/* Remote debugging interface for Densan DVE-R3900 ROM monitor for
GDB, the GNU debugger.
- Copyright 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
This file is part of GDB.
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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "gdbcore.h"
#include "command.h"
#include "gdb_string.h"
#include <time.h>
+#include "regcache.h"
+#include "mips-tdep.h"
/* Type of function passed to bfd_map_over_sections. */
-typedef void (*section_map_func) (bfd * abfd, asection * sect, PTR obj);
+typedef void (*section_map_func) (bfd * abfd, asection * sect, void *obj);
/* Packet escape character used by Densan monitor. */
different names than GDB does, and don't support all the registers
either. */
-static char *r3900_regnames[NUM_REGS] =
+static char *r3900_regnames[] =
{
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
"S", /* PS_REGNUM */
- "l", /* LO_REGNUM */
- "h", /* HI_REGNUM */
- "B", /* BADVADDR_REGNUM */
- "Pcause", /* CAUSE_REGNUM */
- "p" /* PC_REGNUM */
+ "l", /* MIPS_EMBED_LO_REGNUM */
+ "h", /* MIPS_EMBED_HI_REGNUM */
+ "B", /* MIPS_EMBED_BADVADDR_REGNUM */
+ "Pcause", /* MIPS_EMBED_CAUSE_REGNUM */
+ "p" /* MIPS_EMBED_PC_REGNUM */
};
}
,
{
- "HI", HI_REGNUM
+ "HI", MIPS_EMBED_HI_REGNUM
}
,
{
- "LO", LO_REGNUM
+ "LO", MIPS_EMBED_LO_REGNUM
}
,
{
- "PC", PC_REGNUM
+ "PC", MIPS_EMBED_PC_REGNUM
}
,
{
- "BadV", BADVADDR_REGNUM
+ "BadV", MIPS_EMBED_BADVADDR_REGNUM
}
,
{
the hex value before passing it to monitor_supply_register. */
static void
-r3900_supply_register (regname, regnamelen, val, vallen)
- char *regname;
- int regnamelen;
- char *val;
- int vallen;
+r3900_supply_register (char *regname, int regnamelen, char *val, int vallen)
{
int regno = -1;
int i;
you modify it. */
static void
-fetch_bad_vaddr ()
+fetch_bad_vaddr (void)
{
char buf[20];
monitor_printf ("xB\r");
monitor_expect ("BadV=", NULL, 0);
monitor_expect_prompt (buf, sizeof (buf));
- monitor_supply_register (BADVADDR_REGNUM, buf);
+ monitor_supply_register (mips_regnum (current_gdbarch)->badvaddr, buf);
}
combined binary value. */
static unsigned long
-fetch_fields (bf)
- struct bit_field *bf;
+fetch_fields (struct bit_field *bf)
{
char buf[20];
unsigned long val = 0;
static void
-fetch_bitmapped_register (regno, bf)
- int regno;
- struct bit_field *bf;
+fetch_bitmapped_register (int regno, struct bit_field *bf)
{
unsigned long val;
- unsigned char regbuf[MAX_REGISTER_RAW_SIZE];
+ unsigned char regbuf[MAX_REGISTER_SIZE];
+ char *regname = NULL;
- monitor_printf ("x%s\r", r3900_regnames[regno]);
+ if (regno >= sizeof (r3900_regnames) / sizeof (r3900_regnames[0]))
+ internal_error (__FILE__, __LINE__,
+ _("fetch_bitmapped_register: regno out of bounds"));
+ else
+ regname = r3900_regnames[regno];
+
+ monitor_printf ("x%s\r", regname);
val = fetch_fields (bf);
monitor_printf (".\r");
monitor_expect_prompt (NULL, 0);
/* supply register stores in target byte order, so swap here */
- store_unsigned_integer (regbuf, REGISTER_RAW_SIZE (regno), val);
- supply_register (regno, regbuf);
+ store_unsigned_integer (regbuf, register_size (current_gdbarch, regno), val);
+ regcache_raw_supply (current_regcache, regno, regbuf);
}
a very unusual fashion by the monitor, and must be handled specially. */
static void
-r3900_fetch_registers (regno)
- int regno;
+r3900_fetch_registers (int regno)
{
- switch (regno)
- {
- case BADVADDR_REGNUM:
- fetch_bad_vaddr ();
- return;
- case PS_REGNUM:
- fetch_bitmapped_register (PS_REGNUM, status_fields);
- return;
- case CAUSE_REGNUM:
- fetch_bitmapped_register (CAUSE_REGNUM, cause_fields);
- return;
- default:
- orig_monitor_fetch_registers (regno);
- }
+ if (regno == mips_regnum (current_gdbarch)->badvaddr)
+ fetch_bad_vaddr ();
+ else if (regno == PS_REGNUM)
+ fetch_bitmapped_register (PS_REGNUM, status_fields);
+ else if (regno == mips_regnum (current_gdbarch)->cause)
+ fetch_bitmapped_register (mips_regnum (current_gdbarch)->cause,
+ cause_fields);
+ else
+ orig_monitor_fetch_registers (regno);
}
/* Write the new value of the bitmapped register to the monitor. */
static void
-store_bitmapped_register (regno, bf)
- int regno;
- struct bit_field *bf;
+store_bitmapped_register (int regno, struct bit_field *bf)
{
unsigned long oldval, newval;
+ char *regname = NULL;
+
+ if (regno >= sizeof (r3900_regnames) / sizeof (r3900_regnames[0]))
+ internal_error (__FILE__, __LINE__,
+ _("fetch_bitmapped_register: regno out of bounds"));
+ else
+ regname = r3900_regnames[regno];
/* Fetch the current value of the register. */
- monitor_printf ("x%s\r", r3900_regnames[regno]);
+ monitor_printf ("x%s\r", regname);
oldval = fetch_fields (bf);
newval = read_register (regno);
static void
-r3900_store_registers (regno)
- int regno;
+r3900_store_registers (int regno)
{
- switch (regno)
- {
- case PS_REGNUM:
- store_bitmapped_register (PS_REGNUM, status_fields);
- return;
- case CAUSE_REGNUM:
- store_bitmapped_register (CAUSE_REGNUM, cause_fields);
- return;
- default:
- orig_monitor_store_registers (regno);
- }
+ if (regno == PS_REGNUM)
+ store_bitmapped_register (PS_REGNUM, status_fields);
+ else if (regno == mips_regnum (current_gdbarch)->cause)
+ store_bitmapped_register (mips_regnum (current_gdbarch)->cause,
+ cause_fields);
+ else
+ orig_monitor_store_registers (regno);
}
/* Write a 4-byte integer to the buffer in big-endian order. */
static void
-write_long (buf, n)
- char *buf;
- long n;
+write_long (char *buf, long n)
{
buf[0] = (n >> 24) & 0xff;
buf[1] = (n >> 16) & 0xff;
/* Write a 4-byte integer to the buffer in little-endian order. */
static void
-write_long_le (buf, n)
- char *buf;
- long n;
+write_long_le (char *buf, long n)
{
buf[0] = n & 0xff;
buf[1] = (n >> 8) & 0xff;
character in hexadecimal; otherwise, print it in ASCII. */
static int
-debug_readchar (hex)
- int hex;
+debug_readchar (int hex)
{
char buf[10];
int c = monitor_readchar ();
print the sent buffer in hex. */
static void
-debug_write (buf, buflen)
- unsigned char *buf;
- int buflen;
+debug_write (unsigned char *buf, int buflen)
{
char s[10];
*/
static void
-ignore_packet ()
+ignore_packet (void)
{
- int c;
+ int c = -1;
int len;
/* Ignore lots of trash (messages about section addresses, for example)
break;
}
if (len == 8)
- error ("Packet header byte not found; %02x seen instead.", c);
+ error (_("Packet header byte not found; %02x seen instead."), c);
/* Read the packet type and length. */
c = debug_readchar (1); /* type */
*/
static void
-send_packet (type, buf, buflen, seq)
- char type;
- unsigned char *buf;
- int buflen, seq;
+send_packet (char type, unsigned char *buf, int buflen, int seq)
{
unsigned char hdr[4];
int len = buflen;
*/
static void
-process_read_request (buf, buflen)
- unsigned char *buf;
- int buflen;
+process_read_request (unsigned char *buf, int buflen)
{
unsigned char len[4];
int i, chunk;
/* Count loadable sections (helper function for r3900_load). */
static void
-count_section (abfd, s, section_count)
- bfd *abfd;
- asection *s;
- unsigned int *section_count;
+count_section (bfd *abfd, asection *s, unsigned int *section_count)
{
if (s->flags & SEC_LOAD && bfd_section_size (abfd, s) != 0)
(*section_count)++;
*/
static void
-load_section (abfd, s, data_count)
- bfd *abfd;
- asection *s;
- unsigned int *data_count;
+load_section (bfd *abfd, asection *s, unsigned int *data_count)
{
if (s->flags & SEC_LOAD)
{
/* Print some fluff about the section being loaded. */
printf_filtered ("Loading section %s, size 0x%lx lma ",
bfd_section_name (abfd, s), (long) section_size);
- print_address_numeric (section_base, 1, gdb_stdout);
+ deprecated_print_address_numeric (section_base, 1, gdb_stdout);
printf_filtered ("\n");
gdb_flush (gdb_stdout);
buffer = (unsigned char *) xmalloc (section_size);
bfd_get_section_contents (abfd, s, buffer, 0, section_size);
process_read_request (buffer, section_size);
- free (buffer);
+ xfree (buffer);
}
}
*/
static void
-r3900_load (filename, from_tty)
- char *filename;
- int from_tty;
+r3900_load (char *filename, int from_tty)
{
bfd *abfd;
unsigned int data_count = 0;
filename = get_exec_file (1);
abfd = bfd_openr (filename, 0);
if (!abfd)
- error ("Unable to open file %s\n", filename);
+ error (_("Unable to open file %s."), filename);
if (bfd_check_format (abfd, bfd_object) == 0)
- error ("File is not an object file\n");
+ error (_("File is not an object file."));
/* Output the "vconsi" command to get the monitor in the communication
state where it will accept a load command. This will cause
if (exec_bfd)
write_pc (bfd_get_start_address (exec_bfd));
- inferior_pid = 0; /* No process now */
+ inferior_ptid = null_ptid; /* No process now */
/* This is necessary because many things were based on the PC at the
time that we attached to the monitor, which is no longer valid
static struct monitor_ops r3900_cmds;
static void
-r3900_open (args, from_tty)
- char *args;
- int from_tty;
+r3900_open (char *args, int from_tty)
{
char buf[64];
int i;
}
void
-_initialize_r3900_rom ()
+_initialize_r3900_rom (void)
{
r3900_cmds.flags = MO_NO_ECHO_ON_OPEN |
MO_ADDR_BITS_REMOVE |
projects / deliverable / binutils-gdb.git / blobdiff