/* Support for GDB maintenance commands.
- Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001
+ Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003
Free Software Foundation, Inc.
Written by Fred Fish at Cygnus Support.
#include "objfiles.h"
#include "value.h"
+#include "cli/cli-decode.h"
+
extern void _initialize_maint_cmds (void);
static void maintenance_command (char *, int);
static void maintenance_info_command (char *, int);
-static void print_section_table (bfd *, asection *, PTR);
+static void print_section_table (bfd *, asection *, void *);
static void maintenance_info_sections (char *, int);
static void
maintenance_internal_error (char *args, int from_tty)
{
- internal_error (__FILE__, __LINE__,
- "internal maintenance");
+ internal_error (__FILE__, __LINE__, "%s", (args == NULL ? "" : args));
+}
+
+/* Stimulate the internal error mechanism that GDB uses when an
+ internal problem is detected. Allows testing of the mechanism.
+ Also useful when the user wants to drop a core file but not exit
+ GDB. */
+
+static void
+maintenance_internal_warning (char *args, int from_tty)
+{
+ internal_warning (__FILE__, __LINE__, "%s", (args == NULL ? "" : args));
}
/* Someday we should allow demangling for things other than just
}
else
{
- demangled = cplus_demangle (args, DMGL_ANSI | DMGL_PARAMS);
+ switch (current_language->la_language)
+ {
+ case language_objc:
+ /* Commented out until ObjC handling is enabled. */
+ /* demangled = objc_demangle (args); */
+ /* break; */
+ case language_cplus:
+ default:
+ demangled = cplus_demangle (args, DMGL_ANSI | DMGL_PARAMS);
+ break;
+ }
if (demangled != NULL)
{
printf_unfiltered ("%s\n", demangled);
help_list (maintenanceinfolist, "maintenance info ", -1, gdb_stdout);
}
-static void
-print_section_table (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)
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 (char *arg, int 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)
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);
}
}
}
-/* When a comamnd is deprecated the user will be warned the first time
+/* When a command is deprecated the user will be warned the first time
the command is used. If possible, a replacement will be
offered. */
}
}
+/* 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, "");
+}
+
+/* Profiling support. */
+
+static int maintenance_profile_p;
+
+#if defined (HAVE_MONSTARTUP) && defined (HAVE__MCLEANUP)
+
+static int profiling_state;
+
+static void
+mcleanup_wrapper (void)
+{
+ extern void _mcleanup (void);
+
+ if (profiling_state)
+ _mcleanup ();
+}
+
+static void
+maintenance_set_profile_cmd (char *args, int from_tty, struct cmd_list_element *c)
+{
+ if (maintenance_profile_p == profiling_state)
+ return;
+
+ profiling_state = maintenance_profile_p;
+
+ if (maintenance_profile_p)
+ {
+ static int profiling_initialized;
+
+ extern void monstartup (unsigned long, unsigned long);
+ extern char _etext;
+ extern int main();
+
+ if (!profiling_initialized)
+ {
+ atexit (mcleanup_wrapper);
+ profiling_initialized = 1;
+ }
+
+ /* "main" is now always the first function in the text segment, so use
+ its address for monstartup. */
+ monstartup ((unsigned long) &main, (unsigned long) &_etext);
+ }
+ else
+ {
+ extern void _mcleanup (void);
+ _mcleanup ();
+ }
+}
+#else
+static void
+maintenance_set_profile_cmd (char *args, int from_tty, struct cmd_list_element *c)
+{
+ warning ("Profiling support is not available on this system.");
+}
+#endif
void
_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\
a human readable form, to cause GDB to deliberately dump core,\n\
-to test internal functions such as the C++ demangler, etc.",
+to test internal functions such as the C++/ObjC demangler, etc.",
&maintenancelist, "maintenance ", 0,
&cmdlist);
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,
&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\
-GDB sets it's handling of SIGQUIT back to SIG_DFL and then sends\n\
+GDB sets its handling of SIGQUIT back to SIG_DFL and then sends\n\
itself a SIGQUIT signal.",
&maintenancelist);
#endif
Cause GDB to behave as if an internal error was detected.",
&maintenancelist);
+ add_cmd ("internal-warning", class_maintenance, maintenance_internal_warning,
+ "Give GDB an internal warning.\n\
+Cause GDB to behave as if an internal warning was reported.",
+ &maintenancelist);
+
add_cmd ("demangle", class_maintenance, maintenance_demangle,
- "Demangle a C++ mangled name.\n\
+ "Demangle a C++/ObjC mangled name.\n\
Call internal GDB demangler routine to demangle a C++ link name\n\
and prints the result.",
&maintenancelist);
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);
+
+
+ add_setshow_boolean_cmd ("profile", class_maintenance,
+ &maintenance_profile_p,
+ "Set internal profiling.\n"
+ "When enabled GDB is profiled.",
+ "Show internal profiling.\n",
+ maintenance_set_profile_cmd, NULL,
+ &maintenance_set_cmdlist,
+ &maintenance_show_cmdlist);
}
projects / deliverable / binutils-gdb.git / blobdiff