2002-04-09 Daniel Jacobowitz <drow@mvista.com>

* gdbserver/Makefile.in: Add WARN_CFLAGS.  Update configury
        dependencies.
        * gdbserver/configure.in: Check for <string.h>
        * gdbserver/configure: Regenerate.
        * gdbserver/config.in: Regenerate.
        * gdbserver/gdbreplay.c: Include needed system headers.
        (remote_open): Remove strchr prototype.
        * gdbserver/linux-low.h: Correct #ifdef to HAVE_LINUX_USRREGS.
        * gdbserver/regcache.c (supply_register): Change buf argument to const void *.
        (supply_register_by_name): Likewise.
        (collect_register): Change buf argument to void *.
        (collect_register_by_name): Likewise.
        * gdbserver/regcache.h: Add missing prototypes.
        * gdbserver/remote-utils.c: Include <arpa/inet.h> for inet_ntoa.
        * gdbserver/server.c (handle_query): New function.
        (attached): New static variable, moved out of main.
        (main): Quiet longjmp clobber warnings.
        * gdbserver/server.h: Add ATTR_NORETURN and ATTR_FORMAT.  Update prototypes.
        * gdbserver/utils.c (error): Remove NORETURN.
        (fatal): Likewise.

gdb/gdbserver/Makefile.in

@@ -90,13 +90,15 @@ INCLUDE_CFLAGS = -I. -I${srcdir} -I$(srcdir)/../regformats -I$(INCLUDE_DIR)
 GLOBAL_CFLAGS = ${MT_CFLAGS} ${MH_CFLAGS}
 #PROFILE_CFLAGS = -pg
 
+WARN_CFLAGS = -Wall
+
 # CFLAGS is specifically reserved for setting from the command line
 # when running make.  I.E.  "make CFLAGS=-Wmissing-prototypes".
 CFLAGS = @CFLAGS@
 
 # INTERNAL_CFLAGS is the aggregate of all other *CFLAGS macros.
-INTERNAL_CFLAGS = ${CFLAGS} ${GLOBAL_CFLAGS} ${PROFILE_CFLAGS} \
-	${INCLUDE_CFLAGS} ${BFD_CFLAGS}
+INTERNAL_CFLAGS =  $(WARN_CFLAGS) ${CFLAGS} ${GLOBAL_CFLAGS} \
+	${PROFILE_CFLAGS} ${INCLUDE_CFLAGS} ${BFD_CFLAGS}
 
 # LDFLAGS is specifically reserved for setting from the command line
 # when running make.
@@ -195,8 +197,11 @@ maintainer-clean realclean: clean
 
 STAGESTUFF=${OBS} ${TSOBS} ${NTSOBS} ${ADD_FILES} init.c init.o version.c gdb
 
+config.h: config.in config.status
+	CONFIG_FILES="" $(SHELL) ./config.status
+
 Makefile: Makefile.in config.status
-	$(SHELL) ./config.status
+	CONFIG_HEADERS="" $(SHELL) ./config.status
 
 config.status: configure configure.srv
 	$(SHELL) ./config.status --recheck

gdb/gdbserver/config.in

@@ -16,6 +16,9 @@
 /* Define if you have the <sgtty.h> header file.  */
 #undef HAVE_SGTTY_H
 
+/* Define if you have the <string.h> header file.  */
+#undef HAVE_STRING_H
+
 /* Define if you have the <sys/reg.h> header file.  */
 #undef HAVE_SYS_REG_H
 

gdb/gdbserver/configure

@@ -1105,7 +1105,7 @@ EOF
 fi
 
 
-for ac_hdr in sgtty.h termio.h termios.h sys/reg.h
+for ac_hdr in sgtty.h termio.h termios.h sys/reg.h string.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6

gdb/gdbserver/configure.in

@@ -30,7 +30,7 @@ AC_PROG_INSTALL
 
 AC_HEADER_STDC
 
-AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h)
+AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h)
 
 . ${srcdir}/configure.srv
 

gdb/gdbserver/gdbreplay.c

@@ -30,6 +30,12 @@
 #include <ctype.h>
 #include <fcntl.h>
 #include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
 
 /* Sort of a hack... */
 #define EOL (EOF - 1)
@@ -83,8 +89,6 @@ remote_close (void)
 void
 remote_open (char *name)
 {
-  extern char *strchr ();
-
   if (!strchr (name, ':'))
     {
       fprintf (stderr, "%s: Must specify tcp connection as host:addr\n", name);

gdb/gdbserver/linux-low.h

@@ -18,7 +18,7 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#ifdef HAVE_LINUX_USR_REGISTERS
+#ifdef HAVE_LINUX_USRREGS
 extern int regmap[];
 extern int num_regs;
 int cannot_fetch_register (int regno);

gdb/gdbserver/regcache.c

@@ -123,25 +123,25 @@ register_data (int n)
 }
 
 void
-supply_register (int n, const char *buf)
+supply_register (int n, const void *buf)
 {
   memcpy (register_data (n), buf, register_size (n));
 }
 
 void
-supply_register_by_name (const char *name, const char *buf)
+supply_register_by_name (const char *name, const void *buf)
 {
   supply_register (find_regno (name), buf);
 }
 
 void
-collect_register (int n, char *buf)
+collect_register (int n, void *buf)
 {
   memcpy (buf, register_data (n), register_size (n));
 }
 
 void
-collect_register_by_name (const char *name, char *buf)
+collect_register_by_name (const char *name, void *buf)
 {
   collect_register (find_regno (name), buf);
 }

gdb/gdbserver/regcache.h

@@ -46,4 +46,12 @@ int find_regno (const char *name);
 
 extern const char **gdbserver_expedite_regs;
 
+void supply_register (int n, const void *buf);
+
+void supply_register_by_name (const char *name, const void *buf);
+
+void collect_register (int n, void *buf);
+
+void collect_register_by_name (const char *name, void *buf);
+
 #endif /* REGCACHE_H */

gdb/gdbserver/remote-utils.c

@@ -35,6 +35,7 @@
 #include <fcntl.h>
 #include <sys/time.h>
 #include <unistd.h>
+#include <arpa/inet.h>
 
 int remote_debug = 0;
 struct ui_file *gdb_stdlog;

gdb/gdbserver/server.c

@@ -55,6 +55,7 @@ attach_inferior (int pid, char *statusptr, unsigned char *sigptr)
 }
 
 extern int remote_debug;
+static int attached;
 
 int
 main (int argc, char *argv[])
@@ -64,9 +65,8 @@ main (int argc, char *argv[])
   unsigned char signal;
   unsigned int len;
   CORE_ADDR mem_addr;
-  int bad_attach = 0;
-  int pid = 0;
-  int attached = 0;
+  int bad_attach;
+  int pid;
   char *arg_end;
 
   if (setjmp (toplevel))
@@ -75,6 +75,9 @@ main (int argc, char *argv[])
       exit (1);
     }
 
+  bad_attach = 0;
+  pid = 0;
+  attached = 0;
   if (argc >= 3 && strcmp (argv[2], "--attach") == 0)
     {
       if (argc == 4

gdb/gdbserver/server.h

@@ -23,20 +23,36 @@
 #define SERVER_H
 
 #include "config.h"
+
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <errno.h>
+#include <setjmp.h>
 
+#ifndef ATTR_NORETURN
+#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
+#define ATTR_NORETURN __attribute__ ((noreturn))
+#else
+#define ATTR_NORETURN           /* nothing */
+#endif
+#endif
 
-/* FIXME:  Both of these should be autoconf'd for.  */
-#define NORETURN
+#ifndef ATTR_FORMAT
+#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
+#define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
+#else
+#define ATTR_FORMAT(type, x, y) /* nothing */
+#endif
+#endif
+
+/* FIXME: This should probably be autoconf'd for.  It's an integer type at
+   least the size of a (void *).  */
 typedef long long CORE_ADDR;
 
 #include "regcache.h"
 #include "gdb/signals.h"
 
-#include <setjmp.h>
 
 /* Target-specific functions */
 
@@ -93,11 +109,13 @@ int target_signal_to_host (enum target_signal oursig);
 /* Functions from utils.c */
 
 void perror_with_name (char *string);
-void error (const char *string,...);
-void fatal (const char *string,...);
+void error (const char *string,...) ATTR_NORETURN;
+void fatal (const char *string,...) ATTR_NORETURN;
 void warning (const char *string,...);
 
+/* Functions from the register cache definition.  */
 
+void init_registers (void);
 
 /* Maximum number of bytes to read/write at once.  The value here
    is chosen to fill up a packet (the headers account for the 32).  */

gdb/gdbserver/utils.c

@@ -57,7 +57,7 @@ perror_with_name (char *string)
    STRING is the error message, used as a fprintf string,
    and ARG is passed as an argument to it.  */
 
-NORETURN void
+void
 error (const char *string,...)
 {
   extern jmp_buf toplevel;
@@ -74,7 +74,7 @@ error (const char *string,...)
    STRING and ARG are passed to fprintf.  */
 
 /* VARARGS */
-NORETURN void
+void
 fatal (const char *string,...)
 {
   va_list args;