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comparison src/allocate.c @ 6:59c1086467f9

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fix
author Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
date Fri, 20 Mar 2015 19:58:02 +0900
parents b8066055e295
children ad48a076a8e5
comparison
equal deleted inserted replaced
5:b8066055e295 6:59c1086467f9
9 #endif 9 #endif
10 10
11 #define SIZE 1024 11 #define SIZE 1024
12 12
13 typedef struct DataSegment1 { 13 typedef struct DataSegment1 {
14 int i; // 4 byte 14 int i; // 4 byte
15 char c; // 1 byte 15 char c[10]; // 10 byte
16 // padding 3 byte 16 // padding 2 byte
17 } ds, *dsptr; // 8 byte 17 } ds;
18 18
19 typedef struct metaDataSegment1 { 19 typedef struct metaDataSegment1 {
20 size_t size; // 8 byte 20 size_t size; // 8 byte
21 dsptr ds; // 8 byte 21 ds* ds; // 8 byte
22 } mds, *mdsptr; // 16 byte 22 } mds;
23 23
24 typedef struct Context { 24 typedef struct Context_st {
25 dsptr ds; 25 ds* ds;
26 mdsptr mds; 26 mds* mds;
27 dsptr ds_heap; 27 ds* ds_heap;
28 mdsptr mds_heap; 28 mds* mds_heap;
29 } context, *contextptr; 29 } Context;
30 30
31 __code start_code(contextptr context) { 31 __code start_code(Context* context) {
32 goto meta_start_code(context); 32 goto meta_start_code(context);
33 } 33 }
34 34
35 __code meta_start_code(contextptr context) { 35 __code meta_start_code(Context* context) {
36 goto code1(context); 36 goto code1(context);
37 } 37 }
38 38
39 __code code1(contextptr context) { 39 __code code1(Context* context) {
40 goto meta_code1(context); 40 goto meta_code1(context);
41 } 41 }
42 42
43 __code meta_code1(contextptr context) { 43 __code meta_code1(Context* context) {
44 goto allocate(context, SIZE); 44 goto allocate(context, SIZE);
45 } 45 }
46 46
47 __code allocate(contextptr context, int size) { 47 __code allocate(Context* context, int size) {
48 dsptr in = context->ds; 48 ds* in = context->ds;
49 context->ds += size; 49 context->ds += size;
50 context->mds->ds = in; 50 context->mds->ds = in;
51 context->mds->size = context->ds - in; 51 context->mds->size = context->ds - in;
52 context->mds++; 52 context->mds++;
53 goto meta_allocate(context, in); 53 goto meta_allocate(context, in);
54 } 54 }
55 55
56 __code meta_allocate(contextptr context, dsptr in) { 56 __code meta_allocate(Context* context, ds* in) {
57 goto exit_code(context, in, 0); 57 goto exit_code(context, in, 0);
58 } 58 }
59 59
60 __code exit_code(contextptr context, dsptr in, int i) { 60 __code exit_code(Context* context, ds* in, int i) {
61 in[i].i = i; 61 in[i].i = i;
62 printf("%d\n", in[i].i);
63 if (i == SIZE) { 62 if (i == SIZE) {
64 free(context->ds_heap); 63 free(context->ds_heap);
65 free(context->mds_heap); 64 free(context->mds_heap);
66 goto exit(0); 65 goto exit(0);
67 } 66 }
68 goto exit_code(context, in, ++i); 67 goto exit_code(context, in, ++i);
69 } 68 }
70 69
71 int main() { 70 int main() {
72 contextptr context = (contextptr)malloc(sizeof(contextptr)); 71 Context* context = (Context*)malloc(sizeof(Context));
73 context->ds_heap = (dsptr)malloc(1024); 72 context->ds_heap = (ds*)malloc(1024);
74 context->mds_heap = (mdsptr)malloc(1024); 73 context->mds_heap = (mds*)malloc(1024);
75 context->ds = context->ds_heap; 74 context->ds = context->ds_heap;
76 context->mds = context->mds_heap; 75 context->mds = context->mds_heap;
77 goto start_code(context); 76 goto start_code(context);
78 } 77 }