lib/libkvm/kvm_arm.c

69 _kvm_maphdrs(kvm_t *kd, size_t sz)
71 	struct vmstate *vm = kd->vmst;
80 	vm->mmapbase = mmap(NULL, sz, PROT_READ, MAP_PRIVATE, kd->pmfd, 0);
82 		_kvm_err(kd, kd->program, "cannot mmap corefile");
93 _kvm_pa2off(kvm_t *kd, uint64_t pa, off_t *ofs, size_t pgsz)
95 	Elf32_Ehdr *e = kd->vmst->mmapbase;
111 _kvm_freevtop(kvm_t *kd)
113 	if (kd->vmst != 0) {
114 		if (kd->vmst->minidump)
115 			return (_kvm_minidump_freevtop(kd));
116 		if (kd->vmst->mmapbase != NULL)
117 			munmap(kd->vmst->mmapbase, kd->vmst->mmapsize);
118 		free(kd->vmst);
119 		kd->vmst = NULL;
124 _kvm_initvtop(kvm_t *kd)
136 	if (!kd->rawdump) {
137 		if (pread(kd->pmfd, &minihdr, 8, 0) == 8) {
139 				return (_kvm_minidump_initvtop(kd));
141 			_kvm_err(kd, kd->program, "cannot read header");
146 	vm = _kvm_malloc(kd, sizeof(*vm));
148 		_kvm_err(kd, kd->program, "cannot allocate vm");
151 	kd->vmst = vm;
153 	if (_kvm_maphdrs(kd, sizeof(Elf32_Ehdr)) == -1)
155 	ehdr = kd->vmst->mmapbase;
157 	if (_kvm_maphdrs(kd, hdrsz) == -1)
174 		if (kvm_nlist(kd, nl) != 0)
180 		if (kvm_nlist(kd, nl) != 0) {
181 			_kvm_err(kd, kd->program, "couldn't get phys addr");
187 	if (kvm_nlist(kd, nl) != 0) {
188 		_kvm_err(kd, kd->program, "bad namelist");
191 	if (kvm_read(kd, (nl[0].n_value - kernbase + physaddr), &pa,
193 		_kvm_err(kd, kd->program, "cannot read kernel_l1pa");
196 	l1pt = _kvm_malloc(kd, L1_TABLE_SIZE);
197 	if (kvm_read(kd, pa, l1pt, L1_TABLE_SIZE) != L1_TABLE_SIZE) {
198 		_kvm_err(kd, kd->program, "cannot read l1pt");
222 _kvm_kvatop(kvm_t *kd, u_long va, off_t *pa)
224 	struct vmstate *vm = kd->vmst;
229 	if (kd->vmst->minidump)
230 		return (_kvm_minidump_kvatop(kd, va, pa));
233 		return (_kvm_pa2off(kd, va, pa, PAGE_SIZE));
240 		return  (_kvm_pa2off(kd, *pa, pa, L1_S_SIZE));
243 	_kvm_pa2off(kd, pte_pa, (off_t *)&pte_pa, L1_S_SIZE);
244 	if (lseek(kd->pmfd, pte_pa, 0) == -1) {
245 		_kvm_syserr(kd, kd->program, "_kvm_kvatop: lseek");
248 	if (read(kd->pmfd, &pte, sizeof(pte)) != sizeof (pte)) {
249 		_kvm_syserr(kd, kd->program, "_kvm_kvatop: read");
257 		return (_kvm_pa2off(kd, *pa, pa, L2_L_SIZE));
260 	return (_kvm_pa2off(kd, *pa, pa, PAGE_SIZE));
262 	_kvm_err(kd, 0, "Invalid address (%lx)", va);
273 _kvm_mdopen(kvm_t *kd)
276 	kd->usrstack = USRSTACK;
277 	kd->min_uva = VM_MIN_ADDRESS;
278 	kd->max_uva = VM_MAXUSER_ADDRESS;