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-rw-r--r--gdb/proc-api.c370
1 files changed, 177 insertions, 193 deletions
diff --git a/gdb/proc-api.c b/gdb/proc-api.c
index addda6d..9a0e031 100644
--- a/gdb/proc-api.c
+++ b/gdb/proc-api.c
@@ -30,9 +30,9 @@
#include <sys/types.h>
#include <sys/procfs.h>
-#include <sys/proc.h> /* for struct proc */
-#include <sys/user.h> /* for struct user */
-#include <fcntl.h> /* for O_RDWR etc. */
+#include <sys/proc.h> /* for struct proc */
+#include <sys/user.h> /* for struct user */
+#include <fcntl.h> /* for O_RDWR etc. */
#include "gdbsupport/gdb_wait.h"
#include "proc-utils.h"
@@ -42,37 +42,39 @@
following form. These tables can be used to map numeric values to
their symbolic names and to a string that describes their specific use. */
-struct trans {
- long value; /* The numeric value */
- const char *name; /* The equivalent symbolic value */
- const char *desc; /* Short description of value */
+struct trans
+{
+ long value; /* The numeric value */
+ const char *name; /* The equivalent symbolic value */
+ const char *desc; /* Short description of value */
};
-static bool procfs_trace = false;
-static FILE *procfs_file = NULL;
+static bool procfs_trace = false;
+static FILE *procfs_file = NULL;
static std::string procfs_filename = "procfs_trace";
static void
prepare_to_trace (void)
{
- if (procfs_trace) /* if procfs tracing turned on */
- if (procfs_file == NULL) /* if output file not yet open */
- procfs_file = fopen (procfs_filename.c_str (), "a"); /* open output file */
+ if (procfs_trace) /* if procfs tracing turned on */
+ if (procfs_file == NULL) /* if output file not yet open */
+ procfs_file
+ = fopen (procfs_filename.c_str (), "a"); /* open output file */
}
static void
-set_procfs_trace_cmd (const char *args,
- int from_tty, struct cmd_list_element *c)
+set_procfs_trace_cmd (const char *args, int from_tty,
+ struct cmd_list_element *c)
{
-#if 0 /* not sure what I might actually need to do here, if anything */
+#if 0 /* not sure what I might actually need to do here, if anything */
if (procfs_file)
fflush (procfs_file);
#endif
}
static void
-set_procfs_file_cmd (const char *args,
- int from_tty, struct cmd_list_element *c)
+set_procfs_file_cmd (const char *args, int from_tty,
+ struct cmd_list_element *c)
{
/* Just changed the filename for procfs tracing.
If a file was already open, close it. */
@@ -81,37 +83,36 @@ set_procfs_file_cmd (const char *args,
procfs_file = NULL;
}
-static struct trans rw_table[] = {
- { PCAGENT, "PCAGENT", "create agent lwp with regs from argument" },
- { PCCFAULT, "PCCFAULT", "clear current fault" },
- { PCCSIG, "PCCSIG", "clear current signal" },
- { PCDSTOP, "PCDSTOP", "post stop request" },
- { PCKILL, "PCKILL", "post a signal" },
- { PCNICE, "PCNICE", "set nice priority" },
- { PCREAD, "PCREAD", "read from the address space" },
- { PCWRITE, "PCWRITE", "write to the address space" },
- { PCRUN, "PCRUN", "make process/lwp runnable" },
- { PCSASRS, "PCSASRS", "set ancillary state registers" },
- { PCSCRED, "PCSCRED", "set process credentials" },
- { PCSENTRY, "PCSENTRY", "set traced syscall entry set" },
- { PCSET, "PCSET", "set modes" },
- { PCSEXIT, "PCSEXIT", "set traced syscall exit set" },
- { PCSFAULT, "PCSFAULT", "set traced fault set" },
- { PCSFPREG, "PCSFPREG", "set floating point registers" },
- { PCSHOLD, "PCSHOLD", "set signal mask" },
- { PCSREG, "PCSREG", "set general registers" },
- { PCSSIG, "PCSSIG", "set current signal" },
- { PCSTOP, "PCSTOP", "post stop request and wait" },
- { PCSTRACE, "PCSTRACE", "set traced signal set" },
- { PCSVADDR, "PCSVADDR", "set pc virtual address" },
- { PCSXREG, "PCSXREG", "set extra registers" },
- { PCTWSTOP, "PCTWSTOP", "wait for stop, with timeout arg" },
- { PCUNKILL, "PCUNKILL", "delete a pending signal" },
- { PCUNSET, "PCUNSET", "unset modes" },
- { PCWATCH, "PCWATCH", "set/unset watched memory area" },
- { PCWSTOP, "PCWSTOP", "wait for process/lwp to stop, no timeout" },
- { 0, NULL, NULL }
-};
+static struct trans rw_table[]
+ = { { PCAGENT, "PCAGENT", "create agent lwp with regs from argument" },
+ { PCCFAULT, "PCCFAULT", "clear current fault" },
+ { PCCSIG, "PCCSIG", "clear current signal" },
+ { PCDSTOP, "PCDSTOP", "post stop request" },
+ { PCKILL, "PCKILL", "post a signal" },
+ { PCNICE, "PCNICE", "set nice priority" },
+ { PCREAD, "PCREAD", "read from the address space" },
+ { PCWRITE, "PCWRITE", "write to the address space" },
+ { PCRUN, "PCRUN", "make process/lwp runnable" },
+ { PCSASRS, "PCSASRS", "set ancillary state registers" },
+ { PCSCRED, "PCSCRED", "set process credentials" },
+ { PCSENTRY, "PCSENTRY", "set traced syscall entry set" },
+ { PCSET, "PCSET", "set modes" },
+ { PCSEXIT, "PCSEXIT", "set traced syscall exit set" },
+ { PCSFAULT, "PCSFAULT", "set traced fault set" },
+ { PCSFPREG, "PCSFPREG", "set floating point registers" },
+ { PCSHOLD, "PCSHOLD", "set signal mask" },
+ { PCSREG, "PCSREG", "set general registers" },
+ { PCSSIG, "PCSSIG", "set current signal" },
+ { PCSTOP, "PCSTOP", "post stop request and wait" },
+ { PCSTRACE, "PCSTRACE", "set traced signal set" },
+ { PCSVADDR, "PCSVADDR", "set pc virtual address" },
+ { PCSXREG, "PCSXREG", "set extra registers" },
+ { PCTWSTOP, "PCTWSTOP", "wait for stop, with timeout arg" },
+ { PCUNKILL, "PCUNKILL", "delete a pending signal" },
+ { PCUNSET, "PCUNSET", "unset modes" },
+ { PCWATCH, "PCWATCH", "set/unset watched memory area" },
+ { PCWSTOP, "PCWSTOP", "wait for process/lwp to stop, no timeout" },
+ { 0, NULL, NULL } };
static off_t lseek_offset;
@@ -131,110 +132,100 @@ write_with_trace (int fd, void *varg, size_t len, char *file, int line)
break;
if (info_verbose)
- fprintf (procfs_file ? procfs_file : stdout,
- "%s:%d -- ", file, line);
- switch (opcode) {
- case PCSET:
- fprintf (procfs_file ? procfs_file : stdout,
- "write (PCSET, %s) %s\n",
- arg[1] == PR_FORK ? "PR_FORK" :
- arg[1] == PR_RLC ? "PR_RLC" :
- arg[1] == PR_ASYNC ? "PR_ASYNC" :
- "<unknown flag>",
- info_verbose ? rw_table[i].desc : "");
- break;
- case PCUNSET:
- fprintf (procfs_file ? procfs_file : stdout,
- "write (PCRESET, %s) %s\n",
- arg[1] == PR_FORK ? "PR_FORK" :
- arg[1] == PR_RLC ? "PR_RLC" :
- arg[1] == PR_ASYNC ? "PR_ASYNC" :
- "<unknown flag>",
- info_verbose ? rw_table[i].desc : "");
- break;
- case PCSTRACE:
- fprintf (procfs_file ? procfs_file : stdout,
- "write (PCSTRACE) ");
- proc_prettyfprint_signalset (procfs_file ? procfs_file : stdout,
- (sigset_t *) &arg[1], 0);
- break;
- case PCSFAULT:
- fprintf (procfs_file ? procfs_file : stdout,
- "write (PCSFAULT) ");
- proc_prettyfprint_faultset (procfs_file ? procfs_file : stdout,
- (fltset_t *) &arg[1], 0);
- break;
- case PCSENTRY:
- fprintf (procfs_file ? procfs_file : stdout,
- "write (PCSENTRY) ");
- proc_prettyfprint_syscalls (procfs_file ? procfs_file : stdout,
- (sysset_t *) &arg[1], 0);
- break;
- case PCSEXIT:
- fprintf (procfs_file ? procfs_file : stdout,
- "write (PCSEXIT) ");
- proc_prettyfprint_syscalls (procfs_file ? procfs_file : stdout,
- (sysset_t *) &arg[1], 0);
- break;
- case PCSHOLD:
- fprintf (procfs_file ? procfs_file : stdout,
- "write (PCSHOLD) ");
- proc_prettyfprint_signalset (procfs_file ? procfs_file : stdout,
- (sigset_t *) &arg[1], 0);
- break;
- case PCSSIG:
- fprintf (procfs_file ? procfs_file : stdout,
- "write (PCSSIG) ");
- proc_prettyfprint_signal (procfs_file ? procfs_file : stdout,
- arg[1] ? ((siginfo_t *) &arg[1])->si_signo
- : 0,
- 0);
- fprintf (procfs_file ? procfs_file : stdout, "\n");
- break;
- case PCRUN:
- fprintf (procfs_file ? procfs_file : stdout,
- "write (PCRUN) ");
- if (arg[1] & PRCSIG)
- fprintf (procfs_file ? procfs_file : stdout, "clearSig ");
- if (arg[1] & PRCFAULT)
- fprintf (procfs_file ? procfs_file : stdout, "clearFlt ");
- if (arg[1] & PRSTEP)
- fprintf (procfs_file ? procfs_file : stdout, "step ");
- if (arg[1] & PRSABORT)
- fprintf (procfs_file ? procfs_file : stdout, "syscallAbort ");
- if (arg[1] & PRSTOP)
- fprintf (procfs_file ? procfs_file : stdout, "stopReq ");
-
- fprintf (procfs_file ? procfs_file : stdout, "\n");
- break;
- case PCKILL:
- fprintf (procfs_file ? procfs_file : stdout,
- "write (PCKILL) ");
- proc_prettyfprint_signal (procfs_file ? procfs_file : stdout,
- arg[1], 0);
- fprintf (procfs_file ? procfs_file : stdout, "\n");
- break;
- default:
+ fprintf (procfs_file ? procfs_file : stdout, "%s:%d -- ", file, line);
+ switch (opcode)
{
- if (rw_table[i].name)
- fprintf (procfs_file ? procfs_file : stdout,
- "write (%s) %s\n",
- rw_table[i].name,
- info_verbose ? rw_table[i].desc : "");
- else
- {
- if (lseek_offset != -1)
- fprintf (procfs_file ? procfs_file : stdout,
- "write (<unknown>, %lud bytes at 0x%08lx) \n",
- (unsigned long) len, (unsigned long) lseek_offset);
- else
- fprintf (procfs_file ? procfs_file : stdout,
- "write (<unknown>, %lud bytes) \n",
- (unsigned long) len);
- }
+ case PCSET:
+ fprintf (procfs_file ? procfs_file : stdout,
+ "write (PCSET, %s) %s\n",
+ arg[1] == PR_FORK ? "PR_FORK"
+ : arg[1] == PR_RLC ? "PR_RLC"
+ : arg[1] == PR_ASYNC ? "PR_ASYNC"
+ : "<unknown flag>",
+ info_verbose ? rw_table[i].desc : "");
+ break;
+ case PCUNSET:
+ fprintf (procfs_file ? procfs_file : stdout,
+ "write (PCRESET, %s) %s\n",
+ arg[1] == PR_FORK ? "PR_FORK"
+ : arg[1] == PR_RLC ? "PR_RLC"
+ : arg[1] == PR_ASYNC ? "PR_ASYNC"
+ : "<unknown flag>",
+ info_verbose ? rw_table[i].desc : "");
+ break;
+ case PCSTRACE:
+ fprintf (procfs_file ? procfs_file : stdout, "write (PCSTRACE) ");
+ proc_prettyfprint_signalset (procfs_file ? procfs_file : stdout,
+ (sigset_t *) &arg[1], 0);
+ break;
+ case PCSFAULT:
+ fprintf (procfs_file ? procfs_file : stdout, "write (PCSFAULT) ");
+ proc_prettyfprint_faultset (procfs_file ? procfs_file : stdout,
+ (fltset_t *) &arg[1], 0);
+ break;
+ case PCSENTRY:
+ fprintf (procfs_file ? procfs_file : stdout, "write (PCSENTRY) ");
+ proc_prettyfprint_syscalls (procfs_file ? procfs_file : stdout,
+ (sysset_t *) &arg[1], 0);
+ break;
+ case PCSEXIT:
+ fprintf (procfs_file ? procfs_file : stdout, "write (PCSEXIT) ");
+ proc_prettyfprint_syscalls (procfs_file ? procfs_file : stdout,
+ (sysset_t *) &arg[1], 0);
+ break;
+ case PCSHOLD:
+ fprintf (procfs_file ? procfs_file : stdout, "write (PCSHOLD) ");
+ proc_prettyfprint_signalset (procfs_file ? procfs_file : stdout,
+ (sigset_t *) &arg[1], 0);
break;
+ case PCSSIG:
+ fprintf (procfs_file ? procfs_file : stdout, "write (PCSSIG) ");
+ proc_prettyfprint_signal (procfs_file ? procfs_file : stdout,
+ arg[1] ? ((siginfo_t *) &arg[1])->si_signo
+ : 0,
+ 0);
+ fprintf (procfs_file ? procfs_file : stdout, "\n");
+ break;
+ case PCRUN:
+ fprintf (procfs_file ? procfs_file : stdout, "write (PCRUN) ");
+ if (arg[1] & PRCSIG)
+ fprintf (procfs_file ? procfs_file : stdout, "clearSig ");
+ if (arg[1] & PRCFAULT)
+ fprintf (procfs_file ? procfs_file : stdout, "clearFlt ");
+ if (arg[1] & PRSTEP)
+ fprintf (procfs_file ? procfs_file : stdout, "step ");
+ if (arg[1] & PRSABORT)
+ fprintf (procfs_file ? procfs_file : stdout, "syscallAbort ");
+ if (arg[1] & PRSTOP)
+ fprintf (procfs_file ? procfs_file : stdout, "stopReq ");
+
+ fprintf (procfs_file ? procfs_file : stdout, "\n");
+ break;
+ case PCKILL:
+ fprintf (procfs_file ? procfs_file : stdout, "write (PCKILL) ");
+ proc_prettyfprint_signal (procfs_file ? procfs_file : stdout, arg[1],
+ 0);
+ fprintf (procfs_file ? procfs_file : stdout, "\n");
+ break;
+ default:
+ {
+ if (rw_table[i].name)
+ fprintf (procfs_file ? procfs_file : stdout, "write (%s) %s\n",
+ rw_table[i].name, info_verbose ? rw_table[i].desc : "");
+ else
+ {
+ if (lseek_offset != -1)
+ fprintf (procfs_file ? procfs_file : stdout,
+ "write (<unknown>, %lud bytes at 0x%08lx) \n",
+ (unsigned long) len, (unsigned long) lseek_offset);
+ else
+ fprintf (procfs_file ? procfs_file : stdout,
+ "write (<unknown>, %lud bytes) \n",
+ (unsigned long) len);
+ }
+ break;
+ }
}
- }
if (procfs_file)
fflush (procfs_file);
}
@@ -242,10 +233,9 @@ write_with_trace (int fd, void *varg, size_t len, char *file, int line)
ret = write (fd, (void *) arg, len);
if (procfs_trace && ret != len)
{
- fprintf (procfs_file ? procfs_file : stdout,
+ fprintf (procfs_file ? procfs_file : stdout,
"[write (%s) FAILED! (%s)]\n",
- rw_table[i].name != NULL ?
- rw_table[i].name : "<unknown>",
+ rw_table[i].name != NULL ? rw_table[i].name : "<unknown>",
safe_strerror (errno));
if (procfs_file)
fflush (procfs_file);
@@ -266,9 +256,9 @@ lseek_with_trace (int fd, off_t offset, int whence, char *file, int line)
lseek_offset = ret;
if (procfs_trace && (ret == -1 || errno != 0))
{
- fprintf (procfs_file ? procfs_file : stdout,
- "[lseek (0x%08lx) FAILED! (%s)]\n",
- (unsigned long) offset, safe_strerror (errno));
+ fprintf (procfs_file ? procfs_file : stdout,
+ "[lseek (0x%08lx) FAILED! (%s)]\n", (unsigned long) offset,
+ safe_strerror (errno));
if (procfs_file)
fflush (procfs_file);
}
@@ -287,19 +277,18 @@ open_with_trace (char *filename, int mode, char *file, int line)
if (procfs_trace)
{
if (info_verbose)
- fprintf (procfs_file ? procfs_file : stdout,
- "%s:%d -- ", file, line);
+ fprintf (procfs_file ? procfs_file : stdout, "%s:%d -- ", file, line);
if (errno)
{
- fprintf (procfs_file ? procfs_file : stdout,
- "[open FAILED! (%s) line %d]\\n",
- safe_strerror (errno), line);
+ fprintf (procfs_file ? procfs_file : stdout,
+ "[open FAILED! (%s) line %d]\\n", safe_strerror (errno),
+ line);
}
else
{
- fprintf (procfs_file ? procfs_file : stdout,
- "%d = open (%s, ", ret, filename);
+ fprintf (procfs_file ? procfs_file : stdout, "%d = open (%s, ", ret,
+ filename);
if (mode == O_RDONLY)
fprintf (procfs_file ? procfs_file : stdout, "O_RDONLY) %d\n",
line);
@@ -328,14 +317,13 @@ close_with_trace (int fd, char *file, int line)
if (procfs_trace)
{
if (info_verbose)
- fprintf (procfs_file ? procfs_file : stdout,
- "%s:%d -- ", file, line);
+ fprintf (procfs_file ? procfs_file : stdout, "%s:%d -- ", file, line);
if (errno)
- fprintf (procfs_file ? procfs_file : stdout,
- "[close FAILED! (%s)]\n", safe_strerror (errno));
+ fprintf (procfs_file ? procfs_file : stdout, "[close FAILED! (%s)]\n",
+ safe_strerror (errno));
else
- fprintf (procfs_file ? procfs_file : stdout,
- "%d = close (%d)\n", ret, fd);
+ fprintf (procfs_file ? procfs_file : stdout, "%d = close (%d)\n", ret,
+ fd);
if (procfs_file)
fflush (procfs_file);
}
@@ -352,10 +340,8 @@ wait_with_trace (int *wstat, char *file, int line)
if (procfs_trace)
{
if (info_verbose)
- fprintf (procfs_file ? procfs_file : stdout,
- "%s:%d -- ", file, line);
- fprintf (procfs_file ? procfs_file : stdout,
- "wait (line %d) ", line);
+ fprintf (procfs_file ? procfs_file : stdout, "%s:%d -- ", file, line);
+ fprintf (procfs_file ? procfs_file : stdout, "wait (line %d) ", line);
if (procfs_file)
fflush (procfs_file);
}
@@ -364,10 +350,10 @@ wait_with_trace (int *wstat, char *file, int line)
if (procfs_trace)
{
if (errno)
- fprintf (procfs_file ? procfs_file : stdout,
- "[wait FAILED! (%s)]\n", safe_strerror (errno));
+ fprintf (procfs_file ? procfs_file : stdout, "[wait FAILED! (%s)]\n",
+ safe_strerror (errno));
else
- fprintf (procfs_file ? procfs_file : stdout,
+ fprintf (procfs_file ? procfs_file : stdout,
"returned pid %d, status 0x%x\n", ret, lstat);
if (procfs_file)
fflush (procfs_file);
@@ -385,8 +371,7 @@ procfs_note (const char *msg, const char *file, int line)
if (procfs_trace)
{
if (info_verbose)
- fprintf (procfs_file ? procfs_file : stdout,
- "%s:%d -- ", file, line);
+ fprintf (procfs_file ? procfs_file : stdout, "%s:%d -- ", file, line);
fprintf (procfs_file ? procfs_file : stdout, "%s", msg);
if (procfs_file)
fflush (procfs_file);
@@ -400,35 +385,34 @@ proc_prettyfprint_status (long flags, int why, int what, int thread)
if (procfs_trace)
{
if (thread)
- fprintf (procfs_file ? procfs_file : stdout,
- "Thread %d: ", thread);
+ fprintf (procfs_file ? procfs_file : stdout, "Thread %d: ", thread);
- proc_prettyfprint_flags (procfs_file ? procfs_file : stdout,
- flags, 0);
+ proc_prettyfprint_flags (procfs_file ? procfs_file : stdout, flags, 0);
if (flags & (PR_STOPPED | PR_ISTOP))
- proc_prettyfprint_why (procfs_file ? procfs_file : stdout,
- why, what, 0);
+ proc_prettyfprint_why (procfs_file ? procfs_file : stdout, why, what,
+ 0);
if (procfs_file)
fflush (procfs_file);
}
}
void _initialize_proc_api ();
+
void
_initialize_proc_api ()
{
- add_setshow_boolean_cmd ("procfs-trace", no_class, &procfs_trace, _("\
-Set tracing for /proc api calls."), _("\
-Show tracing for /proc api calls."), NULL,
- set_procfs_trace_cmd,
- NULL, /* FIXME: i18n: */
+ add_setshow_boolean_cmd ("procfs-trace", no_class, &procfs_trace, _ ("\
+Set tracing for /proc api calls."),
+ _ ("\
+Show tracing for /proc api calls."),
+ NULL, set_procfs_trace_cmd, NULL, /* FIXME: i18n: */
&setlist, &showlist);
- add_setshow_filename_cmd ("procfs-file", no_class, &procfs_filename, _("\
-Set filename for /proc tracefile."), _("\
-Show filename for /proc tracefile."), NULL,
- set_procfs_file_cmd,
- NULL, /* FIXME: i18n: */
+ add_setshow_filename_cmd ("procfs-file", no_class, &procfs_filename, _ ("\
+Set filename for /proc tracefile."),
+ _ ("\
+Show filename for /proc tracefile."),
+ NULL, set_procfs_file_cmd, NULL, /* FIXME: i18n: */
&setlist, &showlist);
}
generated by cgit v1.1 at 2024-08-05 01:56:17 +0000