#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
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);
timed out. TIMEOUT specifies timeout value in seconds.
*/
-int
+static int
mips_expect_timeout (const char *string, int timeout)
{
const char *p = string;
mips_expect_timeout if a different timeout value is needed.
*/
-int
+static int
mips_expect (const char *string)
{
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. */
-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);
}
static void
-mips_initialize_cleanups (PTR arg)
+mips_initialize_cleanups (void *arg)
{
mips_initializing = 0;
}
static void
-mips_exit_cleanups (PTR arg)
+mips_exit_cleanups (void *arg)
{
mips_exiting = 0;
}
the request itself succeeds or fails. */
mips_request ('r', 0, 0, &err, mips_receive_wait, NULL);
- set_current_frame (create_new_frame (read_fp (), read_pc ()));
- select_frame (get_current_frame ());
}
/* 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 of some sort. That
- doesn't happen here (in fact, it may not be possible to get the monitor to
- send the appropriate packet). */
+ /* This is really the job of start_remote however, that makes an
+ assumption that the target is about to print out a status message
+ of some sort. That doesn't happen here (in fact, it may not be
+ possible to get the monitor to send the appropriate packet). */
flush_cached_frames ();
registers_changed ();
stop_pc = read_pc ();
- set_current_frame (create_new_frame (read_fp (), stop_pc));
- select_frame (get_current_frame ());
- print_stack_frame (selected_frame, -1, 1);
+ print_stack_frame (get_selected_frame (), -1, 1);
xfree (serial_port_name);
}
/* Return the signal corresponding to SIG, where SIG is the number which
the MIPS protocol uses for the signal. */
-enum target_signal
+static enum target_signal
mips_signal_from_protocol (int sig)
{
/* We allow a few more signals than the IDT board actually returns, on
&rpc, &rfp, &rsp, flags);
if (nfields >= 3)
{
- char buf[MAX_REGISTER_RAW_SIZE];
+ char buf[MAX_REGISTER_SIZE];
- store_unsigned_integer (buf, REGISTER_RAW_SIZE (PC_REGNUM), rpc);
+ store_unsigned_integer (buf, DEPRECATED_REGISTER_RAW_SIZE (PC_REGNUM), rpc);
supply_register (PC_REGNUM, buf);
- store_unsigned_integer (buf, REGISTER_RAW_SIZE (PC_REGNUM), rfp);
+ store_unsigned_integer (buf, DEPRECATED_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_RAW_SIZE (SP_REGNUM), rsp);
+ store_unsigned_integer (buf, DEPRECATED_REGISTER_RAW_SIZE (SP_REGNUM), rsp);
supply_register (SP_REGNUM, buf);
- store_unsigned_integer (buf, REGISTER_RAW_SIZE (FP_REGNUM), 0);
- supply_register (FP_REGNUM, buf);
+ store_unsigned_integer (buf, DEPRECATED_REGISTER_RAW_SIZE (DEPRECATED_FP_REGNUM), 0);
+ supply_register (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. */
return;
}
- if (regno == FP_REGNUM || regno == ZERO_REGNUM)
- /* FP_REGNUM on the mips is a hack which is just supposed to read
- zero (see also mips-nat.c). */
+ if (regno == DEPRECATED_FP_REGNUM || regno == ZERO_REGNUM)
+ /* DEPRECATED_FP_REGNUM on the mips is a hack which is just
+ supposed to read zero (see also mips-nat.c). */
val = 0;
else
{
}
{
- char buf[MAX_REGISTER_RAW_SIZE];
+ char buf[MAX_REGISTER_SIZE];
/* 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);
+ store_unsigned_integer (buf, DEPRECATED_REGISTER_RAW_SIZE (regno), val);
supply_register (regno, buf);
}
}
/* We can write a breakpoint and read the shadow contents in one
operation. */
-/* Insert a breakpoint. On targets that don't have built-in breakpoint
- support, we read the contents of the target location and stash it,
- then overwrite it with a breakpoint instruction. ADDR is the target
- location in the target machine. CONTENTS_CACHE is a pointer to
- memory allocated for saving the target contents. It is guaranteed
- by the caller to be long enough to save sizeof BREAKPOINT bytes (this
- is accomplished via BREAKPOINT_MAX). */
+/* Insert a breakpoint. On targets that don't have built-in
+ breakpoint support, we read the contents of the target location and
+ stash it, then overwrite it with a breakpoint instruction. ADDR is
+ the target location in the target machine. CONTENTS_CACHE is a
+ pointer to memory allocated for saving the target contents. It is
+ guaranteed by the caller to be long enough to save the breakpoint
+ length returned by BREAKPOINT_FROM_PC. */
static int
mips_insert_breakpoint (CORE_ADDR addr, char *contents_cache)
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. */
-
-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. */
-
-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;
}
printf_filtered ("Received packet: %s\n", buf);
}
\f
+extern initialize_file_ftype _initialize_remote_mips; /* -Wmissing-prototypes */
+
void
_initialize_remote_mips (void)
{
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;
projects / deliverable / binutils-gdb.git / blobdiff