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annotate runtime/context.h @ 8:8d74ef7fa357

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Improved helper macros and added separate Rhope stack in runtime
author Mike Pavone <pavone@retrodev.com>
date Wed, 13 May 2009 23:37:19 -0400
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children 079200bc3e75 d2f9b0a9403d
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8d74ef7fa357 Improved helper macros and added separate Rhope stack in runtime
Mike Pavone <pavone@retrodev.com>
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1 #ifndef _CONTEXT_H_
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2 #define _CONTEXT_H_
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3
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4 #include "thread.h"
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5 #include "plat_types.h"
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6 #include "func.h"
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7
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8 #define STACK_CHUNK_SIZE 4096-(sizeof(struct stackchunk *)*2+sizeof(uint32_t))
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9
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10 typedef struct stackchunk {
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11 struct stackchunk * next;
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12 struct stackchunk * prev;
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13 uint32_t used;
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14 char data[STACK_CHUNK_SIZE];
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15 } stackchunk;
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16
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17 typedef struct {
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18 rhope_func func;
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19 struct calldata *params;
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20 } unwind_cell;
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22 typedef struct context {
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23 stackchunk *stack_begin;
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24 stackchunk *current_stack;
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25 unwind_cell *unwind;
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26 } context;
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27
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28 stackchunk * new_stack();
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29 context * new_context();
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30 void * alloc_stack(context * ct, uint32_t size);
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31 struct calldata * alloc_cdata(context * ct, uint32_t num_params);
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32 void free_stack(context * ct, void * data);
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33 #endif //_CONTEXT_H_