binutils-gdb/gdb/gdbserver/tdesc.c

66 lines
1.7 KiB
C

/* Copyright (C) 2012-2016 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 "server.h"
#include "tdesc.h"
#include "regdef.h"
void
init_target_desc (struct target_desc *tdesc)
{
int offset, i;
offset = 0;
for (i = 0; i < tdesc->num_registers; i++)
{
tdesc->reg_defs[i].offset = offset;
offset += tdesc->reg_defs[i].size;
}
tdesc->registers_size = offset / 8;
/* Make sure PBUFSIZ is large enough to hold a full register
packet. */
gdb_assert (2 * tdesc->registers_size + 32 <= PBUFSIZ);
}
#ifndef IN_PROCESS_AGENT
static const struct target_desc default_description = { 0 };
void
copy_target_description (struct target_desc *dest,
const struct target_desc *src)
{
dest->reg_defs = src->reg_defs;
dest->num_registers = src->num_registers;
dest->expedite_regs = src->expedite_regs;
dest->registers_size = src->registers_size;
dest->xmltarget = src->xmltarget;
}
const struct target_desc *
current_target_desc (void)
{
if (current_thread == NULL)
return &default_description;
return current_process ()->tdesc;
}
#endif