/* 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, 1988-2012 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"
#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 */
int immediate_quit;
-/* Nonzero means that encoded C++/ObjC names should be printed out in their
- C++/ObjC form rather than raw. */
-
-int demangle = 1;
-static void
-show_demangle (struct ui_file *file, int from_tty,
- struct cmd_list_element *c, const char *value)
-{
- fprintf_filtered (file,
- _("Demangling of encoded C++/ObjC names "
- "when displaying symbols is %s.\n"),
- value);
-}
-
-/* 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. */
-
-int asm_demangle = 0;
-static void
-show_asm_demangle (struct ui_file *file, int from_tty,
- struct cmd_list_element *c, const char *value)
-{
- fprintf_filtered (file,
- _("Demangling of C++/ObjC names in "
- "disassembly listings is %s.\n"),
- value);
-}
-
/* 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.) */
return make_my_cleanup (&cleanup_chain, do_freeargv, arg);
}
+static void
+do_dyn_string_delete (void *arg)
+{
+ dyn_string_delete ((dyn_string_t) arg);
+}
+
+struct cleanup *
+make_cleanup_dyn_string_delete (dyn_string_t arg)
+{
+ return make_my_cleanup (&cleanup_chain, do_dyn_string_delete, arg);
+}
+
static void
do_bfd_close_cleanup (void *arg)
{
return make_my_cleanup (&cleanup_chain, 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 ui_file **variable;
return make_my_cleanup (&cleanup_chain, do_value_free, value);
}
+/* Helper for make_cleanup_free_so. */
+
+static void
+do_free_so (void *arg)
+{
+ struct so_list *so = arg;
+
+ free_so (so);
+}
+
+/* Make cleanup handler calling free_so for SO. */
+
+struct cleanup *
+make_cleanup_free_so (struct so_list *so)
+{
+ return make_my_cleanup (&cleanup_chain, do_free_so, so);
+}
+
struct cleanup *
make_my_cleanup2 (struct cleanup **pmy_chain, make_cleanup_ftype *function,
void *arg, void (*free_arg) (void *))
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);
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)
#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);
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);
/* 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
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;
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_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."), _("\
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
+ /* 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);
+
+ if (len > 0 && len < MAX_PATH)
+ return xstrdup (buf);
+ }
+#endif
+
/* This system is a lost cause, just dup the buffer. */
return xstrdup (filename);
}
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;
+}
+
+#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 a prototype to silence -Wmissing-prototypes. */
extern initialize_file_ftype _initialize_utils;
projects / deliverable / binutils-gdb.git / blobdiff