lynx-low: Add debug trace when new thread is discovered.

[deliverable/binutils-gdb.git] / gdb / gdbserver / lynx-low.c

diff --git a/gdb/gdbserver/lynx-low.c b/gdb/gdbserver/lynx-low.c
index 3f189196f7693cbda99cff39a26feb31416973c1..3c217e200f0ef1800ba1ac332ac25c5a0e9763dc 100644 (file)
--- a/gdb/gdbserver/lynx-low.c
+++ b/gdb/gdbserver/lynx-low.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+/* Copyright (C) 2009-2012 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -25,7 +25,7 @@
 #include <unistd.h>
 #include <sys/ioctl.h>
 #include <sys/types.h>
-#include <sys/wait.h>
+#include "gdb_wait.h"
 #include <signal.h>
 
 int using_threads = 1;
@@ -255,9 +255,14 @@ ptrace_request_to_str (int request)
       case PTRACE_GETLOADINFO:
         return "PTRACE_GETLOADINFO";
         break;
+      case PTRACE_GETTRACESIG:
+       return "PTRACE_GETTRACESIG";
+       break;
+#ifdef PTRACE_GETTHREADLIST
       case PTRACE_GETTHREADLIST:
         return "PTRACE_GETTHREADLIST";
         break;
+#endif
     }
   return "<unknown-request>";
 }
@@ -291,7 +296,6 @@ lynx_ptrace (int request, ptid_t ptid, int addr, int data, int addr2)
 static int
 lynx_create_inferior (char *program, char **allargs)
 {
-  struct process_info *new_process;
   int pid;
 
   lynx_debug ("lynx_create_inferior ()");
@@ -316,7 +320,7 @@ lynx_create_inferior (char *program, char **allargs)
       _exit (0177);
     }
 
-  new_process = add_process (pid, 0);
+  add_process (pid, 0);
   /* Do not add the process thread just yet, as we do not know its tid.
      We will add it later, during the wait for the STOP event corresponding
      to the lynx_ptrace (PTRACE_TRACEME) call above.  */
@@ -328,14 +332,13 @@ lynx_create_inferior (char *program, char **allargs)
 static int
 lynx_attach (unsigned long pid)
 {
-  struct process_info *new_process;
   ptid_t ptid = lynx_ptid_build (pid, 0);
 
   if (lynx_ptrace (PTRACE_ATTACH, ptid, 0, 0, 0) != 0)
     error ("Cannot attach to process %lu: %s (%d)\n", pid,
           strerror (errno), errno);
 
-  new_process = add_process (pid, 1);
+  add_process (pid, 1);
   add_thread (ptid, NULL);
 
   return 0;
@@ -445,12 +448,16 @@ retry:
      for non-threaded applications where the new-thread events are not
      generated.  */
   if (!find_thread_ptid (new_ptid))
-    add_thread (new_ptid, NULL);
+    {
+      lynx_debug ("New thread: (pid = %d, tid = %d)",
+                 lynx_ptid_get_pid (new_ptid), lynx_ptid_get_tid (new_ptid));
+      add_thread (new_ptid, NULL);
+    }
 
   if (WIFSTOPPED (wstat))
     {
       status->kind = TARGET_WAITKIND_STOPPED;
-      status->value.integer = target_signal_from_host (WSTOPSIG (wstat));
+      status->value.integer = gdb_signal_from_host (WSTOPSIG (wstat));
       lynx_debug ("process stopped with signal: %d",
                   status->value.integer);
     }
@@ -463,7 +470,7 @@ retry:
   else if (WIFSIGNALED (wstat))
     {
       status->kind = TARGET_WAITKIND_SIGNALLED;
-      status->value.integer = target_signal_from_host (WTERMSIG (wstat));
+      status->value.integer = gdb_signal_from_host (WTERMSIG (wstat));
       lynx_debug ("process terminated with code: %d",
                   status->value.integer);
     }
@@ -473,7 +480,7 @@ retry:
         in fact get here.  But if we do, handle the event the best
         we can.  */
       status->kind = TARGET_WAITKIND_STOPPED;
-      status->value.integer = target_signal_from_host (0);
+      status->value.integer = gdb_signal_from_host (0);
       lynx_debug ("unknown event ????");
     }
 
@@ -481,7 +488,7 @@ retry:
      breakpoint events (Eg. new-thread events).  Handle those other types
      of events, and resume the execution if necessary.  */
   if (status->kind == TARGET_WAITKIND_STOPPED
-      && status->value.integer == TARGET_SIGNAL_TRAP)
+      && status->value.integer == GDB_SIGNAL_TRAP)
     {
       const int realsig = lynx_ptrace (PTRACE_GETTRACESIG, new_ptid, 0, 0, 0);