1 /* General utility routines for the remote server for GDB.
2 Copyright (C) 1986-2018 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 #ifdef IN_PROCESS_AGENT
22 # define PREFIX "ipa: "
23 # define TOOLNAME "GDBserver in-process agent"
25 # define PREFIX "gdbserver: "
26 # define TOOLNAME "GDBserver"
29 /* Generally useful subroutines used throughout the program. */
32 malloc_failure (long size)
35 PREFIX "ran out of memory while trying to allocate %lu bytes\n",
36 (unsigned long) size);
40 /* Copy a string into a memory buffer.
41 If malloc fails, this will print a message to stderr and exit. */
44 xstrdup (const char *s)
46 char *ret = strdup (s);
48 malloc_failure (strlen (s) + 1);
52 /* Print the system error message for errno, and also mention STRING
53 as the file name for which the error was encountered.
54 Then return to command level. */
57 perror_with_name (const char *string)
62 err = strerror (errno);
64 err = "unknown error";
66 combined = (char *) alloca (strlen (err) + strlen (string) + 3);
67 strcpy (combined, string);
68 strcat (combined, ": ");
69 strcat (combined, err);
71 error ("%s.", combined);
74 /* Print an error message and return to top level. */
77 verror (const char *string, va_list args)
79 #ifdef IN_PROCESS_AGENT
81 vfprintf (stderr, string, args);
82 fprintf (stderr, "\n");
85 throw_verror (GENERIC_ERROR, string, args);
90 vwarning (const char *string, va_list args)
92 fprintf (stderr, PREFIX);
93 vfprintf (stderr, string, args);
94 fprintf (stderr, "\n");
97 /* Report a problem internal to GDBserver, and exit. */
100 internal_verror (const char *file, int line, const char *fmt, va_list args)
103 %s:%d: A problem internal to " TOOLNAME " has been detected.\n", file, line);
104 vfprintf (stderr, fmt, args);
105 fprintf (stderr, "\n");
109 /* Report a problem internal to GDBserver. */
112 internal_vwarning (const char *file, int line, const char *fmt, va_list args)
115 %s:%d: A problem internal to " TOOLNAME " has been detected.\n", file, line);
116 vfprintf (stderr, fmt, args);
117 fprintf (stderr, "\n");
120 /* Convert a CORE_ADDR into a HEX string, like %lx.
121 The result is stored in a circular static buffer, NUMCELLS deep. */
124 paddress (CORE_ADDR addr)
126 return phex_nz (addr, sizeof (CORE_ADDR));
129 /* Convert a file descriptor into a printable string. */
132 pfildes (gdb_fildes_t fd)
135 return phex_nz (fd, sizeof (gdb_fildes_t));
137 return plongest (fd);