Mercurial > repos > rhope
comparison runtime/context.h @ 8:8d74ef7fa357
Improved helper macros and added separate Rhope stack in runtime
author | Mike Pavone <pavone@retrodev.com> |
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date | Wed, 13 May 2009 23:37:19 -0400 |
parents | |
children | 079200bc3e75 d2f9b0a9403d |
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7:d61550e2c001 | 8:8d74ef7fa357 |
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1 #ifndef _CONTEXT_H_ | |
2 #define _CONTEXT_H_ | |
3 | |
4 #include "thread.h" | |
5 #include "plat_types.h" | |
6 #include "func.h" | |
7 | |
8 #define STACK_CHUNK_SIZE 4096-(sizeof(struct stackchunk *)*2+sizeof(uint32_t)) | |
9 | |
10 typedef struct stackchunk { | |
11 struct stackchunk * next; | |
12 struct stackchunk * prev; | |
13 uint32_t used; | |
14 char data[STACK_CHUNK_SIZE]; | |
15 } stackchunk; | |
16 | |
17 typedef struct { | |
18 rhope_func func; | |
19 struct calldata *params; | |
20 } unwind_cell; | |
21 | |
22 typedef struct context { | |
23 stackchunk *stack_begin; | |
24 stackchunk *current_stack; | |
25 unwind_cell *unwind; | |
26 } context; | |
27 | |
28 stackchunk * new_stack(); | |
29 context * new_context(); | |
30 void * alloc_stack(context * ct, uint32_t size); | |
31 struct calldata * alloc_cdata(context * ct, uint32_t num_params); | |
32 void free_stack(context * ct, void * data); | |
33 #endif //_CONTEXT_H_ |