# endif
/* And one for FreeBSD: */
-# if defined(__FreeBSD__) && !defined(FREEBSD)
+# if ( defined(__FreeBSD__) || defined(__FreeBSD_kernel__) ) && !defined(FREEBSD)
# define FREEBSD
# endif
# if defined(__ppc__) || defined(__ppc64__)
# define POWERPC
# define mach_type_known
+# elif defined(__x86_64__)
+# define X86_64
+# 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)
# 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
-# ifdef __ppc64__
+# if defined(__ppc64__)
# define ALIGNMENT 8
# define CPP_WORDSZ 64
# else
# 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_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. */
+ 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 -- diabled for now. May work for some apps. */
# 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
# ifndef GC_FREEBSD_THREADS
# define MPROTECT_VDB
# endif
-# define SIG_SUSPEND SIGUSR1
-# define SIG_THR_RESTART SIGUSR2
+# ifdef __GLIBC__
+# define SIG_SUSPEND (32+6)
+# define SIG_THR_RESTART (32+5)
+ extern int _end[];
+# define DATAEND (_end)
+# else
+# define SIG_SUSPEND SIGUSR1
+# define SIG_THR_RESTART SIGUSR2
+# endif
# define FREEBSD_STACKBOTTOM
# ifdef __ELF__
# define DYNAMIC_LOADING
/* # 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
# 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())
+# define STACKBOTTOM ((ptr_t) 0x7fff5fc00000)
+# define USE_MMAP
+# define USE_MMAP_ANON
+# ifdef GC_DARWIN_THREADS
+ /* This is potentially buggy. It needs more testing. See the comments in
+ os_dep.c. It relies on threads to track writes. */
+# 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
+# define MPROTECT_VDB
+# endif
+# ifdef __GLIBC__
+# define SIG_SUSPEND (32+6)
+# define SIG_THR_RESTART (32+5)
+ extern int _end[];
+# define DATAEND (_end)
+# else
+# define SIG_SUSPEND SIGUSR1
+# define SIG_THR_RESTART SIGUSR2
+# endif
+# define FREEBSD_STACKBOTTOM
+# ifdef __ELF__
+# define DYNAMIC_LOADING
+# endif
+ extern char etext[];
+ extern char * GC_FreeBSDGetDataStart();
+# define DATASTART GC_FreeBSDGetDataStart(0x1000, &etext)
+# endif
# ifdef NETBSD
# define OS_TYPE "NETBSD"
# ifdef __ELF__
# define SUNOS5SIGS
# endif
-# if defined(FREEBSD) && (__FreeBSD__ >= 4)
+# if defined(FREEBSD) && ((__FreeBSD__ >= 4) || (__FreeBSD_kernel__ >= 4))
# define SUNOS5SIGS
# endif
# define CACHE_LINE_SIZE 32 /* Wild guess */
# endif
-# ifdef LINUX
+# if defined(LINUX) || defined(__GLIBC__)
# define REGISTER_LIBRARIES_EARLY
/* We sometimes use dl_iterate_phdr, which may acquire an internal */
/* lock. This isn't safe after the world has stopped. So we must */
#if defined(SPARC)
# define CAN_SAVE_CALL_ARGS
#endif
-#if (defined(I386) || defined(X86_64)) && defined(LINUX)
+#if (defined(I386) || defined(X86_64)) && (defined(LINUX) || defined(__GLIBC__))
/* SAVE_CALL_CHAIN is supported if the code is compiled to save */
/* frame pointers by default, i.e. no -fomit-frame-pointer flag. */
# define CAN_SAVE_CALL_ARGS
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