/* General utility routines for the remote server for GDB.
- Copyright (C) 1986, 1989, 1993, 1995, 1996, 1997, 1999, 2000, 2002, 2003,
- 2007, 2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 1986-2018 Free Software Foundation, Inc.
This file is part of GDB.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "server.h"
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#if HAVE_ERRNO_H
-#include <errno.h>
-#endif
-#if HAVE_MALLOC_H
-#include <malloc.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. */
-static void malloc_failure (size_t size) ATTR_NORETURN;
-
-static void
-malloc_failure (size_t size)
+void
+malloc_failure (long size)
{
- fprintf (stderr, "gdbserver: ran out of memory while trying to allocate %lu bytes\n",
+ fprintf (stderr,
+ PREFIX "ran out of memory while trying to allocate %lu bytes\n",
(unsigned long) size);
exit (1);
}
-/* Allocate memory without fail.
- If malloc fails, this will print a message to stderr and exit. */
-
-void *
-xmalloc (size_t size)
-{
- void *newmem;
-
- if (size == 0)
- size = 1;
- newmem = malloc (size);
- if (!newmem)
- malloc_failure (size);
-
- return newmem;
-}
-
-/* Allocate memory without fail and set it to zero.
- If malloc fails, this will print a message to stderr and exit. */
-
-void *
-xcalloc (size_t nelem, size_t elsize)
-{
- void *newmem;
-
- if (nelem == 0 || elsize == 0)
- nelem = elsize = 1;
-
- newmem = calloc (nelem, elsize);
- if (!newmem)
- malloc_failure (nelem * elsize);
-
- return newmem;
-}
-
/* Copy a string into a memory buffer.
If malloc fails, this will print a message to stderr and exit. */
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. */
void
-error (const char *string,...)
+verror (const char *string, va_list args)
{
- extern jmp_buf toplevel;
- va_list args;
- va_start (args, string);
+#ifdef IN_PROCESS_AGENT
fflush (stdout);
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. */
-
-/* VARARGS */
void
-fatal (const char *string,...)
+vwarning (const char *string, va_list args)
{
- va_list args;
- va_start (args, string);
- fprintf (stderr, "gdbserver: ");
+ fprintf (stderr, PREFIX);
vfprintf (stderr, string, args);
fprintf (stderr, "\n");
- va_end (args);
+}
+
+/* Report a problem internal to GDBserver, and exit. */
+
+void
+internal_verror (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");
exit (1);
}
-/* VARARGS */
+/* Report a problem internal to GDBserver. */
+
void
-warning (const char *string,...)
+internal_vwarning (const char *file, int line, const char *fmt, va_list args)
{
- va_list args;
- va_start (args, string);
- fprintf (stderr, "gdbserver: ");
- 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);
+}
+
+/* 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
}