diff options
Diffstat (limited to 'boehm-gc/include/private/gc_priv.h')
| -rw-r--r-- | boehm-gc/include/private/gc_priv.h | 166 |
1 files changed, 84 insertions, 82 deletions
diff --git a/boehm-gc/include/private/gc_priv.h b/boehm-gc/include/private/gc_priv.h index b09c4840945..ffa398b308b 100644 --- a/boehm-gc/include/private/gc_priv.h +++ b/boehm-gc/include/private/gc_priv.h @@ -30,14 +30,20 @@ # 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 @@ -206,11 +212,10 @@ typedef char * ptr_t; /* A generic pointer to which we can add */ #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 @@ -347,7 +352,8 @@ void GC_print_callers GC_PROTO((struct callinfo info[NFRAMES])); # include <string.h> # define BCOPY_EXISTS # endif -# if defined(MACOSX) +# if defined(DARWIN) +# include <string.h> # define BCOPY_EXISTS # endif @@ -360,68 +366,6 @@ void GC_print_callers GC_PROTO((struct callinfo info[NFRAMES])); # 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 */ @@ -486,7 +430,7 @@ struct hblk; /* See below. */ # 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 @@ -646,9 +590,10 @@ extern GC_warn_proc GC_current_warn_proc; */ # 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 */ @@ -656,7 +601,7 @@ extern GC_warn_proc GC_current_warn_proc; /* 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 @@ -897,6 +842,10 @@ struct _GC_arrays { 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 */ @@ -957,7 +906,7 @@ struct _GC_arrays { /* 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] @@ -1067,6 +1016,7 @@ GC_API GC_FAR struct _GC_arrays GC_arrays; # 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 @@ -1201,17 +1151,19 @@ extern struct hblk * GC_hblkfreelist[]; /* 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; @@ -1229,6 +1181,10 @@ extern long GC_large_alloc_warn_interval; 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)) @@ -1403,6 +1359,11 @@ extern void (*GC_start_call_back) GC_PROTO((void)); # 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 */ @@ -1452,6 +1413,7 @@ void GC_set_fl_marks GC_PROTO((ptr_t p)); /* 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? */ @@ -1462,11 +1424,10 @@ GC_bool GC_is_tmp_root GC_PROTO((ptr_t p)); # 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 */ @@ -1624,6 +1585,8 @@ GC_bool GC_collect_or_expand GC_PROTO(( \ /* 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 */ @@ -1665,6 +1628,8 @@ ptr_t GC_allocobj GC_PROTO((word sz, int kind)); /* 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)); @@ -1694,6 +1659,12 @@ void GC_notify_or_invoke_finalizers GC_PROTO((void)); /* 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. */ @@ -1704,16 +1675,36 @@ void GC_print_obj GC_PROTO((ptr_t p)); /* 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 @@ -1785,6 +1776,7 @@ void GC_print_block_list GC_PROTO((void)); 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 @@ -1866,6 +1858,16 @@ void GC_err_puts GC_PROTO((GC_CONST char *s)); # 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 */ @@ -1911,7 +1913,7 @@ void GC_err_puts GC_PROTO((GC_CONST char *s)); /* 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. */ |