Merge pull request #61 from dugiahuy/support-macos

Support MacOS for running MMTk Ruby binding

mmtk_support.c

@@ -16,6 +16,10 @@
 #include "vm_sync.h"
 #include "stdatomic.h"
 
+#ifdef __APPLE__
+#include <sys/sysctl.h>
+#endif
+
 #ifdef __GNUC__
 #define PREFETCH(addr, write_p) __builtin_prefetch(addr, write_p)
 #define EXPECT(expr, val) __builtin_expect(expr, val)
@@ -218,6 +222,17 @@ rb_mmtk_system_physical_memory(void)
  rb_bug("failed to get system physical memory size");
  }
  return (size_t) physical_pages * (size_t) page_size;
+#elif defined(__APPLE__)
+ int mib[2];
+ mib[0] = CTL_HW;
+ mib[1] = HW_MEMSIZE; // total physical memory
+ int64_t physical_memory;
+ size_t length = sizeof(int64_t);
+ if (sysctl(mib, 2, &physical_memory, &length, NULL, 0) == -1)
+ {
+ rb_bug("failed to get system physical memory size");
+ }
+ return (size_t) physical_memory;
 #else
 #error no implementation of rb_mmtk_system_physical_memory on this platform
 #endif

tool/m4/mmtk_ruby.m4

@@ -1,7 +1,7 @@
 dnl -*- Autoconf -*-
 AC_DEFUN([MMTK_RUBY], [
 
-[MMTK_RUBY_SO_NAME=libmmtk_ruby.so]
+[MMTK_RUBY_SO_NAME=libmmtk_ruby.$SOEXT]
 
 AC_ARG_WITH(mmtk-ruby,
  AS_HELP_STRING([--with-mmtk-ruby=DIR],
@@ -31,7 +31,7 @@ AS_IF([test -n "$with_mmtk_ruby"], [
  AC_MSG_NOTICE([User specified the path to $MMTK_RUBY_SO_NAME: $with_mmtk_ruby_so])
  mmtk_ruby_so_basename=$(basename $with_mmtk_ruby_so)
  AS_IF([test "x$mmtk_ruby_so_basename" != "x$MMTK_RUBY_SO_NAME"],[
- AC_MSG_ERROR([The base name must be $MMTK_RUBY_SO_NAME  Found: $mmtk_ruby_so_basename])
+ AC_MSG_ERROR([The base name must be $MMTK_RUBY_SO_NAME. Found: $mmtk_ruby_so_basename])
  ])
  mmtk_ruby_so_path="$with_mmtk_ruby_so"
  mmtk_ruby_build_suggestion="Please build it first"