static LONGEST
linux_xfer_osdata_isockets (gdb_byte *readbuf,
ULONGEST offset, LONGEST len)
{
static const char *buf;
static LONGEST len_avail = -1;
static struct buffer buffer;
if (offset == 0)
{
if (len_avail != -1 && len_avail != 0)
buffer_free (&buffer);
len_avail = 0;
buf = NULL;
buffer_init (&buffer);
buffer_grow_str (&buffer, "<osdata type=\"I sockets\">\n");
print_sockets (AF_INET, 1, &buffer);
print_sockets (AF_INET, 0, &buffer);
print_sockets (AF_INET6, 1, &buffer);
print_sockets (AF_INET6, 0, &buffer);
buffer_grow_str0 (&buffer, "</osdata>\n");
buf = buffer_finish (&buffer);
len_avail = strlen (buf);
}
if (offset >= len_avail)
{
/* Done. Get rid of the buffer. */
buffer_free (&buffer);
buf = NULL;
len_avail = 0;
return 0;
}
if (len > len_avail - offset)
len = len_avail - offset;
memcpy (readbuf, buf + offset, len);
return len;
}
static LONGEST
linux_xfer_osdata_fds (gdb_byte *readbuf,
ULONGEST offset, LONGEST len)
{
/* We make the process list snapshot when the object starts to be read. */
static const char *buf;
static LONGEST len_avail = -1;
static struct buffer buffer;
if (offset == 0)
{
DIR *dirp;
if (len_avail != -1 && len_avail != 0)
buffer_free (&buffer);
len_avail = 0;
buf = NULL;
buffer_init (&buffer);
buffer_grow_str (&buffer, "<osdata type=\"files\">\n");
dirp = opendir ("/proc");
if (dirp)
{
struct dirent *dp;
while ((dp = readdir (dirp)) != NULL)
{
struct stat statbuf;
char procentry[sizeof ("/proc/4294967295")];
if (!isdigit (dp->d_name[0])
|| NAMELEN (dp) > sizeof ("4294967295") - 1)
continue;
sprintf (procentry, "/proc/%s", dp->d_name);
if (stat (procentry, &statbuf) == 0
&& S_ISDIR (statbuf.st_mode))
{
char *pathname;
DIR *dirp2;
PID_T pid;
char command[32];
pid = atoi (dp->d_name);
command_from_pid (command, sizeof (command), pid);
pathname = xstrprintf ("/proc/%s/fd", dp->d_name);
dirp2 = opendir (pathname);
if (dirp2)
{
struct dirent *dp2;
while ((dp2 = readdir (dirp2)) != NULL)
{
char *fdname;
char buf[1000];
ssize_t rslt;
if (!isdigit (dp2->d_name[0]))
continue;
fdname = xstrprintf ("%s/%s", pathname, dp2->d_name);
rslt = readlink (fdname, buf, sizeof (buf) - 1);
if (rslt >= 0)
buf[rslt] = '\0';
buffer_xml_printf (
&buffer,
"<item>"
"<column name=\"pid\">%s</column>"
"<column name=\"command\">%s</column>"
"<column name=\"file descriptor\">%s</column>"
"<column name=\"name\">%s</column>"
"</item>",
dp->d_name,
command,
dp2->d_name,
(rslt >= 0 ? buf : dp2->d_name));
}
closedir (dirp2);
}
xfree (pathname);
}
}
closedir (dirp);
}
buffer_grow_str0 (&buffer, "</osdata>\n");
buf = buffer_finish (&buffer);
len_avail = strlen (buf);
}
if (offset >= len_avail)
{
/* Done. Get rid of the buffer. */
buffer_free (&buffer);
buf = NULL;
len_avail = 0;
return 0;
}
if (len > len_avail - offset)
len = len_avail - offset;
memcpy (readbuf, buf + offset, len);
return len;
}
static LONGEST
linux_xfer_osdata_processgroups (gdb_byte *readbuf,
ULONGEST offset, LONGEST len)
{
/* We make the process list snapshot when the object starts to be read. */
static const char *buf;
static LONGEST len_avail = -1;
static struct buffer buffer;
if (offset == 0)
{
DIR *dirp;
if (len_avail != -1 && len_avail != 0)
buffer_free (&buffer);
len_avail = 0;
buf = NULL;
buffer_init (&buffer);
buffer_grow_str (&buffer, "<osdata type=\"process groups\">\n");
dirp = opendir ("/proc");
if (dirp)
{
struct dirent *dp;
const size_t list_block_size = 512;
PID_T *process_list = (PID_T *) xmalloc (list_block_size * 2 * sizeof (PID_T));
size_t process_count = 0;
size_t i;
/* Build list consisting of PIDs followed by their
associated PGID. */
while ((dp = readdir (dirp)) != NULL)
{
PID_T pid, pgid;
if (!isdigit (dp->d_name[0])
|| NAMELEN (dp) > MAX_PID_T_STRLEN)
continue;
sscanf (dp->d_name, "%lld", &pid);
pgid = getpgid (pid);
if (pgid > 0)
{
process_list[2 * process_count] = pid;
process_list[2 * process_count + 1] = pgid;
++process_count;
/* Increase the size of the list if necessary. */
if (process_count % list_block_size == 0)
process_list = (PID_T *) xrealloc (
process_list,
(process_count + list_block_size)
* 2 * sizeof (PID_T));
}
}
closedir (dirp);
/* Sort the process list. */
qsort (process_list, process_count, 2 * sizeof (PID_T),
compare_processes);
for (i = 0; i < process_count; ++i)
{
PID_T pid = process_list[2 * i];
PID_T pgid = process_list[2 * i + 1];
char leader_command[32];
char *command_line;
command_from_pid (leader_command, sizeof (leader_command), pgid);
command_line = commandline_from_pid (pid);
buffer_xml_printf (
&buffer,
"<item>"
"<column name=\"pgid\">%lld</column>"
"<column name=\"leader command\">%s</column>"
"<column name=\"pid\">%lld</column>"
"<column name=\"command line\">%s</column>"
"</item>",
pgid,
leader_command,
pid,
command_line ? command_line : "");
xfree (command_line);
}
xfree (process_list);
}
buffer_grow_str0 (&buffer, "</osdata>\n");
buf = buffer_finish (&buffer);
len_avail = strlen (buf);
}
if (offset >= len_avail)
{
/* Done. Get rid of the buffer. */
buffer_free (&buffer);
buf = NULL;
len_avail = 0;
return 0;
}
if (len > len_avail - offset)
len = len_avail - offset;
memcpy (readbuf, buf + offset, len);
return len;
}
static LONGEST
linux_xfer_osdata_threads (gdb_byte *readbuf,
ULONGEST offset, LONGEST len)
{
/* We make the process list snapshot when the object starts to be read. */
static const char *buf;
static LONGEST len_avail = -1;
static struct buffer buffer;
if (offset == 0)
{
DIR *dirp;
if (len_avail != -1 && len_avail != 0)
buffer_free (&buffer);
len_avail = 0;
buf = NULL;
buffer_init (&buffer);
buffer_grow_str (&buffer, "<osdata type=\"threads\">\n");
dirp = opendir ("/proc");
if (dirp)
{
struct dirent *dp;
while ((dp = readdir (dirp)) != NULL)
{
struct stat statbuf;
char procentry[sizeof ("/proc/4294967295")];
if (!isdigit (dp->d_name[0])
|| NAMELEN (dp) > sizeof ("4294967295") - 1)
continue;
sprintf (procentry, "/proc/%s", dp->d_name);
if (stat (procentry, &statbuf) == 0
&& S_ISDIR (statbuf.st_mode))
{
DIR *dirp2;
char *pathname;
PID_T pid;
char command[32];
pathname = xstrprintf ("/proc/%s/task", dp->d_name);
pid = atoi (dp->d_name);
command_from_pid (command, sizeof (command), pid);
dirp2 = opendir (pathname);
if (dirp2)
{
struct dirent *dp2;
while ((dp2 = readdir (dirp2)) != NULL)
{
PID_T tid;
int core;
if (!isdigit (dp2->d_name[0])
|| NAMELEN (dp2) > sizeof ("4294967295") - 1)
continue;
tid = atoi (dp2->d_name);
core = linux_common_core_of_thread (ptid_build (pid, tid, 0));
buffer_xml_printf (
&buffer,
"<item>"
"<column name=\"pid\">%lld</column>"
"<column name=\"command\">%s</column>"
"<column name=\"tid\">%lld</column>"
"<column name=\"core\">%d</column>"
"</item>",
pid,
command,
tid,
core);
}
closedir (dirp2);
}
xfree (pathname);
}
}
closedir (dirp);
}
buffer_grow_str0 (&buffer, "</osdata>\n");
buf = buffer_finish (&buffer);
len_avail = strlen (buf);
}
if (offset >= len_avail)
{
/* Done. Get rid of the buffer. */
buffer_free (&buffer);
buf = NULL;
len_avail = 0;
return 0;
}
if (len > len_avail - offset)
len = len_avail - offset;
memcpy (readbuf, buf + offset, len);
return len;
}
LONGEST
linux_common_xfer_osdata (const char *annex, gdb_byte *readbuf,
ULONGEST offset, LONGEST len)
{
if (!annex || *annex == '\0')
{
static const char *buf;
static LONGEST len_avail = -1;
static struct buffer buffer;
if (offset == 0)
{
int i;
if (len_avail != -1 && len_avail != 0)
buffer_free (&buffer);
len_avail = 0;
buf = NULL;
buffer_init (&buffer);
buffer_grow_str (&buffer, "<osdata type=\"types\">\n");
for (i = 0; osdata_table[i].type; ++i)
buffer_xml_printf (
&buffer,
"<item>"
"<column name=\"Type\">%s</column>"
"<column name=\"Description\">%s</column>"
"<column name=\"Title\">%s</column>"
"</item>",
osdata_table[i].type,
osdata_table[i].description,
osdata_table[i].title);
buffer_grow_str0 (&buffer, "</osdata>\n");
buf = buffer_finish (&buffer);
len_avail = strlen (buf);
}
if (offset >= len_avail)
{
/* Done. Get rid of the buffer. */
buffer_free (&buffer);
buf = NULL;
len_avail = 0;
return 0;
}
if (len > len_avail - offset)
len = len_avail - offset;
memcpy (readbuf, buf + offset, len);
return len;
}
else
{
int i;
for (i = 0; osdata_table[i].type; ++i)
{
if (strcmp (annex, osdata_table[i].type) == 0)
{
gdb_assert (readbuf);
return (osdata_table[i].getter) (readbuf, offset, len);
}
}
return 0;
}
}
static LONGEST
linux_xfer_osdata_processes (gdb_byte *readbuf,
ULONGEST offset, LONGEST len)
{
/* We make the process list snapshot when the object starts to be read. */
static const char *buf;
static LONGEST len_avail = -1;
static struct buffer buffer;
if (offset == 0)
{
DIR *dirp;
if (len_avail != -1 && len_avail != 0)
buffer_free (&buffer);
len_avail = 0;
buf = NULL;
buffer_init (&buffer);
buffer_grow_str (&buffer, "<osdata type=\"processes\">\n");
dirp = opendir ("/proc");
if (dirp)
{
const int num_cores = sysconf (_SC_NPROCESSORS_ONLN);
struct dirent *dp;
while ((dp = readdir (dirp)) != NULL)
{
PID_T pid;
uid_t owner;
char user[UT_NAMESIZE];
char *command_line;
int *cores;
int task_count;
char *cores_str;
int i;
if (!isdigit (dp->d_name[0])
|| NAMELEN (dp) > MAX_PID_T_STRLEN)
continue;
sscanf (dp->d_name, "%lld", &pid);
command_line = commandline_from_pid (pid);
if (get_process_owner (&owner, pid) == 0)
user_from_uid (user, sizeof (user), owner);
else
strcpy (user, "?");
/* Find CPU cores used by the process. */
cores = (int *) xcalloc (num_cores, sizeof (int));
task_count = get_cores_used_by_process (pid, cores);
cores_str = (char *) xcalloc (task_count, sizeof ("4294967295") + 1);
for (i = 0; i < num_cores && task_count > 0; ++i)
if (cores[i])
{
char core_str[sizeof ("4294967295")];
sprintf (core_str, "%d", i);
strcat (cores_str, core_str);
task_count -= cores[i];
if (task_count > 0)
strcat (cores_str, ",");
}
xfree (cores);
buffer_xml_printf (
&buffer,
"<item>"
"<column name=\"pid\">%lld</column>"
"<column name=\"user\">%s</column>"
"<column name=\"command\">%s</column>"
"<column name=\"cores\">%s</column>"
"</item>",
pid,
user,
command_line ? command_line : "",
cores_str);
xfree (command_line);
xfree (cores_str);
}
closedir (dirp);
}
buffer_grow_str0 (&buffer, "</osdata>\n");
buf = buffer_finish (&buffer);
len_avail = strlen (buf);
}
if (offset >= len_avail)
{
/* Done. Get rid of the buffer. */
buffer_free (&buffer);
buf = NULL;
len_avail = 0;
return 0;
}
if (len > len_avail - offset)
len = len_avail - offset;
memcpy (readbuf, buf + offset, len);
return len;
}
static LONGEST
linux_xfer_osdata_modules (gdb_byte *readbuf,
ULONGEST offset, LONGEST len)
{
static const char *buf;
static LONGEST len_avail = -1;
static struct buffer buffer;
if (offset == 0)
{
FILE *fp;
if (len_avail != -1 && len_avail != 0)
buffer_free (&buffer);
len_avail = 0;
buf = NULL;
buffer_init (&buffer);
buffer_grow_str (&buffer, "<osdata type=\"modules\">\n");
fp = gdb_fopen_cloexec ("/proc/modules", "r");
if (fp)
{
char buf[8192];
do
{
if (fgets (buf, sizeof (buf), fp))
{
char *name, *dependencies, *status, *tmp;
unsigned int size;
unsigned long long address;
int uses;
name = strtok (buf, " ");
if (name == NULL)
continue;
tmp = strtok (NULL, " ");
if (tmp == NULL)
continue;
if (sscanf (tmp, "%u", &size) != 1)
continue;
tmp = strtok (NULL, " ");
if (tmp == NULL)
continue;
if (sscanf (tmp, "%d", &uses) != 1)
continue;
dependencies = strtok (NULL, " ");
if (dependencies == NULL)
continue;
status = strtok (NULL, " ");
if (status == NULL)
continue;
tmp = strtok (NULL, "\n");
if (tmp == NULL)
continue;
if (sscanf (tmp, "%llx", &address) != 1)
continue;
buffer_xml_printf (
&buffer,
"<item>"
"<column name=\"name\">%s</column>"
"<column name=\"size\">%u</column>"
"<column name=\"num uses\">%d</column>"
"<column name=\"dependencies\">%s</column>"
"<column name=\"status\">%s</column>"
"<column name=\"address\">%llx</column>"
"</item>",
name,
size,
uses,
dependencies,
status,
address);
}
}
while (!feof (fp));
fclose (fp);
}
buffer_grow_str0 (&buffer, "</osdata>\n");
buf = buffer_finish (&buffer);
len_avail = strlen (buf);
}
if (offset >= len_avail)
{
/* Done. Get rid of the buffer. */
buffer_free (&buffer);
buf = NULL;
len_avail = 0;
return 0;
}
if (len > len_avail - offset)
len = len_avail - offset;
memcpy (readbuf, buf + offset, len);
return len;
}
static LONGEST
linux_xfer_osdata_msg (gdb_byte *readbuf,
ULONGEST offset, LONGEST len)
{
static const char *buf;
static LONGEST len_avail = -1;
static struct buffer buffer;
if (offset == 0)
{
FILE *fp;
if (len_avail != -1 && len_avail != 0)
buffer_free (&buffer);
len_avail = 0;
buf = NULL;
buffer_init (&buffer);
buffer_grow_str (&buffer, "<osdata type=\"message queues\">\n");
fp = gdb_fopen_cloexec ("/proc/sysvipc/msg", "r");
if (fp)
{
char buf[8192];
do
{
if (fgets (buf, sizeof (buf), fp))
{
key_t key;
PID_T lspid, lrpid;
uid_t uid, cuid;
gid_t gid, cgid;
unsigned int perms, cbytes, qnum;
int msqid;
TIME_T stime, rtime, ctime;
int items_read;
items_read = sscanf (buf,
"%d %d %o %u %u %lld %lld %d %d %d %d %lld %lld %lld",
&key, &msqid, &perms, &cbytes, &qnum,
&lspid, &lrpid, &uid, &gid, &cuid, &cgid,
&stime, &rtime, &ctime);
if (items_read == 14)
{
char user[UT_NAMESIZE], group[UT_NAMESIZE];
char cuser[UT_NAMESIZE], cgroup[UT_NAMESIZE];
char lscmd[32], lrcmd[32];
char stime_str[32], rtime_str[32], ctime_str[32];
user_from_uid (user, sizeof (user), uid);
group_from_gid (group, sizeof (group), gid);
user_from_uid (cuser, sizeof (cuser), cuid);
group_from_gid (cgroup, sizeof (cgroup), cgid);
command_from_pid (lscmd, sizeof (lscmd), lspid);
command_from_pid (lrcmd, sizeof (lrcmd), lrpid);
time_from_time_t (stime_str, sizeof (stime_str), stime);
time_from_time_t (rtime_str, sizeof (rtime_str), rtime);
time_from_time_t (ctime_str, sizeof (ctime_str), ctime);
buffer_xml_printf (
&buffer,
"<item>"
"<column name=\"key\">%d</column>"
"<column name=\"msqid\">%d</column>"
"<column name=\"permissions\">%o</column>"
"<column name=\"num used bytes\">%u</column>"
"<column name=\"num messages\">%u</column>"
"<column name=\"last msgsnd() command\">%s</column>"
"<column name=\"last msgrcv() command\">%s</column>"
"<column name=\"user\">%s</column>"
"<column name=\"group\">%s</column>"
"<column name=\"creator user\">%s</column>"
"<column name=\"creator group\">%s</column>"
"<column name=\"last msgsnd() time\">%s</column>"
"<column name=\"last msgrcv() time\">%s</column>"
"<column name=\"last msgctl() time\">%s</column>"
"</item>",
key,
msqid,
perms,
cbytes,
qnum,
lscmd,
lrcmd,
user,
group,
cuser,
cgroup,
stime_str,
rtime_str,
ctime_str);
}
}
}
while (!feof (fp));
fclose (fp);
}
buffer_grow_str0 (&buffer, "</osdata>\n");
buf = buffer_finish (&buffer);
len_avail = strlen (buf);
}
if (offset >= len_avail)
{
/* Done. Get rid of the buffer. */
buffer_free (&buffer);
buf = NULL;
len_avail = 0;
return 0;
}
if (len > len_avail - offset)
len = len_avail - offset;
memcpy (readbuf, buf + offset, len);
return len;
}
static LONGEST
linux_xfer_osdata_sem (gdb_byte *readbuf,
ULONGEST offset, LONGEST len)
{
static const char *buf;
static LONGEST len_avail = -1;
static struct buffer buffer;
if (offset == 0)
{
FILE *fp;
if (len_avail != -1 && len_avail != 0)
buffer_free (&buffer);
len_avail = 0;
buf = NULL;
buffer_init (&buffer);
buffer_grow_str (&buffer, "<osdata type=\"semaphores\">\n");
fp = gdb_fopen_cloexec ("/proc/sysvipc/sem", "r");
if (fp)
{
char buf[8192];
do
{
if (fgets (buf, sizeof (buf), fp))
{
key_t key;
uid_t uid, cuid;
gid_t gid, cgid;
unsigned int perms, nsems;
int semid;
TIME_T otime, ctime;
int items_read;
items_read = sscanf (buf,
"%d %d %o %u %d %d %d %d %lld %lld",
&key, &semid, &perms, &nsems,
&uid, &gid, &cuid, &cgid,
&otime, &ctime);
if (items_read == 10)
{
char user[UT_NAMESIZE], group[UT_NAMESIZE];
char cuser[UT_NAMESIZE], cgroup[UT_NAMESIZE];
char otime_str[32], ctime_str[32];
user_from_uid (user, sizeof (user), uid);
group_from_gid (group, sizeof (group), gid);
user_from_uid (cuser, sizeof (cuser), cuid);
group_from_gid (cgroup, sizeof (cgroup), cgid);
time_from_time_t (otime_str, sizeof (otime_str), otime);
time_from_time_t (ctime_str, sizeof (ctime_str), ctime);
buffer_xml_printf (
&buffer,
"<item>"
"<column name=\"key\">%d</column>"
"<column name=\"semid\">%d</column>"
"<column name=\"permissions\">%o</column>"
"<column name=\"num semaphores\">%u</column>"
"<column name=\"user\">%s</column>"
"<column name=\"group\">%s</column>"
"<column name=\"creator user\">%s</column>"
"<column name=\"creator group\">%s</column>"
"<column name=\"last semop() time\">%s</column>"
"<column name=\"last semctl() time\">%s</column>"
"</item>",
key,
semid,
perms,
nsems,
user,
group,
cuser,
cgroup,
otime_str,
ctime_str);
}
}
}
while (!feof (fp));
fclose (fp);
}
buffer_grow_str0 (&buffer, "</osdata>\n");
buf = buffer_finish (&buffer);
len_avail = strlen (buf);
}
if (offset >= len_avail)
{
/* Done. Get rid of the buffer. */
buffer_free (&buffer);
buf = NULL;
len_avail = 0;
return 0;
}
if (len > len_avail - offset)
len = len_avail - offset;
memcpy (readbuf, buf + offset, len);
return len;
}
static LONGEST
linux_xfer_osdata_shm (gdb_byte *readbuf,
ULONGEST offset, LONGEST len)
{
static const char *buf;
static LONGEST len_avail = -1;
static struct buffer buffer;
if (offset == 0)
{
FILE *fp;
if (len_avail != -1 && len_avail != 0)
buffer_free (&buffer);
len_avail = 0;
buf = NULL;
buffer_init (&buffer);
buffer_grow_str (&buffer, "<osdata type=\"shared memory\">\n");
fp = gdb_fopen_cloexec ("/proc/sysvipc/shm", "r");
if (fp)
{
char buf[8192];
do
{
if (fgets (buf, sizeof (buf), fp))
{
key_t key;
uid_t uid, cuid;
gid_t gid, cgid;
PID_T cpid, lpid;
int shmid, size, nattch;
TIME_T atime, dtime, ctime;
unsigned int perms;
int items_read;
items_read = sscanf (buf,
"%d %d %o %d %lld %lld %d %u %u %u %u %lld %lld %lld",
&key, &shmid, &perms, &size,
&cpid, &lpid,
&nattch,
&uid, &gid, &cuid, &cgid,
&atime, &dtime, &ctime);
if (items_read == 14)
{
char user[UT_NAMESIZE], group[UT_NAMESIZE];
char cuser[UT_NAMESIZE], cgroup[UT_NAMESIZE];
char ccmd[32], lcmd[32];
char atime_str[32], dtime_str[32], ctime_str[32];
user_from_uid (user, sizeof (user), uid);
group_from_gid (group, sizeof (group), gid);
user_from_uid (cuser, sizeof (cuser), cuid);
group_from_gid (cgroup, sizeof (cgroup), cgid);
command_from_pid (ccmd, sizeof (ccmd), cpid);
command_from_pid (lcmd, sizeof (lcmd), lpid);
time_from_time_t (atime_str, sizeof (atime_str), atime);
time_from_time_t (dtime_str, sizeof (dtime_str), dtime);
time_from_time_t (ctime_str, sizeof (ctime_str), ctime);
buffer_xml_printf (
&buffer,
"<item>"
"<column name=\"key\">%d</column>"
"<column name=\"shmid\">%d</column>"
"<column name=\"permissions\">%o</column>"
"<column name=\"size\">%d</column>"
"<column name=\"creator command\">%s</column>"
"<column name=\"last op. command\">%s</column>"
"<column name=\"num attached\">%d</column>"
"<column name=\"user\">%s</column>"
"<column name=\"group\">%s</column>"
"<column name=\"creator user\">%s</column>"
"<column name=\"creator group\">%s</column>"
"<column name=\"last shmat() time\">%s</column>"
"<column name=\"last shmdt() time\">%s</column>"
"<column name=\"last shmctl() time\">%s</column>"
"</item>",
key,
shmid,
perms,
size,
ccmd,
lcmd,
nattch,
user,
group,
cuser,
cgroup,
atime_str,
dtime_str,
ctime_str);
}
}
}
while (!feof (fp));
fclose (fp);
}
buffer_grow_str0 (&buffer, "</osdata>\n");
buf = buffer_finish (&buffer);
len_avail = strlen (buf);
}
if (offset >= len_avail)
{
/* Done. Get rid of the buffer. */
buffer_free (&buffer);
buf = NULL;
len_avail = 0;
return 0;
}
if (len > len_avail - offset)
len = len_avail - offset;
memcpy (readbuf, buf + offset, len);
return len;
}
static LONGEST
linux_xfer_osdata_modules (gdb_byte *readbuf,
ULONGEST offset, LONGEST len)
{
static const char *buf;
static LONGEST len_avail = -1;
static struct buffer buffer;
if (offset == 0)
{
FILE *fp;
if (len_avail != -1 && len_avail != 0)
buffer_free (&buffer);
len_avail = 0;
buf = NULL;
buffer_init (&buffer);
buffer_grow_str (&buffer, "<osdata type=\"modules\">\n");
fp = fopen ("/proc/modules", "r");
if (fp)
{
char buf[8192];
do
{
if (fgets (buf, sizeof (buf), fp))
{
char name[64], dependencies[256], status[16];
unsigned int size;
unsigned long long address;
int uses;
int items_read;
items_read = sscanf (buf,
"%64s %d %d %256s %16s 0x%llx",
name, &size, &uses,
dependencies, status, &address);
if (items_read == 6)
buffer_xml_printf (
&buffer,
"<item>"
"<column name=\"name\">%s</column>"
"<column name=\"size\">%u</column>"
"<column name=\"num uses\">%d</column>"
"<column name=\"dependencies\">%s</column>"
"<column name=\"status\">%s</column>"
"<column name=\"address\">%llx</column>"
"</item>",
name,
size,
uses,
dependencies,
status,
address);
}
}
while (!feof (fp));
fclose (fp);
}
buffer_grow_str0 (&buffer, "</osdata>\n");
buf = buffer_finish (&buffer);
len_avail = strlen (buf);
}
if (offset >= len_avail)
{
/* Done. Get rid of the buffer. */
buffer_free (&buffer);
buf = NULL;
len_avail = 0;
return 0;
}
if (len > len_avail - offset)
len = len_avail - offset;
memcpy (readbuf, buf + offset, len);
return len;
}