diff options
Diffstat (limited to 'boehm-gc/malloc.c')
| -rw-r--r-- | boehm-gc/malloc.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/boehm-gc/malloc.c b/boehm-gc/malloc.c index 353a9bc9599..cb3f3766386 100644 --- a/boehm-gc/malloc.c +++ b/boehm-gc/malloc.c @@ -36,6 +36,7 @@ register struct obj_kind * kind; /* Allocate a large block of size lw words. */ /* The block is not cleared. */ /* Flags is 0 or IGNORE_OFF_PAGE. */ +/* We hold the allocation lock. */ ptr_t GC_alloc_large(lw, k, flags) word lw; int k; @@ -62,20 +63,21 @@ unsigned flags; if (h == 0) { result = 0; } else { - int total_bytes = BYTES_TO_WORDS(n_blocks * HBLKSIZE); + int total_bytes = n_blocks * HBLKSIZE; if (n_blocks > 1) { - GC_large_allocd_bytes += n_blocks * HBLKSIZE; + GC_large_allocd_bytes += total_bytes; if (GC_large_allocd_bytes > GC_max_large_allocd_bytes) GC_max_large_allocd_bytes = GC_large_allocd_bytes; } result = (ptr_t) (h -> hb_body); - GC_words_wasted += total_bytes - lw; + GC_words_wasted += BYTES_TO_WORDS(total_bytes) - lw; } return result; } /* Allocate a large block of size lb bytes. Clear if appropriate. */ +/* We hold the allocation lock. */ ptr_t GC_alloc_large_and_clear(lw, k, flags) word lw; int k; @@ -311,6 +313,19 @@ DCL_LOCK_STATE; } # ifdef REDIRECT_MALLOC + +/* Avoid unnecessary nested procedure calls here, by #defining some */ +/* malloc replacements. Otherwise we end up saving a */ +/* meaningless return address in the object. It also speeds things up, */ +/* but it is admittedly quite ugly. */ +# ifdef GC_ADD_CALLER +# define RA GC_RETURN_ADDR, +# else +# define RA +# endif +# define GC_debug_malloc_replacement(lb) \ + GC_debug_malloc(lb, RA "unknown", 0) + # ifdef __STDC__ GC_PTR malloc(size_t lb) # else @@ -363,6 +378,8 @@ DCL_LOCK_STATE; /* and thus the right thing will happen even without overriding it. */ /* This seems to be true on most Linux systems. */ +#undef GC_debug_malloc_replacement + # endif /* REDIRECT_MALLOC */ /* Explicitly deallocate an object p. */ |