2006-09-21 Sandro Tolaini <tolaini@libero.it>

[pf3gnuchains/gcc-fork.git] / boehm-gc / include / private / gcconfig.h

diff --git a/boehm-gc/include/private/gcconfig.h b/boehm-gc/include/private/gcconfig.h
index d7d96b1..26db82e 100644 (file)
--- a/boehm-gc/include/private/gcconfig.h
+++ b/boehm-gc/include/private/gcconfig.h
@@ -304,7 +304,7 @@
 #    define mach_type_known
 #   elif defined(__i386__)
 #    define I386
-     --> Not really supported, but at least we recognize it.
+#    define mach_type_known
 #   endif
 # endif
 # if defined(NeXT) && defined(mc68000)
@@ -1308,6 +1308,29 @@
 /* #     define MPROTECT_VDB  Not quite working yet? */
 #     define DYNAMIC_LOADING
 #   endif
+#   ifdef DARWIN
+#     define OS_TYPE "DARWIN"
+#     define DARWIN_DONT_PARSE_STACK
+#     define DYNAMIC_LOADING
+      /* XXX: see get_end(3), get_etext() and get_end() should not be used.
+        These aren't used when dyld support is enabled (it is by default) */
+#     define DATASTART ((ptr_t) get_etext())
+#     define DATAEND   ((ptr_t) get_end())
+#     define STACKBOTTOM ((ptr_t) 0xc0000000)
+#     define USE_MMAP
+#     define USE_MMAP_ANON
+#     define USE_ASM_PUSH_REGS
+      /* This is potentially buggy. It needs more testing. See the comments in
+        os_dep.c.  It relies on threads to track writes. */
+#     ifdef GC_DARWIN_THREADS
+/* #       define MPROTECT_VDB -- disabled for now.  May work for some apps. */
+#     endif
+#     include <unistd.h>
+#     define GETPAGESIZE() getpagesize()
+      /* There seems to be some issues with trylock hanging on darwin. This
+         should be looked into some more */
+#      define NO_PTHREAD_TRYLOCK
+#   endif /* DARWIN */
 # endif
 
 # ifdef NS32K