/* 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 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
+ 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,
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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "server.h"
-#include <stdio.h>
-#include <string.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 (char *string)
+perror_with_name (const char *string)
{
-#ifndef STDC_HEADERS
- extern int sys_nerr;
- extern char *sys_errlist[];
- extern int errno;
-#endif
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. */
-#ifdef ANSI_PROTOTYPES
-NORETURN void
-error (const char *string,...)
-#else
void
-error (va_alist)
- va_dcl
-#endif
+verror (const char *string, va_list args)
{
- extern jmp_buf toplevel;
- va_list args;
-#ifdef ANSI_PROTOTYPES
- va_start (args, string);
-#else
- va_start (args);
-#endif
+#ifdef IN_PROCESS_AGENT
fflush (stdout);
-#ifdef ANSI_PROTOTYPES
vfprintf (stderr, string, args);
+ fprintf (stderr, "\n");
+ exit (1);
#else
- {
- char *string1;
-
- string1 = va_arg (args, char *);
- vfprintf (stderr, string1, args);
- }
+ throw_verror (GENERIC_ERROR, string, args);
#endif
+}
+
+void
+vwarning (const char *string, va_list args)
+{
+ fprintf (stderr, PREFIX);
+ vfprintf (stderr, string, args);
fprintf (stderr, "\n");
- longjmp (toplevel, 1);
}
-/* 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. */
+/* Report a problem internal to GDBserver, and exit. */
-/* VARARGS */
-NORETURN void
-#ifdef ANSI_PROTOTYPES
-fatal (char *string,...)
-#else
-fatal (va_alist)
- va_dcl
-#endif
+void
+internal_verror (const char *file, int line, const char *fmt, va_list args)
{
- va_list args;
-#ifdef ANSI_PROTOTYPES
- va_start (args, string);
-#else
- char *string;
- va_start (args);
- string = va_arg (args, char *);
-#endif
- fprintf (stderr, "gdb: ");
- vfprintf (stderr, string, args);
+ fprintf (stderr, "\
+%s:%d: A problem internal to " TOOLNAME " has been detected.\n", file, line);
+ vfprintf (stderr, fmt, args);
fprintf (stderr, "\n");
- va_end (args);
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. */
+}