1 /* -----------------------------------------------------------------------------
3 * (c) The GHC Team, 1998-2004
7 * NOTE: assumes #include "ghcconfig.h"
9 * NB: THIS FILE IS INCLUDED IN NON-C CODE AND DATA! #defines only please.
10 * ---------------------------------------------------------------------------*/
16 * SUPPORT_LONG_LONGS controls whether we need to support long longs on a
17 * particular platform. On 64-bit platforms, we don't need to support
18 * long longs since regular machine words will do just fine.
20 #if HAVE_LONG_LONG && SIZEOF_VOID_P < 8
21 #define SUPPORT_LONG_LONGS 1
25 * Whether the runtime system will use libbfd for debugging purposes.
27 #if defined(DEBUG) && defined(HAVE_BFD_H) && !defined(_WIN32) && !defined(PAR) && !defined(GRAN)
28 #define USING_LIBBFD 1
31 /* Turn lazy blackholing and eager blackholing on/off.
33 * Using eager blackholing makes things easier to debug because
34 * the blackholes are more predictable - but it's slower and less sexy.
36 * For now, do lazy and not eager.
39 /* TICKY_TICKY needs EAGER_BLACKHOLING to verify no double-entries of
40 * single-entry thunks.
42 * SMP needs EAGER_BLACKHOLING because it has to lock thunks
43 * synchronously, in case another thread is trying to evaluate the
44 * same thunk simultaneously.
46 #if defined(SMP) || defined(TICKY_TICKY)
47 # define EAGER_BLACKHOLING
49 # define LAZY_BLACKHOLING
52 /* TABLES_NEXT_TO_CODE says whether to assume that info tables are
53 * assumed to reside just before the code for a function.
55 * UNDEFINING THIS WON'T WORK ON ITS OWN. You have been warned.
57 #if !defined(USE_MINIINTERPRETER) && !defined(ia64_TARGET_ARCH)
58 #define TABLES_NEXT_TO_CODE
61 /* -----------------------------------------------------------------------------
62 Labels - entry labels & info labels point to the same place in
63 TABLES_NEXT_TO_CODE, so we only generate the _info label. Jumps
64 must therefore be directed to foo_info rather than foo_entry when
65 TABLES_NEXT_TO_CODE is on.
67 This isn't a good place for these macros, but they need to be
68 available to .cmm sources as well as C and we don't have a better
70 -------------------------------------------------------------------------- */
72 #ifdef TABLES_NEXT_TO_CODE
73 #define ENTRY_LBL(f) f##_info
75 #define ENTRY_LBL(f) f##_entry
78 #ifdef TABLES_NEXT_TO_CODE
79 #define RET_LBL(f) f##_info
81 #define RET_LBL(f) f##_ret
84 #endif /* RTSCONFIG_H */