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764f1408a3
2001-03-16 Frank Ch. Eigler <fche@redhat.com> Add support for mmap-based memory regions. * sim-memopt.c (mmap_next_fd): New global. (sim_memory_init): Reinitialize it. (OPTION_MEMORY_MAPFILE, memory_option_handler): Support new "--memory-mapfile FILE" option. Check for some errors. (do_memopt_add): Conditionally do mmap instead of malloc for backing store of simulated memory. Check for more errors. (do_simopt_delete, sim_memory_uninstall): Corresponding cleanup. * sim-memopt.h (munmap_length): New member of _sim_memopt. * configure.in: Look for mmap/fstat related functions and headers. * config.in, configure: Regenerated.
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/* Header file for simulator memory argument handling.
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Copyright (C) 1997 Free Software Foundation, Inc.
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Contributed by Cygnus Support.
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This file is part of GDB, the GNU debugger.
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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 2, or (at your option)
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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 along
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with this program; if not, write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef SIM_MEMOPT_H
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#define SIM_MEMOPT_H
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/* Provides a command line interface for manipulating the memory core */
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typedef struct _sim_memopt sim_memopt;
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struct _sim_memopt {
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int level;
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int space;
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unsigned_word addr;
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unsigned_word nr_bytes;
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unsigned modulo;
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void *buffer;
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unsigned long munmap_length;
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sim_memopt *alias; /* linked list */
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sim_memopt *next;
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};
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/* Install the "memopt" module. */
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SIM_RC sim_memopt_install (SIM_DESC sd);
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/* Was there a memory command? */
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#endif
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