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/* Copyright (C) 2003-2016 Free Software Foundation, Inc.
This file is part of the UPC runtime library.
Written by Gary Funck <gary@intrepid.com>
and Nenad Vukicevic <nenad@intrepid.com>
This file is part of GCC.
GCC 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, or (at your option)
any later version.
GCC 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
/*
* This file defines an interface to allow a debugger easily to
* acquire all of the UPC processes at startup time.
*
* It exploits the interface used by MPICH http://www-unix.mcs.anl.gov/mpi/mpich/
* to interface to debuggers.
*/
#ifndef _UPC_DEBUG_H_
#define _UPC_DEBUG_H_
/**************************************************************************
* These functions are our interface to the debugger.
*/
/* A little struct to hold the target processor name and pid for
* each process which forms part of the MPI program.
*
* For UPC we probably don't need the host_name or executable_name,
* but it's easier to use the existing interface than bother to leave
* them out. Provided we zero them the debugger will assume they're the
* same as the initial program.
*
* DO NOT change the name of this structure or its fields. The debugger knows
* them, and will be confused if you change them.
*/
typedef struct
{
char * host_name; /* Something we can pass to inet_addr */
char * executable_name; /* The name of the image */
int pid; /* The pid of the process */
} MPIR_PROCDESC;
/* Array of procdescs for debugging purposes */
extern MPIR_PROCDESC *MPIR_proctable;
extern int MPIR_proctable_size;
/* Various global variables which a debugger can use for
* 1) finding out what the state of the program is at
* the time the magic breakpoint is hit.
* 2) inform the process that it has been attached to and is
* now free to run.
*/
extern volatile int MPIR_debug_state;
extern volatile int MPIR_debug_gate;
extern const char * MPIR_debug_abort_string;
extern int MPIR_being_debugged; /* Cause extra info on internal state
* to be maintained
*/
/* Values for the debug_state, this seems to be all we need at the moment
* but that may change...
*/
#define MPIR_DEBUG_SPAWNED 1
#define MPIR_DEBUG_ABORTING 2
/* A function we call to tell the debugger that something worthwhile is happening.
*/
extern void MPIR_Breakpoint (void);
/*
* Other functions whose mere presence in the executable provides information to the
* debugger.
*/
extern void MPIR_i_am_starter (void);
extern void MPIR_ignore_queues (void);
extern void MPIR_force_to_main (void);
#endif /* _UPC_DEBUG_H_ */
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