gdb/proc-api.c - gdb
Global variables defined
Data types defined
Functions defined
Macros defined
Source code
- #include "defs.h"
- #include "gdbcmd.h"
- #include "completer.h"
- #if defined (NEW_PROC_API)
- #define _STRUCTURED_PROC 1
- #endif
- #include <sys/types.h>
- #include <sys/procfs.h>
- #ifdef HAVE_SYS_PROC_H
- #include <sys/proc.h>
- #endif
- #ifdef HAVE_SYS_USER_H
- #include <sys/user.h>
- #endif
- #include <fcntl.h>
- #include "gdb_wait.h"
- #include "proc-utils.h"
- struct trans {
- long value;
- char *name;
- char *desc;
- };
- static int procfs_trace = 0;
- static FILE *procfs_file = NULL;
- static char *procfs_filename = "procfs_trace";
- static void
- prepare_to_trace (void)
- {
- if (procfs_trace)
- if (procfs_file == NULL)
- if (procfs_filename != NULL)
- procfs_file = fopen (procfs_filename, "a");
- }
- static void
- set_procfs_trace_cmd (char *args, int from_tty, struct cmd_list_element *c)
- {
- #if 0
- #endif
- }
- static void
- set_procfs_file_cmd (char *args, int from_tty, struct cmd_list_element *c)
- {
-
- if (procfs_file)
- fclose (procfs_file);
- procfs_file = NULL;
- }
- #ifndef NEW_PROC_API
- static struct trans ioctl_table[] = {
- #ifdef PIOCACINFO
- { PIOCACINFO, "PIOCACINFO", "get process account info" },
- #endif
- { PIOCACTION, "PIOCACTION", "get signal action structs" },
- #ifdef PIOCARGUMENTS
- { PIOCARGUMENTS, "PIOCARGUMENTS", "command line args" },
- #endif
- #ifdef PIOCAUXV
- { PIOCAUXV, "PIOCAUXV", "get aux vector" },
- { PIOCNAUXV, "PIOCNAUXV", "get number of aux vector entries" },
- #endif
- { PIOCCFAULT, "PIOCCFAULT", "clear current fault" },
- { PIOCCRED, "PIOCCRED", "get process credentials" },
- #ifdef PIOCENEVCTRS
- { PIOCENEVCTRS, "PIOCENEVCTRS", "acquire and start event counters" },
- { PIOCGETEVCTRL, "PIOCGETEVCTRL", "get control info of event counters" },
- { PIOCGETEVCTRS, "PIOCGETEVCTRS", "dump event counters" },
- { PIOCGETPREVCTRS, "PIOCGETPREVCTRS", "dump event counters & prusage info" },
- { PIOCRELEVCTRS, "PIOCRELEVCTRS", "release/stop event counters" },
- { PIOCSETEVCTRL, "PIOCSETEVCTRL", "set control info of event counters" },
- { PIOCGETPTIMER, "PIOCGETPTIMER", "get process timers" },
- #endif
- { PIOCGENTRY, "PIOCGENTRY", "get traced syscall entry set" },
- #if defined (PIOCGETPR)
- { PIOCGETPR, "PIOCGETPR", "read struct proc" },
- #endif
- #if defined (PIOCGETU)
- { PIOCGETU, "PIOCGETU", "read user area" },
- #endif
- #if defined (PIOCGETUTK) && (defined(KERNEL) || defined(SHOW_UTT))
- { PIOCGETUTK, "PIOCGETUTK", "get the utask struct" },
- #endif
- { PIOCGEXIT, "PIOCGEXIT", "get traced syscall exit set" },
- { PIOCGFAULT, "PIOCGFAULT", "get traced fault set" },
- #ifdef PIOCGFPCR
- { PIOCGFPCR, "PIOCGFPCR", "get FP control register" },
- { PIOCSFPCR, "PIOCSFPCR", "set FP conrtol register" },
- #endif
- { PIOCGFPREG, "PIOCGFPREG", "get floating point registers" },
- { PIOCGHOLD, "PIOCGHOLD", "get held signal set" },
- { PIOCGREG, "PIOCGREG", "get general registers" },
- { PIOCGROUPS, "PIOCGROUPS", "get supplementary groups" },
- #ifdef PIOCGSPCACT
- { PIOCGSPCACT, "PIOCGSPCACT", "get special action" },
- { PIOCSSPCACT, "PIOCSSPCACT", "set special action" },
- #endif
- { PIOCGTRACE, "PIOCGTRACE", "get traced signal set" },
- #ifdef PIOCGWATCH
- { PIOCGWATCH, "PIOCGWATCH", "get watchpoint" },
- { PIOCSWATCH, "PIOCSWATCH", "set watchpoint" },
- { PIOCNWATCH, "PIOCNWATCH", "get number of watchpoints" },
- #endif
- #ifdef PIOCGWIN
- { PIOCGWIN, "PIOCGWIN", "get gwindows_t" },
- #endif
- #ifdef PIOCGXREG
- { PIOCGXREGSIZE, "PIOCXREGSIZE", "get extra register state size" },
- { PIOCGXREG, "PIOCGXREG", "get extra register state" },
- { PIOCSXREG, "PIOCSXREG", "set extra register state" },
- #endif
- { PIOCKILL, "PIOCKILL", "send signal" },
- #ifdef PIOCLDT
- { PIOCLDT, "PIOCLDT", "get LDT" },
- { PIOCNLDT, "PIOCNLDT", "get number of LDT entries" },
- #endif
- #ifdef PIOCLSTATUS
- { PIOCLSTATUS, "PIOCLSTATUS", "get status of all lwps" },
- { PIOCLUSAGE, "PIOCLUSAGE", "get resource usage of all lwps" },
- { PIOCOPENLWP, "PIOCOPENLWP", "get lwp file descriptor" },
- { PIOCLWPIDS, "PIOCLWPIDS", "get lwp identifiers" },
- #endif
- { PIOCMAP, "PIOCMAP", "get memory map information" },
- { PIOCMAXSIG, "PIOCMAXSIG", "get max signal number" },
- { PIOCNICE, "PIOCNICE", "set nice priority" },
- { PIOCNMAP, "PIOCNMAP", "get number of memory mappings" },
- { PIOCOPENM, "PIOCOPENM", "open mapped object for reading" },
- #ifdef PIOCOPENMOBS
- { PIOCOPENMOBS, "PIOCOPENMOBS", "open mapped object" },
- #endif
- #ifdef PIOCOPENPD
- { PIOCOPENPD, "PIOCOPENPD", "get page data file descriptor" },
- #endif
- { PIOCPSINFO, "PIOCPSINFO", "get ps(1) information" },
- { PIOCRESET, "PIOCRESET", "reset process flags" },
- { PIOCRFORK, "PIOCRFORK", "reset inherit-on-fork flag" },
- { PIOCRRLC, "PIOCRRLC", "reset run-on-last-close flag" },
- { PIOCRUN, "PIOCRUN", "make process runnable" },
- #ifdef PIOCSAVECCNTRS
- { PIOCSAVECCNTRS, "PIOCSAVECCNTRS", "parent gets child cntrs" },
- #endif
- { PIOCSENTRY, "PIOCSENTRY", "set traced syscall entry set" },
- { PIOCSET, "PIOCSET", "set process flags" },
- { PIOCSEXIT, "PIOCSEXIT", "set traced syscall exit set" },
- { PIOCSFAULT, "PIOCSFAULT", "set traced fault set" },
- { PIOCSFORK, "PIOCSFORK", "set inherit-on-fork flag" },
- { PIOCSFPREG, "PIOCSFPREG", "set floating point registers" },
- { PIOCSHOLD, "PIOCSHOLD", "set held signal set" },
- { PIOCSREG, "PIOCSREG", "set general registers" },
- { PIOCSRLC, "PIOCSRLC", "set run-on-last-close flag" },
- { PIOCSSIG, "PIOCSSIG", "set current signal" },
- { PIOCSTATUS, "PIOCSTATUS", "get process status" },
- { PIOCSTOP, "PIOCSTOP", "post stop request" },
- { PIOCSTRACE, "PIOCSTRACE", "set traced signal set" },
- { PIOCUNKILL, "PIOCUNKILL", "delete a signal" },
- #ifdef PIOCUSAGE
- { PIOCUSAGE, "PIOCUSAGE", "get resource usage" },
- #endif
- { PIOCWSTOP, "PIOCWSTOP", "wait for process to stop" },
- #ifdef PIOCNTHR
- { PIOCNTHR, "PIOCNTHR", "get thread count" },
- { PIOCRTINH, "PIOCRTINH", "reset inherit-on-thread-creation" },
- { PIOCSTINH, "PIOCSTINH", "set inherit-on-thread-creation" },
- { PIOCTLIST, "PIOCTLIST", "get thread ids" },
- { PIOCXPTH, "PIOCXPTH", "translate port to thread handle" },
- { PIOCTRUN, "PIOCTRUN", "make thread runnable" },
- { PIOCTSTATUS, "PIOCTSTATUS", "get thread status" },
- { PIOCTSTOP, "PIOCTSTOP", "stop a thread" },
-
- #endif
- { -1, NULL, NULL }
- };
- int
- ioctl_with_trace (int fd, long opcode, void *ptr, char *file, int line)
- {
- int i = 0;
- int ret;
- int arg1;
- prepare_to_trace ();
- if (procfs_trace)
- {
- for (i = 0; ioctl_table[i].name != NULL; i++)
- if (ioctl_table[i].value == opcode)
- break;
- if (info_verbose)
- fprintf (procfs_file ? procfs_file : stdout,
- "%s:%d -- ", file, line);
- switch (opcode) {
- case PIOCSET:
- arg1 = ptr ? *(long *) ptr : 0;
- fprintf (procfs_file ? procfs_file : stdout,
- "ioctl (PIOCSET, %s) %s\n",
- arg1 == PR_FORK ? "PR_FORK" :
- arg1 == PR_RLC ? "PR_RLC" :
- #ifdef PR_ASYNC
- arg1 == PR_ASYNC ? "PR_ASYNC" :
- #endif
- "<unknown flag>",
- info_verbose ? ioctl_table[i].desc : "");
- break;
- case PIOCRESET:
- arg1 = ptr ? *(long *) ptr : 0;
- fprintf (procfs_file ? procfs_file : stdout,
- "ioctl (PIOCRESET, %s) %s\n",
- arg1 == PR_FORK ? "PR_FORK" :
- arg1 == PR_RLC ? "PR_RLC" :
- #ifdef PR_ASYNC
- arg1 == PR_ASYNC ? "PR_ASYNC" :
- #endif
- "<unknown flag>",
- info_verbose ? ioctl_table[i].desc : "");
- break;
- case PIOCSTRACE:
- fprintf (procfs_file ? procfs_file : stdout,
- "ioctl (PIOCSTRACE) ");
- proc_prettyfprint_signalset (procfs_file ? procfs_file : stdout,
- (sigset_t *) ptr, 0);
- break;
- case PIOCSFAULT:
- fprintf (procfs_file ? procfs_file : stdout,
- "ioctl (%s) ",
- opcode == PIOCSFAULT ? "PIOCSFAULT" : "PIOCGFAULT");
- proc_prettyfprint_faultset (procfs_file ? procfs_file : stdout,
- (fltset_t *) ptr, 0);
- break;
- case PIOCSENTRY:
- fprintf (procfs_file ? procfs_file : stdout,
- "ioctl (%s) ",
- opcode == PIOCSENTRY ? "PIOCSENTRY" : "PIOCGENTRY");
- proc_prettyfprint_syscalls (procfs_file ? procfs_file : stdout,
- (sysset_t *) ptr, 0);
- break;
- case PIOCSEXIT:
- fprintf (procfs_file ? procfs_file : stdout,
- "ioctl (%s) ",
- opcode == PIOCSEXIT ? "PIOCSEXIT" : "PIOCGEXIT");
- proc_prettyfprint_syscalls (procfs_file ? procfs_file : stdout,
- (sysset_t *) ptr, 0);
- break;
- case PIOCSHOLD:
- fprintf (procfs_file ? procfs_file : stdout,
- "ioctl (%s) ",
- opcode == PIOCSHOLD ? "PIOCSHOLD" : "PIOCGHOLD");
- proc_prettyfprint_signalset (procfs_file ? procfs_file : stdout,
- (sigset_t *) ptr, 0);
- break;
- case PIOCSSIG:
- fprintf (procfs_file ? procfs_file : stdout,
- "ioctl (PIOCSSIG) ");
- proc_prettyfprint_signal (procfs_file ? procfs_file : stdout,
- ptr ? ((siginfo_t *) ptr)->si_signo : 0,
- 0);
- fprintf (procfs_file ? procfs_file : stdout, "\n");
- break;
- case PIOCRUN:
- fprintf (procfs_file ? procfs_file : stdout,
- "ioctl (PIOCRUN) ");
- arg1 = ptr ? *(long *) ptr : 0;
- if (arg1 & PRCSIG)
- fprintf (procfs_file ? procfs_file : stdout, "clearSig ");
- if (arg1 & PRCFAULT)
- fprintf (procfs_file ? procfs_file : stdout, "clearFlt ");
- if (arg1 & PRSTRACE)
- fprintf (procfs_file ? procfs_file : stdout, "setTrace ");
- if (arg1 & PRSHOLD)
- fprintf (procfs_file ? procfs_file : stdout, "setHold ");
- if (arg1 & PRSFAULT)
- fprintf (procfs_file ? procfs_file : stdout, "setFlt ");
- if (arg1 & PRSVADDR)
- fprintf (procfs_file ? procfs_file : stdout, "setVaddr ");
- if (arg1 & PRSTEP)
- fprintf (procfs_file ? procfs_file : stdout, "step ");
- if (arg1 & PRSABORT)
- fprintf (procfs_file ? procfs_file : stdout, "syscallAbort ");
- if (arg1 & PRSTOP)
- fprintf (procfs_file ? procfs_file : stdout, "stopReq ");
- fprintf (procfs_file ? procfs_file : stdout, "\n");
- break;
- case PIOCKILL:
- fprintf (procfs_file ? procfs_file : stdout,
- "ioctl (PIOCKILL) ");
- proc_prettyfprint_signal (procfs_file ? procfs_file : stdout,
- ptr ? *(long *) ptr : 0, 0);
- fprintf (procfs_file ? procfs_file : stdout, "\n");
- break;
- #ifdef PIOCSSPCACT
- case PIOCSSPCACT:
- fprintf (procfs_file ? procfs_file : stdout,
- "ioctl (PIOCSSPCACT) ");
- arg1 = ptr ? *(long *) ptr : 0;
- if (arg1 & PRFS_STOPFORK)
- fprintf (procfs_file ? procfs_file : stdout, "stopFork ");
- if (arg1 & PRFS_STOPEXEC)
- fprintf (procfs_file ? procfs_file : stdout, "stopExec ");
- if (arg1 & PRFS_STOPTERM)
- fprintf (procfs_file ? procfs_file : stdout, "stopTerm ");
- if (arg1 & PRFS_STOPTCR)
- fprintf (procfs_file ? procfs_file : stdout, "stopThreadCreate ");
- if (arg1 & PRFS_STOPTTERM)
- fprintf (procfs_file ? procfs_file : stdout, "stopThreadTerm ");
- if (arg1 & PRFS_KOLC)
- fprintf (procfs_file ? procfs_file : stdout, "killOnLastClose ");
- fprintf (procfs_file ? procfs_file : stdout, "\n");
- break;
- #endif
- default:
- if (ioctl_table[i].name)
- fprintf (procfs_file ? procfs_file : stdout,
- "ioctl (%s) %s\n",
- ioctl_table[i].name,
- info_verbose ? ioctl_table[i].desc : "");
- else
- fprintf (procfs_file ? procfs_file : stdout,
- "ioctl (<unknown %ld (0x%lx)) \n", opcode, opcode);
- break;
- }
- if (procfs_file)
- fflush (procfs_file);
- }
- errno = 0;
- ret = ioctl (fd, opcode, ptr);
- if (procfs_trace && ret < 0)
- {
- fprintf (procfs_file ? procfs_file : stdout,
- "[ioctl (%s) FAILED! (%s)]\n",
- ioctl_table[i].name != NULL ?
- ioctl_table[i].name : "<unknown>",
- safe_strerror (errno));
- if (procfs_file)
- fflush (procfs_file);
- }
- return ret;
- }
- #else
- static struct trans rw_table[] = {
- #ifdef PCAGENT
- { PCAGENT, "PCAGENT", "create agent lwp with regs from argument" },
- #endif
- { PCCFAULT, "PCCFAULT", "clear current fault" },
- #ifdef PCCSIG
- { PCCSIG, "PCCSIG", "clear current signal" },
- #endif
- #ifdef PCDSTOP
- { PCDSTOP, "PCDSTOP", "post stop request" },
- #endif
- { PCKILL, "PCKILL", "post a signal" },
- #ifdef PCNICE
- { PCNICE, "PCNICE", "set nice priority" },
- #endif
- #ifdef PCREAD
- { PCREAD, "PCREAD", "read from the address space" },
- { PCWRITE, "PCWRITE", "write to the address space" },
- #endif
- { PCRUN, "PCRUN", "make process/lwp runnable" },
- #ifdef PCSASRS
- { PCSASRS, "PCSASRS", "set ancillary state registers" },
- #endif
- #ifdef PCSCRED
- { PCSCRED, "PCSCRED", "set process credentials" },
- #endif
- { 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" },
- #ifdef PCSHOLD
- { PCSHOLD, "PCSHOLD", "set signal mask" },
- #endif
- { PCSREG, "PCSREG", "set general registers" },
- { PCSSIG, "PCSSIG", "set current signal" },
- { PCSTOP, "PCSTOP", "post stop request and wait" },
- { PCSTRACE, "PCSTRACE", "set traced signal set" },
- #ifdef PCSVADDR
- { PCSVADDR, "PCSVADDR", "set pc virtual address" },
- #endif
- #ifdef PCSXREG
- { PCSXREG, "PCSXREG", "set extra registers" },
- #endif
- #ifdef PCTWSTOP
- { PCTWSTOP, "PCTWSTOP", "wait for stop, with timeout arg" },
- #endif
- #ifdef PCUNKILL
- { PCUNKILL, "PCUNKILL", "delete a pending signal" },
- #endif
- #ifdef PCUNSET
- { PCUNSET, "PCUNSET", "unset modes" },
- #endif
- #ifdef PCWATCH
- { PCWATCH, "PCWATCH", "set/unset watched memory area" },
- #endif
- { PCWSTOP, "PCWSTOP", "wait for process/lwp to stop, no timeout" },
- { 0, NULL, NULL }
- };
- static off_t lseek_offset;
- int
- write_with_trace (int fd, void *varg, size_t len, char *file, int line)
- {
- int i = ARRAY_SIZE (rw_table) - 1;
- int ret;
- procfs_ctl_t *arg = (procfs_ctl_t *) varg;
- prepare_to_trace ();
- if (procfs_trace)
- {
- procfs_ctl_t opcode = arg[0];
- for (i = 0; rw_table[i].name != NULL; i++)
- if (rw_table[i].value == opcode)
- 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" :
- #ifdef PR_ASYNC
- arg[1] == PR_ASYNC ? "PR_ASYNC" :
- #endif
- "<unknown flag>",
- info_verbose ? rw_table[i].desc : "");
- break;
- #ifdef PCUNSET
- case PCUNSET:
- #endif
- #ifdef PCRESET
- #if PCRESET != PCUNSET
- case PCRESET:
- #endif
- #endif
- fprintf (procfs_file ? procfs_file : stdout,
- "write (PCRESET, %s) %s\n",
- arg[1] == PR_FORK ? "PR_FORK" :
- arg[1] == PR_RLC ? "PR_RLC" :
- #ifdef PR_ASYNC
- arg[1] == PR_ASYNC ? "PR_ASYNC" :
- #endif
- "<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;
- #ifdef PCSHOLD
- case PCSHOLD:
- fprintf (procfs_file ? procfs_file : stdout,
- "write (PCSHOLD) ");
- proc_prettyfprint_signalset (procfs_file ? procfs_file : stdout,
- (sigset_t *) &arg[1], 0);
- break;
- #endif
- 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 ");
- #ifdef PRSABORT
- if (arg[1] & PRSABORT)
- fprintf (procfs_file ? procfs_file : stdout, "syscallAbort ");
- #endif
- #ifdef PRSTOP
- if (arg[1] & PRSTOP)
- fprintf (procfs_file ? procfs_file : stdout, "stopReq ");
- #endif
- 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);
- }
- errno = 0;
- ret = write (fd, (void *) arg, len);
- if (procfs_trace && ret != len)
- {
- fprintf (procfs_file ? procfs_file : stdout,
- "[write (%s) FAILED! (%s)]\n",
- rw_table[i].name != NULL ?
- rw_table[i].name : "<unknown>",
- safe_strerror (errno));
- if (procfs_file)
- fflush (procfs_file);
- }
- lseek_offset = -1;
- return ret;
- }
- off_t
- lseek_with_trace (int fd, off_t offset, int whence, char *file, int line)
- {
- off_t ret;
- prepare_to_trace ();
- errno = 0;
- ret = lseek (fd, offset, whence);
- 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));
- if (procfs_file)
- fflush (procfs_file);
- }
- return ret;
- }
- #endif
- int
- open_with_trace (char *filename, int mode, char *file, int line)
- {
- int ret;
- prepare_to_trace ();
- errno = 0;
- ret = open (filename, mode);
- if (procfs_trace)
- {
- if (info_verbose)
- 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);
- }
- else
- {
- 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);
- else if (mode == O_WRONLY)
- fprintf (procfs_file ? procfs_file : stdout, "O_WRONLY) %d\n",
- line);
- else if (mode == O_RDWR)
- fprintf (procfs_file ? procfs_file : stdout, "O_RDWR) %d\n",
- line);
- }
- if (procfs_file)
- fflush (procfs_file);
- }
- return ret;
- }
- int
- close_with_trace (int fd, char *file, int line)
- {
- int ret;
- prepare_to_trace ();
- errno = 0;
- ret = close (fd);
- if (procfs_trace)
- {
- if (info_verbose)
- 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));
- else
- fprintf (procfs_file ? procfs_file : stdout,
- "%d = close (%d)\n", ret, fd);
- if (procfs_file)
- fflush (procfs_file);
- }
- return ret;
- }
- pid_t
- wait_with_trace (int *wstat, char *file, int line)
- {
- int ret, lstat = 0;
- prepare_to_trace ();
- 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);
- if (procfs_file)
- fflush (procfs_file);
- }
- errno = 0;
- ret = wait (&lstat);
- if (procfs_trace)
- {
- if (errno)
- fprintf (procfs_file ? procfs_file : stdout,
- "[wait FAILED! (%s)]\n", safe_strerror (errno));
- else
- fprintf (procfs_file ? procfs_file : stdout,
- "returned pid %d, status 0x%x\n", ret, lstat);
- if (procfs_file)
- fflush (procfs_file);
- }
- if (wstat)
- *wstat = lstat;
- return ret;
- }
- void
- procfs_note (char *msg, char *file, int line)
- {
- prepare_to_trace ();
- if (procfs_trace)
- {
- if (info_verbose)
- fprintf (procfs_file ? procfs_file : stdout,
- "%s:%d -- ", file, line);
- fprintf (procfs_file ? procfs_file : stdout, "%s", msg);
- if (procfs_file)
- fflush (procfs_file);
- }
- }
- void
- proc_prettyfprint_status (long flags, int why, int what, int thread)
- {
- prepare_to_trace ();
- if (procfs_trace)
- {
- if (thread)
- fprintf (procfs_file ? procfs_file : stdout,
- "Thread %d: ", thread);
- 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);
- if (procfs_file)
- fflush (procfs_file);
- }
- }
- extern void _initialize_proc_api (void);
- void
- _initialize_proc_api (void)
- {
- struct cmd_list_element *c;
- 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
- &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
- &setlist, &showlist);
- }