old-cross-binutils/gdb/gdbserver/linux-m32r-low.c
Eli Zaretskii 6f0f660e7b * linux-arm-low.c:
* linux-cris-low.c:
	* inferiors.c:
	* i387-fp.h:
	* i387-fp.c:
	* gdbreplay.c:
	* regcache.c:
	* proc-service.c:
	* mem-break.h:
	* mem-break.c:
	* linux-x86-64-low.c:
	* linux-sh-low.c:
	* linux-s390-low.c:
	* linux-ppc64-low.c:
	* linux-ppc-low.c:
	* linux-mips-low.c:
	* linux-m68k-low.c:
	* linux-m32r-low.c:
	* linux-low.h:
	* linux-low.c:
	* linux-ia64-low.c:
	* linux-i386-low.c:
	* linux-crisv32-low.c:
	* thread-db.c:
	* terminal.h:
	* target.h:
	* target.c:
	* server.h:
	* server.c:
	* remote-utils.c:
	* regcache.h:
	* utils.c:
	* Makefile.in:
	* configure.ac:
	* gdbserver.1: Add (C) after Copyright.  Update the FSF
	address.
2005-12-23 18:11:55 +00:00

99 lines
2.5 KiB
C

/* GNU/Linux/m32r specific low level interface, for the remote server for GDB.
Copyright (C) 2005 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 2 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#include "server.h"
#include "linux-low.h"
#ifdef HAVE_SYS_REG_H
#include <sys/reg.h>
#endif
#define m32r_num_regs 25
static int m32r_regmap[] = {
#ifdef PT_R0
PT_R0, PT_R1, PT_R2, PT_R3, PT_R4, PT_R5, PT_R6, PT_R7,
PT_R8, PT_R9, PT_R10, PT_R11, PT_R12, PT_FP, PT_LR, PT_SPU,
PT_PSW, PT_CBR, PT_SPI, PT_SPU, PT_BPC, PT_PC, PT_ACCL, PT_ACCH, PT_EVB
#else
4 * 4, 4 * 5, 4 * 6, 4 * 7, 4 * 0, 4 * 1, 4 * 2, 4 * 8,
4 * 9, 4 * 10, 4 * 11, 4 * 12, 4 * 13, 4 * 24, 4 * 25, 4 * 23,
4 * 19, 4 * 31, 4 * 26, 4 * 23, 4 * 20, 4 * 30, 4 * 16, 4 * 15, 4 * 32
#endif
};
static int
m32r_cannot_store_register (int regno)
{
return (regno >= m32r_num_regs);
}
static int
m32r_cannot_fetch_register (int regno)
{
return (regno >= m32r_num_regs);
}
static CORE_ADDR
m32r_get_pc ()
{
unsigned long pc;
collect_register_by_name ("pc", &pc);
return pc;
}
static void
m32r_set_pc (CORE_ADDR pc)
{
unsigned long newpc = pc;
supply_register_by_name ("pc", &newpc);
}
static const unsigned short m32r_breakpoint = 0x10f1;
#define m32r_breakpoint_len 2
static int
m32r_breakpoint_at (CORE_ADDR where)
{
unsigned short insn;
(*the_target->read_memory) (where, (unsigned char *) &insn,
m32r_breakpoint_len);
if (insn == m32r_breakpoint)
return 1;
/* If necessary, recognize more trap instructions here. GDB only uses the
one. */
return 0;
}
struct linux_target_ops the_low_target = {
m32r_num_regs,
m32r_regmap,
m32r_cannot_fetch_register,
m32r_cannot_store_register,
m32r_get_pc,
m32r_set_pc,
(const unsigned char *) &m32r_breakpoint,
m32r_breakpoint_len,
NULL,
0,
m32r_breakpoint_at,
};