/* Remote debugging interface for MIPS remote debugging protocol.
- Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
- 2003, 2004, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1993-2013 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by Ian Lance Taylor
<ian@cygnus.com>.
#include "exceptions.h"
#include "gdb_string.h"
#include "gdb_stat.h"
+#include "gdb_usleep.h"
#include "regcache.h"
#include <ctype.h>
#include "mips-tdep.h"
#include "gdbthread.h"
+#include "gdb_bfd.h"
\f
/* Breakpoint types. Values 0, 1, and 2 must agree with the watch
/* IDT/SIM monitor being used: */
MON_IDT,
/* PMON monitor being used: */
- MON_PMON, /* 3.0.83 [COGENT,EB,FP,NET] Algorithmics Ltd. Nov 9 1995 17:19:50 */
- MON_DDB, /* 2.7.473 [DDBVR4300,EL,FP,NET] Risq Modular Systems, Thu Jun 6 09:28:40 PDT 1996 */
- MON_LSI, /* 4.3.12 [EB,FP], LSI LOGIC Corp. Tue Feb 25 13:22:14 1997 */
+ MON_PMON, /* 3.0.83 [COGENT,EB,FP,NET]
+ Algorithmics Ltd. Nov 9 1995 17:19:50 */
+ MON_DDB, /* 2.7.473 [DDBVR4300,EL,FP,NET]
+ Risq Modular Systems,
+ Thu Jun 6 09:28:40 PDT 1996 */
+ MON_LSI, /* 4.3.12 [EB,FP],
+ LSI LOGIC Corp. Tue Feb 25 13:22:14 1997 */
MON_ROCKHOPPER,
- /* Last and unused value, for sizing vectors, etc. */
+ /* Last and unused value, for sizing vectors, etc. */
MON_LAST
};
static enum mips_monitor_type mips_monitor = MON_LAST;
/* Set to 1 if the target is open. */
static int mips_is_open;
-/* Currently active target description (if mips_is_open == 1) */
+/* Currently active target description (if mips_is_open == 1). */
static struct target_ops *current_ops;
/* Set to 1 while the connection is being initialized. */
via ^C. */
static int interrupt_count;
-/* If non-zero, means that the target is running. */
+/* If non-zero, means that the target is running. */
static int mips_wait_flag = 0;
-/* If non-zero, monitor supports breakpoint commands. */
+/* If non-zero, monitor supports breakpoint commands. */
static int monitor_supports_breakpoints = 0;
/* Data cache header. */
-#if 0 /* not used (yet?) */
+#if 0 /* not used (yet?) */
static DCACHE *mips_dcache;
#endif
-/* Non-zero means that we've just hit a read or write watchpoint */
+/* Non-zero means that we've just hit a read or write watchpoint. */
static int hit_watchpoint;
/* Table of breakpoints/watchpoints (used only on LSI PMON target).
The table is indexed by a breakpoint number, which is an integer
- from 0 to 255 returned by the LSI PMON when a breakpoint is set.
- */
+ from 0 to 255 returned by the LSI PMON when a breakpoint is set. */
+
#define MAX_LSI_BREAKPOINTS 256
struct lsi_breakpoint_info
{
/* Error/warning codes returned by LSI PMON for breakpoint commands.
Warning values may be ORed together; error values may not. */
-#define W_WARN 0x100 /* This bit is set if the error code is a warning */
-#define W_MSK 0x101 /* warning: Range feature is supported via mask */
-#define W_VAL 0x102 /* warning: Value check is not supported in hardware */
-#define W_QAL 0x104 /* warning: Requested qualifiers are not supported in hardware */
-
-#define E_ERR 0x200 /* This bit is set if the error code is an error */
+#define W_WARN 0x100 /* This bit is set if the error code
+ is a warning */
+#define W_MSK 0x101 /* warning: Range feature is supported
+ via mask */
+#define W_VAL 0x102 /* warning: Value check is not
+ supported in hardware */
+#define W_QAL 0x104 /* warning: Requested qualifiers are
+ not supported in hardware */
+
+#define E_ERR 0x200 /* This bit is set if the error code
+ is an error */
#define E_BPT 0x200 /* error: No such breakpoint number */
#define E_RGE 0x201 /* error: Range is not supported */
-#define E_QAL 0x202 /* error: The requested qualifiers can not be used */
+#define E_QAL 0x202 /* error: The requested qualifiers can
+ not be used */
#define E_OUT 0x203 /* error: Out of hardware resources */
#define E_NON 0x204 /* error: Hardware breakpoint not supported */
va_start (args, string);
target_terminal_ours ();
- wrap_here (""); /* Force out any buffered output */
+ wrap_here (""); /* Force out any buffered output. */
gdb_flush (gdb_stdout);
if (error_pre_print)
fputs_filtered (error_pre_print, gdb_stderr);
/* Wait until STRING shows up in mips_desc. Returns 1 if successful, else 0 if
- timed out. TIMEOUT specifies timeout value in seconds.
- */
+ timed out. TIMEOUT specifies timeout value in seconds. */
static int
mips_expect_timeout (const char *string, int timeout)
}
immediate_quit++;
+ QUIT;
while (1)
{
int c;
/* Must use serial_readchar() here cuz mips_readchar would get
- confused if we were waiting for the mips_monitor_prompt... */
+ confused if we were waiting for the mips_monitor_prompt... */
c = serial_readchar (mips_desc, timeout);
/* Wait until STRING shows up in mips_desc. Returns 1 if successful, else 0 if
timed out. The timeout value is hard-coded to 2 seconds. Use
- mips_expect_timeout if a different timeout value is needed.
- */
+ mips_expect_timeout if a different timeout value is needed. */
static int
mips_expect (const char *string)
static int state = 0;
int mips_monitor_prompt_len = strlen (mips_monitor_prompt);
- { /* FIXME this whole block is dead code! */
+ { /* FIXME this whole block is dead code! */
int i;
i = timeout;
timeout = 1;
ch = serial_readchar (mips_desc, timeout);
- if (ch == SERIAL_TIMEOUT && timeout == -1) /* Watchdog went off */
+ if (ch == SERIAL_TIMEOUT && timeout == -1) /* Watchdog went off. */
{
target_mourn_inferior ();
- error ("Watchdog has expired. Target detached.\n");
+ error (_("Watchdog has expired. Target detached."));
}
if (ch == SERIAL_EOF)
- mips_error ("End of file from remote");
+ mips_error (_("End of file from remote"));
if (ch == SERIAL_ERROR)
- mips_error ("Error reading from remote: %s", safe_strerror (errno));
+ mips_error (_("Error reading from remote: %s"), safe_strerror (errno));
if (remote_debug > 1)
{
/* Don't use _filtered; we can't deal with a QUIT out of
if (remote_debug > 0)
/* Don't use _filtered; we can't deal with a QUIT out of
target_wait, and I think this might be called from there. */
- fprintf_unfiltered (gdb_stdlog, "Reinitializing MIPS debugging mode\n");
+ fprintf_unfiltered (gdb_stdlog,
+ "Reinitializing MIPS debugging mode\n");
mips_need_reply = 0;
mips_initialize ();
state = 0;
/* At this point, about the only thing we can do is abort the command
- in progress and get back to command level as quickly as possible. */
+ in progress and get back to command level as quickly as possible. */
- error ("Remote board reset, debug protocol re-initialized.");
+ error (_("Remote board reset, debug protocol re-initialized."));
}
if (ch == mips_monitor_prompt[state])
what the program is outputting, if the debugging is
being done on the console port. Don't use _filtered:
we can't deal with a QUIT out of target_wait and
- buffered target output confuses the user. */
+ buffered target output confuses the user. */
if (!mips_initializing || remote_debug > 0)
{
if (isprint (ch) || isspace (ch))
gdb_flush (gdb_stdtarg);
}
- /* Only count unprintable characters. */
+ /* Only count unprintable characters. */
if (! (isprint (ch) || isspace (ch)))
(*pgarbage) += 1;
if (mips_syn_garbage > 0
&& *pgarbage > mips_syn_garbage)
- mips_error ("Debug protocol failure: more than %d characters before a sync.",
+ mips_error (_("Debug protocol failure: more "
+ "than %d characters before a sync."),
mips_syn_garbage);
}
}
for success, -1 for timeout, -2 for error. */
static int
-mips_receive_trailer (unsigned char *trlr, int *pgarbage, int *pch, int timeout)
+mips_receive_trailer (unsigned char *trlr, int *pgarbage,
+ int *pch, int timeout)
{
int i;
int ch;
len = strlen (s);
if (len > DATA_MAXLEN)
- mips_error ("MIPS protocol data packet too long: %s", s);
+ mips_error (_("MIPS protocol data packet too long: %s"), s);
packet = (unsigned char *) alloca (HDR_LENGTH + len + TRLR_LENGTH + 1);
if (serial_write (mips_desc, packet,
HDR_LENGTH + len + TRLR_LENGTH) != 0)
- mips_error ("write to target failed: %s", safe_strerror (errno));
+ mips_error (_("write to target failed: %s"), safe_strerror (errno));
if (!get_ack)
return;
int i;
/* Ignore any errors raised whilst attempting to ignore
- packet. */
+ packet. */
len = HDR_GET_LEN (hdr);
}
if (rch == SERIAL_TIMEOUT)
break;
- /* ignore the character */
+ /* Ignore the character. */
}
if (i == len)
remote_timeout);
/* We don't bother checking the checksum, or providing an
- ACK to the packet. */
+ ACK to the packet. */
continue;
}
}
}
- mips_error ("Remote did not acknowledge packet");
+ mips_error (_("Remote did not acknowledge packet"));
}
/* Receive and acknowledge a packet, returning the data in BUFF (which
if (mips_receive_header (hdr, &garbage, ch, timeout) != 0)
{
if (throw_error)
- mips_error ("Timed out waiting for remote packet");
+ mips_error (_("Timed out waiting for remote packet"));
else
return -1;
}
if (len == 0)
{
/* Ignore the error condition, since we are going to
- ignore the packet anyway. */
+ ignore the packet anyway. */
(void) mips_receive_trailer (trlr, &garbage, &ch, timeout);
}
/* Don't use _filtered; we can't deal with a QUIT out of
if (rch == SERIAL_TIMEOUT)
{
if (throw_error)
- mips_error ("Timed out waiting for remote packet");
+ mips_error (_("Timed out waiting for remote packet"));
else
return -1;
}
if (err == -1)
{
if (throw_error)
- mips_error ("Timed out waiting for packet");
+ mips_error (_("Timed out waiting for packet"));
else
return -1;
}
if (serial_write (mips_desc, ack, HDR_LENGTH + TRLR_LENGTH) != 0)
{
if (throw_error)
- mips_error ("write to target failed: %s", safe_strerror (errno));
+ mips_error (_("write to target failed: %s"),
+ safe_strerror (errno));
else
return -1;
}
if (serial_write (mips_desc, ack, HDR_LENGTH + TRLR_LENGTH) != 0)
{
if (throw_error)
- mips_error ("write to target failed: %s", safe_strerror (errno));
+ mips_error (_("write to target failed: %s"), safe_strerror (errno));
else
return -1;
}
int timeout,
char *buff)
{
- int addr_size = gdbarch_addr_bit (target_gdbarch) / 8;
+ int addr_size = gdbarch_addr_bit (target_gdbarch ()) / 8;
char myBuff[DATA_MAXLEN + 1];
char response_string[17];
int len;
{
if (mips_need_reply)
internal_error (__FILE__, __LINE__,
- _("mips_request: Trying to send command before reply"));
+ _("mips_request: Trying to send "
+ "command before reply"));
/* 'T' sets a register to a 64-bit value, so make sure we use
the right conversion function. */
if (cmd == 'T')
&rpid, &rcmd, &rerrflg, response_string) != 4
|| !read_hex_value (response_string, &rresponse)
|| (cmd != '\0' && rcmd != cmd))
- mips_error ("Bad response from remote board");
+ mips_error (_("Bad response from remote board"));
if (rerrflg != 0)
{
if (mips_monitor != MON_IDT)
mips_send_command ("debug\r", 0);
- else /* assume IDT monitor by default */
+ else /* Assume IDT monitor by default. */
mips_send_command ("db tty0\r", 0);
- sleep (1);
+ gdb_usleep (1000000);
serial_write (mips_desc, "\r", sizeof "\r" - 1);
/* We don't need to absorb any spurious characters here, since the
mips_receive_header will eat up a reasonable number of characters
whilst looking for the SYN, however this avoids the "garbage"
- being displayed to the user. */
+ being displayed to the user. */
if (mips_monitor != MON_IDT)
mips_expect ("\r");
char buff[DATA_MAXLEN + 1];
if (mips_receive_packet (buff, 1, 3) < 0)
- mips_error ("Failed to initialize (didn't receive packet).");
+ mips_error (_("Failed to initialize (didn't receive packet)."));
}
}
if (mips_initializing)
{
- warning ("internal error: mips_initialize called twice");
+ warning (_("internal error: mips_initialize called twice"));
return;
}
/* Force the system into the monitor. After this we *should* be at
the mips_monitor_prompt. */
if (mips_monitor != MON_IDT)
- j = 0; /* start by checking if we are already at the prompt */
+ j = 0; /* Start by checking if we are already
+ at the prompt. */
else
- j = 1; /* start by sending a break */
+ j = 1; /* Start by sending a break. */
for (; j <= 4; j++)
{
switch (j)
{
- case 0: /* First, try sending a CR */
+ case 0: /* First, try sending a CR. */
serial_flush_input (mips_desc);
serial_write (mips_desc, "\r", 1);
break;
- case 1: /* First, try sending a break */
+ case 1: /* First, try sending a break. */
serial_send_break (mips_desc);
break;
- case 2: /* Then, try a ^C */
+ case 2: /* Then, try a ^C. */
serial_write (mips_desc, "\003", 1);
break;
- case 3: /* Then, try escaping from download */
+ case 3: /* Then, try escaping from download. */
{
if (mips_monitor != MON_IDT)
{
/* We shouldn't need to send multiple termination
sequences, since the target performs line (or
block) reads, and then processes those
- packets. In-case we were downloading a large packet
+ packets. In-case we were downloading a large packet
we flush the output buffer before inserting a
- termination sequence. */
+ termination sequence. */
serial_flush_output (mips_desc);
sprintf (tbuff, "\r/E/E\r");
serial_write (mips_desc, tbuff, 6);
out is to send enough termination packets (8 bytes)
to fill up and then overflow the largest size
S-record (255 bytes in this case). This amounts to
- 256/8 + 1 packets.
- */
+ 256/8 + 1 packets. */
mips_make_srec (srec, '7', 0, NULL, 0);
if (serial_readchar (mips_desc, 0) >= 0)
break; /* Break immediatly if we get something from
- the board. */
+ the board. */
}
}
}
break;
case 4:
- mips_error ("Failed to initialize.");
+ mips_error (_("Failed to initialize."));
}
if (mips_expect (mips_monitor_prompt))
/* Delete all the current breakpoints: */
mips_send_command ("db *\r", -1);
/* NOTE: PMON does not have breakpoint support through the
- "debug" mode, only at the monitor command-line. */
+ "debug" mode, only at the monitor command-line. */
}
mips_enter_debug ();
enum mips_monitor_type new_monitor,
const char *new_monitor_prompt)
{
- char *ptype;
char *serial_port_name;
char *remote_name = 0;
char *local_name = 0;
char **argv;
if (name == 0)
- error (
- "To open a MIPS remote debugging connection, you need to specify what serial\n\
-device is attached to the target board (e.g., /dev/ttya).\n"
- "If you want to use TFTP to download to the board, specify the name of a\n"
- "temporary file to be used by GDB for downloads as the second argument.\n"
- "This filename must be in the form host:filename, where host is the name\n"
- "of the host running the TFTP server, and the file must be readable by the\n"
- "world. If the local name of the temporary file differs from the name as\n"
- "seen from the board via TFTP, specify that name as the third parameter.\n");
+ error (_("\
+To open a MIPS remote debugging connection, you need to specify what\n\
+serial device is attached to the target board (e.g., /dev/ttya).\n\
+If you want to use TFTP to download to the board, specify the name of a\n\
+temporary file to be used by GDB for downloads as the second argument.\n\
+This filename must be in the form host:filename, where host is the name\n\
+of the host running the TFTP server, and the file must be readable by the\n\
+world. If the local name of the temporary file differs from the name as\n\
+seen from the board via TFTP, specify that name as the third parameter.\n"));
/* Parse the serial port name, the optional TFTP name, and the
optional local TFTP name. */
make_cleanup_freeargv (argv);
serial_port_name = xstrdup (argv[0]);
- if (argv[1]) /* remote TFTP name specified? */
+ if (argv[1]) /* Remote TFTP name specified? */
{
remote_name = argv[1];
- if (argv[2]) /* local TFTP filename specified? */
+ if (argv[2]) /* Local TFTP filename specified? */
local_name = argv[2];
}
{
udp_desc = serial_open (remote_name);
if (!udp_desc)
- perror_with_name ("Unable to open UDP port");
+ perror_with_name (_("Unable to open UDP port"));
udp_in_use = 1;
}
else
xfree (tftp_localname);
if (local_name == NULL)
if ((local_name = strchr (remote_name, ':')) != NULL)
- local_name++; /* skip over the colon */
+ local_name++; /* Skip over the colon. */
if (local_name == NULL)
- local_name = remote_name; /* local name same as remote name */
+ local_name = remote_name; /* Local name same as remote name. */
tftp_name = xstrdup (remote_name);
tftp_localname = xstrdup (local_name);
tftp_in_use = 1;
mips_open (char *name, int from_tty)
{
const char *monitor_prompt = NULL;
- if (gdbarch_bfd_arch_info (target_gdbarch) != NULL
- && gdbarch_bfd_arch_info (target_gdbarch)->arch == bfd_arch_mips)
+ if (gdbarch_bfd_arch_info (target_gdbarch ()) != NULL
+ && gdbarch_bfd_arch_info (target_gdbarch ())->arch == bfd_arch_mips)
{
- switch (gdbarch_bfd_arch_info (target_gdbarch)->mach)
+ switch (gdbarch_bfd_arch_info (target_gdbarch ())->mach)
{
case bfd_mach_mips4100:
case bfd_mach_mips4300:
mips_detach (struct target_ops *ops, char *args, int from_tty)
{
if (args)
- error ("Argument given to \"detach\" when remotely debugging.");
+ error (_("Argument given to \"detach\" when remotely debugging."));
pop_target ();
static void
mips_resume (struct target_ops *ops,
- ptid_t ptid, int step, enum target_signal siggnal)
+ ptid_t ptid, int step, enum gdb_signal siggnal)
{
int err;
/* Return the signal corresponding to SIG, where SIG is the number which
the MIPS protocol uses for the signal. */
-static enum target_signal
+static enum gdb_signal
mips_signal_from_protocol (int sig)
{
/* We allow a few more signals than the IDT board actually returns, on
for these signals is widely agreed upon. */
if (sig <= 0
|| sig > 31)
- return TARGET_SIGNAL_UNKNOWN;
+ return GDB_SIGNAL_UNKNOWN;
- /* Don't want to use target_signal_from_host because we are converting
+ /* Don't want to use gdb_signal_from_host because we are converting
from MIPS signal numbers, not host ones. Our internal numbers
match the MIPS numbers for the signals the board can return, which
are: SIGINT, SIGSEGV, SIGBUS, SIGILL, SIGFPE, SIGTRAP. */
- return (enum target_signal) sig;
+ return (enum gdb_signal) sig;
}
/* Set the register designated by REGNO to the value designated by VALUE. */
ULONGEST rpc, rfp, rsp;
char pc_string[17], fp_string[17], sp_string[17], flags[20];
int nfields;
- int i;
interrupt_count = 0;
hit_watchpoint = 0;
if (!mips_need_reply)
{
status->kind = TARGET_WAITKIND_STOPPED;
- status->value.sig = TARGET_SIGNAL_TRAP;
+ status->value.sig = GDB_SIGNAL_TRAP;
return inferior_ptid;
}
rstatus = mips_request ('\000', 0, 0, &err, -1, buff);
mips_wait_flag = 0;
if (err)
- mips_error ("Remote failure: %s", safe_strerror (errno));
+ mips_error (_("Remote failure: %s"), safe_strerror (errno));
/* On returning from a continue, the PMON monitor seems to start
echoing back the messages we send prior to sending back the
- ACK. The code can cope with this, but to try and avoid the
+ ACK. The code can cope with this, but to try and avoid the
unnecessary serial traffic, and "spurious" characters displayed
- to the user, we cheat and reset the debug protocol. The problems
+ to the user, we cheat and reset the debug protocol. The problems
seems to be caused by a check on the number of arguments, and the
command length, within the monitor causing it to echo the command
- as a bad packet. */
+ as a bad packet. */
if (mips_monitor == MON_PMON)
{
mips_exit_debug ();
mips_enter_debug ();
}
- /* See if we got back extended status. If so, pick out the pc, fp, sp, etc... */
+ /* See if we got back extended status. If so, pick out the pc, fp,
+ sp, etc... */
- nfields = sscanf (buff, "0x%*x %*c 0x%*x 0x%*x 0x%16s 0x%16s 0x%16s 0x%*x %s",
+ nfields = sscanf (buff,
+ "0x%*x %*c 0x%*x 0x%*x 0x%16s 0x%16s 0x%16s 0x%*x %s",
pc_string, fp_string, sp_string, flags);
if (nfields >= 3
&& read_hex_value (pc_string, &rpc)
if (strcmp (target_shortname, "lsi") == 0)
{
#if 0
- /* If this is an LSI PMON target, see if we just hit a hardrdware watchpoint.
- Right now, PMON doesn't give us enough information to determine which
- breakpoint we hit. So we have to look up the PC in our own table
- of breakpoints, and if found, assume it's just a normal instruction
- fetch breakpoint, not a data watchpoint. FIXME when PMON
- provides some way to tell us what type of breakpoint it is. */
+ /* If this is an LSI PMON target, see if we just hit a
+ hardrdware watchpoint. Right now, PMON doesn't give us
+ enough information to determine which breakpoint we hit. So
+ we have to look up the PC in our own table of breakpoints,
+ and if found, assume it's just a normal instruction fetch
+ breakpoint, not a data watchpoint. FIXME when PMON provides
+ some way to tell us what type of breakpoint it is. */
int i;
CORE_ADDR pc = regcache_read_pc (get_current_regcache ());
is not a normal breakpoint. */
if (strcmp (target_shortname, "lsi") == 0)
{
- char *func_name;
+ const char *func_name;
CORE_ADDR func_start;
CORE_ADDR pc = regcache_read_pc (get_current_regcache ());
else
{
/* Unfortunately the PMON version in the Vr4300 board has been
- compiled without the 64bit register access commands. This
- means we cannot get hold of the full register width. */
+ compiled without the 64bit register access commands. This
+ means we cannot get hold of the full register width. */
if (mips_monitor == MON_DDB || mips_monitor == MON_ROCKHOPPER)
val = mips_request ('t', pmon_reg, 0,
&err, mips_receive_wait, NULL);
val = mips_request ('r', pmon_reg, 0,
&err, mips_receive_wait, NULL);
if (err)
- mips_error ("Can't read register %d: %s", regno,
+ mips_error (_("Can't read register %d: %s"), regno,
safe_strerror (errno));
}
}
val,
&err, mips_receive_wait, NULL);
if (err)
- mips_error ("Can't write register %d: %s", regno, safe_strerror (errno));
+ mips_error (_("Can't write register %d: %s"), regno,
+ safe_strerror (errno));
}
/* Fetch a word from the target board. Return word fetched in location
success. If OLD_CONTENTS is non-NULL, put the old contents of that
memory location there. */
-/* FIXME! make sure only 32-bit quantities get stored! */
+/* FIXME! make sure only 32-bit quantities get stored! */
static int
mips_store_word (CORE_ADDR addr, unsigned int val, int *old_contents)
{
mips_xfer_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len, int write,
struct mem_attrib *attrib, struct target_ops *target)
{
- enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
int i;
CORE_ADDR addr;
int count;
int status;
/* PMON targets do not cope well with 64 bit addresses. Mask the
- value down to 32 bits. */
+ value down to 32 bits. */
if (mask_address_p)
memaddr &= (CORE_ADDR) 0xffffffff;
if (mips_fetch_word (addr + (count - 1) * 4, &val))
return 0;
- store_unsigned_integer (&buffer[(count - 1) * 4], 4, byte_order, val);
+ store_unsigned_integer (&buffer[(count - 1) * 4],
+ 4, byte_order, val);
}
- /* Copy data to be written over corresponding part of buffer */
+ /* Copy data to be written over corresponding part of buffer. */
memcpy ((char *) buffer + (memaddr & 3), myaddr, len);
word = extract_unsigned_integer (&buffer[i * 4], 4, byte_order);
status = mips_store_word (addr, word, NULL);
- /* Report each kilobyte (we download 32-bit words at a time) */
+ /* Report each kilobyte (we download 32-bit words at a time). */
if (i % 256 == 255)
{
printf_unfiltered ("*");
}
else
{
- /* Read all the longwords */
+ /* Read all the longwords. */
for (i = 0; i < count; i++, addr += 4)
{
unsigned int val;
if (query (_("Interrupted while waiting for the program.\n\
Give up (and stop debugging it)? ")))
{
- /* Clean up in such a way that mips_close won't try to talk to the
- board (it almost surely won't work since we weren't able to talk to
- it). */
+ /* Clean up in such a way that mips_close won't try to talk
+ to the board (it almost surely won't work since we
+ weren't able to talk to it). */
mips_wait_flag = 0;
close_ports ();
if (args && *args)
{
- warning ("\
-Can't pass arguments to remote MIPS board; arguments ignored.");
+ warning (_("\
+Can't pass arguments to remote MIPS board; arguments ignored."));
/* And don't try to use them on the next "run" command. */
execute_command ("set args", 0);
}
if (execfile == 0 || exec_bfd == 0)
- error ("No executable file specified");
+ error (_("No executable file specified"));
entry_pt = (CORE_ADDR) bfd_get_start_address (exec_bfd);
is the number of hardware breakpoints already installed. This
implements the target_can_use_hardware_watchpoint macro. */
-int
+static int
mips_can_use_watchpoint (int type, int cnt, int othertype)
{
return cnt < MAX_LSI_BREAKPOINTS && strcmp (target_shortname, "lsi") == 0;
/* Set a data watchpoint. ADDR and LEN should be obvious. TYPE is 0
for a write watchpoint, 1 for a read watchpoint, or 2 for a read/write
- watchpoint. */
+ watchpoint. */
-int
+static int
mips_insert_watchpoint (CORE_ADDR addr, int len, int type,
struct expression *cond)
{
/* Remove a watchpoint. */
-int
+static int
mips_remove_watchpoint (CORE_ADDR addr, int len, int type,
struct expression *cond)
{
/* Test to see if a watchpoint has been hit. Return 1 if so; return 0,
if not. */
-int
+static int
mips_stopped_by_watchpoint (void)
{
return hit_watchpoint;
command. If there's no error, just return 0. If it's a warning,
print the warning text and return 0. If it's an error, print
the error text and return 1. <ADDR> is the address of the breakpoint
- that was being set. <RERRFLG> is the error code returned by PMON.
+ that was being set. <RERRFLG> is the error code returned by PMON.
This is a helper function for mips_common_breakpoint. */
static int
mips_check_lsi_error (CORE_ADDR addr, int rerrflg)
{
struct lsi_error *err;
- const char *saddr = paddress (target_gdbarch, addr);
+ const char *saddr = paddress (target_gdbarch (), addr);
if (rerrflg == 0) /* no error */
return 0;
static int
mips_common_breakpoint (int set, CORE_ADDR addr, int len, enum break_type type)
{
- int addr_size = gdbarch_addr_bit (target_gdbarch) / 8;
+ int addr_size = gdbarch_addr_bit (target_gdbarch ()) / 8;
char buf[DATA_MAXLEN + 1];
char cmd, rcmd;
int rpid, rerrflg, rresponse, rlen;
int nfields;
- addr = gdbarch_addr_bits_remove (target_gdbarch, addr);
+ addr = gdbarch_addr_bits_remove (target_gdbarch (), addr);
if (mips_monitor == MON_LSI)
{
/* Clear the table entry and tell PMON to clear the breakpoint. */
if (i == MAX_LSI_BREAKPOINTS)
{
- warning ("\
-mips_common_breakpoint: Attempt to clear bogus breakpoint at %s\n",
- paddress (target_gdbarch, addr));
+ warning (_("\
+mips_common_breakpoint: Attempt to clear bogus breakpoint at %s"),
+ paddress (target_gdbarch (), addr));
return 1;
}
nfields = sscanf (buf, "0x%x b 0x0 0x%x", &rpid, &rerrflg);
if (nfields != 2)
- mips_error ("\
-mips_common_breakpoint: Bad response from remote board: %s",
+ mips_error (_("mips_common_breakpoint: "
+ "Bad response from remote board: %s"),
buf);
return (mips_check_lsi_error (addr, rerrflg));
succesful completion, other values indicate various
errors and warnings.
- Possible return codes: OK, W_QAL, E_QAL, E_OUT, E_NON.
-
- */
+ Possible return codes: OK, W_QAL, E_QAL, E_OUT, E_NON. */
if (type == BREAK_FETCH) /* instruction breakpoint */
{
nfields = sscanf (buf, "0x%x %c 0x%x 0x%x",
&rpid, &rcmd, &rresponse, &rerrflg);
if (nfields != 4 || rcmd != cmd || rresponse > 255)
- mips_error ("\
-mips_common_breakpoint: Bad response from remote board: %s",
+ mips_error (_("mips_common_breakpoint: "
+ "Bad response from remote board: %s"),
buf);
if (rerrflg != 0)
/* On non-LSI targets, the breakpoint command has this form:
0x0 <CMD> <ADDR> <MASK> <FLAGS>
<MASK> is a don't care mask for addresses.
- <FLAGS> is any combination of `r', `w', or `f' for read/write/fetch.
- */
+ <FLAGS> is any combination of `r', `w', or `f' for
+ read/write/fetch. */
+
unsigned long mask;
mask = calculate_mask (addr, len);
flags = "f";
break;
default:
- internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
+ internal_error (__FILE__, __LINE__,
+ _("failed internal consistency check"));
}
cmd = 'B';
&rpid, &rcmd, &rerrflg, &rresponse);
if (nfields != 4 || rcmd != cmd)
- mips_error ("\
-mips_common_breakpoint: Bad response from remote board: %s",
+ mips_error (_("mips_common_breakpoint: "
+ "Bad response from remote board: %s"),
buf);
if (rerrflg != 0)
if (rresponse != 22) /* invalid argument */
fprintf_unfiltered (gdb_stderr, "\
mips_common_breakpoint (%s): Got error: 0x%x\n",
- paddress (target_gdbarch, addr), rresponse);
+ paddress (target_gdbarch (), addr), rresponse);
return 1;
}
}
switch (ch)
{
case SERIAL_TIMEOUT:
- error ("Timeout during download.");
+ error (_("Timeout during download."));
break;
case 0x6: /* ACK */
return;
case 0x15: /* NACK */
- fprintf_unfiltered (gdb_stderr, "Download got a NACK at byte %s! Retrying.\n",
- paddress (target_gdbarch, addr));
+ fprintf_unfiltered (gdb_stderr,
+ "Download got a NACK at byte %s! Retrying.\n",
+ paddress (target_gdbarch (), addr));
continue;
default:
- error ("Download got unexpected ack char: 0x%x, retrying.\n", ch);
+ error (_("Download got unexpected ack char: 0x%x, retrying."),
+ ch);
}
}
}
-/* Download a binary file by converting it to S records. */
+/* Download a binary file by converting it to S records. */
static void
mips_load_srec (char *args)
unsigned int i;
unsigned int srec_frame = 200;
int reclen;
+ struct cleanup *cleanup;
static int hashmark = 1;
buffer = alloca (srec_frame * 2 + 256);
- abfd = bfd_openr (args, 0);
+ abfd = gdb_bfd_open (args, NULL, -1);
if (!abfd)
{
printf_filtered ("Unable to open file %s\n", args);
return;
}
+ cleanup = make_cleanup_bfd_unref (abfd);
if (bfd_check_format (abfd, bfd_object) == 0)
{
printf_filtered ("File is not an object file\n");
+ do_cleanups (cleanup);
return;
}
{
unsigned int numbytes;
- /* FIXME! vma too small????? */
+ /* FIXME! vma too small????? */
printf_filtered ("%s\t: 0x%4lx .. 0x%4lx ", s->name,
(long) s->vma,
(long) (s->vma + bfd_get_section_size (s)));
send_srec (srec, reclen, abfd->start_address);
serial_flush_input (mips_desc);
+ do_cleanups (cleanup);
}
/*
- * mips_make_srec -- make an srecord. This writes each line, one at a
+ * mips_make_srec -- make an srecord. This writes each line, one at a
* time, each with it's own header and trailer line.
* An srecord looks like this:
*
*
* Where
* - length
- * is the number of bytes following upto the checksum. Note that
+ * is the number of bytes following upto the checksum. Note that
* this is not the number of chars following, since it takes two
* chars to represent a byte.
* - type
unsigned char checksum;
int i;
- /* Create the header for the srec. addr_size is the number of bytes in the address,
- and 1 is the number of bytes in the count. */
+ /* Create the header for the srec. addr_size is the number of bytes
+ in the address, and 1 is the number of bytes in the count. */
- /* FIXME!! bigger buf required for 64-bit! */
+ /* FIXME!! bigger buf required for 64-bit! */
buf[0] = 'S';
buf[1] = type;
buf[2] = len + 4 + 1; /* len + 4 byte address + 1 byte checksum */
- /* This assumes S3 style downloads (4byte addresses). There should
+ /* This assumes S3 style downloads (4byte addresses). There should
probably be a check, or the code changed to make it more
- explicit. */
+ explicit. */
buf[3] = memaddr >> 24;
buf[4] = memaddr >> 16;
buf[5] = memaddr >> 8;
hexified data. It includes the length, address and the data
portions of the packet. */
checksum = 0;
- buf += 2; /* Point at length byte */
+ buf += 2; /* Point at length byte. */
for (i = 0; i < len + 4 + 1; i++)
checksum += *buf++;
}
/* The following manifest controls whether we enable the simple flow
- control support provided by the monitor. If enabled the code will
- wait for an affirmative ACK between transmitting packets. */
+ control support provided by the monitor. If enabled the code will
+ wait for an affirmative ACK between transmitting packets. */
#define DOETXACK (1)
/* The PMON fast-download uses an encoded packet format constructed of
'K' clear checksum
'C' compare checksum (12bit value, not included in checksum calculation)
- 'S' define symbol name (for addr) terminated with "," and padded to 4char boundary
+ 'S' define symbol name (for addr) terminated with ","
+ and padded to 4char boundary
'Z' zero fill multiple of 3bytes
'B' byte (12bit encoded value, of 8bit data)
'A' address (36bit encoded value)
The encoding of numbers is done in 6bit fields. The 6bit value is
used to index into this string to get the specific character
encoding for the value: */
-static char encoding[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789,.";
+static char encoding[] =
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789,.";
/* Convert the number of bits required into an encoded number, 6bits
at a time (range 0..63). Keep a checksum if required (passed
- pointer non-NULL). The function returns the number of encoded
- characters written into the buffer. */
+ pointer non-NULL). The function returns the number of encoded
+ characters written into the buffer. */
static int
pmon_makeb64 (unsigned long v, char *p, int n, int *chksum)
if ((n % 12) != 0)
{
fprintf_unfiltered (gdb_stderr,
- "Fast encoding bitcount must be a multiple of 12bits: %dbit%s\n", n, (n == 1) ? "" : "s");
+ "Fast encoding bitcount must be a "
+ "multiple of 12bits: %dbit%s\n",
+ n, (n == 1) ? "" : "s");
return (0);
}
if (n > 36)
{
fprintf_unfiltered (gdb_stderr,
- "Fast encoding cannot process more than 36bits at the moment: %dbits\n", n);
+ "Fast encoding cannot process more "
+ "than 36bits at the moment: %dbits\n", n);
return (0);
}
}
/* Shorthand function (that could be in-lined) to output the zero-fill
- escape sequence into the data stream. */
+ escape sequence into the data stream. */
static int
pmon_zeroset (int recsize, char **buff, int *amount, unsigned int *chksum)
Return the total size of the record after adding the checksum escape,
the checksum itself, and the trailing newline.
- The checksum specified by *VALUE is zeroed out prior to returning.
+ The checksum specified by *VALUE is zeroed out prior to returning.
Additionally, *BUF is updated to refer to the location just beyond
the record elements added by this call. */
count = pmon_makeb64 (*value, (*buff + 2), 12, NULL);
*buff += (count + 2);
sprintf (*buff, "\n");
- *buff += 2; /* include zero terminator */
+ *buff += 2; /* Include zero terminator. */
/* Forcing a checksum validation clears the sum: */
*value = 0;
return (recsize + count + 3);
/* Amount of padding we leave after at the end of the output buffer,
for the checksum and line termination characters: */
#define CHECKSIZE (4 + 4 + 4 + 2)
-/* zero-fill, checksum, transfer end and line termination space. */
+/* zero-fill, checksum, transfer end and line termination space. */
/* The amount of binary data loaded from the object file in a single
operation: */
/* Maximum line of data accepted by the monitor: */
#define MAXRECSIZE (550)
-/* NOTE: This constant depends on the monitor being used. This value
- is for PMON 5.x on the Cogent Vr4300 board. */
+/* NOTE: This constant depends on the monitor being used. This value
+ is for PMON 5.x on the Cogent Vr4300 board. */
/* Create a FastLoad format record.
char *p = *outbuf;
/* This is a simple check to ensure that our data will fit within
- the maximum allowable record size. Each record output is 4bytes
- in length. We must allow space for a pending zero fill command,
- the record, and a checksum record. */
+ the maximum allowable record size. Each record output is 4bytes
+ in length. We must allow space for a pending zero fill command,
+ the record, and a checksum record. */
while ((*recsize < (MAXRECSIZE - CHECKSIZE)) && ((inamount - *inptr) > 0))
{
/* Process the binary data: */
}
else
{
- unsigned int value = ((inbuf[*inptr + 0] << 16) | (inbuf[*inptr + 1] << 8) | inbuf[*inptr + 2]);
+ unsigned int value = ((inbuf[*inptr + 0] << 16)
+ | (inbuf[*inptr + 1] << 8)
+ | (inbuf[*inptr + 2]));
- /* Simple check for zero data. TODO: A better check would be
+ /* Simple check for zero data. TODO: A better check would be
to check the last, and then the middle byte for being zero
- (if the first byte is not). We could then check for
+ (if the first byte is not). We could then check for
following runs of zeros, and if above a certain size it is
worth the 4 or 8 character hit of the byte insertions used
- to pad to the start of the zeroes. NOTE: This also depends
- on the alignment at the end of the zero run. */
+ to pad to the start of the zeroes. NOTE: This also depends
+ on the alignment at the end of the zero run. */
if (value == 0x00000000)
{
(*zerofill)++;
{
fprintf_unfiltered (gdb_stderr,
"Failed to receive valid ACK for %s\n", mesg);
- return (-1); /* terminate the download */
+ return (-1); /* Terminate the download. */
}
}
#endif /* DOETXACK */
{
fprintf_unfiltered (gdb_stderr, "Load did not complete successfully.\n");
if (tftp_in_use)
- remove (tftp_localname); /* Remove temporary file */
+ remove (tftp_localname); /* Remove temporary file. */
return 0;
}
else
static void
pmon_check_entry_address (char *entry_address, int final)
{
- char hexnumber[9]; /* includes '\0' space */
+ char hexnumber[9]; /* Includes '\0' space. */
mips_expect_timeout (entry_address, tftp_in_use ? 15 : remote_timeout);
sprintf (hexnumber, "%x", final);
static int
pmon_check_total (int bintotal)
{
- char hexnumber[9]; /* includes '\0' space */
+ char hexnumber[9]; /* Includes '\0' space. */
mips_expect ("\r\ntotal = 0x");
sprintf (hexnumber, "%x", bintotal);
static void
pmon_end_download (int final, int bintotal)
{
- char hexnumber[9]; /* includes '\0' space */
+ char hexnumber[9]; /* Includes '\0' space. */
if (tftp_in_use)
{
/* Wait for the stuff that PMON prints after the load has completed.
The timeout value for use in the tftp case (15 seconds) was picked
- arbitrarily but might be too small for really large downloads. FIXME. */
+ arbitrarily but might be too small for really large downloads. FIXME. */
switch (mips_monitor)
{
case MON_LSI:
}
if (tftp_in_use)
- remove (tftp_localname); /* Remove temporary file */
+ remove (tftp_localname); /* Remove temporary file. */
}
/* Write the buffer specified by BUFFER of length LENGTH to either
pmon_download (char *buffer, int length)
{
if (tftp_in_use)
- fwrite (buffer, 1, length, tftp_file);
+ {
+ size_t written;
+
+ written = fwrite (buffer, 1, length, tftp_file);
+ if (written < length)
+ perror_with_name (tftp_localname);
+ }
else
serial_write (udp_in_use ? udp_desc : mips_desc, buffer, length);
}
int bintotal = 0;
int final = 0;
int finished = 0;
+ struct cleanup *cleanup;
buffer = (char *) xmalloc (MAXRECSIZE + 1);
binbuf = (unsigned char *) xmalloc (BINCHUNK);
- abfd = bfd_openr (file, 0);
+ abfd = gdb_bfd_open (file, NULL, -1);
if (!abfd)
{
printf_filtered ("Unable to open file %s\n", file);
return;
}
+ cleanup = make_cleanup_bfd_unref (abfd);
if (bfd_check_format (abfd, bfd_object) == 0)
{
printf_filtered ("File is not an object file\n");
+ do_cleanups (cleanup);
return;
}
mips_send_command ("set dlproto etxack\r", -1);
mips_send_command ("set dlecho off\r", -1);
/* NOTE: We get a "cannot set variable" message if the variable is
- already defined to have the argument we give. The code doesn't
- care, since it just scans to the next prompt anyway. */
+ already defined to have the argument we give. The code doesn't
+ care, since it just scans to the next prompt anyway. */
/* Start the download: */
pmon_start_download ();
- /* Zero the checksum */
+ /* Zero the checksum. */
sprintf (buffer, "/Kxx\n");
reclen = strlen (buffer);
pmon_download (buffer, reclen);
finished = pmon_check_ack ("/Kxx");
for (s = abfd->sections; s && !finished; s = s->next)
- if (s->flags & SEC_LOAD) /* only deal with loadable sections */
+ if (s->flags & SEC_LOAD) /* Only deal with loadable sections. */
{
bintotal += bfd_get_section_size (s);
final = (s->vma + bfd_get_section_size (s));
- printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name, (unsigned int) s->vma,
+ printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name,
+ (unsigned int) s->vma,
(unsigned int) (s->vma + bfd_get_section_size (s)));
gdb_flush (gdb_stdout);
- /* Output the starting address */
+ /* Output the starting address. */
sprintf (buffer, "/A");
reclen = pmon_makeb64 (s->vma, &buffer[2], 36, &csum);
buffer[2 + reclen] = '\n';
buffer[3 + reclen] = '\0';
- reclen += 3; /* for the initial escape code and carriage return */
+ reclen += 3; /* For the initial escape code and carriage return. */
pmon_download (buffer, reclen);
finished = pmon_check_ack ("/A");
finished = pmon_check_ack ("data record");
if (finished)
{
- zerofill = 0; /* do not transmit pending zerofills */
+ zerofill = 0; /* Do not transmit pending
+ zerofills. */
break;
}
putchar_unfiltered ('\n');
}
- /* Terminate the transfer. We know that we have an empty output
- buffer at this point. */
- sprintf (buffer, "/E/E\n"); /* include dummy padding characters */
+ /* Terminate the transfer. We know that we have an empty output
+ buffer at this point. */
+ sprintf (buffer, "/E/E\n"); /* Include dummy padding characters. */
reclen = strlen (buffer);
pmon_download (buffer, reclen);
pmon_end_download (final, bintotal);
}
+ do_cleanups (cleanup);
return;
}
-/* mips_load -- download a file. */
+/* mips_load -- download a file. */
static void
mips_load (char *file, int from_tty)
/* Get the board out of remote debugging mode. */
if (mips_exit_debug ())
- error ("mips_load: Couldn't get into monitor mode.");
+ error (_("mips_load: Couldn't get into monitor mode."));
if (mips_monitor != MON_IDT)
pmon_load_fast (file);
mips_initialize ();
- /* Finally, make the PC point at the start address */
+ /* Finally, make the PC point at the start address. */
regcache = get_current_regcache ();
if (mips_monitor != MON_IDT)
{
/* Work around problem where PMON monitor updates the PC after a load
- to a different value than GDB thinks it has. The following ensures
+ to a different value than GDB thinks it has. The following ensures
that the regcache_write_pc() WILL update the PC value: */
regcache_invalidate (regcache,
mips_regnum (get_regcache_arch (regcache))->pc);
printf_filtered ("Received packet: %s\n", buf);
}
\f
-extern initialize_file_ftype _initialize_remote_mips; /* -Wmissing-prototypes */
+/* -Wmissing-prototypes */
+extern initialize_file_ftype _initialize_remote_mips;
/* Initialize mips_ops, lsi_ops, ddb_ops, pmon_ops, and rockhopper_ops.
Create target specific commands and perform other initializations
projects / external / binutils.git / blobdiff