mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-16 03:39:55 +08:00
This commit was generated by cvs2svn to compensate for changes in r30327,
which included commits to RCS files with non-trunk default branches. From-SVN: r30328
This commit is contained in:
Tom Tromey
parent
fd6a6309db
commit
85f29b3bb5
@ -41,7 +41,7 @@
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* This interface is fairly big, largely for performance reasons.
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* The most basic constants and functions:
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*
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* CORD - the type fo a cord;
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* CORD - the type of a cord;
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* CORD_EMPTY - empty cord;
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* CORD_len(cord) - length of a cord;
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* CORD_cat(cord1,cord2) - concatenation of two cords;
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@ -582,7 +582,7 @@ CORD CORD_from_file_lazy_inner(FILE * f, size_t len)
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state -> lf_cache[i] = 0;
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}
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state -> lf_current = 0;
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GC_register_finalizer(state, CORD_lf_close_proc, 0, 0, 0);
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GC_REGISTER_FINALIZER(state, CORD_lf_close_proc, 0, 0, 0);
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return(CORD_from_fn(CORD_lf_func, state, len));
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}
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@ -58,9 +58,11 @@
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# if defined(__STDC__) || defined(__cplusplus)
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# define GC_PROTO(args) args
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typedef void * GC_PTR;
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# define GC_CONST const
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# else
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# define GC_PROTO(args) ()
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typedef char * GC_PTR;
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# define GC_CONST
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# endif
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# ifdef __cplusplus
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@ -96,11 +98,31 @@ GC_API GC_PTR (*GC_oom_fn) GC_PROTO((size_t bytes_requested));
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/* pointer to a previously allocated heap */
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/* object. */
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GC_API int GC_find_leak;
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/* Do not actually garbage collect, but simply */
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/* report inaccessible memory that was not */
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/* deallocated with GC_free. Initial value */
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/* is determined by FIND_LEAK macro. */
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GC_API int GC_quiet; /* Disable statistics output. Only matters if */
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/* collector has been compiled with statistics */
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/* enabled. This involves a performance cost, */
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/* and is thus not the default. */
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GC_API int GC_finalize_on_demand;
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/* If nonzero, finalizers will only be run in */
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/* response to an eplit GC_invoke_finalizers */
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/* call. The default is determined by whether */
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/* the FINALIZE_ON_DEMAND macro is defined */
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/* when the collector is built. */
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GC_API int GC_java_finalization;
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/* Mark objects reachable from finalizable */
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/* objects in a separate postpass. This makes */
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/* it a bit safer to use non-topologically- */
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/* ordered finalization. Default value is */
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/* determined by JAVA_FINALIZATION macro. */
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GC_API int GC_dont_gc; /* Dont collect unless explicitly requested, e.g. */
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/* because it's not safe. */
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@ -111,6 +133,12 @@ GC_API int GC_dont_expand;
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GC_API int GC_full_freq; /* Number of partial collections between */
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/* full collections. Matters only if */
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/* GC_incremental is set. */
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/* Full collections are also triggered if */
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/* the collector detects a substantial */
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/* increase in the number of in-use heap */
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/* blocks. Values in the tens are now */
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/* perfectly reasonable, unlike for */
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/* earlier GC versions. */
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GC_API GC_word GC_non_gc_bytes;
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/* Bytes not considered candidates for collection. */
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@ -277,6 +305,9 @@ GC_API int GC_try_to_collect GC_PROTO((GC_stop_func stop_func));
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/* Includes some pages that were allocated but never written. */
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GC_API size_t GC_get_heap_size GC_PROTO((void));
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/* Return a lower bound on the number of free bytes in the heap. */
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GC_API size_t GC_get_free_bytes GC_PROTO((void));
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/* Return the number of bytes allocated since the last collection. */
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GC_API size_t GC_get_bytes_since_gc GC_PROTO((void));
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@ -321,10 +352,11 @@ GC_API GC_PTR GC_malloc_atomic_ignore_off_page GC_PROTO((size_t lb));
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#ifdef GC_ADD_CALLER
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# define GC_EXTRAS GC_RETURN_ADDR, __FILE__, __LINE__
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# define GC_EXTRA_PARAMS GC_word ra, char * descr_string, int descr_int
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# define GC_EXTRA_PARAMS GC_word ra, GC_CONST char * descr_string,
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int descr_int
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#else
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# define GC_EXTRAS __FILE__, __LINE__
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# define GC_EXTRA_PARAMS char * descr_string, int descr_int
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# define GC_EXTRA_PARAMS GC_CONST char * descr_string, int descr_int
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#endif
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/* Debugging (annotated) allocation. GC_gcollect will check */
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@ -510,7 +542,7 @@ GC_API int GC_invoke_finalizers GC_PROTO((void));
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/* be finalized. Return the number of finalizers */
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/* that were run. Normally this is also called */
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/* implicitly during some allocations. If */
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/* FINALIZE_ON_DEMAND is defined, it must be called */
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/* GC-finalize_on_demand is nonzero, it must be called */
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/* explicitly. */
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/* GC_set_warn_proc can be used to redirect or filter warning messages. */
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@ -668,7 +700,7 @@ GC_API void (*GC_is_visible_print_proc)
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# endif /* SOLARIS_THREADS */
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#if defined(IRIX_THREADS) || defined(LINUX_THREADS)
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#if defined(IRIX_THREADS) || defined(LINUX_THREADS) || defined(HPUX_THREADS)
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/* We treat these similarly. */
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# include <pthread.h>
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# include <signal.h>
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@ -687,11 +719,12 @@ GC_API void (*GC_is_visible_print_proc)
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# if defined(PCR) || defined(SOLARIS_THREADS) || defined(WIN32_THREADS) || \
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defined(IRIX_THREADS) || defined(LINUX_THREADS) || \
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defined(IRIX_JDK_THREADS)
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defined(IRIX_JDK_THREADS) || defined(HPUX_THREADS)
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/* Any flavor of threads except SRC_M3. */
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/* This returns a list of objects, linked through their first */
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/* word. Its use can greatly reduce lock contention problems, since */
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/* the allocation lock can be acquired and released many fewer times. */
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/* lb must be large enough to hold the pointer field. */
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GC_PTR GC_malloc_many(size_t lb);
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#define GC_NEXT(p) (*(GC_PTR *)(p)) /* Retrieve the next element */
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/* in returned list. */
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@ -43,11 +43,21 @@
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# define OPENBSD
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# define mach_type_known
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# endif
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# if defined(__OpenBSD__) && defined(__sparc__)
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# define SPARC
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# define OPENBSD
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# define mach_type_known
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# endif
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# if defined(__NetBSD__) && defined(m68k)
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# define M68K
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# define NETBSD
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# define mach_type_known
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# endif
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# if defined(__NetBSD__) && defined(arm32)
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# define ARM32
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# define NETBSD
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# define mach_type_known
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# endif
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# if defined(vax)
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# define VAX
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# ifdef ultrix
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@ -100,7 +110,8 @@
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# endif
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# define mach_type_known
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# endif
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# if defined(sparc) && defined(unix) && !defined(sun) && !defined(linux)
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# if defined(sparc) && defined(unix) && !defined(sun) && !defined(linux) \
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&& !defined(__OpenBSD__)
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# define SPARC
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# define DRSNX
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# define mach_type_known
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@ -124,15 +135,22 @@
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# define SYSV
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# define mach_type_known
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# endif
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# if defined(_PA_RISC1_0) || defined(_PA_RISC1_1) \
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# if defined(_PA_RISC1_0) || defined(_PA_RISC1_1) || defined(_PA_RISC2_0) \
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|| defined(hppa) || defined(__hppa__)
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# define HP_PA
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# ifndef LINUX
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# define HPUX
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# endif
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# define mach_type_known
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# endif
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# if defined(LINUX) && defined(i386)
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# if defined(LINUX) && (defined(i386) || defined(__i386__))
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# define I386
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# define mach_type_known
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# endif
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# if defined(LINUX) && (defined(__ia64__) || defined(__ia64))
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# define IA64
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# define mach_type_known
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# endif
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# if defined(LINUX) && defined(powerpc)
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# define POWERPC
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# define mach_type_known
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@ -141,9 +159,8 @@
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# define M68K
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# define mach_type_known
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# endif
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# if defined(linux) && defined(sparc)
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# if defined(LINUX) && defined(sparc)
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# define SPARC
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# define LINUX
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# define mach_type_known
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# endif
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# if defined(__alpha) || defined(__alpha__)
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@ -153,9 +170,11 @@
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# endif
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# define mach_type_known
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# endif
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# if defined(_AMIGA)
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# define M68K
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# if defined(_AMIGA) && !defined(AMIGA)
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# define AMIGA
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# endif
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# ifdef AMIGA
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# define M68K
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# define mach_type_known
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# endif
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# if defined(THINK_C) || defined(__MWERKS__) && !defined(__powerc)
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@ -168,6 +187,11 @@
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# define MACOS
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# define mach_type_known
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# endif
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# if defined(macosx)
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# define MACOSX
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# define POWERPC
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# define mach_type_known
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# endif
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# if defined(NeXT) && defined(mc68000)
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# define M68K
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# define NEXT
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@ -241,6 +265,10 @@
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# define UTS4
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# define mach_type_known
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# endif
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# if defined(__pj__)
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# define PJ
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# define mach_type_known
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# endif
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/* Ivan Demakov */
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# if defined(__WATCOMC__) && defined(__386__)
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# define I386
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@ -486,8 +514,8 @@
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# ifdef POWERPC
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# define MACH_TYPE "POWERPC"
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# define ALIGNMENT 2
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# ifdef MACOS
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# define ALIGNMENT 2 /* Still necessary? Could it be 4? */
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# ifndef __LOWMEM__
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# include <LowMem.h>
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# endif
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@ -497,14 +525,29 @@
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# define DATAEND /* not needed */
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# endif
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# ifdef LINUX
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# define ALIGNMENT 4 /* Guess. Can someone verify? */
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/* This was 2, but that didn't sound right. */
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# define OS_TYPE "LINUX"
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# define HEURISTIC1
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# undef STACK_GRAN
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# define STACK_GRAN 0x10000000
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/* Stack usually starts at 0x80000000 */
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# define DATASTART GC_data_start
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/* Others have reported better success with */
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/* extern int __data_start; */
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/*# define DATASTART (&__data_start) */
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/* and disabling the GC_data_start */
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/* initialization code. */
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extern int _end;
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# define DATAEND (&_end)
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# endif
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# ifdef MACOSX
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# define ALIGNMENT 4
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# define OS_TYPE "MACOSX"
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# define DATASTART ((ptr_t) get_etext())
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# define STACKBOTTOM ((ptr_t) 0xc0000000)
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# define DATAEND /* not needed */
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# endif
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# endif
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# ifdef VAX
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@ -603,6 +646,11 @@
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# define SVR4
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# define STACKBOTTOM ((ptr_t) 0xf0000000)
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# endif
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# ifdef OPENBSD
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# define OS_TYPE "OPENBSD"
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# define STACKBOTTOM ((ptr_t) 0xf8000000)
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# define DATASTART ((ptr_t)(&etext))
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# endif
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# endif
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# ifdef I386
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@ -657,10 +705,13 @@
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# endif
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# ifdef LINUX
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# define OS_TYPE "LINUX"
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# define STACKBOTTOM ((ptr_t)0xc0000000)
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/* Appears to be 0xe0000000 for at least one 2.1.91 kernel. */
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/* Probably needs to be more flexible, but I don't yet */
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/* fully understand how flexible. */
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# define HEURISTIC1
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# undef STACK_GRAN
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# define STACK_GRAN 0x10000000
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/* STACKBOTTOM is usually 0xc0000000, but this changes with */
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/* different kernel configurations. In particular, systems */
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/* with 2GB physical memory will usually move the user */
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/* address space limit, and hence initial SP to 0x80000000. */
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# if !defined(LINUX_THREADS) || !defined(REDIRECT_MALLOC)
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# define MPROTECT_VDB
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# else
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@ -862,9 +913,17 @@
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# endif
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|
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# ifdef HP_PA
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/* OS is assumed to be HP/UX */
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# define MACH_TYPE "HP_PA"
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# define ALIGNMENT 4
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# define ALIGN_DOUBLE
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# define OS_TYPE "HPUX"
|
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# ifdef __LP64__
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# define CPP_WORDSZ 64
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# define ALIGNMENT 8
|
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# else
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# define CPP_WORDSZ 32
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# define ALIGNMENT 4
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# define ALIGN_DOUBLE
|
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# endif
|
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extern int __data_start;
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# define DATASTART ((ptr_t)(&__data_start))
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# if 0
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@ -881,6 +940,9 @@
|
||||
# endif
|
||||
# define STACK_GROWS_UP
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# define DYNAMIC_LOADING
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# ifndef HPUX_THREADS
|
||||
# define MPROTECT_VDB
|
||||
# endif
|
||||
# include <unistd.h>
|
||||
# define GETPAGESIZE() sysconf(_SC_PAGE_SIZE)
|
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/* They misspelled the Posix macro? */
|
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@ -909,9 +971,13 @@
|
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# define CPP_WORDSZ 64
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# define STACKBOTTOM ((ptr_t) 0x120000000)
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# ifdef __ELF__
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# if 0
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/* __data_start apparently disappeared in some recent releases. */
|
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extern int __data_start;
|
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# define DATASTART &__data_start
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# define DYNAMIC_LOADING
|
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# endif
|
||||
# define DATASTART GC_data_start
|
||||
# define DYNAMIC_LOADING
|
||||
# else
|
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# define DATASTART ((ptr_t) 0x140000000)
|
||||
# endif
|
||||
@ -923,6 +989,31 @@
|
||||
# endif
|
||||
# endif
|
||||
|
||||
# ifdef IA64
|
||||
# define MACH_TYPE "IA64"
|
||||
# define ALIGN_DOUBLE
|
||||
/* Requires 16 byte alignment for malloc */
|
||||
# define ALIGNMENT 8
|
||||
# ifdef HPUX
|
||||
--> needs work
|
||||
# endif
|
||||
# ifdef LINUX
|
||||
# define OS_TYPE "LINUX"
|
||||
# define CPP_WORDSZ 64
|
||||
/* This should really be done through /proc, but that */
|
||||
/* requires we run on an IA64 kernel. */
|
||||
# define STACKBOTTOM ((ptr_t) 0xa000000000000000l)
|
||||
/* We also need the base address of the register stack */
|
||||
/* backing store. There is probably a better way to */
|
||||
/* get that, too ... */
|
||||
# define BACKING_STORE_BASE ((ptr_t) 0x9fffffff80000000l)
|
||||
# define DATASTART GC_data_start
|
||||
# define DYNAMIC_LOADING
|
||||
extern int _end;
|
||||
# define DATAEND (&_end)
|
||||
# endif
|
||||
# endif
|
||||
|
||||
# ifdef M88K
|
||||
# define MACH_TYPE "M88K"
|
||||
# define ALIGNMENT 4
|
||||
@ -953,6 +1044,26 @@
|
||||
# define HEURISTIC2
|
||||
# endif
|
||||
|
||||
# if defined(PJ)
|
||||
# define ALIGNMENT 4
|
||||
extern int _etext;
|
||||
# define DATASTART ((ptr_t)(&_etext))
|
||||
# define HEURISTIC1
|
||||
# endif
|
||||
|
||||
# ifdef ARM32
|
||||
# define CPP_WORDSZ 32
|
||||
# define MACH_TYPE "ARM32"
|
||||
# define ALIGNMENT 4
|
||||
# ifdef NETBSD
|
||||
# define OS_TYPE "NETBSD"
|
||||
# define HEURISTIC2
|
||||
extern char etext;
|
||||
# define DATASTART ((ptr_t)(&etext))
|
||||
# define USE_GENERIC_PUSH_REGS
|
||||
# endif
|
||||
#endif
|
||||
|
||||
# ifndef STACK_GROWS_UP
|
||||
# define STACK_GROWS_DOWN
|
||||
# endif
|
||||
@ -995,6 +1106,10 @@
|
||||
# define SUNOS5SIGS
|
||||
# endif
|
||||
|
||||
# if defined(HPUX)
|
||||
# define SUNOS5SIGS
|
||||
# endif
|
||||
|
||||
# if CPP_WORDSZ != 32 && CPP_WORDSZ != 64
|
||||
-> bad word size
|
||||
# endif
|
||||
@ -1021,6 +1136,10 @@
|
||||
# undef MPROTECT_VDB
|
||||
# endif
|
||||
|
||||
# ifdef USE_MUNMAP
|
||||
# undef MPROTECT_VDB /* Can't deal with address space holes. */
|
||||
# endif
|
||||
|
||||
# if !defined(PCR_VDB) && !defined(PROC_VDB) && !defined(MPROTECT_VDB)
|
||||
# define DEFAULT_VDB
|
||||
# endif
|
||||
@ -1040,10 +1159,13 @@
|
||||
# if defined(SOLARIS_THREADS) && !defined(SUNOS5)
|
||||
--> inconsistent configuration
|
||||
# endif
|
||||
# if defined(HPUX_THREADS) && !defined(HPUX)
|
||||
--> inconsistent configuration
|
||||
# endif
|
||||
# if defined(PCR) || defined(SRC_M3) || \
|
||||
defined(SOLARIS_THREADS) || defined(WIN32_THREADS) || \
|
||||
defined(IRIX_THREADS) || defined(LINUX_THREADS) || \
|
||||
defined(IRIX_JDK_THREADS)
|
||||
defined(IRIX_JDK_THREADS) || defined(HPUX_THREADS)
|
||||
# define THREADS
|
||||
# endif
|
||||
|
||||
|
||||
@ -58,9 +58,11 @@
|
||||
# if defined(__STDC__) || defined(__cplusplus)
|
||||
# define GC_PROTO(args) args
|
||||
typedef void * GC_PTR;
|
||||
# define GC_CONST const
|
||||
# else
|
||||
# define GC_PROTO(args) ()
|
||||
typedef char * GC_PTR;
|
||||
# define GC_CONST
|
||||
# endif
|
||||
|
||||
# ifdef __cplusplus
|
||||
@ -96,11 +98,31 @@ GC_API GC_PTR (*GC_oom_fn) GC_PROTO((size_t bytes_requested));
|
||||
/* pointer to a previously allocated heap */
|
||||
/* object. */
|
||||
|
||||
GC_API int GC_find_leak;
|
||||
/* Do not actually garbage collect, but simply */
|
||||
/* report inaccessible memory that was not */
|
||||
/* deallocated with GC_free. Initial value */
|
||||
/* is determined by FIND_LEAK macro. */
|
||||
|
||||
GC_API int GC_quiet; /* Disable statistics output. Only matters if */
|
||||
/* collector has been compiled with statistics */
|
||||
/* enabled. This involves a performance cost, */
|
||||
/* and is thus not the default. */
|
||||
|
||||
GC_API int GC_finalize_on_demand;
|
||||
/* If nonzero, finalizers will only be run in */
|
||||
/* response to an eplit GC_invoke_finalizers */
|
||||
/* call. The default is determined by whether */
|
||||
/* the FINALIZE_ON_DEMAND macro is defined */
|
||||
/* when the collector is built. */
|
||||
|
||||
GC_API int GC_java_finalization;
|
||||
/* Mark objects reachable from finalizable */
|
||||
/* objects in a separate postpass. This makes */
|
||||
/* it a bit safer to use non-topologically- */
|
||||
/* ordered finalization. Default value is */
|
||||
/* determined by JAVA_FINALIZATION macro. */
|
||||
|
||||
GC_API int GC_dont_gc; /* Dont collect unless explicitly requested, e.g. */
|
||||
/* because it's not safe. */
|
||||
|
||||
@ -111,6 +133,12 @@ GC_API int GC_dont_expand;
|
||||
GC_API int GC_full_freq; /* Number of partial collections between */
|
||||
/* full collections. Matters only if */
|
||||
/* GC_incremental is set. */
|
||||
/* Full collections are also triggered if */
|
||||
/* the collector detects a substantial */
|
||||
/* increase in the number of in-use heap */
|
||||
/* blocks. Values in the tens are now */
|
||||
/* perfectly reasonable, unlike for */
|
||||
/* earlier GC versions. */
|
||||
|
||||
GC_API GC_word GC_non_gc_bytes;
|
||||
/* Bytes not considered candidates for collection. */
|
||||
@ -277,6 +305,9 @@ GC_API int GC_try_to_collect GC_PROTO((GC_stop_func stop_func));
|
||||
/* Includes some pages that were allocated but never written. */
|
||||
GC_API size_t GC_get_heap_size GC_PROTO((void));
|
||||
|
||||
/* Return a lower bound on the number of free bytes in the heap. */
|
||||
GC_API size_t GC_get_free_bytes GC_PROTO((void));
|
||||
|
||||
/* Return the number of bytes allocated since the last collection. */
|
||||
GC_API size_t GC_get_bytes_since_gc GC_PROTO((void));
|
||||
|
||||
@ -321,10 +352,11 @@ GC_API GC_PTR GC_malloc_atomic_ignore_off_page GC_PROTO((size_t lb));
|
||||
|
||||
#ifdef GC_ADD_CALLER
|
||||
# define GC_EXTRAS GC_RETURN_ADDR, __FILE__, __LINE__
|
||||
# define GC_EXTRA_PARAMS GC_word ra, char * descr_string, int descr_int
|
||||
# define GC_EXTRA_PARAMS GC_word ra, GC_CONST char * descr_string,
|
||||
int descr_int
|
||||
#else
|
||||
# define GC_EXTRAS __FILE__, __LINE__
|
||||
# define GC_EXTRA_PARAMS char * descr_string, int descr_int
|
||||
# define GC_EXTRA_PARAMS GC_CONST char * descr_string, int descr_int
|
||||
#endif
|
||||
|
||||
/* Debugging (annotated) allocation. GC_gcollect will check */
|
||||
@ -510,7 +542,7 @@ GC_API int GC_invoke_finalizers GC_PROTO((void));
|
||||
/* be finalized. Return the number of finalizers */
|
||||
/* that were run. Normally this is also called */
|
||||
/* implicitly during some allocations. If */
|
||||
/* FINALIZE_ON_DEMAND is defined, it must be called */
|
||||
/* GC-finalize_on_demand is nonzero, it must be called */
|
||||
/* explicitly. */
|
||||
|
||||
/* GC_set_warn_proc can be used to redirect or filter warning messages. */
|
||||
@ -668,7 +700,7 @@ GC_API void (*GC_is_visible_print_proc)
|
||||
# endif /* SOLARIS_THREADS */
|
||||
|
||||
|
||||
#if defined(IRIX_THREADS) || defined(LINUX_THREADS)
|
||||
#if defined(IRIX_THREADS) || defined(LINUX_THREADS) || defined(HPUX_THREADS)
|
||||
/* We treat these similarly. */
|
||||
# include <pthread.h>
|
||||
# include <signal.h>
|
||||
@ -687,11 +719,12 @@ GC_API void (*GC_is_visible_print_proc)
|
||||
|
||||
# if defined(PCR) || defined(SOLARIS_THREADS) || defined(WIN32_THREADS) || \
|
||||
defined(IRIX_THREADS) || defined(LINUX_THREADS) || \
|
||||
defined(IRIX_JDK_THREADS)
|
||||
defined(IRIX_JDK_THREADS) || defined(HPUX_THREADS)
|
||||
/* Any flavor of threads except SRC_M3. */
|
||||
/* This returns a list of objects, linked through their first */
|
||||
/* word. Its use can greatly reduce lock contention problems, since */
|
||||
/* the allocation lock can be acquired and released many fewer times. */
|
||||
/* lb must be large enough to hold the pointer field. */
|
||||
GC_PTR GC_malloc_many(size_t lb);
|
||||
#define GC_NEXT(p) (*(GC_PTR *)(p)) /* Retrieve the next element */
|
||||
/* in returned list. */
|
||||
|
||||
@ -13,7 +13,7 @@
|
||||
|
||||
//
|
||||
// This is a C++ header file that is intended to replace the SGI STL
|
||||
// alloc.h.
|
||||
// alloc.h. This assumes SGI STL version < 3.0.
|
||||
//
|
||||
// This assumes the collector has been compiled with -DATOMIC_UNCOLLECTABLE
|
||||
// and -DALL_INTERIOR_POINTERS. We also recommend
|
||||
|
||||
@ -318,12 +318,10 @@ class traceable_alloc_template {
|
||||
|
||||
typedef traceable_alloc_template < 0 > traceable_alloc;
|
||||
|
||||
#ifdef _SGI_SOURCE
|
||||
|
||||
// We want to specialize simple_alloc so that it does the right thing
|
||||
// for all pointerfree types. At the moment there is no portable way to
|
||||
// even approximate that. The following approximation should work for
|
||||
// SGI compilers, and perhaps some others.
|
||||
// SGI compilers, and recent versions of g++.
|
||||
|
||||
# define __GC_SPECIALIZE(T,alloc) \
|
||||
class simple_alloc<T, alloc> { \
|
||||
@ -451,6 +449,4 @@ __STL_END_NAMESPACE
|
||||
|
||||
#endif /* __STL_USE_STD_ALLOCATORS */
|
||||
|
||||
#endif /* _SGI_SOURCE */
|
||||
|
||||
#endif /* GC_ALLOC_H */
|
||||
|
||||
@ -49,14 +49,16 @@ typedef struct bi {
|
||||
hdr * index[BOTTOM_SZ];
|
||||
/*
|
||||
* The bottom level index contains one of three kinds of values:
|
||||
* 0 means we're not responsible for this block.
|
||||
* 0 means we're not responsible for this block,
|
||||
* or this is a block other than the first one in a free block.
|
||||
* 1 < (long)X <= MAX_JUMP means the block starts at least
|
||||
* X * HBLKSIZE bytes before the current address.
|
||||
* A valid pointer points to a hdr structure. (The above can't be
|
||||
* valid pointers due to the GET_MEM return convention.)
|
||||
*/
|
||||
struct bi * asc_link; /* All indices are linked in */
|
||||
/* ascending order. */
|
||||
/* ascending order... */
|
||||
struct bi * desc_link; /* ... and in descending order. */
|
||||
word key; /* high order address bits. */
|
||||
# ifdef HASH_TL
|
||||
struct bi * hash_link; /* Hash chain link. */
|
||||
|
||||
@ -1,6 +1,9 @@
|
||||
/*
|
||||
* Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
|
||||
* Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved.
|
||||
* Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved.
|
||||
* Copyright (c) 1999 by Hewlett-Packard Company. All rights reserved.
|
||||
*
|
||||
*
|
||||
* THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
|
||||
* OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
|
||||
@ -64,16 +67,16 @@ typedef char * ptr_t; /* A generic pointer to which we can add */
|
||||
# include <stddef.h>
|
||||
# endif
|
||||
# define VOLATILE volatile
|
||||
# define CONST const
|
||||
#else
|
||||
# ifdef MSWIN32
|
||||
# include <stdlib.h>
|
||||
# endif
|
||||
# define VOLATILE
|
||||
# define CONST
|
||||
#endif
|
||||
|
||||
#ifdef AMIGA
|
||||
#define CONST GC_CONST
|
||||
|
||||
#if 0 /* was once defined for AMIGA */
|
||||
# define GC_FAR __far
|
||||
#else
|
||||
# define GC_FAR
|
||||
@ -350,7 +353,7 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
|
||||
+ GC_page_size) \
|
||||
+ GC_page_size-1)
|
||||
# else
|
||||
# if defined(AMIGA) || defined(NEXT) || defined(DOS4GW)
|
||||
# if defined(AMIGA) || defined(NEXT) || defined(MACOSX) || defined(DOS4GW)
|
||||
# define GET_MEM(bytes) HBLKPTR((size_t) \
|
||||
calloc(1, (size_t)bytes + GC_page_size) \
|
||||
+ GC_page_size-1)
|
||||
@ -436,7 +439,7 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
|
||||
# endif
|
||||
# ifdef LINUX_THREADS
|
||||
# include <pthread.h>
|
||||
# ifdef __i386__
|
||||
# if defined(I386)
|
||||
inline static int GC_test_and_set(volatile unsigned int *addr) {
|
||||
int oldval;
|
||||
/* Note: the "xchg" instruction does not need a "lock" prefix */
|
||||
@ -446,9 +449,57 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
|
||||
return oldval;
|
||||
}
|
||||
# else
|
||||
-- > Need implementation of GC_test_and_set()
|
||||
# if defined(POWERPC)
|
||||
inline static int GC_test_and_set(volatile unsigned int *addr) {
|
||||
int oldval;
|
||||
int temp = 1; // locked value
|
||||
|
||||
__asm__ __volatile__(
|
||||
"1:\tlwarx %0,0,%3\n" // load and reserve
|
||||
"\tcmpwi %0, 0\n" // if load is
|
||||
"\tbne 2f\n" // non-zero, return already set
|
||||
"\tstwcx. %2,0,%1\n" // else store conditional
|
||||
"\tbne- 1b\n" // retry if lost reservation
|
||||
"2:\t\n" // oldval is zero if we set
|
||||
: "=&r"(oldval), "=p"(addr)
|
||||
: "r"(temp), "1"(addr)
|
||||
: "memory");
|
||||
return (int)oldval;
|
||||
}
|
||||
# else
|
||||
# ifdef ALPHA
|
||||
inline static int GC_test_and_set(volatile unsigned int *
|
||||
addr)
|
||||
{
|
||||
unsigned long oldvalue;
|
||||
unsigned long temp;
|
||||
|
||||
__asm__ __volatile__(
|
||||
"1: ldl_l %0,%1\n"
|
||||
" and %0,%3,%2\n"
|
||||
" bne %2,2f\n"
|
||||
" xor %0,%3,%0\n"
|
||||
" stl_c %0,%1\n"
|
||||
" beq %0,3f\n"
|
||||
" mb\n"
|
||||
"2:\n"
|
||||
".section .text2,\"ax\"\n"
|
||||
"3: br 1b\n"
|
||||
".previous"
|
||||
:"=&r" (temp), "=m" (*addr), "=&r"
|
||||
(oldvalue)
|
||||
:"Ir" (1), "m" (*addr));
|
||||
|
||||
return oldvalue;
|
||||
}
|
||||
# else
|
||||
-- > Need implementation of GC_test_and_set()
|
||||
# endif
|
||||
# endif
|
||||
# endif
|
||||
# define GC_clear(addr) (*(addr) = 0)
|
||||
inline static void GC_clear(volatile unsigned int *addr) {
|
||||
*(addr) = 0;
|
||||
}
|
||||
|
||||
extern volatile unsigned int GC_allocate_lock;
|
||||
/* This is not a mutex because mutexes that obey the (optional) */
|
||||
@ -462,15 +513,10 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
|
||||
# define NO_THREAD (pthread_t)(-1)
|
||||
# define UNSET_LOCK_HOLDER() GC_lock_holder = NO_THREAD
|
||||
# define I_HOLD_LOCK() (pthread_equal(GC_lock_holder, pthread_self()))
|
||||
# ifdef UNDEFINED
|
||||
# define LOCK() pthread_mutex_lock(&GC_allocate_ml)
|
||||
# define UNLOCK() pthread_mutex_unlock(&GC_allocate_ml)
|
||||
# else
|
||||
# define LOCK() \
|
||||
# define LOCK() \
|
||||
{ if (GC_test_and_set(&GC_allocate_lock)) GC_lock(); }
|
||||
# define UNLOCK() \
|
||||
# define UNLOCK() \
|
||||
GC_clear(&GC_allocate_lock)
|
||||
# endif
|
||||
extern GC_bool GC_collecting;
|
||||
# define ENTER_GC() \
|
||||
{ \
|
||||
@ -478,15 +524,30 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
|
||||
}
|
||||
# define EXIT_GC() GC_collecting = 0;
|
||||
# endif /* LINUX_THREADS */
|
||||
# if defined(IRIX_THREADS) || defined(IRIX_JDK_THREADS)
|
||||
# if defined(HPUX_THREADS)
|
||||
# include <pthread.h>
|
||||
# include <mutex.h>
|
||||
extern pthread_mutex_t GC_allocate_ml;
|
||||
# define LOCK() pthread_mutex_lock(&GC_allocate_ml)
|
||||
# define UNLOCK() pthread_mutex_unlock(&GC_allocate_ml)
|
||||
# endif
|
||||
# if defined(IRIX_THREADS) || defined(IRIX_JDK_THREADS)
|
||||
/* This may also eventually be appropriate for HPUX_THREADS */
|
||||
# include <pthread.h>
|
||||
# ifndef HPUX_THREADS
|
||||
/* This probably should never be included, but I can't test */
|
||||
/* on Irix anymore. */
|
||||
# include <mutex.h>
|
||||
# endif
|
||||
|
||||
# if __mips < 3 || !(defined (_ABIN32) || defined(_ABI64)) \
|
||||
# ifndef HPUX_THREADS
|
||||
# if __mips < 3 || !(defined (_ABIN32) || defined(_ABI64)) \
|
||||
|| !defined(_COMPILER_VERSION) || _COMPILER_VERSION < 700
|
||||
# define GC_test_and_set(addr, v) test_and_set(addr,v)
|
||||
# else
|
||||
# else
|
||||
# define GC_test_and_set(addr, v) __test_and_set(addr,v)
|
||||
# endif
|
||||
# else
|
||||
/* I couldn't find a way to do this inline on HP/UX */
|
||||
# endif
|
||||
extern unsigned long GC_allocate_lock;
|
||||
/* This is not a mutex because mutexes that obey the (optional) */
|
||||
@ -500,15 +561,17 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
|
||||
# define NO_THREAD (pthread_t)(-1)
|
||||
# define UNSET_LOCK_HOLDER() GC_lock_holder = NO_THREAD
|
||||
# define I_HOLD_LOCK() (pthread_equal(GC_lock_holder, pthread_self()))
|
||||
# ifdef UNDEFINED
|
||||
# define LOCK() pthread_mutex_lock(&GC_allocate_ml)
|
||||
# define UNLOCK() pthread_mutex_unlock(&GC_allocate_ml)
|
||||
# ifdef HPUX_THREADS
|
||||
# define LOCK() { if (!GC_test_and_clear(&GC_allocate_lock)) GC_lock(); }
|
||||
/* The following is INCORRECT, since the memory model is too weak. */
|
||||
# define UNLOCK() { GC_noop1(&GC_allocate_lock); \
|
||||
*(volatile unsigned long *)(&GC_allocate_lock) = 1; }
|
||||
# else
|
||||
# define LOCK() { if (GC_test_and_set(&GC_allocate_lock, 1)) GC_lock(); }
|
||||
# if __mips >= 3 && (defined (_ABIN32) || defined(_ABI64)) \
|
||||
# define LOCK() { if (GC_test_and_set(&GC_allocate_lock, 1)) GC_lock(); }
|
||||
# if __mips >= 3 && (defined (_ABIN32) || defined(_ABI64)) \
|
||||
&& defined(_COMPILER_VERSION) && _COMPILER_VERSION >= 700
|
||||
# define UNLOCK() __lock_release(&GC_allocate_lock)
|
||||
# else
|
||||
# else
|
||||
/* The function call in the following should prevent the */
|
||||
/* compiler from moving assignments to below the UNLOCK. */
|
||||
/* This is probably not necessary for ucode or gcc 2.8. */
|
||||
@ -516,7 +579,7 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
|
||||
/* versions. */
|
||||
# define UNLOCK() { GC_noop1(&GC_allocate_lock); \
|
||||
*(volatile unsigned long *)(&GC_allocate_lock) = 0; }
|
||||
# endif
|
||||
# endif
|
||||
# endif
|
||||
extern GC_bool GC_collecting;
|
||||
# define ENTER_GC() \
|
||||
@ -607,7 +670,7 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
|
||||
# else
|
||||
# if defined(SOLARIS_THREADS) || defined(WIN32_THREADS) \
|
||||
|| defined(IRIX_THREADS) || defined(LINUX_THREADS) \
|
||||
|| defined(IRIX_JDK_THREADS)
|
||||
|| defined(IRIX_JDK_THREADS) || defined(HPUX_THREADS)
|
||||
void GC_stop_world();
|
||||
void GC_start_world();
|
||||
# define STOP_WORLD() GC_stop_world()
|
||||
@ -823,6 +886,7 @@ struct hblkhdr {
|
||||
struct hblk * hb_next; /* Link field for hblk free list */
|
||||
/* and for lists of chunks waiting to be */
|
||||
/* reclaimed. */
|
||||
struct hblk * hb_prev; /* Backwards link for free list. */
|
||||
word hb_descr; /* object descriptor for marking. See */
|
||||
/* mark.h. */
|
||||
char* hb_map; /* A pointer to a pointer validity map of the block. */
|
||||
@ -837,14 +901,28 @@ struct hblkhdr {
|
||||
# define IGNORE_OFF_PAGE 1 /* Ignore pointers that do not */
|
||||
/* point to the first page of */
|
||||
/* this object. */
|
||||
# define WAS_UNMAPPED 2 /* This is a free block, which has */
|
||||
/* been unmapped from the address */
|
||||
/* space. */
|
||||
/* GC_remap must be invoked on it */
|
||||
/* before it can be reallocated. */
|
||||
/* Only set with USE_MUNMAP. */
|
||||
unsigned short hb_last_reclaimed;
|
||||
/* Value of GC_gc_no when block was */
|
||||
/* last allocated or swept. May wrap. */
|
||||
/* For a free block, this is maintained */
|
||||
/* unly for USE_MUNMAP, and indicates */
|
||||
/* when the header was allocated, or */
|
||||
/* when the size of the block last */
|
||||
/* changed. */
|
||||
word hb_marks[MARK_BITS_SZ];
|
||||
/* Bit i in the array refers to the */
|
||||
/* object starting at the ith word (header */
|
||||
/* INCLUDED) in the heap block. */
|
||||
/* The lsb of word 0 is numbered 0. */
|
||||
/* Unused bits are invalid, and are */
|
||||
/* occasionally set, e.g for uncollectable */
|
||||
/* objects. */
|
||||
};
|
||||
|
||||
/* heap block body */
|
||||
@ -959,6 +1037,9 @@ struct _GC_arrays {
|
||||
word _max_heapsize;
|
||||
ptr_t _last_heap_addr;
|
||||
ptr_t _prev_heap_addr;
|
||||
word _large_free_bytes;
|
||||
/* Total bytes contained in blocks on large object free */
|
||||
/* list. */
|
||||
word _words_allocd_before_gc;
|
||||
/* Number of words allocated before this */
|
||||
/* collection cycle. */
|
||||
@ -1005,6 +1086,9 @@ struct _GC_arrays {
|
||||
/* Number of words in accessible atomic */
|
||||
/* objects. */
|
||||
# endif
|
||||
# ifdef USE_MUNMAP
|
||||
word _unmapped_bytes;
|
||||
# endif
|
||||
# ifdef MERGE_SIZES
|
||||
unsigned _size_map[WORDS_TO_BYTES(MAXOBJSZ+1)];
|
||||
/* Number of words to allocate for a given allocation request in */
|
||||
@ -1022,7 +1106,7 @@ struct _GC_arrays {
|
||||
/* to an object at */
|
||||
/* block_start+i&~3 - WORDS_TO_BYTES(j). */
|
||||
/* (If ALL_INTERIOR_POINTERS is defined, then */
|
||||
/* instead ((short *)(hbh_map[sz])[i] is j if */
|
||||
/* instead ((short *)(hb_map[sz])[i] is j if */
|
||||
/* block_start+WORDS_TO_BYTES(i) is in the */
|
||||
/* interior of an object starting at */
|
||||
/* block_start+WORDS_TO_BYTES(i-j)). */
|
||||
@ -1135,6 +1219,7 @@ GC_API GC_FAR struct _GC_arrays GC_arrays;
|
||||
# define GC_prev_heap_addr GC_arrays._prev_heap_addr
|
||||
# define GC_words_allocd GC_arrays._words_allocd
|
||||
# define GC_words_wasted GC_arrays._words_wasted
|
||||
# define GC_large_free_bytes GC_arrays._large_free_bytes
|
||||
# define GC_words_finalized GC_arrays._words_finalized
|
||||
# define GC_non_gc_bytes_at_gc GC_arrays._non_gc_bytes_at_gc
|
||||
# define GC_mem_freed GC_arrays._mem_freed
|
||||
@ -1144,6 +1229,9 @@ GC_API GC_FAR struct _GC_arrays GC_arrays;
|
||||
# define GC_words_allocd_before_gc GC_arrays._words_allocd_before_gc
|
||||
# define GC_heap_sects GC_arrays._heap_sects
|
||||
# define GC_last_stack GC_arrays._last_stack
|
||||
# ifdef USE_MUNMAP
|
||||
# define GC_unmapped_bytes GC_arrays._unmapped_bytes
|
||||
# endif
|
||||
# ifdef MSWIN32
|
||||
# define GC_heap_bases GC_arrays._heap_bases
|
||||
# endif
|
||||
@ -1236,7 +1324,7 @@ extern char * GC_invalid_map;
|
||||
/* Pointer to the nowhere valid hblk map */
|
||||
/* Blocks pointing to this map are free. */
|
||||
|
||||
extern struct hblk * GC_hblkfreelist;
|
||||
extern struct hblk * GC_hblkfreelist[];
|
||||
/* List of completely empty heap blocks */
|
||||
/* Linked through hb_next field of */
|
||||
/* header structure associated with */
|
||||
@ -1311,7 +1399,12 @@ GC_bool GC_should_collect();
|
||||
void GC_apply_to_all_blocks(/*fn, client_data*/);
|
||||
/* Invoke fn(hbp, client_data) for each */
|
||||
/* allocated heap block. */
|
||||
struct hblk * GC_next_block(/* struct hblk * h */);
|
||||
struct hblk * GC_next_used_block(/* struct hblk * h */);
|
||||
/* Return first in-use block >= h */
|
||||
struct hblk * GC_prev_block(/* struct hblk * h */);
|
||||
/* Return last block <= h. Returned block */
|
||||
/* is managed by GC, but may or may not be in */
|
||||
/* use. */
|
||||
void GC_mark_init();
|
||||
void GC_clear_marks(); /* Clear mark bits for all heap objects. */
|
||||
void GC_invalidate_mark_state(); /* Tell the marker that marked */
|
||||
@ -1384,8 +1477,14 @@ extern void (*GC_start_call_back)(/* void */);
|
||||
/* lock held. */
|
||||
/* 0 by default. */
|
||||
void GC_push_regs(); /* Push register contents onto mark stack. */
|
||||
/* If NURSERY is defined, the default push */
|
||||
/* action can be overridden with GC_push_proc */
|
||||
void GC_remark(); /* Mark from all marked objects. Used */
|
||||
/* only if we had to drop something. */
|
||||
|
||||
# ifdef NURSERY
|
||||
extern void (*GC_push_proc)(ptr_t);
|
||||
# endif
|
||||
# if defined(MSWIN32)
|
||||
void __cdecl GC_push_one();
|
||||
# else
|
||||
@ -1608,6 +1707,15 @@ extern void (*GC_print_heap_obj)(/* ptr_t p */);
|
||||
/* detailed description of the object */
|
||||
/* referred to by p. */
|
||||
|
||||
/* Memory unmapping: */
|
||||
#ifdef USE_MUNMAP
|
||||
void GC_unmap_old(void);
|
||||
void GC_merge_unmapped(void);
|
||||
void GC_unmap(ptr_t start, word bytes);
|
||||
void GC_remap(ptr_t start, word bytes);
|
||||
void GC_unmap_gap(ptr_t start1, word bytes1, ptr_t start2, word bytes2);
|
||||
#endif
|
||||
|
||||
/* Virtual dirty bit implementation: */
|
||||
/* Each implementation exports the following: */
|
||||
void GC_read_dirty(); /* Retrieve dirty bits. */
|
||||
@ -1640,6 +1748,16 @@ void GC_print_heap_sects();
|
||||
void GC_print_static_roots();
|
||||
void GC_dump();
|
||||
|
||||
#ifdef KEEP_BACK_PTRS
|
||||
void GC_store_back_pointer(ptr_t source, ptr_t dest);
|
||||
void GC_marked_for_finalization(ptr_t dest);
|
||||
# define GC_STORE_BACK_PTR(source, dest) GC_store_back_pointer(source, dest)
|
||||
# define GC_MARKED_FOR_FINALIZATION(dest) GC_marked_for_finalization(dest)
|
||||
#else
|
||||
# define GC_STORE_BACK_PTR(source, dest)
|
||||
# define GC_MARKED_FOR_FINALIZATION(dest)
|
||||
#endif
|
||||
|
||||
/* Make arguments appear live to compiler */
|
||||
# ifdef __WATCOMC__
|
||||
void GC_noop(void*, ...);
|
||||
@ -1690,4 +1808,13 @@ void GC_err_puts(/* char *s */);
|
||||
/* newlines, don't ... */
|
||||
|
||||
|
||||
# ifdef GC_ASSERTIONS
|
||||
# define GC_ASSERT(expr) if(!(expr)) {\
|
||||
GC_err_printf2("Assertion failure: %s:%ld\n", \
|
||||
__FILE__, (unsigned long)__LINE__); \
|
||||
ABORT("assertion failure"); }
|
||||
# else
|
||||
# define GC_ASSERT(expr)
|
||||
# endif
|
||||
|
||||
# endif /* GC_PRIVATE_H */
|
||||
|
||||
@ -43,6 +43,11 @@
|
||||
# define OPENBSD
|
||||
# define mach_type_known
|
||||
# endif
|
||||
# if defined(__OpenBSD__) && defined(__sparc__)
|
||||
# define SPARC
|
||||
# define OPENBSD
|
||||
# define mach_type_known
|
||||
# endif
|
||||
# if defined(__NetBSD__) && defined(m68k)
|
||||
# define M68K
|
||||
# define NETBSD
|
||||
@ -100,7 +105,8 @@
|
||||
# endif
|
||||
# define mach_type_known
|
||||
# endif
|
||||
# if defined(sparc) && defined(unix) && !defined(sun) && !defined(linux)
|
||||
# if defined(sparc) && defined(unix) && !defined(sun) && !defined(linux) \
|
||||
&& !defined(__OpenBSD__)
|
||||
# define SPARC
|
||||
# define DRSNX
|
||||
# define mach_type_known
|
||||
@ -129,7 +135,7 @@
|
||||
# define HP_PA
|
||||
# define mach_type_known
|
||||
# endif
|
||||
# if defined(LINUX) && defined(i386)
|
||||
# if defined(LINUX) && (defined(i386) || defined(__i386__))
|
||||
# define I386
|
||||
# define mach_type_known
|
||||
# endif
|
||||
@ -141,9 +147,8 @@
|
||||
# define M68K
|
||||
# define mach_type_known
|
||||
# endif
|
||||
# if defined(linux) && defined(sparc)
|
||||
# if defined(LINUX) && defined(sparc)
|
||||
# define SPARC
|
||||
# define LINUX
|
||||
# define mach_type_known
|
||||
# endif
|
||||
# if defined(__alpha) || defined(__alpha__)
|
||||
@ -153,9 +158,11 @@
|
||||
# endif
|
||||
# define mach_type_known
|
||||
# endif
|
||||
# if defined(_AMIGA)
|
||||
# define M68K
|
||||
# if defined(_AMIGA) && !defined(AMIGA)
|
||||
# define AMIGA
|
||||
# endif
|
||||
# ifdef AMIGA
|
||||
# define M68K
|
||||
# define mach_type_known
|
||||
# endif
|
||||
# if defined(THINK_C) || defined(__MWERKS__) && !defined(__powerc)
|
||||
@ -168,6 +175,11 @@
|
||||
# define MACOS
|
||||
# define mach_type_known
|
||||
# endif
|
||||
# if defined(macosx)
|
||||
# define MACOSX
|
||||
# define POWERPC
|
||||
# define mach_type_known
|
||||
# endif
|
||||
# if defined(NeXT) && defined(mc68000)
|
||||
# define M68K
|
||||
# define NEXT
|
||||
@ -486,8 +498,8 @@
|
||||
|
||||
# ifdef POWERPC
|
||||
# define MACH_TYPE "POWERPC"
|
||||
# define ALIGNMENT 2
|
||||
# ifdef MACOS
|
||||
# define ALIGNMENT 2 /* Still necessary? Could it be 4? */
|
||||
# ifndef __LOWMEM__
|
||||
# include <LowMem.h>
|
||||
# endif
|
||||
@ -497,14 +509,24 @@
|
||||
# define DATAEND /* not needed */
|
||||
# endif
|
||||
# ifdef LINUX
|
||||
# define ALIGNMENT 4 /* Guess. Can someone verify? */
|
||||
/* This was 2, but that didn't sound right. */
|
||||
# define OS_TYPE "LINUX"
|
||||
# define HEURISTIC1
|
||||
# undef STACK_GRAN
|
||||
# define STACK_GRAN 0x10000000
|
||||
/* Stack usually starts at 0x80000000 */
|
||||
# define DATASTART GC_data_start
|
||||
extern int _end;
|
||||
# define DATAEND (&_end)
|
||||
# endif
|
||||
# ifdef MACOSX
|
||||
# define ALIGNMENT 4
|
||||
# define OS_TYPE "MACOSX"
|
||||
# define DATASTART ((ptr_t) get_etext())
|
||||
# define STACKBOTTOM ((ptr_t) 0xc0000000)
|
||||
# define DATAEND /* not needed */
|
||||
# endif
|
||||
# endif
|
||||
|
||||
# ifdef VAX
|
||||
@ -603,6 +625,11 @@
|
||||
# define SVR4
|
||||
# define STACKBOTTOM ((ptr_t) 0xf0000000)
|
||||
# endif
|
||||
# ifdef OPENBSD
|
||||
# define OS_TYPE "OPENBSD"
|
||||
# define STACKBOTTOM ((ptr_t) 0xf8000000)
|
||||
# define DATASTART ((ptr_t)(&etext))
|
||||
# endif
|
||||
# endif
|
||||
|
||||
# ifdef I386
|
||||
@ -657,10 +684,13 @@
|
||||
# endif
|
||||
# ifdef LINUX
|
||||
# define OS_TYPE "LINUX"
|
||||
# define STACKBOTTOM ((ptr_t)0xc0000000)
|
||||
/* Appears to be 0xe0000000 for at least one 2.1.91 kernel. */
|
||||
/* Probably needs to be more flexible, but I don't yet */
|
||||
/* fully understand how flexible. */
|
||||
# define HEURISTIC1
|
||||
# undef STACK_GRAN
|
||||
# define STACK_GRAN 0x10000000
|
||||
/* STACKBOTTOM is usually 0xc0000000, but this changes with */
|
||||
/* different kernel configurations. In particular, systems */
|
||||
/* with 2GB physical memory will usually move the user */
|
||||
/* address space limit, and hence initial SP to 0x80000000. */
|
||||
# if !defined(LINUX_THREADS) || !defined(REDIRECT_MALLOC)
|
||||
# define MPROTECT_VDB
|
||||
# else
|
||||
@ -909,9 +939,13 @@
|
||||
# define CPP_WORDSZ 64
|
||||
# define STACKBOTTOM ((ptr_t) 0x120000000)
|
||||
# ifdef __ELF__
|
||||
# if 0
|
||||
/* __data_start apparently disappeared in some recent releases. */
|
||||
extern int __data_start;
|
||||
# define DATASTART &__data_start
|
||||
# define DYNAMIC_LOADING
|
||||
# endif
|
||||
# define DATASTART GC_data_start
|
||||
# define DYNAMIC_LOADING
|
||||
# else
|
||||
# define DATASTART ((ptr_t) 0x140000000)
|
||||
# endif
|
||||
@ -1021,6 +1055,10 @@
|
||||
# undef MPROTECT_VDB
|
||||
# endif
|
||||
|
||||
# ifdef USE_MUNMAP
|
||||
# undef MPROTECT_VDB /* Can't deal with address space holes. */
|
||||
# endif
|
||||
|
||||
# if !defined(PCR_VDB) && !defined(PROC_VDB) && !defined(MPROTECT_VDB)
|
||||
# define DEFAULT_VDB
|
||||
# endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user