diff options
Diffstat (limited to 'gcc/java/boehm.c')
| -rw-r--r-- | gcc/java/boehm.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gcc/java/boehm.c b/gcc/java/boehm.c index 1bfe9e5..6ea5944 100644 --- a/gcc/java/boehm.c +++ b/gcc/java/boehm.c @@ -1,5 +1,5 @@ /* Functions related to the Boehm garbage collector. - Copyright (C) 2000, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2000, 2003, 2004, 2006 Free Software Foundation, Inc. This file is part of GCC. @@ -184,7 +184,7 @@ get_boehm_type_descriptor (tree type) /* If the object is all pointers, or if the part with pointers fits in our bitmap, then we are ok. Otherwise we have to allocate it a different way. */ - if (all_bits_set != -1) + if (all_bits_set != -1 || (pointer_after_end && flag_reduced_reflection)) { /* In this case the initial part of the object is all reference fields, and the end of the object is all non-reference @@ -193,7 +193,12 @@ get_boehm_type_descriptor (tree type) this: value = DS_LENGTH | WORDS_TO_BYTES (last_set_index + 1); DS_LENGTH is 0. - WORDS_TO_BYTES shifts by log2(bytes-per-pointer). */ + WORDS_TO_BYTES shifts by log2(bytes-per-pointer). + + In the case of flag_reduced_reflection and the bitmap would + overflow, we tell the gc that the object is all pointers so + that we don't have to emit reflection data for run time + marking. */ count = 0; low = 0; high = 0; |