mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
140 lines
3.3 KiB
C
140 lines
3.3 KiB
C
/* General utility routines for the remote server for GDB.
|
|
Copyright (C) 1986-2018 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 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.
|
|
|
|
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"
|
|
|
|
#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 (const char *string)
|
|
{
|
|
const char *err;
|
|
char *combined;
|
|
|
|
err = strerror (errno);
|
|
if (err == NULL)
|
|
err = "unknown error";
|
|
|
|
combined = (char *) alloca (strlen (err) + strlen (string) + 3);
|
|
strcpy (combined, string);
|
|
strcat (combined, ": ");
|
|
strcat (combined, err);
|
|
|
|
error ("%s.", combined);
|
|
}
|
|
|
|
/* Print an error message and return to top level. */
|
|
|
|
void
|
|
verror (const char *string, va_list args)
|
|
{
|
|
#ifdef IN_PROCESS_AGENT
|
|
fflush (stdout);
|
|
vfprintf (stderr, string, args);
|
|
fprintf (stderr, "\n");
|
|
exit (1);
|
|
#else
|
|
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");
|
|
}
|
|
|
|
/* 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);
|
|
}
|
|
|
|
/* 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
|
|
}
|