diff options
| -rw-r--r-- | boehm-gc/ChangeLog | 14 | ||||
| -rwxr-xr-x | boehm-gc/configure | 676 | ||||
| -rw-r--r-- | boehm-gc/configure.ac | 33 | ||||
| -rw-r--r-- | boehm-gc/darwin_stop_world.c | 221 | ||||
| -rw-r--r-- | boehm-gc/include/gc_config.h.in | 20 | ||||
| -rw-r--r-- | gcc/ChangeLog | 11 | ||||
| -rw-r--r-- | gcc/config.in | 13 | ||||
| -rw-r--r-- | gcc/config/rs6000/host-darwin.c | 15 | ||||
| -rwxr-xr-x | gcc/configure | 138 | ||||
| -rw-r--r-- | gcc/configure.ac | 22 |
10 files changed, 1063 insertions, 100 deletions
diff --git a/boehm-gc/ChangeLog b/boehm-gc/ChangeLog index 4bcd87cf440..cdb7f7c1d90 100644 --- a/boehm-gc/ChangeLog +++ b/boehm-gc/ChangeLog @@ -1,3 +1,17 @@ +2006-06-02 Geoffrey Keating <geoffk@apple.com> + + * configure.ac: Define HAS_PPC_THREAD_STATE_R0, + HAS_PPC_THREAD_STATE___R0, HAS_PPC_THREAD_STATE64_R0, + HAS_PPC_THREAD_STATE64___R0, HAS_I386_THREAD_STATE_EAX, + HAS_I386_THREAD_STATE___EAX. + * configure: Regenerate. + * include/gc_config.h.in: Regenerate. + * darwin_stop_world.c (PPC_RED_ZONE_SIZE): Use standard Darwin + macro names to determine value. + (THREAD_STATE): New. + (THREAD_FLD): New. + (GC_push_all_stacks): Use THREAD_STATE and THREAD_FLD in both versions. + 2006-05-24 Carlos O'Donell <carlos@codesourcery.com> * Makefile.am: Add install-html target. diff --git a/boehm-gc/configure b/boehm-gc/configure index 65575a5d137..2b9d6f5f6e6 100755 --- a/boehm-gc/configure +++ b/boehm-gc/configure @@ -5597,6 +5597,682 @@ else fi +# Darwin needs a few extra special tests to deal with variation in the +# system headers. +case "$host" in + powerpc*-*-darwin*) + echo "$as_me:$LINENO: checking for ppc_thread_state_t.r0" >&5 +echo $ECHO_N "checking for ppc_thread_state_t.r0... $ECHO_C" >&6 +if test "${ac_cv_member_ppc_thread_state_t_r0+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <mach/thread_status.h> + +int +main () +{ +static ppc_thread_state_t ac_aggr; +if (ac_aggr.r0) +return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_member_ppc_thread_state_t_r0=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <mach/thread_status.h> + +int +main () +{ +static ppc_thread_state_t ac_aggr; +if (sizeof ac_aggr.r0) +return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_member_ppc_thread_state_t_r0=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_member_ppc_thread_state_t_r0=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_member_ppc_thread_state_t_r0" >&5 +echo "${ECHO_T}$ac_cv_member_ppc_thread_state_t_r0" >&6 +if test $ac_cv_member_ppc_thread_state_t_r0 = yes; then + +cat >>confdefs.h <<\_ACEOF +#define HAS_PPC_THREAD_STATE_R0 +_ACEOF + +fi + + echo "$as_me:$LINENO: checking for ppc_thread_state_t.__r0" >&5 +echo $ECHO_N "checking for ppc_thread_state_t.__r0... $ECHO_C" >&6 +if test "${ac_cv_member_ppc_thread_state_t___r0+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <mach/thread_status.h> + +int +main () +{ +static ppc_thread_state_t ac_aggr; +if (ac_aggr.__r0) +return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_member_ppc_thread_state_t___r0=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <mach/thread_status.h> + +int +main () +{ +static ppc_thread_state_t ac_aggr; +if (sizeof ac_aggr.__r0) +return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_member_ppc_thread_state_t___r0=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_member_ppc_thread_state_t___r0=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_member_ppc_thread_state_t___r0" >&5 +echo "${ECHO_T}$ac_cv_member_ppc_thread_state_t___r0" >&6 +if test $ac_cv_member_ppc_thread_state_t___r0 = yes; then + +cat >>confdefs.h <<\_ACEOF +#define HAS_PPC_THREAD_STATE___R0 +_ACEOF + +fi + + echo "$as_me:$LINENO: checking for ppc_thread_state64_t.r0" >&5 +echo $ECHO_N "checking for ppc_thread_state64_t.r0... $ECHO_C" >&6 +if test "${ac_cv_member_ppc_thread_state64_t_r0+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <mach/thread_status.h> + +int +main () +{ +static ppc_thread_state64_t ac_aggr; +if (ac_aggr.r0) +return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_member_ppc_thread_state64_t_r0=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <mach/thread_status.h> + +int +main () +{ +static ppc_thread_state64_t ac_aggr; +if (sizeof ac_aggr.r0) +return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_member_ppc_thread_state64_t_r0=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_member_ppc_thread_state64_t_r0=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_member_ppc_thread_state64_t_r0" >&5 +echo "${ECHO_T}$ac_cv_member_ppc_thread_state64_t_r0" >&6 +if test $ac_cv_member_ppc_thread_state64_t_r0 = yes; then + +cat >>confdefs.h <<\_ACEOF +#define HAS_PPC_THREAD_STATE64_R0 +_ACEOF + +fi + + echo "$as_me:$LINENO: checking for ppc_thread_state64_t.__r0" >&5 +echo $ECHO_N "checking for ppc_thread_state64_t.__r0... $ECHO_C" >&6 +if test "${ac_cv_member_ppc_thread_state64_t___r0+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <mach/thread_status.h> + +int +main () +{ +static ppc_thread_state64_t ac_aggr; +if (ac_aggr.__r0) +return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_member_ppc_thread_state64_t___r0=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <mach/thread_status.h> + +int +main () +{ +static ppc_thread_state64_t ac_aggr; +if (sizeof ac_aggr.__r0) +return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_member_ppc_thread_state64_t___r0=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_member_ppc_thread_state64_t___r0=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_member_ppc_thread_state64_t___r0" >&5 +echo "${ECHO_T}$ac_cv_member_ppc_thread_state64_t___r0" >&6 +if test $ac_cv_member_ppc_thread_state64_t___r0 = yes; then + +cat >>confdefs.h <<\_ACEOF +#define HAS_PPC_THREAD_STATE64___R0 +_ACEOF + +fi + + ;; + i?86*-*-darwin*) + echo "$as_me:$LINENO: checking for i386_thread_state_t.eax" >&5 +echo $ECHO_N "checking for i386_thread_state_t.eax... $ECHO_C" >&6 +if test "${ac_cv_member_i386_thread_state_t_eax+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <mach/thread_status.h> + +int +main () +{ +static i386_thread_state_t ac_aggr; +if (ac_aggr.eax) +return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_member_i386_thread_state_t_eax=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <mach/thread_status.h> + +int +main () +{ +static i386_thread_state_t ac_aggr; +if (sizeof ac_aggr.eax) +return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_member_i386_thread_state_t_eax=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_member_i386_thread_state_t_eax=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_member_i386_thread_state_t_eax" >&5 +echo "${ECHO_T}$ac_cv_member_i386_thread_state_t_eax" >&6 +if test $ac_cv_member_i386_thread_state_t_eax = yes; then + +cat >>confdefs.h <<\_ACEOF +#define HAS_I386_THREAD_STATE_EAX +_ACEOF + +fi + + echo "$as_me:$LINENO: checking for i386_thread_state_t.__eax" >&5 +echo $ECHO_N "checking for i386_thread_state_t.__eax... $ECHO_C" >&6 +if test "${ac_cv_member_i386_thread_state_t___eax+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <mach/thread_status.h> + +int +main () +{ +static i386_thread_state_t ac_aggr; +if (ac_aggr.__eax) +return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_member_i386_thread_state_t___eax=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <mach/thread_status.h> + +int +main () +{ +static i386_thread_state_t ac_aggr; +if (sizeof ac_aggr.__eax) +return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_member_i386_thread_state_t___eax=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_member_i386_thread_state_t___eax=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_member_i386_thread_state_t___eax" >&5 +echo "${ECHO_T}$ac_cv_member_i386_thread_state_t___eax" >&6 +if test $ac_cv_member_i386_thread_state_t___eax = yes; then + +cat >>confdefs.h <<\_ACEOF +#define HAS_I386_THREAD_STATE___EAX +_ACEOF + +fi + + ;; + *) ;; +esac + # We never want libdl on darwin. It is a fake libdl that just ends up making # dyld calls anyway case "$host" in diff --git a/boehm-gc/configure.ac b/boehm-gc/configure.ac index 69ad5cd3ab9..b1d53cf6a88 100644 --- a/boehm-gc/configure.ac +++ b/boehm-gc/configure.ac @@ -232,6 +232,39 @@ case "$host" in esac AM_CONDITIONAL(POWERPC_DARWIN,test x$powerpc_darwin = xtrue) +# Darwin needs a few extra special tests to deal with variation in the +# system headers. +case "$host" in + powerpc*-*-darwin*) + AC_CHECK_MEMBER(ppc_thread_state_t.r0, + AC_DEFINE(HAS_PPC_THREAD_STATE_R0,,[ppc_thread_state_t has field r0]),, + [#include <mach/thread_status.h>]) + AC_CHECK_MEMBER(ppc_thread_state_t.__r0, + AC_DEFINE(HAS_PPC_THREAD_STATE___R0,,dnl + [ppc_thread_state_t has field __r0]),, + [#include <mach/thread_status.h>]) + AC_CHECK_MEMBER(ppc_thread_state64_t.r0, + AC_DEFINE(HAS_PPC_THREAD_STATE64_R0,,dnl + [ppc_thread_state64_t has field r0]),, + [#include <mach/thread_status.h>]) + AC_CHECK_MEMBER(ppc_thread_state64_t.__r0, + AC_DEFINE(HAS_PPC_THREAD_STATE64___R0,,dnl + [ppc_thread_state64_t has field __r0]),, + [#include <mach/thread_status.h>]) + ;; + i?86*-*-darwin*) + AC_CHECK_MEMBER(i386_thread_state_t.eax, + AC_DEFINE(HAS_I386_THREAD_STATE_EAX,,dnl + [i386_thread_state_t has field eax]),, + [#include <mach/thread_status.h>]) + AC_CHECK_MEMBER(i386_thread_state_t.__eax, + AC_DEFINE(HAS_I386_THREAD_STATE___EAX,,dnl + [i386_thread_state_t has field __eax]),, + [#include <mach/thread_status.h>]) + ;; + *) ;; +esac + # We never want libdl on darwin. It is a fake libdl that just ends up making # dyld calls anyway case "$host" in diff --git a/boehm-gc/darwin_stop_world.c b/boehm-gc/darwin_stop_world.c index c2a033d3cc4..895fdb61a64 100644 --- a/boehm-gc/darwin_stop_world.c +++ b/boehm-gc/darwin_stop_world.c @@ -14,12 +14,43 @@ Page 50: "If a leaf procedure's red zone usage would exceed 224 bytes, then it must set up a stack frame just like routines that call other routines." */ -#ifdef POWERPC -# if CPP_WORDSZ == 32 -# define PPC_RED_ZONE_SIZE 224 -# elif CPP_WORDSZ == 64 -# define PPC_RED_ZONE_SIZE 320 +#if defined(__ppc__) +# define PPC_RED_ZONE_SIZE 224 +#elif defined(__ppc64__) +# define PPC_RED_ZONE_SIZE 320 +#endif + +/* Try to work out the right way to access thread state structure members. + The structure has changed its definition in different Darwin versions. */ +#if defined(__ppc__) +# define THREAD_STATE ppc_thread_state_t +# if defined (HAS_PPC_THREAD_STATE_R0) +# define THREAD_FLD(x) x +# elif defined (HAS_PPC_THREAD_STATE___R0) +# define THREAD_FLD(x) __ ## x +# else +# error can not work out how to access fields of ppc_thread_state_t +# endif +#elif defined(__ppc64__) +# define THREAD_STATE ppc_thread_state64_t +# if defined (HAS_PPC_THREAD_STATE64_R0) +# define THREAD_FLD(x) x +# elif defined (HAS_PPC_THREAD_STATE64___R0) +# define THREAD_FLD(x) __ ## x +# else +# error can not work out how to access fields of ppc_thread_state64_t # endif +#elif defined(__i386__) +# define THREAD_STATE i386_thread_state_t +# if defined (HAS_I386_THREAD_STATE_EAX) +# define THREAD_FLD(x) x +# elif defined (HAS_I386_THREAD_STATE___EAX) +# define THREAD_FLD(x) __ ## x +# else +# error can not work out how to access fields of i386_thread_state_t +# endif +#else +# error unknown architecture #endif typedef struct StackFrame { @@ -75,7 +106,7 @@ void GC_push_all_stacks() { GC_thread p; pthread_t me; ptr_t lo, hi; - ppc_thread_state_t state; + THREAD_STATE state; mach_msg_type_number_t thread_state_count = MACHINE_THREAD_STATE_COUNT; me = pthread_self(); @@ -95,39 +126,39 @@ void GC_push_all_stacks() { &thread_state_count); if(r != KERN_SUCCESS) ABORT("thread_get_state failed"); - lo = (void*)(state.r1 - PPC_RED_ZONE_SIZE); + lo = (void*)(state . THREAD_FLD (r1) - PPC_RED_ZONE_SIZE); - GC_push_one(state.r0); - GC_push_one(state.r2); - GC_push_one(state.r3); - GC_push_one(state.r4); - GC_push_one(state.r5); - GC_push_one(state.r6); - GC_push_one(state.r7); - GC_push_one(state.r8); - GC_push_one(state.r9); - GC_push_one(state.r10); - GC_push_one(state.r11); - GC_push_one(state.r12); - GC_push_one(state.r13); - GC_push_one(state.r14); - GC_push_one(state.r15); - GC_push_one(state.r16); - GC_push_one(state.r17); - GC_push_one(state.r18); - GC_push_one(state.r19); - GC_push_one(state.r20); - GC_push_one(state.r21); - GC_push_one(state.r22); - GC_push_one(state.r23); - GC_push_one(state.r24); - GC_push_one(state.r25); - GC_push_one(state.r26); - GC_push_one(state.r27); - GC_push_one(state.r28); - GC_push_one(state.r29); - GC_push_one(state.r30); - GC_push_one(state.r31); + GC_push_one(state . THREAD_FLD (r0)); + GC_push_one(state . THREAD_FLD (r2)); + GC_push_one(state . THREAD_FLD (r3)); + GC_push_one(state . THREAD_FLD (r4)); + GC_push_one(state . THREAD_FLD (r5)); + GC_push_one(state . THREAD_FLD (r6)); + GC_push_one(state . THREAD_FLD (r7)); + GC_push_one(state . THREAD_FLD (r8)); + GC_push_one(state . THREAD_FLD (r9)); + GC_push_one(state . THREAD_FLD (r10)); + GC_push_one(state . THREAD_FLD (r11)); + GC_push_one(state . THREAD_FLD (r12)); + GC_push_one(state . THREAD_FLD (r13)); + GC_push_one(state . THREAD_FLD (r14)); + GC_push_one(state . THREAD_FLD (r15)); + GC_push_one(state . THREAD_FLD (r16)); + GC_push_one(state . THREAD_FLD (r17)); + GC_push_one(state . THREAD_FLD (r18)); + GC_push_one(state . THREAD_FLD (r19)); + GC_push_one(state . THREAD_FLD (r20)); + GC_push_one(state . THREAD_FLD (r21)); + GC_push_one(state . THREAD_FLD (r22)); + GC_push_one(state . THREAD_FLD (r23)); + GC_push_one(state . THREAD_FLD (r24)); + GC_push_one(state . THREAD_FLD (r25)); + GC_push_one(state . THREAD_FLD (r26)); + GC_push_one(state . THREAD_FLD (r27)); + GC_push_one(state . THREAD_FLD (r28)); + GC_push_one(state . THREAD_FLD (r29)); + GC_push_one(state . THREAD_FLD (r30)); + GC_push_one(state . THREAD_FLD (r31)); } /* p != me */ if(p->flags & MAIN_THREAD) hi = GC_stackbottom; @@ -166,78 +197,74 @@ void GC_push_all_stacks() { lo = GC_approx_sp(); hi = (ptr_t)FindTopOfStack(0); } else { -# if defined(POWERPC) -# if CPP_WORDSZ == 32 - ppc_thread_state_t info; -# else - ppc_thread_state64_t info; -# endif +# if defined(__ppc__) || defined(__ppc64__) + THREAD_STATE info; mach_msg_type_number_t outCount = THREAD_STATE_MAX; r = thread_get_state(thread, MACHINE_THREAD_STATE, (natural_t *)&info, &outCount); if(r != KERN_SUCCESS) ABORT("task_get_state failed"); - lo = (void*)(info.r1 - PPC_RED_ZONE_SIZE); - hi = (ptr_t)FindTopOfStack(info.r1); - - GC_push_one(info.r0); - GC_push_one(info.r2); - GC_push_one(info.r3); - GC_push_one(info.r4); - GC_push_one(info.r5); - GC_push_one(info.r6); - GC_push_one(info.r7); - GC_push_one(info.r8); - GC_push_one(info.r9); - GC_push_one(info.r10); - GC_push_one(info.r11); - GC_push_one(info.r12); - GC_push_one(info.r13); - GC_push_one(info.r14); - GC_push_one(info.r15); - GC_push_one(info.r16); - GC_push_one(info.r17); - GC_push_one(info.r18); - GC_push_one(info.r19); - GC_push_one(info.r20); - GC_push_one(info.r21); - GC_push_one(info.r22); - GC_push_one(info.r23); - GC_push_one(info.r24); - GC_push_one(info.r25); - GC_push_one(info.r26); - GC_push_one(info.r27); - GC_push_one(info.r28); - GC_push_one(info.r29); - GC_push_one(info.r30); - GC_push_one(info.r31); + lo = (void*)(info . THREAD_FLD (r1) - PPC_RED_ZONE_SIZE); + hi = (ptr_t)FindTopOfStack(info . THREAD_FLD (r1)); + + GC_push_one(info . THREAD_FLD (r0)); + GC_push_one(info . THREAD_FLD (r2)); + GC_push_one(info . THREAD_FLD (r3)); + GC_push_one(info . THREAD_FLD (r4)); + GC_push_one(info . THREAD_FLD (r5)); + GC_push_one(info . THREAD_FLD (r6)); + GC_push_one(info . THREAD_FLD (r7)); + GC_push_one(info . THREAD_FLD (r8)); + GC_push_one(info . THREAD_FLD (r9)); + GC_push_one(info . THREAD_FLD (r10)); + GC_push_one(info . THREAD_FLD (r11)); + GC_push_one(info . THREAD_FLD (r12)); + GC_push_one(info . THREAD_FLD (r13)); + GC_push_one(info . THREAD_FLD (r14)); + GC_push_one(info . THREAD_FLD (r15)); + GC_push_one(info . THREAD_FLD (r16)); + GC_push_one(info . THREAD_FLD (r17)); + GC_push_one(info . THREAD_FLD (r18)); + GC_push_one(info . THREAD_FLD (r19)); + GC_push_one(info . THREAD_FLD (r20)); + GC_push_one(info . THREAD_FLD (r21)); + GC_push_one(info . THREAD_FLD (r22)); + GC_push_one(info . THREAD_FLD (r23)); + GC_push_one(info . THREAD_FLD (r24)); + GC_push_one(info . THREAD_FLD (r25)); + GC_push_one(info . THREAD_FLD (r26)); + GC_push_one(info . THREAD_FLD (r27)); + GC_push_one(info . THREAD_FLD (r28)); + GC_push_one(info . THREAD_FLD (r29)); + GC_push_one(info . THREAD_FLD (r30)); + GC_push_one(info . THREAD_FLD (r31)); # else /* FIXME: Remove after testing: */ WARN("This is completely untested and likely will not work\n", 0); - i386_thread_state_t info; + THREAD_STATE info; mach_msg_type_number_t outCount = THREAD_STATE_MAX; r = thread_get_state(thread, MACHINE_THREAD_STATE, (natural_t *)&info, &outCount); if(r != KERN_SUCCESS) ABORT("task_get_state failed"); - lo = (void*)info.esp; - hi = (ptr_t)FindTopOfStack(info.esp); - - GC_push_one(info.eax); - GC_push_one(info.ebx); - GC_push_one(info.ecx); - GC_push_one(info.edx); - GC_push_one(info.edi); - GC_push_one(info.esi); - /* GC_push_one(info.ebp); */ - /* GC_push_one(info.esp); */ - GC_push_one(info.ss); - GC_push_one(info.eip); - GC_push_one(info.cs); - GC_push_one(info.ds); - GC_push_one(info.es); - GC_push_one(info.fs); - GC_push_one(info.gs); + lo = (void*)info . THREAD_FLD (esp); + hi = (ptr_t)FindTopOfStack(info . THREAD_FLD (esp)); + + GC_push_one(info . THREAD_FLD (eax)); + GC_push_one(info . THREAD_FLD (ebx)); + GC_push_one(info . THREAD_FLD (ecx)); + GC_push_one(info . THREAD_FLD (edx)); + GC_push_one(info . THREAD_FLD (edi)); + GC_push_one(info . THREAD_FLD (esi)); + /* GC_push_one(info . THREAD_FLD (ebp)); */ + /* GC_push_one(info . THREAD_FLD (esp)); */ + GC_push_one(info . THREAD_FLD (ss)); + GC_push_one(info . THREAD_FLD (eip)); + GC_push_one(info . THREAD_FLD (cs)); + GC_push_one(info . THREAD_FLD (ds)); + GC_push_one(info . THREAD_FLD (es)); + GC_push_one(info . THREAD_FLD (fs)); + GC_push_one(info . THREAD_FLD (gs)); # endif /* !POWERPC */ } # if DEBUG_THREADS diff --git a/boehm-gc/include/gc_config.h.in b/boehm-gc/include/gc_config.h.in index cfaae9dd464..401de609ba6 100644 --- a/boehm-gc/include/gc_config.h.in +++ b/boehm-gc/include/gc_config.h.in @@ -57,6 +57,24 @@ /* support for win32 threads */ #undef GC_WIN32_THREADS +/* i386_thread_state_t has field eax */ +#undef HAS_I386_THREAD_STATE_EAX + +/* i386_thread_state_t has field __eax */ +#undef HAS_I386_THREAD_STATE___EAX + +/* ppc_thread_state64_t has field r0 */ +#undef HAS_PPC_THREAD_STATE64_R0 + +/* ppc_thread_state64_t has field __r0 */ +#undef HAS_PPC_THREAD_STATE64___R0 + +/* ppc_thread_state_t has field r0 */ +#undef HAS_PPC_THREAD_STATE_R0 + +/* ppc_thread_state_t has field __r0 */ +#undef HAS_PPC_THREAD_STATE___R0 + /* Define to 1 if you have the <inttypes.h> header file. */ #undef HAVE_INTTYPES_H @@ -154,5 +172,5 @@ /* POSIX version of C Source */ #undef _POSIX_C_SOURCE -/* Use reentrant code */ +/* Required define if using POSIX threads */ #undef _REENTRANT diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c52e0e916fd..34d6f17fe18 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,14 @@ +2006-06-02 Geoffrey Keating <geoffk@apple.com> + + * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with + HAVE_DECL_SIGALTSTACK. + (MC_FLD): New. + (segv_handler): Use MC_FLD. + * configure.ac: Check for a sigaltstack declaration. + Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin. + * configure: Regenerate. + * config.in: Regenerate. + 2006-06-03 J"orn Rennecke <joern.rennecke@st.com> PR other/27850 diff --git a/gcc/config.in b/gcc/config.in index 98e34388dff..d5f854ef959 100644 --- a/gcc/config.in +++ b/gcc/config.in @@ -148,6 +148,12 @@ #endif +/* mcontext_t fields start with __ */ +#ifndef USED_FOR_TARGET +#undef HAS_MCONTEXT_T_UNDERSCORES +#endif + + /* Define to 1 if you have the `alphasort' function. */ #ifndef USED_FOR_TARGET #undef HAVE_ALPHASORT @@ -568,6 +574,13 @@ #endif +/* Define to 1 if we found a declaration for 'sigaltstack', otherwise define + to 0. */ +#ifndef USED_FOR_TARGET +#undef HAVE_DECL_SIGALTSTACK +#endif + + /* Define to 1 if we found a declaration for 'snprintf', otherwise define to 0. */ #ifndef USED_FOR_TARGET diff --git a/gcc/config/rs6000/host-darwin.c b/gcc/config/rs6000/host-darwin.c index 75c92a2a25b..b0fc7c68326 100644 --- a/gcc/config/rs6000/host-darwin.c +++ b/gcc/config/rs6000/host-darwin.c @@ -33,9 +33,19 @@ static void segv_crash_handler (int); static void segv_handler (int, siginfo_t *, void *); static void darwin_rs6000_extra_signals (void); +#ifndef HAVE_DECL_SIGALTSTACK /* This doesn't have a prototype in signal.h in 10.2.x and earlier, fixed in later releases. */ extern int sigaltstack(const struct sigaltstack *, struct sigaltstack *); +#endif + +/* The fields of the mcontext_t type have acquired underscores in later + OS versions. */ +#ifdef HAS_MCONTEXT_T_UNDERSCORES +#define MC_FLD(x) __ ## x +#else +#define MC_FLD(x) x +#endif #undef HOST_HOOKS_EXTRA_SIGNALS #define HOST_HOOKS_EXTRA_SIGNALS darwin_rs6000_extra_signals @@ -68,7 +78,7 @@ segv_handler (int sig ATTRIBUTE_UNUSED, sigaddset (&sigset, SIGSEGV); sigprocmask (SIG_UNBLOCK, &sigset, NULL); - faulting_insn = *(unsigned *)uc->uc_mcontext->ss.srr0; + faulting_insn = *(unsigned *)uc->uc_mcontext->MC_FLD(ss).MC_FLD(srr0); /* Note that this only has to work for GCC, so we don't have to deal with all the possible cases (GCC has no AltiVec code, for @@ -117,7 +127,8 @@ segv_handler (int sig ATTRIBUTE_UNUSED, } fprintf (stderr, "[address=%08lx pc=%08x]\n", - uc->uc_mcontext->es.dar, uc->uc_mcontext->ss.srr0); + uc->uc_mcontext->MC_FLD(es).MC_FLD(dar), + uc->uc_mcontext->MC_FLD(ss).MC_FLD(srr0)); internal_error ("Segmentation Fault"); exit (FATAL_EXIT_CODE); } diff --git a/gcc/configure b/gcc/configure index 827d139c88d..60e753020f7 100755 --- a/gcc/configure +++ b/gcc/configure @@ -11756,6 +11756,88 @@ fi done + +for ac_func in sigaltstack +do + ac_tr_decl=`echo "HAVE_DECL_$ac_func" | $as_tr_cpp` +echo "$as_me:$LINENO: checking whether $ac_func is declared" >&5 +echo $ECHO_N "checking whether $ac_func is declared... $ECHO_C" >&6 +if eval "test \"\${gcc_cv_have_decl_$ac_func+set}\" = set"; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#undef $ac_tr_decl +#define $ac_tr_decl 1 + +#include "ansidecl.h" +#include "system.h" +#include <signal.h> + + +int +main () +{ +#ifndef $ac_func +char *(*pfn) = (char *(*)) $ac_func ; +#endif + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + eval "gcc_cv_have_decl_$ac_func=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +eval "gcc_cv_have_decl_$ac_func=no" +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi + +if eval "test \"`echo '$gcc_cv_have_decl_'$ac_func`\" = yes"; then + echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6 ; cat >>confdefs.h <<_ACEOF +#define $ac_tr_decl 1 +_ACEOF + +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 ; cat >>confdefs.h <<_ACEOF +#define $ac_tr_decl 0 +_ACEOF + +fi + +done + + # More time-related stuff. echo "$as_me:$LINENO: checking for struct tms" >&5 echo $ECHO_N "checking for struct tms... $ECHO_C" >&6 @@ -12195,6 +12277,62 @@ if test "$host_xm_file" != "$build_xm_file"; then fi fi +case ${host} in + powerpc-*-darwin*) + echo "$as_me:$LINENO: checking whether mcontext_t fields have underscores" >&5 +echo $ECHO_N "checking whether mcontext_t fields have underscores... $ECHO_C" >&6 +if test "${gcc_cv_mcontext_underscores+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF + +#include <ucontext.h> +int main() { mcontext_t m; if (m->ss.srr0) return 0; return 0; } + +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + gcc_cv_mcontext_underscores=no +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +gcc_cv_mcontext_underscores=yes +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $gcc_cv_mcontext_underscores" >&5 +echo "${ECHO_T}$gcc_cv_mcontext_underscores" >&6 + if test $gcc_cv_mcontext_underscores = yes; then + +cat >>confdefs.h <<\_ACEOF +#define HAS_MCONTEXT_T_UNDERSCORES +_ACEOF + + fi + ;; +esac + # --------- # Threading # --------- diff --git a/gcc/configure.ac b/gcc/configure.ac index a055581a451..d4d09f5dffd 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -1154,6 +1154,12 @@ gcc_AC_CHECK_DECLS(times, , ,[ #endif ]) +gcc_AC_CHECK_DECLS(sigaltstack, , ,[ +#include "ansidecl.h" +#include "system.h" +#include <signal.h> +]) + # More time-related stuff. AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ @@ -1337,6 +1343,22 @@ if test "$host_xm_file" != "$build_xm_file"; then fi fi +case ${host} in + powerpc-*-darwin*) + AC_CACHE_CHECK([whether mcontext_t fields have underscores], + gcc_cv_mcontext_underscores, + AC_COMPILE_IFELSE([ +#include <ucontext.h> +int main() { mcontext_t m; if (m->ss.srr0) return 0; return 0; } +], + gcc_cv_mcontext_underscores=no, gcc_cv_mcontext_underscores=yes)) + if test $gcc_cv_mcontext_underscores = yes; then + AC_DEFINE(HAS_MCONTEXT_T_UNDERSCORES,,dnl + [mcontext_t fields start with __]) + fi + ;; +esac + # --------- # Threading # --------- |