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authorIvan Maidanski <ivmai@mail.ru>2011-07-26 20:09:54 +0400
committerIvan Maidanski <ivmai@mail.ru>2011-07-26 20:09:54 +0400
commite35a4171fe47dfbf847e08988ea6cec4dfc8d124 (patch)
tree25f3501669fbf24a4b370c4f8b0c0701b1da4062 /gcj_mlc.c
parentffa0c9ea38b3dd87e91b5ed2118c74002fed6782 (diff)
downloadbdwgc-e35a4171fe47dfbf847e08988ea6cec4dfc8d124.tar.gz
gc7.0alpha1 tarball importgc7_0alpha1
Diffstat (limited to 'gcj_mlc.c')
-rw-r--r--gcj_mlc.c136
1 files changed, 29 insertions, 107 deletions
diff --git a/gcj_mlc.c b/gcj_mlc.c
index 8b1da826..31aed25e 100644
--- a/gcj_mlc.c
+++ b/gcj_mlc.c
@@ -1,6 +1,6 @@
/*
* Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved.
- * Copyright (c) 1999 by Hewlett-Packard Company. All rights reserved.
+ * Copyright (c) 1999-2004 Hewlett-Packard Development Company, L.P.
*
* THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
* OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
@@ -58,20 +58,16 @@ void GC_init_gcj_malloc(int mp_index, void * /* really GC_mark_proc */mp)
DCL_LOCK_STATE;
GC_init(); /* In case it's not already done. */
- DISABLE_SIGNALS();
LOCK();
if (GC_gcj_malloc_initialized) {
UNLOCK();
- ENABLE_SIGNALS();
return;
}
GC_gcj_malloc_initialized = TRUE;
ignore_gcj_info = (0 != GETENV("GC_IGNORE_GCJ_INFO"));
-# ifdef CONDPRINT
- if (GC_print_stats && ignore_gcj_info) {
- GC_printf0("Gcj-style type information is disabled!\n");
- }
-# endif
+ if (GC_print_stats && ignore_gcj_info) {
+ GC_log_printf("Gcj-style type information is disabled!\n");
+ }
GC_ASSERT(GC_mark_procs[mp_index] == (GC_mark_proc)0); /* unused */
GC_mark_procs[mp_index] = (GC_mark_proc)mp;
if (mp_index >= GC_n_mark_procs) ABORT("GC_init_gcj_malloc: bad index");
@@ -103,16 +99,15 @@ void GC_init_gcj_malloc(int mp_index, void * /* really GC_mark_proc */mp)
FALSE, TRUE);
}
UNLOCK();
- ENABLE_SIGNALS();
}
-ptr_t GC_clear_stack();
+void * GC_clear_stack(void *);
#define GENERAL_MALLOC(lb,k) \
- (GC_PTR)GC_clear_stack(GC_generic_malloc_inner((word)lb, k))
+ GC_clear_stack(GC_generic_malloc_inner((word)lb, k))
#define GENERAL_MALLOC_IOP(lb,k) \
- (GC_PTR)GC_clear_stack(GC_generic_malloc_inner_ignore_off_page(lb, k))
+ GC_clear_stack(GC_generic_malloc_inner_ignore_off_page(lb, k))
/* We need a mechanism to release the lock and invoke finalizers. */
/* We don't really have an opportunity to do this on a rarely executed */
@@ -138,18 +133,14 @@ static void maybe_finalize()
/* This adds a byte at the end of the object if GC_malloc would.*/
void * GC_gcj_malloc(size_t lb, void * ptr_to_struct_containing_descr)
{
-register ptr_t op;
-register ptr_t * opp;
-register word lw;
-DCL_LOCK_STATE;
+ ptr_t op;
+ ptr_t * opp;
+ word lg;
+ DCL_LOCK_STATE;
- if( EXPECT(SMALL_OBJ(lb), 1) ) {
-# ifdef MERGE_SIZES
- lw = GC_size_map[lb];
-# else
- lw = ALIGNED_WORDS(lb);
-# endif
- opp = &(GC_gcjobjfreelist[lw]);
+ if(SMALL_OBJ(lb)) {
+ lg = GC_size_map[lb];
+ opp = &(GC_gcjobjfreelist[lg]);
LOCK();
op = *opp;
if(EXPECT(op == 0, 0)) {
@@ -159,12 +150,10 @@ DCL_LOCK_STATE;
UNLOCK();
return(GC_oom_fn(lb));
}
-# ifdef MERGE_SIZES
- lw = GC_size_map[lb]; /* May have been uninitialized. */
-# endif
+ lw = GC_size_map[lb]; /* May have been uninitialized. */
} else {
*opp = obj_link(op);
- GC_words_allocd += lw;
+ GC_bytes_allocd += GRANULES_TO_BYTES(lg);
}
*(void **)op = ptr_to_struct_containing_descr;
GC_ASSERT(((void **)op)[1] == 0);
@@ -180,15 +169,15 @@ DCL_LOCK_STATE;
*(void **)op = ptr_to_struct_containing_descr;
UNLOCK();
}
- return((GC_PTR) op);
+ return((void *) op);
}
/* Similar to GC_gcj_malloc, but add debug info. This is allocated */
/* with GC_gcj_debug_kind. */
-GC_PTR GC_debug_gcj_malloc(size_t lb, void * ptr_to_struct_containing_descr,
+void * GC_debug_gcj_malloc(size_t lb, void * ptr_to_struct_containing_descr,
GC_EXTRA_PARAMS)
{
- GC_PTR result;
+ void * result;
/* We're careful to avoid extra calls, which could */
/* confuse the backtrace. */
@@ -213,92 +202,25 @@ GC_PTR GC_debug_gcj_malloc(size_t lb, void * ptr_to_struct_containing_descr,
return (GC_store_debug_info(result, (word)lb, s, (word)i));
}
-/* Similar to GC_gcj_malloc, but the size is in words, and we don't */
-/* adjust it. The size is assumed to be such that it can be */
-/* allocated as a small object. */
-void * GC_gcj_fast_malloc(size_t lw, void * ptr_to_struct_containing_descr)
-{
-ptr_t op;
-ptr_t * opp;
-DCL_LOCK_STATE;
-
- opp = &(GC_gcjobjfreelist[lw]);
- LOCK();
- op = *opp;
- if( EXPECT(op == 0, 0) ) {
- maybe_finalize();
- op = (ptr_t)GC_clear_stack(
- GC_generic_malloc_words_small_inner(lw, GC_gcj_kind));
- if (0 == op) {
- UNLOCK();
- return GC_oom_fn(WORDS_TO_BYTES(lw));
- }
- } else {
- *opp = obj_link(op);
- GC_words_allocd += lw;
- }
- *(void **)op = ptr_to_struct_containing_descr;
- UNLOCK();
- return((GC_PTR) op);
-}
-
-/* And a debugging version of the above: */
-void * GC_debug_gcj_fast_malloc(size_t lw,
- void * ptr_to_struct_containing_descr,
- GC_EXTRA_PARAMS)
-{
- GC_PTR result;
- size_t lb = WORDS_TO_BYTES(lw);
-
- /* We clone the code from GC_debug_gcj_malloc, so that we */
- /* dont end up with extra frames on the stack, which could */
- /* confuse the backtrace. */
- LOCK();
- maybe_finalize();
- result = GC_generic_malloc_inner(lb + DEBUG_BYTES, GC_gcj_debug_kind);
- if (result == 0) {
- UNLOCK();
- GC_err_printf2("GC_debug_gcj_fast_malloc(%ld, 0x%lx) returning NIL (",
- (unsigned long) lw,
- (unsigned long) ptr_to_struct_containing_descr);
- GC_err_puts(s);
- GC_err_printf1(":%ld)\n", (unsigned long)i);
- return GC_oom_fn(WORDS_TO_BYTES(lw));
- }
- *((void **)((ptr_t)result + sizeof(oh))) = ptr_to_struct_containing_descr;
- UNLOCK();
- if (!GC_debugging_started) {
- GC_start_debugging();
- }
- ADD_CALL_CHAIN(result, ra);
- return (GC_store_debug_info(result, (word)lb, s, (word)i));
-}
-
void * GC_gcj_malloc_ignore_off_page(size_t lb,
void * ptr_to_struct_containing_descr)
{
-register ptr_t op;
-register ptr_t * opp;
-register word lw;
-DCL_LOCK_STATE;
+ ptr_t op;
+ ptr_t * opp;
+ word lg;
+ DCL_LOCK_STATE;
- if( SMALL_OBJ(lb) ) {
-# ifdef MERGE_SIZES
- lw = GC_size_map[lb];
-# else
- lw = ALIGNED_WORDS(lb);
-# endif
- opp = &(GC_gcjobjfreelist[lw]);
+ if(SMALL_OBJ(lb)) {
+ lg = GC_size_map[lb];
+ opp = &(GC_gcjobjfreelist[lg]);
LOCK();
if( (op = *opp) == 0 ) {
maybe_finalize();
op = (ptr_t)GENERAL_MALLOC_IOP(lb, GC_gcj_kind);
-# ifdef MERGE_SIZES
- lw = GC_size_map[lb]; /* May have been uninitialized. */
-# endif
+ lg = GC_size_map[lb]; /* May have been uninitialized. */
} else {
*opp = obj_link(op);
- GC_words_allocd += lw;
+ GC_bytes_allocd += GRANULES_TO_BYTES(lg);
}
*(void **)op = ptr_to_struct_containing_descr;
UNLOCK();
@@ -311,7 +233,7 @@ DCL_LOCK_STATE;
}
UNLOCK();
}
- return((GC_PTR) op);
+ return((void *) op);
}
#else