/* Machine-independent support for SVR4 /proc (process file system)
- Copyright (C) 1999, 2000, 2004, 2007 Free Software Foundation, Inc.
+ Copyright (C) 1999-2017 Free Software Foundation, Inc.
Written by Michael Snyder at Cygnus Solutions.
Based on work by Fred Fish, Stu Grossman, Geoff Noer, and others.
#define _STRUCTURED_PROC 1
#endif
-#include <stdio.h>
#include <sys/types.h>
#include <sys/procfs.h>
#ifdef HAVE_SYS_SYSCALL_H
#include <sys/fault.h>
#endif
+#include "proc-utils.h"
+
/* Much of the information used in the /proc interface, particularly
for printing status information, is kept as tables of structures of
the following form. These tables can be used to map numeric values
struct trans
{
int value; /* The numeric value. */
- char *name; /* The equivalent symbolic value. */
- char *desc; /* Short description of value. */
+ const char *name; /* The equivalent symbolic value. */
+ const char *desc; /* Short description of value. */
};
\f
/* Pretty print syscalls. */
-/* Ugh -- UnixWare and Solaris spell these differently! */
-
-#ifdef SYS_lwpcreate
-#define SYS_lwp_create SYS_lwpcreate
-#endif
-
-#ifdef SYS_lwpexit
-#define SYS_lwp_exit SYS_lwpexit
-#endif
-
-#ifdef SYS_lwpwait
-#define SYS_lwp_wait SYS_lwpwait
-#endif
-
-#ifdef SYS_lwpself
-#define SYS_lwp_self SYS_lwpself
-#endif
-
-#ifdef SYS_lwpinfo
-#define SYS_lwp_info SYS_lwpinfo
-#endif
-
-#ifdef SYS_lwpprivate
-#define SYS_lwp_private SYS_lwpprivate
-#endif
-
-#ifdef SYS_lwpkill
-#define SYS_lwp_kill SYS_lwpkill
-#endif
-
-#ifdef SYS_lwpsuspend
-#define SYS_lwp_suspend SYS_lwpsuspend
-#endif
-
-#ifdef SYS_lwpcontinue
-#define SYS_lwp_continue SYS_lwpcontinue
-#endif
-
-
/* Syscall translation table. */
#define MAX_SYSCALLS 262 /* Pretty arbitrary. */
-static char *syscall_table[MAX_SYSCALLS];
+static const char *syscall_table[MAX_SYSCALLS];
-void
+static void
init_syscall_table (void)
{
#ifdef SYS_BSD_getime
\f
/* Prettyprint signals. */
-/* Signal translation table. */
+/* Signal translation table, ordered ANSI-standard signals first,
+ other signals second, with signals in each block ordered by their
+ numerical values on a typical POSIX platform. */
static struct trans signal_table[] =
{
{ 0, "<no signal>", "no signal" },
+
+ /* SIGINT, SIGILL, SIGABRT, SIGFPE, SIGSEGV and SIGTERM
+ are ANSI-standard signals and are always available. */
+
+ { SIGINT, "SIGINT", "Interrupt (rubout)" },
+ { SIGILL, "SIGILL", "Illegal instruction" }, /* not reset when caught */
+ { SIGABRT, "SIGABRT", "used by abort()" }, /* replaces SIGIOT */
+ { SIGFPE, "SIGFPE", "Floating point exception" },
+ { SIGSEGV, "SIGSEGV", "Segmentation violation" },
+ { SIGTERM, "SIGTERM", "Software termination signal from kill" },
+
+ /* All other signals need preprocessor conditionals. */
+
#ifdef SIGHUP
{ SIGHUP, "SIGHUP", "Hangup" },
#endif
-#ifdef SIGINT
- { SIGINT, "SIGINT", "Interrupt (rubout)" },
-#endif
#ifdef SIGQUIT
{ SIGQUIT, "SIGQUIT", "Quit (ASCII FS)" },
#endif
-#ifdef SIGILL
- { SIGILL, "SIGILL", "Illegal instruction" }, /* not reset when caught */
-#endif
#ifdef SIGTRAP
{ SIGTRAP, "SIGTRAP", "Trace trap" }, /* not reset when caught */
#endif
-#ifdef SIGABRT
- { SIGABRT, "SIGABRT", "used by abort()" }, /* replaces SIGIOT */
-#endif
#ifdef SIGIOT
{ SIGIOT, "SIGIOT", "IOT instruction" },
#endif
#ifdef SIGEMT
{ SIGEMT, "SIGEMT", "EMT instruction" },
#endif
-#ifdef SIGFPE
- { SIGFPE, "SIGFPE", "Floating point exception" },
-#endif
#ifdef SIGKILL
{ SIGKILL, "SIGKILL", "Kill" }, /* Solaris: cannot be caught/ignored */
#endif
#ifdef SIGBUS
{ SIGBUS, "SIGBUS", "Bus error" },
#endif
-#ifdef SIGSEGV
- { SIGSEGV, "SIGSEGV", "Segmentation violation" },
-#endif
#ifdef SIGSYS
{ SIGSYS, "SIGSYS", "Bad argument to system call" },
#endif
#ifdef SIGALRM
{ SIGALRM, "SIGALRM", "Alarm clock" },
#endif
-#ifdef SIGTERM
- { SIGTERM, "SIGTERM", "Software termination signal from kill" },
-#endif
#ifdef SIGUSR1
{ SIGUSR1, "SIGUSR1", "User defined signal 1" },
#endif
{ SIGIO, "SIGIO", "Socket I/O possible" }, /* alias for SIGPOLL */
#endif
#ifdef SIGSTOP
- { SIGSTOP, "SIGSTOP", "Stop, not from tty" }, /* cannot be caught or ignored */
+ { SIGSTOP, "SIGSTOP", "Stop, not from tty" }, /* cannot be caught or
+ ignored */
#endif
#ifdef SIGTSTP
{ SIGTSTP, "SIGTSTP", "User stop from tty" },
#ifdef SIGAIO
{ SIGAIO, "SIGAIO", "Asynchronous I/O signal" },
#endif
+#ifdef SIGLIBRT
+ { SIGLIBRT, "SIGLIBRT", "Used by librt" },
+#endif
/* FIXME: add real-time signals. */
};
proc_prettyprint_actionset (struct sigaction *actions, int verbose)
{
}
-\f
-
-/* Provide a prototype to silence -Wmissing-prototypes. */
-void _initialize_proc_events (void);
void
_initialize_proc_events (void)