79 static bool	core_offset(struct procstat_core *core, off_t offset);
80 static bool	core_read(struct procstat_core *core, void *buf, size_t len);
81 static ssize_t	core_read_mem(struct procstat_core *core, void *buf,
83 static void	*get_args(struct procstat_core *core, vm_offset_t psstrings,
89 	struct procstat_core *core;  in procstat_core_open()  local
138 	core = malloc(sizeof(struct procstat_core));  in procstat_core_open()
139 	if (core == NULL) {  in procstat_core_open()
143 	core->pc_magic = PROCSTAT_CORE_MAGIC;  in procstat_core_open()
144 	core->pc_fd = fd;  in procstat_core_open()
145 	core->pc_elf = e;  in procstat_core_open()
146 	core->pc_ehdr = ehdr;  in procstat_core_open()
147 	core->pc_phdr = phdr;  in procstat_core_open()
149 	return (core);  in procstat_core_open()
159 procstat_core_close(struct procstat_core *core)  in procstat_core_close()  argument
162 	assert(core->pc_magic == PROCSTAT_CORE_MAGIC);  in procstat_core_close()
164 	elf_end(core->pc_elf);  in procstat_core_close()
165 	close(core->pc_fd);  in procstat_core_close()
166 	free(core);  in procstat_core_close()
170 procstat_core_get(struct procstat_core *core, enum psc_type type, void *buf,  in procstat_core_get()  argument
181 	assert(core->pc_magic == PROCSTAT_CORE_MAGIC);  in procstat_core_get()
188 	offset = core->pc_phdr.p_offset;  in procstat_core_get()
189 	eoffset = offset + core->pc_phdr.p_filesz;  in procstat_core_get()
193 		if (!core_offset(core, offset))  in procstat_core_get()
195 		if (!core_read(core, &nhdr, sizeof(nhdr)))  in procstat_core_get()
208 		if (!core_read(core, nbuf, sizeof(nbuf)))  in procstat_core_get()
216 		if (!core_read(core, &cstructsize, sizeof(cstructsize)))  in procstat_core_get()
235 		if (!core_read(core, (char *)buf + curlen, len)) {  in procstat_core_get()
250 			buf = get_args(core, psstrings, type, buf, &len);  in procstat_core_get()
269 core_offset(struct procstat_core *core, off_t offset)  in core_offset()  argument
272 	assert(core->pc_magic == PROCSTAT_CORE_MAGIC);  in core_offset()
274 	if (lseek(core->pc_fd, offset, SEEK_SET) == -1) {  in core_offset()
282 core_read(struct procstat_core *core, void *buf, size_t len)  in core_read()  argument
286 	assert(core->pc_magic == PROCSTAT_CORE_MAGIC);  in core_read()
288 	n = read(core->pc_fd, buf, len);  in core_read()
301 core_read_mem(struct procstat_core *core, void *buf, size_t len,  in core_read_mem()  argument
308 	assert(core->pc_magic == PROCSTAT_CORE_MAGIC);  in core_read_mem()
310 	for (i = 0; i < core->pc_ehdr.e_phnum; i++) {  in core_read_mem()
311 		if (gelf_getphdr(core->pc_elf, i, &phdr) != &phdr) {  in core_read_mem()
328 		if (!core_offset(core, offset))  in core_read_mem()
330 		if (!core_read(core, buf, len))  in core_read_mem()
341 get_args(struct procstat_core *core, vm_offset_t psstrings, enum psc_type type,  in get_args()  argument
354 	if (core_read_mem(core, &pss, sizeof(pss), psstrings, true) == -1)  in get_args()
377 	if (core_read_mem(core, argv, size, addr, true) == -1)  in get_args()
404 			n = core_read_mem(core, p, chunksz, addr, false);  in get_args()
426 procstat_core_note_count(struct procstat_core *core, enum psc_type type)  in procstat_core_note_count()  argument
439 	offset = core->pc_phdr.p_offset;  in procstat_core_note_count()
440 	eoffset = offset + core->pc_phdr.p_filesz;  in procstat_core_note_count()
443 		if (!core_offset(core, offset))  in procstat_core_note_count()
445 		if (!core_read(core, &nhdr, sizeof(nhdr)))  in procstat_core_note_count()
458 		if (!core_read(core, nbuf, sizeof(nbuf)))  in procstat_core_note_count()
466 		if (!core_read(core, &cstructsize, sizeof(cstructsize)))  in procstat_core_note_count()