Make the dynamic linker thread-safe.
[ghc.git] / compiler / HsVersions.h
1 #ifndef HSVERSIONS_H
2 #define HSVERSIONS_H
3
4 #if 0
5
6 IMPORTANT! If you put extra tabs/spaces in these macro definitions,
7 you will screw up the layout where they are used in case expressions!
8
9 (This is cpp-dependent, of course)
10
11 #endif
12
13 /* Useful in the headers that we share with the RTS */
14 #define COMPILING_GHC 1
15
16 /* Pull in all the platform defines for this build (foo_TARGET_ARCH etc.) */
17 #include "ghc_boot_platform.h"
18
19 /* Pull in the autoconf defines (HAVE_FOO), but don't include
20 * ghcconfig.h, because that will include ghcplatform.h which has the
21 * wrong platform settings for the compiler (it has the platform
22 * settings for the target plat instead). */
23 #include "../includes/ghcautoconf.h"
24
25 /* Global variables may not work in other Haskell implementations,
26 * but we need them currently! so the conditional on GLASGOW won't do. */
27 #ifndef __HADDOCK__
28 #if defined(__GLASGOW_HASKELL__) || !defined(__GLASGOW_HASKELL__)
29 #define GLOBAL_VAR(name,value,ty) \
30 {-# NOINLINE name #-}; \
31 name :: IORef (ty); \
32 name = Util.global (value);
33
34 #define GLOBAL_MVAR(name,value,ty) \
35 {-# NOINLINE name #-}; \
36 name :: MVar (ty); \
37 name = Util.globalMVar (value);
38 #endif
39 #else /* __HADDOCK__ */
40 #define GLOBAL_VAR(name,value,ty) \
41 name :: IORef (ty); \
42 name = Util.global (value);
43
44 #define GLOBAL_MVAR(name,value,ty) \
45 name :: MVar (ty); \
46 name = Util.globalMVar (value);
47 #endif
48
49 #define COMMA ,
50
51 #ifdef DEBUG
52 #define ASSERT(e) if (not (e)) then (assertPanic __FILE__ __LINE__) else
53 #define ASSERT2(e,msg) if (not (e)) then (assertPprPanic __FILE__ __LINE__ (msg)) else
54 #define MASSERT(e) ASSERT(e) return ()
55 #define MASSERT2(e,msg) ASSERT2(e,msg) return ()
56 #define WARN( e, msg ) (warnPprTrace (e) __FILE__ __LINE__ (msg))
57 #define ASSERTM(mbool) do { bool <- mbool; ASSERT(bool) return () }
58 #define ASSERTM2(mbool,msg) do { bool <- mbool; ASSERT2(bool,msg) return () }
59 #else
60 -- We have to actually use all the variables we are given or we may get
61 -- unused variable warnings when DEBUG is off.
62 #define ASSERT(e) if False && (not (e)) then panic "ASSERT" else
63 #define ASSERT2(e,msg) if False && (const False (e,msg)) then pprPanic "ASSERT2" (msg) else
64 #define MASSERT(e) ASSERT(e) return ()
65 #define MASSERT2(e,msg) ASSERT2(e,msg) return ()
66 #define ASSERTM(e) do { let { _mbool = (e) } }
67 -- Here we deliberately don't use when as Control.Monad might not be imported
68 #define ASSERTM2(e,msg) do { let { _mbool = (e) }; if False then panic "ASSERTM2" else return () }
69 #define WARN(e,msg) if False && (e) then pprPanic "WARN" (msg) else
70 #endif
71
72 -- Useful for declaring arguments to be strict
73 #define STRICT1(f) f a | a `seq` False = undefined
74 #define STRICT2(f) f a b | a `seq` b `seq` False = undefined
75 #define STRICT3(f) f a b c | a `seq` b `seq` c `seq` False = undefined
76 #define STRICT4(f) f a b c d | a `seq` b `seq` c `seq` d `seq` False = undefined
77 #define STRICT5(f) f a b c d e | a `seq` b `seq` c `seq` d `seq` e `seq` False = undefined
78 #define STRICT6(f) f a b c d e f | a `seq` b `seq` c `seq` d `seq` e `seq` f `seq` False = undefined
79
80 #endif /* HsVersions.h */
81