1 | /* |
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2 | * swift_dfg.h |
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3 | * |
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4 | * (c) 2009 Ionut Rosoiu <ionut.rosoiu@gmail.com> |
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5 | * |
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6 | */ |
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7 | |
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8 | #ifndef SWIFT_DFG_H_ |
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9 | #define SWIFT_DFG_H_ |
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10 | |
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11 | #include "swift_declarations.h" |
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12 | #include "swift_common.h" |
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13 | |
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14 | #define SWIFT_FRAME_END_PARALLEL 0x01 /*< by ending this frame the parallel region has finished */ |
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15 | |
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16 | #define SWIFT_FRAME_SET_END_PARALLEL(frame) \ |
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17 | ((frame)->flags |= SWIFT_FRAME_END_PARALLEL) |
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18 | |
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19 | #define SWIFT_FRAME_IS_END_PARALLEL(frame) \ |
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20 | ((frame)->flags & SWIFT_FRAME_END_PARALLEL) |
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21 | |
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22 | #define SWIFT_FRAME_ID_MASK 0x0000FFFF |
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23 | #define SWIFT_FRAME_ID_OFFSET 0 |
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24 | #define SWIFT_FRAME_NAME_MASK 0x00FF0000 |
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25 | #define SWIFT_FRAME_NAME_OFFSET 16 |
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26 | #define SWIFT_PROC_MASK 0xFF000000 |
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27 | #define SWIFT_PROC_OFFSET 24 |
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28 | |
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29 | #define SWIFT_FRAME_ID(v) ((v) & SWIFT_FRAME_ID_MASK) >> SWIFT_FRAME_ID_OFFSET |
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30 | #define SWIFT_FRAME_NAME(v) (char)(((v) & SWIFT_FRAME_NAME_MASK) >> SWIFT_FRAME_NAME_OFFSET) |
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31 | #define SWIFT_PROC(v) ((v) & SWIFT_PROC_MASK) >> SWIFT_PROC_OFFSET |
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32 | |
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33 | #if LOGGING_ON |
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34 | #define SWIFT_WRITE_FRAME_INFO(frame, proc, name, id) \ |
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35 | frame->info = ((proc << SWIFT_PROC_OFFSET) & SWIFT_PROC_MASK) | \ |
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36 | ((name << SWIFT_FRAME_NAME_OFFSET) & SWIFT_FRAME_NAME_MASK) | \ |
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37 | ((id << SWIFT_FRAME_ID_OFFSET) & SWIFT_FRAME_ID_MASK) |
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38 | #else |
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39 | #define SWIFT_WRITE_FRAME_INFO(frame, proc, name, id) |
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40 | #endif |
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41 | |
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42 | /** |
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43 | * The closure for this frame |
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44 | */ |
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45 | typedef void (*swift_closure_handler)(swift_thread_t *thread, struct swift_frame* frame); |
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46 | |
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47 | /** |
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48 | * The handler to be executed when the frame is finished |
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49 | */ |
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50 | typedef void (*swift_frame_finished_handler)(swift_thread_t *thread, struct swift_frame* frame); |
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51 | |
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52 | struct swift_frame { |
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53 | volatile int flags; /*< frame flags */ |
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54 | |
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55 | #ifdef LOGGING_ON |
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56 | volatile int info; /*< TODO: frame info (temporary, for debug) */ |
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57 | int dbg; |
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58 | swift_id_t creator_id; /*< the id of the initial creator for the frame */ |
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59 | #endif |
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60 | |
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61 | swift_closure_handler closure; /*< the closure for this frame */ |
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62 | |
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63 | volatile int dependencies_no; /*< the number of unavailable variables */ |
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64 | struct swift_frame *dependencies_frame; /*< the frame that awaits the unavailable data */ |
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65 | |
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66 | // closure-dependent data |
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67 | void *private_data; /*< private data related to each specific closure |
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68 | this gets deallocated when the frame is retired |
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69 | */ |
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70 | |
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71 | swift_size_t *sync_frames_remaining; /*< the number to decrement when finishing execution of this frame */ |
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72 | |
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73 | // doubly-linked list |
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74 | struct swift_frame *prev; |
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75 | struct swift_frame *next; |
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76 | }; |
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77 | |
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78 | |
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79 | #endif /* SWIFT_DFG_H_ */ |
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