#include "gdbthread.h"
#include "remote.h"
-#include "dcache.h"
-
#include <ctype.h>
#include <sys/time.h>
#ifdef USG
static void show_packet_config_cmd (struct packet_config *config);
-static void set_packet_config_cmd (struct packet_config *config,
- struct cmd_list_element *c);
-
-static void add_packet_config_cmd (struct packet_config *config,
- char *name,
- char *title,
- void (*set_func) (char *args, int from_tty,
- struct cmd_list_element *
- c),
- void (*show_func) (char *name,
- int from_tty),
- struct cmd_list_element **setlist,
- struct cmd_list_element **showlist);
-
-static void init_packet_config (struct packet_config *config);
-
-static void set_remote_protocol_P_packet_cmd (char *args,
- int from_tty,
- struct cmd_list_element *c);
-
-static void show_remote_protocol_P_packet_cmd (char *args, int from_tty);
-
-static void set_remote_protocol_Z_packet_cmd (char *args,
- int from_tty,
- struct cmd_list_element *c);
-
-static void show_remote_protocol_Z_packet_cmd (char *args, int from_tty);
-
-
-
+static void update_packet_config (struct packet_config *config);
/* Define the target subroutine names */
enum packet_support support;
};
+/* Analyze a packet's return value and update the packet config
+ accordingly. */
+
+enum packet_result
+{
+ PACKET_ERROR,
+ PACKET_OK,
+ PACKET_UNKNOWN
+};
+
static void
-set_packet_config_cmd (struct packet_config *config, struct cmd_list_element *c)
+update_packet_config (struct packet_config *config)
{
- init_packet_config (config);
+ switch (config->detect)
+ {
+ case CMD_AUTO_BOOLEAN_TRUE:
+ config->support = PACKET_ENABLE;
+ break;
+ case CMD_AUTO_BOOLEAN_FALSE:
+ config->support = PACKET_DISABLE;
+ break;
+ case CMD_AUTO_BOOLEAN_AUTO:
+ config->support = PACKET_SUPPORT_UNKNOWN;
+ break;
+ }
}
static void
}
static void
-add_packet_config_cmd (config, name, title, set_func, show_func,
- setlist, showlist)
- struct packet_config *config;
- char *name;
- char *title;
- void (*set_func) (char *args, int from_tty, struct cmd_list_element * c);
- void (*show_func) (char *name, int from_tty);
- struct cmd_list_element **setlist;
- struct cmd_list_element **showlist;
-{
- struct cmd_list_element *c;
+add_packet_config_cmd (struct packet_config *config,
+ char *name,
+ char *title,
+ void (*set_func) (char *args, int from_tty,
+ struct cmd_list_element *
+ c),
+ void (*show_func) (char *name,
+ int from_tty),
+ struct cmd_list_element **set_remote_list,
+ struct cmd_list_element **show_remote_list,
+ int legacy)
+{
+ struct cmd_list_element *set_cmd;
+ struct cmd_list_element *show_cmd;
char *set_doc;
char *show_doc;
- char *full_name;
+ char *cmd_name;
config->name = name;
config->title = title;
config->detect = CMD_AUTO_BOOLEAN_AUTO;
config->support = PACKET_SUPPORT_UNKNOWN;
- asprintf (&set_doc, "Set use of remote protocol `%s' (%s) packet",
- name, title);
- asprintf (&show_doc, "Show current use of remote protocol `%s' (%s) packet",
- name, title);
- asprintf (&full_name, "%s-packet", name);
- c = add_set_auto_boolean_cmd (full_name, class_obscure,
- &config->detect, set_doc, setlist);
- c->function.sfunc = set_func;
- add_cmd (full_name, class_obscure, show_func, show_doc, showlist);
+ xasprintf (&set_doc, "Set use of remote protocol `%s' (%s) packet",
+ name, title);
+ xasprintf (&show_doc, "Show current use of remote protocol `%s' (%s) packet",
+ name, title);
+ /* set/show TITLE-packet {auto,on,off} */
+ xasprintf (&cmd_name, "%s-packet", title);
+ set_cmd = add_set_auto_boolean_cmd (cmd_name, class_obscure,
+ &config->detect, set_doc,
+ set_remote_list);
+ set_cmd->function.sfunc = set_func;
+ show_cmd = add_cmd (cmd_name, class_obscure, show_func, show_doc,
+ show_remote_list);
+ /* set/show remote NAME-packet {auto,on,off} -- legacy */
+ if (legacy)
+ {
+ char *legacy_name;
+ xasprintf (&legacy_name, "%s-packet", name);
+ add_alias_cmd (legacy_name, cmd_name, class_obscure, 0,
+ set_remote_list);
+ add_alias_cmd (legacy_name, cmd_name, class_obscure, 0,
+ show_remote_list);
+ }
}
-static void
-init_packet_config (struct packet_config *config)
+static enum packet_result
+packet_ok (const char *buf, struct packet_config *config)
{
- switch (config->detect)
+ if (buf[0] != '\0')
{
- case CMD_AUTO_BOOLEAN_TRUE:
- config->support = PACKET_ENABLE;
- break;
- case CMD_AUTO_BOOLEAN_FALSE:
- config->support = PACKET_DISABLE;
- break;
- case CMD_AUTO_BOOLEAN_AUTO:
- config->support = PACKET_SUPPORT_UNKNOWN;
- break;
+ /* The stub recognized the packet request. Check that the
+ operation succeeded. */
+ switch (config->support)
+ {
+ case PACKET_SUPPORT_UNKNOWN:
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog,
+ "Packet %s (%s) is supported\n",
+ config->name, config->title);
+ config->support = PACKET_ENABLE;
+ break;
+ case PACKET_DISABLE:
+ internal_error ("packet_ok: attempt to use a disabled packet");
+ break;
+ case PACKET_ENABLE:
+ break;
+ }
+ if (buf[0] == 'O' && buf[1] == 'K' && buf[2] == '\0')
+ /* "OK" - definitly OK. */
+ return PACKET_OK;
+ if (buf[0] == 'E'
+ && isxdigit (buf[1]) && isxdigit (buf[2])
+ && buf[3] == '\0')
+ /* "Enn" - definitly an error. */
+ return PACKET_ERROR;
+ /* The packet may or may not be OK. Just assume it is */
+ return PACKET_OK;
+ }
+ else
+ {
+ /* The stub does not support the packet. */
+ switch (config->support)
+ {
+ case PACKET_ENABLE:
+ if (config->detect == CMD_AUTO_BOOLEAN_AUTO)
+ /* If the stub previously indicated that the packet was
+ supported then there is a protocol error.. */
+ error ("Protocol error: %s (%s) conflicting enabled responses.",
+ config->name, config->title);
+ else
+ /* The user set it wrong. */
+ error ("Enabled packet %s (%s) not recognized by stub",
+ config->name, config->title);
+ break;
+ case PACKET_SUPPORT_UNKNOWN:
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog,
+ "Packet %s (%s) is NOT supported\n",
+ config->name, config->title);
+ config->support = PACKET_DISABLE;
+ break;
+ case PACKET_DISABLE:
+ break;
+ }
+ return PACKET_UNKNOWN;
}
}
set_remote_protocol_P_packet_cmd (char *args, int from_tty,
struct cmd_list_element *c)
{
- set_packet_config_cmd (&remote_protocol_P, c);
+ update_packet_config (&remote_protocol_P);
}
static void
show_packet_config_cmd (&remote_protocol_P);
}
-/* Should we try the 'Z' (set breakpoint) request? */
+/* Should we try one of the 'Z' requests? */
+
+enum Z_packet_type
+{
+ Z_PACKET_SOFTWARE_BP,
+ Z_PACKET_HARDWARE_BP,
+ Z_PACKET_WRITE_WP,
+ Z_PACKET_READ_WP,
+ Z_PACKET_ACCESS_WP,
+ NR_Z_PACKET_TYPES
+};
+
+static struct packet_config remote_protocol_Z[NR_Z_PACKET_TYPES];
+
+/* FIXME: Instead of having all these boiler plate functions, the
+ command callback should include a context argument. */
+
+static void
+set_remote_protocol_Z_software_bp_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
+{
+ update_packet_config (&remote_protocol_Z[Z_PACKET_SOFTWARE_BP]);
+}
+
+static void
+show_remote_protocol_Z_software_bp_packet_cmd (char *args, int from_tty)
+{
+ show_packet_config_cmd (&remote_protocol_Z[Z_PACKET_SOFTWARE_BP]);
+}
+
+static void
+set_remote_protocol_Z_hardware_bp_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
+{
+ update_packet_config (&remote_protocol_Z[Z_PACKET_HARDWARE_BP]);
+}
+
+static void
+show_remote_protocol_Z_hardware_bp_packet_cmd (char *args, int from_tty)
+{
+ show_packet_config_cmd (&remote_protocol_Z[Z_PACKET_HARDWARE_BP]);
+}
+
+static void
+set_remote_protocol_Z_write_wp_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
+{
+ update_packet_config (&remote_protocol_Z[Z_PACKET_WRITE_WP]);
+}
+
+static void
+show_remote_protocol_Z_write_wp_packet_cmd (char *args, int from_tty)
+{
+ show_packet_config_cmd (&remote_protocol_Z[Z_PACKET_WRITE_WP]);
+}
+
+static void
+set_remote_protocol_Z_read_wp_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
+{
+ update_packet_config (&remote_protocol_Z[Z_PACKET_READ_WP]);
+}
+
+static void
+show_remote_protocol_Z_read_wp_packet_cmd (char *args, int from_tty)
+{
+ show_packet_config_cmd (&remote_protocol_Z[Z_PACKET_READ_WP]);
+}
+
+static void
+set_remote_protocol_Z_access_wp_packet_cmd (char *args, int from_tty,
+ struct cmd_list_element *c)
+{
+ update_packet_config (&remote_protocol_Z[Z_PACKET_ACCESS_WP]);
+}
+
+static void
+show_remote_protocol_Z_access_wp_packet_cmd (char *args, int from_tty)
+{
+ show_packet_config_cmd (&remote_protocol_Z[Z_PACKET_ACCESS_WP]);
+}
+
+/* For compatibility with older distributions. Provide a ``set remote
+ Z-packet ...'' command that updates all the Z packet types. */
-static struct packet_config remote_protocol_Z;
+static enum cmd_auto_boolean remote_Z_packet_detect;
static void
set_remote_protocol_Z_packet_cmd (char *args, int from_tty,
struct cmd_list_element *c)
{
- set_packet_config_cmd (&remote_protocol_Z, c);
+ int i;
+ for (i = 0; i < NR_Z_PACKET_TYPES; i++)
+ {
+ remote_protocol_Z[i].detect = remote_Z_packet_detect;
+ update_packet_config (&remote_protocol_Z[i]);
+ }
}
static void
show_remote_protocol_Z_packet_cmd (char *args, int from_tty)
{
- show_packet_config_cmd (&remote_protocol_Z);
+ int i;
+ for (i = 0; i < NR_Z_PACKET_TYPES; i++)
+ {
+ show_packet_config_cmd (&remote_protocol_Z[i]);
+ }
}
/* Should we try the 'X' (remote binary download) packet?
int from_tty,
struct cmd_list_element *c)
{
- set_packet_config_cmd (&remote_protocol_binary_download, c);
+ update_packet_config (&remote_protocol_binary_download);
}
static void
offs = (struct section_offsets *) alloca (SIZEOF_SECTION_OFFSETS);
memcpy (offs, symfile_objfile->section_offsets, SIZEOF_SECTION_OFFSETS);
- ANOFFSET (offs, SECT_OFF_TEXT (symfile_objfile)) = text_addr;
+ offs->offsets[SECT_OFF_TEXT (symfile_objfile)] = text_addr;
/* This is a temporary kludge to force data and bss to use the same offsets
because that's what nlmconv does now. The real solution requires changes
to the stub and remote.c that I don't have time to do right now. */
- ANOFFSET (offs, SECT_OFF_DATA (symfile_objfile)) = data_addr;
- ANOFFSET (offs, SECT_OFF_BSS (symfile_objfile)) = data_addr;
+ offs->offsets[SECT_OFF_DATA (symfile_objfile)] = data_addr;
+ offs->offsets[SECT_OFF_BSS (symfile_objfile)] = data_addr;
objfile_relocate (symfile_objfile, offs);
}
offs = (struct section_offsets *) alloca (SIZEOF_SECTION_OFFSETS);
memcpy (offs, symfile_objfile->section_offsets, SIZEOF_SECTION_OFFSETS);
- ANOFFSET (offs, SECT_OFF_TEXT (symfile_objfile)) = text_off;
- ANOFFSET (offs, SECT_OFF_DATA (symfile_objfile)) = data_off;
- ANOFFSET (offs, SECT_OFF_BSS (symfile_objfile)) = bss_off;
+ offs->offsets[SECT_OFF_TEXT (symfile_objfile)] = text_off;
+ offs->offsets[SECT_OFF_DATA (symfile_objfile)] = data_off;
+ offs->offsets[SECT_OFF_BSS (symfile_objfile)] = bss_off;
/* First call the standard objfile_relocate. */
objfile_relocate (symfile_objfile, offs);
static int
remote_start_remote (PTR dummy)
{
- immediate_quit = 1; /* Allow user to interrupt it */
+ immediate_quit++; /* Allow user to interrupt it */
/* Ack any packet which the remote side has already sent. */
SERIAL_WRITE (remote_desc, "+", 1);
get_offsets (); /* Get text, data & bss offsets */
putpkt ("?"); /* initiate a query from remote machine */
- immediate_quit = 0;
+ immediate_quit--;
return remote_start_remote_dummy (dummy);
}
/* Generic code for opening a connection to a remote target. */
-static DCACHE *remote_dcache;
+static void
+init_all_packet_configs (void)
+{
+ int i;
+ update_packet_config (&remote_protocol_P);
+ for (i = 0; i < NR_Z_PACKET_TYPES; i++)
+ update_packet_config (&remote_protocol_Z[i]);
+ /* Force remote_write_bytes to check whether target supports binary
+ downloading. */
+ update_packet_config (&remote_protocol_binary_download);
+}
static void
remote_open_1 (char *name, int from_tty, struct target_ops *target,
unpush_target (target);
- remote_dcache = dcache_init (remote_read_bytes, remote_write_bytes);
-
remote_desc = SERIAL_OPEN (name);
if (!remote_desc)
perror_with_name (name);
}
push_target (target); /* Switch to using remote target now */
- init_packet_config (&remote_protocol_P);
- init_packet_config (&remote_protocol_Z);
+ init_all_packet_configs ();
general_thread = -2;
continue_thread = -2;
- /* Force remote_write_bytes to check whether target supports
- binary downloading. */
- init_packet_config (&remote_protocol_binary_download);
-
/* Probe for ability to use "ThreadInfo" query, as required. */
use_threadinfo_query = 1;
use_threadextra_query = 1;
unpush_target (target);
- remote_dcache = dcache_init (remote_read_bytes, remote_write_bytes);
-
remote_desc = SERIAL_OPEN (name);
if (!remote_desc)
perror_with_name (name);
push_target (target); /* Switch to using remote target now */
- init_packet_config (&remote_protocol_P);
- init_packet_config (&remote_protocol_Z);
+ init_all_packet_configs ();
general_thread = -2;
continue_thread = -2;
- /* Force remote_write_bytes to check whether target supports
- binary downloading. */
- init_packet_config (&remote_protocol_binary_download);
-
/* Probe for ability to use "ThreadInfo" query, as required. */
use_threadinfo_query = 1;
use_threadextra_query = 1;
/* FIXME: cagney/1999-09-23: During the initial connection it is
assumed that the target is already ready and able to respond to
- requests. Unfortunatly remote_start_remote() eventually calls
+ requests. Unfortunately remote_start_remote() eventually calls
wait_for_inferior() with no timeout. wait_forever_enabled_p gets
around this. Eventually a mechanism that allows
wait_for_inferior() to expect/get timeouts will be
else
set_thread (pid, 0); /* run this thread */
- dcache_flush (remote_dcache);
-
last_sent_signal = siggnal;
last_sent_step = step;
else
set_thread (pid, 0); /* run this thread */
- dcache_flush (remote_dcache);
-
last_sent_signal = siggnal;
last_sent_step = step;
todo = min (len, max_buf_size / 2);
break;
case PACKET_SUPPORT_UNKNOWN:
- internal_error ("remote_write_bytes: bad switch");
+ internal_error ("%s:%d: remote_write_bytes: bad internal state",
+ __FILE__, __LINE__);
+ default:
+ internal_error ("%s:%d: bad switch", __FILE__, __LINE__);
}
/* Append <memaddr> */
*p = '\0';
break;
case PACKET_SUPPORT_UNKNOWN:
- internal_error ("remote_write_bytes: bad switch");
+ internal_error ("%s:%d: remote_write_bytes: bad internal state",
+ __FILE__, __LINE__);
+ default:
+ internal_error ("%s:%d: bad switch", __FILE__, __LINE__);
}
putpkt_binary (buf, (int) (p - buf));
/* Read or write LEN bytes from inferior memory at MEMADDR,
transferring to or from debugger address BUFFER. Write to inferior if
SHOULD_WRITE is nonzero. Returns length of data written or read; 0
- for error. */
+ for error. TARGET is unused. */
/* ARGSUSED */
static int
-remote_xfer_memory (mem_addr, buffer, mem_len, should_write, target)
- CORE_ADDR mem_addr;
- char *buffer;
- int mem_len;
- int should_write;
- struct target_ops *target; /* ignored */
+remote_xfer_memory (CORE_ADDR mem_addr, char *buffer, int mem_len,
+ int should_write, struct target_ops *target)
{
CORE_ADDR targ_addr;
int targ_len;
+ int res;
+
REMOTE_TRANSLATE_XFER_ADDRESS (mem_addr, mem_len, &targ_addr, &targ_len);
if (targ_len <= 0)
return 0;
- return dcache_xfer_memory (remote_dcache, targ_addr, buffer,
- targ_len, should_write);
+ if (should_write)
+ res = remote_write_bytes (targ_addr, buffer, targ_len);
+ else
+ res = remote_read_bytes (targ_addr, buffer, targ_len);
+
+ return res;
}
/* Enable after 4.12. */
void
-remote_search (len, data, mask, startaddr, increment, lorange, hirange
- addr_found, data_found)
- int len;
- char *data;
- char *mask;
- CORE_ADDR startaddr;
- int increment;
- CORE_ADDR lorange;
- CORE_ADDR hirange;
- CORE_ADDR *addr_found;
- char *data_found;
+remote_search (int len, char *data, char *mask, CORE_ADDR startaddr,
+ int increment, CORE_ADDR lorange, CORE_ADDR hirange,
+ CORE_ADDR *addr_found, char *data_found)
{
if (increment == -4 && len == 4)
{
break; /* Retransmit buffer */
case '$':
{
+ if (remote_debug)
+ fprintf_unfiltered (gdb_stdlog, "Packet instead of Ack, ignoring it\n");
/* It's probably an old response, and we're out of sync.
Just gobble up the packet and ignore it. */
- getpkt (junkbuf, sizeof_junkbuf, 0);
+ read_frame (junkbuf, sizeof_junkbuf);
continue; /* Now, go look for + */
}
default:
case '#':
{
unsigned char pktcsum;
+ int check_0 = 0;
+ int check_1 = 0;
buf[bc] = '\0';
- pktcsum = fromhex (readchar (remote_timeout)) << 4;
- pktcsum |= fromhex (readchar (remote_timeout));
+ check_0 = readchar (remote_timeout);
+ if (check_0 >= 0)
+ check_1 = readchar (remote_timeout);
+
+ if (check_0 == SERIAL_TIMEOUT || check_1 == SERIAL_TIMEOUT)
+ {
+ if (remote_debug)
+ fputs_filtered ("Timeout in checksum, retrying\n", gdb_stdlog);
+ return -1;
+ }
+ else if (check_0 < 0 || check_1 < 0)
+ {
+ if (remote_debug)
+ fputs_filtered ("Communication error in checksum\n", gdb_stdlog);
+ return -1;
+ }
+ pktcsum = (fromhex (check_0) << 4) | fromhex (check_1);
if (csum == pktcsum)
return bc;
#endif
int bp_size;
- /* Try the "Z" packet if it is not already disabled.
- If it succeeds, then set the support to PACKET_ENABLE.
- If it fails, and the user has explicitly requested the Z support
- then report an error, otherwise, mark it disabled and go on. */
+ /* Try the "Z" s/w breakpoint packet if it is not already disabled.
+ If it succeeds, then set the support to PACKET_ENABLE. If it
+ fails, and the user has explicitly requested the Z support then
+ report an error, otherwise, mark it disabled and go on. */
- if ((remote_protocol_Z.support == PACKET_ENABLE)
- || (remote_protocol_Z.support == PACKET_SUPPORT_UNKNOWN))
+ if (remote_protocol_Z[Z_PACKET_SOFTWARE_BP].support != PACKET_DISABLE)
{
char *buf = alloca (PBUFSIZ);
char *p = buf;
putpkt (buf);
getpkt (buf, PBUFSIZ, 0);
- if (buf[0] != '\0')
- {
- remote_protocol_Z.support = PACKET_ENABLE;
- return (buf[0] == 'E');
- }
-
- /* The stub does not support the 'Z' request. If the user has
- explicitly requested the Z support, or if the stub previously
- said it supported the packet, this is an error,
- otherwise, mark it disabled. */
-
- else if (remote_protocol_Z.support == PACKET_ENABLE)
- {
- error ("Protocol error: Z packet not recognized by stub");
- }
- else
+ switch (packet_ok (buf, &remote_protocol_Z[Z_PACKET_SOFTWARE_BP]))
{
- remote_protocol_Z.support = PACKET_DISABLE;
+ case PACKET_ERROR:
+ return -1;
+ case PACKET_OK:
+ return 0;
+ case PACKET_UNKNOWN:
+ break;
}
}
{
int bp_size;
- if ((remote_protocol_Z.support == PACKET_ENABLE)
- || (remote_protocol_Z.support == PACKET_SUPPORT_UNKNOWN))
+ if (remote_protocol_Z[Z_PACKET_SOFTWARE_BP].support != PACKET_DISABLE)
{
char *buf = alloca (PBUFSIZ);
char *p = buf;
#endif /* REMOTE_BREAKPOINT */
}
-#ifdef TARGET_HAS_HARDWARE_WATCHPOINTS
+static int
+watchpoint_to_Z_packet (int type)
+{
+ switch (type)
+ {
+ case hw_write:
+ return 2;
+ break;
+ case hw_read:
+ return 3;
+ break;
+ case hw_access:
+ return 4;
+ break;
+ default:
+ internal_error ("hw_bp_to_z: bad watchpoint type %d", type);
+ }
+}
+
+/* FIXME: This function should be static and a member of the remote
+ target vector. */
+
int
remote_insert_watchpoint (CORE_ADDR addr, int len, int type)
{
char *buf = alloca (PBUFSIZ);
char *p;
+ enum Z_packet_type packet = watchpoint_to_Z_packet (type);
- if (remote_protocol_Z.support == PACKET_DISABLE)
- error ("Can't set hardware watchpoints without the 'Z' packet\n");
+ if (remote_protocol_Z[packet].support == PACKET_DISABLE)
+ error ("Can't set hardware watchpoints without the '%s' (%s) packet\n",
+ remote_protocol_Z[packet].name,
+ remote_protocol_Z[packet].title);
- sprintf (buf, "Z%x,", type + 2 );
+ sprintf (buf, "Z%x,", packet);
p = strchr (buf, '\0');
addr = remote_address_masked (addr);
p += hexnumstr (p, (ULONGEST) addr);
putpkt (buf);
getpkt (buf, PBUFSIZ, 0);
- if (buf[0] == '\0' || buf [0] == 'E')
- return -1;
-
- return 0;
+ switch (packet_ok (buf, &remote_protocol_Z[packet]))
+ {
+ case PACKET_ERROR:
+ case PACKET_UNKNOWN:
+ return -1;
+ case PACKET_OK:
+ return 0;
+ }
+ internal_error ("remote_insert_watchpoint: reached end of function");
}
+/* FIXME: This function should be static and a member of the remote
+ target vector. */
+
int
remote_remove_watchpoint (CORE_ADDR addr, int len, int type)
{
char *buf = alloca (PBUFSIZ);
char *p;
+ enum Z_packet_type packet = watchpoint_to_Z_packet (type);
+
+ if (remote_protocol_Z[packet].support == PACKET_DISABLE)
+ error ("Can't clear hardware watchpoints without the '%s' (%s) packet\n",
+ remote_protocol_Z[packet].name,
+ remote_protocol_Z[packet].title);
- sprintf (buf, "z%x,", type + 2 );
+ sprintf (buf, "z%x,", packet);
p = strchr (buf, '\0');
addr = remote_address_masked (addr);
p += hexnumstr (p, (ULONGEST) addr);
putpkt (buf);
getpkt (buf, PBUFSIZ, 0);
- if (buf[0] == '\0' || buf [0] == 'E')
- return -1;
-
- return 0;
+ switch (packet_ok (buf, &remote_protocol_Z[packet]))
+ {
+ case PACKET_ERROR:
+ case PACKET_UNKNOWN:
+ return -1;
+ case PACKET_OK:
+ return 0;
+ }
+ internal_error ("remote_remove_watchpoint: reached end of function");
}
+/* FIXME: This function should be static and a member of the remote
+ target vector. */
+
int
remote_insert_hw_breakpoint (CORE_ADDR addr, int len)
{
char *buf = alloca (PBUFSIZ);
char *p = buf;
- if (remote_protocol_Z.support == PACKET_DISABLE)
- error ("Can't set hardware breakpoints without the 'Z' packet\n");
-
+ if (remote_protocol_Z[Z_PACKET_HARDWARE_BP].support == PACKET_DISABLE)
+ error ("Can't set hardware breakpoint without the '%s' (%s) packet\n",
+ remote_protocol_Z[Z_PACKET_HARDWARE_BP].name,
+ remote_protocol_Z[Z_PACKET_HARDWARE_BP].title);
+
*(p++) = 'Z';
*(p++) = '1';
*(p++) = ',';
putpkt (buf);
getpkt (buf, PBUFSIZ, 0);
- if (buf[0] == '\0' || buf [0] == 'E')
- return -1;
-
- return 0;
+ switch (packet_ok (buf, &remote_protocol_Z[Z_PACKET_HARDWARE_BP]))
+ {
+ case PACKET_ERROR:
+ case PACKET_UNKNOWN:
+ return -1;
+ case PACKET_OK:
+ return 0;
+ }
+ internal_error ("remote_remove_watchpoint: reached end of function");
}
+/* FIXME: This function should be static and a member of the remote
+ target vector. */
+
int
remote_remove_hw_breakpoint (CORE_ADDR addr, int len)
{
char *buf = alloca (PBUFSIZ);
char *p = buf;
+ if (remote_protocol_Z[Z_PACKET_HARDWARE_BP].support == PACKET_DISABLE)
+ error ("Can't clear hardware breakpoint without the '%s' (%s) packet\n",
+ remote_protocol_Z[Z_PACKET_HARDWARE_BP].name,
+ remote_protocol_Z[Z_PACKET_HARDWARE_BP].title);
+
*(p++) = 'z';
*(p++) = '1';
*(p++) = ',';
putpkt(buf);
getpkt (buf, PBUFSIZ, 0);
- if (buf[0] == '\0' || buf [0] == 'E')
- return -1;
-
- return 0;
+ switch (packet_ok (buf, &remote_protocol_Z[Z_PACKET_HARDWARE_BP]))
+ {
+ case PACKET_ERROR:
+ case PACKET_UNKNOWN:
+ return -1;
+ case PACKET_OK:
+ return 0;
+ }
+ internal_error ("remote_remove_watchpoint: reached end of function");
}
-#endif
/* Some targets are only capable of doing downloads, and afterwards
they switch to the remote serial protocol. This function provides
unpush_target (&remote_cisco_ops);
- remote_dcache = dcache_init (remote_read_bytes, remote_write_bytes);
-
remote_desc = SERIAL_OPEN (name);
if (!remote_desc)
perror_with_name (name);
push_target (&remote_cisco_ops); /* Switch to using cisco target now */
- init_packet_config (&remote_protocol_P);
- init_packet_config (&remote_protocol_Z);
+ init_all_packet_configs ();
general_thread = -2;
continue_thread = -2;
- /* Force remote_write_bytes to check whether target supports
- binary downloading. */
- init_packet_config (&remote_protocol_binary_download);
-
/* Probe for ability to use "ThreadInfo" query, as required. */
use_threadinfo_query = 1;
use_threadextra_query = 1;
}
+static void
+show_remote_cmd (char *args, int from_tty)
+{
+ show_remote_protocol_Z_packet_cmd (args, from_tty);
+ show_remote_protocol_P_packet_cmd (args, from_tty);
+ show_remote_protocol_binary_download_cmd (args, from_tty);
+}
static void
build_remote_gdbarch_data (void)
init_remote_threadtests ();
#endif
+ /* set/show remote ... */
+
add_prefix_cmd ("remote", class_maintenance, set_remote_cmd, "\
Remote protocol specific variables\n\
Configure various remote-protocol specific variables such as\n\
the packets being used",
&remote_set_cmdlist, "set remote ",
0/*allow-unknown*/, &setlist);
- add_prefix_cmd ("remote", class_maintenance, set_remote_cmd, "\
+ add_prefix_cmd ("remote", class_maintenance, show_remote_cmd, "\
Remote protocol specific variables\n\
Configure various remote-protocol specific variables such as\n\
the packets being used",
add_cmd ("remotewritesize", no_class, set_memory_write_packet_size,
"Set the maximum number of bytes per memory write packet (deprecated).\n",
&setlist);
- add_cmd ("remotewritesize", no_class, set_memory_write_packet_size,
+ add_cmd ("remotewritesize", no_class, show_memory_write_packet_size,
"Show the maximum number of bytes per memory write packet (deprecated).\n",
&showlist);
add_cmd ("memory-write-packet-size", no_class,
"X", "binary-download",
set_remote_protocol_binary_download_cmd,
show_remote_protocol_binary_download_cmd,
- &remote_set_cmdlist, &remote_show_cmdlist);
+ &remote_set_cmdlist, &remote_show_cmdlist,
+ 1);
#if 0
/* XXXX - should ``set remotebinarydownload'' be retained for
compatibility. */
add_info ("remote-process", remote_info_process,
"Query the remote system for process info.");
- add_packet_config_cmd (&remote_protocol_P, "P", "set-register",
+ add_packet_config_cmd (&remote_protocol_P,
+ "P", "set-register",
set_remote_protocol_P_packet_cmd,
show_remote_protocol_P_packet_cmd,
- &remote_set_cmdlist, &remote_show_cmdlist);
-
- add_packet_config_cmd (&remote_protocol_Z, "Z", "breakpoint",
- set_remote_protocol_Z_packet_cmd,
- show_remote_protocol_Z_packet_cmd,
- &remote_set_cmdlist, &remote_show_cmdlist);
+ &remote_set_cmdlist, &remote_show_cmdlist,
+ 1);
+
+ add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_SOFTWARE_BP],
+ "Z0", "software-breakpoint",
+ set_remote_protocol_Z_software_bp_packet_cmd,
+ show_remote_protocol_Z_software_bp_packet_cmd,
+ &remote_set_cmdlist, &remote_show_cmdlist,
+ 0);
+
+ add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_HARDWARE_BP],
+ "Z1", "hardware-breakpoint",
+ set_remote_protocol_Z_hardware_bp_packet_cmd,
+ show_remote_protocol_Z_hardware_bp_packet_cmd,
+ &remote_set_cmdlist, &remote_show_cmdlist,
+ 0);
+
+ add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_WRITE_WP],
+ "Z2", "write-watchpoint",
+ set_remote_protocol_Z_write_wp_packet_cmd,
+ show_remote_protocol_Z_write_wp_packet_cmd,
+ &remote_set_cmdlist, &remote_show_cmdlist,
+ 0);
+
+ add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_READ_WP],
+ "Z3", "read-watchpoint",
+ set_remote_protocol_Z_read_wp_packet_cmd,
+ show_remote_protocol_Z_read_wp_packet_cmd,
+ &remote_set_cmdlist, &remote_show_cmdlist,
+ 0);
+
+ add_packet_config_cmd (&remote_protocol_Z[Z_PACKET_ACCESS_WP],
+ "Z4", "access-watchpoint",
+ set_remote_protocol_Z_access_wp_packet_cmd,
+ show_remote_protocol_Z_access_wp_packet_cmd,
+ &remote_set_cmdlist, &remote_show_cmdlist,
+ 0);
+
+ /* Keep the old ``set remote Z-packet ...'' working. */
+ tmpcmd = add_set_auto_boolean_cmd ("Z-packet", class_obscure,
+ &remote_Z_packet_detect,
+ "\
+Set use of remote protocol `Z' packets", &remote_set_cmdlist);
+ tmpcmd->function.sfunc = set_remote_protocol_Z_packet_cmd;
+ add_cmd ("Z-packet", class_obscure, show_remote_protocol_Z_packet_cmd,
+ "Show use of remote protocol `Z' packets ",
+ &remote_show_cmdlist);
}
projects / deliverable / binutils-gdb.git / blobdiff