X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fmaint.c;h=ddaa390b683b27e2f34090ca364cc33488333936;hb=8513dd2d37a6265302833384f327f064ebc569e3;hp=725c6c5d64a05b37060fa78611d0b19297de6a06;hpb=d4f3574e777abfa65c9ba134e582228f3f32a8d6;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/maint.c b/gdb/maint.c
index 725c6c5d64..ddaa390b68 100644
--- a/gdb/maint.c
+++ b/gdb/maint.c
@@ -1,5 +1,6 @@
 /* Support for GDB maintenance commands.
-   Copyright 1992, 1993, 1994 Free Software Foundation, Inc.
+   Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002
+   Free Software Foundation, Inc.
    Written by Fred Fish at Cygnus Support.
 
    This file is part of GDB.
@@ -35,27 +36,31 @@
 #include "objfiles.h"
 #include "value.h"
 
-extern void _initialize_maint_cmds PARAMS ((void));
+#include "cli/cli-decode.h"
 
-static void maintenance_command PARAMS ((char *, int));
+extern void _initialize_maint_cmds (void);
 
-static void maintenance_dump_me PARAMS ((char *, int));
+static void maintenance_command (char *, int);
 
-static void maintenance_internal_error PARAMS ((char *args, int from_tty));
+static void maintenance_dump_me (char *, int);
 
-static void maintenance_demangle PARAMS ((char *, int));
+static void maintenance_internal_error (char *args, int from_tty);
 
-static void maintenance_time_display PARAMS ((char *, int));
+static void maintenance_demangle (char *, int);
 
-static void maintenance_space_display PARAMS ((char *, int));
+static void maintenance_time_display (char *, int);
 
-static void maintenance_info_command PARAMS ((char *, int));
+static void maintenance_space_display (char *, int);
 
-static void print_section_table PARAMS ((bfd *, asection *, PTR));
+static void maintenance_info_command (char *, int);
 
-static void maintenance_info_sections PARAMS ((char *, int));
+static void print_section_table (bfd *, asection *, void *);
 
-static void maintenance_print_command PARAMS ((char *, int));
+static void maintenance_info_sections (char *, int);
+
+static void maintenance_print_command (char *, int);
+
+static void maintenance_do_deprecate (char *, int);
 
 /* Set this to the maximum number of seconds to wait instead of waiting forever
    in target_wait().  If this timer times out, then it generates an error and
@@ -80,9 +85,7 @@ int watchdog = 0;
  */
 
 static void
-maintenance_command (args, from_tty)
-     char *args;
-     int from_tty;
+maintenance_command (char *args, int from_tty)
 {
   printf_unfiltered ("\"maintenance\" must be followed by the name of a maintenance command.\n");
   help_list (maintenancelist, "maintenance ", -1, gdb_stdout);
@@ -91,9 +94,7 @@ maintenance_command (args, from_tty)
 #ifndef _WIN32
 /* ARGSUSED */
 static void
-maintenance_dump_me (args, from_tty)
-     char *args;
-     int from_tty;
+maintenance_dump_me (char *args, int from_tty)
 {
   if (query ("Should GDB dump core? "))
     {
@@ -117,21 +118,20 @@ maintenance_dump_me (args, from_tty)
 static void
 maintenance_internal_error (char *args, int from_tty)
 {
-  internal_error ("internal maintenance");
+  internal_error (__FILE__, __LINE__,
+		  "internal maintenance");
 }
 
-/*  Someday we should allow demangling for things other than just
-   explicit strings.  For example, we might want to be able to
-   specify the address of a string in either GDB's process space
-   or the debuggee's process space, and have gdb fetch and demangle
-   that string.  If we have a char* pointer "ptr" that points to
-   a string, we might want to be able to given just the name and
-   have GDB demangle and print what it points to, etc.  (FIXME) */
+/* Someday we should allow demangling for things other than just
+   explicit strings.  For example, we might want to be able to specify
+   the address of a string in either GDB's process space or the
+   debuggee's process space, and have gdb fetch and demangle that
+   string.  If we have a char* pointer "ptr" that points to a string,
+   we might want to be able to given just the name and have GDB
+   demangle and print what it points to, etc.  (FIXME) */
 
 static void
-maintenance_demangle (args, from_tty)
-     char *args;
-     int from_tty;
+maintenance_demangle (char *args, int from_tty)
 {
   char *demangled;
 
@@ -145,7 +145,7 @@ maintenance_demangle (args, from_tty)
       if (demangled != NULL)
 	{
 	  printf_unfiltered ("%s\n", demangled);
-	  free (demangled);
+	  xfree (demangled);
 	}
       else
 	{
@@ -155,9 +155,7 @@ maintenance_demangle (args, from_tty)
 }
 
 static void
-maintenance_time_display (args, from_tty)
-     char *args;
-     int from_tty;
+maintenance_time_display (char *args, int from_tty)
 {
   extern int display_time;
 
@@ -168,9 +166,7 @@ maintenance_time_display (args, from_tty)
 }
 
 static void
-maintenance_space_display (args, from_tty)
-     char *args;
-     int from_tty;
+maintenance_space_display (char *args, int from_tty)
 {
   extern int display_space;
 
@@ -180,44 +176,94 @@ maintenance_space_display (args, from_tty)
     display_space = strtol (args, NULL, 10);
 }
 
-/* The "maintenance info" command is defined as a prefix, with allow_unknown 0.
-   Therefore, its own definition is called only for "maintenance info" with
-   no args.  */
+/* The "maintenance info" command is defined as a prefix, with
+   allow_unknown 0.  Therefore, its own definition is called only for
+   "maintenance info" with no args.  */
 
 /* ARGSUSED */
 static void
-maintenance_info_command (arg, from_tty)
-     char *arg;
-     int from_tty;
+maintenance_info_command (char *arg, int from_tty)
 {
   printf_unfiltered ("\"maintenance info\" must be followed by the name of an info command.\n");
   help_list (maintenanceinfolist, "maintenance info ", -1, gdb_stdout);
 }
 
-static void
-print_section_table (abfd, asect, ignore)
-     bfd *abfd;
-     asection *asect;
-     PTR ignore;
+/* Mini tokenizing lexer for 'maint info sections' command.  */
+
+static int
+match_substring (const char *string, const char *substr)
 {
-  flagword flags;
+  int substr_len = strlen(substr);
+  const char *tok;
 
-  flags = bfd_get_section_flags (abfd, asect);
+  while ((tok = strstr (string, substr)) != NULL)
+    {
+      /* Got a partial match.  Is it a whole word? */
+      if (tok == string
+	  || tok[-1] == ' '
+	  || tok[-1] == '\t')
+      {
+	/* Token is delimited at the front... */
+	if (tok[substr_len] == ' '
+	    || tok[substr_len] == '\t'
+	    || tok[substr_len] == '\0')
+	{
+	  /* Token is delimited at the rear.  Got a whole-word match.  */
+	  return 1;
+	}
+      }
+      /* Token didn't match as a whole word.  Advance and try again.  */
+      string = tok + 1;
+    }
+  return 0;
+}
 
-  /* FIXME-32x64: Need print_address_numeric with field width.  */
-  printf_filtered ("    %s",
-		   local_hex_string_custom
-		   ((unsigned long) bfd_section_vma (abfd, asect), "08l"));
-  printf_filtered ("->%s",
-		   local_hex_string_custom
-		   ((unsigned long) (bfd_section_vma (abfd, asect)
-				     + bfd_section_size (abfd, asect)),
-		    "08l"));
-  printf_filtered (" at %s",
-		   local_hex_string_custom
-		   ((unsigned long) asect->filepos, "08l"));
-  printf_filtered (": %s", bfd_section_name (abfd, asect));
+static int 
+match_bfd_flags (char *string, flagword flags)
+{
+  if (flags & SEC_ALLOC)
+    if (match_substring (string, "ALLOC"))
+      return 1;
+  if (flags & SEC_LOAD)
+    if (match_substring (string, "LOAD"))
+      return 1;
+  if (flags & SEC_RELOC)
+    if (match_substring (string, "RELOC"))
+      return 1;
+  if (flags & SEC_READONLY)
+    if (match_substring (string, "READONLY"))
+      return 1;
+  if (flags & SEC_CODE)
+    if (match_substring (string, "CODE"))
+      return 1;
+  if (flags & SEC_DATA)
+    if (match_substring (string, "DATA"))
+      return 1;
+  if (flags & SEC_ROM)
+    if (match_substring (string, "ROM"))
+      return 1;
+  if (flags & SEC_CONSTRUCTOR)
+    if (match_substring (string, "CONSTRUCTOR"))
+      return 1;
+  if (flags & SEC_HAS_CONTENTS)
+    if (match_substring (string, "HAS_CONTENTS"))
+      return 1;
+  if (flags & SEC_NEVER_LOAD)
+    if (match_substring (string, "NEVER_LOAD"))
+      return 1;
+  if (flags & SEC_COFF_SHARED_LIBRARY)
+    if (match_substring (string, "COFF_SHARED_LIBRARY"))
+      return 1;
+  if (flags & SEC_IS_COMMON)
+    if (match_substring (string, "IS_COMMON"))
+      return 1;
 
+  return 0;
+}
+
+static void
+print_bfd_flags (flagword flags)
+{
   if (flags & SEC_ALLOC)
     printf_filtered (" ALLOC");
   if (flags & SEC_LOAD)
@@ -242,15 +288,63 @@ print_section_table (abfd, asect, ignore)
     printf_filtered (" COFF_SHARED_LIBRARY");
   if (flags & SEC_IS_COMMON)
     printf_filtered (" IS_COMMON");
+}
 
+static void
+maint_print_section_info (const char *name, flagword flags, 
+			  CORE_ADDR addr, CORE_ADDR endaddr, 
+			  unsigned long filepos)
+{
+  /* FIXME-32x64: Need print_address_numeric with field width.  */
+  printf_filtered ("    0x%s", paddr (addr));
+  printf_filtered ("->0x%s", paddr (endaddr));
+  printf_filtered (" at %s",
+		   local_hex_string_custom ((unsigned long) filepos, "08l"));
+  printf_filtered (": %s", name);
+  print_bfd_flags (flags);
   printf_filtered ("\n");
 }
 
+static void
+print_bfd_section_info (bfd *abfd, 
+			asection *asect, 
+			void *arg)
+{
+  flagword flags = bfd_get_section_flags (abfd, asect);
+  const char *name = bfd_section_name (abfd, asect);
+
+  if (arg == NULL || *((char *) arg) == '\0'
+      || match_substring ((char *) arg, name)
+      || match_bfd_flags ((char *) arg, flags))
+    {
+      CORE_ADDR addr, endaddr;
+
+      addr = bfd_section_vma (abfd, asect);
+      endaddr = addr + bfd_section_size (abfd, asect);
+      maint_print_section_info (name, flags, addr, endaddr, asect->filepos);
+    }
+}
+
+static void
+print_objfile_section_info (bfd *abfd, 
+			    struct obj_section *asect, 
+			    char *string)
+{
+  flagword flags = bfd_get_section_flags (abfd, asect->the_bfd_section);
+  const char *name = bfd_section_name (abfd, asect->the_bfd_section);
+
+  if (string == NULL || *string == '\0'
+      || match_substring (string, name)
+      || match_bfd_flags (string, flags))
+    {
+      maint_print_section_info (name, flags, asect->addr, asect->endaddr, 
+			  asect->the_bfd_section->filepos);
+    }
+}
+
 /* ARGSUSED */
 static void
-maintenance_info_sections (arg, from_tty)
-     char *arg;
-     int from_tty;
+maintenance_info_sections (char *arg, int from_tty)
 {
   if (exec_bfd)
     {
@@ -258,7 +352,30 @@ maintenance_info_sections (arg, from_tty)
       printf_filtered ("    `%s', ", bfd_get_filename (exec_bfd));
       wrap_here ("        ");
       printf_filtered ("file type %s.\n", bfd_get_target (exec_bfd));
-      bfd_map_over_sections (exec_bfd, print_section_table, 0);
+      if (arg && *arg && match_substring (arg, "ALLOBJ"))
+	{
+	  struct objfile *ofile;
+	  struct obj_section *osect;
+
+	  /* Only this function cares about the 'ALLOBJ' argument; 
+	     if 'ALLOBJ' is the only argument, discard it rather than
+	     passing it down to print_objfile_section_info (which 
+	     wouldn't know how to handle it).  */
+	  if (strcmp (arg, "ALLOBJ") == 0)
+	    arg = NULL;
+
+	  ALL_OBJFILES (ofile)
+	    {
+	      printf_filtered ("  Object file: %s\n", 
+			       bfd_get_filename (ofile->obfd));
+	      ALL_OBJFILE_OSECTIONS (ofile, osect)
+		{
+		  print_objfile_section_info (ofile->obfd, osect, arg);
+		}
+	    }
+	}
+      else 
+	bfd_map_over_sections (exec_bfd, print_bfd_section_info, arg);
     }
 
   if (core_bfd)
@@ -267,29 +384,40 @@ maintenance_info_sections (arg, from_tty)
       printf_filtered ("    `%s', ", bfd_get_filename (core_bfd));
       wrap_here ("        ");
       printf_filtered ("file type %s.\n", bfd_get_target (core_bfd));
-      bfd_map_over_sections (core_bfd, print_section_table, 0);
+      bfd_map_over_sections (core_bfd, print_bfd_section_info, arg);
     }
 }
 
 /* ARGSUSED */
 void
-maintenance_print_statistics (args, from_tty)
-     char *args;
-     int from_tty;
+maintenance_print_statistics (char *args, int from_tty)
 {
   print_objfile_statistics ();
   print_symbol_bcache_statistics ();
 }
 
-/* The "maintenance print" command is defined as a prefix, with allow_unknown
-   0.  Therefore, its own definition is called only for "maintenance print"
-   with no args.  */
+void
+maintenance_print_architecture (char *args, int from_tty)
+{
+  if (args == NULL)
+    gdbarch_dump (current_gdbarch, gdb_stdout);
+  else
+    {
+      struct ui_file *file = gdb_fopen (args, "w");
+      if (file == NULL)
+	perror_with_name ("maintenance print architecture");
+      gdbarch_dump (current_gdbarch, file);    
+      ui_file_delete (file);
+    }
+}
+
+/* The "maintenance print" command is defined as a prefix, with
+   allow_unknown 0.  Therefore, its own definition is called only for
+   "maintenance print" with no args.  */
 
 /* ARGSUSED */
 static void
-maintenance_print_command (arg, from_tty)
-     char *arg;
-     int from_tty;
+maintenance_print_command (char *arg, int from_tty)
 {
   printf_unfiltered ("\"maintenance print\" must be followed by the name of a print command.\n");
   help_list (maintenanceprintlist, "maintenance print ", -1, gdb_stdout);
@@ -302,9 +430,7 @@ maintenance_print_command (arg, from_tty)
  */
 
 static void
-maintenance_translate_address (arg, from_tty)
-     char *arg;
-     int from_tty;
+maintenance_translate_address (char *arg, int from_tty)
 {
   CORE_ADDR address;
   asection *sect;
@@ -358,9 +484,159 @@ maintenance_translate_address (arg, from_tty)
   return;
 }
 
+
+/* When a command is deprecated the user will be warned the first time
+   the command is used.  If possible, a replacement will be
+   offered. */
+
+static void
+maintenance_deprecate (char *args, int from_tty)
+{
+  if (args == NULL || *args == '\0')
+    {
+      printf_unfiltered ("\"maintenance deprecate\" takes an argument, \n\
+the command you want to deprecate, and optionally the replacement command \n\
+enclosed in quotes.\n");
+    }
+
+  maintenance_do_deprecate (args, 1);
+
+}
+
+
+static void
+maintenance_undeprecate (char *args, int from_tty)
+{
+  if (args == NULL || *args == '\0')
+    {
+      printf_unfiltered ("\"maintenance undeprecate\" takes an argument, \n\
+the command you want to undeprecate.\n");
+    }
+
+  maintenance_do_deprecate (args, 0);
+
+}
+
+/* You really shouldn't be using this. It is just for the testsuite.
+   Rather, you should use deprecate_cmd() when the command is created
+   in _initialize_blah().
+
+   This function deprecates a command and optionally assigns it a
+   replacement.  */
+
+static void
+maintenance_do_deprecate (char *text, int deprecate)
+{
+
+  struct cmd_list_element *alias = NULL;
+  struct cmd_list_element *prefix_cmd = NULL;
+  struct cmd_list_element *cmd = NULL;
+
+  char *start_ptr = NULL;
+  char *end_ptr = NULL;
+  int len;
+  char *replacement = NULL;
+
+  if (text == NULL)
+    return;
+
+  if (!lookup_cmd_composition (text, &alias, &prefix_cmd, &cmd))
+    {
+      printf_filtered ("Can't find command '%s' to deprecate.\n", text);
+      return;
+    }
+
+  if (deprecate)
+    {
+      /* look for a replacement command */
+      start_ptr = strchr (text, '\"');
+      if (start_ptr != NULL)
+	{
+	  start_ptr++;
+	  end_ptr = strrchr (start_ptr, '\"');
+	  if (end_ptr != NULL)
+	    {
+	      len = end_ptr - start_ptr;
+	      start_ptr[len] = '\0';
+	      replacement = xstrdup (start_ptr);
+	    }
+	}
+    }
+
+  if (!start_ptr || !end_ptr)
+    replacement = NULL;
+
+
+  /* If they used an alias, we only want to deprecate the alias.
+
+     Note the MALLOCED_REPLACEMENT test.  If the command's replacement
+     string was allocated at compile time we don't want to free the
+     memory. */
+  if (alias)
+    {
+
+      if (alias->flags & MALLOCED_REPLACEMENT)
+	xfree (alias->replacement);
+
+      if (deprecate)
+	alias->flags |= (DEPRECATED_WARN_USER | CMD_DEPRECATED);
+      else
+	alias->flags &= ~(DEPRECATED_WARN_USER | CMD_DEPRECATED);
+      alias->replacement = replacement;
+      alias->flags |= MALLOCED_REPLACEMENT;
+      return;
+    }
+  else if (cmd)
+    {
+      if (cmd->flags & MALLOCED_REPLACEMENT)
+	xfree (cmd->replacement);
+
+      if (deprecate)
+	cmd->flags |= (DEPRECATED_WARN_USER | CMD_DEPRECATED);
+      else
+	cmd->flags &= ~(DEPRECATED_WARN_USER | CMD_DEPRECATED);
+      cmd->replacement = replacement;
+      cmd->flags |= MALLOCED_REPLACEMENT;
+      return;
+    }
+}
+
+/* Maintenance set/show framework.  */
+
+static struct cmd_list_element *maintenance_set_cmdlist;
+static struct cmd_list_element *maintenance_show_cmdlist;
+
+static void
+maintenance_set_cmd (char *args, int from_tty)
+{
+  printf_unfiltered ("\"maintenance set\" must be followed by the name of a set command.\n");
+  help_list (maintenance_set_cmdlist, "maintenance set ", -1, gdb_stdout);
+}
+
+static void
+maintenance_show_cmd (char *args, int from_tty)
+{
+  cmd_show_list (maintenance_show_cmdlist, from_tty, "");
+}
+
+#ifdef NOTYET
+/* Profiling support.  */
+
+static int maintenance_profile_p;
+
+static void
+maintenance_set_profile_cmd (char *args, int from_tty, struct cmd_list_element *c)
+{
+  maintenance_profile_p = 0;
+  warning ("\"maintenance set profile\" command not supported.\n");
+}
+#endif
+
 void
-_initialize_maint_cmds ()
+_initialize_maint_cmds (void)
 {
+  struct cmd_list_element *tmpcmd;
+
   add_prefix_cmd ("maintenance", class_maintenance, maintenance_command,
 		  "Commands for use by GDB maintainers.\n\
 Includes commands to dump specific internal GDB structures in\n\
@@ -375,9 +651,18 @@ to test internal functions such as the C++ demangler, etc.",
      "Commands for showing internal info about the program being debugged.",
 		  &maintenanceinfolist, "maintenance info ", 0,
 		  &maintenancelist);
+  add_alias_cmd ("i", "info", class_maintenance, 1, &maintenancelist);
 
   add_cmd ("sections", class_maintenance, maintenance_info_sections,
-	   "List the BFD sections of the exec and core files.",
+	   "List the BFD sections of the exec and core files. \n\
+Arguments may be any combination of:\n\
+	[one or more section names]\n\
+	ALLOC LOAD RELOC READONLY CODE DATA ROM CONSTRUCTOR\n\
+	HAS_CONTENTS NEVER_LOAD COFF_SHARED_LIBRARY IS_COMMON\n\
+Sections matching any argument will be listed (no argument\n\
+implies all sections).  In addition, the special argument\n\
+	ALLOBJ\n\
+lists all sections from all object files, including shared libraries.",
 	   &maintenanceinfolist);
 
   add_prefix_cmd ("print", class_maintenance, maintenance_print_command,
@@ -385,6 +670,20 @@ to test internal functions such as the C++ demangler, etc.",
 		  &maintenanceprintlist, "maintenance print ", 0,
 		  &maintenancelist);
 
+  add_prefix_cmd ("set", class_maintenance, maintenance_set_cmd, "\
+Set GDB internal variables used by the GDB maintainer.\n\
+Configure variables internal to GDB that aid in GDB's maintenance",
+		  &maintenance_set_cmdlist, "maintenance set ",
+		  0/*allow-unknown*/,
+		  &maintenancelist);
+
+  add_prefix_cmd ("show", class_maintenance, maintenance_show_cmd, "\
+Show GDB internal variables used by the GDB maintainer.\n\
+Configure variables internal to GDB that aid in GDB's maintenance",
+		  &maintenance_show_cmdlist, "maintenance show ",
+		  0/*allow-unknown*/,
+		  &maintenancelist);
+
 #ifndef _WIN32
   add_cmd ("dump-me", class_maintenance, maintenance_dump_me,
 	   "Get fatal error; make debugger dump its core.\n\
@@ -448,6 +747,11 @@ If a SOURCE file is specified, dump only that file's partial symbols.",
 	   "Print statistics about internal gdb state.",
 	   &maintenanceprintlist);
 
+  add_cmd ("architecture", class_maintenance, maintenance_print_architecture,
+	   "Print the internal architecture configuration.\
+Takes an optional file parameter.",
+	   &maintenanceprintlist);
+
   add_cmd ("check-symtabs", class_maintenance, maintenance_check_symtabs,
 	   "Check consistency of psymtabs and symtabs.",
 	   &maintenancelist);
@@ -456,6 +760,19 @@ If a SOURCE file is specified, dump only that file's partial symbols.",
 	   "Translate a section name and address to a symbol.",
 	   &maintenancelist);
 
+  add_cmd ("deprecate", class_maintenance, maintenance_deprecate,
+	   "Deprecate a command.  Note that this is just in here so the \n\
+testsuite can check the comamnd deprecator. You probably shouldn't use this,\n\
+rather you should use the C function deprecate_cmd().  If you decide you \n\
+want to use it: maintenance deprecate 'commandname' \"replacement\". The \n\
+replacement is optional.", &maintenancelist);
+
+  add_cmd ("undeprecate", class_maintenance, maintenance_undeprecate,
+	   "Undeprecate a command.  Note that this is just in here so the \n\
+testsuite can check the comamnd deprecator. You probably shouldn't use this,\n\
+If you decide you want to use it: maintenance undeprecate 'commandname'",
+	   &maintenancelist);
+
   add_show_from_set (
 		      add_set_cmd ("watchdog", class_maintenance, var_zinteger, (char *) &watchdog,
 				   "Set watchdog timer.\n\
@@ -463,4 +780,19 @@ When non-zero, this timeout is used instead of waiting forever for a target to\n
 finish a low-level step or continue operation.  If the specified amount of time\n\
 passes without a response from the target, an error occurs.", &setlist),
 		      &showlist);
+
+
+#ifdef NOTYET
+  /* FIXME: cagney/2001-09-24: A patch introducing a
+     add_set_boolean_cmd() is pending, the below should probably use
+     it.  A patch implementing profiling is pending, this just sets up
+     the framework.  */
+  tmpcmd = add_set_cmd ("profile", class_maintenance,
+			var_boolean, &maintenance_profile_p,
+			"Set internal profiling.\n\
+When enabled GDB is profiled.",
+			&maintenance_set_cmdlist);
+  set_cmd_sfunc (tmpcmd, maintenance_set_profile_cmd);
+  add_show_from_set (tmpcmd, &maintenance_show_cmdlist);
+#endif
 }