* rs6000-tdep.c (BL_MASK, BL_INSTRUCTION, BL_DISPLACEMENT_MASK):

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

diff --git a/gdb/exec.c b/gdb/exec.c
index e5f16183099162e566e91af8b6a55e81415bcf15..ff9448182356dbbacfdd57434da566ce21b0ba50 100644 (file)
--- a/gdb/exec.c
+++ b/gdb/exec.c
@@ -1,7 +1,8 @@
 /* Work with executable files, for GDB. 
 
    Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
-   1998, 1999, 2000, 2001, 2002, 2003, 2007 Free Software Foundation, Inc.
+   1998, 1999, 2000, 2001, 2002, 2003, 2007, 2008
+   Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -30,6 +31,7 @@
 #include "value.h"
 #include "exec.h"
 #include "observer.h"
+#include "arch-utils.h"
 
 #include <fcntl.h>
 #include "readline/readline.h"
@@ -67,6 +69,7 @@ struct target_ops exec_ops;
 /* The Binary File Descriptor handle for the executable file.  */
 
 bfd *exec_bfd = NULL;
+long exec_bfd_mtime = 0;
 
 /* Whether to open exec and core files read-only or read-write.  */
 
@@ -134,6 +137,7 @@ exec_close (int quitting)
                 name, bfd_errmsg (bfd_get_error ()));
       xfree (name);
       exec_bfd = NULL;
+      exec_bfd_mtime = 0;
     }
 
   if (exec_ops.to_sections)
@@ -258,6 +262,8 @@ exec_file_attach (char *filename, int from_tty)
                 scratch_pathname, bfd_errmsg (bfd_get_error ()));
        }
 
+      exec_bfd_mtime = bfd_get_mtime (exec_bfd);
+
       validate_files ();
 
       set_gdbarch_from_file (exec_bfd);
@@ -269,7 +275,7 @@ exec_file_attach (char *filename, int from_tty)
        (*deprecated_exec_file_display_hook) (filename);
     }
   bfd_cache_close_all ();
-  observer_notify_executable_changed (NULL);
+  observer_notify_executable_changed ();
 }
 
 /*  Process the first arg in ARGS as the new exec file.
@@ -531,17 +537,14 @@ print_section_info (struct target_ops *t, bfd *abfd)
 {
   struct section_table *p;
   /* FIXME: 16 is not wide enough when gdbarch_addr_bit > 64.  */
-  int wid = gdbarch_addr_bit (current_gdbarch) <= 32 ? 8 : 16;
+  int wid = gdbarch_addr_bit (gdbarch_from_bfd (abfd)) <= 32 ? 8 : 16;
 
   printf_filtered ("\t`%s', ", bfd_get_filename (abfd));
   wrap_here ("        ");
   printf_filtered (_("file type %s.\n"), bfd_get_target (abfd));
   if (abfd == exec_bfd)
-    {
-      printf_filtered (_("\tEntry point: "));
-      deprecated_print_address_numeric (bfd_get_start_address (abfd), 1, gdb_stdout);
-      printf_filtered ("\n");
-    }
+    printf_filtered (_("\tEntry point: %s\n"),
+                     paddress (bfd_get_start_address (abfd)));
   for (p = t->to_sections; p < t->to_sections_end; p++)
     {
       printf_filtered ("\t%s", hex_string_custom (p->addr, wid));
@@ -593,42 +596,6 @@ exec_files_info (struct target_ops *t)
     }
 }
 
-/* msnyder 5/21/99:
-   exec_set_section_offsets sets the offsets of all the sections
-   in the exec objfile.  */
-
-void
-exec_set_section_offsets (bfd_signed_vma text_off, bfd_signed_vma data_off,
-                         bfd_signed_vma bss_off)
-{
-  struct section_table *sect;
-
-  for (sect = exec_ops.to_sections;
-       sect < exec_ops.to_sections_end;
-       sect++)
-    {
-      flagword flags;
-
-      flags = bfd_get_section_flags (exec_bfd, sect->the_bfd_section);
-
-      if (flags & SEC_CODE)
-       {
-         sect->addr += text_off;
-         sect->endaddr += text_off;
-       }
-      else if (flags & (SEC_DATA | SEC_LOAD))
-       {
-         sect->addr += data_off;
-         sect->endaddr += data_off;
-       }
-      else if (flags & SEC_ALLOC)
-       {
-         sect->addr += bss_off;
-         sect->endaddr += bss_off;
-       }
-    }
-}
-
 static void
 set_section_command (char *args, int from_tty)
 {
@@ -669,9 +636,8 @@ set_section_command (char *args, int from_tty)
   error (_("Section %s not found"), secprint);
 }
 
-/* If we can find a section in FILENAME with BFD index INDEX, and the
-   user has not assigned an address to it yet (via "set section"), adjust it
-   to ADDRESS.  */
+/* If we can find a section in FILENAME with BFD index INDEX, adjust
+   it to ADDRESS.  */
 
 void
 exec_set_section_address (const char *filename, int index, CORE_ADDR address)
@@ -681,11 +647,10 @@ exec_set_section_address (const char *filename, int index, CORE_ADDR address)
   for (p = exec_ops.to_sections; p < exec_ops.to_sections_end; p++)
     {
       if (strcmp (filename, p->bfd->filename) == 0
-         && index == p->the_bfd_section->index
-         && p->addr == 0)
+         && index == p->the_bfd_section->index)
        {
+         p->endaddr += address - p->addr;
          p->addr = address;
-         p->endaddr += address;
        }
     }
 }