2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software developed by the Computer Systems
6 * Engineering group at Lawrence Berkeley Laboratory under DARPA contract
7 * BG 91-66 and contributed to Berkeley.
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10 * modification, are permitted provided that the following conditions
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13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
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18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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33 * @(#)kvm_private.h 8.1 (Berkeley) 6/4/93
37 #include <sys/endian.h>
38 #include <sys/linker_set.h>
42 int (*ka_probe)(kvm_t *);
43 int (*ka_initvtop)(kvm_t *);
44 void (*ka_freevtop)(kvm_t *);
45 int (*ka_kvatop)(kvm_t *, kvaddr_t, off_t *);
46 int (*ka_native)(kvm_t *);
49 #define KVM_ARCH(ka) DATA_SET(kvm_arch, ka)
52 struct kvm_arch *arch;
54 * a string to be prepended to error messages
55 * provided for compatibility with sun's interface
56 * if this value is null, errors are saved in errbuf[]
59 char *errp; /* XXX this can probably go away */
60 char errbuf[_POSIX2_LINE_MAX];
61 #define ISALIVE(kd) ((kd)->vmfd >= 0)
62 int pmfd; /* physical memory file (or crashdump) */
63 int vmfd; /* virtual memory file (-1 if crashdump) */
64 int nlfd; /* namelist file (e.g., /kernel) */
65 GElf_Ehdr nlehdr; /* ELF file header for namelist file */
66 int (*resolve_symbol)(const char *, kvaddr_t *);
67 struct kinfo_proc *procbase;
68 char *argspc; /* (dynamic) storage for argv strings */
69 int arglen; /* length of the above */
70 char **argv; /* (dynamic) storage for argv pointers */
71 int argc; /* length of above (not actual # present) */
72 char *argbuf; /* (dynamic) temporary storage */
74 * Kernel virtual address translation state. This only gets filled
75 * in for dead kernels; otherwise, the running kernel (i.e. kmem)
76 * will do the translations for us. It could be big, so we
77 * only allocate it if necessary.
80 int rawdump; /* raw dump format */
81 int writable; /* physical memory is writable */
83 int vnet_initialized; /* vnet fields set up */
84 kvaddr_t vnet_start; /* start of kernel's vnet region */
85 kvaddr_t vnet_stop; /* stop of kernel's vnet region */
86 kvaddr_t vnet_current; /* vnet we're working with */
87 kvaddr_t vnet_base; /* vnet base of current vnet */
90 * Dynamic per-CPU kernel memory. We translate symbols, on-demand,
91 * to the data associated with dpcpu_curcpu, set with
94 int dpcpu_initialized; /* dpcpu fields set up */
95 kvaddr_t dpcpu_start; /* start of kernel's dpcpu region */
96 kvaddr_t dpcpu_stop; /* stop of kernel's dpcpu region */
97 u_int dpcpu_maxcpus; /* size of base array */
98 uintptr_t *dpcpu_off; /* base array, indexed by CPU ID */
99 u_int dpcpu_curcpu; /* CPU we're currently working with */
100 kvaddr_t dpcpu_curoff; /* dpcpu base of current CPU */
104 * Page table hash used by minidump backends to map physical addresses
113 #define HPT_SIZE 1024
116 struct hpte *hpt_head[HPT_SIZE];
120 * Functions used internally by kvm, but across kvm modules.
122 static inline uint32_t
123 _kvm32toh(kvm_t *kd, uint32_t val)
126 if (kd->nlehdr.e_ident[EI_DATA] == ELFDATA2LSB)
127 return (le32toh(val));
129 return (be32toh(val));
132 static inline uint64_t
133 _kvm64toh(kvm_t *kd, uint64_t val)
136 if (kd->nlehdr.e_ident[EI_DATA] == ELFDATA2LSB)
137 return (le64toh(val));
139 return (be64toh(val));
142 void _kvm_err(kvm_t *kd, const char *program, const char *fmt, ...)
144 void _kvm_freeprocs(kvm_t *kd);
145 void *_kvm_malloc(kvm_t *kd, size_t);
146 int _kvm_nlist(kvm_t *, struct kvm_nlist *, int);
147 void *_kvm_realloc(kvm_t *kd, void *, size_t);
148 void _kvm_syserr (kvm_t *kd, const char *program, const char *fmt, ...)
150 int _kvm_vnet_selectpid(kvm_t *, pid_t);
151 int _kvm_vnet_initialized(kvm_t *, int);
152 kvaddr_t _kvm_vnet_validaddr(kvm_t *, kvaddr_t);
153 int _kvm_dpcpu_initialized(kvm_t *, int);
154 kvaddr_t _kvm_dpcpu_validaddr(kvm_t *, kvaddr_t);
155 int _kvm_probe_elf_kernel(kvm_t *, int, int);
156 int _kvm_is_minidump(kvm_t *);
157 int _kvm_read_core_phdrs(kvm_t *, size_t *, GElf_Phdr **);
158 void _kvm_hpt_init(kvm_t *, struct hpt *, void *, size_t, off_t, int, int);
159 off_t _kvm_hpt_find(struct hpt *, uint64_t);
160 void _kvm_hpt_free(struct hpt *);