mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-24 02:24:46 +08:00
61baf725ec
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
133 lines
2.9 KiB
C
133 lines
2.9 KiB
C
/* GNU/Linux/CRIS specific low level interface, for the remote server for GDB.
|
|
Copyright (C) 1995-2017 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 "linux-low.h"
|
|
#include "nat/gdb_ptrace.h"
|
|
|
|
/* Defined in auto-generated file reg-cris.c. */
|
|
void init_registers_cris (void);
|
|
extern const struct target_desc *tdesc_cris;
|
|
|
|
/* CRISv10 */
|
|
#define cris_num_regs 32
|
|
|
|
/* Locations need to match <include/asm/arch/ptrace.h>. */
|
|
static int cris_regmap[] = {
|
|
15*4, 14*4, 13*4, 12*4,
|
|
11*4, 10*4, 9*4, 8*4,
|
|
7*4, 6*4, 5*4, 4*4,
|
|
3*4, 2*4, 23*4, 19*4,
|
|
|
|
-1, -1, -1, -1,
|
|
-1, 17*4, -1, 16*4,
|
|
-1, -1, -1, 18*4,
|
|
-1, 17*4, -1, -1
|
|
|
|
};
|
|
|
|
static int
|
|
cris_cannot_store_register (int regno)
|
|
{
|
|
if (cris_regmap[regno] == -1)
|
|
return 1;
|
|
|
|
return (regno >= cris_num_regs);
|
|
}
|
|
|
|
static int
|
|
cris_cannot_fetch_register (int regno)
|
|
{
|
|
if (cris_regmap[regno] == -1)
|
|
return 1;
|
|
|
|
return (regno >= cris_num_regs);
|
|
}
|
|
|
|
static const unsigned short cris_breakpoint = 0xe938;
|
|
#define cris_breakpoint_len 2
|
|
|
|
/* Implementation of linux_target_ops method "sw_breakpoint_from_kind". */
|
|
|
|
static const gdb_byte *
|
|
cris_sw_breakpoint_from_kind (int kind, int *size)
|
|
{
|
|
*size = cris_breakpoint_len;
|
|
return (const gdb_byte *) &cris_breakpoint;
|
|
}
|
|
|
|
static int
|
|
cris_breakpoint_at (CORE_ADDR where)
|
|
{
|
|
unsigned short insn;
|
|
|
|
(*the_target->read_memory) (where, (unsigned char *) &insn,
|
|
cris_breakpoint_len);
|
|
if (insn == cris_breakpoint)
|
|
return 1;
|
|
|
|
/* If necessary, recognize more trap instructions here. GDB only uses the
|
|
one. */
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
cris_arch_setup (void)
|
|
{
|
|
current_process ()->tdesc = tdesc_cris;
|
|
}
|
|
|
|
static struct usrregs_info cris_usrregs_info =
|
|
{
|
|
cris_num_regs,
|
|
cris_regmap,
|
|
};
|
|
|
|
static struct regs_info regs_info =
|
|
{
|
|
NULL, /* regset_bitmap */
|
|
&cris_usrregs_info,
|
|
};
|
|
|
|
static const struct regs_info *
|
|
cris_regs_info (void)
|
|
{
|
|
return ®s_info;
|
|
}
|
|
|
|
struct linux_target_ops the_low_target = {
|
|
cris_arch_setup,
|
|
cris_regs_info,
|
|
cris_cannot_fetch_register,
|
|
cris_cannot_store_register,
|
|
NULL, /* fetch_register */
|
|
linux_get_pc_32bit,
|
|
linux_set_pc_32bit,
|
|
NULL, /* breakpoint_kind_from_pc */
|
|
cris_sw_breakpoint_from_kind,
|
|
NULL, /* get_next_pcs */
|
|
0,
|
|
cris_breakpoint_at,
|
|
};
|
|
|
|
void
|
|
initialize_low_arch (void)
|
|
{
|
|
init_registers_cris ();
|
|
}
|