X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fmonitor.c;h=79fa1ba88d8e470d7376605ae67eef178a90aebf;hb=fcf250e2bae3e6053af11b2e42bd59dcd3762ab3;hp=90e82f3e61bbd780e05f0b3bac3f80976c911757;hpb=29e5738069326d025cb0aecc2aab25186ef669b8;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/monitor.c b/gdb/monitor.c index 90e82f3e61..79fa1ba88d 100644 --- a/gdb/monitor.c +++ b/gdb/monitor.c @@ -1,5 +1,9 @@ /* Remote debugging interface for boot monitors, for GDB. - Copyright 1990-1993, 1995-1997, 1999-2000, 2001 Free Software Foundation, Inc. + + Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, + 2000, 2001, 2002, 2006, 2007, 2008, 2009, 2010, 2011 + Free Software Foundation, Inc. + Contributed by Cygnus Support. Written by Rob Savoye for Cygnus. Resurrected from the ashes by Stu Grossman. @@ -7,7 +11,7 @@ This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -16,13 +20,11 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + along with this program. If not, see . */ -/* This file was derived from various remote-* modules. It is a collection +/* This file was derived from various remote-* modules. It is a collection of generic support functions so GDB can talk directly to a ROM based - monitor. This saves use from having to hack an exception based handler + monitor. This saves use from having to hack an exception based handler into existence, and makes for quick porting. This module talks to a debug monitor called 'MONITOR', which @@ -40,7 +42,7 @@ #include "defs.h" #include "gdbcore.h" #include "target.h" -#include "gdb_wait.h" +#include "exceptions.h" #include #include #include "gdb_string.h" @@ -52,65 +54,30 @@ #include "inferior.h" #include "gdb_regex.h" #include "srec.h" +#include "regcache.h" +#include "gdbthread.h" static char *dev_name; static struct target_ops *targ_ops; -static void monitor_vsprintf (char *sndbuf, char *pattern, va_list args); - -static int readchar (int timeout); - -static void monitor_fetch_register (int regno); -static void monitor_store_register (int regno); - -static void monitor_printable_string (char *newstr, char *oldstr, int len); -static void monitor_error (char *function, char *message, CORE_ADDR memaddr, int len, char *string, int final_char); -static void monitor_detach (char *args, int from_tty); -static void monitor_resume (int pid, int step, enum target_signal sig); -static void monitor_interrupt (int signo); -static void monitor_interrupt_twice (int signo); static void monitor_interrupt_query (void); -static void monitor_wait_cleanup (void *old_timeout); - -static int monitor_wait (int pid, struct target_waitstatus *status); -static void monitor_fetch_registers (int regno); -static void monitor_store_registers (int regno); -static void monitor_prepare_to_store (void); -static int monitor_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, - int write, - struct mem_attrib *attrib, - struct target_ops *target); -static void monitor_files_info (struct target_ops *ops); -static int monitor_insert_breakpoint (CORE_ADDR addr, char *shadow); -static int monitor_remove_breakpoint (CORE_ADDR addr, char *shadow); -static void monitor_kill (void); -static void monitor_load (char *file, int from_tty); -static void monitor_mourn_inferior (void); -static void monitor_stop (void); - -static int monitor_read_memory (CORE_ADDR addr, char *myaddr, int len); -static int monitor_write_memory (CORE_ADDR addr, char *myaddr, int len); -static int monitor_write_memory_bytes (CORE_ADDR addr, char *myaddr, int len); -static int monitor_write_memory_block (CORE_ADDR memaddr, - char *myaddr, int len); -static int monitor_expect_regexp (struct re_pattern_buffer *pat, - char *buf, int buflen); -static void monitor_dump_regs (void); +static void monitor_interrupt_twice (int); +static void monitor_stop (ptid_t); +static void monitor_dump_regs (struct regcache *regcache); + #if 0 static int from_hex (int a); -static unsigned long get_hex_word (void); #endif -static void parse_register_dump (char *, int); static struct monitor_ops *current_monitor; -static int hashmark; /* flag set by "set hash" */ +static int hashmark; /* flag set by "set hash". */ static int timeout = 30; -static int in_monitor_wait = 0; /* Non-zero means we are in monitor_wait() */ +static int in_monitor_wait = 0; /* Non-zero means we are in monitor_wait(). */ -static void (*ofunc) (); /* Old SIGINT signal handler */ +static void (*ofunc) (); /* Old SIGINT signal handler. */ static CORE_ADDR *breakaddr; @@ -118,9 +85,9 @@ static CORE_ADDR *breakaddr; that monitor_open knows that we don't have a file open when the program starts. */ -static serial_t monitor_desc = NULL; +static struct serial *monitor_desc = NULL; -/* Pointer to regexp pattern matching data */ +/* Pointer to regexp pattern matching data. */ static struct re_pattern_buffer register_pattern; static char register_fastmap[256]; @@ -128,24 +95,38 @@ static char register_fastmap[256]; static struct re_pattern_buffer getmem_resp_delim_pattern; static char getmem_resp_delim_fastmap[256]; +static struct re_pattern_buffer setmem_resp_delim_pattern; +static char setmem_resp_delim_fastmap[256]; + +static struct re_pattern_buffer setreg_resp_delim_pattern; +static char setreg_resp_delim_fastmap[256]; + static int dump_reg_flag; /* Non-zero means do a dump_registers cmd when monitor_wait wakes up. */ -static int first_time = 0; /* is this the first time we're executing after - gaving created the child proccess? */ +static int first_time = 0; /* Is this the first time we're + executing after gaving created the + child proccess? */ + + +/* This is the ptid we use while we're connected to a monitor. Its + value is arbitrary, as monitor targets don't have a notion of + processes or threads, but we need something non-null to place in + inferior_ptid. */ +static ptid_t monitor_ptid; #define TARGET_BUF_SIZE 2048 /* Monitor specific debugging information. Typically only useful to - the developer of a new monitor interface. */ + the developer of a new monitor interface. */ -static void monitor_debug (const char *fmt, ...) ATTR_FORMAT(printf, 1, 2); +static void monitor_debug (const char *fmt, ...) ATTRIBUTE_PRINTF (1, 2); static int monitor_debug_p = 0; /* NOTE: This file alternates between monitor_debug_p and remote_debug - when determining if debug information is printed. Perhaphs this - could be simplified. */ + when determining if debug information is printed. Perhaps this + could be simplified. */ static void monitor_debug (const char *fmt, ...) @@ -153,6 +134,7 @@ monitor_debug (const char *fmt, ...) if (monitor_debug_p) { va_list args; + va_start (args, fmt); vfprintf_filtered (gdb_stdlog, fmt, args); va_end (args); @@ -162,7 +144,7 @@ monitor_debug (const char *fmt, ...) /* Convert a string into a printable representation, Return # byte in the new string. When LEN is >0 it specifies the size of the - string. Otherwize strlen(oldstr) is used. */ + string. Otherwize strlen(oldstr) is used. */ static void monitor_printable_string (char *newstr, char *oldstr, int len) @@ -232,12 +214,17 @@ monitor_error (char *function, char *message, { int real_len = (len == 0 && string != (char *) 0) ? strlen (string) : len; char *safe_string = alloca ((real_len * 4) + 1); + monitor_printable_string (safe_string, string, real_len); if (final_char) - error ("%s (0x%s): %s: %s%c", function, paddr_nz (memaddr), message, safe_string, final_char); + error (_("%s (%s): %s: %s%c"), + function, paddress (target_gdbarch, memaddr), + message, safe_string, final_char); else - error ("%s (0x%s): %s: %s", function, paddr_nz (memaddr), message, safe_string); + error (_("%s (%s): %s: %s"), + function, paddress (target_gdbarch, memaddr), + message, safe_string); } /* Convert hex digit A to a number. */ @@ -252,7 +239,7 @@ fromhex (int a) else if (a >= 'A' && a <= 'F') return a - 'A' + 10; else - error ("Invalid hex digit %d", a); + error (_("Invalid hex digit %d"), a); } /* monitor_vsprintf - similar to vsprintf but handles 64-bit addresses @@ -266,12 +253,12 @@ fromhex (int a) If it is a '%s' format, the argument is a string; otherwise the argument is assumed to be a long integer. - %% is also turned into a single %. - */ + %% is also turned into a single %. */ static void monitor_vsprintf (char *sndbuf, char *pattern, va_list args) { + int addr_bit = gdbarch_addr_bit (target_gdbarch); char format[10]; char fmt; char *p; @@ -300,7 +287,7 @@ monitor_vsprintf (char *sndbuf, char *pattern, va_list args) break; case 'A': arg_addr = va_arg (args, CORE_ADDR); - strcpy (sndbuf, paddr_nz (arg_addr)); + strcpy (sndbuf, phex_nz (arg_addr, addr_bit / 8)); break; case 's': arg_string = va_arg (args, char *); @@ -336,11 +323,13 @@ monitor_printf_noecho (char *pattern,...) len = strlen (sndbuf); if (len + 1 > sizeof sndbuf) - abort (); + internal_error (__FILE__, __LINE__, + _("failed internal consistency check")); if (monitor_debug_p) { char *safe_string = (char *) alloca ((strlen (sndbuf) * 4) + 1); + monitor_printable_string (safe_string, sndbuf, 0); fprintf_unfiltered (gdb_stdlog, "sent[%s]\n", safe_string); } @@ -364,21 +353,24 @@ monitor_printf (char *pattern,...) len = strlen (sndbuf); if (len + 1 > sizeof sndbuf) - abort (); + internal_error (__FILE__, __LINE__, + _("failed internal consistency check")); if (monitor_debug_p) { char *safe_string = (char *) alloca ((len * 4) + 1); + monitor_printable_string (safe_string, sndbuf, 0); fprintf_unfiltered (gdb_stdlog, "sent[%s]\n", safe_string); } monitor_write (sndbuf, len); - /* We used to expect that the next immediate output was the characters we - just output, but sometimes some extra junk appeared before the characters - we expected, like an extra prompt, or a portmaster sending telnet negotiations. - So, just start searching for what we sent, and skip anything unknown. */ + /* We used to expect that the next immediate output was the + characters we just output, but sometimes some extra junk appeared + before the characters we expected, like an extra prompt, or a + portmaster sending telnet negotiations. So, just start searching + for what we sent, and skip anything unknown. */ monitor_debug ("ExpectEcho\n"); monitor_expect (sndbuf, (char *) 0, 0); } @@ -389,8 +381,8 @@ monitor_printf (char *pattern,...) void monitor_write (char *buf, int buflen) { - if (SERIAL_WRITE (monitor_desc, buf, buflen)) - fprintf_unfiltered (gdb_stderr, "SERIAL_WRITE failed: %s\n", + if (serial_write (monitor_desc, buf, buflen)) + fprintf_unfiltered (gdb_stderr, "serial_write failed: %s\n", safe_strerror (errno)); } @@ -408,7 +400,7 @@ monitor_readchar (void) do { looping = 0; - c = SERIAL_READCHAR (monitor_desc, timeout); + c = serial_readchar (monitor_desc, timeout); if (c >= 0) c &= 0xff; /* don't lose bit 7 */ @@ -419,9 +411,9 @@ monitor_readchar (void) return c; if (c == SERIAL_TIMEOUT) - error ("Timeout reading from remote system."); + error (_("Timeout reading from remote system.")); - perror_with_name ("remote-monitor"); + perror_with_name (_("remote-monitor")); } @@ -442,16 +434,17 @@ readchar (int timeout) do { looping = 0; - c = SERIAL_READCHAR (monitor_desc, timeout); + c = serial_readchar (monitor_desc, timeout); if (c >= 0) { c &= 0x7f; /* This seems to interfere with proper function of the - input stream */ + input stream. */ if (monitor_debug_p || remote_debug) { char buf[2]; + buf[0] = c; buf[1] = '\0'; puts_debug ("read -->", buf, "<--"); @@ -459,7 +452,7 @@ readchar (int timeout) } - /* Canonicialize \n\r combinations into one \r */ + /* Canonicialize \n\r combinations into one \r. */ if ((current_monitor->flags & MO_HANDLE_NL) != 0) { if ((c == '\r' && state == last_nl) @@ -486,17 +479,17 @@ readchar (int timeout) if (c == SERIAL_TIMEOUT) #if 0 - /* I fail to see how detaching here can be useful */ - if (in_monitor_wait) /* Watchdog went off */ + /* I fail to see how detaching here can be useful. */ + if (in_monitor_wait) /* Watchdog went off. */ { target_mourn_inferior (); - error ("GDB serial timeout has expired. Target detached.\n"); + error (_("GDB serial timeout has expired. Target detached.")); } else #endif - error ("Timeout reading from remote system."); + error (_("Timeout reading from remote system.")); - perror_with_name ("remote-monitor"); + perror_with_name (_("remote-monitor")); } /* Scan input from the remote system, until STRING is found. If BUF is non- @@ -512,7 +505,6 @@ monitor_expect (char *string, char *buf, int buflen) char *p = string; int obuflen = buflen; int c; - extern struct target_ops *targ_ops; if (monitor_debug_p) { @@ -542,7 +534,7 @@ monitor_expect (char *string, char *buf, int buflen) else c = readchar (timeout); - /* Don't expect any ^C sent to be echoed */ + /* Don't expect any ^C sent to be echoed. */ if (*p == '\003' || c == *p) { @@ -560,12 +552,6 @@ monitor_expect (char *string, char *buf, int buflen) return 0; } } - else if ((c == '\021' || c == '\023') && - (STREQ (targ_ops->to_shortname, "m32r") - || STREQ (targ_ops->to_shortname, "mon2000"))) - { /* m32r monitor emits random DC1/DC3 chars */ - continue; - } else { /* We got a character that doesn't match the string. We need to @@ -588,7 +574,7 @@ monitor_expect (char *string, char *buf, int buflen) p, since we know no prefix can be longer than that. Note that we can use STRING itself, along with C, as a record - of what we've received so far. :) */ + of what we've received so far. :) */ int i; for (i = (p - string) - 1; i >= 0; i--) @@ -596,7 +582,7 @@ monitor_expect (char *string, char *buf, int buflen) { /* Is this prefix a suffix of what we've read so far? In other words, does - string[0 .. i-1] == string[p - i, p - 1]? */ + string[0 .. i-1] == string[p - i, p - 1]? */ if (! memcmp (string, p - i, i)) { p = string + i + 1; @@ -616,6 +602,7 @@ monitor_expect_regexp (struct re_pattern_buffer *pat, char *buf, int buflen) { char *mybuf; char *p; + monitor_debug ("MON Expecting regexp\n"); if (buf) mybuf = buf; @@ -631,10 +618,10 @@ monitor_expect_regexp (struct re_pattern_buffer *pat, char *buf, int buflen) int retval; if (p - mybuf >= buflen) - { /* Buffer about to overflow */ + { /* Buffer about to overflow. */ /* On overflow, we copy the upper half of the buffer to the lower half. Not - great, but it usually works... */ + great, but it usually works... */ memcpy (mybuf, mybuf + buflen / 2, buflen / 2); p = mybuf + buflen / 2; @@ -714,13 +701,14 @@ compile_pattern (char *pattern, struct re_pattern_buffer *compiled_pattern, re_set_syntax (tmp); if (val) - error ("compile_pattern: Can't compile pattern string `%s': %s!", pattern, val); + error (_("compile_pattern: Can't compile pattern string `%s': %s!"), + pattern, val); if (fastmap) re_compile_fastmap (compiled_pattern); } -/* Open a connection to a remote debugger. NAME is the filename used +/* Open a connection to a remote debugger. NAME is the filename used for communication. */ void @@ -728,20 +716,21 @@ monitor_open (char *args, struct monitor_ops *mon_ops, int from_tty) { char *name; char **p; + struct inferior *inf; if (mon_ops->magic != MONITOR_OPS_MAGIC) - error ("Magic number of monitor_ops struct wrong."); + error (_("Magic number of monitor_ops struct wrong.")); targ_ops = mon_ops->target; name = targ_ops->to_shortname; if (!args) - error ("Use `target %s DEVICE-NAME' to use a serial port, or \n\ -`target %s HOST-NAME:PORT-NUMBER' to use a network connection.", name, name); + error (_("Use `target %s DEVICE-NAME' to use a serial port, or\n\ +`target %s HOST-NAME:PORT-NUMBER' to use a network connection."), name, name); target_preopen (from_tty); - /* Setup pattern for register dump */ + /* Setup pattern for register dump. */ if (mon_ops->register_pattern) compile_pattern (mon_ops->register_pattern, ®ister_pattern, @@ -751,33 +740,41 @@ monitor_open (char *args, struct monitor_ops *mon_ops, int from_tty) compile_pattern (mon_ops->getmem.resp_delim, &getmem_resp_delim_pattern, getmem_resp_delim_fastmap); + if (mon_ops->setmem.resp_delim) + compile_pattern (mon_ops->setmem.resp_delim, &setmem_resp_delim_pattern, + setmem_resp_delim_fastmap); + + if (mon_ops->setreg.resp_delim) + compile_pattern (mon_ops->setreg.resp_delim, &setreg_resp_delim_pattern, + setreg_resp_delim_fastmap); + unpush_target (targ_ops); if (dev_name) xfree (dev_name); - dev_name = strsave (args); + dev_name = xstrdup (args); - monitor_desc = SERIAL_OPEN (dev_name); + monitor_desc = serial_open (dev_name); if (!monitor_desc) perror_with_name (dev_name); if (baud_rate != -1) { - if (SERIAL_SETBAUDRATE (monitor_desc, baud_rate)) + if (serial_setbaudrate (monitor_desc, baud_rate)) { - SERIAL_CLOSE (monitor_desc); + serial_close (monitor_desc); perror_with_name (dev_name); } } - SERIAL_RAW (monitor_desc); + serial_raw (monitor_desc); - SERIAL_FLUSH_INPUT (monitor_desc); + serial_flush_input (monitor_desc); - /* some systems only work with 2 stop bits */ + /* some systems only work with 2 stop bits. */ - SERIAL_SETSTOPBITS (monitor_desc, mon_ops->stopbits); + serial_setstopbits (monitor_desc, mon_ops->stopbits); current_monitor = mon_ops; @@ -786,7 +783,7 @@ monitor_open (char *args, struct monitor_ops *mon_ops, int from_tty) if (current_monitor->stop) { - monitor_stop (); + monitor_stop (inferior_ptid); if ((current_monitor->flags & MO_NO_ECHO_ON_OPEN) == 0) { monitor_debug ("EXP Open echo\n"); @@ -794,11 +791,11 @@ monitor_open (char *args, struct monitor_ops *mon_ops, int from_tty) } } - /* wake up the monitor and see if it's alive */ + /* wake up the monitor and see if it's alive. */ for (p = mon_ops->init; *p != NULL; p++) { /* Some of the characters we send may not be echoed, - but we hope to get a prompt at the end of it all. */ + but we hope to get a prompt at the end of it all. */ if ((current_monitor->flags & MO_NO_ECHO_ON_OPEN) == 0) monitor_printf (*p); @@ -807,7 +804,7 @@ monitor_open (char *args, struct monitor_ops *mon_ops, int from_tty) monitor_expect_prompt (NULL, 0); } - SERIAL_FLUSH_INPUT (monitor_desc); + serial_flush_input (monitor_desc); /* Alloc breakpoints */ if (mon_ops->set_break != NULL) @@ -815,11 +812,12 @@ monitor_open (char *args, struct monitor_ops *mon_ops, int from_tty) if (mon_ops->num_breakpoints == 0) mon_ops->num_breakpoints = 8; - breakaddr = (CORE_ADDR *) xmalloc (mon_ops->num_breakpoints * sizeof (CORE_ADDR)); + breakaddr = (CORE_ADDR *) + xmalloc (mon_ops->num_breakpoints * sizeof (CORE_ADDR)); memset (breakaddr, 0, mon_ops->num_breakpoints * sizeof (CORE_ADDR)); } - /* Remove all breakpoints */ + /* Remove all breakpoints. */ if (mon_ops->clr_all_break) { @@ -828,17 +826,25 @@ monitor_open (char *args, struct monitor_ops *mon_ops, int from_tty) } if (from_tty) - printf_unfiltered ("Remote target %s connected to %s\n", name, dev_name); + printf_unfiltered (_("Remote target %s connected to %s\n"), + name, dev_name); push_target (targ_ops); - inferior_pid = 42000; /* Make run command think we are busy... */ + /* Start afresh. */ + init_thread_list (); + + /* Make run command think we are busy... */ + inferior_ptid = monitor_ptid; + inf = current_inferior (); + inferior_appeared (inf, ptid_get_pid (inferior_ptid)); + add_thread_silent (inferior_ptid); - /* Give monitor_wait something to read */ + /* Give monitor_wait something to read. */ monitor_printf (current_monitor->line_term); - start_remote (); + start_remote (from_tty); } /* Close out all files and local state before this target loses @@ -848,9 +854,9 @@ void monitor_close (int quitting) { if (monitor_desc) - SERIAL_CLOSE (monitor_desc); + serial_close (monitor_desc); - /* Free breakpoint memory */ + /* Free breakpoint memory. */ if (breakaddr != NULL) { xfree (breakaddr); @@ -858,26 +864,31 @@ monitor_close (int quitting) } monitor_desc = NULL; + + delete_thread_silent (monitor_ptid); + delete_inferior_silent (ptid_get_pid (monitor_ptid)); } /* Terminate the open connection to the remote debugger. Use this when you want to detach and do something else with your gdb. */ static void -monitor_detach (char *args, int from_tty) +monitor_detach (struct target_ops *ops, char *args, int from_tty) { - pop_target (); /* calls monitor_close to do the real work */ + pop_target (); /* calls monitor_close to do the real work. */ if (from_tty) - printf_unfiltered ("Ending remote %s debugging\n", target_shortname); + printf_unfiltered (_("Ending remote %s debugging\n"), target_shortname); } /* Convert VALSTR into the target byte-ordered value of REGNO and store it. */ char * -monitor_supply_register (int regno, char *valstr) +monitor_supply_register (struct regcache *regcache, int regno, char *valstr) { + struct gdbarch *gdbarch = get_regcache_arch (regcache); + enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); ULONGEST val; - unsigned char regbuf[MAX_REGISTER_RAW_SIZE]; + unsigned char regbuf[MAX_REGISTER_SIZE]; char *p; val = 0; @@ -905,15 +916,16 @@ monitor_supply_register (int regno, char *valstr) } monitor_debug ("Supplying Register %d %s\n", regno, valstr); - if (*p != '\0') - error ("monitor_supply_register (%d): bad value from monitor: %s.", + if (val == 0 && valstr == p) + error (_("monitor_supply_register (%d): bad value from monitor: %s."), regno, valstr); - /* supply register stores in target byte order, so swap here */ + /* supply register stores in target byte order, so swap here. */ - store_unsigned_integer (regbuf, REGISTER_RAW_SIZE (regno), val); + store_unsigned_integer (regbuf, register_size (gdbarch, regno), byte_order, + val); - supply_register (regno, regbuf); + regcache_raw_supply (regcache, regno, regbuf); return p; } @@ -921,9 +933,10 @@ monitor_supply_register (int regno, char *valstr) /* Tell the remote machine to resume. */ static void -monitor_resume (int pid, int step, enum target_signal sig) +monitor_resume (struct target_ops *ops, + ptid_t ptid, int step, enum target_signal sig) { - /* Some monitors require a different command when starting a program */ + /* Some monitors require a different command when starting a program. */ monitor_debug ("MON resume\n"); if (current_monitor->flags & MO_RUN_FIRST_TIME && first_time == 1) { @@ -952,13 +965,14 @@ monitor_resume (int pid, int step, enum target_signal sig) string which are passed down to monitor specific code. */ static void -parse_register_dump (char *buf, int len) +parse_register_dump (struct regcache *regcache, char *buf, int len) { monitor_debug ("MON Parsing register dump\n"); while (1) { int regnamelen, vallen; char *regname, *val; + /* Element 0 points to start of register name, and element 1 points to the start of the register value. */ struct re_registers register_strings; @@ -974,7 +988,8 @@ parse_register_dump (char *buf, int len) vallen = register_strings.end[2] - register_strings.start[2]; val = buf + register_strings.start[2]; - current_monitor->supply_register (regname, regnamelen, val, vallen); + current_monitor->supply_register (regcache, regname, regnamelen, + val, vallen); buf += register_strings.end[0]; len -= register_strings.end[0]; @@ -993,7 +1008,7 @@ monitor_interrupt (int signo) if (monitor_debug_p || remote_debug) fprintf_unfiltered (gdb_stdlog, "monitor_interrupt called\n"); - target_stop (); + target_stop (inferior_ptid); } /* The user typed ^C twice. */ @@ -1015,11 +1030,11 @@ monitor_interrupt_query (void) { target_terminal_ours (); - if (query ("Interrupted while waiting for the program.\n\ -Give up (and stop debugging it)? ")) + if (query (_("Interrupted while waiting for the program.\n\ +Give up (and stop debugging it)? "))) { target_mourn_inferior (); - return_to_top_level (RETURN_QUIT); + deprecated_throw_reason (RETURN_QUIT); } target_terminal_inferior (); @@ -1035,26 +1050,28 @@ monitor_wait_cleanup (void *old_timeout) -void +static void monitor_wait_filter (char *buf, int bufmax, int *ext_resp_len, - struct target_waitstatus *status -) + struct target_waitstatus *status) { int resp_len; + do { resp_len = monitor_expect_prompt (buf, bufmax); *ext_resp_len = resp_len; if (resp_len <= 0) - fprintf_unfiltered (gdb_stderr, "monitor_wait: excessive response from monitor: %s.", buf); + fprintf_unfiltered (gdb_stderr, + "monitor_wait: excessive " + "response from monitor: %s.", buf); } while (resp_len < 0); /* Print any output characters that were preceded by ^O. */ - /* FIXME - This would be great as a user settabgle flag */ + /* FIXME - This would be great as a user settabgle flag. */ if (monitor_debug_p || remote_debug || current_monitor->flags & MO_PRINT_PROGRAM_OUTPUT) { @@ -1071,8 +1088,9 @@ monitor_wait_filter (char *buf, /* Wait until the remote machine stops, then return, storing status in status just as `wait' would. */ -static int -monitor_wait (int pid, struct target_waitstatus *status) +static ptid_t +monitor_wait (struct target_ops *ops, + ptid_t ptid, struct target_waitstatus *status, int options) { int old_timeout = timeout; char buf[TARGET_BUF_SIZE]; @@ -1086,11 +1104,11 @@ monitor_wait (int pid, struct target_waitstatus *status) monitor_debug ("MON wait\n"); #if 0 - /* This is somthing other than a maintenance command */ + /* This is somthing other than a maintenance command. */ in_monitor_wait = 1; timeout = watchdog > 0 ? watchdog : -1; #else - timeout = -1; /* Don't time out -- user program is running. */ + timeout = -1; /* Don't time out -- user program is running. */ #endif ofunc = (void (*)()) signal (SIGINT, monitor_interrupt); @@ -1100,18 +1118,20 @@ monitor_wait (int pid, struct target_waitstatus *status) else monitor_wait_filter (buf, sizeof (buf), &resp_len, status); -#if 0 /* Transferred to monitor wait filter */ +#if 0 /* Transferred to monitor wait filter. */ do { resp_len = monitor_expect_prompt (buf, sizeof (buf)); if (resp_len <= 0) - fprintf_unfiltered (gdb_stderr, "monitor_wait: excessive response from monitor: %s.", buf); + fprintf_unfiltered (gdb_stderr, + "monitor_wait: excessive " + "response from monitor: %s.", buf); } while (resp_len < 0); /* Print any output characters that were preceded by ^O. */ - /* FIXME - This would be great as a user settabgle flag */ + /* FIXME - This would be great as a user settabgle flag. */ if (monitor_debug_p || remote_debug || current_monitor->flags & MO_PRINT_PROGRAM_OUTPUT) { @@ -1135,10 +1155,10 @@ monitor_wait (int pid, struct target_waitstatus *status) } if (current_monitor->register_pattern) - parse_register_dump (buf, resp_len); + parse_register_dump (get_current_regcache (), buf, resp_len); #else monitor_debug ("Wait fetching registers after stop\n"); - monitor_dump_regs (); + monitor_dump_regs (get_current_regcache ()); #endif status->kind = TARGET_WAITKIND_STOPPED; @@ -1148,35 +1168,38 @@ monitor_wait (int pid, struct target_waitstatus *status) in_monitor_wait = 0; - return inferior_pid; + return inferior_ptid; } -/* Fetch register REGNO, or all registers if REGNO is -1. Returns +/* Fetch register REGNO, or all registers if REGNO is -1. Returns errno value. */ static void -monitor_fetch_register (int regno) +monitor_fetch_register (struct regcache *regcache, int regno) { - char *name; + const char *name; char *zerobuf; char *regbuf; int i; - regbuf = alloca (MAX_REGISTER_RAW_SIZE * 2 + 1); - zerobuf = alloca (MAX_REGISTER_RAW_SIZE); - memset (zerobuf, 0, MAX_REGISTER_RAW_SIZE); + regbuf = alloca (MAX_REGISTER_SIZE * 2 + 1); + zerobuf = alloca (MAX_REGISTER_SIZE); + memset (zerobuf, 0, MAX_REGISTER_SIZE); - name = current_monitor->regnames[regno]; + if (current_monitor->regname != NULL) + name = current_monitor->regname (regno); + else + name = current_monitor->regnames[regno]; monitor_debug ("MON fetchreg %d '%s'\n", regno, name ? name : "(null name)"); if (!name || (*name == '\0')) { monitor_debug ("No register known for %d\n", regno); - supply_register (regno, zerobuf); + regcache_raw_supply (regcache, regno, zerobuf); return; } - /* send the register examine command */ + /* Send the register examine command. */ monitor_printf (current_monitor->getreg.cmd, name); @@ -1197,17 +1220,19 @@ monitor_fetch_register (int regno) } } - /* Skip leading spaces and "0x" if MO_HEX_PREFIX flag is set */ + /* Skip leading spaces and "0x" if MO_HEX_PREFIX flag is set. */ if (current_monitor->flags & MO_HEX_PREFIX) { int c; + c = readchar (timeout); while (c == ' ') c = readchar (timeout); if ((c == '0') && ((c = readchar (timeout)) == 'x')) ; else - error ("Bad value returned from monitor while fetching register %x.", + error (_("Bad value returned from monitor " + "while fetching register %x."), regno); } @@ -1215,9 +1240,10 @@ monitor_fetch_register (int regno) spaces, but stop reading if something else is seen. Some monitors like to drop leading zeros. */ - for (i = 0; i < REGISTER_RAW_SIZE (regno) * 2; i++) + for (i = 0; i < register_size (get_regcache_arch (regcache), regno) * 2; i++) { int c; + c = readchar (timeout); while (c == ' ') c = readchar (timeout); @@ -1228,7 +1254,7 @@ monitor_fetch_register (int regno) regbuf[i] = c; } - regbuf[i] = '\000'; /* terminate the number */ + regbuf[i] = '\000'; /* Terminate the number. */ monitor_debug ("REGVAL '%s'\n", regbuf); /* If TERM is present, we wait for that to show up. Also, (if TERM @@ -1239,7 +1265,8 @@ monitor_fetch_register (int regno) if (current_monitor->getreg.term) { monitor_debug ("EXP getreg.term\n"); - monitor_expect (current_monitor->getreg.term, NULL, 0); /* get response */ + monitor_expect (current_monitor->getreg.term, NULL, 0); /* Get + response. */ } if (current_monitor->getreg.term_cmd) @@ -1248,89 +1275,99 @@ monitor_fetch_register (int regno) monitor_printf (current_monitor->getreg.term_cmd); } if (!current_monitor->getreg.term || /* Already expected or */ - current_monitor->getreg.term_cmd) /* ack expected */ - monitor_expect_prompt (NULL, 0); /* get response */ + current_monitor->getreg.term_cmd) /* ack expected. */ + monitor_expect_prompt (NULL, 0); /* Get response. */ - monitor_supply_register (regno, regbuf); + monitor_supply_register (regcache, regno, regbuf); } -/* Sometimes, it takes several commands to dump the registers */ +/* Sometimes, it takes several commands to dump the registers. */ /* This is a primitive for use by variations of monitor interfaces in - case they need to compose the operation. - */ + case they need to compose the operation. */ + int -monitor_dump_reg_block (char *block_cmd) +monitor_dump_reg_block (struct regcache *regcache, char *block_cmd) { char buf[TARGET_BUF_SIZE]; int resp_len; + monitor_printf (block_cmd); resp_len = monitor_expect_prompt (buf, sizeof (buf)); - parse_register_dump (buf, resp_len); + parse_register_dump (regcache, buf, resp_len); return 1; } /* Read the remote registers into the block regs. */ -/* Call the specific function if it has been provided */ +/* Call the specific function if it has been provided. */ static void -monitor_dump_regs (void) +monitor_dump_regs (struct regcache *regcache) { char buf[TARGET_BUF_SIZE]; int resp_len; + if (current_monitor->dumpregs) - (*(current_monitor->dumpregs)) (); /* call supplied function */ - else if (current_monitor->dump_registers) /* default version */ + (*(current_monitor->dumpregs)) (regcache); /* Call supplied function. */ + else if (current_monitor->dump_registers) /* Default version. */ { monitor_printf (current_monitor->dump_registers); resp_len = monitor_expect_prompt (buf, sizeof (buf)); - parse_register_dump (buf, resp_len); + parse_register_dump (regcache, buf, resp_len); } else - abort (); /* Need some way to read registers */ + /* Need some way to read registers. */ + internal_error (__FILE__, __LINE__, + _("failed internal consistency check")); } static void -monitor_fetch_registers (int regno) +monitor_fetch_registers (struct target_ops *ops, + struct regcache *regcache, int regno) { monitor_debug ("MON fetchregs\n"); if (current_monitor->getreg.cmd) { if (regno >= 0) { - monitor_fetch_register (regno); + monitor_fetch_register (regcache, regno); return; } - for (regno = 0; regno < NUM_REGS; regno++) - monitor_fetch_register (regno); + for (regno = 0; regno < gdbarch_num_regs (get_regcache_arch (regcache)); + regno++) + monitor_fetch_register (regcache, regno); } else { - monitor_dump_regs (); + monitor_dump_regs (regcache); } } /* Store register REGNO, or all if REGNO == 0. Return errno value. */ static void -monitor_store_register (int regno) +monitor_store_register (struct regcache *regcache, int regno) { - char *name; + int reg_size = register_size (get_regcache_arch (regcache), regno); + const char *name; ULONGEST val; - - name = current_monitor->regnames[regno]; + + if (current_monitor->regname != NULL) + name = current_monitor->regname (regno); + else + name = current_monitor->regnames[regno]; + if (!name || (*name == '\0')) { monitor_debug ("MON Cannot store unknown register\n"); return; } - val = read_register (regno); - monitor_debug ("MON storeg %d %s\n", regno, - phex (val, REGISTER_RAW_SIZE (regno))); + regcache_cooked_read_unsigned (regcache, regno, &val); + monitor_debug ("MON storeg %d %s\n", regno, phex (val, reg_size)); - /* send the register deposit command */ + /* Send the register deposit command. */ if (current_monitor->flags & MO_REGISTER_VALUE_FIRST) monitor_printf (current_monitor->setreg.cmd, val, name); @@ -1339,17 +1376,24 @@ monitor_store_register (int regno) else monitor_printf (current_monitor->setreg.cmd, name, val); + if (current_monitor->setreg.resp_delim) + { + monitor_debug ("EXP setreg.resp_delim\n"); + monitor_expect_regexp (&setreg_resp_delim_pattern, NULL, 0); + if (current_monitor->flags & MO_SETREG_INTERACTIVE) + monitor_printf ("%s\r", phex_nz (val, reg_size)); + } if (current_monitor->setreg.term) { monitor_debug ("EXP setreg.term\n"); monitor_expect (current_monitor->setreg.term, NULL, 0); if (current_monitor->flags & MO_SETREG_INTERACTIVE) - monitor_printf ("%s\r", paddr_nz (val)); + monitor_printf ("%s\r", phex_nz (val, reg_size)); monitor_expect_prompt (NULL, 0); } else monitor_expect_prompt (NULL, 0); - if (current_monitor->setreg.term_cmd) /* Mode exit required */ + if (current_monitor->setreg.term_cmd) /* Mode exit required. */ { monitor_debug ("EXP setreg_termcmd\n"); monitor_printf ("%s", current_monitor->setreg.term_cmd); @@ -1360,16 +1404,18 @@ monitor_store_register (int regno) /* Store the remote registers. */ static void -monitor_store_registers (int regno) +monitor_store_registers (struct target_ops *ops, + struct regcache *regcache, int regno) { if (regno >= 0) { - monitor_store_register (regno); + monitor_store_register (regcache, regno); return; } - for (regno = 0; regno < NUM_REGS; regno++) - monitor_store_register (regno); + for (regno = 0; regno < gdbarch_num_regs (get_regcache_arch (regcache)); + regno++) + monitor_store_register (regcache, regno); } /* Get ready to modify the registers array. On machines which store @@ -1379,28 +1425,29 @@ monitor_store_registers (int regno) debugged. */ static void -monitor_prepare_to_store (void) +monitor_prepare_to_store (struct regcache *regcache) { - /* Do nothing, since we can store individual regs */ + /* Do nothing, since we can store individual regs. */ } static void monitor_files_info (struct target_ops *ops) { - printf_unfiltered ("\tAttached to %s at %d baud.\n", dev_name, baud_rate); + printf_unfiltered (_("\tAttached to %s at %d baud.\n"), dev_name, baud_rate); } static int monitor_write_memory (CORE_ADDR memaddr, char *myaddr, int len) { + enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch); unsigned int val, hostval; char *cmd; int i; - monitor_debug ("MON write %d %s\n", len, paddr (memaddr)); + monitor_debug ("MON write %d %s\n", len, paddress (target_gdbarch, memaddr)); if (current_monitor->flags & MO_ADDR_BITS_REMOVE) - memaddr = ADDR_BITS_REMOVE (memaddr); + memaddr = gdbarch_addr_bits_remove (target_gdbarch, memaddr); /* Use memory fill command for leading 0 bytes. */ @@ -1410,11 +1457,12 @@ monitor_write_memory (CORE_ADDR memaddr, char *myaddr, int len) if (myaddr[i] != 0) break; - if (i > 4) /* More than 4 zeros is worth doing */ + if (i > 4) /* More than 4 zeros is worth doing. */ { monitor_debug ("MON FILL %d\n", i); if (current_monitor->flags & MO_FILL_USES_ADDR) - monitor_printf (current_monitor->fill, memaddr, (memaddr + i) - 1, 0); + monitor_printf (current_monitor->fill, memaddr, + (memaddr + i) - 1, 0); else monitor_printf (current_monitor->fill, memaddr, i, 0); @@ -1449,7 +1497,7 @@ monitor_write_memory (CORE_ADDR memaddr, char *myaddr, int len) cmd = current_monitor->setmem.cmdb; } - val = extract_unsigned_integer (myaddr, len); + val = extract_unsigned_integer (myaddr, len, byte_order); if (len == 4) { @@ -1462,9 +1510,14 @@ monitor_write_memory (CORE_ADDR memaddr, char *myaddr, int len) monitor_printf_noecho (cmd, memaddr, val); else if (current_monitor->flags & MO_SETMEM_INTERACTIVE) { - monitor_printf_noecho (cmd, memaddr); + if (current_monitor->setmem.resp_delim) + { + monitor_debug ("EXP setmem.resp_delim"); + monitor_expect_regexp (&setmem_resp_delim_pattern, NULL, 0); + monitor_printf ("%x\r", val); + } if (current_monitor->setmem.term) { monitor_debug ("EXP setmem.term"); @@ -1472,9 +1525,9 @@ monitor_write_memory (CORE_ADDR memaddr, char *myaddr, int len) monitor_printf ("%x\r", val); } if (current_monitor->setmem.term_cmd) - { /* Emit this to get out of the memory editing state */ + { /* Emit this to get out of the memory editing state. */ monitor_printf ("%s", current_monitor->setmem.term_cmd); - /* Drop through to expecting a prompt */ + /* Drop through to expecting a prompt. */ } } else @@ -1486,41 +1539,15 @@ monitor_write_memory (CORE_ADDR memaddr, char *myaddr, int len) } -static int -monitor_write_even_block (CORE_ADDR memaddr, char *myaddr, int len) -{ - unsigned int val; - int written = 0;; - /* Enter the sub mode */ - monitor_printf (current_monitor->setmem.cmdl, memaddr); - monitor_expect_prompt (NULL, 0); - - while (len) - { - val = extract_unsigned_integer (myaddr, 4); /* REALLY */ - monitor_printf ("%x\r", val); - myaddr += 4; - memaddr += 4; - written += 4; - monitor_debug (" @ %s\n", paddr (memaddr)); - /* If we wanted to, here we could validate the address */ - monitor_expect_prompt (NULL, 0); - } - /* Now exit the sub mode */ - monitor_printf (current_monitor->getreg.term_cmd); - monitor_expect_prompt (NULL, 0); - return written; -} - - static int monitor_write_memory_bytes (CORE_ADDR memaddr, char *myaddr, int len) { unsigned char val; int written = 0; + if (len == 0) return 0; - /* Enter the sub mode */ + /* Enter the sub mode. */ monitor_printf (current_monitor->setmem.cmdb, memaddr); monitor_expect_prompt (NULL, 0); while (len) @@ -1530,11 +1557,11 @@ monitor_write_memory_bytes (CORE_ADDR memaddr, char *myaddr, int len) myaddr++; memaddr++; written++; - /* If we wanted to, here we could validate the address */ + /* If we wanted to, here we could validate the address. */ monitor_expect_prompt (NULL, 0); len--; } - /* Now exit the sub mode */ + /* Now exit the sub mode. */ monitor_printf (current_monitor->getreg.term_cmd); monitor_expect_prompt (NULL, 0); return written; @@ -1546,6 +1573,7 @@ longlongendswap (unsigned char *a) { int i, j; unsigned char x; + i = 0; j = 7; while (i < 4) @@ -1556,7 +1584,7 @@ longlongendswap (unsigned char *a) i++, j--; } } -/* Format 32 chars of long long value, advance the pointer */ +/* Format 32 chars of long long value, advance the pointer. */ static char *hexlate = "0123456789abcdef"; static char * longlong_hexchars (unsigned long long value, @@ -1573,23 +1601,25 @@ longlong_hexchars (unsigned long long value, unsigned char *scan, *limit; /* loop controls */ unsigned char c, nib; int leadzero = 1; + scan = disbuf; limit = scan + 8; { unsigned long long *dp; + dp = (unsigned long long *) scan; *dp = value; } - longlongendswap (disbuf); /* FIXME: ONly on big endian hosts */ + longlongendswap (disbuf); /* FIXME: ONly on big endian hosts. */ while (scan < limit) { - c = *scan++; /* a byte of our long long value */ + c = *scan++; /* A byte of our long long value. */ if (leadzero) { if (c == 0) continue; else - leadzero = 0; /* henceforth we print even zeroes */ + leadzero = 0; /* Henceforth we print even zeroes. */ } nib = c >> 4; /* high nibble bits */ *outbuff++ = hexlate[nib]; @@ -1603,16 +1633,17 @@ longlong_hexchars (unsigned long long value, /* I am only going to call this when writing virtual byte streams. - Which possably entails endian conversions - */ + Which possably entails endian conversions. */ + static int monitor_write_memory_longlongs (CORE_ADDR memaddr, char *myaddr, int len) { - static char hexstage[20]; /* At least 16 digits required, plus null */ + static char hexstage[20]; /* At least 16 digits required, plus null. */ char *endstring; long long *llptr; long long value; int written = 0; + llptr = (unsigned long long *) myaddr; if (len == 0) return 0; @@ -1622,16 +1653,16 @@ monitor_write_memory_longlongs (CORE_ADDR memaddr, char *myaddr, int len) { value = *llptr; endstring = longlong_hexchars (*llptr, hexstage); - *endstring = '\0'; /* NUll terminate for printf */ + *endstring = '\0'; /* NUll terminate for printf. */ monitor_printf ("%s\r", hexstage); llptr++; memaddr += 8; written += 8; - /* If we wanted to, here we could validate the address */ + /* If we wanted to, here we could validate the address. */ monitor_expect_prompt (NULL, 0); len -= 8; } - /* Now exit the sub mode */ + /* Now exit the sub mode. */ monitor_printf (current_monitor->getreg.term_cmd); monitor_expect_prompt (NULL, 0); return written; @@ -1649,32 +1680,21 @@ monitor_write_memory_longlongs (CORE_ADDR memaddr, char *myaddr, int len) MO_SETMEM_INTERACTIVE ! MO_NO_ECHO_ON_SETMEM To use this, the you have to patch the monitor_cmds block with - this function. Otherwise, its not tuned up for use by all - monitor variations. - */ + this function. Otherwise, its not tuned up for use by all + monitor variations. */ static int monitor_write_memory_block (CORE_ADDR memaddr, char *myaddr, int len) { int written; + written = 0; - /* FIXME: This would be a good place to put the zero test */ + /* FIXME: This would be a good place to put the zero test. */ #if 1 if ((len > 8) && (((len & 0x07)) == 0) && current_monitor->setmem.cmdll) { return monitor_write_memory_longlongs (memaddr, myaddr, len); } -#endif -#if 0 - if (len > 4) - { - int sublen; - written = monitor_write_even_block (memaddr, myaddr, len); - /* Adjust calling parameters by written amount */ - memaddr += written; - myaddr += written; - len -= written; - } #endif written = monitor_write_memory_bytes (memaddr, myaddr, len); return written; @@ -1686,11 +1706,11 @@ monitor_write_memory_block (CORE_ADDR memaddr, char *myaddr, int len) static int monitor_read_memory_single (CORE_ADDR memaddr, char *myaddr, int len) { + enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch); unsigned int val; char membuf[sizeof (int) * 2 + 1]; char *p; char *cmd; - int i; monitor_debug ("MON read single\n"); #if 0 @@ -1737,7 +1757,7 @@ monitor_read_memory_single (CORE_ADDR memaddr, char *myaddr, int len) /* Now, read the appropriate number of hex digits for this loc, skipping spaces. */ - /* Skip leading spaces and "0x" if MO_HEX_PREFIX flag is set. */ + /* Skip leading spaces and "0x" if MO_HEX_PREFIX flag is set. */ if (current_monitor->flags & MO_HEX_PREFIX) { int c; @@ -1750,29 +1770,32 @@ monitor_read_memory_single (CORE_ADDR memaddr, char *myaddr, int len) else monitor_error ("monitor_read_memory_single", "bad response from monitor", - memaddr, i, membuf, c); + memaddr, 0, NULL, 0); } - for (i = 0; i < len * 2; i++) - { - int c; - while (1) - { - c = readchar (timeout); - if (isxdigit (c)) - break; - if (c == ' ') - continue; + { + int i; - monitor_error ("monitor_read_memory_single", - "bad response from monitor", - memaddr, i, membuf, c); - } + for (i = 0; i < len * 2; i++) + { + int c; + while (1) + { + c = readchar (timeout); + if (isxdigit (c)) + break; + if (c == ' ') + continue; + + monitor_error ("monitor_read_memory_single", + "bad response from monitor", + memaddr, i, membuf, 0); + } membuf[i] = c; } - - membuf[i] = '\000'; /* terminate the number */ + membuf[i] = '\000'; /* Terminate the number. */ + } /* If TERM is present, we wait for that to show up. Also, (if TERM is present), we will send TERM_CMD if that is present. In any case, we collect @@ -1780,7 +1803,8 @@ monitor_read_memory_single (CORE_ADDR memaddr, char *myaddr, int len) if (current_monitor->getmem.term) { - monitor_expect (current_monitor->getmem.term, NULL, 0); /* get response */ + monitor_expect (current_monitor->getmem.term, NULL, 0); /* Get + response. */ if (current_monitor->getmem.term_cmd) { @@ -1789,7 +1813,7 @@ monitor_read_memory_single (CORE_ADDR memaddr, char *myaddr, int len) } } else - monitor_expect_prompt (NULL, 0); /* get response */ + monitor_expect_prompt (NULL, 0); /* Get response. */ p = membuf; val = strtoul (membuf, &p, 16); @@ -1799,9 +1823,9 @@ monitor_read_memory_single (CORE_ADDR memaddr, char *myaddr, int len) "bad value from monitor", memaddr, 0, membuf, 0); - /* supply register stores in target byte order, so swap here */ + /* supply register stores in target byte order, so swap here. */ - store_unsigned_integer (myaddr, len, val); + store_unsigned_integer (myaddr, len, byte_order, val); return len; } @@ -1826,11 +1850,12 @@ monitor_read_memory (CORE_ADDR memaddr, char *myaddr, int len) return 0; } - monitor_debug ("MON read block ta(%s) ha(%lx) %d\n", - paddr_nz (memaddr), (long) myaddr, len); + monitor_debug ("MON read block ta(%s) ha(%s) %d\n", + paddress (target_gdbarch, memaddr), + host_address_to_string (myaddr), len); if (current_monitor->flags & MO_ADDR_BITS_REMOVE) - memaddr = ADDR_BITS_REMOVE (memaddr); + memaddr = gdbarch_addr_bits_remove (target_gdbarch, memaddr); if (current_monitor->flags & MO_GETMEM_READ_SINGLE) return monitor_read_memory_single (memaddr, myaddr, len); @@ -1838,9 +1863,8 @@ monitor_read_memory (CORE_ADDR memaddr, char *myaddr, int len) len = min (len, 16); /* Some dumpers align the first data with the preceeding 16 - byte boundary. Some print blanks and start at the - requested boundary. EXACT_DUMPADDR - */ + byte boundary. Some print blanks and start at the + requested boundary. EXACT_DUMPADDR */ dumpaddr = (current_monitor->flags & MO_EXACT_DUMPADDR) ? memaddr : memaddr & ~0x0f; @@ -1849,7 +1873,7 @@ monitor_read_memory (CORE_ADDR memaddr, char *myaddr, int len) if (((memaddr ^ (memaddr + len - 1)) & ~0xf) != 0) len = ((memaddr + len) & ~0xf) - memaddr; - /* send the memory examine command */ + /* Send the memory examine command. */ if (current_monitor->flags & MO_GETMEM_NEEDS_RANGE) monitor_printf (current_monitor->getmem.cmdb, memaddr, memaddr + len); @@ -1865,7 +1889,8 @@ monitor_read_memory (CORE_ADDR memaddr, char *myaddr, int len) if (current_monitor->getmem.term) { - resp_len = monitor_expect (current_monitor->getmem.term, buf, sizeof buf); /* get response */ + resp_len = monitor_expect (current_monitor->getmem.term, + buf, sizeof buf); /* Get response. */ if (resp_len <= 0) monitor_error ("monitor_read_memory", @@ -1874,13 +1899,13 @@ monitor_read_memory (CORE_ADDR memaddr, char *myaddr, int len) if (current_monitor->getmem.term_cmd) { - SERIAL_WRITE (monitor_desc, current_monitor->getmem.term_cmd, + serial_write (monitor_desc, current_monitor->getmem.term_cmd, strlen (current_monitor->getmem.term_cmd)); monitor_expect_prompt (NULL, 0); } } else - resp_len = monitor_expect_prompt (buf, sizeof buf); /* get response */ + resp_len = monitor_expect_prompt (buf, sizeof buf); /* Get response. */ p = buf; @@ -1892,7 +1917,9 @@ monitor_read_memory (CORE_ADDR memaddr, char *myaddr, int len) { int retval, tmp; struct re_registers resp_strings; - monitor_debug ("MON getmem.resp_delim %s\n", current_monitor->getmem.resp_delim); + + monitor_debug ("MON getmem.resp_delim %s\n", + current_monitor->getmem.resp_delim); memset (&resp_strings, 0, sizeof (struct re_registers)); tmp = strlen (p); @@ -1914,7 +1941,8 @@ monitor_read_memory (CORE_ADDR memaddr, char *myaddr, int len) p += strlen (current_monitor->getmem.resp_delim); #endif } - monitor_debug ("MON scanning %d ,%lx '%s'\n", len, (long) p, p); + monitor_debug ("MON scanning %d ,%s '%s'\n", len, + host_address_to_string (p), p); if (current_monitor->flags & MO_GETMEM_16_BOUNDARY) { char c; @@ -1939,20 +1967,21 @@ monitor_read_memory (CORE_ADDR memaddr, char *myaddr, int len) ++dumpaddr; ++p; } - ++p; /* skip a blank or other non hex char */ + ++p; /* Skip a blank or other non hex char. */ c = *p; } if (fetched == 0) - error ("Failed to read via monitor"); + error (_("Failed to read via monitor")); if (monitor_debug_p || remote_debug) fprintf_unfiltered (gdb_stdlog, "\n"); - return fetched; /* Return the number of bytes actually read */ + return fetched; /* Return the number of bytes actually + read. */ } monitor_debug ("MON scanning bytes\n"); for (i = len; i > 0; i--) { - /* Skip non-hex chars, but bomb on end of string and newlines */ + /* Skip non-hex chars, but bomb on end of string and newlines. */ while (1) { @@ -1985,13 +2014,12 @@ monitor_read_memory (CORE_ADDR memaddr, char *myaddr, int len) } /* Transfer LEN bytes between target address MEMADDR and GDB address - MYADDR. Returns 0 for success, errno code for failure. TARGET is - unused. */ + MYADDR. Returns 0 for success, errno code for failure. TARGET is + unused. */ static int -monitor_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, - struct mem_attrib *attrib ATTRIBUTE_UNUSED, - struct target_ops *target ATTRIBUTE_UNUSED) +monitor_xfer_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len, int write, + struct mem_attrib *attrib, struct target_ops *target) { int res; @@ -2011,23 +2039,24 @@ monitor_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write, } static void -monitor_kill (void) +monitor_kill (struct target_ops *ops) { - return; /* ignore attempts to kill target system */ + return; /* Ignore attempts to kill target system. */ } -/* All we actually do is set the PC to the start address of exec_bfd, and start - the program at that point. */ +/* All we actually do is set the PC to the start address of exec_bfd. */ static void -monitor_create_inferior (char *exec_file, char *args, char **env) +monitor_create_inferior (struct target_ops *ops, char *exec_file, + char *args, char **env, int from_tty) { if (args && (*args != '\000')) - error ("Args are not supported by the monitor."); + error (_("Args are not supported by the monitor.")); first_time = 1; clear_proceed_status (); - proceed (bfd_get_start_address (exec_bfd), TARGET_SIGNAL_0, 0); + regcache_write_pc (get_current_regcache (), + bfd_get_start_address (exec_bfd)); } /* Clean up when a program exits. @@ -2036,66 +2065,69 @@ monitor_create_inferior (char *exec_file, char *args, char **env) instructions. */ static void -monitor_mourn_inferior (void) +monitor_mourn_inferior (struct target_ops *ops) { unpush_target (targ_ops); - generic_mourn_inferior (); /* Do all the proper things now */ + generic_mourn_inferior (); /* Do all the proper things now. */ + delete_thread_silent (monitor_ptid); } /* Tell the monitor to add a breakpoint. */ static int -monitor_insert_breakpoint (CORE_ADDR addr, char *shadow) +monitor_insert_breakpoint (struct gdbarch *gdbarch, + struct bp_target_info *bp_tgt) { + CORE_ADDR addr = bp_tgt->placed_address; int i; - unsigned char *bp; int bplen; - monitor_debug ("MON inst bkpt %s\n", paddr (addr)); + monitor_debug ("MON inst bkpt %s\n", paddress (gdbarch, addr)); if (current_monitor->set_break == NULL) - error ("No set_break defined for this monitor"); + error (_("No set_break defined for this monitor")); if (current_monitor->flags & MO_ADDR_BITS_REMOVE) - addr = ADDR_BITS_REMOVE (addr); + addr = gdbarch_addr_bits_remove (gdbarch, addr); /* Determine appropriate breakpoint size for this address. */ - bp = memory_breakpoint_from_pc (&addr, &bplen); + gdbarch_breakpoint_from_pc (gdbarch, &addr, &bplen); + bp_tgt->placed_address = addr; + bp_tgt->placed_size = bplen; for (i = 0; i < current_monitor->num_breakpoints; i++) { if (breakaddr[i] == 0) { breakaddr[i] = addr; - monitor_read_memory (addr, shadow, bplen); monitor_printf (current_monitor->set_break, addr); monitor_expect_prompt (NULL, 0); return 0; } } - error ("Too many breakpoints (> %d) for monitor.", current_monitor->num_breakpoints); + error (_("Too many breakpoints (> %d) for monitor."), + current_monitor->num_breakpoints); } /* Tell the monitor to remove a breakpoint. */ static int -monitor_remove_breakpoint (CORE_ADDR addr, char *shadow) +monitor_remove_breakpoint (struct gdbarch *gdbarch, + struct bp_target_info *bp_tgt) { + CORE_ADDR addr = bp_tgt->placed_address; int i; - monitor_debug ("MON rmbkpt %s\n", paddr (addr)); + monitor_debug ("MON rmbkpt %s\n", paddress (gdbarch, addr)); if (current_monitor->clr_break == NULL) - error ("No clr_break defined for this monitor"); - - if (current_monitor->flags & MO_ADDR_BITS_REMOVE) - addr = ADDR_BITS_REMOVE (addr); + error (_("No clr_break defined for this monitor")); for (i = 0; i < current_monitor->num_breakpoints; i++) { if (breakaddr[i] == addr) { breakaddr[i] = 0; - /* some monitors remove breakpoints based on the address */ + /* Some monitors remove breakpoints based on the address. */ if (current_monitor->flags & MO_CLR_BREAK_USES_ADDR) monitor_printf (current_monitor->clr_break, addr); else if (current_monitor->flags & MO_CLR_BREAK_1_BASED) @@ -2107,8 +2139,8 @@ monitor_remove_breakpoint (CORE_ADDR addr, char *shadow) } } fprintf_unfiltered (gdb_stderr, - "Can't find breakpoint associated with 0x%s\n", - paddr_nz (addr)); + "Can't find breakpoint associated with %s\n", + paddress (gdbarch, addr)); return 1; } @@ -2139,7 +2171,7 @@ monitor_wait_srec_ack (void) return 1; } -/* monitor_load -- download a file. */ +/* monitor_load -- download a file. */ static void monitor_load (char *file, int from_tty) @@ -2149,12 +2181,12 @@ monitor_load (char *file, int from_tty) if (current_monitor->load_routine) current_monitor->load_routine (monitor_desc, file, hashmark); else - { /* The default is ascii S-records */ + { /* The default is ascii S-records. */ int n; unsigned long load_offset; char buf[128]; - /* enable user to specify address for downloading as 2nd arg to load */ + /* Enable user to specify address for downloading as 2nd arg to load. */ n = sscanf (file, "%s 0x%lx", buf, &load_offset); if (n > 1) file = buf; @@ -2173,34 +2205,38 @@ monitor_load (char *file, int from_tty) monitor_expect_prompt (NULL, 0); } -/* Finally, make the PC point at the start address */ - + /* Finally, make the PC point at the start address. */ if (exec_bfd) - write_pc (bfd_get_start_address (exec_bfd)); - - inferior_pid = 0; /* No process now */ - -/* This is necessary because many things were based on the PC at the time that - we attached to the monitor, which is no longer valid now that we have loaded - new code (and just changed the PC). Another way to do this might be to call - normal_stop, except that the stack may not be valid, and things would get - horribly confused... */ - - clear_symtab_users (); + regcache_write_pc (get_current_regcache (), + bfd_get_start_address (exec_bfd)); + + /* There used to be code here which would clear inferior_ptid and + call clear_symtab_users. None of that should be necessary: + monitor targets should behave like remote protocol targets, and + since generic_load does none of those things, this function + shouldn't either. + + Furthermore, clearing inferior_ptid is *incorrect*. After doing + a load, we still have a valid connection to the monitor, with a + live processor state to fiddle with. The user can type + `continue' or `jump *start' and make the program run. If they do + these things, however, GDB will be talking to a running program + while inferior_ptid is null_ptid; this makes things like + reinit_frame_cache very confused. */ } static void -monitor_stop (void) +monitor_stop (ptid_t ptid) { monitor_debug ("MON stop\n"); if ((current_monitor->flags & MO_SEND_BREAK_ON_STOP) != 0) - SERIAL_SEND_BREAK (monitor_desc); + serial_send_break (monitor_desc); if (current_monitor->stop) monitor_printf_noecho (current_monitor->stop); } /* Put a COMMAND string out to MONITOR. Output from MONITOR is placed - in OUTPUT until the prompt is seen. FIXME: We read the characters + in OUTPUT until the prompt is seen. FIXME: We read the characters ourseleves here cause of a nasty echo. */ static void @@ -2212,7 +2248,7 @@ monitor_rcmd (char *command, char buf[1000]; if (monitor_desc == NULL) - error ("monitor target not open."); + error (_("monitor target not open.")); p = current_monitor->prompt; @@ -2223,7 +2259,7 @@ monitor_rcmd (char *command, resp_len = monitor_expect_prompt (buf, sizeof buf); - fputs_unfiltered (buf, outbuf); /* Output the response */ + fputs_unfiltered (buf, outbuf); /* Output the response. */ } /* Convert hex digit A to a number. */ @@ -2239,7 +2275,7 @@ from_hex (int a) if (a >= 'A' && a <= 'F') return a - 'A' + 10; - error ("Reply contains invalid hex digit 0x%x", a); + error (_("Reply contains invalid hex digit 0x%x"), a); } #endif @@ -2249,78 +2285,70 @@ monitor_get_dev_name (void) return dev_name; } +/* Check to see if a thread is still alive. */ + +static int +monitor_thread_alive (struct target_ops *ops, ptid_t ptid) +{ + if (ptid_equal (ptid, monitor_ptid)) + /* The monitor's task is always alive. */ + return 1; + + return 0; +} + +/* Convert a thread ID to a string. Returns the string in a static + buffer. */ + +static char * +monitor_pid_to_str (struct target_ops *ops, ptid_t ptid) +{ + static char buf[64]; + + if (ptid_equal (monitor_ptid, ptid)) + { + xsnprintf (buf, sizeof buf, "Thread
"); + return buf; + } + + return normal_pid_to_str (ptid); +} + static struct target_ops monitor_ops; static void init_base_monitor_ops (void) { - monitor_ops.to_shortname = NULL; - monitor_ops.to_longname = NULL; - monitor_ops.to_doc = NULL; - monitor_ops.to_open = NULL; monitor_ops.to_close = monitor_close; - monitor_ops.to_attach = NULL; - monitor_ops.to_post_attach = NULL; - monitor_ops.to_require_attach = NULL; monitor_ops.to_detach = monitor_detach; - monitor_ops.to_require_detach = NULL; monitor_ops.to_resume = monitor_resume; monitor_ops.to_wait = monitor_wait; - monitor_ops.to_post_wait = NULL; monitor_ops.to_fetch_registers = monitor_fetch_registers; monitor_ops.to_store_registers = monitor_store_registers; monitor_ops.to_prepare_to_store = monitor_prepare_to_store; - monitor_ops.to_xfer_memory = monitor_xfer_memory; + monitor_ops.deprecated_xfer_memory = monitor_xfer_memory; monitor_ops.to_files_info = monitor_files_info; monitor_ops.to_insert_breakpoint = monitor_insert_breakpoint; monitor_ops.to_remove_breakpoint = monitor_remove_breakpoint; - monitor_ops.to_terminal_init = 0; - monitor_ops.to_terminal_inferior = 0; - monitor_ops.to_terminal_ours_for_output = 0; - monitor_ops.to_terminal_ours = 0; - monitor_ops.to_terminal_info = 0; monitor_ops.to_kill = monitor_kill; monitor_ops.to_load = monitor_load; - monitor_ops.to_lookup_symbol = 0; monitor_ops.to_create_inferior = monitor_create_inferior; - monitor_ops.to_post_startup_inferior = NULL; - monitor_ops.to_acknowledge_created_inferior = NULL; - monitor_ops.to_clone_and_follow_inferior = NULL; - monitor_ops.to_post_follow_inferior_by_clone = NULL; - monitor_ops.to_insert_fork_catchpoint = NULL; - monitor_ops.to_remove_fork_catchpoint = NULL; - monitor_ops.to_insert_vfork_catchpoint = NULL; - monitor_ops.to_remove_vfork_catchpoint = NULL; - monitor_ops.to_has_forked = NULL; - monitor_ops.to_has_vforked = NULL; - monitor_ops.to_can_follow_vfork_prior_to_exec = NULL; - monitor_ops.to_post_follow_vfork = NULL; - monitor_ops.to_insert_exec_catchpoint = NULL; - monitor_ops.to_remove_exec_catchpoint = NULL; - monitor_ops.to_has_execd = NULL; - monitor_ops.to_reported_exec_events_per_exec_call = NULL; - monitor_ops.to_has_exited = NULL; monitor_ops.to_mourn_inferior = monitor_mourn_inferior; - monitor_ops.to_can_run = 0; - monitor_ops.to_notice_signals = 0; - monitor_ops.to_thread_alive = 0; monitor_ops.to_stop = monitor_stop; monitor_ops.to_rcmd = monitor_rcmd; - monitor_ops.to_pid_to_exec_file = NULL; - monitor_ops.to_core_file_to_sym_file = NULL; + monitor_ops.to_log_command = serial_log_command; + monitor_ops.to_thread_alive = monitor_thread_alive; + monitor_ops.to_pid_to_str = monitor_pid_to_str; monitor_ops.to_stratum = process_stratum; - monitor_ops.DONT_USE = 0; - monitor_ops.to_has_all_memory = 1; - monitor_ops.to_has_memory = 1; - monitor_ops.to_has_stack = 1; - monitor_ops.to_has_registers = 1; - monitor_ops.to_has_execution = 1; - monitor_ops.to_sections = 0; - monitor_ops.to_sections_end = 0; + monitor_ops.to_has_all_memory = default_child_has_all_memory; + monitor_ops.to_has_memory = default_child_has_memory; + monitor_ops.to_has_stack = default_child_has_stack; + monitor_ops.to_has_registers = default_child_has_registers; + monitor_ops.to_has_execution = default_child_has_execution; monitor_ops.to_magic = OPS_MAGIC; } /* init_base_monitor_ops */ -/* Init the target_ops structure pointed at by OPS */ +/* Init the target_ops structure pointed at by OPS. */ void init_monitor_ops (struct target_ops *ops) @@ -2333,22 +2361,31 @@ init_monitor_ops (struct target_ops *ops) /* Define additional commands that are usually only used by monitors. */ +/* -Wmissing-prototypes */ +extern initialize_file_ftype _initialize_remote_monitors; + void _initialize_remote_monitors (void) { init_base_monitor_ops (); - add_show_from_set (add_set_cmd ("hash", no_class, var_boolean, - (char *) &hashmark, - "Set display of activity while downloading a file.\n\ -When enabled, a hashmark \'#\' is displayed.", - &setlist), - &showlist); - - add_show_from_set - (add_set_cmd ("monitor", no_class, var_zinteger, - (char *) &monitor_debug_p, - "Set debugging of remote monitor communication.\n\ + add_setshow_boolean_cmd ("hash", no_class, &hashmark, _("\ +Set display of activity while downloading a file."), _("\ +Show display of activity while downloading a file."), _("\ +When enabled, a hashmark \'#\' is displayed."), + NULL, + NULL, /* FIXME: i18n: */ + &setlist, &showlist); + + add_setshow_zinteger_cmd ("monitor", no_class, &monitor_debug_p, _("\ +Set debugging of remote monitor communication."), _("\ +Show debugging of remote monitor communication."), _("\ When enabled, communication between GDB and the remote monitor\n\ -is displayed.", &setdebuglist), - &showdebuglist); +is displayed."), + NULL, + NULL, /* FIXME: i18n: */ + &setdebuglist, &showdebuglist); + + /* Yes, 42000 is arbitrary. The only sense out of it, is that it + isn't 0. */ + monitor_ptid = ptid_build (42000, 0, 42000); }