1 /* Native support for GNU/Linux, for GDB, the GNU debugger.
3 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
22 /* Linux is svr4ish but not that much */
25 /* Tell gdb that we can attach and detach other processes */
28 /* We define this if link.h is available, because with ELF we use SVR4 style
32 #define SVR4_SHARED_LIBS
33 #include "solib.h" /* Support for shared libraries. */
36 /* Support for the glibc linuxthreads package. */
40 /* Hook to look at new objfiles (shared libraries) */
41 extern void linuxthreads_new_objfile (struct objfile
*objfile
);
43 /* Method to print a human-readable thread description */
44 extern char *linuxthreads_pid_to_str (int pid
);
46 extern int linuxthreads_prepare_to_proceed (int step
);
47 #define PREPARE_TO_PROCEED(select_it) linuxthreads_prepare_to_proceed (1)
49 /* Defined to make stepping-over-breakpoints be thread-atomic. */
50 #define USE_THREAD_STEP_NEEDED 1
52 /* Macros to extract process id and thread id from a composite pid/tid.
53 Allocate lower 19 bits for process id, next 12 bits for thread id, and
54 one bit for a flag to indicate a user thread vs. a kernel thread. */
55 #define PIDGET(PID) (((PID) & 0xffff))
56 #define TIDGET(PID) (((PID) & 0x7fffffff) >> 16)
57 #define MERGEPID(PID, TID) (((PID) & 0xffff) | ((TID) << 16))
59 /* Use elf_gregset_t and elf_fpregset_t, rather than
60 gregset_t and fpregset_t. */
62 #define GDB_GREGSET_T elf_gregset_t
63 #define GDB_FPREGSET_T elf_fpregset_t
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