Rev 7983 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
7983 | leency | 1 | (* |
7597 | akron1 | 2 | BSD 2-Clause License |
3 | |||
8097 | maxcodehac | 4 | Copyright (c) 2018-2020, Anton Krotov |
7597 | akron1 | 5 | All rights reserved. |
6 | *) |
||
7 | |||
8 | MODULE KOS; |
||
9 | |||
10 | IMPORT BIN, WR := WRITER, LISTS, CHL := CHUNKLISTS; |
||
11 | |||
12 | |||
13 | CONST |
||
14 | |||
15 | HEADER_SIZE = 36; |
||
16 | |||
17 | SIZE_OF_DWORD = 4; |
||
18 | |||
19 | |||
20 | TYPE |
||
21 | |||
22 | HEADER = RECORD |
||
23 | |||
24 | menuet01: ARRAY 9 OF CHAR; |
||
25 | ver, start, size, mem, sp, param, path: INTEGER |
||
26 | |||
27 | END; |
||
28 | |||
29 | |||
30 | PROCEDURE Import* (program: BIN.PROGRAM; idata: INTEGER; VAR ImportTable: CHL.INTLIST; VAR len, libcount, size: INTEGER); |
||
31 | VAR |
||
8097 | maxcodehac | 32 | i: INTEGER; |
33 | imp: BIN.IMPRT; |
||
7597 | akron1 | 34 | |
35 | BEGIN |
||
36 | libcount := 0; |
||
8097 | maxcodehac | 37 | imp := program.imp_list.first(BIN.IMPRT); |
38 | WHILE imp # NIL DO |
||
39 | IF imp.label = 0 THEN |
||
7597 | akron1 | 40 | INC(libcount) |
41 | END; |
||
8097 | maxcodehac | 42 | imp := imp.next(BIN.IMPRT) |
7597 | akron1 | 43 | END; |
44 | |||
45 | len := libcount * 2 + 2; |
||
46 | size := (LISTS.count(program.imp_list) + len + 1) * SIZE_OF_DWORD; |
||
47 | |||
48 | ImportTable := CHL.CreateIntList(); |
||
49 | FOR i := 0 TO size DIV SIZE_OF_DWORD - 1 DO |
||
50 | CHL.PushInt(ImportTable, 0) |
||
51 | END; |
||
52 | |||
53 | i := 0; |
||
8097 | maxcodehac | 54 | imp := program.imp_list.first(BIN.IMPRT); |
55 | WHILE imp # NIL DO |
||
7597 | akron1 | 56 | |
8097 | maxcodehac | 57 | IF imp.label = 0 THEN |
7597 | akron1 | 58 | CHL.SetInt(ImportTable, len, 0); |
59 | INC(len); |
||
60 | CHL.SetInt(ImportTable, i, idata + len * SIZE_OF_DWORD); |
||
61 | INC(i); |
||
8097 | maxcodehac | 62 | CHL.SetInt(ImportTable, i, imp.nameoffs + size + idata); |
7597 | akron1 | 63 | INC(i) |
64 | ELSE |
||
8097 | maxcodehac | 65 | CHL.SetInt(ImportTable, len, imp.nameoffs + size + idata); |
66 | imp.label := len * SIZE_OF_DWORD; |
||
7597 | akron1 | 67 | INC(len) |
68 | END; |
||
69 | |||
8097 | maxcodehac | 70 | imp := imp.next(BIN.IMPRT) |
7597 | akron1 | 71 | END; |
72 | CHL.SetInt(ImportTable, len, 0); |
||
73 | CHL.SetInt(ImportTable, i, 0); |
||
74 | CHL.SetInt(ImportTable, i + 1, 0); |
||
75 | INC(len); |
||
8097 | maxcodehac | 76 | INC(size, CHL.Length(program._import)) |
7597 | akron1 | 77 | END Import; |
78 | |||
79 | |||
80 | PROCEDURE write* (program: BIN.PROGRAM; FileName: ARRAY OF CHAR); |
||
81 | |||
82 | CONST |
||
83 | |||
84 | PARAM_SIZE = 2048; |
||
85 | FileAlignment = 16; |
||
86 | |||
87 | |||
88 | VAR |
||
89 | header: HEADER; |
||
90 | |||
8097 | maxcodehac | 91 | base, text, data, idata, bss, offset: INTEGER; |
7597 | akron1 | 92 | |
93 | reloc: BIN.RELOC; |
||
94 | iproc: BIN.IMPRT; |
||
95 | L: INTEGER; |
||
96 | delta: INTEGER; |
||
97 | |||
98 | i: INTEGER; |
||
99 | |||
100 | ImportTable: CHL.INTLIST; |
||
101 | ILen, libcount, isize: INTEGER; |
||
102 | |||
103 | icount, dcount, ccount: INTEGER; |
||
104 | |||
7983 | leency | 105 | code: CHL.BYTELIST; |
7597 | akron1 | 106 | |
107 | BEGIN |
||
108 | base := 0; |
||
109 | |||
8097 | maxcodehac | 110 | icount := CHL.Length(program._import); |
7597 | akron1 | 111 | dcount := CHL.Length(program.data); |
112 | ccount := CHL.Length(program.code); |
||
113 | |||
114 | text := base + HEADER_SIZE; |
||
8097 | maxcodehac | 115 | data := WR.align(text + ccount, FileAlignment); |
116 | idata := WR.align(data + dcount, FileAlignment); |
||
7597 | akron1 | 117 | |
118 | Import(program, idata, ImportTable, ILen, libcount, isize); |
||
119 | |||
8097 | maxcodehac | 120 | bss := WR.align(idata + isize, FileAlignment); |
7597 | akron1 | 121 | |
122 | header.menuet01 := "MENUET01"; |
||
123 | header.ver := 1; |
||
124 | header.start := text; |
||
125 | header.size := idata + isize - base; |
||
8097 | maxcodehac | 126 | header.mem := WR.align(header.size + program.stack + program.bss + PARAM_SIZE * 2 + 4096, FileAlignment); |
7597 | akron1 | 127 | header.sp := base + header.mem - PARAM_SIZE * 2; |
128 | header.param := header.sp; |
||
129 | header.path := header.param + PARAM_SIZE; |
||
130 | |||
7983 | leency | 131 | code := program.code; |
7597 | akron1 | 132 | reloc := program.rel_list.first(BIN.RELOC); |
133 | WHILE reloc # NIL DO |
||
134 | |||
8097 | maxcodehac | 135 | offset := reloc.offset; |
136 | L := BIN.get32le(code, offset); |
||
137 | delta := 3 - offset - text; |
||
7597 | akron1 | 138 | |
139 | CASE reloc.opcode OF |
||
140 | |||
141 | |BIN.RIMP: |
||
142 | iproc := BIN.GetIProc(program, L); |
||
8097 | maxcodehac | 143 | delta := idata + iproc.label |
7597 | akron1 | 144 | |
145 | |BIN.RBSS: |
||
8097 | maxcodehac | 146 | delta := L + bss |
7597 | akron1 | 147 | |
148 | |BIN.RDATA: |
||
8097 | maxcodehac | 149 | delta := L + data |
7597 | akron1 | 150 | |
151 | |BIN.RCODE: |
||
8097 | maxcodehac | 152 | delta := BIN.GetLabel(program, L) + text |
7597 | akron1 | 153 | |
154 | |BIN.PICDATA: |
||
8097 | maxcodehac | 155 | INC(delta, L + data) |
7597 | akron1 | 156 | |
157 | |BIN.PICCODE: |
||
8097 | maxcodehac | 158 | INC(delta, BIN.GetLabel(program, L) + text) |
7597 | akron1 | 159 | |
160 | |BIN.PICBSS: |
||
8097 | maxcodehac | 161 | INC(delta, L + bss) |
7597 | akron1 | 162 | |
163 | |BIN.PICIMP: |
||
164 | iproc := BIN.GetIProc(program, L); |
||
8097 | maxcodehac | 165 | INC(delta, idata + iproc.label) |
7597 | akron1 | 166 | |
167 | |BIN.IMPTAB: |
||
8097 | maxcodehac | 168 | INC(delta, idata) |
7597 | akron1 | 169 | |
170 | END; |
||
8097 | maxcodehac | 171 | BIN.put32le(code, offset, delta); |
7597 | akron1 | 172 | |
173 | reloc := reloc.next(BIN.RELOC) |
||
174 | END; |
||
175 | |||
8097 | maxcodehac | 176 | WR.Create(FileName); |
7597 | akron1 | 177 | |
178 | FOR i := 0 TO 7 DO |
||
8097 | maxcodehac | 179 | WR.WriteByte(ORD(header.menuet01[i])) |
7597 | akron1 | 180 | END; |
181 | |||
8097 | maxcodehac | 182 | WR.Write32LE(header.ver); |
183 | WR.Write32LE(header.start); |
||
184 | WR.Write32LE(header.size); |
||
185 | WR.Write32LE(header.mem); |
||
186 | WR.Write32LE(header.sp); |
||
187 | WR.Write32LE(header.param); |
||
188 | WR.Write32LE(header.path); |
||
7693 | akron1 | 189 | |
8097 | maxcodehac | 190 | CHL.WriteToFile(code); |
191 | WR.Padding(FileAlignment); |
||
7597 | akron1 | 192 | |
8097 | maxcodehac | 193 | CHL.WriteToFile(program.data); |
194 | WR.Padding(FileAlignment); |
||
7597 | akron1 | 195 | |
196 | FOR i := 0 TO ILen - 1 DO |
||
8097 | maxcodehac | 197 | WR.Write32LE(CHL.GetInt(ImportTable, i)) |
7693 | akron1 | 198 | END; |
199 | |||
8097 | maxcodehac | 200 | CHL.WriteToFile(program._import); |
7597 | akron1 | 201 | |
8097 | maxcodehac | 202 | WR.Close |
7597 | akron1 | 203 | END write; |
204 | |||
205 | |||
7983 | leency | 206 | END KOS. |