[176] | 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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