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| Rev | Author | Line No. | Line |
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| 7597 | akron1 | 1 | (* |
| 2 | BSD 2-Clause License |
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| 3 | |||
| 4 | Copyright (c) 2019, Anton Krotov |
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| 5 | All rights reserved. |
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| 6 | *) |
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| 7 | |||
| 8 | MODULE LINAPI; |
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| 9 | |||
| 10 | IMPORT SYSTEM, API; |
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| 11 | |||
| 12 | |||
| 13 | TYPE |
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| 14 | |||
| 15 | TP* = API.TP; |
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| 16 | |||
| 17 | |||
| 18 | VAR |
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| 19 | |||
| 20 | argc*, envc*: INTEGER; |
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| 21 | |||
| 22 | libc*, librt*: INTEGER; |
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| 23 | |||
| 24 | stdout*, |
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| 25 | stdin*, |
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| 26 | stderr* : INTEGER; |
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| 27 | |||
| 28 | malloc* : PROCEDURE [linux] (size: INTEGER): INTEGER; |
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| 29 | free* : PROCEDURE [linux] (ptr: INTEGER); |
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| 30 | exit* : PROCEDURE [linux] (code: INTEGER); |
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| 31 | puts* : PROCEDURE [linux] (pStr: INTEGER); |
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| 32 | fwrite*, |
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| 33 | fread* : PROCEDURE [linux] (buffer, bytes, blocks, file: INTEGER): INTEGER; |
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| 34 | fopen* : PROCEDURE [linux] (fname, fmode: INTEGER): INTEGER; |
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| 35 | fclose* : PROCEDURE [linux] (file: INTEGER): INTEGER; |
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| 36 | time* : PROCEDURE [linux] (ptr: INTEGER): INTEGER; |
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| 37 | |||
| 38 | clock_gettime* : PROCEDURE [linux] (clock_id: INTEGER; VAR tp: TP): INTEGER; |
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| 39 | |||
| 40 | |||
| 41 | PROCEDURE dlopen* (filename: ARRAY OF CHAR): INTEGER; |
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| 42 | RETURN API.dlopen(SYSTEM.ADR(filename[0]), 1) |
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| 43 | END dlopen; |
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| 44 | |||
| 45 | |||
| 46 | PROCEDURE dlsym* (handle: INTEGER; symbol: ARRAY OF CHAR): INTEGER; |
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| 47 | RETURN API.dlsym(handle, SYSTEM.ADR(symbol[0])) |
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| 48 | END dlsym; |
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| 49 | |||
| 50 | |||
| 51 | PROCEDURE GetArg* (n: INTEGER; VAR s: ARRAY OF CHAR); |
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| 52 | VAR |
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| 53 | i, len, ptr: INTEGER; |
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| 54 | c: CHAR; |
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| 55 | |||
| 56 | BEGIN |
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| 57 | i := 0; |
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| 58 | len := LEN(s) - 1; |
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| 59 | IF (0 <= n) & (n <= argc + envc) & (n # argc) & (len > 0) THEN |
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| 60 | SYSTEM.GET(API.MainParam + (n + 1) * SYSTEM.SIZE(INTEGER), ptr); |
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| 61 | REPEAT |
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| 62 | SYSTEM.GET(ptr, c); |
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| 63 | s[i] := c; |
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| 64 | INC(i); |
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| 65 | INC(ptr) |
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| 66 | UNTIL (c = 0X) OR (i = len) |
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| 67 | END; |
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| 68 | s[i] := 0X |
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| 69 | END GetArg; |
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| 70 | |||
| 71 | |||
| 72 | PROCEDURE GetEnv* (n: INTEGER; VAR s: ARRAY OF CHAR); |
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| 73 | BEGIN |
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| 74 | IF (0 <= n) & (n < envc) THEN |
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| 75 | GetArg(n + argc + 1, s) |
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| 76 | ELSE |
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| 77 | s[0] := 0X |
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| 78 | END |
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| 79 | END GetEnv; |
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| 80 | |||
| 81 | |||
| 82 | PROCEDURE init; |
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| 83 | VAR |
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| 84 | ptr: INTEGER; |
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| 85 | |||
| 86 | BEGIN |
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| 87 | envc := -1; |
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| 88 | SYSTEM.GET(API.MainParam, argc); |
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| 89 | REPEAT |
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| 90 | SYSTEM.GET(API.MainParam + (envc + argc + 3) * SYSTEM.SIZE(INTEGER), ptr); |
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| 91 | INC(envc) |
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| 92 | UNTIL ptr = 0; |
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| 93 | |||
| 94 | libc := API.libc; |
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| 95 | |||
| 96 | stdout := API.stdout; |
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| 97 | stdin := API.stdin; |
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| 98 | stderr := API.stderr; |
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| 99 | |||
| 100 | malloc := API.malloc; |
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| 101 | free := API.free; |
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| 102 | exit := API._exit; |
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| 103 | puts := API.puts; |
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| 104 | fwrite := API.fwrite; |
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| 105 | fread := API.fread; |
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| 106 | fopen := API.fopen; |
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| 107 | fclose := API.fclose; |
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| 108 | time := API.time; |
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| 109 | |||
| 110 | librt := API.librt; |
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| 111 | |||
| 112 | clock_gettime := API.clock_gettime |
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| 113 | END init; |
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| 114 | |||
| 115 | |||
| 116 | PROCEDURE [stdcall-] syscall* (eax, ebx, ecx, edx, esi, edi: INTEGER): INTEGER; |
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| 117 | BEGIN |
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| 118 | SYSTEM.CODE( |
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| 119 | 053H, (* push ebx *) |
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| 120 | 056H, (* push esi *) |
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| 121 | 057H, (* push edi *) |
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| 122 | 08BH, 045H, 008H, (* mov eax, dword [ebp + 8] *) |
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| 123 | 08BH, 05DH, 00CH, (* mov ebx, dword [ebp + 12] *) |
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| 124 | 08BH, 04DH, 010H, (* mov ecx, dword [ebp + 16] *) |
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| 125 | 08BH, 055H, 014H, (* mov edx, dword [ebp + 20] *) |
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| 126 | 08BH, 075H, 018H, (* mov esi, dword [ebp + 24] *) |
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| 127 | 08BH, 07DH, 01CH, (* mov edi, dword [ebp + 28] *) |
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| 128 | 0CDH, 080H, (* int 128 *) |
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| 129 | 05FH, (* pop edi *) |
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| 130 | 05EH, (* pop esi *) |
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| 131 | 05BH, (* pop ebx *) |
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| 132 | 0C9H, (* leave *) |
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| 133 | 0C2H, 018H, 000H (* ret 24 *) |
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| 134 | ) |
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| 135 | RETURN 0 |
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| 136 | END syscall; |
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| 137 | |||
| 138 | |||
| 139 | BEGIN |
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| 140 | init |
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| 141 | END LINAPI. |