Many changes to procfs.c, mostly to expand the "info proc" command and to

[deliverable/binutils-gdb.git] / gdb / infrun.c

diff --git a/gdb/infrun.c b/gdb/infrun.c
index 9bd4d3e327fdada2ccab004da061f64c621355f5..98e7227e580ea9d8d29e91a3ed5eb2968ec8f67c 100644 (file)
--- a/gdb/infrun.c
+++ b/gdb/infrun.c
@@ -158,6 +158,9 @@ resume_cleanups PARAMS ((int));
 
 extern char **environ;
 
+extern int sys_nerr;
+extern char *sys_errlist[];
+
 extern struct target_ops child_ops;    /* In inftarg.c */
 
 /* Sigtramp is a routine that the kernel calls (which then calls the
@@ -198,6 +201,12 @@ extern struct target_ops child_ops;        /* In inftarg.c */
 #define IN_SOLIB_TRAMPOLINE(pc,name)   0
 #endif
 
+/* Notify other parts of gdb that might care that signal handling may
+   have changed for one or more signals. */
+#ifndef NOTICE_SIGNAL_HANDLING_CHANGE
+#define NOTICE_SIGNAL_HANDLING_CHANGE  /* No actions */
+#endif
+
 #ifdef TDESC
 #include "tdesc.h"
 int safe_to_init_tdesc_context = 0;
@@ -466,8 +475,6 @@ child_create_inferior (exec_file, allargs, env)
 {
   int pid;
   char *shell_command;
-  extern int sys_nerr;
-  extern char *sys_errlist[];
   char *shell_file;
   static char default_shell_file[] = SHELL_FILE;
   int len;
@@ -1128,7 +1135,7 @@ wait_for_inferior ()
 #if 0
            if (* step_frame_address == 0
                || (step_frame_address == stop_frame_address))
-#endif 0
+#endif
              {
                remove_step_breakpoint ();
                step_resume_break_address = 0;
@@ -1579,6 +1586,24 @@ remove_step_breakpoint ()
                              step_resume_break_shadow);
 }
 \f
+int signal_stop_state (signo)
+     int signo;
+{
+  return ((signo >= 0 && signo < NSIG) ? signal_stop[signo] : 0);
+}
+
+int signal_print_state (signo)
+     int signo;
+{
+  return ((signo >= 0 && signo < NSIG) ? signal_print[signo] : 0);
+}
+
+int signal_pass_state (signo)
+     int signo;
+{
+  return ((signo >= 0 && signo < NSIG) ? signal_program[signo] : 0);
+}
+
 static void
 sig_print_header ()
 {
@@ -1688,7 +1713,7 @@ handle_command (args, from_tty)
       /* Not a number and not a recognized flag word => complain.  */
       else
        {
-         error ("Unrecognized flag word: \"%s\".", p);
+         error ("Unrecognized or ambiguous flag word: \"%s\".", p);
        }
 
       /* Find start of next word.  */
@@ -1696,6 +1721,8 @@ handle_command (args, from_tty)
       while (*p == ' ' || *p == '\t') p++;
     }
 
+  NOTICE_SIGNAL_HANDLING_CHANGE;
+
   if (from_tty)
     {
       /* Show the results.  */