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-rw-r--r--gdb/linux-proc.c205
1 files changed, 93 insertions, 112 deletions
diff --git a/gdb/linux-proc.c b/gdb/linux-proc.c
index 00383e9..a951296 100644
--- a/gdb/linux-proc.c
+++ b/gdb/linux-proc.c
@@ -21,17 +21,17 @@
#include "defs.h"
#include "inferior.h"
-#include <sys/param.h> /* for MAXPATHLEN */
-#include <sys/procfs.h> /* for elf_gregset etc. */
-#include "gdb_stat.h" /* for struct stat */
-#include <ctype.h> /* for isdigit */
-#include <unistd.h> /* for open, pread64 */
-#include <fcntl.h> /* for O_RDONLY */
-#include "regcache.h" /* for registers_changed */
-#include "gregset.h" /* for gregset */
-#include "gdbcore.h" /* for get_exec_file */
-#include "gdbthread.h" /* for struct thread_info etc. */
-#include "elf-bfd.h" /* for elfcore_write_* */
+#include <sys/param.h> /* for MAXPATHLEN */
+#include <sys/procfs.h> /* for elf_gregset etc. */
+#include "gdb_stat.h" /* for struct stat */
+#include <ctype.h> /* for isdigit */
+#include <unistd.h> /* for open, pread64 */
+#include <fcntl.h> /* for O_RDONLY */
+#include "regcache.h" /* for registers_changed */
+#include "gregset.h" /* for gregset */
+#include "gdbcore.h" /* for get_exec_file */
+#include "gdbthread.h" /* for struct thread_info etc. */
+#include "elf-bfd.h" /* for elfcore_write_* */
#include "cli/cli-decode.h" /* for add_info */
#include "gdb_string.h"
@@ -69,28 +69,26 @@ child_pid_to_exec_file (int pid)
* Service function for corefiles and info proc.
*/
-static int
-read_mapping (FILE *mapfile,
- long long *addr,
- long long *endaddr,
- char *permissions,
- long long *offset,
- char *device,
- long long *inode,
- char *filename)
+static int
+read_mapping (FILE *mapfile,
+ long long *addr,
+ long long *endaddr,
+ char *permissions,
+ long long *offset,
+ char *device, long long *inode, char *filename)
{
- int ret = fscanf (mapfile, "%llx-%llx %s %llx %s %llx",
+ int ret = fscanf (mapfile, "%llx-%llx %s %llx %s %llx",
addr, endaddr, permissions, offset, device, inode);
if (ret > 0 && ret != EOF && *inode != 0)
{
/* Eat everything up to EOL for the filename. This will prevent
- weird filenames (such as one with embedded whitespace) from
- confusing this code. It also makes this code more robust
- in respect to annotations the kernel may add after the
- filename.
+ weird filenames (such as one with embedded whitespace) from
+ confusing this code. It also makes this code more robust
+ in respect to annotations the kernel may add after the
+ filename.
- Note the filename is used for informational purposes only. */
+ Note the filename is used for informational purposes only. */
ret += fscanf (mapfile, "%[^\n]\n", filename);
}
else
@@ -108,11 +106,9 @@ read_mapping (FILE *mapfile,
*/
static int
-linux_find_memory_regions (int (*func) (CORE_ADDR,
+linux_find_memory_regions (int (*func) (CORE_ADDR,
unsigned long,
- int, int, int,
- void *),
- void *obfd)
+ int, int, int, void *), void *obfd)
{
long long pid = PIDGET (inferior_ptid);
char mapsfilename[MAXPATHLEN];
@@ -128,31 +124,29 @@ linux_find_memory_regions (int (*func) (CORE_ADDR,
error ("Could not open %s\n", mapsfilename);
if (info_verbose)
- fprintf_filtered (gdb_stdout,
+ fprintf_filtered (gdb_stdout,
"Reading memory regions from %s\n", mapsfilename);
/* Now iterate until end-of-file. */
- while (read_mapping (mapsfile, &addr, &endaddr, &permissions[0],
+ while (read_mapping (mapsfile, &addr, &endaddr, &permissions[0],
&offset, &device[0], &inode, &filename[0]))
{
size = endaddr - addr;
/* Get the segment's permissions. */
- read = (strchr (permissions, 'r') != 0);
+ read = (strchr (permissions, 'r') != 0);
write = (strchr (permissions, 'w') != 0);
- exec = (strchr (permissions, 'x') != 0);
+ exec = (strchr (permissions, 'x') != 0);
if (info_verbose)
{
- fprintf_filtered (gdb_stdout,
- "Save segment, %lld bytes at 0x%s (%c%c%c)",
- size, paddr_nz (addr),
- read ? 'r' : ' ',
- write ? 'w' : ' ',
- exec ? 'x' : ' ');
+ fprintf_filtered (gdb_stdout,
+ "Save segment, %lld bytes at 0x%s (%c%c%c)",
+ size, paddr_nz (addr),
+ read ? 'r' : ' ',
+ write ? 'w' : ' ', exec ? 'x' : ' ');
if (filename && filename[0])
- fprintf_filtered (gdb_stdout,
- " for %s", filename);
+ fprintf_filtered (gdb_stdout, " for %s", filename);
fprintf_filtered (gdb_stdout, "\n");
}
@@ -169,7 +163,7 @@ linux_find_memory_regions (int (*func) (CORE_ADDR,
*/
static char *
-linux_do_thread_registers (bfd *obfd, ptid_t ptid,
+linux_do_thread_registers (bfd *obfd, ptid_t ptid,
char *note_data, int *note_size)
{
gdb_gregset_t gregs;
@@ -180,26 +174,23 @@ linux_do_thread_registers (bfd *obfd, ptid_t ptid,
unsigned long merged_pid = ptid_get_tid (ptid) << 16 | ptid_get_pid (ptid);
fill_gregset (&gregs, -1);
- note_data = (char *) elfcore_write_prstatus (obfd,
- note_data,
- note_size,
- merged_pid,
- stop_signal,
- &gregs);
+ note_data = (char *) elfcore_write_prstatus (obfd,
+ note_data,
+ note_size,
+ merged_pid,
+ stop_signal, &gregs);
fill_fpregset (&fpregs, -1);
- note_data = (char *) elfcore_write_prfpreg (obfd,
- note_data,
- note_size,
- &fpregs,
- sizeof (fpregs));
+ note_data = (char *) elfcore_write_prfpreg (obfd,
+ note_data,
+ note_size,
+ &fpregs, sizeof (fpregs));
#ifdef FILL_FPXREGSET
fill_fpxregset (&fpxregs, -1);
- note_data = (char *) elfcore_write_prxfpreg (obfd,
- note_data,
- note_size,
- &fpxregs,
- sizeof (fpxregs));
+ note_data = (char *) elfcore_write_prxfpreg (obfd,
+ note_data,
+ note_size,
+ &fpxregs, sizeof (fpxregs));
#endif
return note_data;
}
@@ -228,9 +219,9 @@ linux_corefile_thread_callback (struct thread_info *ti, void *data)
registers_changed ();
target_fetch_registers (-1); /* FIXME should not be necessary;
fill_gregset should do it automatically. */
- args->note_data = linux_do_thread_registers (args->obfd,
- ti->ptid,
- args->note_data,
+ args->note_data = linux_do_thread_registers (args->obfd,
+ ti->ptid,
+ args->note_data,
args->note_size);
args->num_notes++;
inferior_ptid = saved_ptid;
@@ -252,28 +243,24 @@ linux_make_note_section (bfd *obfd, int *note_size)
{
struct linux_corefile_thread_data thread_args;
struct cleanup *old_chain;
- char fname[16] = {'\0'};
- char psargs[80] = {'\0'};
+ char fname[16] = { '\0' };
+ char psargs[80] = { '\0' };
char *note_data = NULL;
ptid_t current_ptid = inferior_ptid;
if (get_exec_file (0))
{
strncpy (fname, strrchr (get_exec_file (0), '/') + 1, sizeof (fname));
- strncpy (psargs, get_exec_file (0),
- sizeof (psargs));
+ strncpy (psargs, get_exec_file (0), sizeof (psargs));
if (get_inferior_args ())
{
- strncat (psargs, " ",
- sizeof (psargs) - strlen (psargs));
- strncat (psargs, get_inferior_args (),
+ strncat (psargs, " ", sizeof (psargs) - strlen (psargs));
+ strncat (psargs, get_inferior_args (),
sizeof (psargs) - strlen (psargs));
}
- note_data = (char *) elfcore_write_prpsinfo (obfd,
- note_data,
- note_size,
- fname,
- psargs);
+ note_data = (char *) elfcore_write_prpsinfo (obfd,
+ note_data,
+ note_size, fname, psargs);
}
/* Dump information for threads. */
@@ -285,8 +272,8 @@ linux_make_note_section (bfd *obfd, int *note_size)
if (thread_args.num_notes == 0)
{
/* iterate_over_threads didn't come up with any threads;
- just use inferior_ptid. */
- note_data = linux_do_thread_registers (obfd, inferior_ptid,
+ just use inferior_ptid. */
+ note_data = linux_do_thread_registers (obfd, inferior_ptid,
note_data, note_size);
}
else
@@ -420,33 +407,30 @@ linux_info_proc_cmd (char *args, int from_tty)
if (TARGET_ADDR_BIT == 32)
{
header_fmt_string = "\t%10s %10s %10s %10s %7s\n";
- data_fmt_string = "\t%#10lx %#10lx %#10x %#10x %7s\n";
+ data_fmt_string = "\t%#10lx %#10lx %#10x %#10x %7s\n";
}
else
{
header_fmt_string = " %18s %18s %10s %10s %7s\n";
- data_fmt_string = " %#18lx %#18lx %#10x %#10x %7s\n";
+ data_fmt_string = " %#18lx %#18lx %#10x %#10x %7s\n";
}
printf_filtered ("Mapped address spaces:\n\n");
- printf_filtered (header_fmt_string,
+ printf_filtered (header_fmt_string,
"Start Addr",
" End Addr",
- " Size",
- " Offset",
- "objfile");
-
- while (read_mapping (procfile, &addr, &endaddr, &permissions[0],
+ " Size", " Offset", "objfile");
+
+ while (read_mapping (procfile, &addr, &endaddr, &permissions[0],
&offset, &device[0], &inode, &filename[0]))
{
size = endaddr - addr;
- printf_filtered (data_fmt_string,
- (unsigned long) addr, /* FIXME: pr_addr */
- (unsigned long) endaddr,
- (int) size,
- (unsigned int) offset,
+ printf_filtered (data_fmt_string, (unsigned long) addr, /* FIXME: pr_addr */
+ (unsigned long) endaddr,
+ (int) size,
+ (unsigned int) offset,
filename[0] ? filename : "");
-
+
}
fclose (procfile);
@@ -463,7 +447,7 @@ linux_info_proc_cmd (char *args, int from_tty)
printf_filtered (buffer);
fclose (procfile);
}
- else
+ else
warning ("unable to open /proc file '%s'", fname1);
}
if (stat_f || all)
@@ -493,16 +477,16 @@ linux_info_proc_cmd (char *args, int from_tty)
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("Flags: 0x%x\n", itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
- printf_filtered ("Minor faults (no memory page): %u\n",
+ printf_filtered ("Minor faults (no memory page): %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
- printf_filtered ("Minor faults, children: %u\n",
+ printf_filtered ("Minor faults, children: %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
- printf_filtered ("Major faults (memory page faults): %u\n",
+ printf_filtered ("Major faults (memory page faults): %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
- printf_filtered ("Major faults, children: %u\n",
+ printf_filtered ("Major faults, children: %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("utime: %d\n", itmp);
@@ -513,36 +497,34 @@ linux_info_proc_cmd (char *args, int from_tty)
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("stime, children: %d\n", itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
- printf_filtered ("jiffies remaining in current time slice: %d\n",
+ printf_filtered ("jiffies remaining in current time slice: %d\n",
itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
printf_filtered ("'nice' value: %d\n", itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
- printf_filtered ("jiffies until next timeout: %u\n",
+ printf_filtered ("jiffies until next timeout: %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
- printf_filtered ("jiffies until next SIGALRM: %u\n",
+ printf_filtered ("jiffies until next SIGALRM: %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%d ", &itmp) > 0)
- printf_filtered ("start time (jiffies since system boot): %d\n",
+ printf_filtered ("start time (jiffies since system boot): %d\n",
itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
- printf_filtered ("Virtual memory size: %u\n",
+ printf_filtered ("Virtual memory size: %u\n",
(unsigned int) itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
- printf_filtered ("Resident set size: %u\n",
- (unsigned int) itmp);
+ printf_filtered ("Resident set size: %u\n", (unsigned int) itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
- printf_filtered ("rlim: %u\n",
- (unsigned int) itmp);
+ printf_filtered ("rlim: %u\n", (unsigned int) itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("Start of text: 0x%x\n", itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("End of text: 0x%x\n", itmp);
if (fscanf (procfile, "%u ", &itmp) > 0)
printf_filtered ("Start of stack: 0x%x\n", itmp);
-#if 0 /* Don't know how architecture-dependent the rest is...
- Anyway the signal bitmap info is available from "status". */
+#if 0 /* Don't know how architecture-dependent the rest is...
+ Anyway the signal bitmap info is available from "status". */
if (fscanf (procfile, "%u ", &itmp) > 0) /* FIXME arch? */
printf_filtered ("Kernel stack pointer: 0x%x\n", itmp);
if (fscanf (procfile, "%u ", &itmp) > 0) /* FIXME arch? */
@@ -574,7 +556,7 @@ _initialize_linux_proc (void)
inftarg_set_find_memory_regions (linux_find_memory_regions);
inftarg_set_make_corefile_notes (linux_make_note_section);
- add_info ("proc", linux_info_proc_cmd,
+ add_info ("proc", linux_info_proc_cmd,
"Show /proc process information about any running process.\n\
Specify any process id, or use the program being debugged by default.\n\
Specify any of the following keywords for detailed info:\n\
@@ -584,9 +566,9 @@ Specify any of the following keywords for detailed info:\n\
all -- list all available /proc info.");
}
-int linux_proc_xfer_memory (CORE_ADDR addr, char *myaddr, int len, int write,
- struct mem_attrib *attrib,
- struct target_ops *target)
+int
+linux_proc_xfer_memory (CORE_ADDR addr, char *myaddr, int len, int write,
+ struct mem_attrib *attrib, struct target_ops *target)
{
int fd, ret;
char filename[64];
@@ -616,8 +598,7 @@ int linux_proc_xfer_memory (CORE_ADDR addr, char *myaddr, int len, int write,
#ifdef HAVE_PREAD64
if (pread64 (fd, myaddr, len, addr) != len)
#else
- if (lseek (fd, addr, SEEK_SET) == -1
- || read (fd, myaddr, len) != len)
+ if (lseek (fd, addr, SEEK_SET) == -1 || read (fd, myaddr, len) != len)
#endif
ret = 0;
else