# endif
/* And one for FreeBSD: */
-# if defined(__FreeBSD__)
+# if defined(__FreeBSD__) && !defined(FREEBSD)
# 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 ARM32
# define mach_type_known
# endif
+# if defined(NETBSD) && defined(__sh__)
+# define SH
+# define mach_type_known
+# endif
# if defined(vax)
# define VAX
# ifdef ultrix
# if defined(nec_ews) || defined(_nec_ews)
# define EWS4800
# endif
-# if !defined(LINUX) && !defined(EWS4800)
-# if defined(ultrix) || defined(__ultrix) || defined(__NetBSD__)
+# if !defined(LINUX) && !defined(EWS4800) && !defined(NETBSD)
+# if defined(ultrix) || defined(__ultrix)
# define ULTRIX
# else
# if defined(_SYSTYPE_SVR4) || defined(SYSTYPE_SVR4) \
# define mach_type_known
# endif
# if defined(sparc) && defined(unix) && !defined(sun) && !defined(linux) \
- && !defined(__OpenBSD__) && !(__NetBSD__)
+ && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__FreeBSD__)
# define SPARC
# define DRSNX
# define mach_type_known
# if defined(_PA_RISC1_0) || defined(_PA_RISC1_1) || defined(_PA_RISC2_0) \
|| defined(hppa) || defined(__hppa__)
# define HP_PA
-# ifndef LINUX
+# if !defined(LINUX) && !defined(HPUX)
# define HPUX
# endif
# define mach_type_known
# endif
# if defined(__ia64) && defined(_HPUX_SOURCE)
# define IA64
-# define HPUX
+# ifndef HPUX
+# define HPUX
+# endif
# define mach_type_known
# endif
# if defined(__BEOS__) && defined(_X86_)
# define ARM32
# define mach_type_known
# endif
-# if defined(LINUX) && (defined(powerpc) || defined(__powerpc__) || defined(powerpc64) || defined(__powerpc64__))
+# if defined(LINUX) && defined(__cris__)
+# ifndef CRIS
+# define CRIS
+# endif
+# define mach_type_known
+# endif
+# if defined(LINUX) && (defined(powerpc) || defined(__powerpc__) || \
+ defined(powerpc64) || defined(__powerpc64__))
+# define POWERPC
+# define mach_type_known
+# endif
+# if defined(FREEBSD) && (defined(powerpc) || defined(__powerpc__))
# define POWERPC
# define mach_type_known
# endif
# define SH
# define mach_type_known
# endif
+# if defined(LINUX) && defined(__m32r__)
+# define M32R
+# define mach_type_known
+# endif
# if defined(__alpha) || defined(__alpha__)
# define ALPHA
# if !defined(LINUX) && !defined(NETBSD) && !defined(OPENBSD) && !defined(FREEBSD)
# define MACOS
# define mach_type_known
# endif
-# if defined(macosx) || \
- defined(__APPLE__) && defined(__MACH__) && defined(__ppc__)
-# define DARWIN
+# ifdef DARWIN
+# if defined(__ppc__) || defined(__ppc64__)
# define POWERPC
# define mach_type_known
-# endif
-# if defined(__APPLE__) && defined(__MACH__) && defined(__i386__)
-# define DARWIN
+# 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 M68K
# 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
# define X86_64
# define mach_type_known
# endif
+# if defined(FREEBSD) && defined(__sparc__)
+# define SPARC
+# define mach_type_known
+#endif
# if defined(bsdi) && (defined(i386) || defined(__i386__))
# define I386
# define BSDI
# 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__)
/* POWERPC ==> IBM/Apple PowerPC */
/* (MACOS(<=9),DARWIN(incl.MACOSX),*/
/* LINUX, NETBSD, NOSYS variants) */
+ /* Handles 32 and 64-bit variants. */
+ /* AIX should be handled here, but */
+ /* that's called an RS6000. */
+ /* CRIS ==> Axis Etrax */
+ /* M32R ==> Renesas M32R */
/*
* For each architecture and OS, the following need to be defined:
*
- * CPP_WORD_SZ is a simple integer constant representing the word size.
+ * CPP_WORDSZ is a simple integer constant representing the word size.
* in bits. We assume byte addressibility, where a byte has 8 bits.
- * We also assume CPP_WORD_SZ is either 32 or 64.
+ * We also assume CPP_WORDSZ is either 32 or 64.
* (We care about the length of pointers, not hardware
* bus widths. Thus a 64 bit processor with a C compiler that uses
- * 32 bit pointers should use CPP_WORD_SZ of 32, not 64. Default is 32.)
+ * 32 bit pointers should use CPP_WORDSZ of 32, not 64. Default is 32.)
*
* MACH_TYPE is a string representation of the machine type.
* OS_TYPE is analogous for the OS.
* DATAEND, if not `end' where `end' is defined as ``extern int end[];''.
* RTH suggests gaining access to linker script synth'd values with
* this idiom instead of `&end' where `end' is defined as ``extern int end;'' .
+ * Otherwise, ``GCC will assume these are in .sdata/.sbss'' and it will, e.g.,
+ * cause failures on alpha*-*-* with ``-msmall-data or -fpic'' or mips-*-*
+ * without any special options.
*
* ALIGN_DOUBLE of GC_malloc should return blocks aligned to twice
* the pointer size.
*/
# if defined(__GNUC__) && ((__GNUC__ >= 3) || \
(__GNUC__ == 2 && __GNUC_MINOR__ >= 8)) \
- && !defined(__INTEL_COMPILER)
+ && !defined(__INTEL_COMPILER) \
+ && !defined(__PATHCC__)
# define HAVE_BUILTIN_UNWIND_INIT
# endif
# endif
# endif
-# ifdef POWERPC
+# if defined(POWERPC)
# define MACH_TYPE "POWERPC"
# ifdef MACOS
# define ALIGNMENT 2 /* Still necessary? Could it be 4? */
# define DATAEND /* not needed */
# endif
# ifdef LINUX
-# if (defined (powerpc64) || defined(__powerpc64__))
+# if defined(__powerpc64__)
# define ALIGNMENT 8
# define CPP_WORDSZ 64
+# ifndef HBLKSIZE
+# define HBLKSIZE 4096
+# endif
# else
-# define ALIGNMENT 4 /* Guess. Can someone verify? */
- /* This was 2, but that didn't sound right. */
+# define ALIGNMENT 4
# endif
# define OS_TYPE "LINUX"
/* HEURISTIC1 has been reliably reported to fail for a 32-bit */
# define DATAEND (_end)
# endif
# ifdef DARWIN
-# define ALIGNMENT 4
+# ifdef __ppc64__
+# define ALIGNMENT 8
+# define CPP_WORDSZ 64
+# else
+# define ALIGNMENT 4
+# endif
# define OS_TYPE "DARWIN"
# define DYNAMIC_LOADING
/* XXX: see get_end(3), get_etext() and get_end() should not be used.
# define USE_MMAP_ANON
# define USE_ASM_PUSH_REGS
/* This is potentially buggy. It needs more testing. See the comments in
- os_dep.c */
-# define MPROTECT_VDB
+ 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()
# if defined(USE_PPC_PREFETCH) && defined(__GNUC__)
should be looked into some more */
# define NO_PTHREAD_TRYLOCK
# endif
+# ifdef FREEBSD
+# define ALIGNMENT 4
+# define OS_TYPE "FREEBSD"
+# ifndef GC_FREEBSD_THREADS
+# define MPROTECT_VDB
+# endif
+# define SIG_SUSPEND SIGUSR1
+# define SIG_THR_RESTART SIGUSR2
+# 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 ALIGNMENT 4
# define OS_TYPE "NETBSD"
# define CPP_WORDSZ 32
# endif
# define ALIGN_DOUBLE
+# ifdef _FILE_OFFSET_BITS
+# undef _FILE_OFFSET_BITS /* libelf.h & procfs.h doesn't compile with large file support */
+# define _FILE_OFFSET_BITS 32
+# endif
# ifdef SUNOS5
# define OS_TYPE "SUNOS5"
extern int _etext[];
# 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)
- /* libc_stack_end is not set reliably for sparc64 */
-# define STACKBOTTOM ((ptr_t) 0x80000000000ULL)
+# include <features.h>
+# if defined(__GLIBC__) && __GLIBC__ >= 2
+# define SEARCH_FOR_DATA_START
# else
-# define DATASTART GC_SysVGetDataStart(0x10000, _etext)
-# define LINUX_STACKBOTTOM
+ 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
# define OS_TYPE "OPENBSD"
# define DATASTART ((ptr_t)(etext))
# endif
# endif
+# ifdef FREEBSD
+# define OS_TYPE "FREEBSD"
+# define SIG_SUSPEND SIGUSR1
+# define SIG_THR_RESTART SIGUSR2
+# define FREEBSD_STACKBOTTOM
+# ifdef __ELF__
+# define DYNAMIC_LOADING
+# endif
+ extern char etext[];
+ extern char edata[];
+ extern char end[];
+# define NEED_FIND_LIMIT
+# define DATASTART ((ptr_t)(&etext))
+# define DATAEND (GC_find_limit (DATASTART, TRUE))
+# define DATASTART2 ((ptr_t)(&edata))
+# define DATAEND2 ((ptr_t)(&end))
+# endif
# endif
# ifdef I386
/* At least in Solaris 2.5, PROC_VDB gives wrong values for dirty bits. */
/* It appears to be fixed in 2.8 and 2.9. */
# ifdef SOLARIS25_PROC_VDB_BUG_FIXED
-# define PROC_VDB
+/* Reading of dirty bits doesn't seem to work even in solaris 10 */
+/*# define PROC_VDB */
# endif
# define DYNAMIC_LOADING
# if !defined(USE_MMAP) && defined(REDIRECT_MALLOC)
# endif
# ifdef CYGWIN32
# define OS_TYPE "CYGWIN32"
- extern int _data_start__[];
- extern int _data_end__[];
- extern int _bss_start__[];
- extern int _bss_end__[];
- /* For binutils 2.9.1, we have */
- /* DATASTART = _data_start__ */
- /* DATAEND = _bss_end__ */
- /* whereas for some earlier versions it was */
- /* DATASTART = _bss_start__ */
- /* DATAEND = _data_end__ */
- /* To get it right for both, we take the */
- /* minumum/maximum of the two. */
-# ifndef MAX
-# define MAX(x,y) ((x) > (y) ? (x) : (y))
-# endif
-# ifndef MIN
-# define MIN(x,y) ((x) < (y) ? (x) : (y))
-# endif
-# define DATASTART ((ptr_t) MIN(_data_start__, _bss_start__))
-# define DATAEND ((ptr_t) MAX(_data_end__, _bss_end__))
+# define DATASTART ((ptr_t)GC_DATASTART) /* From gc.h */
+# define DATAEND ((ptr_t)GC_DATAEND)
# undef STACK_GRAN
# define STACK_GRAN 0x10000
# define HEURISTIC1
# define DATAEND /* not needed */
# endif
# if defined(NETBSD)
- /* This also checked for __MIPSEL__ . Why? NETBSD recognition */
- /* should be handled at the top of the file. */
# define ALIGNMENT 4
# define OS_TYPE "NETBSD"
# define HEURISTIC2
# define CPP_WORDSZ 32
# define STACKBOTTOM ((ptr_t)((ulong)&errno))
# endif
+# define USE_MMAP
+# define USE_MMAP_ANON
/* From AIX linker man page:
_text Specifies the first location of the program.
_etext Specifies the first location after the program.
# endif
# ifdef LINUX
# define OS_TYPE "LINUX"
-# define STACKBOTTOM ((ptr_t) 0x120000000)
+# define LINUX_STACKBOTTOM
# ifdef __ELF__
# define SEARCH_FOR_DATA_START
# define DYNAMIC_LOADING
# define USE_GENERIC_PUSH_REGS
# ifdef UTS4
# define OS_TYPE "UTS4"
- extern int etext[];
+ extern int etext[];
extern int _etext[];
extern int _end[];
extern ptr_t GC_SysVGetDataStart();
# define MACH_TYPE "S390"
# define USE_GENERIC_PUSH_REGS
# ifndef __s390x__
-# define ALIGNMENT 4
-# define CPP_WORDSZ 32
+# define ALIGNMENT 4
+# define CPP_WORDSZ 32
# else
-# define ALIGNMENT 8
-# define CPP_WORDSZ 64
-# define HBLKSIZE 4096
+# define ALIGNMENT 8
+# define CPP_WORDSZ 64
+# endif
+# ifndef HBLKSIZE
+# define HBLKSIZE 4096
# endif
# ifdef LINUX
# define OS_TYPE "LINUX"
# define LINUX_STACKBOTTOM
# define DYNAMIC_LOADING
- extern int __data_start[];
+ extern int __data_start[];
# define DATASTART ((ptr_t)(__data_start))
extern int _end[];
# define DATAEND (_end)
# endif
# ifdef LINUX
# define OS_TYPE "LINUX"
-# define HEURISTIC1
+# define LINUX_STACKBOTTOM
# undef STACK_GRAN
# define STACK_GRAN 0x10000000
# define USE_GENERIC_PUSH_REGS
# 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[];
# endif
#endif
+# ifdef CRIS
+# define MACH_TYPE "CRIS"
+# define CPP_WORDSZ 32
+# define ALIGNMENT 1
+# define OS_TYPE "LINUX"
+# define DYNAMIC_LOADING
+# define LINUX_STACKBOTTOM
+# define USE_GENERIC_PUSH_REGS
+# define SEARCH_FOR_DATA_START
+ extern int _end[];
+# define DATAEND (_end)
+# endif
+
# ifdef SH
# define MACH_TYPE "SH"
# define ALIGNMENT 4
# endif
# ifdef LINUX
# define OS_TYPE "LINUX"
-# define STACKBOTTOM ((ptr_t) 0x7c000000)
+# define LINUX_STACKBOTTOM
# define USE_GENERIC_PUSH_REGS
# define DYNAMIC_LOADING
# define SEARCH_FOR_DATA_START
extern int _end[];
# define DATAEND (_end)
# endif
+# ifdef NETBSD
+# define OS_TYPE "NETBSD"
+# define HEURISTIC2
+# define DATASTART GC_data_start
+# define USE_GENERIC_PUSH_REGS
+# define DYNAMIC_LOADING
+# endif
# endif
# ifdef SH4
# define DATAEND /* not needed */
# endif
+# ifdef M32R
+# define CPP_WORDSZ 32
+# define MACH_TYPE "M32R"
+# define ALIGNMENT 4
+# ifdef LINUX
+# define OS_TYPE "LINUX"
+# define LINUX_STACKBOTTOM
+# undef STACK_GRAN
+# define STACK_GRAN 0x10000000
+# define USE_GENERIC_PUSH_REGS
+# define DYNAMIC_LOADING
+# define SEARCH_FOR_DATA_START
+ extern int _end[];
+# define DATAEND (_end)
+# endif
+# endif
+
# ifdef X86_64
# define MACH_TYPE "X86_64"
# define ALIGNMENT 8
# 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__
# define THREADS
# endif
-# if defined(HP_PA) || defined(M88K) || defined(POWERPC) && !defined(DARWIN) \
- || defined(LINT) || defined(MSWINCE) || defined(ARM32) \
+# if defined(HP_PA) || defined(M88K) \
+ || defined(POWERPC) && !defined(DARWIN) \
+ || defined(LINT) || defined(MSWINCE) || defined(ARM32) || defined(CRIS) \
|| (defined(I386) && defined(__LCC__))
/* Use setjmp based hack to mark from callee-save registers. */
/* The define should move to the individual platform */
# else
# if defined(AMIGA) && defined(GC_AMIGA_FASTALLOC)
extern void *GC_amiga_get_mem(size_t size);
- define GET_MEM(bytes) HBLKPTR((size_t) \
+# define GET_MEM(bytes) HBLKPTR((size_t) \
GC_amiga_get_mem((size_t)bytes + GC_page_size) \
+ GC_page_size-1)
# else
#endif /* GC_PRIVATE_H */
+#if defined(_AIX) && !defined(__GNUC__) && !defined(__STDC__)
+ /* IBMs xlc compiler doesn't appear to follow the convention of */
+ /* defining __STDC__ to be zero in extended mode. */
+# define __STDC__ 0
+#endif
+
# endif /* GCCONFIG_H */
projects / mono.git / blobdiff