#include "inferior.h" /* for signed_pointer_to_address */
-#include <sys/param.h> /* For MAXPATHLEN */
-
#include "gdb_curses.h"
#include "readline/readline.h"
value);
}
-/* String to be printed before error messages, if any. */
-
-char *error_pre_print;
-
-/* String to be printed before quit messages, if any. */
-
-char *quit_pre_print;
-
/* String to be printed before warning messages, if any. */
char *warning_pre_print = "\nwarning: ";
int quit_p;
int dump_core_p;
char *reason;
+ struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
/* Don't allow infinite error/warning recursion. */
{
}
dejavu = 0;
+ do_cleanups (cleanup);
}
static struct internal_problem internal_error_problem = {
internal_verror (const char *file, int line, const char *fmt, va_list ap)
{
internal_vproblem (&internal_error_problem, file, line, fmt, ap);
- deprecated_throw_reason (RETURN_ERROR);
+ fatal (_("Command aborted."));
}
void
}
/* Print the system error message for errno, and also mention STRING
- as the file name for which the error was encountered.
- Then return to command level. */
+ as the file name for which the error was encountered. Use ERRCODE
+ for the thrown exception. Then return to command level. */
void
-perror_with_name (const char *string)
+throw_perror_with_name (enum errors errcode, const char *string)
{
char *err;
char *combined;
bfd_set_error (bfd_error_no_error);
errno = 0;
- error (_("%s."), combined);
+ throw_error (errcode, _("%s."), combined);
+}
+
+/* See throw_perror_with_name, ERRCODE defaults here to GENERIC_ERROR. */
+
+void
+perror_with_name (const char *string)
+{
+ throw_perror_with_name (GENERIC_ERROR, string);
}
/* Print the system error message for ERRCODE, and also mention STRING
return result;
}
+/* Compile a regexp and throw an exception on error. This returns a
+ cleanup to free the resulting pattern on success. RX must not be
+ NULL. */
+
+struct cleanup *
+compile_rx_or_error (regex_t *pattern, const char *rx, const char *message)
+{
+ int code;
+
+ gdb_assert (rx != NULL);
+
+ code = regcomp (pattern, rx, REG_NOSUB);
+ if (code != 0)
+ {
+ char *err = get_regcomp_error (code, pattern);
+
+ make_cleanup (xfree, err);
+ error (("%s: %s"), message, err);
+ }
+
+ return make_regfree_cleanup (pattern);
+}
+
\f
/* This function supports the query, nquery, and yquery functions.
after the zeros. A value of 0 does not mean end of string. */
int
-parse_escape (struct gdbarch *gdbarch, char **string_ptr)
+parse_escape (struct gdbarch *gdbarch, const char **string_ptr)
{
int target_char = -2; /* Initialize to avoid GCC warnings. */
int c = *(*string_ptr)++;
lines_per_page = rows;
chars_per_line = cols;
- /* Readline should have fetched the termcap entry for us. */
- if (tgetnum ("li") < 0 || getenv ("EMACS"))
+ /* Readline should have fetched the termcap entry for us.
+ Only try to use tgetnum function if rl_get_screen_size
+ did not return a useful value. */
+ if (((rows <= 0) && (tgetnum ("li") < 0))
+ /* Also disable paging if inside EMACS. */
+ || getenv ("EMACS"))
{
- /* The number of lines per page is not mentioned in the
- terminal description. This probably means that paging is
- not useful (e.g. emacs shell window), so disable paging. */
+ /* The number of lines per page is not mentioned in the terminal
+ description or EMACS evironment variable is set. This probably
+ means that paging is not useful, so disable paging. */
lines_per_page = UINT_MAX;
}
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."),
+Setting this to \"unlimited\" or zero prevents GDB from wrapping its output."),
set_width_command,
show_chars_per_line,
&setlist, &showlist);
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."),
+Setting this to \"unlimited\" or zero causes GDB never pause during output."),
set_height_command,
show_lines_per_page,
&setlist, &showlist);
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\"."),
+Turning pagination off is an alternative to \"set height unlimited\"."),
NULL,
show_pagination_enabled,
&setlist, &showlist);
path. Use that and realpath() to canonicalize the name. This is
the most common case. Note that, if there isn't a compile time
upper bound, you want to avoid realpath() at all costs. */
-#if defined(HAVE_REALPATH)
+#if defined (HAVE_REALPATH) && defined (PATH_MAX)
{
-# if defined (PATH_MAX)
char buf[PATH_MAX];
-# define USE_REALPATH
-# elif defined (MAXPATHLEN)
- char buf[MAXPATHLEN];
-# define USE_REALPATH
-# endif
-# if defined (USE_REALPATH)
const char *rp = realpath (filename, buf);
if (rp == NULL)
rp = filename;
return xstrdup (rp);
-# endif
}
#endif /* HAVE_REALPATH */
pathconf()) making it impossible to pass a correctly sized buffer
to realpath() (it could always overflow). On those systems, we
skip this. */
-#if defined (HAVE_REALPATH) && defined (HAVE_UNISTD_H) && defined(HAVE_ALLOCA)
+#if defined (HAVE_REALPATH) && defined (_PC_PATH_MAX) && defined(HAVE_ALLOCA)
{
/* Find out the max path size. */
long path_max = pathconf ("/", _PC_PATH_MAX);
return (v & -n);
}
+/* See utils.h. */
+
+LONGEST
+gdb_sign_extend (LONGEST value, int bit)
+{
+ gdb_assert (bit >= 1 && bit <= 8 * sizeof (LONGEST));
+
+ if (((value >> (bit - 1)) & 1) != 0)
+ {
+ LONGEST signbit = ((LONGEST) 1) << (bit - 1);
+
+ value = (value ^ signbit) - signbit;
+ }
+
+ return value;
+}
+
/* Allocation function for the libiberty hash table which uses an
obstack. The obstack is passed as DATA. */
projects / deliverable / binutils-gdb.git / blobdiff