diff options
Diffstat (limited to 'erts')
| -rw-r--r-- | erts/configure.in | 46 | ||||
| -rw-r--r-- | erts/emulator/sys/common/erl_mmap.h | 18 |
2 files changed, 37 insertions, 27 deletions
diff --git a/erts/configure.in b/erts/configure.in index 86defd5119..4bff2ebf3d 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -2744,29 +2744,29 @@ ERL_TIME_CORRECTION AC_CHECK_PROG(M4, m4, m4) -dnl HiPE cannot run on 64-bit without MAP_FIXED and MAP_NORESERVE -if test X${enable_hipe} != Xno && test X$ac_cv_sizeof_void_p != X4; then - AC_CHECK_DECLS([MAP_FIXED, MAP_NORESERVE], [], [], [#include <sys/mman.h>]) - if test X$ac_cv_have_decl_MAP_FIXED != Xyes || test X$ac_cv_have_decl_MAP_NORESERVE != Xyes; then - if test X${enable_hipe} = Xyes; then - AC_MSG_ERROR([HiPE on 64-bit needs MAP_FIXED and MAP_NORESERVE flags for mmap()]) - else - enable_hipe=no - AC_MSG_WARN([Disable HiPE due to lack of MAP_FIXED and MAP_NORESERVE flags for mmap()]) - fi - fi -fi - -dnl HiPE cannot run on 32-bit without mprotect() -if test X${enable_hipe} != Xno && test X$ac_cv_sizeof_void_p == X4; then - if test X$ac_cv_func_mprotect != Xyes; then - if test X${enable_hipe} = Xyes; then - AC_MSG_ERROR([HiPE on 32-bit needs mprotect()]) - else - enable_hipe=no - AC_MSG_WARN([Disable HiPE due to lack of mprotect()]) - fi - fi +if test X${enable_hipe} != Xno; then + if test X$ac_cv_sizeof_void_p != X4 && test X$ARCH = Xamd64; then + dnl HiPE cannot run on x86_64 without MAP_FIXED and MAP_NORESERVE + AC_CHECK_DECLS([MAP_FIXED, MAP_NORESERVE], [], [], [#include <sys/mman.h>]) + if test X$ac_cv_have_decl_MAP_FIXED != Xyes || test X$ac_cv_have_decl_MAP_NORESERVE != Xyes; then + if test X${enable_hipe} = Xyes; then + AC_MSG_ERROR([HiPE on x86_64 needs MAP_FIXED and MAP_NORESERVE flags for mmap()]) + else + enable_hipe=no + AC_MSG_WARN([Disable HiPE due to lack of MAP_FIXED and MAP_NORESERVE flags for mmap()]) + fi + fi + else + dnl HiPE cannot run without mprotect() + if test X$ac_cv_func_mprotect != Xyes; then + if test X${enable_hipe} = Xyes; then + AC_MSG_ERROR([HiPE needs mprotect() on $ARCH]) + else + enable_hipe=no + AC_MSG_WARN([Disable HiPE due to lack of mprotect()]) + fi + fi + fi fi dnl check to auto-enable hipe here... diff --git a/erts/emulator/sys/common/erl_mmap.h b/erts/emulator/sys/common/erl_mmap.h index 92e9eb9e41..1049f7affc 100644 --- a/erts/emulator/sys/common/erl_mmap.h +++ b/erts/emulator/sys/common/erl_mmap.h @@ -157,13 +157,23 @@ Eterm erts_mmap_info_options(ErtsMemMapper*, # include "erl_alloc_types.h" extern ErtsMemMapper erts_dflt_mmapper; -# if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION) + +# if defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION) + +# if defined(ARCH_64) extern ErtsMemMapper erts_literal_mmapper; -# ifdef ERTS_ALC_A_EXEC -# define ERTS_HAVE_EXEC_MMAPPER +# endif + +# if defined(ERTS_ALC_A_EXEC) && defined(__x86_64__) + /* + * On x86_64, exec_alloc employs its own super carrier 'erts_exec_mmaper' + * to ensure low memory for HiPE AMD64 small code model. + */ +# define ERTS_HAVE_EXEC_MMAPPER extern ErtsMemMapper erts_exec_mmapper; -# endif # endif + +# endif /* ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION */ #endif /* ERTS_WANT_MEM_MAPPERS */ /*#define HARD_DEBUG_MSEG*/ |