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-rw-r--r--erts/aclocal.m4309
-rw-r--r--erts/configure.in23
-rw-r--r--erts/emulator/beam/beam_emu.c9
-rwxr-xr-xerts/emulator/beam/erl_bif_info.c76
-rw-r--r--erts/emulator/beam/erl_init.c2
-rw-r--r--erts/emulator/beam/erl_utils.h5
-rwxr-xr-xerts/emulator/beam/global.h2
-rw-r--r--erts/emulator/beam/utils.c285
-rw-r--r--erts/emulator/test/smoke_test_SUITE.erl39
9 files changed, 525 insertions, 225 deletions
diff --git a/erts/aclocal.m4 b/erts/aclocal.m4
index 25f40944e7..aeb31fa58a 100644
--- a/erts/aclocal.m4
+++ b/erts/aclocal.m4
@@ -954,6 +954,40 @@ dnl
AC_DEFUN(ERL_FIND_ETHR_LIB,
[
+AC_ARG_ENABLE(native-ethr-impls,
+ AS_HELP_STRING([--disable-native-ethr-impls],
+ [disable native ethread implementations]),
+[ case "$enableval" in
+ no) disable_native_ethr_impls=yes ;;
+ *) disable_native_ethr_impls=no ;;
+ esac ], disable_native_ethr_impls=no)
+
+test "X$disable_native_ethr_impls" = "Xyes" &&
+ AC_DEFINE(ETHR_DISABLE_NATIVE_IMPLS, 1, [Define if you want to disable native ethread implementations])
+
+AC_ARG_ENABLE(x86-out-of-order,
+ AS_HELP_STRING([--enable-x86-out-of-order],
+ [enable x86/x84_64 out of order support (default disabled)]))
+
+AC_ARG_ENABLE(prefer-gcc-native-ethr-impls,
+ AS_HELP_STRING([--enable-prefer-gcc-native-ethr-impls],
+ [prefer gcc native ethread implementations]),
+[ case "$enableval" in
+ yes) enable_prefer_gcc_native_ethr_impls=yes ;;
+ *) enable_prefer_gcc_native_ethr_impls=no ;;
+ esac ], enable_prefer_gcc_native_ethr_impls=no)
+
+test $enable_prefer_gcc_native_ethr_impls = yes &&
+ AC_DEFINE(ETHR_PREFER_GCC_NATIVE_IMPLS, 1, [Define if you prefer gcc native ethread implementations])
+
+AC_ARG_WITH(libatomic_ops,
+ AS_HELP_STRING([--with-libatomic_ops=PATH],
+ [specify and prefer usage of libatomic_ops in the ethread library]))
+
+AC_ARG_WITH(with_sparc_memory_order,
+ AS_HELP_STRING([--with-sparc-memory-order=TSO|PSO|RMO],
+ [specify sparc memory order (defaults to RMO)]))
+
LM_CHECK_THR_LIB
ERL_INTERNAL_LIBS
@@ -1003,40 +1037,44 @@ case "$THR_LIB_NAME" in
AC_DEFINE(ETHR_WIN32_THREADS, 1, [Define if you have win32 threads])
- ETHR_CHK_INTERLOCKED([_InterlockedDecrement], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT, 1, [Define if you have _InterlockedDecrement()]))
- ETHR_CHK_INTERLOCKED([_InterlockedDecrement_rel], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT_REL, 1, [Define if you have _InterlockedDecrement_rel()]))
- ETHR_CHK_INTERLOCKED([_InterlockedIncrement], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT, 1, [Define if you have _InterlockedIncrement()]))
- ETHR_CHK_INTERLOCKED([_InterlockedIncrement_acq], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT_ACQ, 1, [Define if you have _InterlockedIncrement_acq()]))
- ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD, 1, [Define if you have _InterlockedExchangeAdd()]))
- ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd_acq], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD_ACQ, 1, [Define if you have _InterlockedExchangeAdd_acq()]))
- ETHR_CHK_INTERLOCKED([_InterlockedAnd], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDAND, 1, [Define if you have _InterlockedAnd()]))
- ETHR_CHK_INTERLOCKED([_InterlockedOr], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDOR, 1, [Define if you have _InterlockedOr()]))
- ETHR_CHK_INTERLOCKED([_InterlockedExchange], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGE, 1, [Define if you have _InterlockedExchange()]))
- ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange], [3], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE, 1, [Define if you have _InterlockedCompareExchange()]))
- test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes
- ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange_acq], [3], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE_ACQ, 1, [Define if you have _InterlockedCompareExchange_acq()]))
- test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes
- ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange_rel], [3], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE_REL, 1, [Define if you have _InterlockedCompareExchange_rel()]))
- test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes
-
- ETHR_CHK_INTERLOCKED([_InterlockedDecrement64], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT64, 1, [Define if you have _InterlockedDecrement64()]))
- ETHR_CHK_INTERLOCKED([_InterlockedDecrement64_rel], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT64_REL, 1, [Define if you have _InterlockedDecrement64_rel()]))
- ETHR_CHK_INTERLOCKED([_InterlockedIncrement64], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT64, 1, [Define if you have _InterlockedIncrement64()]))
- ETHR_CHK_INTERLOCKED([_InterlockedIncrement64_acq], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT64_ACQ, 1, [Define if you have _InterlockedIncrement64_acq()]))
- ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD64, 1, [Define if you have _InterlockedExchangeAdd64()]))
- ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd64_acq], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD64_ACQ, 1, [Define if you have _InterlockedExchangeAdd64_acq()]))
- ETHR_CHK_INTERLOCKED([_InterlockedAnd64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDAND64, 1, [Define if you have _InterlockedAnd64()]))
- ETHR_CHK_INTERLOCKED([_InterlockedOr64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDOR64, 1, [Define if you have _InterlockedOr64()]))
- ETHR_CHK_INTERLOCKED([_InterlockedExchange64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGE64, 1, [Define if you have _InterlockedExchange64()]))
- ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange64], [3], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE64, 1, [Define if you have _InterlockedCompareExchange64()]))
- test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes
- ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange64_acq], [3], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE64_ACQ, 1, [Define if you have _InterlockedCompareExchange64_acq()]))
- test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes
- ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange64_rel], [3], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE64_REL, 1, [Define if you have _InterlockedCompareExchange64_rel()]))
- test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes
-
- ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange128], [4], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE128, 1, [Define if you have _InterlockedCompareExchange128()]))
-
+ if test "X$disable_native_ethr_impls" = "Xyes"; then
+ have_interlocked_op=no
+ ethr_have_native_atomics=no
+ else
+ ETHR_CHK_INTERLOCKED([_InterlockedDecrement], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT, 1, [Define if you have _InterlockedDecrement()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedDecrement_rel], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT_REL, 1, [Define if you have _InterlockedDecrement_rel()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedIncrement], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT, 1, [Define if you have _InterlockedIncrement()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedIncrement_acq], [1], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT_ACQ, 1, [Define if you have _InterlockedIncrement_acq()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD, 1, [Define if you have _InterlockedExchangeAdd()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd_acq], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD_ACQ, 1, [Define if you have _InterlockedExchangeAdd_acq()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedAnd], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDAND, 1, [Define if you have _InterlockedAnd()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedOr], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDOR, 1, [Define if you have _InterlockedOr()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedExchange], [2], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGE, 1, [Define if you have _InterlockedExchange()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange], [3], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE, 1, [Define if you have _InterlockedCompareExchange()]))
+ test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes
+ ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange_acq], [3], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE_ACQ, 1, [Define if you have _InterlockedCompareExchange_acq()]))
+ test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes
+ ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange_rel], [3], [long], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE_REL, 1, [Define if you have _InterlockedCompareExchange_rel()]))
+ test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes
+
+ ETHR_CHK_INTERLOCKED([_InterlockedDecrement64], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT64, 1, [Define if you have _InterlockedDecrement64()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedDecrement64_rel], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDDECREMENT64_REL, 1, [Define if you have _InterlockedDecrement64_rel()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedIncrement64], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT64, 1, [Define if you have _InterlockedIncrement64()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedIncrement64_acq], [1], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDINCREMENT64_ACQ, 1, [Define if you have _InterlockedIncrement64_acq()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD64, 1, [Define if you have _InterlockedExchangeAdd64()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedExchangeAdd64_acq], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGEADD64_ACQ, 1, [Define if you have _InterlockedExchangeAdd64_acq()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedAnd64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDAND64, 1, [Define if you have _InterlockedAnd64()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedOr64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDOR64, 1, [Define if you have _InterlockedOr64()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedExchange64], [2], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDEXCHANGE64, 1, [Define if you have _InterlockedExchange64()]))
+ ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange64], [3], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE64, 1, [Define if you have _InterlockedCompareExchange64()]))
+ test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes
+ ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange64_acq], [3], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE64_ACQ, 1, [Define if you have _InterlockedCompareExchange64_acq()]))
+ test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes
+ ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange64_rel], [3], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE64_REL, 1, [Define if you have _InterlockedCompareExchange64_rel()]))
+ test "$have_interlocked_op" = "yes" && ethr_have_native_atomics=yes
+
+ ETHR_CHK_INTERLOCKED([_InterlockedCompareExchange128], [4], [__int64], AC_DEFINE_UNQUOTED(ETHR_HAVE__INTERLOCKEDCOMPAREEXCHANGE128, 1, [Define if you have _InterlockedCompareExchange128()]))
+ fi
test "$ethr_have_native_atomics" = "yes" && ethr_have_native_spinlock=yes
;;
@@ -1303,93 +1341,98 @@ case "$THR_LIB_NAME" in
int128="__int128_t"
fi
- ETHR_CHK_SYNC_OP([__sync_val_compare_and_swap], [3], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP32, 1, [Define if you have __sync_val_compare_and_swap() for 32-bit integers]))
- test "$have_sync_op" = "yes" && ethr_have_native_atomics=yes
- ETHR_CHK_SYNC_OP([__sync_add_and_fetch], [2], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_ADD_AND_FETCH32, 1, [Define if you have __sync_add_and_fetch() for 32-bit integers]))
- ETHR_CHK_SYNC_OP([__sync_fetch_and_and], [2], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_AND32, 1, [Define if you have __sync_fetch_and_and() for 32-bit integers]))
- ETHR_CHK_SYNC_OP([__sync_fetch_and_or], [2], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_OR32, 1, [Define if you have __sync_fetch_and_or() for 32-bit integers]))
+ if test "X$disable_native_ethr_impls" = "Xyes"; then
+ ethr_have_native_atomics=no
+ else
+ ETHR_CHK_SYNC_OP([__sync_val_compare_and_swap], [3], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP32, 1, [Define if you have __sync_val_compare_and_swap() for 32-bit integers]))
+ test "$have_sync_op" = "yes" && ethr_have_native_atomics=yes
+ ETHR_CHK_SYNC_OP([__sync_add_and_fetch], [2], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_ADD_AND_FETCH32, 1, [Define if you have __sync_add_and_fetch() for 32-bit integers]))
+ ETHR_CHK_SYNC_OP([__sync_fetch_and_and], [2], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_AND32, 1, [Define if you have __sync_fetch_and_and() for 32-bit integers]))
+ ETHR_CHK_SYNC_OP([__sync_fetch_and_or], [2], [32], [$int32], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_OR32, 1, [Define if you have __sync_fetch_and_or() for 32-bit integers]))
+
+ ETHR_CHK_SYNC_OP([__sync_val_compare_and_swap], [3], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP64, 1, [Define if you have __sync_val_compare_and_swap() for 64-bit integers]))
+ test "$have_sync_op" = "yes" && ethr_have_native_atomics=yes
+ ETHR_CHK_SYNC_OP([__sync_add_and_fetch], [2], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_ADD_AND_FETCH64, 1, [Define if you have __sync_add_and_fetch() for 64-bit integers]))
+ ETHR_CHK_SYNC_OP([__sync_fetch_and_and], [2], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_AND64, 1, [Define if you have __sync_fetch_and_and() for 64-bit integers]))
+ ETHR_CHK_SYNC_OP([__sync_fetch_and_or], [2], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_OR64, 1, [Define if you have __sync_fetch_and_or() for 64-bit integers]))
+
+ if test $int128 != no; then
+ ETHR_CHK_SYNC_OP([__sync_val_compare_and_swap], [3], [128], [$int128], AC_DEFINE(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP128, 1, [Define if you have __sync_val_compare_and_swap() for 128-bit integers]))
+ fi
- ETHR_CHK_SYNC_OP([__sync_val_compare_and_swap], [3], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP64, 1, [Define if you have __sync_val_compare_and_swap() for 64-bit integers]))
- test "$have_sync_op" = "yes" && ethr_have_native_atomics=yes
- ETHR_CHK_SYNC_OP([__sync_add_and_fetch], [2], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_ADD_AND_FETCH64, 1, [Define if you have __sync_add_and_fetch() for 64-bit integers]))
- ETHR_CHK_SYNC_OP([__sync_fetch_and_and], [2], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_AND64, 1, [Define if you have __sync_fetch_and_and() for 64-bit integers]))
- ETHR_CHK_SYNC_OP([__sync_fetch_and_or], [2], [64], [$int64], AC_DEFINE(ETHR_HAVE___SYNC_FETCH_AND_OR64, 1, [Define if you have __sync_fetch_and_or() for 64-bit integers]))
+ AC_MSG_CHECKING([for a usable libatomic_ops implementation])
+ case "x$with_libatomic_ops" in
+ xno | xyes | x)
+ libatomic_ops_include=
+ ;;
+ *)
+ if test -d "${with_libatomic_ops}/include"; then
+ libatomic_ops_include="-I$with_libatomic_ops/include"
+ CPPFLAGS="$CPPFLAGS $libatomic_ops_include"
+ else
+ AC_MSG_ERROR([libatomic_ops include directory $with_libatomic_ops/include not found])
+ fi;;
+ esac
+ ethr_have_libatomic_ops=no
+ AC_TRY_LINK([#include "atomic_ops.h"],
+ [
+ volatile AO_t x;
+ AO_t y;
+ int z;
+
+ AO_nop_full();
+ AO_store(&x, (AO_t) 0);
+ z = AO_load(&x);
+ z = AO_compare_and_swap_full(&x, (AO_t) 0, (AO_t) 1);
+ ],
+ [ethr_have_native_atomics=yes
+ ethr_have_libatomic_ops=yes])
+ AC_MSG_RESULT([$ethr_have_libatomic_ops])
+ if test $ethr_have_libatomic_ops = yes; then
+ AC_CHECK_SIZEOF(AO_t, ,
+ [
+ #include <stdio.h>
+ #include "atomic_ops.h"
+ ])
+ AC_DEFINE_UNQUOTED(ETHR_SIZEOF_AO_T, $ac_cv_sizeof_AO_t, [Define to the size of AO_t if libatomic_ops is used])
+
+ AC_DEFINE(ETHR_HAVE_LIBATOMIC_OPS, 1, [Define if you have libatomic_ops atomic operations])
+ if test "x$with_libatomic_ops" != "xno" && test "x$with_libatomic_ops" != "x"; then
+ AC_DEFINE(ETHR_PREFER_LIBATOMIC_OPS_NATIVE_IMPLS, 1, [Define if you prefer libatomic_ops native ethread implementations])
+ fi
+ ETHR_DEFS="$ETHR_DEFS $libatomic_ops_include"
+ elif test "x$with_libatomic_ops" != "xno" && test "x$with_libatomic_ops" != "x"; then
+ AC_MSG_ERROR([No usable libatomic_ops implementation found])
+ fi
- if test $int128 != no; then
- ETHR_CHK_SYNC_OP([__sync_val_compare_and_swap], [3], [128], [$int128], AC_DEFINE(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP128, 1, [Define if you have __sync_val_compare_and_swap() for 128-bit integers]))
- fi
+ case "$host_cpu" in
+ sparc | sun4u | sparc64 | sun4v)
+ case "$with_sparc_memory_order" in
+ "TSO")
+ AC_DEFINE(ETHR_SPARC_TSO, 1, [Define if only run in Sparc TSO mode]);;
+ "PSO")
+ AC_DEFINE(ETHR_SPARC_PSO, 1, [Define if only run in Sparc PSO, or TSO mode]);;
+ "RMO"|"")
+ AC_DEFINE(ETHR_SPARC_RMO, 1, [Define if run in Sparc RMO, PSO, or TSO mode]);;
+ *)
+ AC_MSG_ERROR([Unsupported Sparc memory order: $with_sparc_memory_order]);;
+ esac
+ ethr_have_native_atomics=yes;;
+ i86pc | i*86 | x86_64 | amd64)
+ if test "$enable_x86_out_of_order" = "yes"; then
+ AC_DEFINE(ETHR_X86_OUT_OF_ORDER, 1, [Define if x86/x86_64 out of order instructions should be synchronized])
+ fi
+ ethr_have_native_atomics=yes;;
+ macppc | ppc | "Power Macintosh")
+ ethr_have_native_atomics=yes;;
+ tile)
+ ethr_have_native_atomics=yes;;
+ *)
+ ;;
+ esac
- AC_MSG_CHECKING([for a usable libatomic_ops implementation])
- case "x$with_libatomic_ops" in
- xno | xyes | x)
- libatomic_ops_include=
- ;;
- *)
- if test -d "${with_libatomic_ops}/include"; then
- libatomic_ops_include="-I$with_libatomic_ops/include"
- CPPFLAGS="$CPPFLAGS $libatomic_ops_include"
- else
- AC_MSG_ERROR([libatomic_ops include directory $with_libatomic_ops/include not found])
- fi;;
- esac
- ethr_have_libatomic_ops=no
- AC_TRY_LINK([#include "atomic_ops.h"],
- [
- volatile AO_t x;
- AO_t y;
- int z;
-
- AO_nop_full();
- AO_store(&x, (AO_t) 0);
- z = AO_load(&x);
- z = AO_compare_and_swap_full(&x, (AO_t) 0, (AO_t) 1);
- ],
- [ethr_have_native_atomics=yes
- ethr_have_libatomic_ops=yes])
- AC_MSG_RESULT([$ethr_have_libatomic_ops])
- if test $ethr_have_libatomic_ops = yes; then
- AC_CHECK_SIZEOF(AO_t, ,
- [
- #include <stdio.h>
- #include "atomic_ops.h"
- ])
- AC_DEFINE_UNQUOTED(ETHR_SIZEOF_AO_T, $ac_cv_sizeof_AO_t, [Define to the size of AO_t if libatomic_ops is used])
-
- AC_DEFINE(ETHR_HAVE_LIBATOMIC_OPS, 1, [Define if you have libatomic_ops atomic operations])
- if test "x$with_libatomic_ops" != "xno" && test "x$with_libatomic_ops" != "x"; then
- AC_DEFINE(ETHR_PREFER_LIBATOMIC_OPS_NATIVE_IMPLS, 1, [Define if you prefer libatomic_ops native ethread implementations])
- fi
- ETHR_DEFS="$ETHR_DEFS $libatomic_ops_include"
- elif test "x$with_libatomic_ops" != "xno" && test "x$with_libatomic_ops" != "x"; then
- AC_MSG_ERROR([No usable libatomic_ops implementation found])
fi
- case "$host_cpu" in
- sparc | sun4u | sparc64 | sun4v)
- case "$with_sparc_memory_order" in
- "TSO")
- AC_DEFINE(ETHR_SPARC_TSO, 1, [Define if only run in Sparc TSO mode]);;
- "PSO")
- AC_DEFINE(ETHR_SPARC_PSO, 1, [Define if only run in Sparc PSO, or TSO mode]);;
- "RMO"|"")
- AC_DEFINE(ETHR_SPARC_RMO, 1, [Define if run in Sparc RMO, PSO, or TSO mode]);;
- *)
- AC_MSG_ERROR([Unsupported Sparc memory order: $with_sparc_memory_order]);;
- esac
- ethr_have_native_atomics=yes;;
- i86pc | i*86 | x86_64 | amd64)
- if test "$enable_x86_out_of_order" = "yes"; then
- AC_DEFINE(ETHR_X86_OUT_OF_ORDER, 1, [Define if x86/x86_64 out of order instructions should be synchronized])
- fi
- ethr_have_native_atomics=yes;;
- macppc | ppc | "Power Macintosh")
- ethr_have_native_atomics=yes;;
- tile)
- ethr_have_native_atomics=yes;;
- *)
- ;;
- esac
-
test ethr_have_native_atomics = "yes" && ethr_have_native_spinlock=yes
dnl Restore LIBS
@@ -1451,40 +1494,6 @@ esac
AC_C_DOUBLE_MIDDLE_ENDIAN
-AC_ARG_ENABLE(native-ethr-impls,
- AS_HELP_STRING([--disable-native-ethr-impls],
- [disable native ethread implementations]),
-[ case "$enableval" in
- no) disable_native_ethr_impls=yes ;;
- *) disable_native_ethr_impls=no ;;
- esac ], disable_native_ethr_impls=no)
-
-AC_ARG_ENABLE(x86-out-of-order,
- AS_HELP_STRING([--enable-x86-out-of-order],
- [enable x86/x84_64 out of order support (default disabled)]))
-
-test "X$disable_native_ethr_impls" = "Xyes" &&
- AC_DEFINE(ETHR_DISABLE_NATIVE_IMPLS, 1, [Define if you want to disable native ethread implementations])
-
-AC_ARG_ENABLE(prefer-gcc-native-ethr-impls,
- AS_HELP_STRING([--enable-prefer-gcc-native-ethr-impls],
- [prefer gcc native ethread implementations]),
-[ case "$enableval" in
- yes) enable_prefer_gcc_native_ethr_impls=yes ;;
- *) enable_prefer_gcc_native_ethr_impls=no ;;
- esac ], enable_prefer_gcc_native_ethr_impls=no)
-
-test $enable_prefer_gcc_native_ethr_impls = yes &&
- AC_DEFINE(ETHR_PREFER_GCC_NATIVE_IMPLS, 1, [Define if you prefer gcc native ethread implementations])
-
-AC_ARG_WITH(libatomic_ops,
- AS_HELP_STRING([--with-libatomic_ops=PATH],
- [specify and prefer usage of libatomic_ops in the ethread library]))
-
-AC_ARG_WITH(with_sparc_memory_order,
- AS_HELP_STRING([--with-sparc-memory-order=TSO|PSO|RMO],
- [specify sparc memory order (defaults to RMO)]))
-
ETHR_X86_SSE2_ASM=no
case "$GCC-$ac_cv_sizeof_void_p-$host_cpu" in
yes-4-i86pc | yes-4-i*86 | yes-4-x86_64 | yes-4-amd64)
diff --git a/erts/configure.in b/erts/configure.in
index b056ba44e2..2f624e5853 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -150,6 +150,14 @@ AS_HELP_STRING([--disable-smp-support], [disable smp support]),
*) enable_smp_support=yes ;;
esac ], enable_smp_support=unknown)
+AC_ARG_ENABLE(smp-require-native-atomics,
+ AS_HELP_STRING([--disable-smp-require-native-atomics],
+ [disable the SMP requirement of a native atomic implementation]),
+[ case "$enableval" in
+ no) smp_require_native_atomics=no ;;
+ *) smp_require_native_atomics=yes ;;
+ esac ], smp_require_native_atomics=yes)
+
AC_ARG_WITH(termcap,
AS_HELP_STRING([--with-termcap], [use termcap (default)])
AS_HELP_STRING([--without-termcap],
@@ -1043,11 +1051,15 @@ if test $ERTS_BUILD_SMP_EMU = yes; then
AC_DEFINE(ERTS_HAVE_SMP_EMU, 1, [Define if the smp emulator is built])
- case "$ethr_have_native_atomics-$ethr_have_native_spinlock" in
+ case "$ethr_have_native_atomics-$smp_require_native_atomics-$ethr_have_native_spinlock" in
yes-*)
;;
- no-yes)
+ no-yes-*)
+ AC_MSG_ERROR([No native atomic implementation found. See INSTALL.md for more information.])
+ ;;
+
+ no-no-yes)
test -f "$ERL_TOP/erts/CONF_INFO" ||
echo "" > "$ERL_TOP/erts/CONF_INFO"
@@ -1056,12 +1068,13 @@ if test $ERTS_BUILD_SMP_EMU = yes; then
No native atomic implementation available.
Fallbacks implemented using spinlocks will be
used. Note that the performance of the SMP
- runtime system will suffer due to this.
+ runtime system will suffer immensely due to
+ this.
EOF
;;
- no-no)
+ no-no-no)
test -f "$ERL_TOP/erts/CONF_INFO" ||
echo "" > "$ERL_TOP/erts/CONF_INFO"
@@ -1071,7 +1084,7 @@ EOF
spinlock implementation available. Fallbacks
implemented using mutexes will be used. Note
that the performance of the SMP runtime system
- will suffer much due to this.
+ will suffer immensely due to this.
EOF
;;
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 5781009f58..da36c4437e 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -6256,3 +6256,12 @@ erts_current_reductions(Process *current, Process *p)
}
}
+int
+erts_beam_jump_table(void)
+{
+#if defined(NO_JUMP_TABLE)
+ return 0;
+#else
+ return 1;
+#endif
+}
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 74a37f374d..e4fbd21c0e 100755
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -2577,74 +2577,14 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1)
hp = hsz ? HAlloc(BIF_P, hsz) : NULL;
res = erts_bld_uint(&hp, NULL, erts_dist_buf_busy_limit);
BIF_RET(res);
- } else if (ERTS_IS_ATOM_STR("print_ethread_info", BIF_ARG_1)) {
-#if defined(ETHR_NATIVE_ATOMIC32_IMPL) \
- || defined(ETHR_NATIVE_ATOMIC64_IMPL) \
- || defined(ETHR_NATIVE_DW_ATOMIC_IMPL)
- int i;
- char **str;
-#endif
-#ifdef ETHR_NATIVE_ATOMIC32_IMPL
- erts_printf("32-bit native atomics: %s\n",
- ETHR_NATIVE_ATOMIC32_IMPL);
- str = ethr_native_atomic32_ops();
- for (i = 0; str[i]; i++)
- erts_printf("ethr_native_atomic32_%s()\n", str[i]);
-#endif
-#ifdef ETHR_NATIVE_ATOMIC64_IMPL
- erts_printf("64-bit native atomics: %s\n",
- ETHR_NATIVE_ATOMIC64_IMPL);
- str = ethr_native_atomic64_ops();
- for (i = 0; str[i]; i++)
- erts_printf("ethr_native_atomic64_%s()\n", str[i]);
-#endif
-#ifdef ETHR_NATIVE_DW_ATOMIC_IMPL
- if (ethr_have_native_dw_atomic()) {
- erts_printf("Double word native atomics: %s\n",
- ETHR_NATIVE_DW_ATOMIC_IMPL);
- str = ethr_native_dw_atomic_ops();
- for (i = 0; str[i]; i++)
- erts_printf("ethr_native_dw_atomic_%s()\n", str[i]);
- str = ethr_native_su_dw_atomic_ops();
- for (i = 0; str[i]; i++)
- erts_printf("ethr_native_su_dw_atomic_%s()\n", str[i]);
- }
-#endif
-#ifdef ETHR_NATIVE_SPINLOCK_IMPL
- erts_printf("Native spin-locks: %s\n", ETHR_NATIVE_SPINLOCK_IMPL);
-#endif
-#ifdef ETHR_NATIVE_RWSPINLOCK_IMPL
- erts_printf("Native rwspin-locks: %s\n", ETHR_NATIVE_RWSPINLOCK_IMPL);
-#endif
-#ifdef ETHR_X86_RUNTIME_CONF_HAVE_SSE2__
- erts_printf("SSE2 support: %s\n", (ETHR_X86_RUNTIME_CONF_HAVE_SSE2__
- ? "yes" : "no"));
-#endif
-#ifdef ETHR_X86_OUT_OF_ORDER
- erts_printf("x86"
-#ifdef ARCH_64
- "_64"
-#endif
- " out of order\n");
-#endif
-#ifdef ETHR_SPARC_TSO
- erts_printf("Sparc TSO\n");
-#endif
-#ifdef ETHR_SPARC_PSO
- erts_printf("Sparc PSO\n");
-#endif
-#ifdef ETHR_SPARC_RMO
- erts_printf("Sparc RMO\n");
-#endif
-#if defined(ETHR_PPC_HAVE_LWSYNC)
- erts_printf("Have lwsync instruction: yes\n");
-#elif defined(ETHR_PPC_HAVE_NO_LWSYNC)
- erts_printf("Have lwsync instruction: no\n");
-#elif defined(ETHR_PPC_RUNTIME_CONF_HAVE_LWSYNC__)
- erts_printf("Have lwsync instruction: %s (runtime test)\n",
- ETHR_PPC_RUNTIME_CONF_HAVE_LWSYNC__ ? "yes" : "no");
-#endif
- BIF_RET(am_true);
+ } else if (ERTS_IS_ATOM_STR("ethread_info", BIF_ARG_1)) {
+ BIF_RET(erts_get_ethread_info(BIF_P));
+ }
+ else if (ERTS_IS_ATOM_STR("emu_args", BIF_ARG_1)) {
+ BIF_RET(erts_get_emu_args(BIF_P));
+ }
+ else if (ERTS_IS_ATOM_STR("beam_jump_table", BIF_ARG_1)) {
+ BIF_RET(erts_beam_jump_table() ? am_true : am_false);
}
else if (ERTS_IS_ATOM_STR("dynamic_trace", BIF_ARG_1)) {
#if defined(USE_DTRACE)
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 4bae3dfeb4..8d137df7ae 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -637,6 +637,8 @@ early_init(int *argc, char **argv) /*
char envbuf[21]; /* enough for any 64-bit integer */
size_t envbufsz;
+ erts_save_emu_args(*argc, argv);
+
erts_sched_compact_load = 1;
erts_printf_eterm_func = erts_printf_term;
erts_disable_tolerant_timeofday = 0;
diff --git a/erts/emulator/beam/erl_utils.h b/erts/emulator/beam/erl_utils.h
index a2064bd8a3..80d29d554a 100644
--- a/erts/emulator/beam/erl_utils.h
+++ b/erts/emulator/beam/erl_utils.h
@@ -24,6 +24,8 @@
#include "erl_smp.h"
#include "erl_printf.h"
+struct process;
+
typedef struct {
#ifdef DEBUG
int smp_api;
@@ -155,6 +157,9 @@ Uint32 block_hash(byte *, unsigned, Uint32);
Uint32 make_hash2(Eterm);
Uint32 make_hash(Eterm);
+void erts_save_emu_args(int argc, char **argv);
+Eterm erts_get_emu_args(struct process *c_p);
+Eterm erts_get_ethread_info(struct process * c_p);
Eterm erts_bld_atom(Uint **hpp, Uint *szp, char *str);
Eterm erts_bld_uint(Uint **hpp, Uint *szp, Uint ui);
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 25aedc91c6..e5807b5ce6 100755
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -1042,6 +1042,8 @@ extern erts_driver_t vanilla_driver;
extern erts_driver_t spawn_driver;
extern erts_driver_t fd_driver;
+int erts_beam_jump_table(void);
+
/* Should maybe be placed in erl_message.h, but then we get an include mess. */
ERTS_GLB_INLINE Eterm *
erts_alloc_message_heap_state(Uint size,
diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c
index 62caa67ce1..a285c1d62b 100644
--- a/erts/emulator/beam/utils.c
+++ b/erts/emulator/beam/utils.c
@@ -3466,6 +3466,291 @@ erts_free_read_env(void *value)
erts_free(ERTS_ALC_T_TMP, value);
}
+
+typedef struct {
+ size_t sz;
+ char *ptr;
+} ErtsEmuArg;
+
+typedef struct {
+ int argc;
+ ErtsEmuArg *arg;
+ size_t no_bytes;
+} ErtsEmuArgs;
+
+ErtsEmuArgs saved_emu_args = {0};
+
+void
+erts_save_emu_args(int argc, char **argv)
+{
+#ifdef DEBUG
+ char *end_ptr;
+#endif
+ char *ptr;
+ int i;
+ size_t arg_sz[100];
+ size_t size;
+
+ ASSERT(!saved_emu_args.argc);
+
+ size = sizeof(ErtsEmuArg)*argc;
+ for (i = 0; i < argc; i++) {
+ size_t sz = sys_strlen(argv[i]);
+ if (i < sizeof(arg_sz)/sizeof(arg_sz[0]))
+ arg_sz[i] = sz;
+ size += sz+1;
+ }
+ ptr = (char *) malloc(size);
+#ifdef DEBUG
+ end_ptr = ptr + size;
+#endif
+ saved_emu_args.arg = (ErtsEmuArg *) ptr;
+ ptr += sizeof(ErtsEmuArg)*argc;
+ saved_emu_args.argc = argc;
+ saved_emu_args.no_bytes = 0;
+ for (i = 0; i < argc; i++) {
+ size_t sz;
+ if (i < sizeof(arg_sz)/sizeof(arg_sz[0]))
+ sz = arg_sz[i];
+ else
+ sz = sys_strlen(argv[i]);
+ saved_emu_args.arg[i].ptr = ptr;
+ saved_emu_args.arg[i].sz = sz;
+ saved_emu_args.no_bytes += sz;
+ ptr += sz+1;
+ sys_strcpy(saved_emu_args.arg[i].ptr, argv[i]);
+ }
+ ASSERT(ptr == end_ptr);
+}
+
+Eterm
+erts_get_emu_args(Process *c_p)
+{
+#ifdef DEBUG
+ Eterm *end_hp;
+#endif
+ int i;
+ Uint hsz;
+ Eterm *hp, res;
+
+ hsz = saved_emu_args.no_bytes*2;
+ hsz += saved_emu_args.argc*2;
+
+ hp = HAlloc(c_p, hsz);
+#ifdef DEBUG
+ end_hp = hp + hsz;
+#endif
+ res = NIL;
+
+ for (i = saved_emu_args.argc-1; i >= 0; i--) {
+ Eterm arg = buf_to_intlist(&hp,
+ saved_emu_args.arg[i].ptr,
+ saved_emu_args.arg[i].sz,
+ NIL);
+ res = CONS(hp, arg, res);
+ hp += 2;
+ }
+
+ ASSERT(hp == end_hp);
+
+ return res;
+}
+
+
+Eterm
+erts_get_ethread_info(Process *c_p)
+{
+ Uint sz, *szp;
+ Eterm res, *hp, **hpp, *end_hp = NULL;
+
+ sz = 0;
+ szp = &sz;
+ hpp = NULL;
+
+ while (1) {
+ Eterm tup, list, name;
+#if defined(ETHR_NATIVE_ATOMIC32_IMPL) \
+ || defined(ETHR_NATIVE_ATOMIC64_IMPL) \
+ || defined(ETHR_NATIVE_DW_ATOMIC_IMPL)
+ char buf[1024];
+ int i;
+ char **str;
+#endif
+
+ res = NIL;
+
+#ifdef ETHR_X86_MEMBAR_H__
+
+ tup = erts_bld_tuple(hpp, szp, 2,
+ erts_bld_string(hpp, szp, "sse2"),
+#ifdef ETHR_X86_RUNTIME_CONF_HAVE_SSE2__
+ erts_bld_string(hpp, szp,
+ (ETHR_X86_RUNTIME_CONF_HAVE_SSE2__
+ ? "yes" : "no"))
+#else
+ erts_bld_string(hpp, szp, "yes")
+#endif
+ );
+ res = erts_bld_cons(hpp, szp, tup, res);
+
+ tup = erts_bld_tuple(hpp, szp, 2,
+ erts_bld_string(hpp, szp,
+ "x86"
+#ifdef ARCH_64
+ "_64"
+#endif
+ " OOO"),
+ erts_bld_string(hpp, szp,
+#ifdef ETHR_X86_OUT_OF_ORDER
+ "yes"
+#else
+ "no"
+#endif
+ ));
+
+ res = erts_bld_cons(hpp, szp, tup, res);
+#endif
+
+#ifdef ETHR_SPARC_V9_MEMBAR_H__
+
+ tup = erts_bld_tuple(hpp, szp, 2,
+ erts_bld_string(hpp, szp, "Sparc V9"),
+ erts_bld_string(hpp, szp,
+#if defined(ETHR_SPARC_TSO)
+ "TSO"
+#elif defined(ETHR_SPARC_PSO)
+ "PSO"
+#elif defined(ETHR_SPARC_RMO)
+ "RMO"
+#else
+ "undefined"
+#endif
+ ));
+
+ res = erts_bld_cons(hpp, szp, tup, res);
+
+#endif
+
+#ifdef ETHR_PPC_MEMBAR_H__
+
+ tup = erts_bld_tuple(hpp, szp, 2,
+ erts_bld_string(hpp, szp, "lwsync"),
+ erts_bld_string(hpp, szp,
+#if defined(ETHR_PPC_HAVE_LWSYNC)
+ "yes"
+#elif defined(ETHR_PPC_HAVE_NO_LWSYNC)
+ "no"
+#elif defined(ETHR_PPC_RUNTIME_CONF_HAVE_LWSYNC__)
+ ETHR_PPC_RUNTIME_CONF_HAVE_LWSYNC__ ? "yes" : "no"
+#else
+ "undefined"
+#endif
+ ));
+
+ res = erts_bld_cons(hpp, szp, tup, res);
+
+#endif
+
+ tup = erts_bld_tuple(hpp, szp, 2,
+ erts_bld_string(hpp, szp, "Native rw-spinlocks"),
+#ifdef ETHR_NATIVE_RWSPINLOCK_IMPL
+ erts_bld_string(hpp, szp, ETHR_NATIVE_RWSPINLOCK_IMPL)
+#else
+ erts_bld_string(hpp, szp, "no")
+#endif
+ );
+ res = erts_bld_cons(hpp, szp, tup, res);
+
+ tup = erts_bld_tuple(hpp, szp, 2,
+ erts_bld_string(hpp, szp, "Native spinlocks"),
+#ifdef ETHR_NATIVE_SPINLOCK_IMPL
+ erts_bld_string(hpp, szp, ETHR_NATIVE_SPINLOCK_IMPL)
+#else
+ erts_bld_string(hpp, szp, "no")
+#endif
+ );
+ res = erts_bld_cons(hpp, szp, tup, res);
+
+
+ list = NIL;
+#ifdef ETHR_NATIVE_DW_ATOMIC_IMPL
+ if (ethr_have_native_dw_atomic()) {
+ name = erts_bld_string(hpp, szp, ETHR_NATIVE_DW_ATOMIC_IMPL);
+ str = ethr_native_dw_atomic_ops();
+ for (i = 0; str[i]; i++) {
+ erts_snprintf(buf, sizeof(buf), "ethr_native_dw_atomic_%s()", str[i]);
+ list = erts_bld_cons(hpp, szp,
+ erts_bld_string(hpp, szp, buf),
+ list);
+ }
+ str = ethr_native_su_dw_atomic_ops();
+ for (i = 0; str[i]; i++) {
+ erts_snprintf(buf, sizeof(buf), "ethr_native_su_dw_atomic_%s()", str[i]);
+ list = erts_bld_cons(hpp, szp,
+ erts_bld_string(hpp, szp, buf),
+ list);
+ }
+ }
+ else
+#endif
+ name = erts_bld_string(hpp, szp, "no");
+
+ tup = erts_bld_tuple(hpp, szp, 3,
+ erts_bld_string(hpp, szp, "Double word native atomics"),
+ name,
+ list);
+ res = erts_bld_cons(hpp, szp, tup, res);
+
+ list = NIL;
+#ifdef ETHR_NATIVE_ATOMIC64_IMPL
+ name = erts_bld_string(hpp, szp, ETHR_NATIVE_ATOMIC64_IMPL);
+ str = ethr_native_atomic64_ops();
+ for (i = 0; str[i]; i++) {
+ erts_snprintf(buf, sizeof(buf), "ethr_native_atomic64_%s()", str[i]);
+ list = erts_bld_cons(hpp, szp,
+ erts_bld_string(hpp, szp, buf),
+ list);
+ }
+#else
+ name = erts_bld_string(hpp, szp, "no");
+#endif
+ tup = erts_bld_tuple(hpp, szp, 3,
+ erts_bld_string(hpp, szp, "64-bit native atomics"),
+ name,
+ list);
+ res = erts_bld_cons(hpp, szp, tup, res);
+
+ list = NIL;
+#ifdef ETHR_NATIVE_ATOMIC32_IMPL
+ name = erts_bld_string(hpp, szp, ETHR_NATIVE_ATOMIC32_IMPL);
+ str = ethr_native_atomic32_ops();
+ for (i = 0; str[i]; i++) {
+ erts_snprintf(buf, sizeof(buf), "ethr_native_atomic32_%s()", str[i]);
+ list = erts_bld_cons(hpp, szp,
+ erts_bld_string(hpp, szp, buf),
+ list);
+ }
+#else
+ name = erts_bld_string(hpp, szp, "no");
+#endif
+ tup = erts_bld_tuple(hpp, szp, 3,
+ erts_bld_string(hpp, szp, "32-bit native atomics"),
+ name,
+ list);
+ res = erts_bld_cons(hpp, szp, tup, res);
+
+ if (hpp) {
+ HRelease(c_p, end_hp, *hpp)
+ return res;
+ }
+
+ hp = HAlloc(c_p, sz);
+ end_hp = hp + sz;
+ hpp = &hp;
+ szp = NULL;
+ }
+}
+
/*
* To be used to silence unused result warnings, but do not abuse it.
*/
diff --git a/erts/emulator/test/smoke_test_SUITE.erl b/erts/emulator/test/smoke_test_SUITE.erl
index 6f5c2080c0..10b7e16a74 100644
--- a/erts/emulator/test/smoke_test_SUITE.erl
+++ b/erts/emulator/test/smoke_test_SUITE.erl
@@ -26,14 +26,14 @@
init_per_group/2,end_per_group/2,
init_per_testcase/2, end_per_testcase/2]).
--export([boot_combo/1]).
+-export([boot_combo/1, native_atomics/1, jump_table/1]).
-define(DEFAULT_TIMEOUT, ?t:minutes(2)).
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
- [boot_combo].
+ [boot_combo, native_atomics, jump_table].
groups() ->
[].
@@ -105,6 +105,41 @@ boot_combo(Config) when is_list(Config) ->
end)
end.
+native_atomics(Config) when is_list(Config) ->
+ NA32Key = "32-bit native atomics",
+ NA64Key = "64-bit native atomics",
+ DWNAKey = "Double word native atomics",
+ EthreadInfo = erlang:system_info(ethread_info),
+ ?t:format("~p~n", [EthreadInfo]),
+ {value,{NA32Key, NA32, _}} = lists:keysearch(NA32Key, 1, EthreadInfo),
+ {value,{NA64Key, NA64, _}} = lists:keysearch(NA64Key, 1, EthreadInfo),
+ {value,{DWNAKey, DWNA, _}} = lists:keysearch(DWNAKey, 1, EthreadInfo),
+ case {erlang:system_info(build_type), erlang:system_info(smp_support), NA32, NA64, DWNA} of
+ {opt, true, "no", "no", _} ->
+ ?t:fail(optimized_smp_runtime_without_native_atomics);
+ {_, false, "no", "no", _} ->
+ {comment, "No native atomics"};
+ _ ->
+ {comment,
+ NA32 ++ " 32-bit, "
+ ++ NA64 ++ " 64-bit, and "
+ ++ DWNA ++ " double word native atomics"}
+ end.
+
+jump_table(Config) when is_list(Config) ->
+ case erlang:system_info(beam_jump_table) of
+ true ->
+ ok;
+ false ->
+ case erlang:system_info(build_type) of
+ opt ->
+ ?t:fail(optimized_without_beam_jump_table);
+ BT ->
+ {comment, "No beam jump table, but build type is " ++ atom_to_list(BT)}
+ end
+ end.
+
+
%%%
%%% Aux functions --------------------------------------------------------------
%%%
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 08:45:16 +0000