lib/libkvm/kvm_minidump_amd64.c

51 	struct minidumphdr hdr;
89 	if (pread(kd->pmfd, &vmst->hdr, sizeof(vmst->hdr), 0) !=
90 	    sizeof(vmst->hdr)) {
94 	if (strncmp(MINIDUMP_MAGIC, vmst->hdr.magic, sizeof(vmst->hdr.magic)) != 0) {
103 	vmst->hdr.version = le32toh(vmst->hdr.version);
104 	if (vmst->hdr.version != MINIDUMP_VERSION && vmst->hdr.version != 1) {
106 		    MINIDUMP_VERSION, vmst->hdr.version);
109 	vmst->hdr.msgbufsize = le32toh(vmst->hdr.msgbufsize);
110 	vmst->hdr.bitmapsize = le32toh(vmst->hdr.bitmapsize);
111 	vmst->hdr.pmapsize = le32toh(vmst->hdr.pmapsize);
112 	vmst->hdr.kernbase = le64toh(vmst->hdr.kernbase);
113 	vmst->hdr.dmapbase = le64toh(vmst->hdr.dmapbase);
114 	vmst->hdr.dmapend = le64toh(vmst->hdr.dmapend);
117 	off = AMD64_PAGE_SIZE + amd64_round_page(vmst->hdr.msgbufsize);
119 	bitmap = _kvm_malloc(kd, vmst->hdr.bitmapsize);
121 		_kvm_err(kd, kd->program, "cannot allocate %d bytes for bitmap", vmst->hdr.bitmapsize);
124 	if (pread(kd->pmfd, bitmap, vmst->hdr.bitmapsize, off) !=
125 	    (ssize_t)vmst->hdr.bitmapsize) {
126 		_kvm_err(kd, kd->program, "cannot read %d bytes for page bitmap", vmst->hdr.bitmapsize);
130 	off += amd64_round_page(vmst->hdr.bitmapsize);
132 	vmst->page_map = _kvm_malloc(kd, vmst->hdr.pmapsize);
134 		_kvm_err(kd, kd->program, "cannot allocate %d bytes for page_map", vmst->hdr.pmapsize);
138 	if (pread(kd->pmfd, vmst->page_map, vmst->hdr.pmapsize, off) !=
139 	    (ssize_t)vmst->hdr.pmapsize) {
140 		_kvm_err(kd, kd->program, "cannot read %d bytes for page_map", vmst->hdr.pmapsize);
144 	off += vmst->hdr.pmapsize;
147 	_kvm_hpt_init(kd, &vmst->hpt, bitmap, vmst->hdr.bitmapsize, off,
167 	if (va >= vm->hdr.kernbase) {
168 		pteindex = (va - vm->hdr.kernbase) >> AMD64_PAGE_SHIFT;
169 		if (pteindex >= vm->hdr.pmapsize / sizeof(*vm->page_map))
187 	} else if (va >= vm->hdr.dmapbase && va < vm->hdr.dmapend) {
188 		a = (va - vm->hdr.dmapbase) & ~AMD64_PAGE_MASK;
226 	if (va >= vm->hdr.kernbase) {
227 		pdeindex = (va - vm->hdr.kernbase) >> AMD64_PDRSHIFT;
228 		if (pdeindex >= vm->hdr.pmapsize / sizeof(*vm->page_map))
275 	} else if (va >= vm->hdr.dmapbase && va < vm->hdr.dmapend) {
276 		a = (va - vm->hdr.dmapbase) & ~AMD64_PAGE_MASK;
307 	if (((struct vmstate *)kd->vmst)->hdr.version == 1)