/* Remote debugging interface for MIPS remote debugging protocol.
- Copyright (C) 1993-2004, 2006-2012 Free Software Foundation, Inc.
+ Copyright (C) 1993-2014 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by Ian Lance Taylor
<ian@cygnus.com>.
#include "defs.h"
#include "inferior.h"
+#include "infrun.h"
#include "bfd.h"
#include "symfile.h"
#include "gdbcmd.h"
#include "serial.h"
#include "target.h"
#include "exceptions.h"
-#include "gdb_string.h"
-#include "gdb_stat.h"
+#include <string.h>
+#include <sys/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
int *pch, int timeout);
static int mips_cksum (const unsigned char *hdr,
- const unsigned char *data, int len);
+ const char *data, int len);
static void mips_send_packet (const char *s, int get_ack);
static void lsi_open (char *name, int from_tty);
-static void mips_close (int quitting);
-
-static void mips_detach (struct target_ops *ops, char *args, int from_tty);
+static void mips_close (struct target_ops *self);
static int mips_map_regno (struct gdbarch *, int);
static void mips_set_register (int regno, ULONGEST value);
-static void mips_prepare_to_store (struct regcache *regcache);
+static void mips_prepare_to_store (struct target_ops *self,
+ struct regcache *regcache);
static int mips_fetch_word (CORE_ADDR addr, unsigned int *valp);
static int mips_store_word (CORE_ADDR addr, unsigned int value,
int *old_contents);
-static int mips_xfer_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len,
- int write,
- struct mem_attrib *attrib,
- struct target_ops *target);
+static enum target_xfer_status mips_xfer_memory (gdb_byte *readbuf,
+ const gdb_byte *writebuf,
+ ULONGEST memaddr,
+ ULONGEST len,
+ ULONGEST *xfered_len);
static void mips_files_info (struct target_ops *ignore);
static void mips_mourn_inferior (struct target_ops *ops);
-static int pmon_makeb64 (unsigned long v, char *p, int n, int *chksum);
+static int pmon_makeb64 (unsigned long v, char *p, int n, unsigned int *chksum);
-static int pmon_zeroset (int recsize, char **buff, int *amount,
+static int pmon_zeroset (int recsize, char **buff, unsigned int *amount,
unsigned int *chksum);
-static int pmon_checkset (int recsize, char **buff, int *value);
+static int pmon_checkset (int recsize, char **buff, unsigned int *value);
static void pmon_make_fastrec (char **outbuf, unsigned char *inbuf,
int *inptr, int inamount, int *recsize,
static void pmon_load_fast (char *file);
-static void mips_load (char *file, int from_tty);
+static void mips_load (struct target_ops *self, char *file, int from_tty);
static int mips_make_srec (char *buffer, int type, CORE_ADDR memaddr,
unsigned char *myaddr, int len);
mips_error (char *string,...)
{
va_list args;
-
- va_start (args, string);
+ char *fmt;
target_terminal_ours ();
wrap_here (""); /* Force out any buffered output. */
gdb_flush (gdb_stdout);
- if (error_pre_print)
- fputs_filtered (error_pre_print, gdb_stderr);
- vfprintf_filtered (gdb_stderr, string, args);
- fprintf_filtered (gdb_stderr, "\n");
- va_end (args);
gdb_flush (gdb_stderr);
/* Clean up in such a way that mips_close won't try to talk to the
it). */
close_ports ();
- printf_unfiltered ("Ending remote MIPS debugging.\n");
if (!ptid_equal (inferior_ptid, null_ptid))
target_mourn_inferior ();
- deprecated_throw_reason (RETURN_ERROR);
+ fmt = concat (_("Ending remote MIPS debugging: "),
+ string, (char *) NULL);
+ make_cleanup (xfree, fmt);
+
+ va_start (args, string);
+ throw_verror (TARGET_CLOSE_ERROR, fmt, args);
+ va_end (args);
}
/* putc_readable - print a character, displaying non-printable chars in
}
immediate_quit++;
+ QUIT;
while (1)
{
int c;
}
/* Get the checksum of a packet. HDR points to the packet header.
- DATA points to the packet data. LEN is the length of DATA. */
+ DATASTR points to the packet data. LEN is the length of DATASTR. */
static int
-mips_cksum (const unsigned char *hdr, const unsigned char *data, int len)
+mips_cksum (const unsigned char *hdr, const char *datastr, int len)
{
const unsigned char *p;
+ const unsigned char *data = (const unsigned char *) datastr;
int c;
int cksum;
memcpy (packet + HDR_LENGTH, s, len);
- cksum = mips_cksum (packet, packet + HDR_LENGTH, len);
+ cksum = mips_cksum (packet, (char *) packet + HDR_LENGTH, len);
packet[HDR_LENGTH + len + TRLR_INDX_CSUM1] = TRLR_SET_CSUM1 (cksum);
packet[HDR_LENGTH + len + TRLR_INDX_CSUM2] = TRLR_SET_CSUM2 (cksum);
packet[HDR_LENGTH + len + TRLR_INDX_CSUM3] = TRLR_SET_CSUM3 (cksum);
/* If the checksum does not match the trailer checksum, this
is a bad packet; ignore it. */
- if (mips_cksum (hdr, (unsigned char *) NULL, 0)
- != TRLR_GET_CKSUM (trlr))
+ if (mips_cksum (hdr, NULL, 0) != TRLR_GET_CKSUM (trlr))
continue;
if (remote_debug > 0)
ack[HDR_INDX_LEN1] = HDR_SET_LEN1 (0, 0, mips_receive_seq);
ack[HDR_INDX_SEQ] = HDR_SET_SEQ (0, 0, mips_receive_seq);
- cksum = mips_cksum (ack, (unsigned char *) NULL, 0);
+ cksum = mips_cksum (ack, NULL, 0);
ack[HDR_LENGTH + TRLR_INDX_CSUM1] = TRLR_SET_CSUM1 (cksum);
ack[HDR_LENGTH + TRLR_INDX_CSUM2] = TRLR_SET_CSUM2 (cksum);
ack[HDR_INDX_LEN1] = HDR_SET_LEN1 (0, 0, mips_receive_seq);
ack[HDR_INDX_SEQ] = HDR_SET_SEQ (0, 0, mips_receive_seq);
- cksum = mips_cksum (ack, (unsigned char *) NULL, 0);
+ cksum = mips_cksum (ack, NULL, 0);
ack[HDR_LENGTH + TRLR_INDX_CSUM1] = TRLR_SET_CSUM1 (cksum);
ack[HDR_LENGTH + TRLR_INDX_CSUM2] = TRLR_SET_CSUM2 (cksum);
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;
mips_request ('x', 0, 0, NULL, mips_receive_wait, NULL);
mips_need_reply = 0;
if (!mips_expect (" break!"))
- return -1;
+ {
+ do_cleanups (old_cleanups);
+ return -1;
+ }
}
else
mips_request ('x', 0, 0, &err, mips_receive_wait, NULL);
if (!mips_expect (mips_monitor_prompt))
- return -1;
+ {
+ do_cleanups (old_cleanups);
+ return -1;
+ }
do_cleanups (old_cleanups);
mips_initialize (void)
{
int err;
- struct cleanup *old_cleanups = make_cleanup (mips_initialize_cleanups, NULL);
+ struct cleanup *old_cleanups;
int j;
/* What is this code doing here? I don't see any way it can happen, and
return;
}
+ old_cleanups = make_cleanup (mips_initialize_cleanups, NULL);
+
mips_wait_flag = 0;
mips_initializing = 1;
char *remote_name = 0;
char *local_name = 0;
char **argv;
+ struct cleanup *cleanup;
if (name == 0)
error (_("\
/* Parse the serial port name, the optional TFTP name, and the
optional local TFTP name. */
argv = gdb_buildargv (name);
- make_cleanup_freeargv (argv);
+ cleanup = make_cleanup_freeargv (argv);
serial_port_name = xstrdup (argv[0]);
if (argv[1]) /* Remote TFTP name specified? */
reinit_frame_cache ();
registers_changed ();
stop_pc = regcache_read_pc (get_current_regcache ());
- print_stack_frame (get_selected_frame (NULL), 0, SRC_AND_LOC);
+ print_stack_frame (get_selected_frame (NULL), 0, SRC_AND_LOC, 1);
xfree (serial_port_name);
+
+ do_cleanups (cleanup);
}
/* Open a connection to an IDT board. */
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:
/* Close a connection to the remote board. */
static void
-mips_close (int quitting)
+mips_close (struct target_ops *self)
{
if (mips_is_open)
{
/* Detach from the remote board. */
static void
-mips_detach (struct target_ops *ops, char *args, int from_tty)
+mips_detach (struct target_ops *ops, const char *args, int from_tty)
{
if (args)
error (_("Argument given to \"detach\" when remotely debugging."));
- pop_target ();
-
- mips_close (1);
+ unpush_target (ops);
if (from_tty)
printf_unfiltered ("Ending remote MIPS debugging.\n");
static void
mips_set_register (int regno, ULONGEST value)
{
- char buf[MAX_REGISTER_SIZE];
+ gdb_byte buf[MAX_REGISTER_SIZE];
struct regcache *regcache = get_current_regcache ();
struct gdbarch *gdbarch = get_regcache_arch (regcache);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
registers, so this function doesn't have to do anything. */
static void
-mips_prepare_to_store (struct regcache *regcache)
+mips_prepare_to_store (struct target_ops *self, struct regcache *regcache)
{
}
return 0;
}
-/* Read or write LEN bytes from inferior memory at MEMADDR,
- transferring to or from debugger address MYADDR. Write to inferior
- if SHOULD_WRITE is nonzero. Returns length of data written or
- read; 0 for error. Note that protocol gives us the correct value
- for a longword, since it transfers values in ASCII. We want the
- byte values, so we have to swap the longword values. */
+/* Helper for mips_xfer_partial that handles memory transfers.
+ Arguments are like target_xfer_partial. Note that the protocol
+ gives us the correct value for a longword, since it transfers
+ values in ASCII. We want the byte values, so we have to swap the
+ longword values. */
static int mask_address_p = 1;
-static int
-mips_xfer_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len, int write,
- struct mem_attrib *attrib, struct target_ops *target)
+static enum target_xfer_status
+mips_xfer_memory (gdb_byte *readbuf, const gdb_byte *writebuf,
+ ULONGEST memaddr, ULONGEST len, ULONGEST *xfered_len)
{
- 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;
- char *buffer;
+ gdb_byte *buffer;
int status;
/* PMON targets do not cope well with 64 bit addresses. Mask the
/* Allocate buffer of that many longwords. */
buffer = alloca (count * 4);
- if (write)
+ if (writebuf != NULL)
{
/* Fill start and end extra bytes of buffer with existing data. */
if (addr != memaddr || len < 4)
unsigned int val;
if (mips_fetch_word (addr, &val))
- return 0;
+ return TARGET_XFER_E_IO;
/* Need part of initial word -- fetch it. */
store_unsigned_integer (&buffer[0], 4, byte_order, val);
/* Need part of last word -- fetch it. FIXME: we do this even
if we don't need it. */
if (mips_fetch_word (addr + (count - 1) * 4, &val))
- return 0;
+ return TARGET_XFER_E_IO;
store_unsigned_integer (&buffer[(count - 1) * 4],
4, byte_order, val);
/* Copy data to be written over corresponding part of buffer. */
- memcpy ((char *) buffer + (memaddr & 3), myaddr, len);
+ memcpy ((char *) buffer + (memaddr & 3), writebuf, len);
/* Write the entire buffer. */
gdb_flush (gdb_stdout);
}
if (status)
- {
- errno = status;
- return 0;
- }
+ return TARGET_XFER_E_IO;
/* FIXME: Do we want a QUIT here? */
}
if (count >= 256)
unsigned int val;
if (mips_fetch_word (addr, &val))
- return 0;
+ return TARGET_XFER_E_IO;
store_unsigned_integer (&buffer[i * 4], 4, byte_order, val);
QUIT;
}
/* Copy appropriate bytes out of the buffer. */
- memcpy (myaddr, buffer + (memaddr & 3), len);
+ memcpy (readbuf, buffer + (memaddr & 3), len);
}
return len;
}
+/* Target to_xfer_partial implementation. */
+
+static enum target_xfer_status
+mips_xfer_partial (struct target_ops *ops, enum target_object object,
+ const char *annex, gdb_byte *readbuf,
+ const gdb_byte *writebuf, ULONGEST offset, ULONGEST len,
+ ULONGEST *xfered_len)
+{
+ switch (object)
+ {
+ case TARGET_OBJECT_MEMORY:
+ return mips_xfer_memory (readbuf, writebuf, offset, len, xfered_len);
+
+ default:
+ return ops->beneath->to_xfer_partial (ops->beneath, object, annex,
+ readbuf, writebuf, offset, len,
+ xfered_len);
+ }
+}
+
/* Print info on this target. */
static void
printf_unfiltered ("Ending remote MIPS debugging.\n");
target_mourn_inferior ();
-
- deprecated_throw_reason (RETURN_QUIT);
+ quit ();
}
target_terminal_inferior ();
target contents. */
static int
-mips_insert_breakpoint (struct gdbarch *gdbarch,
+mips_insert_breakpoint (struct target_ops *ops, struct gdbarch *gdbarch,
struct bp_target_info *bp_tgt)
{
if (monitor_supports_breakpoints)
return mips_set_breakpoint (bp_tgt->placed_address, MIPS_INSN32_SIZE,
BREAK_FETCH);
else
- return memory_insert_breakpoint (gdbarch, bp_tgt);
+ return memory_insert_breakpoint (ops, gdbarch, bp_tgt);
}
/* Remove a breakpoint. */
static int
-mips_remove_breakpoint (struct gdbarch *gdbarch,
+mips_remove_breakpoint (struct target_ops *ops, struct gdbarch *gdbarch,
struct bp_target_info *bp_tgt)
{
if (monitor_supports_breakpoints)
return mips_clear_breakpoint (bp_tgt->placed_address, MIPS_INSN32_SIZE,
BREAK_FETCH);
else
- return memory_remove_breakpoint (gdbarch, bp_tgt);
+ return memory_remove_breakpoint (ops, gdbarch, bp_tgt);
}
/* Tell whether this target can support a hardware breakpoint. CNT
implements the target_can_use_hardware_watchpoint macro. */
static int
-mips_can_use_watchpoint (int type, int cnt, int othertype)
+mips_can_use_watchpoint (struct target_ops *self,
+ int type, int cnt, int othertype)
{
return cnt < MAX_LSI_BREAKPOINTS && strcmp (target_shortname, "lsi") == 0;
}
watchpoint. */
static int
-mips_insert_watchpoint (CORE_ADDR addr, int len, int type,
+mips_insert_watchpoint (struct target_ops *self,
+ CORE_ADDR addr, int len, int type,
struct expression *cond)
{
if (mips_set_breakpoint (addr, len, type))
/* Remove a watchpoint. */
static int
-mips_remove_watchpoint (CORE_ADDR addr, int len, int type,
+mips_remove_watchpoint (struct target_ops *self,
+ CORE_ADDR addr, int len, int type,
struct expression *cond)
{
if (mips_clear_breakpoint (addr, len, type))
if not. */
static int
-mips_stopped_by_watchpoint (void)
+mips_stopped_by_watchpoint (struct target_ops *ops)
{
return hit_watchpoint;
}
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)
{
{
warning (_("\
mips_common_breakpoint: Attempt to clear bogus breakpoint at %s"),
- paddress (target_gdbarch, addr));
+ paddress (target_gdbarch (), addr));
return 1;
}
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;
}
}
case 0x15: /* NACK */
fprintf_unfiltered (gdb_stderr,
"Download got a NACK at byte %s! Retrying.\n",
- paddress (target_gdbarch, addr));
+ paddress (target_gdbarch (), addr));
continue;
default:
error (_("Download got unexpected ack char: 0x%x, retrying."),
{
bfd *abfd;
asection *s;
- char *buffer, srec[1024];
+ char srec[1024];
+ bfd_byte *buffer;
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;
}
send_srec (srec, reclen, abfd->start_address);
serial_flush_input (mips_desc);
+ do_cleanups (cleanup);
}
/*
characters written into the buffer. */
static int
-pmon_makeb64 (unsigned long v, char *p, int n, int *chksum)
+pmon_makeb64 (unsigned long v, char *p, int n, unsigned int *chksum)
{
int count = (n / 6);
escape sequence into the data stream. */
static int
-pmon_zeroset (int recsize, char **buff, int *amount, unsigned int *chksum)
+pmon_zeroset (int recsize, char **buff,
+ unsigned int *amount, unsigned int *chksum)
{
int count;
the record elements added by this call. */
static int
-pmon_checkset (int recsize, char **buff, int *value)
+pmon_checkset (int recsize, char **buff, unsigned int *value)
{
int count;
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;
}
pmon_end_download (final, bintotal);
}
+ do_cleanups (cleanup);
return;
}
/* mips_load -- download a file. */
static void
-mips_load (char *file, int from_tty)
+mips_load (struct target_ops *self, char *file, int from_tty)
{
struct regcache *regcache;
mips_ops.to_fetch_registers = mips_fetch_registers;
mips_ops.to_store_registers = mips_store_registers;
mips_ops.to_prepare_to_store = mips_prepare_to_store;
- mips_ops.deprecated_xfer_memory = mips_xfer_memory;
+ mips_ops.to_xfer_partial = mips_xfer_partial;
mips_ops.to_files_info = mips_files_info;
mips_ops.to_insert_breakpoint = mips_insert_breakpoint;
mips_ops.to_remove_breakpoint = mips_remove_breakpoint;
projects / thirdparty / binutils-gdb.git / blobdiff