* configure.in: Check for working mmap, ansi headers, string.h,
strings.h, and memory.h. * configure: Regenerated. * gdb_stat.h: New file, "portable" <sys/stat.h>. * gdb_string.h: New file, "portable" <string.h>. * altos-xdep.c, arm-tdep.c, arm-xdep.c, convex-tdep.c, convex-xdep.c, coredep.c, cxux-nat.c, dbxread.c, exec.c, gould-xdep.c, hppa-tdep.c, i386aix-nat.c, i386b-nat.c, i386mach-nat.c, i386v-nat.c, infptrace.c, m88k-nat.c, main.c, mdebugread.c, objfiles.c, os9kread.c, procfs.c, pyr-xdep.c, rs6000-nat.c, source.c, standalone.c, stuff.c, sun386-nat.c, symfile.c, symm-nat.c, symm-tdep.c, symtab.c, top.c, ultra3-nat.c, ultra3-xdep.c, umax-xdep.c, xcoffread.c: Include "gdb_stat.h" instead of <sys/stat.h>. * alpha-tdep.c, breakpoint.c, buildsym.c, c-typeprint.c, ch-typeprint.c, coffread.c, command.c, core-sol2.c, core-svr4.c, core.c, corelow.c, cp-valprint.c, dbxread.c, dcache.c, demangle.c, dpx2-nat.c, dstread.c, dwarfread.c, elfread.c, environ.c, eval.c, exec.c, f-lang.c, f-typeprint.c, f-valprint.c, findvar.c, fork-child.c, gdbtypes.c, hpread.c, i386-tdep.c, infcmd.c, inflow.c, infptrace.c, infrun.c, irix5-nat.c, language.c, m2-typeprint.c, main.c, mdebugread.c, minsyms.c, mipsread.c, monitor.c, nlmread.c, objfiles.c, os9kread.c, osfsolib.c, parse.c, printcmd.c, procfs.c, regex.c, remote-adapt.c, remote-arc.c, remote-array.c, remote-bug.c, remote-e7000.c, remote-eb.c, remote-es.c, remote-hms.c, remote-mm.c, remote-os9k.c, remote-pa.c, remote-sim.c, remote-st.c, remote-udi.c, remote-utils.c, remote-vx.c, remote-vx29k.c, remote-vx68.c, remote-vx960.c, remote-vxmips.c, remote-vxsparc.c, remote.c, solib.c, somread.c, source.c, stabsread.c, stack.c, symfile.c, symmisc.c, symtab.c, target.c, top.c, typeprint.c, utils.c, valarith.c, valops.c, valprint.c, values.c, xcoffread.c: Include "gdb_string.h" instead of <string.h>. * gdbtk.c: Likewise. * config/xm-sysv4.h, i386/xm-ptx.h, m68k/xm-sun3os4.h, sparc/xm-sun4os4.h (HAVE_MMAP): Removed. * config/xm-lynx.h, config/i386/xm-ptx.h, config/m68k/nm-apollo68b.h, config/m68k/xm-hp300hpux.h, config/mips/xm-irix3.h, config/mips/xm-mips.h, config/mips/xm-news-mips.h, config/mips/xm-riscos.h, config/pa/hppah.h, config/rs6000/xm-rs6000.h, config/sparc/xm-sun4os4.h, config/sparc/xm-sun4sol2.h, config/vax/xm-vaxbsd.h, config/vax/xm-vaxult.h, config/vax/xm-vaxult2.h (MEM_FNS_DECLARED): Removed. * config/mips/xm-irix3.h, config/mips/xm-mips.h, config/pa/xm-hppah.h (memcpy, memset): Removed declarations.
This commit is contained in:
J.T. Conklin
parent
a1bdcf913a
commit
2b57629364
137 changed files with 2207 additions and 1157 deletions
212
gdb/remote.c
212
gdb/remote.c
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@ -135,6 +135,15 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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running and the debugger should
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continue to wait for 'W', 'T', etc.
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thread alive TXX Find out if the thread XX is alive.
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reply OK thread is still alive
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ENN thread is dead
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remote restart RXX Restart the remote server
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extended ops ! Use the extended remote protocol.
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Sticky -- only needs to be set once.
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kill request k
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toggle debug d toggle debug flag (see 386 & 68k stubs)
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@ -165,7 +174,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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"0* " means the same as "0000". */
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#include "defs.h"
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#include <string.h>
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#include "gdb_string.h"
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#include <fcntl.h>
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#include "frame.h"
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#include "inferior.h"
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@ -213,10 +222,24 @@ static int remote_start_remote PARAMS ((char *dummy));
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static void remote_open PARAMS ((char *name, int from_tty));
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static void extended_remote_open PARAMS ((char *name, int from_tty));
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static void remote_open_1 PARAMS ((char *, int, struct target_ops *));
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static void remote_close PARAMS ((int quitting));
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static void remote_store_registers PARAMS ((int regno));
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static void remote_mourn PARAMS ((void));
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static void extended_remote_restart PARAMS ((void));
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static void extended_remote_mourn PARAMS ((void));
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static void extended_remote_create_inferior PARAMS ((char *, char *, char **));
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static void remote_mourn_1 PARAMS ((struct target_ops *));
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static void getpkt PARAMS ((char *buf, int forever));
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static int putpkt PARAMS ((char *buf));
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@ -242,6 +265,7 @@ static void remote_interrupt_twice PARAMS ((int signo));
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static void interrupt_query PARAMS ((void));
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extern struct target_ops remote_ops; /* Forward decl */
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extern struct target_ops extended_remote_ops; /* Forward decl */
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/* This was 5 seconds, which is a long time to sit and wait.
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Unless this is going though some terminal server or multiplexer or
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@ -313,7 +337,7 @@ set_thread (th, gen)
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cont_thread = th;
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}
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/* Return nonzero if the thread TH is still alive on the remote system. */
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/* Return nonzero if the thread TH is still alive on the remote system. */
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static int
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remote_thread_alive (th)
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@ -330,6 +354,25 @@ remote_thread_alive (th)
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getpkt (buf, 0);
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return (buf[0] == 'O' && buf[1] == 'K');
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}
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/* Restart the remote side; this is an extended protocol operation. */
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static void
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extended_remote_restart ()
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{
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char buf[PBUFSIZ];
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/* Send the restart command; for reasons I don't understand the
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remote side really expects a number after the "R". */
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buf[0] = 'R';
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sprintf (&buf[1], "%x", 0);
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putpkt (buf);
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/* Now query for status so this looks just like we restarted
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gdbserver from scratch. */
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putpkt ("?");
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getpkt (buf, 0);
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}
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/* Clean up connection to a remote debugger. */
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@ -420,12 +463,41 @@ remote_start_remote (dummy)
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/* Open a connection to a remote debugger.
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NAME is the filename used for communication. */
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static DCACHE *remote_dcache;
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static void
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remote_open (name, from_tty)
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char *name;
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int from_tty;
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{
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remote_open_1 (name, from_tty, &remote_ops);
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}
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/* Open a connection to a remote debugger using the extended
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remote gdb protocol. NAME is hte filename used for communication. */
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static void
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extended_remote_open (name, from_tty)
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char *name;
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int from_tty;
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{
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char buf[PBUFSIZ];
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/* Do the basic remote open stuff. */
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remote_open_1 (name, from_tty, &extended_remote_ops);
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/* Now tell the remote that we're using the extended protocol. */
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putpkt ("!");
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getpkt (buf, 0);
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}
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/* Generic code for opening a connection to a remote target. */
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static DCACHE *remote_dcache;
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static void
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remote_open_1 (name, from_tty, target)
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char *name;
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int from_tty;
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struct target_ops *target;
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{
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if (name == 0)
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error ("To open a remote debug connection, you need to specify what serial\n\
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@ -433,7 +505,7 @@ device is attached to the remote system (e.g. /dev/ttya).");
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target_preopen (from_tty);
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unpush_target (&remote_ops);
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unpush_target (target);
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remote_dcache = dcache_init (remote_read_bytes, remote_write_bytes);
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@ -463,7 +535,7 @@ device is attached to the remote system (e.g. /dev/ttya).");
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puts_filtered (name);
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puts_filtered ("\n");
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}
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push_target (&remote_ops); /* Switch to using remote target now */
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push_target (target); /* Switch to using remote target now */
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/* Start out by trying the 'P' request to set registers. We set this each
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time that we open a new target so that if the user switches from one
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@ -669,20 +741,21 @@ remote_wait (pid, status)
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{
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unsigned char *p1;
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char *p_temp;
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unsigned LONGEST val;
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regno = strtol (p, &p_temp, 16); /* Read the register number */
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regno = strtol ((const char *) p, &p_temp, 16); /* Read the register number */
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p1 = (unsigned char *)p_temp;
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if (p1 == p)
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{
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p1 = (unsigned char *) strchr (p, ':');
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p1 = (unsigned char *) strchr ((const char *) p, ':');
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if (p1 == NULL)
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warning ("Malformed packet (missing colon): %s\n\
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Packet: '%s'\n",
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p, buf);
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if (strncmp (p, "thread", p1 - p) == 0)
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if (strncmp ((const char *) p, "thread", p1 - p) == 0)
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{
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thread_num = strtol (++p1, &p_temp, 16);
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thread_num = strtol ((const char *) ++p1, &p_temp, 16);
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p = (unsigned char *)p_temp;
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}
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}
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@ -696,17 +769,20 @@ Packet: '%s'\n",
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p, buf);
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if (regno >= NUM_REGS)
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warning ("Remote sent bad register number %d: %s\n\
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warning ("Remote sent bad register number %ld: %s\n\
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Packet: '%s'\n",
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regno, p, buf);
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val = 0L;
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for (i = 0; i < REGISTER_RAW_SIZE (regno); i++)
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{
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if (p[0] == 0 || p[1] == 0)
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warning ("Remote reply is too short: %s", buf);
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regs[i] = fromhex (p[0]) * 16 + fromhex (p[1]);
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val = val * 256 + fromhex (p[0]) * 16 + fromhex (p[1]);
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p += 2;
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}
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store_unsigned_integer (regs, REGISTER_RAW_SIZE (regno), val);
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supply_register (regno, regs);
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}
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@ -750,8 +826,8 @@ Packet: '%s'\n",
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last_sent_signal = TARGET_SIGNAL_0;
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target_terminal_inferior ();
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strcpy (buf, last_sent_step ? "s" : "c");
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putpkt (buf);
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strcpy ((char *) buf, last_sent_step ? "s" : "c");
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putpkt ((char *) buf);
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continue;
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}
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/* else fallthrough */
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@ -928,6 +1004,7 @@ remote_store_registers (regno)
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/* Read a word from remote address ADDR and return it.
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This goes through the data cache. */
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#if 0 /* unused? */
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static int
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remote_fetch_word (addr)
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CORE_ADDR addr;
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@ -945,6 +1022,7 @@ remote_store_word (addr, word)
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{
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dcache_poke (remote_dcache, addr, word);
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}
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#endif /* 0 (unused?) */
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/* Write memory data directly to the remote machine.
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@ -1403,7 +1481,6 @@ getpkt (buf, forever)
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char *buf;
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int forever;
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{
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char *bp;
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int c;
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int tries;
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int timeout;
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@ -1502,9 +1579,62 @@ remote_kill ()
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static void
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remote_mourn ()
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{
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unpush_target (&remote_ops);
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remote_mourn_1 (&remote_ops);
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}
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static void
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extended_remote_mourn ()
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{
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/* We do _not_ want to mourn the target like this; this will
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remove the extended remote target from the target stack,
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and the next time the user says "run" it'll fail.
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FIXME: What is the right thing to do here? */
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#if 0
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remote_mourn_1 (&extended_remote_ops);
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#endif
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}
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/* Worker function for remote_mourn. */
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static void
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remote_mourn_1 (target)
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struct target_ops *target;
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{
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unpush_target (target);
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generic_mourn_inferior ();
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}
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/* In the extended protocol we want to be able to do things like
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"run" and have them basically work as expected. So we need
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a special create_inferior function.
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FIXME: One day add support for changing the exec file
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we're debugging, arguments and an environment. */
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static void
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extended_remote_create_inferior (exec_file, args, env)
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char *exec_file;
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char *args;
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char **env;
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{
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/* Rip out the breakpoints; we'll reinsert them after restarting
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the remote server. */
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remove_breakpoints ();
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/* Now restart the remote server. */
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extended_remote_restart ();
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/* Now put the breakpoints back in. This way we're safe if the
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restart function works via a unix fork on the remote side. */
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insert_breakpoints ();
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/* Clean up from the last time we were running. */
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clear_proceed_status ();
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/* Let the remote process run. */
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proceed (-1, TARGET_SIGNAL_0, 0);
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}
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#ifdef REMOTE_BREAKPOINT
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@ -1512,9 +1642,6 @@ remote_mourn ()
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than other targets. */
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static unsigned char break_insn[] = REMOTE_BREAKPOINT;
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/* Check that it fits in BREAKPOINT_MAX bytes. */
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static unsigned char check_break_insn_size[BREAKPOINT_MAX] = REMOTE_BREAKPOINT;
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#else /* No REMOTE_BREAKPOINT. */
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/* Same old breakpoint instruction. This code does nothing different
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@ -1602,8 +1729,55 @@ Specify the serial device it is connected to (e.g. /dev/ttya).", /* to_doc */
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OPS_MAGIC /* to_magic */
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};
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struct target_ops extended_remote_ops = {
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"extended-remote", /* to_shortname */
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"Extended remote serial target in gdb-specific protocol",/* to_longname */
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"Use a remote computer via a serial line, using a gdb-specific protocol.\n\
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Specify the serial device it is connected to (e.g. /dev/ttya).", /* to_doc */
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extended_remote_open, /* to_open */
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remote_close, /* to_close */
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NULL, /* to_attach */
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remote_detach, /* to_detach */
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remote_resume, /* to_resume */
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remote_wait, /* to_wait */
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remote_fetch_registers, /* to_fetch_registers */
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remote_store_registers, /* to_store_registers */
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remote_prepare_to_store, /* to_prepare_to_store */
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remote_xfer_memory, /* to_xfer_memory */
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remote_files_info, /* to_files_info */
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remote_insert_breakpoint, /* to_insert_breakpoint */
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remote_remove_breakpoint, /* to_remove_breakpoint */
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NULL, /* to_terminal_init */
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NULL, /* to_terminal_inferior */
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NULL, /* to_terminal_ours_for_output */
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NULL, /* to_terminal_ours */
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NULL, /* to_terminal_info */
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remote_kill, /* to_kill */
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generic_load, /* to_load */
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NULL, /* to_lookup_symbol */
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extended_remote_create_inferior,/* to_create_inferior */
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extended_remote_mourn, /* to_mourn_inferior */
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0, /* to_can_run */
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0, /* to_notice_signals */
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remote_thread_alive, /* to_thread_alive */
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0, /* to_stop */
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process_stratum, /* to_stratum */
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NULL, /* to_next */
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1, /* to_has_all_memory */
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1, /* to_has_memory */
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1, /* to_has_stack */
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1, /* to_has_registers */
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1, /* to_has_execution */
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NULL, /* sections */
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NULL, /* sections_end */
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OPS_MAGIC /* to_magic */
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};
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void
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_initialize_remote ()
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{
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add_target (&remote_ops);
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add_target (&extended_remote_ops);
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}
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