static int
mmio_read_x(int argc, const char *argv[], const struct cmd_info *info)
{
int ret;
data_store data;
struct mmap_info mmap_addr;
const struct mmap_file_flags *mmf;
mmf = info->privdata;
mmap_addr.addr = strtoull(argv[1], NULL, 0);
if (open_mapping(&mmap_addr, O_RDONLY | mmf->flags, sizeof(data)) < 0) {
return -1;
}
ret = 0;
#define DO_READ(mem_, off_, size_)\
data.u ##size_ = *(typeof(data.u ##size_) *)(mem_ + off_); \
fprintf(stdout, "0x%0*llx\n", (int)sizeof(data.u ##size_)*2, \
(unsigned long long)data.u ##size_)
switch (get_command_size(info)) {
case SIZE8:
DO_READ(mmap_addr.mem, mmap_addr.off, 8);
break;
case SIZE16:
DO_READ(mmap_addr.mem, mmap_addr.off, 16);
break;
case SIZE32:
DO_READ(mmap_addr.mem, mmap_addr.off, 32);
break;
case SIZE64:
if (sizeof(void *) != sizeof(uint64_t)) {
fprintf(stderr, "warning: 64 bit operations might "
"not be atomic on 32 bit builds\n");
}
DO_READ(mmap_addr.mem, mmap_addr.off, 64);
break;
default:
fprintf(stderr, "invalid mmio_read parameter\n");
ret = -1;
}
close_mapping(&mmap_addr);
return ret;
}
static struct KeywordList *
getKeywords(struct EXTRACT_Process * eproc,
const char * filename) {
struct KeywordList * pos;
struct KeywordList * next;
struct KeywordList * head;
unsigned int count;
size_t slen;
int status;
if (eproc->pid == -1)
if (0 != do_fork(eproc))
return NULL;
if (eproc->pid == -1)
return NULL;
fprintf(stderr, "Processing file %s\n", filename);
head = NULL;
pos = NULL;
next = NULL;
DO_WRITE(eproc->send_pipe, filename, strlen(filename)+1);
DO_READ(eproc->read_pipe, &count, sizeof(unsigned int));
while (count-- > 0) {
next = malloc(sizeof(struct KeywordList));
DO_READ(eproc->read_pipe, &next->keywordType, sizeof(enum EXTRACTOR_MetaType));
DO_READ(eproc->read_pipe, &slen, sizeof(size_t));
if (slen == 0)
{
free(next);
next = NULL;
continue;
}
if (slen > MAX_SLEN)
goto ERROR; /* too large! something must have gone wrong! */
if (pos == NULL) {
pos = next;
next = NULL;
head = pos;
} else {
pos->next = next;
next = NULL;
pos = pos->next;
}
pos->next = NULL;
pos->keyword = malloc(slen + 1);
pos->keyword[slen] = '\0';
DO_READ(eproc->read_pipe, pos->keyword, slen);
}
return head;
ERROR:
#if DEBUG_IPC
fprintf(stderr, "READ ERROR!\n");
#endif
if (next != NULL)
free(next);
freeKeywords(head);
if (eproc->send_pipe != -1)
close(eproc->send_pipe);
eproc->send_pipe = -1;
if (eproc->read_pipe != -1)
close(eproc->read_pipe);
eproc->read_pipe = -1;
if (eproc->pid != -1) {
kill(eproc->pid, SIGTERM);
waitpid(eproc->pid, &status, 0);
}
eproc->pid = -1;
return NULL;
}
