diff options
Diffstat (limited to 'gc/include/private/gcconfig.h')
| -rw-r--r-- | gc/include/private/gcconfig.h | 231 |
1 files changed, 160 insertions, 71 deletions
diff --git a/gc/include/private/gcconfig.h b/gc/include/private/gcconfig.h index a0d12c8..86020fc 100644 --- a/gc/include/private/gcconfig.h +++ b/gc/include/private/gcconfig.h @@ -33,6 +33,11 @@ # define NETBSD # endif +/* And one for OpenBSD: */ +# if defined(__OpenBSD__) +# define OPENBSD +# endif + /* Determine the machine type: */ # if defined(sun) && defined(mc68000) # define M68K @@ -44,25 +49,23 @@ # define HP # define mach_type_known # endif -# if defined(__OpenBSD__) && defined(m68k) +# if defined(OPENBSD) && defined(m68k) # define M68K -# define OPENBSD # define mach_type_known # endif -# if defined(__OpenBSD__) && defined(__sparc__) +# if defined(OPENBSD) && defined(__sparc__) # define SPARC -# define OPENBSD # define mach_type_known # endif -# if defined(__NetBSD__) && defined(m68k) +# if defined(NETBSD) && defined(m68k) # define M68K # define mach_type_known # endif -# if defined(__NetBSD__) && defined(__powerpc__) +# if defined(NETBSD) && defined(__powerpc__) # define POWERPC # define mach_type_known # endif -# if defined(__NetBSD__) && defined(__arm32__) +# if defined(NETBSD) && defined(__arm32__) # define ARM32 # define mach_type_known # endif @@ -75,9 +78,12 @@ # endif # define mach_type_known # endif -# if defined(mips) || defined(__mips) +# if defined(mips) || defined(__mips) || defined(_mips) # define MIPS -# if !defined(LINUX) +# if defined(nec_ews) || defined(_nec_ews) +# define EWS4800 +# endif +# if !defined(LINUX) && !defined(EWS4800) # if defined(ultrix) || defined(__ultrix) || defined(__NetBSD__) # define ULTRIX # else @@ -161,6 +167,11 @@ # endif # define mach_type_known # endif +# if defined(__ia64) && defined(_HPUX_SOURCE) +# define IA64 +# define HPUX +# define mach_type_known +# endif # if defined(__BEOS__) && defined(_X86_) # define I386 # define BEOS @@ -196,7 +207,7 @@ # endif # if defined(__alpha) || defined(__alpha__) # define ALPHA -# if !defined(LINUX) && !defined(NETBSD) +# if !defined(LINUX) && !defined(NETBSD) && !defined(OPENBSD) # define OSF1 /* a.k.a Digital Unix */ # endif # define mach_type_known @@ -386,7 +397,7 @@ /* RS6000 ==> IBM RS/6000 AIX3.X */ /* RT ==> IBM PC/RT */ /* HP_PA ==> HP9000/700 & /800 */ - /* HP/UX, LINUX */ + /* HP/UX, LINUX */ /* SPARC ==> SPARC v7/v8/v9 */ /* (SUNOS4, SUNOS5, LINUX, */ /* DRSNX variants) */ @@ -398,8 +409,11 @@ /* running Amdahl UTS4 */ /* or a 390 running LINUX */ /* ARM32 ==> Intel StrongARM */ - /* IA64 ==> Intel IA64 */ + /* IA64 ==> Intel IPF */ /* (e.g. Itanium) */ + /* (LINUX and HPUX) */ + /* IA64_32 ==> IA64 w/32 bit ABI */ + /* (HPUX) */ /* SH ==> Hitachi SuperH */ /* (LINUX & MSWINCE) */ @@ -533,7 +547,7 @@ # ifdef LINUX # define OS_TYPE "LINUX" # define STACKBOTTOM ((ptr_t)0xf0000000) -# define MPROTECT_VDB +/* # define MPROTECT_VDB - Reported to not work 9/17/01 */ # ifdef __ELF__ # define DYNAMIC_LOADING # include <features.h> @@ -715,8 +729,12 @@ extern char * GC_SysVGetDataStart(); # define DATASTART (ptr_t)GC_SysVGetDataStart(0x10000, &_etext) # define DATAEND (&_end) -# ifndef USE_MMAP +# 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 @@ -838,21 +856,29 @@ # endif # ifdef SUNOS5 # define OS_TYPE "SUNOS5" - extern int etext, _start; + extern int _etext, _end; extern char * GC_SysVGetDataStart(); -# define DATASTART GC_SysVGetDataStart(0x1000, &etext) +# 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/vmparam.h> +# include <sys/vm.h> # define STACKBOTTOM USRSTACK -/** At least in Solaris 2.5, PROC_VDB gives wrong values for dirty bits. */ -/*# define PROC_VDB*/ +/* 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 +# endif # define DYNAMIC_LOADING -# ifndef USE_MMAP +# 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 @@ -888,7 +914,7 @@ /* with 2GB physical memory will usually move the user */ /* address space limit, and hence initial SP to 0x80000000. */ # endif -# if !defined(LINUX_THREADS) || !defined(REDIRECT_MALLOC) +# if !defined(GC_LINUX_THREADS) || !defined(REDIRECT_MALLOC) # define MPROTECT_VDB # else /* We seem to get random errors in incremental mode, */ @@ -1003,8 +1029,17 @@ # endif # ifdef FREEBSD # define OS_TYPE "FREEBSD" -# define MPROTECT_VDB +# 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; +# define DATASTART ((ptr_t)(&etext)) # endif # ifdef NETBSD # define OS_TYPE "NETBSD" @@ -1015,7 +1050,7 @@ # ifdef BSDI # define OS_TYPE "BSDI" # endif -# if defined(OPENBSD) || defined(NETBSD) || defined(FREEBSD) \ +# if defined(OPENBSD) || defined(NETBSD) \ || defined(THREE86BSD) || defined(BSDI) # define HEURISTIC2 extern char etext; @@ -1083,6 +1118,29 @@ /* instead. But some kernel versions seem to give the wrong */ /* value from /proc. */ # endif /* Linux */ +# ifdef EWS4800 +# define HEURISTIC2 +# if defined(_MIPS_SZPTR) && (_MIPS_SZPTR == 64) + extern int _fdata[], _end[]; +# define DATASTART ((ptr_t)_fdata) +# define DATAEND ((ptr_t)_end) +# define CPP_WORDSZ _MIPS_SZPTR +# define ALIGNMENT (_MIPS_SZPTR/8) +# else + extern int etext, edata, end; + extern int _DYNAMIC_LINKING, _gp; +# define DATASTART ((ptr_t)((((word)&etext + 0x3ffff) & ~0x3ffff) \ + + ((word)&etext & 0xffff))) +# define DATAEND (&edata) +# define DATASTART2 (&_DYNAMIC_LINKING \ + ? (ptr_t)(((word)&_gp + 0x8000 + 0x3ffff) & ~0x3ffff) \ + : (ptr_t)&edata) +# define DATAEND2 (&end) +# define ALIGNMENT 4 +# endif +# define OS_TYPE "EWS4800" +# define USE_GENERIC_PUSH_REGS 1 +# endif # ifdef ULTRIX # define HEURISTIC2 # define DATASTART (ptr_t)0x10000000 @@ -1161,7 +1219,6 @@ # ifdef HP_PA # define MACH_TYPE "HP_PA" -# define OS_TYPE "HPUX" # ifdef __LP64__ # define CPP_WORDSZ 64 # define ALIGNMENT 8 @@ -1170,8 +1227,7 @@ # define ALIGNMENT 4 # define ALIGN_DOUBLE # endif -# if !defined(GC_HPUX_THREADS) && !defined(HPUX_THREADS) \ - && !defined(GC_LINUX_THREADS) && !defined(LINUX_THREADS) +# if !defined(GC_HPUX_THREADS) && !defined(GC_LINUX_THREADS) # ifndef LINUX /* For now. */ # define MPROTECT_VDB # endif @@ -1186,6 +1242,7 @@ # endif # define STACK_GROWS_UP # ifdef HPUX +# define OS_TYPE "HPUX" extern int __data_start; # define DATASTART ((ptr_t)(&__data_start)) # if 0 @@ -1242,6 +1299,19 @@ # define CPP_WORDSZ 64 # define DYNAMIC_LOADING # endif +# ifdef OPENBSD +# define OS_TYPE "OPENBSD" +# define HEURISTIC2 +# define CPP_WORDSZ 64 +# ifdef __ELF__ /* since OpenBSD/Alpha 2.9 */ +# define DATASTART GC_data_start +# define ELFCLASS32 32 +# define ELFCLASS64 64 +# define ELF_CLASS ELFCLASS64 +# else /* ECOFF, until OpenBSD/Alpha 2.7 */ +# define DATASTART ((ptr_t) 0x140000000) +# endif +# endif # ifdef OSF1 # define OS_TYPE "OSF1" # define DATASTART ((ptr_t) 0x140000000) @@ -1284,9 +1354,6 @@ # ifdef IA64 # define MACH_TYPE "IA64" -# define ALIGN_DOUBLE - /* Requires 16 byte alignment for malloc */ -# define ALIGNMENT 8 # define USE_GENERIC_PUSH_REGS /* We need to get preserved registers in addition to register */ /* windows. That's easiest to do with setjmp. */ @@ -1296,11 +1363,47 @@ /* setting mark bits. */ # endif # ifdef HPUX - --> needs work +# ifdef _ILP32 +# define CPP_WORDSZ 32 +# define ALIGN_DOUBLE + /* Requires 8 byte alignment for malloc */ +# define ALIGNMENT 4 +# else +# ifndef _LP64 + ---> unknown ABI +# endif +# define CPP_WORDSZ 64 +# define ALIGN_DOUBLE + /* Requires 16 byte alignment for malloc */ +# define ALIGNMENT 8 +# endif +# define OS_TYPE "HPUX" + extern int __data_start; +# define DATASTART ((ptr_t)(&__data_start)) + /* Gustavo Rodriguez-Rivera suggested changing HEURISTIC2 */ + /* to this. Note that the GC must be initialized before the */ + /* first putenv call. */ + extern char ** environ; +# define STACKBOTTOM ((ptr_t)environ) +# define DYNAMIC_LOADING +# include <unistd.h> +# define GETPAGESIZE() sysconf(_SC_PAGE_SIZE) + /* The following was empirically determined, and is probably */ + /* not very robust. */ + /* Note that the backing store base seems to be at a nice */ + /* address minus one page. */ +# define BACKING_STORE_DISPLACEMENT 0x1000000 +# define BACKING_STORE_ALIGNMENT 0x1000 +# define BACKING_STORE_BASE \ + (ptr_t)(((word)GC_stackbottom - BACKING_STORE_DISPLACEMENT - 1) \ + & ~(BACKING_STORE_ALIGNMENT - 1)) # endif # ifdef LINUX +# define CPP_WORDSZ 64 +# define ALIGN_DOUBLE + /* Requires 16 byte alignment for malloc */ +# define ALIGNMENT 8 # define OS_TYPE "LINUX" -# define CPP_WORDSZ 64 /* The following works on NUE and older kernels: */ /* # define STACKBOTTOM ((ptr_t) 0xa000000000000000l) */ /* This does not work on NUE: */ @@ -1315,7 +1418,13 @@ # define BACKING_STORE_BASE ((ptr_t)GC_register_stackbottom) # define SEARCH_FOR_DATA_START # define DATASTART GC_data_start -# define DYNAMIC_LOADING +# ifdef __GNUC__ +# define DYNAMIC_LOADING +# else + /* In the Intel compiler environment, we seem to end up with */ + /* statically linked executables and an undefined reference */ + /* to _DYNAMIC */ +# endif # define MPROTECT_VDB /* Requires Linux 2.3.47 or later. */ extern int _end; @@ -1581,57 +1690,33 @@ ((word*)x)[1] = 0; # endif /* CLEAR_DOUBLE */ -/* Internally to the collector we test only the XXX_THREADS macros */ -/* not the GC_XXX_THREADS versions. Here we make sure the latter */ -/* are treated as equivalent. */ -#if defined(GC_SOLARIS_THREADS) && !defined(_SOLARIS_THREADS) -# define _SOLARIS_THREADS -#endif -#if defined(GC_SOLARIS_THREADS) && !defined(_SOLARIS_PTHREADS) -# define _SOLARIS_PTHREADS -#endif -#if defined(GC_IRIX_THREADS) && !defined(IRIX_THREADS) -# define IRIX_THREADS -#endif -#if defined(GC_LINUX_THREADS) && !defined(LINUX_THREADS) -# define LINUX_THREADS -#endif -#if defined(GC_WIN32_THREADS) && !defined(WIN32_THREADS) -# define WIN32_THREADS -#endif -#if defined(GC_HPUX_THREADS) && !defined(HPUX_THREADS) -# define HPUX_THREADS -#endif -#if defined(GC_OSF1_THREADS) && !defined(OSF1_THREADS) -# define OSF1_THREADS -#endif - -/* Internally we use SOLARIS_THREADS to test for either old or pthreads. */ -# if defined(_SOLARIS_PTHREADS) && !defined(SOLARIS_THREADS) -# define SOLARIS_THREADS +/* 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(IRIX_THREADS) && !defined(IRIX5) + +# if defined(GC_IRIX_THREADS) && !defined(IRIX5) --> inconsistent configuration # endif -# if defined(LINUX_THREADS) && !defined(LINUX) +# if defined(GC_LINUX_THREADS) && !defined(LINUX) --> inconsistent configuration # endif -# if defined(SOLARIS_THREADS) && !defined(SUNOS5) +# if defined(GC_SOLARIS_THREADS) && !defined(SUNOS5) --> inconsistent configuration # endif -# if defined(HPUX_THREADS) && !defined(HPUX) +# if defined(GC_HPUX_THREADS) && !defined(HPUX) --> inconsistent configuration # endif -# if defined(WIN32_THREADS) && !defined(MSWIN32) - /* Ideally CYGWIN32 should work, in addition to MSWIN32. I suspect the necessary code */ - /* is mostly there, but nobody has actually made sure the right combination of pieces is */ - /* compiled in, etc. */ +# if defined(GC_WIN32_THREADS) && !defined(MSWIN32) + /* Ideally CYGWIN32 should work, in addition to MSWIN32. I suspect */ + /* the necessary code is mostly there, but nobody has actually made */ + /* sure the right combination of pieces is compiled in, etc. */ --> inconsistent configuration # endif + # if defined(PCR) || defined(SRC_M3) || \ - defined(SOLARIS_THREADS) || defined(WIN32_THREADS) || \ - defined(IRIX_THREADS) || defined(LINUX_THREADS) || \ - defined(HPUX_THREADS) || defined(OSF1_THREADS) + defined(GC_SOLARIS_THREADS) || defined(GC_WIN32_THREADS) || \ + defined(GC_PTHREADS) # define THREADS # endif @@ -1656,4 +1741,8 @@ /* include assembly code to do it well. */ # endif +# if defined(MAKE_BACK_GRAPH) && !defined(DBG_HDRS_ALL) +# define DBG_HDRS_ALL +# endif + # endif /* GCCONFIG_H */ |