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author | Tom Tromey <tom@tromey.com> | 2019-12-15 07:37:06 -0700 |
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committer | Tom Tromey <tromey@adacore.com> | 2020-02-07 08:42:25 -0700 |
commit | 919adfe8409211c726c1d05b47ca59890ee648f1 (patch) | |
tree | d2ef4abf9e5590b43a59f3f8747b0d5bab94ab6f /gdbserver/server.h | |
parent | e8319fde715960466aca2461c74cec8907abd391 (diff) | |
download | binutils-919adfe8409211c726c1d05b47ca59890ee648f1.zip binutils-919adfe8409211c726c1d05b47ca59890ee648f1.tar.gz binutils-919adfe8409211c726c1d05b47ca59890ee648f1.tar.bz2 |
Move gdbserver to top level
This patch moves gdbserver to the top level.
This patch is as close to a pure move as possible -- gdbserver still
builds its own variant of gnulib and gdbsupport. Changing this will
be done in a separate patch.
[v2] Note that, per Simon's review comment, this patch changes the
tree so that gdbserver is not built for or1k or score. This makes
sense, because there is apparently not actually a gdbserver port here.
[v3] This version of the patch also splits out some configury into a
new file, gdbserver/configure.host, so that the top-level configure
script can simply rely on it in order to decide whether gdbserver
should be built.
[v4] This version adds documentation and removes some unnecessary
top-level dependencies.
[v5] Update docs to mention "make all-gdbserver" and change how
top-level configure decides whether to build gdbserver, switching to a
single, shared script.
Tested by the buildbot.
ChangeLog
2020-02-07 Tom Tromey <tom@tromey.com>
Pedro Alves <palves@redhat.com>
* src-release.sh (GDB_SUPPORT_DIRS): Add gdbserver.
* gdbserver: New directory, moved from gdb/gdbserver.
* configure.ac (host_tools): Add gdbserver.
Only build gdbserver on certain systems.
* Makefile.in, configure: Rebuild.
* Makefile.def (host_modules, dependencies): Add gdbserver.
* MAINTAINERS: Add gdbserver.
gdb/ChangeLog
2020-02-07 Tom Tromey <tom@tromey.com>
* README: Update gdbserver documentation.
* gdbserver: Move to top level.
* configure.tgt (build_gdbserver): Remove.
* configure.ac: Remove --enable-gdbserver.
* configure: Rebuild.
* Makefile.in (distclean): Don't mention gdbserver.
Change-Id: I826b7565b54604711dc7a11edea0499cd51ff39e
Diffstat (limited to 'gdbserver/server.h')
-rw-r--r-- | gdbserver/server.h | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/gdbserver/server.h b/gdbserver/server.h new file mode 100644 index 0000000..3c28686 --- /dev/null +++ b/gdbserver/server.h @@ -0,0 +1,210 @@ +/* Common definitions for remote server for GDB. + Copyright (C) 1993-2020 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/>. */ + +#ifndef GDBSERVER_SERVER_H +#define GDBSERVER_SERVER_H + +#include "gdbsupport/common-defs.h" + +#undef PACKAGE +#undef PACKAGE_NAME +#undef PACKAGE_VERSION +#undef PACKAGE_STRING +#undef PACKAGE_TARNAME + +#include <config.h> + +gdb_static_assert (sizeof (CORE_ADDR) >= sizeof (void *)); + +#ifdef __MINGW32CE__ +#include "wincecompat.h" +#endif + +#include "gdbsupport/version.h" + +#if !HAVE_DECL_PERROR +#ifndef perror +extern void perror (const char *); +#endif +#endif + +#if !HAVE_DECL_VASPRINTF +extern int vasprintf(char **strp, const char *fmt, va_list ap); +#endif +#if !HAVE_DECL_VSNPRINTF +int vsnprintf(char *str, size_t size, const char *format, va_list ap); +#endif + +#ifdef IN_PROCESS_AGENT +# define PROG "ipa" +#else +# define PROG "gdbserver" +#endif + +#include "gdbsupport/buffer.h" +#include "gdbsupport/xml-utils.h" +#include "regcache.h" +#include "gdbsupport/gdb_signals.h" +#include "target.h" +#include "mem-break.h" +#include "gdbsupport/environ.h" + +/* Target-specific functions */ + +void initialize_low (); + +/* Public variables in server.c */ + +extern bool server_waiting; + +extern bool disable_packet_vCont; +extern bool disable_packet_Tthread; +extern bool disable_packet_qC; +extern bool disable_packet_qfThreadInfo; + +extern bool run_once; +extern bool non_stop; + +#if USE_WIN32API +#include <winsock2.h> +typedef SOCKET gdb_fildes_t; +#else +typedef int gdb_fildes_t; +#endif + +#include "event-loop.h" + +/* Functions from server.c. */ +extern void handle_v_requests (char *own_buf, int packet_len, + int *new_packet_len); +extern int handle_serial_event (int err, gdb_client_data client_data); +extern int handle_target_event (int err, gdb_client_data client_data); + +/* Get rid of the currently pending stop replies that match PTID. */ +extern void discard_queued_stop_replies (ptid_t ptid); + +/* Returns true if there's a pending stop reply that matches PTID in + the vStopped notifications queue. */ +extern int in_queued_stop_replies (ptid_t ptid); + +#include "remote-utils.h" + +#include "utils.h" +#include "debug.h" +#include "gdbsupport/gdb_vecs.h" + +/* Maximum number of bytes to read/write at once. The value here + is chosen to fill up a packet (the headers account for the 32). */ +#define MAXBUFBYTES(N) (((N)-32)/2) + +/* Buffer sizes for transferring memory, registers, etc. Set to a constant + value to accomodate multiple register formats. This value must be at least + as large as the largest register set supported by gdbserver. */ +#define PBUFSIZ 18432 + +/* Definition for an unknown syscall, used basically in error-cases. */ +#define UNKNOWN_SYSCALL (-1) + +/* Definition for any syscall, used for unfiltered syscall reporting. */ +#define ANY_SYSCALL (-2) + +/* After fork_inferior has been called, we need to adjust a few + signals and call startup_inferior to start the inferior and consume + its first events. This is done here. PID is the pid of the new + inferior and PROGRAM is its name. */ +extern void post_fork_inferior (int pid, const char *program); + +/* Get the gdb_environ being used in the current session. */ +extern gdb_environ *get_environ (); + +extern unsigned long signal_pid; + + +/* Description of the client remote protocol state for the currently + connected client. */ + +struct client_state +{ + client_state (): + own_buf ((char *) xmalloc (PBUFSIZ + 1)) + {} + + /* The thread set with an `Hc' packet. `Hc' is deprecated in favor of + `vCont'. Note the multi-process extensions made `vCont' a + requirement, so `Hc pPID.TID' is pretty much undefined. So + CONT_THREAD can be null_ptid for no `Hc' thread, minus_one_ptid for + resuming all threads of the process (again, `Hc' isn't used for + multi-process), or a specific thread ptid_t. */ + ptid_t cont_thread; + + /* The thread set with an `Hg' packet. */ + ptid_t general_thread; + + int multi_process = 0; + int report_fork_events = 0; + int report_vfork_events = 0; + int report_exec_events = 0; + int report_thread_events = 0; + + /* True if the "swbreak+" feature is active. In that case, GDB wants + us to report whether a trap is explained by a software breakpoint + and for the server to handle PC adjustment if necessary on this + target. Only enabled if the target supports it. */ + int swbreak_feature = 0; + /* True if the "hwbreak+" feature is active. In that case, GDB wants + us to report whether a trap is explained by a hardware breakpoint. + Only enabled if the target supports it. */ + int hwbreak_feature = 0; + + /* True if the "vContSupported" feature is active. In that case, GDB + wants us to report whether single step is supported in the reply to + "vCont?" packet. */ + int vCont_supported = 0; + + /* Whether we should attempt to disable the operating system's address + space randomization feature before starting an inferior. */ + int disable_randomization = 1; + + int pass_signals[GDB_SIGNAL_LAST]; + int program_signals[GDB_SIGNAL_LAST]; + int program_signals_p = 0; + + /* Last status reported to GDB. */ + struct target_waitstatus last_status; + ptid_t last_ptid; + + char *own_buf; + + /* If true, then GDB has requested noack mode. */ + int noack_mode = 0; + /* If true, then we tell GDB to use noack mode by default. */ + int transport_is_reliable = 0; + + /* The traceframe to be used as the source of data to send back to + GDB. A value of -1 means to get data from the live program. */ + + int current_traceframe = -1; + +}; + +client_state &get_client_state (); + +#include "gdbthread.h" +#include "inferiors.h" + +#endif /* GDBSERVER_SERVER_H */ |