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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [gdb/] [bfd-target.c] - Rev 231
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/* Very simple "bfd" target, for GDB, the GNU debugger. Copyright (C) 2003, 2005, 2007, 2008, 2009, 2010 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/>. */ #include "defs.h" #include "target.h" #include "bfd-target.h" #include "exec.h" /* The object that is stored in the target_ops->to_data field has this type. */ struct target_bfd_data { /* The BFD we're wrapping. */ struct bfd *bfd; /* The section table build from the ALLOC sections in BFD. Note that we can't rely on extracting the BFD from a random section in the table, since the table can be legitimately empty. */ struct target_section_table table; }; static LONGEST target_bfd_xfer_partial (struct target_ops *ops, enum target_object object, const char *annex, gdb_byte *readbuf, const gdb_byte *writebuf, ULONGEST offset, LONGEST len) { switch (object) { case TARGET_OBJECT_MEMORY: { struct target_bfd_data *data = ops->to_data; return section_table_xfer_memory_partial (readbuf, writebuf, offset, len, data->table.sections, data->table.sections_end, NULL); } default: return -1; } } static struct target_section_table * target_bfd_get_section_table (struct target_ops *ops) { struct target_bfd_data *data = ops->to_data; return &data->table; } static void target_bfd_xclose (struct target_ops *t, int quitting) { struct target_bfd_data *data = t->to_data; bfd_close (data->bfd); xfree (data->table.sections); xfree (data); xfree (t); } struct target_ops * target_bfd_reopen (struct bfd *bfd) { struct target_ops *t; struct target_bfd_data *data; data = XZALLOC (struct target_bfd_data); data->bfd = bfd; build_section_table (bfd, &data->table.sections, &data->table.sections_end); t = XZALLOC (struct target_ops); t->to_shortname = "bfd"; t->to_longname = _("BFD backed target"); t->to_doc = _("You should never see this"); t->to_get_section_table = target_bfd_get_section_table; t->to_xfer_partial = target_bfd_xfer_partial; t->to_xclose = target_bfd_xclose; t->to_data = data; return t; }
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