/* General utility routines for GDB, the GNU debugger.
- Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
- 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1986-2013 Free Software Foundation, Inc.
This file is part of GDB.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
+#include "dyn-string.h"
#include "gdb_assert.h"
#include <ctype.h>
#include "gdb_string.h"
+#include "gdb_wait.h"
#include "event-top.h"
#include "exceptions.h"
#include "gdbthread.h"
+#include "fnmatch.h"
+#include "gdb_bfd.h"
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif /* HAVE_SYS_RESOURCE_H */
#endif
#include <signal.h>
+#include "timeval-utils.h"
#include "gdbcmd.h"
#include "serial.h"
#include "bfd.h"
#include "target.h"
-#include "demangle.h"
+#include "gdb-demangle.h"
#include "expression.h"
#include "language.h"
#include "charset.h"
#include "gdbcore.h"
#include "top.h"
#include "main.h"
+#include "solist.h"
#include "inferior.h" /* for signed_pointer_to_address */
extern void free ();
#endif
-/* readline defines this. */
-#undef savestring
-
void (*deprecated_error_begin_hook) (void);
/* Prototypes for local functions */
static void fputs_maybe_filtered (const char *, struct ui_file *, int);
-static void do_my_cleanups (struct cleanup **, struct cleanup *);
-
static void prompt_for_continue (void);
static void set_screen_size (void);
static void set_width (void);
-/* A flag indicating whether to timestamp debugging messages. */
+/* Time spent in prompt_for_continue in the currently executing command
+ waiting for user to respond.
+ Initialized in make_command_stats_cleanup.
+ Modified in prompt_for_continue and defaulted_query.
+ Used in report_command_stats. */
-static int debug_timestamp = 0;
+static struct timeval prompt_for_continue_wait_time;
-/* Chain of cleanup actions established with make_cleanup,
- to be executed if an error happens. */
+/* A flag indicating whether to timestamp debugging messages. */
-static struct cleanup *cleanup_chain; /* cleaned up after a failed command */
-static struct cleanup *final_cleanup_chain; /* cleaned up when gdb exits */
+static int debug_timestamp = 0;
/* Nonzero if we have job control. */
int job_control;
+#ifndef HAVE_PYTHON
/* Nonzero means a quit has been requested. */
int quit_flag;
+#endif /* HAVE_PYTHON */
/* Nonzero means quit immediately if Control-C is typed now, rather
than waiting until QUIT is executed. Be careful in setting this;
int immediate_quit;
-/* Nonzero means that encoded C++/ObjC names should be printed out in their
- C++/ObjC form rather than raw. */
+#ifndef HAVE_PYTHON
-int demangle = 1;
-static void
-show_demangle (struct ui_file *file, int from_tty,
- struct cmd_list_element *c, const char *value)
+/* Clear the quit flag. */
+
+void
+clear_quit_flag (void)
{
- fprintf_filtered (file,
- _("Demangling of encoded C++/ObjC names "
- "when displaying symbols is %s.\n"),
- value);
+ quit_flag = 0;
}
-/* Nonzero means that encoded C++/ObjC names should be printed out in their
- C++/ObjC form even in assembler language displays. If this is set, but
- DEMANGLE is zero, names are printed raw, i.e. DEMANGLE controls. */
+/* Set the quit flag. */
-int asm_demangle = 0;
-static void
-show_asm_demangle (struct ui_file *file, int from_tty,
- struct cmd_list_element *c, const char *value)
+void
+set_quit_flag (void)
{
- fprintf_filtered (file,
- _("Demangling of C++/ObjC names in "
- "disassembly listings is %s.\n"),
- value);
+ quit_flag = 1;
+}
+
+/* Return true if the quit flag has been set, false otherwise. */
+
+int
+check_quit_flag (void)
+{
+ /* This is written in a particular way to avoid races. */
+ if (quit_flag)
+ {
+ quit_flag = 0;
+ return 1;
+ }
+
+ return 0;
}
+#endif /* HAVE_PYTHON */
+
/* Nonzero means that strings with character values >0x7F should be printed
as octal escapes. Zero means just print the value (e.g. it's an
international character, and the terminal or window can cope.) */
}
\f
+/* Cleanup utilities.
-/* Add a new cleanup to the cleanup_chain,
- and return the previous chain pointer
- to be passed later to do_cleanups or discard_cleanups.
- Args are FUNCTION to clean up with, and ARG to pass to it. */
+ These are not defined in cleanups.c (nor declared in cleanups.h)
+ because while they use the "cleanup API" they are not part of the
+ "cleanup API". */
-struct cleanup *
-make_cleanup (make_cleanup_ftype *function, void *arg)
-{
- return make_my_cleanup (&cleanup_chain, function, arg);
-}
-
-struct cleanup *
-make_cleanup_dtor (make_cleanup_ftype *function, void *arg,
- void (*dtor) (void *))
+static void
+do_freeargv (void *arg)
{
- return make_my_cleanup2 (&cleanup_chain,
- function, arg, dtor);
+ freeargv ((char **) arg);
}
struct cleanup *
-make_final_cleanup (make_cleanup_ftype *function, void *arg)
+make_cleanup_freeargv (char **arg)
{
- return make_my_cleanup (&final_cleanup_chain, function, arg);
+ return make_cleanup (do_freeargv, arg);
}
static void
-do_freeargv (void *arg)
+do_dyn_string_delete (void *arg)
{
- freeargv ((char **) arg);
+ dyn_string_delete ((dyn_string_t) arg);
}
struct cleanup *
-make_cleanup_freeargv (char **arg)
+make_cleanup_dyn_string_delete (dyn_string_t arg)
{
- return make_my_cleanup (&cleanup_chain, do_freeargv, arg);
+ return make_cleanup (do_dyn_string_delete, arg);
}
static void
do_bfd_close_cleanup (void *arg)
{
- bfd_close (arg);
+ gdb_bfd_unref (arg);
}
struct cleanup *
-make_cleanup_bfd_close (bfd *abfd)
+make_cleanup_bfd_unref (bfd *abfd)
{
return make_cleanup (do_bfd_close_cleanup, abfd);
}
struct cleanup *
make_cleanup_ui_file_delete (struct ui_file *arg)
{
- return make_my_cleanup (&cleanup_chain, do_ui_file_delete, arg);
+ return make_cleanup (do_ui_file_delete, arg);
}
/* Helper function for make_cleanup_ui_out_redirect_pop. */
struct cleanup *
make_cleanup_ui_out_redirect_pop (struct ui_out *uiout)
{
- return make_my_cleanup (&cleanup_chain, do_ui_out_redirect_pop, uiout);
+ return make_cleanup (do_ui_out_redirect_pop, uiout);
}
static void
struct cleanup *
make_cleanup_free_section_addr_info (struct section_addr_info *addrs)
{
- return make_my_cleanup (&cleanup_chain, do_free_section_addr_info, addrs);
+ return make_cleanup (do_free_section_addr_info, addrs);
}
struct restore_integer_closure
c->variable = variable;
c->value = *variable;
- return make_my_cleanup2 (&cleanup_chain, restore_integer, (void *)c,
- xfree);
+ return make_cleanup_dtor (restore_integer, (void *) c, xfree);
}
/* Remember the current value of *VARIABLE and make it restored when
struct cleanup *
make_cleanup_unpush_target (struct target_ops *ops)
{
- return make_my_cleanup (&cleanup_chain, do_unpush_target, ops);
+ return make_cleanup (do_unpush_target, ops);
+}
+
+/* Helper for make_cleanup_htab_delete compile time checking the types. */
+
+static void
+do_htab_delete_cleanup (void *htab_voidp)
+{
+ htab_t htab = htab_voidp;
+
+ htab_delete (htab);
+}
+
+/* Return a new cleanup that deletes HTAB. */
+
+struct cleanup *
+make_cleanup_htab_delete (htab_t htab)
+{
+ return make_cleanup (do_htab_delete_cleanup, htab);
}
struct restore_ui_file_closure
struct cleanup *
make_cleanup_value_free_to_mark (struct value *mark)
{
- return make_my_cleanup (&cleanup_chain, do_value_free_to_mark, mark);
+ return make_cleanup (do_value_free_to_mark, mark);
}
/* Helper for make_cleanup_value_free. */
struct cleanup *
make_cleanup_value_free (struct value *value)
{
- return make_my_cleanup (&cleanup_chain, do_value_free, value);
-}
-
-struct cleanup *
-make_my_cleanup2 (struct cleanup **pmy_chain, make_cleanup_ftype *function,
- void *arg, void (*free_arg) (void *))
-{
- struct cleanup *new
- = (struct cleanup *) xmalloc (sizeof (struct cleanup));
- struct cleanup *old_chain = *pmy_chain;
-
- new->next = *pmy_chain;
- new->function = function;
- new->free_arg = free_arg;
- new->arg = arg;
- *pmy_chain = new;
-
- return old_chain;
-}
-
-struct cleanup *
-make_my_cleanup (struct cleanup **pmy_chain, make_cleanup_ftype *function,
- void *arg)
-{
- return make_my_cleanup2 (pmy_chain, function, arg, NULL);
-}
-
-/* Discard cleanups and do the actions they describe
- until we get back to the point OLD_CHAIN in the cleanup_chain. */
-
-void
-do_cleanups (struct cleanup *old_chain)
-{
- do_my_cleanups (&cleanup_chain, old_chain);
+ return make_cleanup (do_value_free, value);
}
-void
-do_final_cleanups (struct cleanup *old_chain)
-{
- do_my_cleanups (&final_cleanup_chain, old_chain);
-}
+/* Helper for make_cleanup_free_so. */
static void
-do_my_cleanups (struct cleanup **pmy_chain,
- struct cleanup *old_chain)
-{
- struct cleanup *ptr;
-
- while ((ptr = *pmy_chain) != old_chain)
- {
- *pmy_chain = ptr->next; /* Do this first in case of recursion. */
- (*ptr->function) (ptr->arg);
- if (ptr->free_arg)
- (*ptr->free_arg) (ptr->arg);
- xfree (ptr);
- }
-}
-
-/* Discard cleanups, not doing the actions they describe,
- until we get back to the point OLD_CHAIN in the cleanup_chain. */
-
-void
-discard_cleanups (struct cleanup *old_chain)
+do_free_so (void *arg)
{
- discard_my_cleanups (&cleanup_chain, old_chain);
-}
+ struct so_list *so = arg;
-void
-discard_final_cleanups (struct cleanup *old_chain)
-{
- discard_my_cleanups (&final_cleanup_chain, old_chain);
+ free_so (so);
}
-void
-discard_my_cleanups (struct cleanup **pmy_chain,
- struct cleanup *old_chain)
-{
- struct cleanup *ptr;
-
- while ((ptr = *pmy_chain) != old_chain)
- {
- *pmy_chain = ptr->next;
- if (ptr->free_arg)
- (*ptr->free_arg) (ptr->arg);
- xfree (ptr);
- }
-}
+/* Make cleanup handler calling free_so for SO. */
-/* Set the cleanup_chain to 0, and return the old cleanup chain. */
struct cleanup *
-save_cleanups (void)
+make_cleanup_free_so (struct so_list *so)
{
- return save_my_cleanups (&cleanup_chain);
+ return make_cleanup (do_free_so, so);
}
-struct cleanup *
-save_final_cleanups (void)
-{
- return save_my_cleanups (&final_cleanup_chain);
-}
+/* Helper for make_cleanup_restore_current_language. */
-struct cleanup *
-save_my_cleanups (struct cleanup **pmy_chain)
+static void
+do_restore_current_language (void *p)
{
- struct cleanup *old_chain = *pmy_chain;
+ enum language saved_lang = (uintptr_t) p;
- *pmy_chain = 0;
- return old_chain;
+ set_language (saved_lang);
}
-/* Restore the cleanup chain from a previously saved chain. */
-void
-restore_cleanups (struct cleanup *chain)
-{
- restore_my_cleanups (&cleanup_chain, chain);
-}
+/* Remember the current value of CURRENT_LANGUAGE and make it restored when
+ the cleanup is run. */
-void
-restore_final_cleanups (struct cleanup *chain)
+struct cleanup *
+make_cleanup_restore_current_language (void)
{
- restore_my_cleanups (&final_cleanup_chain, chain);
-}
+ enum language saved_lang = current_language->la_language;
-void
-restore_my_cleanups (struct cleanup **pmy_chain, struct cleanup *chain)
-{
- *pmy_chain = chain;
+ return make_cleanup (do_restore_current_language,
+ (void *) (uintptr_t) saved_lang);
}
/* This function is useful for cleanups.
}
}
-/* Provide a known function that does nothing, to use as a base for
- a possibly long chain of cleanups. This is useful where we
- use the cleanup chain for handling normal cleanups as well as dealing
- with cleanups that need to be done as a result of a call to error().
- In such cases, we may not be certain where the first cleanup is, unless
- we have a do-nothing one to always use as the base. */
-
-void
-null_cleanup (void *arg)
-{
-}
-
/* If nonzero, display time usage both at startup and for each command. */
static int display_time;
struct cmd_stats
{
int msg_type;
- long start_time;
+ long start_cpu_time;
+ struct timeval start_wall_time;
long start_space;
};
if (display_time)
{
- long cmd_time = get_run_time () - start_stats->start_time;
+ long cmd_time = get_run_time () - start_stats->start_cpu_time;
+ struct timeval now_wall_time, delta_wall_time;
+
+ gettimeofday (&now_wall_time, NULL);
+ timeval_sub (&delta_wall_time,
+ &now_wall_time, &start_stats->start_wall_time);
+
+ /* Subtract time spend in prompt_for_continue from walltime. */
+ timeval_sub (&delta_wall_time,
+ &delta_wall_time, &prompt_for_continue_wait_time);
printf_unfiltered (msg_type == 0
- ? _("Startup time: %ld.%06ld\n")
- : _("Command execution time: %ld.%06ld\n"),
- cmd_time / 1000000, cmd_time % 1000000);
+ ? _("Startup time: %ld.%06ld (cpu), %ld.%06ld (wall)\n")
+ : _("Command execution time: %ld.%06ld (cpu), %ld.%06ld (wall)\n"),
+ cmd_time / 1000000, cmd_time % 1000000,
+ (long) delta_wall_time.tv_sec,
+ (long) delta_wall_time.tv_usec);
}
if (display_space)
struct cleanup *
make_command_stats_cleanup (int msg_type)
{
+ static const struct timeval zero_timeval = { 0 };
struct cmd_stats *new_stat = XMALLOC (struct cmd_stats);
#ifdef HAVE_SBRK
#endif
new_stat->msg_type = msg_type;
- new_stat->start_time = get_run_time ();
+ new_stat->start_cpu_time = get_run_time ();
+ gettimeofday (&new_stat->start_wall_time, NULL);
+
+ /* Initalize timer to keep track of how long we waited for the user. */
+ prompt_for_continue_wait_time = zero_timeval;
return make_cleanup_dtor (report_command_stats, new_stat, xfree);
}
const char internal_problem_ask[] = "ask";
const char internal_problem_yes[] = "yes";
const char internal_problem_no[] = "no";
-static const char *internal_problem_modes[] =
+static const char *const internal_problem_modes[] =
{
internal_problem_ask,
internal_problem_yes,
/* Default (yes/batch case) is to quit GDB. When in batch mode
this lessens the likelihood of GDB going into an infinite
loop. */
- if (caution == 0)
+ if (!confirm)
{
/* Emit the message and quit. */
fputs_unfiltered (reason, gdb_stderr);
return orglen;
}
-/* Make a copy of the string at PTR with SIZE characters
- (and add a null character at the end in the copy).
- Uses malloc to get the space. Returns the address of the copy. */
-
-char *
-savestring (const char *ptr, size_t size)
-{
- char *p = (char *) xmalloc (size + 1);
-
- memcpy (p, ptr, size);
- p[size] = 0;
- return p;
-}
-
void
print_spaces (int n, struct ui_file *file)
{
int def_value;
char def_answer, not_def_answer;
char *y_string, *n_string, *question;
+ /* Used to add duration we waited for user to respond to
+ prompt_for_continue_wait_time. */
+ struct timeval prompt_started, prompt_ended, prompt_delta;
/* Set up according to which answer is the default. */
if (defchar == '\0')
/* Automatically answer the default value if the user did not want
prompts or the command was issued with the server prefix. */
- if (! caution || server_command)
+ if (!confirm || server_command)
return def_value;
/* If input isn't coming from the user directly, just say what
/* Format the question outside of the loop, to avoid reusing args. */
question = xstrvprintf (ctlstr, args);
+ /* Used for calculating time spend waiting for user. */
+ gettimeofday (&prompt_started, NULL);
+
while (1)
{
wrap_here (""); /* Flush any buffered output. */
y_string, n_string);
}
+ /* Add time spend in this routine to prompt_for_continue_wait_time. */
+ gettimeofday (&prompt_ended, NULL);
+ timeval_sub (&prompt_delta, &prompt_ended, &prompt_started);
+ timeval_add (&prompt_for_continue_wait_time,
+ &prompt_for_continue_wait_time, &prompt_delta);
+
xfree (question);
if (annotation_level > 1)
printf_filtered (("\n\032\032post-query\n"));
cleanups = make_cleanup_obstack_free (&host_data);
convert_between_encodings (target_charset (gdbarch), host_charset (),
- &the_char, 1, 1, &host_data, translit_none);
+ (gdb_byte *) &the_char, 1, 1,
+ &host_data, translit_none);
if (obstack_object_size (&host_data) == 1)
{
lines_per_page = UINT_MAX;
}
- /* FIXME: Get rid of this junk. */
-#if defined(SIGWINCH) && defined(SIGWINCH_HANDLER)
- SIGWINCH_HANDLER (SIGWINCH);
-#endif
-
/* If the output is not a terminal, don't paginate it. */
if (!ui_file_isatty (gdb_stdout))
lines_per_page = UINT_MAX;
{
char *ignore;
char cont_prompt[120];
+ /* Used to add duration we waited for user to respond to
+ prompt_for_continue_wait_time. */
+ struct timeval prompt_started, prompt_ended, prompt_delta;
+
+ gettimeofday (&prompt_started, NULL);
if (annotation_level > 1)
printf_unfiltered (("\n\032\032pre-prompt-for-continue\n"));
reinitialize_more_filter ();
immediate_quit++;
+ QUIT;
/* On a real operating system, the user can quit with SIGINT.
But not on GO32.
out to DOS. */
ignore = gdb_readline_wrapper (cont_prompt);
+ /* Add time spend in this routine to prompt_for_continue_wait_time. */
+ gettimeofday (&prompt_ended, NULL);
+ timeval_sub (&prompt_delta, &prompt_ended, &prompt_started);
+ timeval_add (&prompt_for_continue_wait_time,
+ &prompt_for_continue_wait_time, &prompt_delta);
+
if (annotation_level > 1)
printf_unfiltered (("\n\032\032post-prompt-for-continue\n"));
while (*p == ' ' || *p == '\t')
++p;
if (p[0] == 'q')
- async_request_quit (0);
+ quit ();
xfree (ignore);
}
immediate_quit--;
demangling is off, the name is printed in its "raw" form. */
void
-fprintf_symbol_filtered (struct ui_file *stream, char *name,
+fprintf_symbol_filtered (struct ui_file *stream, const char *name,
enum language lang, int arg_mode)
{
char *demangled;
initialize_utils (void)
{
add_setshow_uinteger_cmd ("width", class_support, &chars_per_line, _("\
-Set number of characters gdb thinks are in a line."), _("\
-Show number of characters gdb thinks are in a line."), NULL,
+Set number of characters where GDB should wrap lines of its output."), _("\
+Show number of characters where GDB should wrap lines of its output."), _("\
+This affects where GDB wraps its output to fit the screen width.\n\
+Setting this to zero prevents GDB from wrapping its output."),
set_width_command,
show_chars_per_line,
&setlist, &showlist);
add_setshow_uinteger_cmd ("height", class_support, &lines_per_page, _("\
-Set number of lines gdb thinks are in a page."), _("\
-Show number of lines gdb thinks are in a page."), NULL,
+Set number of lines in a page for GDB output pagination."), _("\
+Show number of lines in a page for GDB output pagination."), _("\
+This affects the number of lines after which GDB will pause\n\
+its output and ask you whether to continue.\n\
+Setting this to zero causes GDB never pause during output."),
set_height_command,
show_lines_per_page,
&setlist, &showlist);
init_page_info ();
- add_setshow_boolean_cmd ("demangle", class_support, &demangle, _("\
-Set demangling of encoded C++/ObjC names when displaying symbols."), _("\
-Show demangling of encoded C++/ObjC names when displaying symbols."), NULL,
- NULL,
- show_demangle,
- &setprintlist, &showprintlist);
-
add_setshow_boolean_cmd ("pagination", class_support,
&pagination_enabled, _("\
-Set state of pagination."), _("\
-Show state of pagination."), NULL,
+Set state of GDB output pagination."), _("\
+Show state of GDB output pagination."), _("\
+When pagination is ON, GDB pauses at end of each screenful of\n\
+its output and asks you whether to continue.\n\
+Turning pagination off is an alternative to \"set height 0\"."),
NULL,
show_pagination_enabled,
&setlist, &showlist);
show_sevenbit_strings,
&setprintlist, &showprintlist);
- add_setshow_boolean_cmd ("asm-demangle", class_support, &asm_demangle, _("\
-Set demangling of C++/ObjC names in disassembly listings."), _("\
-Show demangling of C++/ObjC names in disassembly listings."), NULL,
- NULL,
- show_asm_demangle,
- &setprintlist, &showprintlist);
-
add_setshow_boolean_cmd ("timestamp", class_maintenance,
&debug_timestamp, _("\
Set timestamping of debugging messages."), _("\
&setdebuglist, &showdebuglist);
}
-/* Machine specific function to handle SIGWINCH signal. */
-
-#ifdef SIGWINCH_HANDLER_BODY
-SIGWINCH_HANDLER_BODY
-#endif
/* Print routines to handle variable size regs, etc. */
/* Temporary storage using circular buffer. */
#define NUMCELLS 16
return hex_string_custom (address, 16);
}
+/* Callback hash_f for htab_create_alloc or htab_create_alloc_ex. */
+
+hashval_t
+core_addr_hash (const void *ap)
+{
+ const CORE_ADDR *addrp = ap;
+
+ return *addrp;
+}
+
+/* Callback eq_f for htab_create_alloc or htab_create_alloc_ex. */
+
+int
+core_addr_eq (const void *ap, const void *bp)
+{
+ const CORE_ADDR *addr_ap = ap;
+ const CORE_ADDR *addr_bp = bp;
+
+ return *addr_ap == *addr_bp;
+}
+
static char *
decimal2str (char *sign, ULONGEST addr, int width)
{
}
#endif
- /* This system is a lost cause, just dup the buffer. */
- return xstrdup (filename);
-}
-
-/* Return a copy of FILENAME, with its directory prefix canonicalized
- by gdb_realpath. */
-
-char *
-xfullpath (const char *filename)
-{
- const char *base_name = lbasename (filename);
- char *dir_name;
- char *real_path;
- char *result;
-
- /* Extract the basename of filename, and return immediately
- a copy of filename if it does not contain any directory prefix. */
- if (base_name == filename)
- return xstrdup (filename);
-
- dir_name = alloca ((size_t) (base_name - filename + 2));
- /* Allocate enough space to store the dir_name + plus one extra
- character sometimes needed under Windows (see below), and
- then the closing \000 character. */
- strncpy (dir_name, filename, base_name - filename);
- dir_name[base_name - filename] = '\000';
+ /* The MS Windows method. If we don't have realpath, we assume we
+ don't have symlinks and just canonicalize to a Windows absolute
+ path. GetFullPath converts ../ and ./ in relative paths to
+ absolute paths, filling in current drive if one is not given
+ or using the current directory of a specified drive (eg, "E:foo").
+ It also converts all forward slashes to back slashes. */
+ /* The file system is case-insensitive but case-preserving.
+ So we do not lowercase the path. Otherwise, we might not
+ be able to display the original casing in a given path. */
+#if defined (_WIN32)
+ {
+ char buf[MAX_PATH];
+ DWORD len = GetFullPathName (filename, MAX_PATH, buf, NULL);
-#ifdef HAVE_DOS_BASED_FILE_SYSTEM
- /* We need to be careful when filename is of the form 'd:foo', which
- is equivalent of d:./foo, which is totally different from d:/foo. */
- if (strlen (dir_name) == 2 && isalpha (dir_name[0]) && dir_name[1] == ':')
- {
- dir_name[2] = '.';
- dir_name[3] = '\000';
- }
+ if (len > 0 && len < MAX_PATH)
+ return xstrdup (buf);
+ }
#endif
- /* Canonicalize the directory prefix, and build the resulting
- filename. If the dirname realpath already contains an ending
- directory separator, avoid doubling it. */
- real_path = gdb_realpath (dir_name);
- if (IS_DIR_SEPARATOR (real_path[strlen (real_path) - 1]))
- result = concat (real_path, base_name, (char *) NULL);
- else
- result = concat (real_path, SLASH_STRING, base_name, (char *) NULL);
-
- xfree (real_path);
- return result;
-}
-
-
-/* This is the 32-bit CRC function used by the GNU separate debug
- facility. An executable may contain a section named
- .gnu_debuglink, which holds the name of a separate executable file
- containing its debug info, and a checksum of that file's contents,
- computed using this function. */
-unsigned long
-gnu_debuglink_crc32 (unsigned long crc, unsigned char *buf, size_t len)
-{
- static const unsigned int crc32_table[256] = {
- 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
- 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
- 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
- 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
- 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
- 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
- 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
- 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
- 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
- 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
- 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
- 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
- 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
- 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
- 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
- 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
- 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
- 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
- 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
- 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
- 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
- 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
- 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
- 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
- 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
- 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
- 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
- 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
- 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
- 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
- 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
- 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
- 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
- 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
- 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
- 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
- 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
- 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
- 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
- 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
- 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
- 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
- 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
- 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
- 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
- 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
- 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
- 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
- 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
- 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
- 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
- 0x2d02ef8d
- };
- unsigned char *end;
-
- crc = ~crc & 0xffffffff;
- for (end = buf + len; buf < end; ++buf)
- crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8);
- return ~crc & 0xffffffff;
+ /* This system is a lost cause, just dup the buffer. */
+ return xstrdup (filename);
}
ULONGEST
return * (int *) ap - * (int *) bp;
}
+/* String compare function for qsort. */
+
+int
+compare_strings (const void *arg1, const void *arg2)
+{
+ const char **s1 = (const char **) arg1;
+ const char **s2 = (const char **) arg2;
+
+ return strcmp (*s1, *s2);
+}
+
#define AMBIGUOUS_MESS1 ".\nMatching formats:"
#define AMBIGUOUS_MESS2 \
".\nUse \"set gnutarget format-name\" to specify the format."
return make_cleanup (do_bpstat_clear_actions_cleanup, NULL);
}
+/* Check for GCC >= 4.x according to the symtab->producer string. Return minor
+ version (x) of 4.x in such case. If it is not GCC or it is GCC older than
+ 4.x return -1. If it is GCC 5.x or higher return INT_MAX. */
+
+int
+producer_is_gcc_ge_4 (const char *producer)
+{
+ const char *cs;
+ int major, minor;
+
+ if (producer == NULL)
+ {
+ /* For unknown compilers expect their behavior is not compliant. For GCC
+ this case can also happen for -gdwarf-4 type units supported since
+ gcc-4.5. */
+
+ return -1;
+ }
+
+ /* Skip any identifier after "GNU " - such as "C++" or "Java". */
+
+ if (strncmp (producer, "GNU ", strlen ("GNU ")) != 0)
+ {
+ /* For non-GCC compilers expect their behavior is not compliant. */
+
+ return -1;
+ }
+ cs = &producer[strlen ("GNU ")];
+ while (*cs && !isdigit (*cs))
+ cs++;
+ if (sscanf (cs, "%d.%d", &major, &minor) != 2)
+ {
+ /* Not recognized as GCC. */
+
+ return -1;
+ }
+
+ if (major < 4)
+ return -1;
+ if (major > 4)
+ return INT_MAX;
+ return minor;
+}
+
+/* Helper for make_cleanup_free_char_ptr_vec. */
+
+static void
+do_free_char_ptr_vec (void *arg)
+{
+ VEC (char_ptr) *char_ptr_vec = arg;
+
+ free_char_ptr_vec (char_ptr_vec);
+}
+
+/* Make cleanup handler calling xfree for each element of CHAR_PTR_VEC and
+ final VEC_free for CHAR_PTR_VEC itself.
+
+ You must not modify CHAR_PTR_VEC after this cleanup registration as the
+ CHAR_PTR_VEC base address may change on its updates. Contrary to VEC_free
+ this function does not (cannot) clear the pointer. */
+
+struct cleanup *
+make_cleanup_free_char_ptr_vec (VEC (char_ptr) *char_ptr_vec)
+{
+ return make_cleanup (do_free_char_ptr_vec, char_ptr_vec);
+}
+
+/* Substitute all occurences of string FROM by string TO in *STRINGP. *STRINGP
+ must come from xrealloc-compatible allocator and it may be updated. FROM
+ needs to be delimited by IS_DIR_SEPARATOR or DIRNAME_SEPARATOR (or be
+ located at the start or end of *STRINGP. */
+
+void
+substitute_path_component (char **stringp, const char *from, const char *to)
+{
+ char *string = *stringp, *s;
+ const size_t from_len = strlen (from);
+ const size_t to_len = strlen (to);
+
+ for (s = string;;)
+ {
+ s = strstr (s, from);
+ if (s == NULL)
+ break;
+
+ if ((s == string || IS_DIR_SEPARATOR (s[-1])
+ || s[-1] == DIRNAME_SEPARATOR)
+ && (s[from_len] == '\0' || IS_DIR_SEPARATOR (s[from_len])
+ || s[from_len] == DIRNAME_SEPARATOR))
+ {
+ char *string_new;
+
+ string_new = xrealloc (string, (strlen (string) + to_len + 1));
+
+ /* Relocate the current S pointer. */
+ s = s - string + string_new;
+ string = string_new;
+
+ /* Replace from by to. */
+ memmove (&s[to_len], &s[from_len], strlen (&s[from_len]) + 1);
+ memcpy (s, to, to_len);
+
+ s += to_len;
+ }
+ else
+ s++;
+ }
+
+ *stringp = string;
+}
+
+#ifdef HAVE_WAITPID
+
+#ifdef SIGALRM
+
+/* SIGALRM handler for waitpid_with_timeout. */
+
+static void
+sigalrm_handler (int signo)
+{
+ /* Nothing to do. */
+}
+
+#endif
+
+/* Wrapper to wait for child PID to die with TIMEOUT.
+ TIMEOUT is the time to stop waiting in seconds.
+ If TIMEOUT is zero, pass WNOHANG to waitpid.
+ Returns PID if it was successfully waited for, otherwise -1.
+
+ Timeouts are currently implemented with alarm and SIGALRM.
+ If the host does not support them, this waits "forever".
+ It would be odd though for a host to have waitpid and not SIGALRM. */
+
+pid_t
+wait_to_die_with_timeout (pid_t pid, int *status, int timeout)
+{
+ pid_t waitpid_result;
+
+ gdb_assert (pid > 0);
+ gdb_assert (timeout >= 0);
+
+ if (timeout > 0)
+ {
+#ifdef SIGALRM
+#if defined (HAVE_SIGACTION) && defined (SA_RESTART)
+ struct sigaction sa, old_sa;
+
+ sa.sa_handler = sigalrm_handler;
+ sigemptyset (&sa.sa_mask);
+ sa.sa_flags = 0;
+ sigaction (SIGALRM, &sa, &old_sa);
+#else
+ void (*ofunc) ();
+
+ ofunc = (void (*)()) signal (SIGALRM, sigalrm_handler);
+#endif
+
+ alarm (timeout);
+#endif
+
+ waitpid_result = waitpid (pid, status, 0);
+
+#ifdef SIGALRM
+ alarm (0);
+#if defined (HAVE_SIGACTION) && defined (SA_RESTART)
+ sigaction (SIGALRM, &old_sa, NULL);
+#else
+ signal (SIGALRM, ofunc);
+#endif
+#endif
+ }
+ else
+ waitpid_result = waitpid (pid, status, WNOHANG);
+
+ if (waitpid_result == pid)
+ return pid;
+ else
+ return -1;
+}
+
+#endif /* HAVE_WAITPID */
+
+/* Provide fnmatch compatible function for FNM_FILE_NAME matching of host files.
+ Both FNM_FILE_NAME and FNM_NOESCAPE must be set in FLAGS.
+
+ It handles correctly HAVE_DOS_BASED_FILE_SYSTEM and
+ HAVE_CASE_INSENSITIVE_FILE_SYSTEM. */
+
+int
+gdb_filename_fnmatch (const char *pattern, const char *string, int flags)
+{
+ gdb_assert ((flags & FNM_FILE_NAME) != 0);
+
+ /* It is unclear how '\' escaping vs. directory separator should coexist. */
+ gdb_assert ((flags & FNM_NOESCAPE) != 0);
+
+#ifdef HAVE_DOS_BASED_FILE_SYSTEM
+ {
+ char *pattern_slash, *string_slash;
+
+ /* Replace '\' by '/' in both strings. */
+
+ pattern_slash = alloca (strlen (pattern) + 1);
+ strcpy (pattern_slash, pattern);
+ pattern = pattern_slash;
+ for (; *pattern_slash != 0; pattern_slash++)
+ if (IS_DIR_SEPARATOR (*pattern_slash))
+ *pattern_slash = '/';
+
+ string_slash = alloca (strlen (string) + 1);
+ strcpy (string_slash, string);
+ string = string_slash;
+ for (; *string_slash != 0; string_slash++)
+ if (IS_DIR_SEPARATOR (*string_slash))
+ *string_slash = '/';
+ }
+#endif /* HAVE_DOS_BASED_FILE_SYSTEM */
+
+#ifdef HAVE_CASE_INSENSITIVE_FILE_SYSTEM
+ flags |= FNM_CASEFOLD;
+#endif /* HAVE_CASE_INSENSITIVE_FILE_SYSTEM */
+
+ return fnmatch (pattern, string, flags);
+}
+
/* Provide a prototype to silence -Wmissing-prototypes. */
extern initialize_file_ftype _initialize_utils;
projects / deliverable / binutils-gdb.git / blobdiff