# define BSD_TIME
#endif
+#ifdef DGUX
+# include <sys/types.h>
+# include <sys/time.h>
+# include <sys/resource.h>
+#endif /* DGUX */
+
#ifdef BSD_TIME
# include <sys/types.h>
# include <sys/time.h>
# include <sys/resource.h>
#endif /* BSD_TIME */
-# ifndef GC_H
-# include "gc.h"
+# ifndef _GC_H
+# include "../gc.h"
# endif
# ifndef GC_MARK_H
#endif
#if defined(GC_GCJ_SUPPORT) && ALIGNMENT < 8 && !defined(ALIGN_DOUBLE)
- /* GCJ's Hashtable synchronization code requires 64-bit alignment. */
+ /* GCJ's Hashtable synchronization code requires 64-bit alignment. */
# define ALIGN_DOUBLE
#endif
-
/* ALIGN_DOUBLE requires MERGE_SIZES at present. */
# if defined(ALIGN_DOUBLE) && !defined(MERGE_SIZES)
# define MERGE_SIZES
# include <string.h>
# define BCOPY_EXISTS
# endif
-# if defined(MACOSX)
+# if defined(DARWIN)
+# include <string.h>
# define BCOPY_EXISTS
# endif
# define BZERO(x,n) bzero((char *)(x),(int)(n))
# endif
-/* HBLKSIZE aligned allocation. 0 is taken to mean failure */
-/* space is assumed to be cleared. */
-/* In the case os USE_MMAP, the argument must also be a */
-/* physical page size. */
-/* GET_MEM is currently not assumed to retrieve 0 filled space, */
-/* though we should perhaps take advantage of the case in which */
-/* does. */
-struct hblk; /* See below. */
-# ifdef PCR
- char * real_malloc();
-# define GET_MEM(bytes) HBLKPTR(real_malloc((size_t)bytes + GC_page_size) \
- + GC_page_size-1)
-# else
-# ifdef OS2
- void * os2_alloc(size_t bytes);
-# define GET_MEM(bytes) HBLKPTR((ptr_t)os2_alloc((size_t)bytes \
- + GC_page_size) \
- + GC_page_size-1)
-# else
-# if defined(NEXT) || defined(MACOSX) || defined(DOS4GW) || \
- (defined(AMIGA) && !defined(GC_AMIGA_FASTALLOC)) || \
- (defined(SUNOS5) && !defined(USE_MMAP))
-# define GET_MEM(bytes) HBLKPTR((size_t) \
- calloc(1, (size_t)bytes + GC_page_size) \
- + GC_page_size-1)
-# else
-# ifdef MSWIN32
- extern ptr_t GC_win32_get_mem();
-# define GET_MEM(bytes) (struct hblk *)GC_win32_get_mem(bytes)
-# else
-# ifdef MACOS
-# if defined(USE_TEMPORARY_MEMORY)
- extern Ptr GC_MacTemporaryNewPtr(size_t size,
- Boolean clearMemory);
-# define GET_MEM(bytes) HBLKPTR( \
- GC_MacTemporaryNewPtr(bytes + GC_page_size, true) \
- + GC_page_size-1)
-# else
-# define GET_MEM(bytes) HBLKPTR( \
- NewPtrClear(bytes + GC_page_size) + GC_page_size-1)
-# endif
-# else
-# ifdef MSWINCE
- extern ptr_t GC_wince_get_mem();
-# define GET_MEM(bytes) (struct hblk *)GC_wince_get_mem(bytes)
-# else
-# if defined(AMIGA) && defined(GC_AMIGA_FASTALLOC)
- extern void *GC_amiga_get_mem(size_t size);
- define GET_MEM(bytes) HBLKPTR((size_t) \
- GC_amiga_get_mem((size_t)bytes + GC_page_size) \
- + GC_page_size-1)
-# else
- extern ptr_t GC_unix_get_mem();
-# define GET_MEM(bytes) (struct hblk *)GC_unix_get_mem(bytes)
-# endif
-# endif
-# endif
-# endif
-# endif
-# endif
-# endif
-
/* Delay any interrupts or signals that may abort this thread. Data */
/* structures are in a consistent state outside this pair of calls. */
/* ANSI C allows both to be empty (though the standard isn't very */
# ifdef SMALL_CONFIG
# define ABORT(msg) abort();
# else
- GC_API void GC_abort();
+ GC_API void GC_abort GC_PROTO((GC_CONST char * msg));
# define ABORT(msg) GC_abort(msg);
# endif
# endif
*/
# ifdef LARGE_CONFIG
-# define LOG_PHT_ENTRIES 19 /* Collisions likely at 512K blocks, */
- /* which is >= 2GB. Each table takes */
- /* 64KB. */
+# define LOG_PHT_ENTRIES 20 /* Collisions likely at 1M blocks, */
+ /* which is >= 4GB. Each table takes */
+ /* 128KB, some of which may never be */
+ /* touched. */
# else
# ifdef SMALL_CONFIG
# define LOG_PHT_ENTRIES 14 /* Collisions are likely if heap grows */
/* Each hash table occupies 2K bytes. */
# else /* default "medium" configuration */
# define LOG_PHT_ENTRIES 16 /* Collisions are likely if heap grows */
- /* to more than 16K hblks >= 256MB. */
+ /* to more than 64K hblks >= 256MB. */
/* Each hash table occupies 8K bytes. */
# endif
# endif
word _mem_freed;
/* Number of explicitly deallocated words of memory */
/* since last collection. */
+ word _finalizer_mem_freed;
+ /* Words of memory explicitly deallocated while */
+ /* finalizers were running. Used to approximate mem. */
+ /* explicitly deallocated by finalizers. */
ptr_t _scratch_end_ptr;
ptr_t _scratch_last_end_ptr;
/* Used by headers.c, and can easily appear to point to */
/* OFFSET_TOO_BIG if the value j would be too */
/* large to fit in the entry. (Note that the */
/* size of these entries matters, both for */
- /* space consumption and for cache utilization. */
+ /* space consumption and for cache utilization.) */
# define OFFSET_TOO_BIG 0xfe
# define OBJ_INVALID 0xff
# define MAP_ENTRY(map, bytes) (map)[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
+# define GC_finalizer_mem_freed GC_arrays._finalizer_mem_freed
# define GC_scratch_end_ptr GC_arrays._scratch_end_ptr
# define GC_scratch_last_end_ptr GC_arrays._scratch_last_end_ptr
# define GC_mark_procs GC_arrays._mark_procs
/* header structure associated with */
/* block. */
-extern GC_bool GC_is_initialized; /* GC_init() has been run. */
-
extern GC_bool GC_objects_are_marked; /* There are marked objects in */
/* the heap. */
#ifndef SMALL_CONFIG
extern GC_bool GC_incremental;
/* Using incremental/generational collection. */
+# define TRUE_INCREMENTAL \
+ (GC_incremental && GC_time_limit != GC_TIME_UNLIMITED)
+ /* True incremental, not just generational, mode */
#else
# define GC_incremental FALSE
/* Hopefully allow optimizer to remove some code. */
+# define TRUE_INCREMENTAL FALSE
#endif
extern GC_bool GC_dirty_maintained;
extern long GC_large_alloc_warn_suppressed;
/* Number of warnings suppressed so far. */
+#ifdef THREADS
+ extern GC_bool GC_world_stopped;
+#endif
+
/* Operations */
# ifndef abs
# define abs(x) ((x) < 0? (-(x)) : (x))
# else
void GC_push_regs GC_PROTO((void));
# endif
+# if defined(SPARC) || defined(IA64)
+ /* Cause all stacked registers to be saved in memory. Return a */
+ /* pointer to the top of the corresponding memory stack. */
+ word GC_save_regs_in_stack GC_PROTO((void));
+# endif
/* Push register contents onto mark stack. */
/* If NURSERY is defined, the default push */
/* action can be overridden with GC_push_proc */
/* Set all mark bits associated with */
/* a free list. */
void GC_add_roots_inner GC_PROTO((char * b, char * e, GC_bool tmp));
+void GC_remove_roots_inner GC_PROTO((char * b, char * e));
GC_bool GC_is_static_root GC_PROTO((ptr_t p));
/* Is the address p in one of the registered static */
/* root sections? */
# endif
void GC_register_dynamic_libraries GC_PROTO((void));
/* Add dynamic library data sections to the root set. */
-
GC_bool GC_register_main_static_data GC_PROTO((void));
- /* We need to register the main data segment. Returns */
- /* TRUE unless this is done implicitly as part of */
- /* dynamic library registration. */
+ /* We need to register the main data segment. Returns */
+ /* TRUE unless this is done implicitly as part of */
+ /* dynamic library registration. */
/* Machine dependent startup routines */
ptr_t GC_get_stack_base GC_PROTO((void)); /* Cold end of stack */
/* until the blocks are available or */
/* until it fails by returning FALSE. */
+extern GC_bool GC_is_initialized; /* GC_init() has been run. */
+
#if defined(MSWIN32) || defined(MSWINCE)
void GC_deinit GC_PROTO((void));
/* Free any resources allocated by */
/* Make the indicated */
/* free list nonempty, and return its */
/* head. */
+
+void GC_free_inner(GC_PTR p);
void GC_init_headers GC_PROTO((void));
struct hblkhdr * GC_install_header GC_PROTO((struct hblk *h));
/* Call *GC_finalizer_notifier if there are */
/* finalizers to be run, and we haven't called */
/* this procedure yet this GC cycle. */
+
+GC_API GC_PTR GC_make_closure GC_PROTO((GC_finalization_proc fn, GC_PTR data));
+GC_API void GC_debug_invoke_finalizer GC_PROTO((GC_PTR obj, GC_PTR data));
+ /* Auxiliary fns to make finalization work */
+ /* correctly with displaced pointers introduced */
+ /* by the debugging allocators. */
void GC_add_to_heap GC_PROTO((struct hblk *p, word bytes));
/* Add a HBLKSIZE aligned chunk to the heap. */
/* description of the object to stderr. */
extern void (*GC_check_heap) GC_PROTO((void));
/* Check that all objects in the heap with */
- /* debugging info are intact. Print */
- /* descriptions of any that are not. */
+ /* debugging info are intact. */
+ /* Add any that are not to GC_smashed list. */
+extern void (*GC_print_all_smashed) GC_PROTO((void));
+ /* Print GC_smashed if it's not empty. */
+ /* Clear GC_smashed list. */
+extern void GC_print_all_errors GC_PROTO((void));
+ /* Print smashed and leaked objects, if any. */
+ /* Clear the lists of such objects. */
extern void (*GC_print_heap_obj) GC_PROTO((ptr_t p));
/* If possible print s followed by a more */
/* detailed description of the object */
/* referred to by p. */
+#if defined(LINUX) && defined(__ELF__) && !defined(SMALL_CONFIG)
+ void GC_print_address_map GC_PROTO((void));
+ /* Print an address map of the process. */
+#endif
+extern GC_bool GC_have_errors; /* We saw a smashed or leaked object. */
+ /* Call error printing routine */
+ /* occasionally. */
extern GC_bool GC_print_stats; /* Produce at least some logging output */
/* Set from environment variable. */
+#ifndef NO_DEBUGGING
+ extern GC_bool GC_dump_regularly; /* Generate regular debugging dumps. */
+# define COND_DUMP if (GC_dump_regularly) GC_dump();
+#else
+# define COND_DUMP
+#endif
+
/* Macros used for collector internal allocation. */
/* These assume the collector lock is held. */
#ifdef DBG_HDRS_ALL
void GC_print_hblkfreelist GC_PROTO((void));
void GC_print_heap_sects GC_PROTO((void));
void GC_print_static_roots GC_PROTO((void));
+void GC_print_finalization_stats GC_PROTO((void));
void GC_dump GC_PROTO((void));
#ifdef KEEP_BACK_PTRS
# define GC_ASSERT(expr)
# endif
+/* Check a compile time assertion at compile time. The error */
+/* message for failure is a bit baroque, but ... */
+#if defined(mips) && !defined(__GNUC__)
+/* DOB: MIPSPro C gets an internal error taking the sizeof an array type.
+ This code works correctly (ugliness is to avoid "unused var" warnings) */
+# define GC_STATIC_ASSERT(expr) do { if (0) { char j[(expr)? 1 : -1]; j[0]='\0'; j[0]=j[0]; } } while(0)
+#else
+# define GC_STATIC_ASSERT(expr) sizeof(char[(expr)? 1 : -1])
+#endif
+
# if defined(PARALLEL_MARK) || defined(THREAD_LOCAL_ALLOC)
/* We need additional synchronization facilities from the thread */
/* support. We believe these are less performance critical */
/* in Linux glibc, but it's not exported.) Thus we continue to use */
/* the same hard-coded signals we've always used. */
# if !defined(SIG_SUSPEND)
-# if defined(GC_LINUX_THREADS)
+# if defined(GC_LINUX_THREADS) || defined(GC_DGUX386_THREADS)
# if defined(SPARC) && !defined(SIGPWR)
/* SPARC/Linux doesn't properly define SIGPWR in <signal.h>.
* It is aliased to SIGLOST in asm/signal.h, though. */
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