gdbserver crash if gdb attaches too fast

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

diff --git a/gdb/gdbserver/lynx-low.c b/gdb/gdbserver/lynx-low.c
index ee7b28a3a0b6188abbbcad87f48cf9b7795e397a..36ab0a3b2d8ef96054a62228db178a0ae01404dc 100644 (file)
--- a/gdb/gdbserver/lynx-low.c
+++ b/gdb/gdbserver/lynx-low.c
@@ -218,7 +218,7 @@ lynx_add_process (int pid, int attached)
 
   proc = add_process (pid, attached);
   proc->tdesc = lynx_tdesc;
-  proc->priv = xcalloc (1, sizeof (*proc->priv));
+  proc->priv = XCNEW (struct process_info_private);
   proc->priv->last_wait_event_ptid = null_ptid;
 
   return proc;
@@ -343,7 +343,7 @@ lynx_resume (struct thread_resume *resume_info, size_t n)
   if (ptid_equal (ptid, minus_one_ptid))
     ptid = thread_to_gdb_id (current_thread);
 
-  regcache_invalidate ();
+  regcache_invalidate_pid (ptid_get_pid (ptid));
 
   errno = 0;
   lynx_ptrace (request, ptid, 1, signal, 0);
@@ -713,7 +713,7 @@ lynx_write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, int len)
 static void
 lynx_request_interrupt (void)
 {
-  ptid_t inferior_ptid = thread_to_gdb_id (current_thread);
+  ptid_t inferior_ptid = thread_to_gdb_id (get_first_thread ());
 
   kill (lynx_ptid_get_pid (inferior_ptid), SIGINT);
 }
@@ -722,6 +722,7 @@ lynx_request_interrupt (void)
 
 static struct target_ops lynx_target_ops = {
   lynx_create_inferior,
+  NULL,  /* arch_setup */
   lynx_attach,
   lynx_kill,
   lynx_detach,
@@ -746,10 +747,7 @@ static struct target_ops lynx_target_ops = {
   NULL,  /* supports_stopped_by_sw_breakpoint */
   NULL,  /* stopped_by_hw_breakpoint */
   NULL,  /* supports_stopped_by_hw_breakpoint */
-  /* Although lynx has hardware single step, still disable this
-     feature for lynx, because it is implemented in linux-low.c instead
-     of in generic code.  */
-  NULL,  /* supports_conditional_breakpoints */
+  target_can_do_hardware_single_step,
   NULL,  /* stopped_by_watchpoint */
   NULL,  /* stopped_data_address */
   NULL,  /* read_offsets */
@@ -764,6 +762,7 @@ static struct target_ops lynx_target_ops = {
   NULL,  /* supports_multi_process */
   NULL,  /* supports_fork_events */
   NULL,  /* supports_vfork_events */
+  NULL,  /* supports_exec_events */
   NULL,  /* handle_new_gdb_connection */
   NULL,  /* handle_monitor_command */
 };