2002-06-11 Daniel Jacobowitz <drow@mvista.com>

	* gdbserver/thread-db.c: New file.
	* gdbserver/proc-service.c: New file.
	* gdbserver/acinclude.m4: New file.
	* gdbserver/Makefile.in: Add GDBSERVER_LIBS, gdb_proc_service_h,
	proc-service.o, and thread-db.o.
	(linux-low.o): Add USE_THREAD_DB.
	* gdbserver/acconfig.h: Add HAVE_PRGREGSET_T, HAVE_PRFPREGSET_T,
	HAVE_LWPID_T, HAVE_PSADDR_T, and PRFPREGSET_T_BROKEN.
	* gdbserver/aclocal.m4: Regenerated.
	* gdbserver/config.in: Regenerated.
	* gdbserver/configure: Regenerated.
	* gdbserver/configure.in: Check for proc_service.h, sys/procfs.h,
	thread_db.h, and linux/elf.h headrs.
	Check for lwpid_t, psaddr_t, prgregset_t, prfpregset_t, and
	PRFPREGSET_T_BROKEN.  Introduce srv_thread_depfiles and USE_THREAD_DB.
	Check for -lthread_db and thread support.
	* gdbserver/configure.srv: Enable thread_db support for ARM, i386, MIPS,
	PowerPC, and SuperH.
	* gdbserver/i387-fp.c: Constify arguments.
	* gdbserver/i387-fp.h: Likewise.
	* gdbserver/inferiors.c: (struct thread_info): Renamed from
	`struct inferior_info'.  Remove PID member.  Use generic inferior
	list header.  All uses updated.
	(inferiors, signal_pid): Removed.
	(all_threads): New variable.
	(get_thread): Define.
	(add_inferior_to_list): New function.
	(for_each_inferior): New function.
	(change_inferior_id): New function.
	(add_inferior): Removed.
	(remove_inferior): New function.
	(add_thread): New function.
	(free_one_thread): New function.
	(remove_thread): New function.
	(clear_inferiors): Use for_each_inferior and free_one_thread.
	(find_inferior): New function.
	(find_inferior_id): New function.
	(inferior_target_data): Update argument type.
	(set_inferior_target_data): Likewise.
	(inferior_regcache_data): Likewise.
	(set_inferior_regcache_data): Likewise.
	* gdbserver/linux-low.c (linux_bp_reinsert): Remove.
	(all_processes, stopping_threads, using_thrads)
	(struct pending_signals, debug_threads, pid_of): New.
	(inferior_pid): Replace with macro.
	(struct inferior_linux_data): Remove.
	(get_stop_pc, add_process): New functions.
	(linux_create_inferior): Restore SIGRTMIN+1 before calling exec.
	Use add_process and add_thread.
	(linux_attach_lwp): New function, based on old linux_attach.  Use
	add_process and add_thread.  Set stop_expected for new threads.
	(linux_attach): New function.
	(linux_kill_one_process): New function.
	(linux_kill): Kill all LWPs.
	(linux_thread_alive): Use find_inferior_id.
	(check_removed_breakpoints, status_pending_p): New functions.
	(linux_wait_for_process): Renamed from linux_wait_for_one_inferior.
	Update.  Use WNOHANG.  Wait for cloned processes also.  Update process
	struct for the found process.
	(linux_wait_for_event): New function.
	(linux_wait): Use it.  Support LWPs.
	(send_sigstop, wait_for_sigstop, stop_all_processes)
	(linux_resume_one_process, linux_continue_one_process): New functions.
	(linux_resume): Support LWPs.
	(REGISTER_RAW_SIZE): Remove.
	(fetch_register): Use register_size instead.  Call supply_register.
	(usr_store_inferior_registers): Likewise.  Call collect_register.
	Fix recursive case.
	(regsets_fetch_inferior_registers): Improve error message.
	(regsets_store_inferior_registers): Add debugging.
	(linux_look_up_symbols): Call thread_db_init if USE_THREAD_DB.
	(unstopped_p, linux_signal_pid): New functions.
	(linux_target_ops): Add linux_signal_pid.
	(linux_init_signals): New function.
	(initialize_low): Call it.  Initialize using_threads.
	* gdbserver/regcache.c (inferior_regcache_data): Add valid
	flag.
	(get_regcache): Fetch registers lazily.  Add fetch argument
	and update all callers.
	(regcache_invalidate_one, regcache_invalidate): New
	functions.
	(new_register_cache): Renamed from create_register_cache.
	Return the new regcache.
	(free_register_cache): Change argument to a void *.
	(registers_to_string, registers_from_string): Call get_regcache
	with fetch flag set.
	(register_data): Make static.  Pass fetch flag to get_regcache.
	(supply_register): Call get_regcache with fetch flag clear.
	(collect_register): Call get_regcache with fetch flag set.
	(collect_register_as_string): New function.
	* gdbserver/regcache.h: Update.
	* gdbserver/remote-utils.c (putpkt): Flush after debug output and use
	stderr.
	Handle input interrupts while waiting for an ACK.
	(input_interrupt): Use signal_pid method.
	(getpkt): Flush after debug output and use stderr.
	(outreg): Use collect_register_as_string.
	(new_thread_notify, dead_thread_notify): New functions.
	(prepare_resume_reply): Check using_threads.  Set thread_from_wait
	and general_thread.
	(look_up_one_symbol): Flush after debug output.
	* gdbserver/server.c (step_thread, server_waiting): New variables.
	(start_inferior): Don't use signal_pid.  Update call to mywait.
	(attach_inferior): Update call to mywait.
	(handle_query): Handle qfThreadInfo and qsThreadInfo.
	(main): Don't fetch/store registers explicitly.  Use
	set_desired_inferior.  Support proposed ``Hs'' packet.  Update
	calls to mywait.
	* gdbserver/server.h: Update.
	(struct inferior_list, struct_inferior_list_entry): New.
	* gdbserver/target.c (set_desired_inferior): New.
	(write_inferior_memory): Constify.
	(mywait): New function.
	* gdbserver/target.h: Update.
	(struct target_ops): New signal_pid method.
	(mywait): Removed macro, added prototype.

	* gdbserver/linux-low.h (regset_func): Removed.
	(regset_fill_func, regset_store_func): New.
	(enum regset_type): New.
	(struct regset_info): Add type field.  Use new operation types.
	(struct linux_target_ops): stop_pc renamed to get_pc.
	Add decr_pc_after_break and breakpoint_at.
	(get_process, get_thread_proess, get_process_thread)
	(strut process_info, all_processes, linux_attach_lwp)
	(thread_db_init): New.

	* gdbserver/linux-arm-low.c (arm_get_pc, arm_set_pc,
	arm_breakpoint, arm_breakpoint_len, arm_breakpoint_at): New.
	(the_low_target): Add new members.
	* gdbserver/linux-i386-low.c (i386_store_gregset, i386_store_fpregset)
	(i386_store_fpxregset): Constify.
	(target_regsets): Add new kind identifier.
	(i386_get_pc): Renamed from i386_stop_pc.  Simplify.
	(i386_set_pc): Add debugging.
	(i386_breakpoint_at): New function.
	(the_low_target): Add new members.
	* gdbserver/linux-mips-low.c (mips_get_pc, mips_set_pc)
	(mips_breakpoint, mips_breakpoint_len, mips_reinsert_addr)
	(mips_breakpoint_at): New.
	(the_low_target): Add new members.
	* gdbserver/linux-ppc-low.c (ppc_get_pc, ppc_set_pc)
	(ppc_breakpoint, ppc_breakpoint_len, ppc_breakpoint_at): New.
	(the_low_target): Add new members.
	* gdbserver/linux-sh-low.c (sh_get_pc, sh_set_pc)
	(sh_breakpoint, sh_breakpoint_len, sh_breakpoint_at): New.
	(the_low_target): Add new members.
	* gdbserver/linux-x86-64-low.c (target_regsets): Add new kind
	identifier.

1 files changed, 378 insertions, 44 deletions

diff --git a/gdb/gdbserver/configure b/gdb/gdbserver/configure
index 758d48383f1..d2575c0cc92 100755
--- a/gdb/gdbserver/configure
+++ b/gdb/gdbserver/configure
@@ -28,6 +28,7 @@ program_suffix=NONE
 program_transform_name=s,x,x,
 silent=
 site=
+sitefile=
 srcdir=
 target=NONE
 verbose=
@@ -142,6 +143,7 @@ Configuration:
   --help                  print this message
   --no-create             do not create output files
   --quiet, --silent       do not print \`checking...' messages
+  --site-file=FILE        use FILE as the site file
   --version               print the version of autoconf that created configure
 Directory and file names:
   --prefix=PREFIX         install architecture-independent files in PREFIX
@@ -312,6 +314,11 @@ EOF
   -site=* | --site=* | --sit=*)
     site="$ac_optarg" ;;
 
+  -site-file | --site-file | --site-fil | --site-fi | --site-f)
+    ac_prev=sitefile ;;
+  -site-file=* | --site-file=* | --site-fil=* | --site-fi=* | --site-f=*)
+    sitefile="$ac_optarg" ;;
+
   -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
     ac_prev=srcdir ;;
   -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
@@ -477,12 +484,16 @@ fi
 srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`
 
 # Prefer explicitly selected file to automatically selected ones.
-if test -z "$CONFIG_SITE"; then
-  if test "x$prefix" != xNONE; then
-    CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
-  else
-    CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+if test -z "$sitefile"; then
+  if test -z "$CONFIG_SITE"; then
+    if test "x$prefix" != xNONE; then
+      CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
+    else
+      CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+    fi
   fi
+else
+  CONFIG_SITE="$sitefile"
 fi
 for ac_site_file in $CONFIG_SITE; do
   if test -r "$ac_site_file"; then
@@ -526,7 +537,7 @@ fi
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:530: checking for $ac_word" >&5
+echo "configure:541: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -556,7 +567,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:560: checking for $ac_word" >&5
+echo "configure:571: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -607,7 +618,7 @@ fi
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:611: checking for $ac_word" >&5
+echo "configure:622: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -639,7 +650,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:643: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:654: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -650,12 +661,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 654 "configure"
+#line 665 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:659: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:670: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -681,12 +692,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:685: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:696: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:690: checking whether we are using GNU C" >&5
+echo "configure:701: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -695,7 +706,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:699: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:710: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -714,7 +725,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:718: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:729: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -793,7 +804,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:797: checking host system type" >&5
+echo "configure:808: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -814,7 +825,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:818: checking target system type" >&5
+echo "configure:829: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -832,7 +843,7 @@ target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:836: checking build system type" >&5
+echo "configure:847: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -867,7 +878,7 @@ test "$host_alias" != "$target_alias" &&
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:871: checking for a BSD compatible install" >&5
+echo "configure:882: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -921,7 +932,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:925: checking how to run the C preprocessor" >&5
+echo "configure:936: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -936,13 +947,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 940 "configure"
+#line 951 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:946: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:957: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -953,13 +964,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 957 "configure"
+#line 968 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:963: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:974: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -970,13 +981,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 974 "configure"
+#line 985 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:980: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:991: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1001,12 +1012,12 @@ fi
 echo "$ac_t""$CPP" 1>&6
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:1005: checking for ANSI C header files" >&5
+echo "configure:1016: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1010 "configure"
+#line 1021 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -1014,7 +1025,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1018: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1029: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1031,7 +1042,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1035 "configure"
+#line 1046 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -1049,7 +1060,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1053 "configure"
+#line 1064 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -1070,7 +1081,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 1074 "configure"
+#line 1085 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -1081,7 +1092,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:1085: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1096: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -1105,21 +1116,21 @@ EOF
 fi
 
 
-for ac_hdr in sgtty.h termio.h termios.h sys/reg.h string.h
+for ac_hdr in sgtty.h termio.h termios.h sys/reg.h string.h 		 proc_service.h sys/procfs.h thread_db.h linux/elf.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1113: checking for $ac_hdr" >&5
+echo "configure:1124: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1118 "configure"
+#line 1129 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1123: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1134: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1157,19 +1168,19 @@ fi
 
 if test "${srv_linux_regsets}" = "yes"; then
   echo $ac_n "checking for PTRACE_GETREGS""... $ac_c" 1>&6
-echo "configure:1161: checking for PTRACE_GETREGS" >&5
+echo "configure:1172: checking for PTRACE_GETREGS" >&5
   if eval "test \"`echo '$''{'gdbsrv_cv_have_ptrace_getregs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1166 "configure"
+#line 1177 "configure"
 #include "confdefs.h"
 #include <sys/ptrace.h>
 int main() {
 PTRACE_GETREGS;
 ; return 0; }
 EOF
-if { (eval echo configure:1173: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1184: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdbsrv_cv_have_ptrace_getregs=yes
 else
@@ -1190,19 +1201,19 @@ EOF
   fi
 
   echo $ac_n "checking for PTRACE_GETFPXREGS""... $ac_c" 1>&6
-echo "configure:1194: checking for PTRACE_GETFPXREGS" >&5
+echo "configure:1205: checking for PTRACE_GETFPXREGS" >&5
   if eval "test \"`echo '$''{'gdbsrv_cv_have_ptrace_getfpxregs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1199 "configure"
+#line 1210 "configure"
 #include "confdefs.h"
 #include <sys/ptrace.h>
 int main() {
 PTRACE_GETFPXREGS;
 ; return 0; }
 EOF
-if { (eval echo configure:1206: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1217: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gdbsrv_cv_have_ptrace_getfpxregs=yes
 else
@@ -1223,7 +1234,328 @@ EOF
   fi
 fi
 
-GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj"
+if test "$ac_cv_header_sys_procfs_h" = yes; then
+  echo $ac_n "checking for lwpid_t in sys/procfs.h""... $ac_c" 1>&6
+echo "configure:1240: checking for lwpid_t in sys/procfs.h" >&5
+ if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_lwpid_t'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1245 "configure"
+#include "confdefs.h"
+
+#define _SYSCALL32
+#include <sys/procfs.h>
+int main() {
+lwpid_t avar
+; return 0; }
+EOF
+if { (eval echo configure:1254: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  bfd_cv_have_sys_procfs_type_lwpid_t=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  bfd_cv_have_sys_procfs_type_lwpid_t=no
+   
+fi
+rm -f conftest*
+fi
+
+ if test $bfd_cv_have_sys_procfs_type_lwpid_t = yes; then
+   cat >> confdefs.h <<\EOF
+#define HAVE_LWPID_T 1
+EOF
+
+ fi
+ echo "$ac_t""$bfd_cv_have_sys_procfs_type_lwpid_t" 1>&6
+
+  echo $ac_n "checking for psaddr_t in sys/procfs.h""... $ac_c" 1>&6
+echo "configure:1276: checking for psaddr_t in sys/procfs.h" >&5
+ if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_psaddr_t'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1281 "configure"
+#include "confdefs.h"
+
+#define _SYSCALL32
+#include <sys/procfs.h>
+int main() {
+psaddr_t avar
+; return 0; }
+EOF
+if { (eval echo configure:1290: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  bfd_cv_have_sys_procfs_type_psaddr_t=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  bfd_cv_have_sys_procfs_type_psaddr_t=no
+   
+fi
+rm -f conftest*
+fi
+
+ if test $bfd_cv_have_sys_procfs_type_psaddr_t = yes; then
+   cat >> confdefs.h <<\EOF
+#define HAVE_PSADDR_T 1
+EOF
+
+ fi
+ echo "$ac_t""$bfd_cv_have_sys_procfs_type_psaddr_t" 1>&6
+
+  echo $ac_n "checking for prgregset_t in sys/procfs.h""... $ac_c" 1>&6
+echo "configure:1312: checking for prgregset_t in sys/procfs.h" >&5
+ if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_prgregset_t'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1317 "configure"
+#include "confdefs.h"
+
+#define _SYSCALL32
+#include <sys/procfs.h>
+int main() {
+prgregset_t avar
+; return 0; }
+EOF
+if { (eval echo configure:1326: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  bfd_cv_have_sys_procfs_type_prgregset_t=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  bfd_cv_have_sys_procfs_type_prgregset_t=no
+   
+fi
+rm -f conftest*
+fi
+
+ if test $bfd_cv_have_sys_procfs_type_prgregset_t = yes; then
+   cat >> confdefs.h <<\EOF
+#define HAVE_PRGREGSET_T 1
+EOF
+
+ fi
+ echo "$ac_t""$bfd_cv_have_sys_procfs_type_prgregset_t" 1>&6
+
+  echo $ac_n "checking for prfpregset_t in sys/procfs.h""... $ac_c" 1>&6
+echo "configure:1348: checking for prfpregset_t in sys/procfs.h" >&5
+ if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_prfpregset_t'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1353 "configure"
+#include "confdefs.h"
+
+#define _SYSCALL32
+#include <sys/procfs.h>
+int main() {
+prfpregset_t avar
+; return 0; }
+EOF
+if { (eval echo configure:1362: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  bfd_cv_have_sys_procfs_type_prfpregset_t=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  bfd_cv_have_sys_procfs_type_prfpregset_t=no
+   
+fi
+rm -f conftest*
+fi
+
+ if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
+   cat >> confdefs.h <<\EOF
+#define HAVE_PRFPREGSET_T 1
+EOF
+
+ fi
+ echo "$ac_t""$bfd_cv_have_sys_procfs_type_prfpregset_t" 1>&6
+
+
+  
+        
+  if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
+    echo $ac_n "checking whether prfpregset_t type is broken""... $ac_c" 1>&6
+echo "configure:1388: checking whether prfpregset_t type is broken" >&5
+    if eval "test \"`echo '$''{'gdb_cv_prfpregset_t_broken'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test "$cross_compiling" = yes; then
+  gdb_cv_prfpregset_t_broken=yes
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1396 "configure"
+#include "confdefs.h"
+#include <sys/procfs.h>
+       int main ()
+       {
+         if (sizeof (prfpregset_t) == sizeof (void *))
+           return 1;
+         return 0;
+       }
+EOF
+if { (eval echo configure:1406: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+then
+  gdb_cv_prfpregset_t_broken=no
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -fr conftest*
+  gdb_cv_prfpregset_t_broken=yes
+fi
+rm -fr conftest*
+fi
+
+fi
+
+    echo "$ac_t""$gdb_cv_prfpregset_t_broken" 1>&6
+    if test $gdb_cv_prfpregset_t_broken = yes; then
+      cat >> confdefs.h <<\EOF
+#define PRFPREGSET_T_BROKEN 1
+EOF
+
+    fi
+  fi
+
+  echo $ac_n "checking for elf_fpregset_t in sys/procfs.h""... $ac_c" 1>&6
+echo "configure:1430: checking for elf_fpregset_t in sys/procfs.h" >&5
+ if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_elf_fpregset_t'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1435 "configure"
+#include "confdefs.h"
+
+#define _SYSCALL32
+#include <sys/procfs.h>
+int main() {
+elf_fpregset_t avar
+; return 0; }
+EOF
+if { (eval echo configure:1444: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  bfd_cv_have_sys_procfs_type_elf_fpregset_t=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  bfd_cv_have_sys_procfs_type_elf_fpregset_t=no
+   
+fi
+rm -f conftest*
+fi
+
+ if test $bfd_cv_have_sys_procfs_type_elf_fpregset_t = yes; then
+   cat >> confdefs.h <<\EOF
+#define HAVE_ELF_FPREGSET_T 1
+EOF
+
+ fi
+ echo "$ac_t""$bfd_cv_have_sys_procfs_type_elf_fpregset_t" 1>&6
+
+fi
+
+srv_thread_depfiles=
+srv_libs=
+USE_THREAD_DB=
+
+if test "$srv_linux_thread_db" = "yes"; then
+  echo $ac_n "checking for libthread_db""... $ac_c" 1>&6
+echo "configure:1473: checking for libthread_db" >&5
+if eval "test \"`echo '$''{'srv_cv_thread_db'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  old_LIBS="$LIBS"
+  LIBS="$LIBS -lthread_db"
+  cat > conftest.$ac_ext <<EOF
+#line 1480 "configure"
+#include "confdefs.h"
+void ps_pglobal_lookup() {}
+   void ps_pdread() {}
+   void ps_pdwrite() {}
+   void ps_lgetregs() {}
+   void ps_lsetregs() {}
+   void ps_lgetfpregs() {}
+   void ps_lsetfpregs() {}
+   void ps_getpid() {}
+int main() {
+td_ta_new();
+; return 0; }
+EOF
+if { (eval echo configure:1494: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  srv_cv_thread_db="-lthread_db"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  srv_cv_thread_db=no
+
+ if test "$prefix" = "/usr" || test "$prefix" = "NONE"; then
+  thread_db="/lib/libthread_db.so.1"
+ else
+  thread_db='$prefix/lib/libthread_db.so.1'
+ fi
+ LIBS="$old_LIBS `eval echo "$thread_db"`"
+ cat > conftest.$ac_ext <<EOF
+#line 1510 "configure"
+#include "confdefs.h"
+void ps_pglobal_lookup() {}
+   void ps_pdread() {}
+   void ps_pdwrite() {}
+   void ps_lgetregs() {}
+   void ps_lsetregs() {}
+   void ps_lgetfpregs() {}
+   void ps_lsetfpregs() {}
+   void ps_getpid() {}
+int main() {
+td_ta_new();
+; return 0; }
+EOF
+if { (eval echo configure:1524: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  srv_cv_thread_db="$thread_db"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  srv_cv_thread_db=no
+fi
+rm -f conftest*
+ LIBS="$old_LIBS"
+ 
+fi
+
+echo "$ac_t""$srv_cv_thread_db" 1>&6
+
+fi
+rm -f conftest*
+  if test "$srv_cv_thread_db" = no; then
+    echo "configure: warning: Could not find libthread_db." 1>&2
+    echo "configure: warning: Disabling thread support in gdbserver." 1>&2
+    srv_linux_thread_db=no
+  else
+    srv_libs="$srv_cv_thread_db"
+  fi
+fi
+
+if test "$srv_linux_thread_db" = "yes"; then
+  srv_thread_depfiles="thread-db.o proc-service.o"
+  USE_THREAD_DB="-DUSE_THREAD_DB"
+fi
+
+GDBSERVER_DEPFILES="$srv_regobj $srv_tgtobj $srv_thread_depfiles"
+GDBSERVER_LIBS="$srv_libs"
+
+
 
 
 
@@ -1381,6 +1713,8 @@ s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%g
 s%@INSTALL_DATA@%$INSTALL_DATA%g
 s%@CPP@%$CPP%g
 s%@GDBSERVER_DEPFILES@%$GDBSERVER_DEPFILES%g
+s%@GDBSERVER_LIBS@%$GDBSERVER_LIBS%g
+s%@USE_THREAD_DB@%$USE_THREAD_DB%g
 
 CEOF
 EOF