Don't close thread handles provided by WaitForDebugEvent

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

diff --git a/gdb/annotate.c b/gdb/annotate.c
index 495aa2dba68d2d851ab45ff156809fddccf35ffd..0a4e2f27cac0cb8579cc263f034fd51fe79bd783 100644 (file)
--- a/gdb/annotate.c
+++ b/gdb/annotate.c
@@ -1,5 +1,5 @@
 /* Annotation routines for GDB.
-   Copyright (C) 1986-2018 Free Software Foundation, Inc.
+   Copyright (C) 1986-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -26,6 +26,9 @@
 #include "inferior.h"
 #include "infrun.h"
 #include "top.h"
+#include "source.h"
+#include "objfiles.h"
+#include "source-cache.h"
 \f
 
 /* Prototypes for local functions.  */
@@ -61,17 +64,10 @@ annotate_breakpoints_invalid (void)
       && (!breakpoints_invalid_emitted
          || current_ui->prompt_state != PROMPT_BLOCKED))
     {
-      /* If the inferior owns the terminal (e.g., we're resuming),
-        make sure to leave with the inferior still owning it.  */
-      int was_inferior = target_terminal::is_inferior ();
-
+      target_terminal::scoped_restore_terminal_state term_state;
       target_terminal::ours_for_output ();
 
       printf_unfiltered (("\n\032\032breakpoints-invalid\n"));
-
-      if (was_inferior)
-       target_terminal::inferior ();
-
       breakpoints_invalid_emitted = 1;
     }
 }
@@ -208,17 +204,10 @@ annotate_frames_invalid (void)
       && (!frames_invalid_emitted
          || current_ui->prompt_state != PROMPT_BLOCKED))
     {
-      /* If the inferior owns the terminal (e.g., we're resuming),
-        make sure to leave with the inferior still owning it.  */
-      int was_inferior = target_terminal::is_inferior ();
-
+      target_terminal::scoped_restore_terminal_state term_state;
       target_terminal::ours_for_output ();
 
       printf_unfiltered (("\n\032\032frames-invalid\n"));
-
-      if (was_inferior)
-       target_terminal::inferior ();
-
       frames_invalid_emitted = 1;
     }
 }
@@ -241,6 +230,19 @@ annotate_thread_changed (void)
     }
 }
 
+/* Emit notification on thread exit.  */
+
+static void
+annotate_thread_exited (struct thread_info *t, int silent)
+{
+  if (annotation_level > 1)
+    {
+      printf_filtered(("\n\032\032thread-exited,"
+                       "id=\"%d\",group-id=\"i%d\"\n"),
+                      t->global_num, t->inf->num);
+    }
+}
+
 void
 annotate_field_begin (struct type *type)
 {
@@ -418,8 +420,8 @@ annotate_arg_end (void)
     printf_filtered (("\n\032\032arg-end\n"));
 }
 
-void
-annotate_source (char *filename, int line, int character, int mid,
+static void
+annotate_source (const char *filename, int line, int character, int mid,
                 struct gdbarch *gdbarch, CORE_ADDR pc)
 {
   if (annotation_level > 1)
@@ -431,6 +433,38 @@ annotate_source (char *filename, int line, int character, int mid,
                   mid ? "middle" : "beg", paddress (gdbarch, pc));
 }
 
+/* See annotate.h.  */
+
+bool
+annotate_source_line (struct symtab *s, int line, int mid_statement,
+                     CORE_ADDR pc)
+{
+  if (annotation_level > 0)
+    {
+      const std::vector<off_t> *offsets;
+      if (!g_source_cache.get_line_charpos (s, &offsets))
+       return false;
+      if (line > offsets->size ())
+       return false;
+
+      annotate_source (s->fullname, line, (int) (*offsets)[line - 1],
+                      mid_statement, SYMTAB_OBJFILE (s)->arch (),
+                      pc);
+
+      /* Update the current symtab and line.  */
+      symtab_and_line sal;
+      sal.pspace = SYMTAB_PSPACE (s);
+      sal.symtab = s;
+      sal.line = line;
+      set_current_source_symtab_and_line (sal);
+
+      return true;
+    }
+
+  return false;
+}
+
+
 void
 annotate_frame_begin (int level, struct gdbarch *gdbarch, CORE_ADDR pc)
 {
@@ -589,10 +623,12 @@ breakpoint_changed (struct breakpoint *b)
   annotate_breakpoints_invalid ();
 }
 
+void _initialize_annotate ();
 void
-_initialize_annotate (void)
+_initialize_annotate ()
 {
   gdb::observers::breakpoint_created.attach (breakpoint_changed);
   gdb::observers::breakpoint_deleted.attach (breakpoint_changed);
   gdb::observers::breakpoint_modified.attach (breakpoint_changed);
+  gdb::observers::thread_exit.attach (annotate_thread_exited);
 }