diff options
Diffstat (limited to 'include/private/gcconfig.h')
| -rw-r--r-- | include/private/gcconfig.h | 92 |
1 files changed, 85 insertions, 7 deletions
diff --git a/include/private/gcconfig.h b/include/private/gcconfig.h index ccba470e..5f897a43 100644 --- a/include/private/gcconfig.h +++ b/include/private/gcconfig.h @@ -55,7 +55,8 @@ # endif /* And one for FreeBSD: */ -# if defined(__FreeBSD__) && !defined(FREEBSD) +# if (defined(__FreeBSD__) || defined(__DragonFly__) || \ + defined(__FreeBSD_kernel__)) && !defined(FREEBSD) # define FREEBSD # endif @@ -153,6 +154,11 @@ # define SUNOS5 # define mach_type_known # endif +# if defined(sun) && defined(__amd64) +# define X86_64 +# define SOLARIS +# define mach_type_known +# endif # if (defined(__OS2__) || defined(__EMX__)) && defined(__32BIT__) # define I386 # define OS2 @@ -174,7 +180,8 @@ # define mach_type_known # endif # if defined(sparc) && defined(unix) && !defined(sun) && !defined(linux) \ - && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__FreeBSD__) + && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__FreeBSD__) \ + && !defined(__DragonFly__) # define SPARC # define DRSNX # define mach_type_known @@ -1249,8 +1256,15 @@ # 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 @@ -1993,6 +2007,28 @@ # 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 +# 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__ @@ -2002,6 +2038,47 @@ extern char etext[]; # define SEARCH_FOR_DATA_START # endif +# ifdef SOLARIS +# define OS_TYPE "SOLARIS" +# define ELF_CLASS ELFCLASS64 + extern int _etext[], _end[]; + extern ptr_t GC_SysVGetDataStart(size_t, ptr_t); +# define DATASTART GC_SysVGetDataStart(0x1000, (ptr_t)_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. */ +/* Apparently USRSTACK is defined to be USERLIMIT, but in some */ +/* installations that's undefined. We work around this with a */ +/* gross hack: */ +# include <sys/vmparam.h> +# ifdef USERLIMIT + /* This should work everywhere, but doesn't. */ +# define STACKBOTTOM USRSTACK +# else +# define HEURISTIC2 +# endif +/* 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 +# 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) @@ -2064,7 +2141,8 @@ # define SUNOS5SIGS # endif -# if defined(FREEBSD) && (__FreeBSD__ >= 4) +# if defined(FREEBSD) && \ + (defined(__DragonFly__) || __FreeBSD__ >= 4 || (__FreeBSD_kernel__ >= 4)) # define SUNOS5SIGS # endif @@ -2132,7 +2210,7 @@ # 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 */ @@ -2216,7 +2294,7 @@ #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 |