/* General utility routines for the remote server for GDB.
- Copyright (C) 1986, 1989, 1993 Free Software Foundation, Inc.
+ Copyright (C) 1986-2015 Free Software Foundation, Inc.
-This file is part of GDB.
+ This file is part of GDB.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "server.h"
-#include <stdio.h>
+
+#ifdef IN_PROCESS_AGENT
+# define PREFIX "ipa: "
+# define TOOLNAME "GDBserver in-process agent"
+#else
+# define PREFIX "gdbserver: "
+# define TOOLNAME "GDBserver"
+#endif
/* Generally useful subroutines used throughout the program. */
+void
+malloc_failure (long size)
+{
+ fprintf (stderr,
+ PREFIX "ran out of memory while trying to allocate %lu bytes\n",
+ (unsigned long) size);
+ exit (1);
+}
+
+/* Copy a string into a memory buffer.
+ If malloc fails, this will print a message to stderr and exit. */
+
+char *
+xstrdup (const char *s)
+{
+ char *ret = strdup (s);
+ if (ret == NULL)
+ malloc_failure (strlen (s) + 1);
+ return ret;
+}
+
/* 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. */
void
-perror_with_name (string)
- char *string;
+perror_with_name (const char *string)
{
- extern int sys_nerr;
- extern char *sys_errlist[];
- extern int errno;
- char *err;
+ const char *err;
char *combined;
- if (errno < sys_nerr)
- err = sys_errlist[errno];
- else
+ err = strerror (errno);
+ if (err == NULL)
err = "unknown error";
combined = (char *) alloca (strlen (err) + strlen (string) + 3);
error ("%s.", combined);
}
-/* Print an error message and return to command level.
- STRING is the error message, used as a fprintf string,
- and ARG is passed as an argument to it. */
+/* Print an error message and return to top level. */
-NORETURN void
-error (string, arg1, arg2, arg3)
- char *string;
- int arg1, arg2, arg3;
+void
+verror (const char *string, va_list args)
{
- extern jmp_buf toplevel;
-
+#ifdef IN_PROCESS_AGENT
fflush (stdout);
- fprintf (stderr, string, arg1, arg2, arg3);
+ vfprintf (stderr, string, args);
fprintf (stderr, "\n");
- longjmp(toplevel, 1);
+ exit (1);
+#else
+ throw_verror (GENERIC_ERROR, string, args);
+#endif
}
-/* Print an error message and exit reporting failure.
- This is for a error that we cannot continue from.
- STRING and ARG are passed to fprintf. */
+void
+vwarning (const char *string, va_list args)
+{
+ fprintf (stderr, PREFIX);
+ vfprintf (stderr, string, args);
+ fprintf (stderr, "\n");
+}
+
+/* Report a problem internal to GDBserver, and exit. */
void
-fatal (string, arg)
- char *string;
- int arg;
+internal_verror (const char *file, int line, const char *fmt, va_list args)
{
- fprintf (stderr, "gdb: ");
- fprintf (stderr, string, arg);
+ fprintf (stderr, "\
+%s:%d: A problem internal to " TOOLNAME " has been detected.\n", file, line);
+ vfprintf (stderr, fmt, args);
fprintf (stderr, "\n");
exit (1);
}
+
+/* Report a problem internal to GDBserver. */
+
+void
+internal_vwarning (const char *file, int line, const char *fmt, va_list args)
+{
+ fprintf (stderr, "\
+%s:%d: A problem internal to " TOOLNAME " has been detected.\n", file, line);
+ vfprintf (stderr, fmt, args);
+ fprintf (stderr, "\n");
+}
+
+/* Convert a CORE_ADDR into a HEX string, like %lx.
+ The result is stored in a circular static buffer, NUMCELLS deep. */
+
+char *
+paddress (CORE_ADDR addr)
+{
+ return phex_nz (addr, sizeof (CORE_ADDR));
+}
+
+/* Convert a file descriptor into a printable string. */
+
+char *
+pfildes (gdb_fildes_t fd)
+{
+#if USE_WIN32API
+ return phex_nz (fd, sizeof (gdb_fildes_t));
+#else
+ return plongest (fd);
+#endif
+}
+
+/* See common/common-exceptions.h. */
+
+void
+prepare_to_throw_exception (void)
+{
+ /* No client-specific actions required. */
+}