diff options
Diffstat (limited to 'boehm-gc/gcconfig.h')
| -rw-r--r-- | boehm-gc/gcconfig.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/boehm-gc/gcconfig.h b/boehm-gc/gcconfig.h index 4cab9c72cd6..84a4b3ccc46 100644 --- a/boehm-gc/gcconfig.h +++ b/boehm-gc/gcconfig.h @@ -1116,11 +1116,20 @@ # define CPP_WORDSZ 64 /* This should really be done through /proc, but that */ /* requires we run on an IA64 kernel. */ -# define STACKBOTTOM ((ptr_t) 0xa000000000000000l) + /* The following works on NUE and older kernels: */ +/* # define STACKBOTTOM ((ptr_t) 0xa000000000000000l) */ + /* This does not work on NUE: */ +# define LINUX_STACKBOTTOM /* We also need the base address of the register stack */ - /* backing store. There is probably a better way to */ - /* get that, too ... */ -# define BACKING_STORE_BASE ((ptr_t) 0x9fffffff80000000l) + /* backing store. There should be a better way to get */ + /* this: */ +# define APPROX_BS_BASE ((word)GC_stackbottom-0x80000000) + /* We round to the next multiple of 1 MB, to compensate */ + /* for the fact that the stack base is displaced by */ + /* the environment, etc. */ +# define BACKING_STORE_BASE \ + (ptr_t)((APPROX_BS_BASE + 0xfffff) & ~0xfffff) + # if 1 # define SEARCH_FOR_DATA_START # define DATASTART GC_data_start |