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a7e559cc08
All debug output needs to go via debug functions to ensure it writes to the correct output stream. gdb/ChangeLog: * nat/linux-waitpid.c (linux_debug): Call debug_vprintf. gdb/gdbserver/ChangeLog: * ax.c (ax_vdebug): Call debug_printf. * debug.c (debug_write): New function. * debug.h (debug_write): New declaration. * linux-low.c (sigchld_handler): Call debug_write.
60 lines
2.1 KiB
C
60 lines
2.1 KiB
C
/* Debugging routines for the remote server for GDB.
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Copyright (C) 2014-2019 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef GDBSERVER_DEBUG_H
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#define GDBSERVER_DEBUG_H
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#if !defined (IN_PROCESS_AGENT)
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extern int remote_debug;
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/* Switch all debug output to DEBUG_FILE. If DEBUG_FILE is nullptr or an
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empty string, or if the file cannot be opened, then debug output is sent to
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stderr. */
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void debug_set_output (const char *debug_file);
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#endif
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extern int debug_threads;
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extern int debug_timestamp;
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void debug_flush (void);
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void do_debug_enter (const char *function_name);
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void do_debug_exit (const char *function_name);
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/* Async signal safe debug output function that calls write directly. */
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size_t debug_write (const void *buf, size_t nbyte);
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/* These macros are for use in major functions that produce a lot of
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debugging output. They help identify in the mass of debugging output
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when these functions enter and exit. debug_enter is intended to be
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called at the start of a function, before any other debugging output.
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debug_exit is intended to be called at the end of the same function,
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after all debugging output. */
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#ifdef FUNCTION_NAME
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#define debug_enter() \
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do { do_debug_enter (FUNCTION_NAME); } while (0)
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#define debug_exit() \
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do { do_debug_exit (FUNCTION_NAME); } while (0)
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#else
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#define debug_enter() \
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do { } while (0)
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#define debug_exit() \
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do { } while (0)
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#endif
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#endif /* GDBSERVER_DEBUG_H */
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