# define FREEBSD
# endif
+/* And one for Darwin: */
+# if defined(macosx) || (defined(__APPLE__) && defined(__MACH__))
+# define DARWIN
+# endif
+
/* Determine the machine type: */
# if defined(__arm__) || defined(__thumb__)
# define ARM32
-# if !defined(LINUX) && !defined(NETBSD)
+# if !defined(LINUX) && !defined(NETBSD) && !defined(DARWIN)
# define NOSYS
# define mach_type_known
# endif
# define MACOS
# define mach_type_known
# endif
-# if defined(macosx) || (defined(__APPLE__) && defined(__MACH__))
-# define DARWIN
+# ifdef DARWIN
# if defined(__ppc__) || defined(__ppc64__)
# define POWERPC
# define mach_type_known
# elif defined(__i386__)
# define I386
- --> Not really supported, but at least we recognize it.
+# define mach_type_known
+# define DARWIN_DONT_PARSE_STACK
+# 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) */
+# 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. */
+# 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
+# elif defined(__arm__)
+# define ARM
+# define mach_type_known
+# define DARWIN_DONT_PARSE_STACK
# 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
# else
# if (defined(_MSDOS) || defined(_MSC_VER)) && (_M_IX86 >= 300) \
|| defined(_WIN32) && !defined(__CYGWIN32__) && !defined(__CYGWIN__)
-# define I386
-# define MSWIN32 /* or Win32s */
-# define mach_type_known
-# endif
-# if defined(_MSC_VER) && defined(_M_IA64)
-# define IA64
-# define MSWIN32 /* Really win64, but we don't treat 64-bit */
- /* variants as a differnt platform. */
+# if defined(__LP64__) || defined(_WIN64)\r
+# define X86_64\r
+# else\r
+# define I386\r
+# endif\r
+# define MSWIN32 /* or Win64 */\r
+# define mach_type_known\r
+# endif\r
+# if defined(_MSC_VER) && defined(_M_IA64)\r
+# define IA64\r
+# define MSWIN32 /* Really win64, but we don't treat 64-bit */\r
+ /* variants as a differnt platform. */\r
# endif
# endif
# if defined(__DJGPP__)
# else
Linux Sparc/a.out not supported
# endif
- extern int _end[];
- extern int _etext[];
-# define DATAEND (_end)
# define SVR4
- extern ptr_t GC_SysVGetDataStart();
-# ifdef __arch64__
-# define DATASTART GC_SysVGetDataStart(0x100000, _etext)
+# include <features.h>
+# if defined(__GLIBC__) && __GLIBC__ >= 2
+# define SEARCH_FOR_DATA_START
# else
-# define DATASTART GC_SysVGetDataStart(0x10000, _etext)
+ extern char **__environ;
+# define DATASTART ((ptr_t)(&__environ))
+ /* hideous kludge: __environ is the first */
+ /* word in crt0.o, and delimits the start */
+ /* of the data segment, no matter which */
+ /* ld options were passed through. */
+ /* We could use _etext instead, but that */
+ /* would include .rodata, which may */
+ /* contain large read-only data tables */
+ /* that we'd rather not scan. */
# endif
+ extern int _end[];
+# define DATAEND (_end)
# define LINUX_STACKBOTTOM
# endif
# ifdef OPENBSD
# include <features.h>
# if defined(__GLIBC__) && __GLIBC__ >= 2
# define SEARCH_FOR_DATA_START
+# elif defined(PLATFORM_ANDROID)
+# define SEARCH_FOR_DATA_START
# else
extern char **__environ;
# define DATASTART ((ptr_t)(&__environ))
# define OS_TYPE "MSWINCE"
# define DATAEND /* not needed */
# endif
+# ifdef DARWIN
+# define OS_TYPE "DARWIN"
+# define DATASTART ((ptr_t) get_etext())
+# define DATAEND ((ptr_t) get_end())
+# define STACKBOTTOM ((ptr_t) 0x30000000)
+# define USE_MMAP
+# define USE_MMAP_ANON
+# define USE_MUNMAP
+# endif
# ifdef NOSYS
/* __data_start is usually defined in the target linker script. */
extern int __data_start[];
# define PREFETCH_FOR_WRITE(x) __builtin_prefetch((x), 1)
# endif
# endif
+# ifdef FREEBSD
+# define OS_TYPE "FREEBSD"
+# ifndef GC_FREEBSD_THREADS
+# define MPROTECT_VDB
+# endif
+# define SIG_SUSPEND SIGTSTP
+# define SIG_THR_RESTART SIGCONT
+# define NEED_FIND_LIMIT
+# 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__
projects / mono.git / blobdiff