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Part II of getting GdbTk's stop button to always work.

This commit is contained in:
Andrew Cagney 1997-05-08 01:00:39 +00:00
parent a7b2f95a49
commit c14cabbac4
6 changed files with 205 additions and 120 deletions
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22
gdb/ChangeLog
View File

@ -1,3 +1,25 @@
Thu May 8 08:42:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
* configure.in (AC_TYPE_SIGNAL): Add
* configure: Re-generate.
* remote-sim.c: Signal returns RETSIGTYPE.
start-sanitize-gdbtk
Wed May 7 19:10:19 1997 Andrew Cagney <cagney@b1.cygnus.com>
* gdbtk.c (wrapped_call): New function - make actual call to tk
worker function.
(call_wrapper): Rewrite to use top.c:catch_errors.
* gdbtk.c (gdb_stop): If No target_stop set quit flag and hope for
best.
end-sanitize-gdbtk
Wed May 7 20:05:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
* target.h (target_stop): Drop argument so it can be tested for
NULL.
Sat May 3 20:51:48 1997 Mark Alexander <marka@cygnus.com> Sat May 3 20:51:48 1997 Mark Alexander <marka@cygnus.com>
* utils.c (floatformat_from_doublest): Handle infinity properly. * utils.c (floatformat_from_doublest): Handle infinity properly.

3
gdb/config.in
View File

@ -35,6 +35,9 @@
/* Define if you need to in order for stat and other things to work. */ /* Define if you need to in order for stat and other things to work. */
#undef _POSIX_SOURCE #undef _POSIX_SOURCE
/* Define as the return type of signal handlers (int or void). */
#undef RETSIGTYPE
/* Define if the `S_IS*' macros in <sys/stat.h> do not work properly. */ /* Define if the `S_IS*' macros in <sys/stat.h> do not work properly. */
#undef STAT_MACROS_BROKEN #undef STAT_MACROS_BROKEN

190
gdb/configure vendored
View File

@ -1232,21 +1232,63 @@ test "$program_suffix" != NONE &&
test "$program_transform_name" = "" && program_transform_name="s,x,x," test "$program_transform_name" = "" && program_transform_name="s,x,x,"
echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
echo "configure:1237: checking for ANSI C header files" >&5 echo "configure:1237: checking return type of signal handlers" >&5
if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1242 "configure" #line 1242 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <sys/types.h>
#include <signal.h>
#ifdef signal
#undef signal
#endif
#ifdef __cplusplus
extern "C" void (*signal (int, void (*)(int)))(int);
#else
void (*signal ()) ();
#endif
int main() {
int i;
; return 0; }
EOF
if { (eval echo configure:1259: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_type_signal=void
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -rf conftest*
ac_cv_type_signal=int
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_type_signal" 1>&6
cat >> confdefs.h <<EOF
#define RETSIGTYPE $ac_cv_type_signal
EOF
echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
echo "configure:1279: checking for ANSI C header files" >&5
if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1284 "configure"
#include "confdefs.h"
#include <stdlib.h> #include <stdlib.h>
#include <stdarg.h> #include <stdarg.h>
#include <string.h> #include <string.h>
#include <float.h> #include <float.h>
EOF EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1250: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } { (eval echo configure:1292: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out` ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then if test -z "$ac_err"; then
rm -rf conftest* rm -rf conftest*
@ -1263,7 +1305,7 @@ rm -f conftest*
if test $ac_cv_header_stdc = yes; then if test $ac_cv_header_stdc = yes; then
# SunOS 4.x string.h does not declare mem*, contrary to ANSI. # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1267 "configure" #line 1309 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <string.h> #include <string.h>
EOF EOF
@ -1281,7 +1323,7 @@ fi
if test $ac_cv_header_stdc = yes; then if test $ac_cv_header_stdc = yes; then
# ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1285 "configure" #line 1327 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <stdlib.h> #include <stdlib.h>
EOF EOF
@ -1302,7 +1344,7 @@ if test "$cross_compiling" = yes; then
: :
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1306 "configure" #line 1348 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <ctype.h> #include <ctype.h>
#define ISLOWER(c) ('a' <= (c) && (c) <= 'z') #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@ -1313,7 +1355,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
exit (0); } exit (0); }
EOF EOF
if { (eval echo configure:1317: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null if { (eval echo configure:1359: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
then then
: :
else else
@ -1340,17 +1382,17 @@ for ac_hdr in limits.h memory.h string.h strings.h unistd.h termios.h termio.h s
do do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'` ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:1344: checking for $ac_hdr" >&5 echo "configure:1386: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1349 "configure" #line 1391 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <$ac_hdr> #include <$ac_hdr>
EOF EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1354: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } { (eval echo configure:1396: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out` ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then if test -z "$ac_err"; then
rm -rf conftest* rm -rf conftest*
@ -1377,12 +1419,12 @@ fi
done done
echo $ac_n "checking whether stat file-mode macros are broken""... $ac_c" 1>&6 echo $ac_n "checking whether stat file-mode macros are broken""... $ac_c" 1>&6
echo "configure:1381: checking whether stat file-mode macros are broken" >&5 echo "configure:1423: checking whether stat file-mode macros are broken" >&5
if eval "test \"`echo '$''{'ac_cv_header_stat_broken'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_header_stat_broken'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1386 "configure" #line 1428 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <sys/types.h> #include <sys/types.h>
#include <sys/stat.h> #include <sys/stat.h>
@ -1434,12 +1476,12 @@ fi
echo $ac_n "checking for working const""... $ac_c" 1>&6 echo $ac_n "checking for working const""... $ac_c" 1>&6
echo "configure:1438: checking for working const" >&5 echo "configure:1480: checking for working const" >&5
if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1443 "configure" #line 1485 "configure"
#include "confdefs.h" #include "confdefs.h"
int main() { int main() {
@ -1488,7 +1530,7 @@ ccp = (char const *const *) p;
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:1492: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then if { (eval echo configure:1534: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest* rm -rf conftest*
ac_cv_c_const=yes ac_cv_c_const=yes
else else
@ -1512,12 +1554,12 @@ fi
for ac_func in setpgid sbrk select poll for ac_func in setpgid sbrk select poll
do do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:1516: checking for $ac_func" >&5 echo "configure:1558: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1521 "configure" #line 1563 "configure"
#include "confdefs.h" #include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes, /* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */ which can conflict with char $ac_func(); below. */
@ -1540,7 +1582,7 @@ $ac_func();
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:1544: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:1586: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_func_$ac_func=yes" eval "ac_cv_func_$ac_func=yes"
else else
@ -1582,19 +1624,19 @@ EOF
fi fi
echo $ac_n "checking for gregset_t type""... $ac_c" 1>&6 echo $ac_n "checking for gregset_t type""... $ac_c" 1>&6
echo "configure:1586: checking for gregset_t type" >&5 echo "configure:1628: checking for gregset_t type" >&5
if eval "test \"`echo '$''{'gdb_cv_have_gregset_t'+set}'`\" = set"; then if eval "test \"`echo '$''{'gdb_cv_have_gregset_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1591 "configure" #line 1633 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <sys/procfs.h> #include <sys/procfs.h>
int main() { int main() {
gregset_t *gregsetp = 0 gregset_t *gregsetp = 0
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:1598: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:1640: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
gdb_cv_have_gregset_t=yes gdb_cv_have_gregset_t=yes
else else
@ -1615,19 +1657,19 @@ EOF
fi fi
echo $ac_n "checking for fpregset_t type""... $ac_c" 1>&6 echo $ac_n "checking for fpregset_t type""... $ac_c" 1>&6
echo "configure:1619: checking for fpregset_t type" >&5 echo "configure:1661: checking for fpregset_t type" >&5
if eval "test \"`echo '$''{'gdb_cv_have_fpregset_t'+set}'`\" = set"; then if eval "test \"`echo '$''{'gdb_cv_have_fpregset_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1624 "configure" #line 1666 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <sys/procfs.h> #include <sys/procfs.h>
int main() { int main() {
fpregset_t *fpregsetp = 0 fpregset_t *fpregsetp = 0
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:1631: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:1673: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
gdb_cv_have_fpregset_t=yes gdb_cv_have_fpregset_t=yes
else else
@ -1648,7 +1690,7 @@ EOF
fi fi
echo $ac_n "checking for main in -lm""... $ac_c" 1>&6 echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
echo "configure:1652: checking for main in -lm" >&5 echo "configure:1694: checking for main in -lm" >&5
ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'` ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
@ -1656,14 +1698,14 @@ else
ac_save_LIBS="$LIBS" ac_save_LIBS="$LIBS"
LIBS="-lm $LIBS" LIBS="-lm $LIBS"
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1660 "configure" #line 1702 "configure"
#include "confdefs.h" #include "confdefs.h"
int main() { int main() {
main() main()
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:1667: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:1709: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes" eval "ac_cv_lib_$ac_lib_var=yes"
else else
@ -1693,12 +1735,12 @@ fi
echo $ac_n "checking for long long support in compiler""... $ac_c" 1>&6 echo $ac_n "checking for long long support in compiler""... $ac_c" 1>&6
echo "configure:1697: checking for long long support in compiler" >&5 echo "configure:1739: checking for long long support in compiler" >&5
if eval "test \"`echo '$''{'gdb_cv_c_long_long'+set}'`\" = set"; then if eval "test \"`echo '$''{'gdb_cv_c_long_long'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1702 "configure" #line 1744 "configure"
#include "confdefs.h" #include "confdefs.h"
int main() { int main() {
@ -1708,7 +1750,7 @@ int main() {
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:1712: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then if { (eval echo configure:1754: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest* rm -rf conftest*
gdb_cv_c_long_long=yes gdb_cv_c_long_long=yes
else else
@ -1730,7 +1772,7 @@ fi
echo $ac_n "checking for long long support in printf""... $ac_c" 1>&6 echo $ac_n "checking for long long support in printf""... $ac_c" 1>&6
echo "configure:1734: checking for long long support in printf" >&5 echo "configure:1776: checking for long long support in printf" >&5
if eval "test \"`echo '$''{'gdb_cv_printf_has_long_long'+set}'`\" = set"; then if eval "test \"`echo '$''{'gdb_cv_printf_has_long_long'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
@ -1738,7 +1780,7 @@ else
gdb_cv_printf_has_long_long=no gdb_cv_printf_has_long_long=no
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1742 "configure" #line 1784 "configure"
#include "confdefs.h" #include "confdefs.h"
int main () { int main () {
@ -1748,7 +1790,7 @@ int main () {
return (strcmp ("12345", buf)); return (strcmp ("12345", buf));
} }
EOF EOF
if { (eval echo configure:1752: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null if { (eval echo configure:1794: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
then then
gdb_cv_printf_has_long_long=yes gdb_cv_printf_has_long_long=yes
else else
@ -1772,19 +1814,19 @@ echo "$ac_t""$gdb_cv_printf_has_long_long" 1>&6
echo $ac_n "checking for long double support in compiler""... $ac_c" 1>&6 echo $ac_n "checking for long double support in compiler""... $ac_c" 1>&6
echo "configure:1776: checking for long double support in compiler" >&5 echo "configure:1818: checking for long double support in compiler" >&5
if eval "test \"`echo '$''{'ac_cv_c_long_double'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_c_long_double'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1781 "configure" #line 1823 "configure"
#include "confdefs.h" #include "confdefs.h"
int main() { int main() {
long double foo; long double foo;
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:1788: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then if { (eval echo configure:1830: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest* rm -rf conftest*
ac_cv_c_long_double=yes ac_cv_c_long_double=yes
else else
@ -1806,7 +1848,7 @@ fi
echo $ac_n "checking for long double support in printf""... $ac_c" 1>&6 echo $ac_n "checking for long double support in printf""... $ac_c" 1>&6
echo "configure:1810: checking for long double support in printf" >&5 echo "configure:1852: checking for long double support in printf" >&5
if eval "test \"`echo '$''{'gdb_cv_printf_has_long_double'+set}'`\" = set"; then if eval "test \"`echo '$''{'gdb_cv_printf_has_long_double'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
@ -1814,7 +1856,7 @@ else
gdb_cv_printf_has_long_double=no gdb_cv_printf_has_long_double=no
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1818 "configure" #line 1860 "configure"
#include "confdefs.h" #include "confdefs.h"
int main () { int main () {
@ -1824,7 +1866,7 @@ int main () {
return (strncmp ("3.14159", buf, 7)); return (strncmp ("3.14159", buf, 7));
} }
EOF EOF
if { (eval echo configure:1828: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null if { (eval echo configure:1870: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
then then
gdb_cv_printf_has_long_double=yes gdb_cv_printf_has_long_double=yes
else else
@ -1850,17 +1892,17 @@ for ac_hdr in unistd.h
do do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'` ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:1854: checking for $ac_hdr" >&5 echo "configure:1896: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1859 "configure" #line 1901 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <$ac_hdr> #include <$ac_hdr>
EOF EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1864: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } { (eval echo configure:1906: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out` ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then if test -z "$ac_err"; then
rm -rf conftest* rm -rf conftest*
@ -1889,12 +1931,12 @@ done
for ac_func in getpagesize for ac_func in getpagesize
do do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:1893: checking for $ac_func" >&5 echo "configure:1935: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1898 "configure" #line 1940 "configure"
#include "confdefs.h" #include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes, /* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */ which can conflict with char $ac_func(); below. */
@ -1917,7 +1959,7 @@ $ac_func();
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:1921: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:1963: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_func_$ac_func=yes" eval "ac_cv_func_$ac_func=yes"
else else
@ -1942,7 +1984,7 @@ fi
done done
echo $ac_n "checking for working mmap""... $ac_c" 1>&6 echo $ac_n "checking for working mmap""... $ac_c" 1>&6
echo "configure:1946: checking for working mmap" >&5 echo "configure:1988: checking for working mmap" >&5
if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
@ -1950,7 +1992,7 @@ else
ac_cv_func_mmap_fixed_mapped=no ac_cv_func_mmap_fixed_mapped=no
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 1954 "configure" #line 1996 "configure"
#include "confdefs.h" #include "confdefs.h"
/* Thanks to Mike Haertel and Jim Avera for this test. /* Thanks to Mike Haertel and Jim Avera for this test.
@ -2090,7 +2132,7 @@ main()
} }
EOF EOF
if { (eval echo configure:2094: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null if { (eval echo configure:2136: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
then then
ac_cv_func_mmap_fixed_mapped=yes ac_cv_func_mmap_fixed_mapped=yes
else else
@ -2114,12 +2156,12 @@ fi
echo $ac_n "checking whether malloc must be declared""... $ac_c" 1>&6 echo $ac_n "checking whether malloc must be declared""... $ac_c" 1>&6
echo "configure:2118: checking whether malloc must be declared" >&5 echo "configure:2160: checking whether malloc must be declared" >&5
if eval "test \"`echo '$''{'bfd_cv_decl_needed_malloc'+set}'`\" = set"; then if eval "test \"`echo '$''{'bfd_cv_decl_needed_malloc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 2123 "configure" #line 2165 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <stdio.h> #include <stdio.h>
@ -2140,7 +2182,7 @@ int main() {
char *(*pfn) = (char *(*)) malloc char *(*pfn) = (char *(*)) malloc
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:2144: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then if { (eval echo configure:2186: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest* rm -rf conftest*
bfd_cv_decl_needed_malloc=no bfd_cv_decl_needed_malloc=no
else else
@ -2162,12 +2204,12 @@ EOF
fi fi
echo $ac_n "checking whether realloc must be declared""... $ac_c" 1>&6 echo $ac_n "checking whether realloc must be declared""... $ac_c" 1>&6
echo "configure:2166: checking whether realloc must be declared" >&5 echo "configure:2208: checking whether realloc must be declared" >&5
if eval "test \"`echo '$''{'bfd_cv_decl_needed_realloc'+set}'`\" = set"; then if eval "test \"`echo '$''{'bfd_cv_decl_needed_realloc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 2171 "configure" #line 2213 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <stdio.h> #include <stdio.h>
@ -2188,7 +2230,7 @@ int main() {
char *(*pfn) = (char *(*)) realloc char *(*pfn) = (char *(*)) realloc
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:2192: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then if { (eval echo configure:2234: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest* rm -rf conftest*
bfd_cv_decl_needed_realloc=no bfd_cv_decl_needed_realloc=no
else else
@ -2210,12 +2252,12 @@ EOF
fi fi
echo $ac_n "checking whether free must be declared""... $ac_c" 1>&6 echo $ac_n "checking whether free must be declared""... $ac_c" 1>&6
echo "configure:2214: checking whether free must be declared" >&5 echo "configure:2256: checking whether free must be declared" >&5
if eval "test \"`echo '$''{'bfd_cv_decl_needed_free'+set}'`\" = set"; then if eval "test \"`echo '$''{'bfd_cv_decl_needed_free'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 2219 "configure" #line 2261 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <stdio.h> #include <stdio.h>
@ -2236,7 +2278,7 @@ int main() {
char *(*pfn) = (char *(*)) free char *(*pfn) = (char *(*)) free
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:2240: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then if { (eval echo configure:2282: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest* rm -rf conftest*
bfd_cv_decl_needed_free=no bfd_cv_decl_needed_free=no
else else
@ -2264,7 +2306,7 @@ if test ${build} = ${host} -a ${host} = ${target} ; then
case ${host_os} in case ${host_os} in
hpux*) hpux*)
echo $ac_n "checking for HPUX/OSF thread support""... $ac_c" 1>&6 echo $ac_n "checking for HPUX/OSF thread support""... $ac_c" 1>&6
echo "configure:2268: checking for HPUX/OSF thread support" >&5 echo "configure:2310: checking for HPUX/OSF thread support" >&5
if test -f /usr/include/dce/cma_config.h ; then if test -f /usr/include/dce/cma_config.h ; then
if test "$GCC" = "yes" ; then if test "$GCC" = "yes" ; then
echo "$ac_t""yes" 1>&6 echo "$ac_t""yes" 1>&6
@ -2282,7 +2324,7 @@ EOF
;; ;;
solaris*) solaris*)
echo $ac_n "checking for Solaris thread debugging library""... $ac_c" 1>&6 echo $ac_n "checking for Solaris thread debugging library""... $ac_c" 1>&6
echo "configure:2286: checking for Solaris thread debugging library" >&5 echo "configure:2328: checking for Solaris thread debugging library" >&5
if test -f /usr/lib/libthread_db.so.1 ; then if test -f /usr/lib/libthread_db.so.1 ; then
echo "$ac_t""yes" 1>&6 echo "$ac_t""yes" 1>&6
cat >> confdefs.h <<\EOF cat >> confdefs.h <<\EOF
@ -2291,7 +2333,7 @@ EOF
CONFIG_OBS="${CONFIG_OBS} sol-thread.o" CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
echo "configure:2295: checking for dlopen in -ldl" >&5 echo "configure:2337: checking for dlopen in -ldl" >&5
ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'` ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
@ -2299,7 +2341,7 @@ else
ac_save_LIBS="$LIBS" ac_save_LIBS="$LIBS"
LIBS="-ldl $LIBS" LIBS="-ldl $LIBS"
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 2303 "configure" #line 2345 "configure"
#include "confdefs.h" #include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */ /* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2 /* We use char because int might match the return type of a gcc2
@ -2310,7 +2352,7 @@ int main() {
dlopen() dlopen()
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:2314: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:2356: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes" eval "ac_cv_lib_$ac_lib_var=yes"
else else
@ -2447,7 +2489,7 @@ if test "${with_tclconfig+set}" = set; then
fi fi
echo $ac_n "checking for Tcl configuration""... $ac_c" 1>&6 echo $ac_n "checking for Tcl configuration""... $ac_c" 1>&6
echo "configure:2451: checking for Tcl configuration" >&5 echo "configure:2493: checking for Tcl configuration" >&5
if eval "test \"`echo '$''{'ac_cv_c_tclconfig'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_c_tclconfig'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
@ -2555,7 +2597,7 @@ if test "${with_tkconfig+set}" = set; then
fi fi
echo $ac_n "checking for Tk configuration""... $ac_c" 1>&6 echo $ac_n "checking for Tk configuration""... $ac_c" 1>&6
echo "configure:2559: checking for Tk configuration" >&5 echo "configure:2601: checking for Tk configuration" >&5
if eval "test \"`echo '$''{'ac_cv_c_tkconfig'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_c_tkconfig'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
@ -2650,7 +2692,7 @@ fi
no_tcl=true no_tcl=true
echo $ac_n "checking for Tcl private headers. dir=${configdir}""... $ac_c" 1>&6 echo $ac_n "checking for Tcl private headers. dir=${configdir}""... $ac_c" 1>&6
echo "configure:2654: checking for Tcl private headers. dir=${configdir}" >&5 echo "configure:2696: checking for Tcl private headers. dir=${configdir}" >&5
# Check whether --with-tclinclude or --without-tclinclude was given. # Check whether --with-tclinclude or --without-tclinclude was given.
if test "${with_tclinclude+set}" = set; then if test "${with_tclinclude+set}" = set; then
withval="$with_tclinclude" withval="$with_tclinclude"
@ -2716,17 +2758,17 @@ fi
if test x"${ac_cv_c_tclh}" = x ; then if test x"${ac_cv_c_tclh}" = x ; then
ac_safe=`echo "tclInt.h" | sed 'y%./+-%__p_%'` ac_safe=`echo "tclInt.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for tclInt.h""... $ac_c" 1>&6 echo $ac_n "checking for tclInt.h""... $ac_c" 1>&6
echo "configure:2720: checking for tclInt.h" >&5 echo "configure:2762: checking for tclInt.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 2725 "configure" #line 2767 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <tclInt.h> #include <tclInt.h>
EOF EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2730: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } { (eval echo configure:2772: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out` ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then if test -z "$ac_err"; then
rm -rf conftest* rm -rf conftest*
@ -2786,7 +2828,7 @@ fi
# #
no_tk=true no_tk=true
echo $ac_n "checking for Tk private headers""... $ac_c" 1>&6 echo $ac_n "checking for Tk private headers""... $ac_c" 1>&6
echo "configure:2790: checking for Tk private headers" >&5 echo "configure:2832: checking for Tk private headers" >&5
# Check whether --with-tkinclude or --without-tkinclude was given. # Check whether --with-tkinclude or --without-tkinclude was given.
if test "${with_tkinclude+set}" = set; then if test "${with_tkinclude+set}" = set; then
withval="$with_tkinclude" withval="$with_tkinclude"
@ -2852,17 +2894,17 @@ fi
if test x"${ac_cv_c_tkh}" = x ; then if test x"${ac_cv_c_tkh}" = x ; then
ac_safe=`echo "tk.h" | sed 'y%./+-%__p_%'` ac_safe=`echo "tk.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for tk.h""... $ac_c" 1>&6 echo $ac_n "checking for tk.h""... $ac_c" 1>&6
echo "configure:2856: checking for tk.h" >&5 echo "configure:2898: checking for tk.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 2861 "configure" #line 2903 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <tk.h> #include <tk.h>
EOF EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2866: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } { (eval echo configure:2908: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out` ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then if test -z "$ac_err"; then
rm -rf conftest* rm -rf conftest*
@ -3067,7 +3109,7 @@ links="${links} nm.h"
fi fi
# start-sanitize-gdbtk # start-sanitize-gdbtk
echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
echo "configure:3071: checking whether ln -s works" >&5 echo "configure:3113: checking whether ln -s works" >&5
if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else

2
gdb/configure.in
View File

@ -55,6 +55,8 @@ AC_PROG_AWK
AC_ARG_PROGRAM AC_ARG_PROGRAM
AC_TYPE_SIGNAL
AC_HEADER_STDC AC_HEADER_STDC
AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.h sgtty.h stddef.h stdlib.h sys/procfs.h link.h endian.h objlist.h) AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.h sgtty.h stddef.h stdlib.h sys/procfs.h link.h endian.h objlist.h)
AC_HEADER_STAT AC_HEADER_STAT

53
gdb/gdbtk.c
View File

@ -806,6 +806,26 @@ gdb_cmd (clientData, interp, argc, argv)
return TCL_OK; return TCL_OK;
} }
/* Client of call_wrapper - this routine performs the actual call to
the client function. */
struct wrapped_call_args
{
Tcl_Interp *interp;
Tcl_CmdProc *func;
int argc;
char **argv;
int val;
};
static int
wrapped_call (args)
struct wrapped_call_args *args;
{
args->val = (*args->func) (args->func, args->interp, args->argc, args->argv);
return 1;
}
/* This routine acts as a top-level for all GDB code called by tcl/Tk. It /* This routine acts as a top-level for all GDB code called by tcl/Tk. It
handles cleanups, and calls to return_to_top_level (usually via error). handles cleanups, and calls to return_to_top_level (usually via error).
This is necessary in order to prevent a longjmp out of the bowels of Tk, This is necessary in order to prevent a longjmp out of the bowels of Tk,
@ -820,26 +840,22 @@ call_wrapper (clientData, interp, argc, argv)
int argc; int argc;
char *argv[]; char *argv[];
{ {
int val; struct wrapped_call_args wrapped_args;
struct cleanup *saved_cleanup_chain;
Tcl_CmdProc *func;
jmp_buf saved_error_return;
Tcl_DString result, *old_result_ptr; Tcl_DString result, *old_result_ptr;
Tcl_DStringInit (&result); Tcl_DStringInit (&result);
old_result_ptr = result_ptr; old_result_ptr = result_ptr;
result_ptr = &result; result_ptr = &result;
func = (Tcl_CmdProc *)clientData; wrapped_args.func = (Tcl_CmdProc *)clientData;
memcpy (saved_error_return, error_return, sizeof (jmp_buf)); wrapped_args.interp = interp;
wrapped_args.argc = argc;
wrapped_args.argv = argv;
wrapped_args.val = 0;
saved_cleanup_chain = save_cleanups (); if (!catch_errors (wrapped_call, &wrapped_args, "", RETURN_MASK_ALL))
if (!setjmp (error_return))
val = func (clientData, interp, argc, argv);
else
{ {
val = TCL_ERROR; /* Flag an error for TCL */ wrapped_args.val = TCL_ERROR; /* Flag an error for TCL */
gdb_flush (gdb_stderr); /* Flush error output */ gdb_flush (gdb_stderr); /* Flush error output */
@ -853,16 +869,10 @@ call_wrapper (clientData, interp, argc, argv)
Tcl_Eval (interp, "gdbtk_tcl_idle"); Tcl_Eval (interp, "gdbtk_tcl_idle");
} }
do_cleanups (ALL_CLEANUPS);
restore_cleanups (saved_cleanup_chain);
memcpy (error_return, saved_error_return, sizeof (jmp_buf));
Tcl_DStringResult (interp, &result); Tcl_DStringResult (interp, &result);
result_ptr = old_result_ptr; result_ptr = old_result_ptr;
return val; return wrapped_args.val;
} }
static int static int
@ -892,7 +902,10 @@ gdb_stop (clientData, interp, argc, argv)
int argc; int argc;
char *argv[]; char *argv[];
{ {
target_stop (); if (target_stop)
target_stop ();
else
quit_flag = 1; /* hope something sees this */
return TCL_OK; return TCL_OK;
} }

55
gdb/remote-sim.c
View File

@ -243,26 +243,6 @@ gdb_os_flush_stderr (p)
gdb_flush (gdb_stderr); gdb_flush (gdb_stderr);
} }
/* GDB version of os_poll_quit callback.
Taken from gdb/util.c - should be in a library */
static int
gdb_os_poll_quit (p)
host_callback *p;
{
notice_quit ();
if (quit_flag)
{
quit_flag = 0; /* we've stolen it */
return 1;
}
else if (immediate_quit)
{
return 1;
}
return 0;
}
/* GDB version of printf_filtered callback. */ /* GDB version of printf_filtered callback. */
/* VARARGS */ /* VARARGS */
@ -615,25 +595,47 @@ gdbsim_resume (pid, step, siggnal)
} }
/* Notify the simulator of an asynchronous request to stop. /* Notify the simulator of an asynchronous request to stop.
Since some simulators can not stop, help them out.
When stepping, need to also notify the client that it The simulator shall ensure that the stop request is eventually
too should quit */ delivered to the simulator. If the call is made while the
simulator is not running then the stop request is processed when
the simulator is next resumed.
For simulators that do not support this operation, just abort */
static void static void
gdbsim_stop () gdbsim_stop ()
{ {
if (! sim_stop (gdbsim_desc)) if (! sim_stop (gdbsim_desc))
{ {
error ("gdbsim_stop: simulator failed to stop!\n"); quit ();
} }
} }
/* GDB version of os_poll_quit callback.
Taken from gdb/util.c - should be in a library */
static int
gdb_os_poll_quit (p)
host_callback *p;
{
notice_quit ();
if (quit_flag) /* gdb's idea of quit */
{
quit_flag = 0; /* we've stolen it */
return 1;
}
else if (immediate_quit)
{
return 1;
}
return 0;
}
/* Wait for inferior process to do something. Return pid of child, /* Wait for inferior process to do something. Return pid of child,
or -1 in case of error; store status through argument pointer STATUS, or -1 in case of error; store status through argument pointer STATUS,
just as `wait' would. */ just as `wait' would. */
static void (*prev_sigint) ();
static void static void
gdbsim_cntrl_c (int signo) gdbsim_cntrl_c (int signo)
{ {
@ -645,6 +647,7 @@ gdbsim_wait (pid, status)
int pid; int pid;
struct target_waitstatus *status; struct target_waitstatus *status;
{ {
static RETSIGTYPE (*prev_sigint) ();
int sigrc = 0; int sigrc = 0;
enum sim_stop reason = sim_running; enum sim_stop reason = sim_running;