From: Tom Tromey <tromey@redhat.com>
Date: Thu, 16 Feb 2012 21:07:20 +0000 (+0000)
Subject: 	* symfile.c (symbol_file_add_main_1): Use inferior's
X-Git-Tag: cygwin-1_7_11-release~68
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7dcd53a07458941ccf02e280b42f9d68dfb976b0;p=platform%2Fupstream%2Fbinutils.git

	* symfile.c (symbol_file_add_main_1): Use inferior's
	symfile_flags.
	* solib.c (solib_read_symbols): Use inferior's symfile_flags.
	* linux-nat.c (linux_child_follow_fork): Set symfile_flags on
	inferior.
	* infrun.c (handle_vfork_child_exec_or_exit): Set symfile_flags on
	inferior.
	(follow_exec): Use inferior's symfile_flags.
	* inferior.h (struct inferior) <symfile_flags>: New field.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 261b54e..77d2d7e 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,15 @@
+2012-02-16  Tom Tromey  <tromey@redhat.com>
+
+	* symfile.c (symbol_file_add_main_1): Use inferior's
+	symfile_flags.
+	* solib.c (solib_read_symbols): Use inferior's symfile_flags.
+	* linux-nat.c (linux_child_follow_fork): Set symfile_flags on
+	inferior.
+	* infrun.c (handle_vfork_child_exec_or_exit): Set symfile_flags on
+	inferior.
+	(follow_exec): Use inferior's symfile_flags.
+	* inferior.h (struct inferior) <symfile_flags>: New field.
+
 2012-02-16  Mike Frysinger  <vapier@gentoo.org>
 
 	PR gdb/9734:
diff --git a/gdb/inferior.h b/gdb/inferior.h
index 7857cbf..65abf26 100644
--- a/gdb/inferior.h
+++ b/gdb/inferior.h
@@ -516,6 +516,11 @@ struct inferior
      if any catching is necessary.  */
   int total_syscalls_count;
 
+  /* Default flags to pass to the symbol reading functions.  These are
+     used whenever a new objfile is created.  The valid values come
+     from enum symfile_add_flags.  */
+  int symfile_flags;
+
   /* Per inferior data-pointers required by other GDB modules.  */
   void **data;
   unsigned num_data;
diff --git a/gdb/infrun.c b/gdb/infrun.c
index d3dab9a..1b2da67 100644
--- a/gdb/infrun.c
+++ b/gdb/infrun.c
@@ -739,6 +739,7 @@ handle_vfork_child_exec_or_exit (int exec)
 	  pspace = add_program_space (maybe_new_address_space ());
 	  set_current_program_space (pspace);
 	  inf->removable = 1;
+	  inf->symfile_flags = SYMFILE_NO_READ;
 	  clone_program_space (pspace, inf->vfork_parent->pspace);
 	  inf->pspace = pspace;
 	  inf->aspace = pspace->aspace;
@@ -900,10 +901,13 @@ follow_exec (ptid_t pid, char *execd_pathname)
      solib_create_inferior_hook below.  breakpoint_re_set would fail to insert
      the breakpoints with the zero displacement.  */
 
-  symbol_file_add (execd_pathname, SYMFILE_MAINLINE | SYMFILE_DEFER_BP_RESET,
+  symbol_file_add (execd_pathname,
+		   (inf->symfile_flags
+		    | SYMFILE_MAINLINE | SYMFILE_DEFER_BP_RESET),
 		   NULL, 0);
 
-  set_initial_language ();
+  if ((inf->symfile_flags & SYMFILE_NO_READ) == 0)
+    set_initial_language ();
 
 #ifdef SOLIB_CREATE_INFERIOR_HOOK
   SOLIB_CREATE_INFERIOR_HOOK (PIDGET (inferior_ptid));
diff --git a/gdb/linux-nat.c b/gdb/linux-nat.c
index 6aab087..3731096 100644
--- a/gdb/linux-nat.c
+++ b/gdb/linux-nat.c
@@ -59,6 +59,7 @@
 #include "solib.h"
 #include "linux-osdata.h"
 #include "linux-tdep.h"
+#include "symfile.h"
 
 #ifndef SPUFS_MAGIC
 #define SPUFS_MAGIC 0x23c9b64e
@@ -723,6 +724,7 @@ holding the child stopped.  Try \"set detach-on-fork\" or \
 	  child_lp = add_lwp (inferior_ptid);
 	  child_lp->stopped = 1;
 	  child_lp->last_resume_kind = resume_stop;
+	  child_inf->symfile_flags = SYMFILE_NO_READ;
 
 	  /* If this is a vfork child, then the address-space is
 	     shared with the parent.  */
@@ -928,6 +930,7 @@ holding the child stopped.  Try \"set detach-on-fork\" or \
 	  child_inf->aspace = new_address_space ();
 	  child_inf->pspace = add_program_space (child_inf->aspace);
 	  child_inf->removable = 1;
+	  child_inf->symfile_flags = SYMFILE_NO_READ;
 	  set_current_program_space (child_inf->pspace);
 	  clone_program_space (child_inf->pspace, parent_pspace);
 
diff --git a/gdb/solib.c b/gdb/solib.c
index 84b9019..656e8df 100644
--- a/gdb/solib.c
+++ b/gdb/solib.c
@@ -592,6 +592,8 @@ solib_read_symbols (struct so_list *so, int flags)
     {
       volatile struct gdb_exception e;
 
+      flags |= current_inferior ()->symfile_flags;
+
       TRY_CATCH (e, RETURN_MASK_ERROR)
 	{
 	  struct section_addr_info *sap;
diff --git a/gdb/symfile.c b/gdb/symfile.c
index 7529196..11ddfe8 100644
--- a/gdb/symfile.c
+++ b/gdb/symfile.c
@@ -1246,14 +1246,17 @@ symbol_file_add_main (char *args, int from_tty)
 static void
 symbol_file_add_main_1 (char *args, int from_tty, int flags)
 {
-  const int add_flags = SYMFILE_MAINLINE | (from_tty ? SYMFILE_VERBOSE : 0);
+  const int add_flags = (current_inferior ()->symfile_flags
+			 | SYMFILE_MAINLINE | (from_tty ? SYMFILE_VERBOSE : 0));
+
   symbol_file_add (args, add_flags, NULL, flags);
 
   /* Getting new symbols may change our opinion about
      what is frameless.  */
   reinit_frame_cache ();
 
-  set_initial_language ();
+  if ((flags & SYMFILE_NO_READ) == 0)
+    set_initial_language ();
 }
 
 void