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author | Akinori Ito <aito@eie.yz.yamagata-u.ac.jp> | 2001-11-09 04:59:17 +0000 |
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committer | Akinori Ito <aito@eie.yz.yamagata-u.ac.jp> | 2001-11-09 04:59:17 +0000 |
commit | 6c63633545c254dc085402e0f927a6826d1dd229 (patch) | |
tree | 0126fb5598304c713ea1276e294da9098b5df3b4 /gc/typd_mlc.c | |
parent | Initial revision (diff) | |
download | w3m-6c63633545c254dc085402e0f927a6826d1dd229.tar.gz w3m-6c63633545c254dc085402e0f927a6826d1dd229.zip |
Updates from 0.2.1 into 0.2.1-inu-1.5release-0-2-1-inu-1-5
Diffstat (limited to '')
-rw-r--r-- | gc/typd_mlc.c | 108 |
1 files changed, 63 insertions, 45 deletions
diff --git a/gc/typd_mlc.c b/gc/typd_mlc.c index 74f455d..0771700 100644 --- a/gc/typd_mlc.c +++ b/gc/typd_mlc.c @@ -1,5 +1,6 @@ /* * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * opyright (c) 1999-2000 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. @@ -11,7 +12,6 @@ * modified is included with the above copyright notice. * */ -/* Boehm, July 31, 1995 5:02 pm PDT */ /* @@ -36,15 +36,10 @@ * since they are not accessible through the current interface. */ -#include "gc_priv.h" -#include "gc_mark.h" +#include "private/gc_pmark.h" #include "gc_typed.h" -# ifdef ADD_BYTE_AT_END -# define EXTRA_BYTES (sizeof(word) - 1) -# else -# define EXTRA_BYTES (sizeof(word)) -# endif +# define TYPD_EXTRA_BYTES (sizeof(word) - EXTRA_BYTES) GC_bool GC_explicit_typing_initialized = FALSE; @@ -170,15 +165,15 @@ GC_descr GC_bm_table[WORDSZ/2]; /* each of which is described by descriptor. */ /* The result is known to be short enough to fit into a bitmap */ /* descriptor. */ -/* Descriptor is a DS_LENGTH or DS_BITMAP descriptor. */ +/* Descriptor is a GC_DS_LENGTH or GC_DS_BITMAP descriptor. */ GC_descr GC_double_descr(descriptor, nwords) register GC_descr descriptor; register word nwords; { - if (descriptor && DS_TAGS == DS_LENGTH) { + if ((descriptor & GC_DS_TAGS) == GC_DS_LENGTH) { descriptor = GC_bm_table[BYTES_TO_WORDS((word)descriptor)]; }; - descriptor |= (descriptor & ~DS_TAGS) >> nwords; + descriptor |= (descriptor & ~GC_DS_TAGS) >> nwords; return(descriptor); } @@ -196,7 +191,7 @@ complex_descriptor * GC_make_sequence_descriptor(); /* is returned in *simple_d. */ /* If the result is NO_MEM, then */ /* we failed to allocate the descriptor. */ -/* The implementation knows that DS_LENGTH is 0. */ +/* The implementation knows that GC_DS_LENGTH is 0. */ /* *leaf, *complex_d, and *simple_d may be used as temporaries */ /* during the construction. */ # define COMPLEX 2 @@ -216,7 +211,7 @@ struct LeafDescriptor * leaf; /* For larger arrays, we try to combine descriptors of adjacent */ /* descriptors to speed up marking, and to reduce the amount */ /* of space needed on the mark stack. */ - if ((descriptor & DS_TAGS) == DS_LENGTH) { + if ((descriptor & GC_DS_TAGS) == GC_DS_LENGTH) { if ((word)descriptor == size) { *simple_d = nelements * descriptor; return(SIMPLE); @@ -236,7 +231,7 @@ struct LeafDescriptor * leaf; } } } else if (size <= BITMAP_BITS/2 - && (descriptor & DS_TAGS) != DS_PROC + && (descriptor & GC_DS_TAGS) != GC_DS_PROC && (size & (sizeof(word)-1)) == 0) { int result = GC_make_array_descriptor(nelements/2, 2*size, @@ -343,9 +338,15 @@ ptr_t * GC_eobjfreelist; ptr_t * GC_arobjfreelist; -mse * GC_typed_mark_proc(); +mse * GC_typed_mark_proc GC_PROTO((register word * addr, + register mse * mark_stack_ptr, + mse * mark_stack_limit, + word env)); -mse * GC_array_mark_proc(); +mse * GC_array_mark_proc GC_PROTO((register word * addr, + register mse * mark_stack_ptr, + mse * mark_stack_limit, + word env)); GC_descr GC_generic_array_descr; @@ -370,14 +371,14 @@ void GC_init_explicit_typing() GC_explicit_typing_initialized = TRUE; /* Set up object kind with simple indirect descriptor. */ GC_eobjfreelist = (ptr_t *) - GC_generic_malloc_inner((MAXOBJSZ+1)*sizeof(ptr_t), PTRFREE); + GC_INTERNAL_MALLOC((MAXOBJSZ+1)*sizeof(ptr_t), PTRFREE); if (GC_eobjfreelist == 0) ABORT("Couldn't allocate GC_eobjfreelist"); BZERO(GC_eobjfreelist, (MAXOBJSZ+1)*sizeof(ptr_t)); GC_explicit_kind = GC_n_kinds++; GC_obj_kinds[GC_explicit_kind].ok_freelist = GC_eobjfreelist; GC_obj_kinds[GC_explicit_kind].ok_reclaim_list = 0; GC_obj_kinds[GC_explicit_kind].ok_descriptor = - (((word)WORDS_TO_BYTES(-1)) | DS_PER_OBJECT); + (((word)WORDS_TO_BYTES(-1)) | GC_DS_PER_OBJECT); GC_obj_kinds[GC_explicit_kind].ok_relocate_descr = TRUE; GC_obj_kinds[GC_explicit_kind].ok_init = TRUE; /* Descriptors are in the last word of the object. */ @@ -387,7 +388,7 @@ void GC_init_explicit_typing() /* Moving this up breaks DEC AXP compiler. */ /* Set up object kind with array descriptor. */ GC_arobjfreelist = (ptr_t *) - GC_generic_malloc_inner((MAXOBJSZ+1)*sizeof(ptr_t), PTRFREE); + GC_INTERNAL_MALLOC((MAXOBJSZ+1)*sizeof(ptr_t), PTRFREE); if (GC_arobjfreelist == 0) ABORT("Couldn't allocate GC_arobjfreelist"); BZERO(GC_arobjfreelist, (MAXOBJSZ+1)*sizeof(ptr_t)); if (GC_n_mark_procs >= MAX_MARK_PROCS) @@ -399,26 +400,33 @@ void GC_init_explicit_typing() GC_obj_kinds[GC_array_kind].ok_freelist = GC_arobjfreelist; GC_obj_kinds[GC_array_kind].ok_reclaim_list = 0; GC_obj_kinds[GC_array_kind].ok_descriptor = - MAKE_PROC(GC_array_mark_proc_index, 0);; + GC_MAKE_PROC(GC_array_mark_proc_index, 0);; GC_obj_kinds[GC_array_kind].ok_relocate_descr = FALSE; GC_obj_kinds[GC_array_kind].ok_init = TRUE; /* Descriptors are in the last word of the object. */ GC_mark_procs[GC_array_mark_proc_index] = GC_array_mark_proc; for (i = 0; i < WORDSZ/2; i++) { GC_descr d = (((word)(-1)) >> (WORDSZ - i)) << (WORDSZ - i); - d |= DS_BITMAP; + d |= GC_DS_BITMAP; GC_bm_table[i] = d; } - GC_generic_array_descr = MAKE_PROC(GC_array_mark_proc_index, 0); + GC_generic_array_descr = GC_MAKE_PROC(GC_array_mark_proc_index, 0); UNLOCK(); ENABLE_SIGNALS(); } -mse * GC_typed_mark_proc(addr, mark_stack_ptr, mark_stack_limit, env) -register word * addr; -register mse * mark_stack_ptr; -mse * mark_stack_limit; -word env; +# if defined(__STDC__) || defined(__cplusplus) + mse * GC_typed_mark_proc(register word * addr, + register mse * mark_stack_ptr, + mse * mark_stack_limit, + word env) +# else + mse * GC_typed_mark_proc(addr, mark_stack_ptr, mark_stack_limit, env) + register word * addr; + register mse * mark_stack_ptr; + mse * mark_stack_limit; + word env; +# endif { register word bm = GC_ext_descriptors[env].ed_bitmap; register word * current_p = addr; @@ -430,7 +438,7 @@ word env; if (bm & 1) { current = *current_p; if ((ptr_t)current >= least_ha && (ptr_t)current <= greatest_ha) { - PUSH_CONTENTS(current, mark_stack_ptr, + PUSH_CONTENTS((ptr_t)current, mark_stack_ptr, mark_stack_limit, current_p, exit1); } } @@ -446,7 +454,7 @@ word env; } mark_stack_ptr -> mse_start = addr + WORDSZ; mark_stack_ptr -> mse_descr = - MAKE_PROC(GC_typed_mark_proc_index, env+1); + GC_MAKE_PROC(GC_typed_mark_proc_index, env+1); } return(mark_stack_ptr); } @@ -533,11 +541,18 @@ mse * msl; } /*ARGSUSED*/ -mse * GC_array_mark_proc(addr, mark_stack_ptr, mark_stack_limit, env) -register word * addr; -register mse * mark_stack_ptr; -mse * mark_stack_limit; -word env; +# if defined(__STDC__) || defined(__cplusplus) + mse * GC_array_mark_proc(register word * addr, + register mse * mark_stack_ptr, + mse * mark_stack_limit, + word env) +# else + mse * GC_array_mark_proc(addr, mark_stack_ptr, mark_stack_limit, env) + register word * addr; + register mse * mark_stack_ptr; + mse * mark_stack_limit; + word env; +# endif { register hdr * hhdr = HDR(addr); register word sz = hhdr -> hb_sz; @@ -563,12 +578,12 @@ word env; GC_mark_stack_too_small = TRUE; new_mark_stack_ptr = orig_mark_stack_ptr + 1; new_mark_stack_ptr -> mse_start = addr; - new_mark_stack_ptr -> mse_descr = WORDS_TO_BYTES(sz) | DS_LENGTH; + new_mark_stack_ptr -> mse_descr = WORDS_TO_BYTES(sz) | GC_DS_LENGTH; } else { /* Push descriptor itself */ new_mark_stack_ptr++; new_mark_stack_ptr -> mse_start = addr + sz - 1; - new_mark_stack_ptr -> mse_descr = sizeof(word) | DS_LENGTH; + new_mark_stack_ptr -> mse_descr = sizeof(word) | GC_DS_LENGTH; } return(new_mark_stack_ptr); } @@ -600,7 +615,7 @@ word env; } if (all_bits_set) { /* An initial section contains all pointers. Use length descriptor. */ - return(WORDS_TO_BYTES(last_set_bit+1) | DS_LENGTH); + return(WORDS_TO_BYTES(last_set_bit+1) | GC_DS_LENGTH); } } # endif @@ -612,16 +627,16 @@ word env; result >>= 1; if (GC_get_bit(bm, i)) result |= HIGH_BIT; } - result |= DS_BITMAP; + result |= GC_DS_BITMAP; return(result); } else { signed_word index; index = GC_add_ext_descriptor(bm, (word)last_set_bit+1); - if (index == -1) return(WORDS_TO_BYTES(last_set_bit+1) | DS_LENGTH); + if (index == -1) return(WORDS_TO_BYTES(last_set_bit+1) | GC_DS_LENGTH); /* Out of memory: use conservative */ /* approximation. */ - result = MAKE_PROC(GC_typed_mark_proc_index, (word)index); + result = GC_MAKE_PROC(GC_typed_mark_proc_index, (word)index); return(result); } } @@ -647,7 +662,7 @@ register ptr_t * opp; register word lw; DCL_LOCK_STATE; - lb += EXTRA_BYTES; + lb += TYPD_EXTRA_BYTES; if( SMALL_OBJ(lb) ) { # ifdef MERGE_SIZES lw = GC_size_map[lb]; @@ -665,6 +680,7 @@ DCL_LOCK_STATE; # endif } else { *opp = obj_link(op); + obj_link(op) = 0; GC_words_allocd += lw; FASTUNLOCK(); } @@ -691,7 +707,7 @@ register ptr_t * opp; register word lw; DCL_LOCK_STATE; - lb += EXTRA_BYTES; + lb += TYPD_EXTRA_BYTES; if( SMALL_OBJ(lb) ) { # ifdef MERGE_SIZES lw = GC_size_map[lb]; @@ -708,6 +724,7 @@ DCL_LOCK_STATE; # endif } else { *opp = obj_link(op); + obj_link(op) = 0; GC_words_allocd += lw; FASTUNLOCK(); } @@ -717,7 +734,7 @@ DCL_LOCK_STATE; lw = BYTES_TO_WORDS(GC_size(op)); } if (op != NULL) - ((word *)op)[lw - 1] = d; + ((word *)op)[lw - 1] = d; return((GC_PTR) op); } @@ -748,11 +765,11 @@ DCL_LOCK_STATE; case SIMPLE: return(GC_malloc_explicitly_typed(n*lb, simple_descr)); case LEAF: lb *= n; - lb += sizeof(struct LeafDescriptor) + EXTRA_BYTES; + lb += sizeof(struct LeafDescriptor) + TYPD_EXTRA_BYTES; break; case COMPLEX: lb *= n; - lb += EXTRA_BYTES; + lb += TYPD_EXTRA_BYTES; break; } if( SMALL_OBJ(lb) ) { @@ -772,6 +789,7 @@ DCL_LOCK_STATE; # endif } else { *opp = obj_link(op); + obj_link(op) = 0; GC_words_allocd += lw; FASTUNLOCK(); } |