# define SUNOS5
# define mach_type_known
# endif
+# if defined(sun) && defined(__amd64)
+# define X86_64
+# define SUNOS5
+# define mach_type_known
+# endif
# if (defined(__OS2__) || defined(__EMX__)) && defined(__32BIT__)
# define I386
# define OS2
# if defined(__ppc__) || defined(__ppc64__)
# define POWERPC
# define mach_type_known
-# elif defined(__i386__) || defined(__x86_64)
+# elif defined(__x86_64__)
+# define X86_64
+# define mach_type_known
+# elif defined(__i386__)
# define I386
# define mach_type_known
# endif
# define I386
# define mach_type_known
# endif
+# if defined(FREEBSD) && defined(__x86_64__)
+# define X86_64
+# define mach_type_known
+# endif
# if defined(__NetBSD__) && (defined(i386) || defined(__i386__))
# define I386
# define mach_type_known
# endif
# ifdef LINUX
# define OS_TYPE "LINUX"
-# define STACKBOTTOM ((ptr_t)0xf0000000)
+# define LINUX_STACKBOTTOM
# define USE_GENERIC_PUSH_REGS
/* We never got around to the assembly version. */
-/* # define MPROTECT_VDB - Reported to not work 9/17/01 */
+# define MPROTECT_VDB
# ifdef __ELF__
# define DYNAMIC_LOADING
# include <features.h>
# define DATAEND (_end)
# endif
# ifdef DARWIN
-# if defined(__ppc64__) || defined(__x86_64)
+# define OS_TYPE "DARWIN"
+# define DYNAMIC_LOADING
+# if defined(__ppc64__)
# define ALIGNMENT 8
# define CPP_WORDSZ 64
+# define STACKBOTTOM ((ptr_t) 0x7fff5fc00000)
+# define CACHE_LINE_SIZE 64
+# ifndef HBLKSIZE
+# define HBLKSIZE 4096
+# endif
# else
# define ALIGNMENT 4
+# define STACKBOTTOM ((ptr_t) 0xc0000000)
# endif
-# define OS_TYPE "DARWIN"
-# 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) */
+ 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 -- diabled for now. May work for some apps. */
+# define MPROTECT_VDB
# endif
# include <unistd.h>
# define GETPAGESIZE() getpagesize()
__asm__ __volatile__ ("dcbtst 0,%0" : : "r" ((const void *) (x)))
# endif
/* There seems to be some issues with trylock hanging on darwin. This
- should be looked into some more */
+ should be looked into some more */
# define NO_PTHREAD_TRYLOCK
# endif
# ifdef FREEBSD
# 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) */
+ 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)
+# ifdef HAVE_PTHREAD_GET_STACKADDR_NP
+# define STACKBOTTOM (ptr_t)pthread_get_stackaddr_np(pthread_self())
+# else
+# define STACKBOTTOM ((ptr_t) 0xc0000000)
+# endif
# 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. */
+# define MPROTECT_VDB
# 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
+ should be looked into some more */
+# define NO_PTHREAD_TRYLOCK
# endif /* DARWIN */
# endif
# define DATAEND (_end)
extern int __data_start[];
# define DATASTART ((ptr_t)(__data_start))
-# define ALIGNMENT 4
+# ifdef _MIPS_SZPTR
+# define CPP_WORDSZ _MIPS_SZPTR
+# define ALIGNMENT (_MIPS_SZPTR/8)
+# else
+# define ALIGNMENT 4
+# endif
+# ifndef HBLKSIZE
+# define HBLKSIZE 4096
+# endif
# define USE_GENERIC_PUSH_REGS
# if __GLIBC__ == 2 && __GLIBC_MINOR__ >= 2 || __GLIBC__ > 2
# define LINUX_STACKBOTTOM
# if CPP_WORDSZ != 64
# define ALIGN_DOUBLE
# endif
+# if _MIPS_SZPTR == 64
+# define ELF_CLASS ELFCLASS64
+# endif
# else
# define ALIGNMENT 4
# define ALIGN_DOUBLE
# define PREFETCH_FOR_WRITE(x) __builtin_prefetch((x), 1)
# endif
# 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())
+# ifdef HAVE_PTHREAD_GET_STACKADDR_NP
+# define STACKBOTTOM (ptr_t)pthread_get_stackaddr_np(pthread_self())
+# else
+# define STACKBOTTOM ((ptr_t) 0x7fff5fc00000)
+# endif
+# define USE_MMAP
+# define USE_MMAP_ANON
+# ifdef GC_DARWIN_THREADS
+# define MPROTECT_VDB
+# 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
# ifdef FREEBSD
# define OS_TYPE "FREEBSD"
# ifndef GC_FREEBSD_THREADS
extern char etext[];
# define SEARCH_FOR_DATA_START
# endif
+# ifdef SUNOS5
+# define ELF_CLASS ELFCLASS64
+# define OS_TYPE "SUNOS5"
+ extern int _etext[], _end[];
+ extern ptr_t GC_SysVGetDataStart();
+# define DATASTART GC_SysVGetDataStart(0x1000, _etext)
+# define DATAEND (_end)
+/* # define STACKBOTTOM ((ptr_t)(_start)) worked through 2.7, */
+/* but reportedly breaks under 2.8. It appears that the stack */
+/* base is a property of the executable, so this should not break */
+/* old executables. */
+/* HEURISTIC2 probably works, but this appears to be preferable. */
+/* # include <sys/vm.h> */
+/* # define STACKBOTTOM USRSTACK */
+# define HEURISTIC2
+# define PROC_VDB
+# define DYNAMIC_LOADING
+# if !defined(USE_MMAP) && defined(REDIRECT_MALLOC)
+# define USE_MMAP
+ /* Otherwise we now use calloc. Mmap may result in the */
+ /* heap interleaved with thread stacks, which can result in */
+ /* excessive blacklisting. Sbrk is unusable since it */
+ /* doesn't interact correctly with the system malloc. */
+# endif
+# ifdef USE_MMAP
+# define HEAP_START (ptr_t)0x40000000
+# else
+# define HEAP_START DATAEND
+# endif
+# endif
# endif
#if defined(LINUX) && defined(USE_MMAP)
((word*)x)[1] = 0;
# endif /* CLEAR_DOUBLE */
- /* Internally we use GC_SOLARIS_THREADS to test for either old or pthreads. */
-# if defined(GC_SOLARIS_PTHREADS) && !defined(GC_SOLARIS_THREADS)
-# define GC_SOLARIS_THREADS
-# endif
-
# if defined(GC_IRIX_THREADS) && !defined(IRIX5)
--> inconsistent configuration
# endif
calloc(1, (size_t)bytes + GC_page_size) \
+ GC_page_size-1)
# else
-# ifdef MSWIN32
+# if defined(MSWIN32) || defined(CYGWIN32)
extern ptr_t GC_win32_get_mem();
# define GET_MEM(bytes) (struct hblk *)GC_win32_get_mem(bytes)
# else
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