81 static bool	core_offset(struct procstat_core *core, off_t offset);
82 static bool	core_read(struct procstat_core *core, void *buf, size_t len);
83 static ssize_t	core_read_mem(struct procstat_core *core, void *buf,
85 static void	*get_args(struct procstat_core *core, vm_offset_t psstrings,
91 	struct procstat_core *core;  in procstat_core_open()  local
140 	core = malloc(sizeof(struct procstat_core));  in procstat_core_open()
141 	if (core == NULL) {  in procstat_core_open()
145 	core->pc_magic = PROCSTAT_CORE_MAGIC;  in procstat_core_open()
146 	core->pc_fd = fd;  in procstat_core_open()
147 	core->pc_elf = e;  in procstat_core_open()
148 	core->pc_ehdr = ehdr;  in procstat_core_open()
149 	core->pc_phdr = phdr;  in procstat_core_open()
151 	return (core);  in procstat_core_open()
161 procstat_core_close(struct procstat_core *core)  in procstat_core_close()  argument
164 	assert(core->pc_magic == PROCSTAT_CORE_MAGIC);  in procstat_core_close()
166 	elf_end(core->pc_elf);  in procstat_core_close()
167 	close(core->pc_fd);  in procstat_core_close()
168 	free(core);  in procstat_core_close()
172 procstat_core_get(struct procstat_core *core, enum psc_type type, void *buf,  in procstat_core_get()  argument
183 	assert(core->pc_magic == PROCSTAT_CORE_MAGIC);  in procstat_core_get()
190 	offset = core->pc_phdr.p_offset;  in procstat_core_get()
191 	eoffset = offset + core->pc_phdr.p_filesz;  in procstat_core_get()
195 		if (!core_offset(core, offset))  in procstat_core_get()
197 		if (!core_read(core, &nhdr, sizeof(nhdr)))  in procstat_core_get()
210 		if (!core_read(core, nbuf, sizeof(nbuf)))  in procstat_core_get()
218 		if (!core_read(core, &cstructsize, sizeof(cstructsize)))  in procstat_core_get()
237 		if (!core_read(core, (char *)buf + curlen, len)) {  in procstat_core_get()
252 			buf = get_args(core, psstrings, type, buf, &len);  in procstat_core_get()
271 core_offset(struct procstat_core *core, off_t offset)  in core_offset()  argument
274 	assert(core->pc_magic == PROCSTAT_CORE_MAGIC);  in core_offset()
276 	if (lseek(core->pc_fd, offset, SEEK_SET) == -1) {  in core_offset()
284 core_read(struct procstat_core *core, void *buf, size_t len)  in core_read()  argument
288 	assert(core->pc_magic == PROCSTAT_CORE_MAGIC);  in core_read()
290 	n = read(core->pc_fd, buf, len);  in core_read()
303 core_read_mem(struct procstat_core *core, void *buf, size_t len,  in core_read_mem()  argument
310 	assert(core->pc_magic == PROCSTAT_CORE_MAGIC);  in core_read_mem()
312 	for (i = 0; i < core->pc_ehdr.e_phnum; i++) {  in core_read_mem()
313 		if (gelf_getphdr(core->pc_elf, i, &phdr) != &phdr) {  in core_read_mem()
330 		if (!core_offset(core, offset))  in core_read_mem()
332 		if (!core_read(core, buf, len))  in core_read_mem()
343 get_args(struct procstat_core *core, vm_offset_t psstrings, enum psc_type type,  in get_args()  argument
356 	if (core_read_mem(core, &pss, sizeof(pss), psstrings, true) == -1)  in get_args()
379 	if (core_read_mem(core, argv, size, addr, true) == -1)  in get_args()
406 			n = core_read_mem(core, p, chunksz, addr, false);  in get_args()
428 procstat_core_note_count(struct procstat_core *core, enum psc_type type)  in procstat_core_note_count()  argument
441 	offset = core->pc_phdr.p_offset;  in procstat_core_note_count()
442 	eoffset = offset + core->pc_phdr.p_filesz;  in procstat_core_note_count()
445 		if (!core_offset(core, offset))  in procstat_core_note_count()
447 		if (!core_read(core, &nhdr, sizeof(nhdr)))  in procstat_core_note_count()
460 		if (!core_read(core, nbuf, sizeof(nbuf)))  in procstat_core_note_count()
468 		if (!core_read(core, &cstructsize, sizeof(cstructsize)))  in procstat_core_note_count()