* Makefile.in (INTERNAL_LDFLAGS): Add in flags from configure.

* configure configure.in:  Only make sol-thread.o for native.
	Also, switch to dlopened libthread_db.so.1.
	* sol-thread.c:  Switch to using dlopen to get the thread_db
	library.
This commit is contained in:
Stu Grossman 1996-06-11 19:21:42 +00:00
parent f023ce5c80
commit 4915acadd4
3 changed files with 198 additions and 125 deletions

146
gdb/configure vendored
View File

@ -1,8 +1,8 @@
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 2.10
# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
# Generated automatically using autoconf version 2.8
# Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
#
# This configure script is free software; the Free Software Foundation
# gives unlimited permission to copy, distribute and modify it.
@ -348,7 +348,7 @@ EOF
verbose=yes ;;
-version | --version | --versio | --versi | --vers)
echo "configure generated by autoconf version 2.10"
echo "configure generated by autoconf version 2.8"
exit 0 ;;
-with-* | --with-*)
@ -1441,8 +1441,6 @@ else
which can conflict with char $ac_func(); below. */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char $ac_func();
int main() { return 0; }
@ -1459,7 +1457,7 @@ $ac_func();
; return 0; }
EOF
if { (eval echo configure:1463: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
if { (eval echo configure:1461: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
@ -1487,7 +1485,7 @@ if eval "test \"`echo '$''{'gdb_cv_have_gregset_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1491 "configure"
#line 1489 "configure"
#include "confdefs.h"
#include <sys/procfs.h>
int main() { return 0; }
@ -1495,7 +1493,7 @@ int t() {
gregset_t *gregsetp = 0
; return 0; }
EOF
if { (eval echo configure:1499: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
if { (eval echo configure:1497: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
rm -rf conftest*
gdb_cv_have_gregset_t=yes
else
@ -1519,7 +1517,7 @@ if eval "test \"`echo '$''{'gdb_cv_have_fpregset_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1523 "configure"
#line 1521 "configure"
#include "confdefs.h"
#include <sys/procfs.h>
int main() { return 0; }
@ -1527,7 +1525,7 @@ int t() {
fpregset_t *fpregsetp = 0
; return 0; }
EOF
if { (eval echo configure:1531: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
if { (eval echo configure:1529: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
rm -rf conftest*
gdb_cv_have_fpregset_t=yes
else
@ -1552,7 +1550,7 @@ if eval "test \"`echo '$''{'ac_cv_c_long_double'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1556 "configure"
#line 1554 "configure"
#include "confdefs.h"
int main() { return 0; }
@ -1560,7 +1558,7 @@ int t() {
long double foo;
; return 0; }
EOF
if { (eval echo configure:1564: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:1562: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_c_long_double=yes
else
@ -1588,7 +1586,7 @@ else
gdb_cv_printf_has_long_double=no
else
cat > conftest.$ac_ext <<EOF
#line 1592 "configure"
#line 1590 "configure"
#include "confdefs.h"
int main () {
@ -1598,7 +1596,7 @@ int main () {
return (strncmp ("3.14159", buf, 7));
}
EOF
{ (eval echo configure:1602: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
{ (eval echo configure:1600: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
if test -s conftest && (./conftest; exit) 2>/dev/null; then
gdb_cv_printf_has_long_double=yes
else
@ -1623,14 +1621,12 @@ if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1627 "configure"
#line 1625 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char $ac_func();
int main() { return 0; }
@ -1647,7 +1643,7 @@ $ac_func();
; return 0; }
EOF
if { (eval echo configure:1651: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
if { (eval echo configure:1647: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
@ -1677,7 +1673,7 @@ else
ac_cv_func_mmap=no
else
cat > conftest.$ac_ext <<EOF
#line 1681 "configure"
#line 1677 "configure"
#include "confdefs.h"
/* Thanks to Mike Haertel and Jim Avera for this test. */
@ -1746,7 +1742,7 @@ main()
}
EOF
{ (eval echo configure:1750: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
{ (eval echo configure:1746: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
if test -s conftest && (./conftest; exit) 2>/dev/null; then
ac_cv_func_mmap=yes
else
@ -1766,20 +1762,23 @@ fi
if test ${host} = ${target} ; then
echo $ac_n "checking for Solaris thread debugging library""... $ac_c" 1>&6
if test -f /usr/lib/libthread_db.so.1 ; then
echo "$ac_t""yes" 1>&6
LIBS="$LIBS /usr/lib/libthread_db.so.1"
THREAD_DB_OBS=sol-thread.o
cat >> confdefs.h <<\EOF
#define HAVE_THREAD_DB_LIB 1
EOF
CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Xlinker -export-dynamic"
else
echo "$ac_t""no" 1>&6
fi
fi
ENABLE_CFLAGS=
ENABLE_CLIBS=
ENABLE_OBS=
@ -1929,12 +1928,12 @@ if test "$ac_x_includes" = NO; then
# First, try using that file with no special directory specified.
cat > conftest.$ac_ext <<EOF
#line 1933 "configure"
#line 1932 "configure"
#include "confdefs.h"
#include <$x_direct_test_include>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1938: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:1937: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
rm -rf conftest*
@ -2001,7 +2000,7 @@ if test "$ac_x_libraries" = NO; then
ac_save_LIBS="$LIBS"
LIBS="-l$x_direct_test_library $LIBS"
cat > conftest.$ac_ext <<EOF
#line 2005 "configure"
#line 2004 "configure"
#include "confdefs.h"
int main() { return 0; }
@ -2009,7 +2008,7 @@ int t() {
${x_direct_test_function}()
; return 0; }
EOF
if { (eval echo configure:2013: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
if { (eval echo configure:2012: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
rm -rf conftest*
LIBS="$ac_save_LIBS"
# We can link X programs with no special library path.
@ -2123,26 +2122,22 @@ else
# libraries we check for below, so use a different variable.
# --interran@uluru.Stanford.EDU, kb@cs.umb.edu.
echo $ac_n "checking for -lICE""... $ac_c" 1>&6
ac_lib_var=`echo ICE'_'IceConnectionNumber | tr './+\055' '__p_'`
ac_lib_var=`echo ICE_IceConnectionNumber | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
ac_save_LIBS="$LIBS"
LIBS="-lICE $LIBS"
cat > conftest.$ac_ext <<EOF
#line 2134 "configure"
#line 2133 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char IceConnectionNumber();
int main() { return 0; }
int t() {
IceConnectionNumber()
; return 0; }
EOF
if { (eval echo configure:2146: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
if { (eval echo configure:2141: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@ -2171,26 +2166,22 @@ fi
# libraries were built with DECnet support. And karl@cs.umb.edu says
# the Alpha needs dnet_stub (dnet does not exist).
echo $ac_n "checking for -ldnet""... $ac_c" 1>&6
ac_lib_var=`echo dnet'_'dnet_ntoa | tr './+\055' '__p_'`
ac_lib_var=`echo dnet_dnet_ntoa | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
ac_save_LIBS="$LIBS"
LIBS="-ldnet $LIBS"
cat > conftest.$ac_ext <<EOF
#line 2182 "configure"
#line 2177 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char dnet_ntoa();
int main() { return 0; }
int t() {
dnet_ntoa()
; return 0; }
EOF
if { (eval echo configure:2194: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
if { (eval echo configure:2185: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@ -2210,26 +2201,22 @@ fi
if test $ac_cv_lib_dnet_dnet_ntoa = no; then
echo $ac_n "checking for -ldnet_stub""... $ac_c" 1>&6
ac_lib_var=`echo dnet_stub'_'dnet_ntoa | tr './+\055' '__p_'`
ac_lib_var=`echo dnet_stub_dnet_ntoa | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
ac_save_LIBS="$LIBS"
LIBS="-ldnet_stub $LIBS"
cat > conftest.$ac_ext <<EOF
#line 2221 "configure"
#line 2212 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char dnet_ntoa();
int main() { return 0; }
int t() {
dnet_ntoa()
; return 0; }
EOF
if { (eval echo configure:2233: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
if { (eval echo configure:2220: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@ -2254,26 +2241,22 @@ fi
# Not sure which flavor of 386 UNIX this is, but it seems harmless to
# check for it.
echo $ac_n "checking for -lnsl""... $ac_c" 1>&6
ac_lib_var=`echo nsl'_'t_accept | tr './+\055' '__p_'`
ac_lib_var=`echo nsl_t_accept | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
ac_save_LIBS="$LIBS"
LIBS="-lnsl $LIBS"
cat > conftest.$ac_ext <<EOF
#line 2265 "configure"
#line 2252 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char t_accept();
int main() { return 0; }
int t() {
t_accept()
; return 0; }
EOF
if { (eval echo configure:2277: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
if { (eval echo configure:2260: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@ -2297,26 +2280,22 @@ fi
# But -lsocket is broken on IRIX, according to simon@lia.di.epfl.ch.
if test "`(uname) 2>/dev/null`" != IRIX; then
echo $ac_n "checking for -lsocket""... $ac_c" 1>&6
ac_lib_var=`echo socket'_'socket | tr './+\055' '__p_'`
ac_lib_var=`echo socket_socket | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
ac_save_LIBS="$LIBS"
LIBS="-lsocket $LIBS"
cat > conftest.$ac_ext <<EOF
#line 2308 "configure"
#line 2291 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char socket();
int main() { return 0; }
int t() {
socket()
; return 0; }
EOF
if { (eval echo configure:2320: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
if { (eval echo configure:2299: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@ -2413,12 +2392,12 @@ 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 2417 "configure"
#line 2396 "configure"
#include "confdefs.h"
#include <tclInt.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2422: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:2401: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
rm -rf conftest*
@ -2471,7 +2450,7 @@ if test "$cross_compiling" = yes; then
else
cat > conftest.$ac_ext <<EOF
#line 2475 "configure"
#line 2454 "configure"
#include "confdefs.h"
#include <stdio.h>
@ -2486,7 +2465,7 @@ main() {
return 0;
}
EOF
{ (eval echo configure:2490: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
{ (eval echo configure:2469: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
if test -s conftest && (./conftest; exit) 2>/dev/null; then
tclmajor=`cat tclmajor`
tclminor=`cat tclminor`
@ -2631,13 +2610,13 @@ else
ac_cv_c_tclib="-l$installedtcllibroot"
else
cat > conftest.$ac_ext <<EOF
#line 2635 "configure"
#line 2614 "configure"
#include "confdefs.h"
Tcl_AppInit()
{ exit(0); }
EOF
{ (eval echo configure:2641: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
{ (eval echo configure:2620: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
if test -s conftest && (./conftest; exit) 2>/dev/null; then
ac_cv_c_tcllib="-l$installedtcllibroot"
else
@ -2747,12 +2726,12 @@ 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 2751 "configure"
#line 2730 "configure"
#include "confdefs.h"
#include <tk.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2756: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:2735: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
rm -rf conftest*
@ -2812,7 +2791,7 @@ if test "$cross_compiling" = yes; then
else
cat > conftest.$ac_ext <<EOF
#line 2816 "configure"
#line 2795 "configure"
#include "confdefs.h"
#include <stdio.h>
@ -2827,7 +2806,7 @@ cat > conftest.$ac_ext <<EOF
return 0;
}
EOF
{ (eval echo configure:2831: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
{ (eval echo configure:2810: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
if test -s conftest && (./conftest; exit) 2>/dev/null; then
tkmajor=`cat tkmajor`
tkminor=`cat tkminor`
@ -2993,13 +2972,13 @@ else
ac_cv_c_tklib="-l$installedtklibroot"
else
cat > conftest.$ac_ext <<EOF
#line 2997 "configure"
#line 2976 "configure"
#include "confdefs.h"
Tcl_AppInit()
{ exit(0); }
EOF
{ (eval echo configure:3003: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
{ (eval echo configure:2982: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
if test -s conftest && (./conftest; exit) 2>/dev/null; then
ac_cv_c_tklib="-l$installedtklibroot"
else
@ -3033,14 +3012,14 @@ fi
# beyond us.
if test $tclmajor -ge 7 -a $tclminor -ge 5 ; then
echo $ac_n "checking for -ldl""... $ac_c" 1>&6
ac_lib_var=`echo dl'_'main | tr './+\055' '__p_'`
ac_lib_var=`echo dl_main | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
ac_save_LIBS="$LIBS"
LIBS="-ldl $LIBS"
cat > conftest.$ac_ext <<EOF
#line 3044 "configure"
#line 3023 "configure"
#include "confdefs.h"
int main() { return 0; }
@ -3048,7 +3027,7 @@ int t() {
main()
; return 0; }
EOF
if { (eval echo configure:3052: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
if { (eval echo configure:3031: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@ -3071,14 +3050,14 @@ EOF
else
echo "$ac_t""no" 1>&6
echo $ac_n "checking for -ldld""... $ac_c" 1>&6
ac_lib_var=`echo dld'_'main | tr './+\055' '__p_'`
ac_lib_var=`echo dld_main | tr '.-/+' '___p'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
ac_save_LIBS="$LIBS"
LIBS="-ldld $LIBS"
cat > conftest.$ac_ext <<EOF
#line 3082 "configure"
#line 3061 "configure"
#include "confdefs.h"
int main() { return 0; }
@ -3086,7 +3065,7 @@ int t() {
main()
; return 0; }
EOF
if { (eval echo configure:3090: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
if { (eval echo configure:3069: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
@ -3727,7 +3706,7 @@ do
echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
-version | --version | --versio | --versi | --vers | --ver | --ve | --v)
echo "$CONFIG_STATUS generated by autoconf version 2.10"
echo "$CONFIG_STATUS generated by autoconf version 2.8"
exit 0 ;;
-help | --help | --hel | --he | --h)
echo "\$ac_cs_usage"; exit 0 ;;
@ -3792,6 +3771,7 @@ s%@target_cpu@%$target_cpu%g
s%@target_vendor@%$target_vendor%g
s%@target_os@%$target_os%g
s%@THREAD_DB_OBS@%$THREAD_DB_OBS%g
s%@CONFIG_LDFLAGS@%$CONFIG_LDFLAGS%g
s%@X_CFLAGS@%$X_CFLAGS%g
s%@X_PRE_LIBS@%$X_PRE_LIBS%g
s%@X_LIBS@%$X_LIBS%g
@ -3916,7 +3896,7 @@ rm -f conftest.vals
cat > conftest.hdr <<\EOF
s/[\\&%]/\\&/g
s%[\\$`]%\\&%g
s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD}%gp
s%#define \([A-Za-z_][A-Za-z0-9_]*\) \(.*\)%${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD}%gp
s%ac_d%ac_u%gp
s%ac_u%ac_e%gp
EOF
@ -3964,12 +3944,6 @@ cat >> $CONFIG_STATUS <<\EOF
echo "$ac_file is unchanged"
rm -f conftest.h
else
# Remove last slash and all that follows it. Not all systems have dirname.
ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
# The file is in a subdirectory.
test ! -d "$ac_dir" && mkdir "$ac_dir"
fi
rm -f $ac_file
mv conftest.h $ac_file
fi

View File

@ -96,20 +96,23 @@ AC_MSG_RESULT($gdb_cv_printf_has_long_double)
AC_FUNC_MMAP
dnl See if thread_db is around for Solaris thread debugging. Note that we must
dnl explicitly test for version 1 of the library because version 0 (present on
dnl Solaris 2.4 or earlier) doesn't have the same API.
dnl See if thread_db library is around for Solaris thread debugging. Note that
dnl we must explicitly test for version 1 of the library because version 0
dnl (present on Solaris 2.4 or earlier) doesn't have the same API.
if test ${host} = ${target} ; then
AC_MSG_CHECKING(for Solaris thread debugging library)
if test -f /usr/lib/libthread_db.so.1 ; then
AC_MSG_RESULT(yes)
LIBS="$LIBS /usr/lib/libthread_db.so.1"
THREAD_DB_OBS=sol-thread.o
AC_DEFINE(HAVE_THREAD_DB_LIB)
CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Xlinker -export-dynamic"
else
AC_MSG_RESULT(no)
fi
AC_SUBST(THREAD_DB_OBS)
AC_SUBST(CONFIG_LDFLAGS)
fi
dnl Handle optional features that can be enabled.
ENABLE_CFLAGS=

View File

@ -66,6 +66,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <fcntl.h>
#include <unistd.h>
#include <sys/stat.h>
#include <dlfcn.h>
extern struct target_ops sol_thread_ops; /* Forward declaration */
@ -121,6 +122,56 @@ static int lwp_to_thread PARAMS ((int lwp));
#define GET_THREAD(THREAD_ID) (((THREAD_ID) >> 16) & 0x7fff)
#define BUILD_LWP(LWP_ID, PID) ((LWP_ID) << 16 | (PID))
#define BUILD_THREAD(THREAD_ID, PID) (THREAD_FLAG | BUILD_LWP (THREAD_ID, PID))
/* Pointers to routines from lithread_db resolved by dlopen() */
static void
(*p_td_log) (const int on_off);
static td_err_e
(*p_td_ta_new) (const struct ps_prochandle *ph_p, td_thragent_t **ta_pp);
static td_err_e
(*p_td_ta_delete) (td_thragent_t *ta_p);
static td_err_e
(*p_td_init) (void);
static td_err_e
(*p_td_ta_get_ph) (const td_thragent_t *ta_p, struct ps_prochandle **ph_pp);
static td_err_e
(*p_td_ta_get_nthreads) (const td_thragent_t *ta_p, int *nthread_p);
static td_err_e
(*p_td_ta_tsd_iter) (const td_thragent_t *ta_p, td_key_iter_f *cb, void *cbdata_p);
static td_err_e
(*p_td_ta_thr_iter) (const td_thragent_t *ta_p, td_thr_iter_f *cb, void *cbdata_p, td_thr_state_e state,
int ti_pri, sigset_t *ti_sigmask_p, unsigned ti_user_flags);
static td_err_e
(*p_td_thr_validate) (const td_thrhandle_t *th_p);
static td_err_e
(*p_td_thr_tsd) (const td_thrhandle_t *th_p, const thread_key_t key, void **data_pp);
static td_err_e
(*p_td_thr_get_info) (const td_thrhandle_t *th_p, td_thrinfo_t *ti_p);
static td_err_e
(*p_td_thr_getfpregs) (const td_thrhandle_t *th_p, prfpregset_t *fpregset);
static td_err_e
(*p_td_thr_getxregsize) (const td_thrhandle_t *th_p, int *xregsize);
static td_err_e
(*p_td_thr_getxregs) (const td_thrhandle_t *th_p, const caddr_t xregset);
static td_err_e
(*p_td_thr_sigsetmask) (const td_thrhandle_t *th_p, const sigset_t ti_sigmask);
static td_err_e
(*p_td_thr_setprio) (const td_thrhandle_t *th_p, const int ti_pri);
static td_err_e
(*p_td_thr_setsigpending) (const td_thrhandle_t *th_p, const uchar_t ti_pending_flag, const sigset_t ti_pending);
static td_err_e
(*p_td_thr_setfpregs) (const td_thrhandle_t *th_p, const prfpregset_t *fpregset);
static td_err_e
(*p_td_thr_setxregs) (const td_thrhandle_t *th_p, const caddr_t xregset);
static td_err_e
(*p_td_ta_map_id2thr) (const td_thragent_t *ta_p, thread_t tid, td_thrhandle_t *th_p);
static td_err_e
(*p_td_ta_map_lwp2thr) (const td_thragent_t *ta_p, lwpid_t lwpid, td_thrhandle_t *th_p);
static td_err_e
(*p_td_thr_getgregs) (const td_thrhandle_t *th_p, prgregset_t regset);
static td_err_e
(*p_td_thr_setgregs) (const td_thrhandle_t *th_p, const prgregset_t regset);
/*
@ -266,11 +317,11 @@ thread_to_lwp (thread_id, default_lwp)
pid = PIDGET (thread_id);
thread_id = GET_THREAD(thread_id);
val = td_ta_map_id2thr (main_ta, thread_id, &th);
val = p_td_ta_map_id2thr (main_ta, thread_id, &th);
if (val != TD_OK)
error ("thread_to_lwp: td_ta_map_id2thr %s", td_err_string (val));
val = td_thr_get_info (&th, &ti);
val = p_td_thr_get_info (&th, &ti);
if (val != TD_OK)
error ("thread_to_lwp: td_thr_get_info: %s", td_err_string (val));
@ -327,11 +378,11 @@ lwp_to_thread (lwp)
pid = PIDGET (lwp);
lwp = GET_LWP (lwp);
val = td_ta_map_lwp2thr (main_ta, lwp, &th);
val = p_td_ta_map_lwp2thr (main_ta, lwp, &th);
if (val != TD_OK)
error ("lwp_to_thread: td_thr_get_info: %s.", td_err_string (val));
val = td_thr_get_info (&th, &ti);
val = p_td_thr_get_info (&th, &ti);
if (val != TD_OK)
error ("lwp_to_thread: td_thr_get_info: %s.", td_err_string (val));
@ -518,14 +569,14 @@ sol_thread_fetch_registers (regno)
if (thread == 0)
error ("sol_thread_fetch_registers: thread == 0");
val = td_ta_map_id2thr (main_ta, thread, &thandle);
val = p_td_ta_map_id2thr (main_ta, thread, &thandle);
if (val != TD_OK)
error ("sol_thread_fetch_registers: td_ta_map_id2thr: %s",
td_err_string (val));
/* Get the integer regs */
val = td_thr_getgregs (&thandle, gregset);
val = p_td_thr_getgregs (&thandle, gregset);
if (val != TD_OK
&& val != TD_PARTIALREG)
error ("sol_thread_fetch_registers: td_thr_getgregs %s",
@ -536,7 +587,7 @@ sol_thread_fetch_registers (regno)
/* And, now the fp regs */
val = td_thr_getfpregs (&thandle, &fpregset);
val = p_td_thr_getfpregs (&thandle, &fpregset);
if (val != TD_OK
&& val != TD_NOFPREGS)
error ("sol_thread_fetch_registers: td_thr_getfpregs %s",
@ -585,18 +636,18 @@ sol_thread_store_registers (regno)
thread = GET_THREAD (inferior_pid);
val = td_ta_map_id2thr (main_ta, thread, &thandle);
val = p_td_ta_map_id2thr (main_ta, thread, &thandle);
if (val != TD_OK)
error ("sol_thread_store_registers: td_ta_map_id2thr %s",
td_err_string (val));
if (regno != -1)
{ /* Not writing all the regs */
val = td_thr_getgregs (&thandle, regset);
val = p_td_thr_getgregs (&thandle, regset);
if (val != TD_OK)
error ("sol_thread_store_registers: td_thr_getgregs %s",
td_err_string (val));
val = td_thr_getfpregs (&thandle, &fpregset);
val = p_td_thr_getfpregs (&thandle, &fpregset);
if (val != TD_OK)
error ("sol_thread_store_registers: td_thr_getfpregs %s",
td_err_string (val));
@ -622,11 +673,11 @@ sol_thread_store_registers (regno)
fill_gregset (regset, regno);
fill_fpregset (fpregset, regno);
val = td_thr_setgregs (&thandle, regset);
val = p_td_thr_setgregs (&thandle, regset);
if (val != TD_OK)
error ("sol_thread_store_registers: td_thr_setgregs %s",
td_err_string (val));
val = td_thr_setfpregs (&thandle, &fpregset);
val = p_td_thr_setfpregs (&thandle, &fpregset);
if (val != TD_OK)
error ("sol_thread_store_registers: td_thr_setfpregs %s",
td_err_string (val));
@ -747,11 +798,11 @@ sol_thread_new_objfile (objfile)
the shared libraries are located because it needs information from the
user's thread library. */
val = td_init ();
val = p_td_init ();
if (val != TD_OK)
error ("target_new_objfile: td_init: %s", td_err_string (val));
val = td_ta_new (&main_ph, &main_ta);
val = p_td_ta_new (&main_ph, &main_ta);
if (val == TD_NOLIBTHREAD)
return;
else if (val != TD_OK)
@ -1135,7 +1186,52 @@ struct target_ops sol_thread_ops = {
void
_initialize_sol_thread ()
{
void *dlhandle;
dlhandle = dlopen ("libthread_db.so.1", RTLD_NOW);
if (!dlhandle)
goto die;
#define resolve(X) \
if (!(p_##X = dlsym (dlhandle, #X))) \
goto die;
resolve (td_log);
resolve (td_ta_new);
resolve (td_ta_delete);
resolve (td_init);
resolve (td_ta_get_ph);
resolve (td_ta_get_nthreads);
resolve (td_ta_tsd_iter);
resolve (td_ta_thr_iter);
resolve (td_thr_validate);
resolve (td_thr_tsd);
resolve (td_thr_get_info);
resolve (td_thr_getfpregs);
resolve (td_thr_getxregsize);
resolve (td_thr_getxregs);
resolve (td_thr_sigsetmask);
resolve (td_thr_setprio);
resolve (td_thr_setsigpending);
resolve (td_thr_setfpregs);
resolve (td_thr_setxregs);
resolve (td_ta_map_id2thr);
resolve (td_ta_map_lwp2thr);
resolve (td_thr_getgregs);
resolve (td_thr_setgregs);
add_target (&sol_thread_ops);
procfs_suppress_run = 1;
return;
die:
fprintf_unfiltered (gdb_stderr, "[GDB will not be able to debug user-mode threads: %s]\n", dlerror ());
if (dlhandle)
dlclose (dlhandle);
return;
}