Declare RTS-private prototypes with __attribute__((visibility("hidden")))
[ghc.git] / rts / LdvProfile.h
1 /* -----------------------------------------------------------------------------
2 *
3 * (c) The GHC Team, 2001
4 * Author: Sungwoo Park
5 *
6 * Lag/Drag/Void profiling.
7 *
8 * ---------------------------------------------------------------------------*/
9
10 #ifndef LDVPROFILE_H
11 #define LDVPROFILE_H
12
13 #ifdef PROFILING
14
15 #include "ProfHeap.h"
16
17 RTS_PRIVATE void LdvCensusForDead ( nat );
18 RTS_PRIVATE void LdvCensusKillAll ( void );
19
20 // Creates a 0-filled slop of size 'howManyBackwards' backwards from the
21 // address 'from'.
22 //
23 // Invoked when:
24 // 1) Hp is incremented and exceeds HpLim (in Updates.hc).
25 // 2) copypart() is called (in GC.c).
26 #define LDV_FILL_SLOP(from, howMany) \
27 if (era > 0) { \
28 int i; \
29 for (i = 0;i < (howMany); i++) \
30 ((StgWord *)(from))[i] = 0; \
31 }
32
33 // Informs the LDV profiler that closure c has just been evacuated.
34 // Evacuated objects are no longer needed, so we just store its original size in
35 // the LDV field.
36 #define SET_EVACUAEE_FOR_LDV(c, size) \
37 LDVW((c)) = (size)
38
39 #endif /* PROFILING */
40
41 #endif /* LDVPROFILE_H */