflike(3, 4); +void _kvm_freeprocs(kvm_t *kd); +void _kvm_freevtop(kvm_t *); +int _kvm_initvtop(kvm_t *); +int _kvm_kvatop(kvm_t *, u_long, off_t *); +void *_kvm_malloc(kvm_t *kd, size_t); +int _kvm_nlist(kvm_t *, struct nlist *, int); +void *_kvm_realloc(kvm_t *kd, void *, size_t); +void _kvm_syserr (kvm_t *kd, const char *program, const char *fmt, ...) + __printflike(3, 4); +int _kvm_uvatop(kvm_t *, const struct proc *, u_long, u_long *); +int _kvm_vnet_selectpid(kvm_t *, pid_t); +int _kvm_vnet_initialized(kvm_t *, int); +uintptr_t _kvm_vnet_validaddr(kvm_t *, uintptr_t); +int _kvm_dpcpu_initialized(kvm_t *, int); +uintptr_t _kvm_dpcpu_validaddr(kvm_t *, uintptr_t); + +#if defined(__amd64__) || defined(__i386__) || defined(__arm__) || \ + defined(__mips__) +void _kvm_minidump_freevtop(kvm_t *); +int _kvm_minidump_initvtop(kvm_t *); +int _kvm_minidump_kvatop(kvm_t *, u_long, off_t *); +#endif |