/* Remote debugging interface for MIPS remote debugging protocol.
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002 Free Software Foundation, Inc.
+ 2002, 2003, 2004 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by Ian Lance Taylor
<ian@cygnus.com>.
#include "gdb_stat.h"
#include "regcache.h"
#include <ctype.h>
+#include "mips-tdep.h"
\f
/* Breakpoint types. Values 0, 1, and 2 must agree with the watch
static void mips_files_info (struct target_ops *ignore);
-static void mips_create_inferior (char *execfile, char *args, char **env);
-
static void mips_mourn_inferior (void);
static int pmon_makeb64 (unsigned long v, char *p, int n, int *chksum);
wrap_here (""); /* Force out any buffered output */
gdb_flush (gdb_stdout);
if (error_pre_print)
- fprintf_filtered (gdb_stderr, error_pre_print);
+ fputs_filtered (error_pre_print, gdb_stderr);
vfprintf_filtered (gdb_stderr, string, args);
fprintf_filtered (gdb_stderr, "\n");
va_end (args);
return mips_expect_timeout (string, remote_timeout);
}
-/* Read the required number of characters into the given buffer (which
- is assumed to be large enough). The only failure is a timeout. */
-static int
-mips_getstring (char *string, int n)
-{
- char *p = string;
- int c;
-
- immediate_quit++;
- while (n > 0)
- {
- c = serial_readchar (mips_desc, remote_timeout);
-
- if (c == SERIAL_TIMEOUT)
- {
- fprintf_unfiltered (gdb_stderr,
- "Failed to read %d characters from target (TIMEOUT)\n", n);
- immediate_quit--;
- return 0;
- }
-
- *p++ = c;
- n--;
- }
-
- immediate_quit--;
- return 1;
-}
-
/* Read a character from the remote, aborting on error. Returns
SERIAL_TIMEOUT on timeout (since that's what serial_readchar()
returns). FIXME: If we see the string mips_monitor_prompt from the
static int
mips_cksum (const unsigned char *hdr, const unsigned char *data, int len)
{
- register const unsigned char *p;
- register int c;
- register int cksum;
+ const unsigned char *p;
+ int c;
+ int cksum;
cksum = 0;
{
/* unsigned */ int len;
unsigned char *packet;
- register int cksum;
+ int cksum;
int try;
len = strlen (s);
the request itself succeeds or fails. */
mips_request ('r', 0, 0, &err, mips_receive_wait, NULL);
- /* FIXME: cagney/2002-11-29: Force the update of selected frame.
- This shouldn't be necessary, only many many places still refer to
- selected_frame directly (instead of using get_selected_frame(). */
- get_selected_frame (); /* Hack!!! */
}
/* Open a connection to the remote board. */
/* FIXME: Should we call start_remote here? */
/* Try to figure out the processor model if possible. */
- ptype = mips_read_processor_type ();
- if (ptype)
- mips_set_processor_type_command (xstrdup (ptype), 0);
+ deprecated_mips_set_processor_regs_hack ();
/* This is really the job of start_remote however, that makes an
assumption that the target is about to print out a status message
flush_cached_frames ();
registers_changed ();
stop_pc = read_pc ();
- print_stack_frame (get_selected_frame (), -1, 1);
+ print_stack_frame (get_selected_frame (NULL), 0, SRC_AND_LOC);
xfree (serial_port_name);
}
{
char buf[MAX_REGISTER_SIZE];
- store_unsigned_integer (buf, REGISTER_RAW_SIZE (PC_REGNUM), rpc);
- supply_register (PC_REGNUM, buf);
+ store_unsigned_integer (buf, register_size (current_gdbarch, PC_REGNUM), rpc);
+ regcache_raw_supply (current_regcache, PC_REGNUM, buf);
- store_unsigned_integer (buf, REGISTER_RAW_SIZE (PC_REGNUM), rfp);
- supply_register (30, buf); /* This register they are avoiding and so it is unnamed */
+ store_unsigned_integer (buf, register_size (current_gdbarch, PC_REGNUM), rfp);
+ regcache_raw_supply (current_regcache, 30, buf); /* This register they are avoiding and so it is unnamed */
- store_unsigned_integer (buf, REGISTER_RAW_SIZE (SP_REGNUM), rsp);
- supply_register (SP_REGNUM, buf);
+ store_unsigned_integer (buf, register_size (current_gdbarch, SP_REGNUM), rsp);
+ regcache_raw_supply (current_regcache, SP_REGNUM, buf);
- store_unsigned_integer (buf, REGISTER_RAW_SIZE (DEPRECATED_FP_REGNUM), 0);
- supply_register (DEPRECATED_FP_REGNUM, buf);
+ store_unsigned_integer (buf, register_size (current_gdbarch, DEPRECATED_FP_REGNUM), 0);
+ regcache_raw_supply (current_regcache, DEPRECATED_FP_REGNUM, buf);
if (nfields == 9)
{
{
if (regno < 32)
return regno;
- if (regno >= FP0_REGNUM && regno < FP0_REGNUM + 32)
- return regno - FP0_REGNUM + 32;
- switch (regno)
- {
- case PC_REGNUM:
- return REGNO_OFFSET + 0;
- case CAUSE_REGNUM:
- return REGNO_OFFSET + 1;
- case HI_REGNUM:
- return REGNO_OFFSET + 2;
- case LO_REGNUM:
- return REGNO_OFFSET + 3;
- case FCRCS_REGNUM:
- return REGNO_OFFSET + 4;
- case FCRIR_REGNUM:
- return REGNO_OFFSET + 5;
- default:
- /* FIXME: Is there a way to get the status register? */
- return 0;
- }
+ if (regno >= mips_regnum (current_gdbarch)->fp0
+ && regno < mips_regnum (current_gdbarch)->fp0 + 32)
+ return regno - mips_regnum (current_gdbarch)->fp0 + 32;
+ else if (regno == mips_regnum (current_gdbarch)->pc)
+ return REGNO_OFFSET + 0;
+ else if (regno == mips_regnum (current_gdbarch)->cause)
+ return REGNO_OFFSET + 1;
+ else if (regno == mips_regnum (current_gdbarch)->hi)
+ return REGNO_OFFSET + 2;
+ else if (regno == mips_regnum (current_gdbarch)->lo)
+ return REGNO_OFFSET + 3;
+ else if (regno == mips_regnum (current_gdbarch)->fp_control_status)
+ return REGNO_OFFSET + 4;
+ else if (regno == mips_regnum (current_gdbarch)->fp_implementation_revision)
+ return REGNO_OFFSET + 5;
+ else
+ /* FIXME: Is there a way to get the status register? */
+ return 0;
}
/* Fetch the remote registers. */
/* We got the number the register holds, but gdb expects to see a
value in the target byte ordering. */
- store_unsigned_integer (buf, REGISTER_RAW_SIZE (regno), val);
- supply_register (regno, buf);
+ store_unsigned_integer (buf, register_size (current_gdbarch, regno), val);
+ regcache_raw_supply (current_regcache, regno, buf);
}
}
/* Start running on the target board. */
static void
-mips_create_inferior (char *execfile, char *args, char **env)
+mips_create_inferior (char *execfile, char *args, char **env, int from_tty)
{
CORE_ADDR entry_pt;
return memory_remove_breakpoint (addr, contents_cache);
}
-#if 0 /* currently not used */
-/* PMON does not currently provide support for the debug mode 'b'
- commands to manipulate breakpoints. However, if we wanted to use
- the monitor breakpoints (rather than the GDB BREAK_INSN version)
- then this code performs the work needed to leave debug mode,
- set/clear the breakpoint, and then return to debug mode. */
-
-#define PMON_MAX_BP (33) /* 32 SW, 1 HW */
-static CORE_ADDR mips_pmon_bp_info[PMON_MAX_BP];
-/* NOTE: The code relies on this vector being zero-initialised by the system */
-
-static int
-pmon_insert_breakpoint (CORE_ADDR addr, char *contents_cache)
-{
- int status;
-
- if (monitor_supports_breakpoints)
- {
- char tbuff[12]; /* space for breakpoint command */
- int bpnum;
- CORE_ADDR bpaddr;
-
- /* PMON does not support debug level breakpoint set/remove: */
- if (mips_exit_debug ())
- mips_error ("Failed to exit debug mode");
-
- sprintf (tbuff, "b %08x\r", addr);
- mips_send_command (tbuff, 0);
-
- mips_expect ("Bpt ");
-
- if (!mips_getstring (tbuff, remote_timeout))
- return 1;
- tbuff[2] = '\0'; /* terminate the string */
- if (sscanf (tbuff, "%d", &bpnum) != 1)
- {
- fprintf_unfiltered (gdb_stderr,
- "Invalid decimal breakpoint number from target: %s\n", tbuff);
- return 1;
- }
-
- mips_expect (" = ");
-
- /* Lead in the hex number we are expecting: */
- tbuff[0] = '0';
- tbuff[1] = 'x';
-
- /* FIXME!! only 8 bytes! need to expand for Bfd64;
- which targets return 64-bit addresses? PMON returns only 32! */
- if (!mips_getstring (&tbuff[2], 8))
- return 1;
- tbuff[10] = '\0'; /* terminate the string */
-
- if (sscanf (tbuff, "0x%08x", &bpaddr) != 1)
- {
- fprintf_unfiltered (gdb_stderr,
- "Invalid hex address from target: %s\n", tbuff);
- return 1;
- }
-
- if (bpnum >= PMON_MAX_BP)
- {
- fprintf_unfiltered (gdb_stderr,
- "Error: Returned breakpoint number %d outside acceptable range (0..%d)\n",
- bpnum, PMON_MAX_BP - 1);
- return 1;
- }
-
- if (bpaddr != addr)
- fprintf_unfiltered (gdb_stderr, "Warning: Breakpoint addresses do not match: 0x%x != 0x%x\n", addr, bpaddr);
-
- mips_pmon_bp_info[bpnum] = bpaddr;
-
- mips_expect ("\r\n");
- mips_expect (mips_monitor_prompt);
-
- mips_enter_debug ();
-
- return 0;
- }
-
- return mips_store_word (addr, BREAK_INSN, contents_cache);
-}
-
-static int
-pmon_remove_breakpoint (CORE_ADDR addr, char *contents_cache)
-{
- if (monitor_supports_breakpoints)
- {
- int bpnum;
- char tbuff[7]; /* enough for delete breakpoint command */
-
- for (bpnum = 0; bpnum < PMON_MAX_BP; bpnum++)
- if (mips_pmon_bp_info[bpnum] == addr)
- break;
-
- if (bpnum >= PMON_MAX_BP)
- {
- fprintf_unfiltered (gdb_stderr,
- "pmon_remove_breakpoint: Failed to find breakpoint at address 0x%s\n",
- paddr_nz (addr));
- return 1;
- }
-
- if (mips_exit_debug ())
- mips_error ("Failed to exit debug mode");
-
- sprintf (tbuff, "db %02d\r", bpnum);
-
- mips_send_command (tbuff, -1);
- /* NOTE: If the breakpoint does not exist then a "Bpt <dd> not
- set" message will be returned. */
-
- mips_enter_debug ();
-
- return 0;
- }
-
- return target_write_memory (addr, contents_cache, BREAK_INSN_SIZE);
-}
-#endif
-
-
/* Tell whether this target can support a hardware breakpoint. CNT
is the number of hardware breakpoints already installed. This
implements the TARGET_CAN_USE_HARDWARE_WATCHPOINT macro. */
int
-remote_mips_can_use_hardware_watchpoint (int cnt)
+mips_can_use_watchpoint (int type, int cnt, int othertype)
{
return cnt < MAX_LSI_BREAKPOINTS && strcmp (target_shortname, "lsi") == 0;
}
}
-/* Insert a hardware breakpoint. This works only on LSI targets, which
- implement ordinary breakpoints using hardware facilities. */
-
-static int
-remote_mips_insert_hw_breakpoint (CORE_ADDR addr, char *contents_cache)
-{
- if (strcmp (target_shortname, "lsi") == 0)
- return mips_insert_breakpoint (addr, contents_cache);
- else
- return -1;
-}
-
-
-/* Remove a hardware breakpoint. This works only on LSI targets, which
- implement ordinary breakpoints using hardware facilities. */
-
-static int
-remote_mips_remove_hw_breakpoint (CORE_ADDR addr, char *contents_cache)
-{
- if (strcmp (target_shortname, "lsi") == 0)
- return mips_remove_breakpoint (addr, contents_cache);
- else
- return -1;
-}
-
/* 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. */
int
-remote_mips_set_watchpoint (CORE_ADDR addr, int len, int type)
+mips_insert_watchpoint (CORE_ADDR addr, int len, int type)
{
if (set_breakpoint (addr, len, type))
return -1;
}
int
-remote_mips_remove_watchpoint (CORE_ADDR addr, int len, int type)
+mips_remove_watchpoint (CORE_ADDR addr, int len, int type)
{
if (clear_breakpoint (addr, len, type))
return -1;
}
int
-remote_mips_stopped_by_watchpoint (void)
+mips_stopped_by_watchpoint (void)
{
return hit_watchpoint;
}
/* FIXME! vma too small????? */
printf_filtered ("%s\t: 0x%4lx .. 0x%4lx ", s->name,
(long) s->vma,
- (long) (s->vma + s->_raw_size));
+ (long) (s->vma + bfd_get_section_size (s)));
gdb_flush (gdb_stdout);
- for (i = 0; i < s->_raw_size; i += numbytes)
+ for (i = 0; i < bfd_get_section_size (s); i += numbytes)
{
- numbytes = min (srec_frame, s->_raw_size - i);
+ numbytes = min (srec_frame, bfd_get_section_size (s) - i);
bfd_get_section_contents (abfd, s, buffer, i, numbytes);
reclen = mips_make_srec (srec, '3', s->vma + i, buffer, numbytes);
send_srec (srec, reclen, s->vma + i);
- if (ui_load_progress_hook)
- ui_load_progress_hook (s->name, i);
+ if (deprecated_ui_load_progress_hook)
+ deprecated_ui_load_progress_hook (s->name, i);
if (hashmark)
{
for (s = abfd->sections; s && !finished; s = s->next)
if (s->flags & SEC_LOAD) /* only deal with loadable sections */
{
- bintotal += s->_raw_size;
- final = (s->vma + s->_raw_size);
+ 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,
- (unsigned int) (s->vma + s->_raw_size));
+ (unsigned int) (s->vma + bfd_get_section_size (s)));
gdb_flush (gdb_stdout);
/* Output the starting address */
reclen = 0;
- for (i = 0; ((i < s->_raw_size) && !finished); i += binamount)
+ for (i = 0;
+ i < bfd_get_section_size (s) && !finished;
+ i += binamount)
{
int binptr = 0;
- binamount = min (BINCHUNK, s->_raw_size - i);
+ binamount = min (BINCHUNK, bfd_get_section_size (s) - i);
bfd_get_section_contents (abfd, s, binbuf, i, binamount);
break;
}
- if (ui_load_progress_hook)
- ui_load_progress_hook (s->name, i);
+ if (deprecated_ui_load_progress_hook)
+ deprecated_ui_load_progress_hook (s->name, i);
if (hashmark)
{
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.to_xfer_memory = mips_xfer_memory;
+ mips_ops.deprecated_xfer_memory = mips_xfer_memory;
mips_ops.to_files_info = mips_files_info;
mips_ops.to_insert_breakpoint = mips_insert_breakpoint;
mips_ops.to_remove_breakpoint = mips_remove_breakpoint;
+ mips_ops.to_insert_watchpoint = mips_insert_watchpoint;
+ mips_ops.to_remove_watchpoint = mips_remove_watchpoint;
+ mips_ops.to_stopped_by_watchpoint = mips_stopped_by_watchpoint;
+ mips_ops.to_can_use_hw_breakpoint = mips_can_use_watchpoint;
mips_ops.to_kill = mips_kill;
mips_ops.to_load = mips_load;
mips_ops.to_create_inferior = mips_create_inferior;
add_target (&ddb_ops);
add_target (&lsi_ops);
- add_show_from_set (
- add_set_cmd ("timeout", no_class, var_zinteger,
- (char *) &mips_receive_wait,
- "Set timeout in seconds for remote MIPS serial I/O.",
- &setlist),
- &showlist);
-
- add_show_from_set (
- add_set_cmd ("retransmit-timeout", no_class, var_zinteger,
- (char *) &mips_retransmit_wait,
- "Set retransmit timeout in seconds for remote MIPS serial I/O.\n\
+ deprecated_add_show_from_set
+ (add_set_cmd ("timeout", no_class, var_zinteger,
+ (char *) &mips_receive_wait,
+ "Set timeout in seconds for remote MIPS serial I/O.",
+ &setlist),
+ &showlist);
+
+ deprecated_add_show_from_set
+ (add_set_cmd ("retransmit-timeout", no_class, var_zinteger,
+ (char *) &mips_retransmit_wait, "\
+Set retransmit timeout in seconds for remote MIPS serial I/O.\n\
This is the number of seconds to wait for an acknowledgement to a packet\n\
before resending the packet.", &setlist),
- &showlist);
+ &showlist);
- add_show_from_set (
- add_set_cmd ("syn-garbage-limit", no_class, var_zinteger,
- (char *) &mips_syn_garbage,
- "Set the maximum number of characters to ignore when scanning for a SYN.\n\
+ deprecated_add_show_from_set
+ (add_set_cmd ("syn-garbage-limit", no_class, var_zinteger,
+ (char *) &mips_syn_garbage, "\
+Set the maximum number of characters to ignore when scanning for a SYN.\n\
This is the maximum number of characters GDB will ignore when trying to\n\
-synchronize with the remote system. A value of -1 means that there is no limit\n\
-(Note that these characters are printed out even though they are ignored.)",
- &setlist),
- &showlist);
+synchronize with the remote system. A value of -1 means that there is no\n\
+limit. (Note that these characters are printed out even though they are\n\
+ignored.)",
+ &setlist),
+ &showlist);
- add_show_from_set
+ deprecated_add_show_from_set
(add_set_cmd ("monitor-prompt", class_obscure, var_string,
(char *) &mips_monitor_prompt,
"Set the prompt that GDB expects from the monitor.",
&setlist),
&showlist);
- add_show_from_set (
- add_set_cmd ("monitor-warnings", class_obscure, var_zinteger,
- (char *) &monitor_warnings,
- "Set printing of monitor warnings.\n"
- "When enabled, monitor warnings about hardware breakpoints "
- "will be displayed.",
- &setlist),
- &showlist);
+ deprecated_add_show_from_set
+ (add_set_cmd ("monitor-warnings", class_obscure, var_zinteger,
+ (char *) &monitor_warnings,
+ "Set printing of monitor warnings.\n"
+ "When enabled, monitor warnings about hardware breakpoints "
+ "will be displayed.",
+ &setlist),
+ &showlist);
add_com ("pmon <command>", class_obscure, pmon_command,
"Send a packet to PMON (must be in debug mode).");
- add_show_from_set (add_set_cmd ("mask-address", no_class,
- var_boolean, &mask_address_p,
- "Set zeroing of upper 32 bits of 64-bit addresses when talking to PMON targets.\n\
+ deprecated_add_show_from_set
+ (add_set_cmd ("mask-address", no_class,
+ var_boolean, &mask_address_p, "\
+Set zeroing of upper 32 bits of 64-bit addresses when talking to PMON targets.\n\
Use \"on\" to enable the masking and \"off\" to disable it.\n",
- &setlist),
- &showlist);
+ &setlist),
+ &showlist);
}
projects / deliverable / binutils-gdb.git / blobdiff