/programs/develop/oberon07/tools/RVMxI.ob07 |
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0,0 → 1,668 |
(* |
BSD 2-Clause License |
Copyright (c) 2020-2021, Anton Krotov |
All rights reserved. |
*) |
(* |
RVMxI executor and disassembler |
Usage: |
RVMxI.exe <program file> -run [program parameters] |
RVMxI.exe <program file> -dis <output file> |
*) |
MODULE RVMxI; |
IMPORT SYSTEM, File, Args, Out, API, HOST; |
CONST |
szWORD = HOST.bit_depth DIV 8; |
opSTOP = 0; opRET = 1; opENTER = 2; opNEG = 3; opNOT = 4; opNOP = 5; |
opXCHG = 6; opLDB = 7; opLDH = 8; opLDW = 9; opPUSH = 10; opPUSHC = 11; |
opPOP = 12; opLABEL = 13; opLEA = 14; opLLA = 15; |
opLDD = 16; (* 17, 18 *) |
opJMP = 19; opCALL = 20; opCALLI = 21; |
opMOV = 22; opMUL = 24; opADD = 26; opSUB = 28; opDIV = 30; opMOD = 32; |
opSTB = 34; opSTH = 36; opSTW = 38; opSTD = 40; (* 42, 44 *) |
opAND = 46; opOR = 48; opXOR = 50; opASR = 52; opLSR = 54; |
opLSL = 56; opROR = 58; (* 60, 62 *) opCMP = 64; |
opMOVC = 23; opMULC = 25; opADDC = 27; opSUBC = 29; opDIVC = 31; opMODC = 33; |
opSTBC = 35; opSTHC = 37; opSTWC = 39; opSTDC = 41; (* 43, 45 *) |
opANDC = 47; opORC = 49; opXORC = 51; opASRC = 53; opLSRC = 55; |
opLSLC = 57; opRORC = 59; (* 61, 63 *) opCMPC = 65; |
opBIT = 66; opSYSCALL = 67; opJBT = 68; opADDRC = 69; |
opJEQ = 70; opJNE = 71; opJLT = 72; opJGE = 73; opJGT = 74; opJLE = 75; |
opSEQ = 76; opSNE = 77; opSLT = 78; opSGE = 79; opSGT = 80; opSLE = 81; |
nREG = 16; |
ACC = 0; BP = 3; SP = 4; |
Types = 0; |
Strings = 1; |
Global = 2; |
Heap = 3; |
Stack = 4; |
TYPE |
COMMAND = POINTER TO RECORD |
op, param1, param2: INTEGER; |
next, prev: COMMAND |
END; |
LABELS = ARRAY 30000 OF COMMAND; |
SECTIONS = ARRAY 5 OF INTEGER; |
VAR |
Sections: SECTIONS; |
first, last: COMMAND; |
Labels: LABELS; |
F: INTEGER; buf: ARRAY 65536 OF BYTE; cnt: INTEGER; |
PROCEDURE syscall (ptr: INTEGER); |
VAR |
fn, r, n: INTEGER; |
proc2: PROCEDURE (a, b: INTEGER): INTEGER; |
proc3: PROCEDURE (a, b, c: INTEGER): INTEGER; |
proc4: PROCEDURE (a, b, c, d: INTEGER): INTEGER; |
r1, r2: REAL; |
PROCEDURE GetInt (ptr, n: INTEGER): INTEGER; |
BEGIN |
SYSTEM.GET(ptr + SYSTEM.SIZE(INTEGER) * n, n) |
RETURN n |
END GetInt; |
PROCEDURE GetReal (ptr, n: INTEGER): REAL; |
VAR |
r: REAL; |
BEGIN |
SYSTEM.GET(ptr + SYSTEM.SIZE(INTEGER) * n, r) |
RETURN r |
END GetReal; |
BEGIN |
fn := GetInt(ptr, 0); |
CASE fn OF |
| 0: |
HOST.ExitProcess(GetInt(ptr, 1)) |
| 1: |
SYSTEM.PUT(SYSTEM.ADR(proc2), SYSTEM.ADR(HOST.GetCurrentDirectory)); |
r := proc2(GetInt(ptr, 1), GetInt(ptr, 2)) |
| 2: |
n := GetInt(ptr, 1); |
SYSTEM.PUT(SYSTEM.ADR(proc3), SYSTEM.ADR(HOST.GetArg)); |
r := proc3(n - ORD(n = 0) + 2, GetInt(ptr, 2), GetInt(ptr, 3)) |
| 3: |
SYSTEM.PUT(SYSTEM.ADR(proc4), SYSTEM.ADR(HOST.FileRead)); |
SYSTEM.PUT(ptr, proc4(GetInt(ptr, 1), GetInt(ptr, 2), GetInt(ptr, 3), GetInt(ptr, 4))) |
| 4: |
SYSTEM.PUT(SYSTEM.ADR(proc4), SYSTEM.ADR(HOST.FileWrite)); |
SYSTEM.PUT(ptr, proc4(GetInt(ptr, 1), GetInt(ptr, 2), GetInt(ptr, 3), GetInt(ptr, 4))) |
| 5: |
SYSTEM.PUT(SYSTEM.ADR(proc2), SYSTEM.ADR(HOST.FileCreate)); |
SYSTEM.PUT(ptr, proc2(GetInt(ptr, 1), GetInt(ptr, 2))) |
| 6: |
HOST.FileClose(GetInt(ptr, 1)) |
| 7: |
SYSTEM.PUT(SYSTEM.ADR(proc2), SYSTEM.ADR(HOST.FileOpen)); |
SYSTEM.PUT(ptr, proc2(GetInt(ptr, 1), GetInt(ptr, 2))) |
| 8: |
HOST.OutChar(CHR(GetInt(ptr, 1))) |
| 9: |
SYSTEM.PUT(ptr, HOST.GetTickCount()) |
|10: |
SYSTEM.PUT(ptr, HOST.UnixTime()) |
|11: |
SYSTEM.PUT(SYSTEM.ADR(proc2), SYSTEM.ADR(HOST.isRelative)); |
SYSTEM.PUT(ptr, proc2(GetInt(ptr, 1), GetInt(ptr, 2))) |
|12: |
SYSTEM.PUT(SYSTEM.ADR(proc2), SYSTEM.ADR(HOST.chmod)); |
r := proc2(GetInt(ptr, 1), GetInt(ptr, 2)) |
|100..103: |
r1 := GetReal(ptr, 1); |
r2 := GetReal(ptr, 2); |
CASE fn OF |
|100: SYSTEM.PUT(ptr, r2 * r1) |
|101: SYSTEM.PUT(ptr, r2 / r1) |
|102: SYSTEM.PUT(ptr, r2 + r1) |
|103: SYSTEM.PUT(ptr, r2 - r1) |
END |
|104: |
r1 := GetReal(ptr, 2); |
r2 := GetReal(ptr, 3); |
CASE GetInt(ptr, 1) OF |
|0: SYSTEM.PUT(ptr, ORD(r2 = r1)) |
|1: SYSTEM.PUT(ptr, ORD(r2 # r1)) |
|2: SYSTEM.PUT(ptr, ORD(r2 < r1)) |
|3: SYSTEM.PUT(ptr, ORD(r2 <= r1)) |
|4: SYSTEM.PUT(ptr, ORD(r2 > r1)) |
|5: SYSTEM.PUT(ptr, ORD(r2 >= r1)) |
END |
|105: |
SYSTEM.PUT(ptr, FLOOR(GetReal(ptr, 1))) |
|106: |
SYSTEM.PUT(ptr, FLT(GetInt(ptr, 1))) |
END |
END syscall; |
PROCEDURE exec (VAR Labels: LABELS; first, last: COMMAND; Sections: SECTIONS); |
VAR |
cmd: COMMAND; |
param1, param2, i: INTEGER; |
R: ARRAY nREG OF INTEGER; |
fe, fl, fb: BOOLEAN; |
BEGIN |
FOR i := 0 TO LEN(Labels) - 1 DO |
cmd := Labels[i]; |
IF cmd # NIL THEN |
REPEAT |
cmd := cmd.next |
UNTIL cmd.op # opLABEL; |
Labels[i] := cmd |
END |
END; |
cmd := first; |
WHILE cmd # NIL DO |
IF cmd.op = opLABEL THEN |
cmd.prev.next := cmd.next; |
cmd.next.prev := cmd.prev |
END; |
cmd := cmd.next |
END; |
FOR i := 0 TO LEN(Labels) - 1 DO |
IF Labels[i] # NIL THEN |
Labels[i] := Labels[i].prev |
END |
END; |
cmd := first; |
WHILE cmd # NIL DO |
param1 := cmd.param1; |
param2 := cmd.param2; |
CASE cmd.op OF |
|opSTOP: cmd := last |
|opRET: SYSTEM.GET(R[SP], cmd); INC(R[SP], szWORD) |
|opENTER: DEC(R[SP], szWORD); SYSTEM.PUT(R[SP], R[BP]); R[BP] := R[SP]; |
WHILE param1 > 0 DO DEC(R[SP], szWORD); SYSTEM.PUT(R[SP], 0); DEC(param1) END |
|opPOP: SYSTEM.GET(R[SP], R[param1]); INC(R[SP], szWORD) |
|opPUSH: DEC(R[SP], szWORD); SYSTEM.PUT(R[SP], R[param1]) |
|opPUSHC: DEC(R[SP], szWORD); SYSTEM.PUT(R[SP], param1) |
|opCALL: DEC(R[SP], szWORD); SYSTEM.PUT(R[SP], cmd); cmd := Labels[param1] |
|opCALLI: DEC(R[SP], szWORD); SYSTEM.PUT(R[SP], cmd); SYSTEM.GET(SYSTEM.ADR(R[param1]), cmd) |
|opNEG: R[param1] := -R[param1] |
|opNOT: R[param1] := ORD(-BITS(R[param1])) |
|opNOP: |
|opXCHG: i := R[param1]; R[param1] := R[param2]; R[param2] := i |
|opLDB: i := param1 MOD 256; SYSTEM.GET8(R[param1 DIV 256] + param2, R[i]); R[i] := R[i] MOD 256 |
|opLDH: i := param1 MOD 256; SYSTEM.GET16(R[param1 DIV 256] + param2, R[i]); R[i] := R[i] MOD 65536 |
|opLDW: SYSTEM.GET32(R[param1 DIV 256] + param2, R[param1 MOD 256]); |
$IF (CPU_X8664) |
R[param1 MOD 256] := R[param1 MOD 256] MOD 100000000H |
$END |
|opLDD: SYSTEM.GET(R[param1 DIV 256] + param2, R[param1 MOD 256]) |
|opLLA: SYSTEM.GET(SYSTEM.ADR(Labels[param2]), R[param1]) |
|opJMP: cmd := Labels[param1] |
|opMOV: R[param1] := R[param2] |
|opMOVC: R[param1] := param2 |
|opMUL: R[param1] := R[param1] * R[param2] |
|opMULC: R[param1] := R[param1] * param2 |
|opADD: INC(R[param1], R[param2]) |
|opADDC: INC(R[param1], param2) |
|opSUB: DEC(R[param1], R[param2]) |
|opSUBC: DEC(R[param1], param2) |
|opDIV: R[param1] := R[param1] DIV R[param2] |
|opDIVC: R[param1] := R[param1] DIV param2 |
|opMOD: R[param1] := R[param1] MOD R[param2] |
|opMODC: R[param1] := R[param1] MOD param2 |
|opSTB: SYSTEM.PUT8(R[param1 DIV 256] + param2, R[param1 MOD 256]) |
|opSTH: SYSTEM.PUT16(R[param1 DIV 256] + param2, R[param1 MOD 256]) |
|opSTW: SYSTEM.PUT32(R[param1 DIV 256] + param2, R[param1 MOD 256]) |
|opSTD: SYSTEM.PUT(R[param1 DIV 256] + param2, R[param1 MOD 256]) |
|opSTBC: SYSTEM.PUT8(R[param1], param2) |
|opSTHC: SYSTEM.PUT16(R[param1], param2) |
|opSTWC: SYSTEM.PUT32(R[param1], param2) |
|opSTDC: SYSTEM.PUT(R[param1], param2) |
|opAND: R[param1] := ORD(BITS(R[param1]) * BITS(R[param2])) |
|opANDC: R[param1] := ORD(BITS(R[param1]) * BITS(param2)) |
|opOR: R[param1] := ORD(BITS(R[param1]) + BITS(R[param2])) |
|opORC: R[param1] := ORD(BITS(R[param1]) + BITS(param2)) |
|opXOR: R[param1] := ORD(BITS(R[param1]) / BITS(R[param2])) |
|opXORC: R[param1] := ORD(BITS(R[param1]) / BITS(param2)) |
|opASR: R[param1] := ASR(R[param1], R[param2]) |
|opASRC: R[param1] := ASR(R[param1], param2) |
|opLSR: R[param1] := LSR(R[param1], R[param2]) |
|opLSRC: R[param1] := LSR(R[param1], param2) |
|opLSL: R[param1] := LSL(R[param1], R[param2]) |
|opLSLC: R[param1] := LSL(R[param1], param2) |
|opROR: R[param1] := ROR(R[param1], R[param2]) |
|opRORC: R[param1] := ROR(R[param1], param2) |
|opLEA: R[param1 MOD 256] := Sections[param1 DIV 256] + param2 |
(*|opLABEL:*) |
|opSYSCALL: syscall(R[param1]) |
|opADDRC: R[param1 MOD 256] := R[param1 DIV 256] + param2 |
|opCMP: fl := R[param1] < R[param2]; fe := R[param1] = R[param2]; fb := fl & (R[param1] >= 0) |
|opCMPC: fl := R[param1] < param2; fe := R[param1] = param2; fb := fl & (R[param1] >= 0) |
|opJEQ: IF fe THEN cmd := Labels[param1] END |
|opJNE: IF ~fe THEN cmd := Labels[param1] END |
|opJLT: IF fl THEN cmd := Labels[param1] END |
|opJLE: IF fl OR fe THEN cmd := Labels[param1] END |
|opJGT: IF ~fl & ~fe THEN cmd := Labels[param1] END |
|opJGE: IF ~fl THEN cmd := Labels[param1] END |
|opSEQ: R[param1] := ORD(fe) |
|opSNE: R[param1] := ORD(~fe) |
|opSLT: R[param1] := ORD(fl) |
|opSLE: R[param1] := ORD(fl OR fe) |
|opSGT: R[param1] := ORD(~fl & ~fe) |
|opSGE: R[param1] := ORD(~fl) |
|opJBT: IF fb THEN cmd := Labels[param1] END |
|opBIT: R[param1] := ORD({R[param2]}) |
END; |
cmd := cmd.next |
END |
END exec; |
PROCEDURE disasm (name: ARRAY OF CHAR; t_count, c_count, glob, heap: INTEGER); |
VAR |
cmd: COMMAND; |
param1, param2, i, t, ptr: INTEGER; |
b: BYTE; |
Names: ARRAY 5, 16 OF CHAR; |
PROCEDURE String (s: ARRAY OF CHAR); |
VAR |
n: INTEGER; |
BEGIN |
n := LENGTH(s); |
IF n > LEN(buf) - cnt THEN |
ASSERT(File.Write(F, SYSTEM.ADR(buf[0]), cnt) = cnt); |
cnt := 0 |
END; |
SYSTEM.MOVE(SYSTEM.ADR(s[0]), SYSTEM.ADR(buf[0]) + cnt, n); |
INC(cnt, n) |
END String; |
PROCEDURE Ln; |
BEGIN |
String(0DX + 0AX) |
END Ln; |
PROCEDURE hexdgt (n: INTEGER): CHAR; |
BEGIN |
IF n < 10 THEN |
INC(n, ORD("0")) |
ELSE |
INC(n, ORD("A") - 10) |
END |
RETURN CHR(n) |
END hexdgt; |
PROCEDURE Hex (x: INTEGER); |
VAR |
str: ARRAY 19 OF CHAR; |
n: INTEGER; |
BEGIN |
n := szWORD * 2 + 2; |
str[n] := 0X; |
WHILE n > 2 DO |
str[n - 1] := hexdgt(x MOD 16); |
x := x DIV 16; |
DEC(n) |
END; |
str[1] := "x"; |
str[0] := "0"; |
String(str) |
END Hex; |
PROCEDURE Byte (x: BYTE); |
VAR |
str: ARRAY 5 OF CHAR; |
BEGIN |
str[4] := 0X; |
str[3] := hexdgt(x MOD 16); |
str[2] := hexdgt(x DIV 16); |
str[1] := "x"; |
str[0] := "0"; |
String(str) |
END Byte; |
PROCEDURE Reg (n: INTEGER); |
VAR |
s: ARRAY 2 OF CHAR; |
BEGIN |
IF n = BP THEN |
String("BP") |
ELSIF n = SP THEN |
String("SP") |
ELSE |
String("R"); |
s[1] := 0X; |
IF n >= 10 THEN |
s[0] := CHR(n DIV 10 + ORD("0")); |
String(s) |
END; |
s[0] := CHR(n MOD 10 + ORD("0")); |
String(s) |
END |
END Reg; |
PROCEDURE Reg2 (r1, r2: INTEGER); |
BEGIN |
Reg(r1); String(", "); Reg(r2) |
END Reg2; |
PROCEDURE RegC (r, c: INTEGER); |
BEGIN |
Reg(r); String(", "); Hex(c) |
END RegC; |
PROCEDURE RegL (r, label: INTEGER); |
BEGIN |
Reg(r); String(", L"); Hex(label) |
END RegL; |
BEGIN |
Names[Types] := "TYPES"; |
Names[Strings] := "STRINGS"; |
Names[Global] := "GLOBAL"; |
Names[Heap] := "HEAP"; |
Names[Stack] := "STACK"; |
F := File.Create(name); |
ASSERT(F > 0); |
cnt := 0; |
String("CODE:"); Ln; |
cmd := first; |
WHILE cmd # NIL DO |
param1 := cmd.param1; |
param2 := cmd.param2; |
CASE cmd.op OF |
|opSTOP: String("STOP") |
|opRET: String("RET") |
|opENTER: String("ENTER "); Hex(param1) |
|opPOP: String("POP "); Reg(param1) |
|opNEG: String("NEG "); Reg(param1) |
|opNOT: String("NOT "); Reg(param1) |
|opNOP: String("NOP") |
|opXCHG: String("XCHG "); Reg2(param1, param2) |
|opLDB: String("LDB "); Reg(param1 MOD 256); String(", ["); Reg(param1 DIV 256); String(" + "); Hex(param2); String("]") |
|opLDH: String("LDH "); Reg(param1 MOD 256); String(", ["); Reg(param1 DIV 256); String(" + "); Hex(param2); String("]") |
|opLDW: String("LDW "); Reg(param1 MOD 256); String(", ["); Reg(param1 DIV 256); String(" + "); Hex(param2); String("]") |
|opLDD: String("LDD "); Reg(param1 MOD 256); String(", ["); Reg(param1 DIV 256); String(" + "); Hex(param2); String("]") |
|opPUSH: String("PUSH "); Reg(param1) |
|opPUSHC: String("PUSH "); Hex(param1) |
|opLLA: String("LLA "); RegL(param1, param2) |
|opJMP: String("JMP L"); Hex(param1) |
|opCALL: String("CALL L"); Hex(param1) |
|opCALLI: String("CALL "); Reg(param1) |
|opMOV: String("MOV "); Reg2(param1, param2) |
|opMOVC: String("MOV "); RegC(param1, param2) |
|opMUL: String("MUL "); Reg2(param1, param2) |
|opMULC: String("MUL "); RegC(param1, param2) |
|opADD: String("ADD "); Reg2(param1, param2) |
|opADDC: String("ADD "); RegC(param1, param2) |
|opSUB: String("SUB "); Reg2(param1, param2) |
|opSUBC: String("SUB "); RegC(param1, param2) |
|opDIV: String("DIV "); Reg2(param1, param2) |
|opDIVC: String("DIV "); RegC(param1, param2) |
|opMOD: String("MOD "); Reg2(param1, param2) |
|opMODC: String("MOD "); RegC(param1, param2) |
|opSTB: String("STB ["); Reg(param1 DIV 256); String(" + "); Hex(param2); String("], "); Reg(param1 MOD 256) |
|opSTH: String("STH ["); Reg(param1 DIV 256); String(" + "); Hex(param2); String("], "); Reg(param1 MOD 256) |
|opSTW: String("STW ["); Reg(param1 DIV 256); String(" + "); Hex(param2); String("], "); Reg(param1 MOD 256) |
|opSTD: String("STD ["); Reg(param1 DIV 256); String(" + "); Hex(param2); String("], "); Reg(param1 MOD 256) |
|opSTBC: String("STB ["); Reg(param1); String("], "); Hex(param2) |
|opSTHC: String("STH ["); Reg(param1); String("], "); Hex(param2) |
|opSTWC: String("STW ["); Reg(param1); String("], "); Hex(param2) |
|opSTDC: String("STD ["); Reg(param1); String("], "); Hex(param2) |
|opAND: String("AND "); Reg2(param1, param2) |
|opANDC: String("AND "); RegC(param1, param2) |
|opOR: String("OR "); Reg2(param1, param2) |
|opORC: String("OR "); RegC(param1, param2) |
|opXOR: String("XOR "); Reg2(param1, param2) |
|opXORC: String("XOR "); RegC(param1, param2) |
|opASR: String("ASR "); Reg2(param1, param2) |
|opASRC: String("ASR "); RegC(param1, param2) |
|opLSR: String("LSR "); Reg2(param1, param2) |
|opLSRC: String("LSR "); RegC(param1, param2) |
|opLSL: String("LSL "); Reg2(param1, param2) |
|opLSLC: String("LSL "); RegC(param1, param2) |
|opROR: String("ROR "); Reg2(param1, param2) |
|opRORC: String("ROR "); RegC(param1, param2) |
|opLEA: String("LEA "); Reg(param1 MOD 256); String(", "); String(Names[param1 DIV 256]); String(" + "); Hex(param2) |
|opADDRC: String("ADD "); Reg(param1 MOD 256); String(", "); Reg(param1 DIV 256); String(", "); Hex(param2) |
|opLABEL: String("L"); Hex(param1); String(":") |
|opSYSCALL: String("SYSCALL "); Reg(param1) |
|opCMP: String("CMP "); Reg2(param1, param2) |
|opCMPC: String("CMP "); RegC(param1, param2) |
|opJEQ: String("JEQ L"); Hex(param1) |
|opJNE: String("JNE L"); Hex(param1) |
|opJLT: String("JLT L"); Hex(param1) |
|opJLE: String("JLE L"); Hex(param1) |
|opJGT: String("JGT L"); Hex(param1) |
|opJGE: String("JGE L"); Hex(param1) |
|opSEQ: String("SEQ "); Reg(param1) |
|opSNE: String("SNE "); Reg(param1) |
|opSLT: String("SLT "); Reg(param1) |
|opSLE: String("SLE "); Reg(param1) |
|opSGT: String("SGT "); Reg(param1) |
|opSGE: String("SGE "); Reg(param1) |
|opJBT: String("JBT L"); Hex(param1) |
|opBIT: String("BIT "); Reg2(param1, param2) |
END; |
Ln; |
cmd := cmd.next |
END; |
String("TYPES:"); |
ptr := Sections[Types]; |
FOR i := 0 TO t_count - 1 DO |
IF i MOD 4 = 0 THEN |
Ln; String("WORD ") |
ELSE |
String(", ") |
END; |
SYSTEM.GET(ptr, t); INC(ptr, szWORD); |
Hex(t) |
END; |
Ln; |
String("STRINGS:"); |
ptr := Sections[Strings]; |
FOR i := 0 TO c_count - 1 DO |
IF i MOD 8 = 0 THEN |
Ln; String("BYTE ") |
ELSE |
String(", ") |
END; |
SYSTEM.GET8(ptr, b); INC(ptr); |
Byte(b) |
END; |
Ln; |
String("GLOBAL:"); Ln; |
String("WORDS "); Hex(glob); Ln; |
String("HEAP:"); Ln; |
String("WORDS "); Hex(heap); Ln; |
String("STACK:"); Ln; |
String("WORDS 8"); Ln; |
ASSERT(File.Write(F, SYSTEM.ADR(buf[0]), cnt) = cnt); |
File.Close(F) |
END disasm; |
PROCEDURE GetCommand (adr: INTEGER): COMMAND; |
VAR |
op, param1, param2: INTEGER; |
res: COMMAND; |
BEGIN |
op := 0; param1 := 0; param2 := 0; |
SYSTEM.GET(adr, op); |
SYSTEM.GET(adr + szWORD, param1); |
SYSTEM.GET(adr + szWORD * 2, param2); |
NEW(res); |
res.op := op; |
res.param1 := param1; |
res.param2 := param2; |
res.next := NIL |
RETURN res |
END GetCommand; |
PROCEDURE main; |
VAR |
name, param: ARRAY 1024 OF CHAR; |
cmd: COMMAND; |
file, fsize, n: INTEGER; |
descr: ARRAY 12 OF INTEGER; |
offTypes, offStrings, GlobalSize, HeapStackSize, DescrSize: INTEGER; |
BEGIN |
Out.Open; |
Args.GetArg(1, name); |
F := File.Open(name, File.OPEN_R); |
IF F > 0 THEN |
DescrSize := LEN(descr) * SYSTEM.SIZE(INTEGER); |
fsize := File.Seek(F, 0, File.SEEK_END); |
ASSERT(fsize > DescrSize); |
file := API._NEW(fsize); |
ASSERT(file # 0); |
n := File.Seek(F, 0, File.SEEK_BEG); |
ASSERT(fsize = File.Read(F, file, fsize)); |
File.Close(F); |
SYSTEM.MOVE(file + fsize - DescrSize, SYSTEM.ADR(descr[0]), DescrSize); |
offTypes := descr[0]; |
ASSERT(offTypes < fsize - DescrSize); |
ASSERT(offTypes > 0); |
ASSERT(offTypes MOD (3 * szWORD) = 0); |
offStrings := descr[1]; |
ASSERT(offStrings < fsize - DescrSize); |
ASSERT(offStrings > 0); |
ASSERT(offStrings MOD szWORD = 0); |
ASSERT(offStrings > offTypes); |
GlobalSize := descr[2]; |
ASSERT(GlobalSize > 0); |
HeapStackSize := descr[3]; |
ASSERT(HeapStackSize > 0); |
Sections[Types] := API._NEW(offStrings - offTypes); |
ASSERT(Sections[Types] # 0); |
SYSTEM.MOVE(file + offTypes, Sections[Types], offStrings - offTypes); |
Sections[Strings] := API._NEW(fsize - offStrings - DescrSize); |
ASSERT(Sections[Strings] # 0); |
SYSTEM.MOVE(file + offStrings, Sections[Strings], fsize - offStrings - DescrSize); |
Sections[Global] := API._NEW(GlobalSize * szWORD); |
ASSERT(Sections[Global] # 0); |
Sections[Heap] := API._NEW(HeapStackSize * szWORD); |
ASSERT(Sections[Heap] # 0); |
Sections[Stack] := Sections[Heap] + HeapStackSize * szWORD - szWORD*8; |
n := offTypes DIV (3 * szWORD); |
first := GetCommand(file + offTypes - n * (3 * szWORD)); |
first.prev := NIL; |
last := first; |
DEC(n); |
WHILE n > 0 DO |
cmd := GetCommand(file + offTypes - n * (3 * szWORD)); |
IF cmd.op = opLABEL THEN |
Labels[cmd.param1] := cmd |
END; |
last.next := cmd; |
cmd.prev := last; |
last := cmd; |
DEC(n) |
END; |
file := API._DISPOSE(file); |
Args.GetArg(2, param); |
IF param = "-dis" THEN |
Args.GetArg(3, name); |
IF name # "" THEN |
disasm(name, (offStrings - offTypes) DIV szWORD, fsize - offStrings - DescrSize, GlobalSize, HeapStackSize) |
END |
ELSIF param = "-run" THEN |
exec(Labels, first, last, Sections) |
END |
ELSE |
Out.String("file not found"); Out.Ln |
END |
END main; |
BEGIN |
main |
END RVMxI. |
/programs/develop/oberon07/tools/RVMxI.txt |
---|
0,0 → 1,270 |
|
Экспериментальная 32/64-битная виртуальная машина RVMxI |
--------------------------------------------------------------------------------------------------- |
Использование |
Скомпилировать исполнитель/дизассемблер в .\tools\RVMxI.ob07 |
для Windows32/64 Console или Linux32/64: |
Compiler.exe .\tools\RVMxI.ob07 win32con -nochk a -out RVMxI.exe |
Compiler.exe .\tools\RVMxI.ob07 win64con -nochk a -out RVMxI.exe |
Compiler ./tools/RVMxI.ob07 linux32exe -nochk a -out RVMxI |
Compiler ./tools/RVMxI.ob07 linux64exe -nochk a -out RVMxI |
Будет создан файл "RVMxI.exe" и/или "RVMxI". |
Компилировать программу в байт-код RVMxI: |
Compiler.exe program.ob07 rvm32i [-ram size] [-def host_linux] |
Compiler.exe program.ob07 rvm64i [-ram size] [-def host_linux] |
-ram size -- установить размер оперативной памяти для программы в килобайтах 32768..262144 |
(32..256 Мбайт), по умолчанию 32768 (32 Мбайт) |
-def host_linux -- если байт-код будет исполняться на Linux (по умолчанию -- Windows) |
Будет создан файл "program.bin". |
Выпонить программу: |
RVMxI.exe program.bin -run <параметры> |
Дизассемблировать программу: |
RVMxI.exe program.bin -dis program.txt |
Будет создан файл "program.txt". |
--------------------------------------------------------------------------------------------------- |
Архитектура |
Регистры |
Не меньше пяти 32/64-битных регистров: |
R0, R1, R2 регистры общего назначения |
BP(R3) указатель кадра стэка |
SP(R4) указатель стэка (растет вниз) |
R5, R6... регистры общего назначения (опционально) |
Регистра связи нет (адрес возврата передается через стэк), |
регистр-счетчик команд (PC) -- скрытый, регистр флагов -- скрытый. |
Нет вещественных регистров, операции с плавающей точкой (single (32-бит) или double (64-бит)) |
эмулируются. |
Формат кадра стэка |
Стэк: |
меньше <- |лок. переменные|старый BP|адрес возврата|парам1|парам2|...|парамN| -> больше |
(* 32 бита *) |
адрес(парам1) = BP + 8 |
адрес(парам2) = BP + 12 |
... |
(* 64 бита *) |
адрес(парам1) = BP + 16 |
адрес(парам2) = BP + 24 |
... |
Параметры передаются через стэк справа налево (как cdecl), результат передается через R0, |
вызывающая процедура очищает стэк (как cdecl). |
--------------------------------------------------------------------------------------------------- |
Формат "исполняемого" файла |
RECORD |
Text: ARRAY i OF RECORD opcode, param1, param2: INTEGER END; (* байт-код *) |
Types: ARRAY t OF INTEGER; (* таблица типов-записей *) |
Strings: ARRAY s OF BYTE; (* строковые литералы *) |
offTypes: INTEGER; (* смещение таблицы типов-записей от начала файла (в байтах) *) |
offStrings: INTEGER; (* смещение строковых литералов от начала файла (в байтах) *) |
GlobalSize: INTEGER; (* размер глобальных переменных (в словах; слово = 4 байта) *) |
HeapStackSize: INTEGER; (* размер области кучи/стэка (в словах; слово = 4 байта) *) |
Reserved: ARRAY 8 OF INTEGER (* зарезервировано *) |
END |
Где: |
INTEGER = INT32/INT64 |
i = offTypes DIV (3 * sizeof(INTEGER)); |
t = (offStrings - offTypes) DIV sizeof(INTEGER) |
s = FILE_SIZE - offStrings - 12 * sizeof(INTEGER) |
--------------------------------------------------------------------------------------------------- |
Система команд |
мнемоника опкод парам1 парам2 действие |
STOP 0 0 0 остановить программу |
RET 1 0 0 возврат из процедуры (pop PC) |
ENTER imm 2 imm 0 push BP; BP := SP; WHILE imm > 0 DO push 0; DEC(imm) END |
NEG Rn 3 n 0 Rn := -Rn |
NOT Rn 4 n 0 Rn := ORD(-BITS(Rn)) |
NOP 5 0 0 нет операции |
XCHG Rn, Rm 6 n m temp := Rn; Rn := Rm; Rm := temp |
LDB Rn, [Rm + imm] 7 m*256 + n imm Rn := UInt8Ptr(Rm + imm)^ |
LDH Rn, [Rm + imm] 8 m*256 + n imm Rn := UInt16Ptr(Rm + imm)^ |
LDW Rn, [Rm + imm] 9 m*256 + n imm Rn := UInt32Ptr(Rm + imm)^ |
* PUSH Rn 10 n 0 DEC(SP, 4); UInt32Ptr(SP)^ := Rn |
* PUSH imm 11 imm 0 DEC(SP, 4); UInt32Ptr(SP)^ := imm |
* POP Rn 12 n 0 Rn := UInt32Ptr(SP)^; INC(SP, 4) |
** PUSH Rn 10 n 0 DEC(SP, 8); UInt64Ptr(SP)^ := Rn |
** PUSH imm 11 imm 0 DEC(SP, 8); UInt64Ptr(SP)^ := imm |
** POP Rn 12 n 0 Rn := UInt64Ptr(SP)^; INC(SP, 8) |
L#hex: 13 hex 0 метка: |
LEA Rn, TYPES + imm 14 n + 000H imm Rn := imm + address(TYPES) |
LEA Rn, STRINGS + imm 14 n + 100H imm Rn := imm + address(STRINGS) |
LEA Rn, GLOBAL + imm 14 n + 200H imm Rn := imm + address(GLOBAL) |
LEA Rn, HEAP + imm 14 n + 300H imm Rn := imm + address(HEAP) |
LEA Rn, STACK + imm 14 n + 400H imm Rn := imm + address(STACK) |
LLA Rn, L#hex 15 n hex Rn := address(L#hex) |
** LDD Rn, [Rm + imm] 16 m*256 + n imm Rn := UInt64Ptr(Rm + imm)^ |
JMP L#hex 19 hex 0 goto L#hex |
CALL L#hex 20 hex 0 push PC; goto L#hex |
CALL Rn 21 n 0 push PC; goto Rn |
MOV Rn, Rm 22 n m Rn := Rm |
MOV Rn, imm 23 n imm Rn := imm |
MUL Rn, Rm 24 n m Rn := Rn * Rm |
MUL Rn, imm 25 n imm Rn := Rm * imm |
ADD Rn, Rm 26 n m Rn := Rn + Rm |
ADD Rn, imm 27 n imm Rn := Rn + imm |
SUB Rn, Rm 28 n m Rn := Rn - Rm |
SUB Rn, imm 29 n imm Rn := Rn - imm |
DIV Rn, Rm 30 n m Rn := Rn DIV Rm |
DIV Rn, imm 31 n imm Rn := Rn DIV imm |
MOD Rn, Rm 32 n m Rn := Rn MOD Rm |
MOD Rn, imm 33 n imm Rn := Rn MOD imm |
STB [Rn + imm], Rm 34 n*256 + m imm UInt8Ptr(Rn + imm)^ := Rm MOD 256 |
STB [Rn], imm 35 n imm UInt8Ptr(Rn)^ := imm MOD 256 |
STH [Rn + imm], Rm 36 n*256 + m imm UInt16Ptr(Rn + imm)^ := Rm MOD 65536 |
STH [Rn], imm 37 n imm UInt16Ptr(Rn)^ := imm MOD 65536 |
* STW [Rn + imm], Rm 38 n*256 + m imm UInt32Ptr(Rn + imm)^ := Rm |
* STW [Rn], imm 39 n imm UInt32Ptr(Rn)^ := imm |
** STW [Rn + imm], Rm 38 n*256 + m imm UInt32Ptr(Rn + imm)^ := Rm MOD 100000000H |
** STW [Rn], imm 39 n imm UInt32Ptr(Rn)^ := imm MOD 100000000H |
** STD [Rn + imm], Rm 40 n*256 + m imm UInt64Ptr(Rn + imm)^ := Rm |
** STD [Rn], imm 41 n imm UInt64Ptr(Rn)^ := imm |
AND Rn, Rm 46 n m Rn := ORD(BITS(Rn) * BITS(Rm)) |
AND Rn, imm 47 n imm Rn := ORD(BITS(Rn) * BITS(imm)) |
OR Rn, Rm 48 n m Rn := ORD(BITS(Rn) + BITS(Rm)) |
OR Rn, imm 49 n imm Rn := ORD(BITS(Rn) + BITS(imm)) |
XOR Rn, Rm 50 n m Rn := ORD(BITS(Rn) / BITS(Rm)) |
XOR Rn, imm 51 n imm Rn := ORD(BITS(Rn) / BITS(imm)) |
ASR Rn, Rm 52 n m Rn := ASR(Rn, Rm) |
ASR Rn, imm 53 n imm Rn := ASR(Rn, imm) |
LSR Rn, Rm 54 n m Rn := LSR(Rn, Rm) |
LSR Rn, imm 55 n imm Rn := LSR(Rn, imm) |
LSL Rn, Rm 56 n m Rn := LSL(Rn, Rm) |
LSL Rn, imm 57 n imm Rn := LSL(Rn, imm) |
ROR Rn, Rm 58 n m Rn := ROR(Rn, Rm) |
ROR Rn, imm 59 n imm Rn := ROR(Rn, imm) |
CMP Rn, Rm 64 n m сравнить Rn и Rm |
CMP Rn, imm 65 n imm сравнить Rn и imm |
BIT Rn, Rm 66 n m Rn := ORD({Rm}) |
SYSCALL Rn 67 n 0 системный вызов; Rn содержит адрес параметров |
JBT L#hex 68 hex 0 перейти на метку L#hex, если "ниже" |
ADD Rn, Rm, imm 69 m*256 + n imm Rn := Rm + imm |
JEQ L#hex 70 hex 0 перейти на метку L#hex, если "равно" |
JNE L#hex 71 hex 0 перейти на метку L#hex, если "не равно" |
JLT L#hex 72 hex 0 перейти на метку L#hex, если "меньше" |
JGE L#hex 73 hex 0 перейти на метку L#hex, если "не меньше" |
JGT L#hex 74 hex 0 перейти на метку L#hex, если "больше" |
JLE L#hex 75 hex 0 перейти на метку L#hex, если "не больше" |
SEQ Rn 76 n 0 если "равно": Rn := 1, иначе Rn := 0 |
SNE Rn 77 n 0 если "не равно": Rn := 1, иначе Rn := 0 |
SLT Rn 78 n 0 если "меньше": Rn := 1, иначе Rn := 0 |
SGE Rn 79 n 0 если "не меньше": Rn := 1, иначе Rn := 0 |
SGT Rn 80 n 0 если "больше": Rn := 1, иначе Rn := 0 |
SLE Rn 81 n 0 если "не больше": Rn := 1, иначе Rn := 0 |
Команда CMP сохраняет результат сравнения в скрытом регистре, этот результат используется |
в командах перехода по условию (JEQ, JNE, JLT, JGE, JGT, JLE, JBT) а также в командах |
установки регистра по условию (SEQ, SNE, SLT, SGE, SGT, SLE). |
* Команда для 32-битной виртуальной машины |
** Команда для 64-битной виртуальной машины |
--------------------------------------------------------------------------------------------------- |
Общая структура программы |
CODE: (* машинный код *) |
LEA SP, STACK + 0x00000000 (* точка входа; инициализация регистра SP *) |
... |
STOP (* конец программы *) |
TYPES: (* таблица типов-записей *) |
WORD 0x00000000, 0x00000000, 0x00000000, 0x00000000 |
WORD 0x00000002, 0x00000002, 0x00000002, 0x00000002 |
WORD 0x00000000, 0x00000006, 0x00000000, 0x00000000 |
WORD 0x00000002, 0x00000000, 0x0000000D, 0x0000000E |
WORD 0x0000000C, 0x0000000E, 0x0000000C, 0x00000000 |
WORD 0x00000000, 0x0000000C, 0x0000000C, 0x00000016 |
WORD 0x00000000, 0x0000000C, 0x0000000C, 0x0000000C |
WORD 0x00000000, 0x00000000, 0x0000000C, 0x0000000C |
WORD 0x0000000C, 0x0000000C, 0x0000000C, 0x0000000C |
WORD 0x0000000C, 0x0000000C, 0x00000000, 0x00000000 |
WORD 0x0000000C, 0x0000000C, 0x0000000C, 0x00000000 |
WORD 0x00000000, 0x0000000C, 0x0000002D, 0x0000002D |
WORD 0x0000002D, 0x00000030, 0x00000030, 0x00000030 |
WORD 0x00000030, 0x0000002D, 0x00000000, 0x00000000 |
WORD 0x0000000A, 0x00000000, 0x00000002, 0x00000000 |
WORD 0x00000000, 0x00000000, 0x00000000, 0x00000000 |
WORD 0x00000000, 0x00000000, 0x00000000, 0x00000000 |
WORD 0x00000000, 0x0000000C, 0x0000000C, 0x00000000 |
WORD 0x00000000, 0x0000000C, 0x00000049, 0x00000049 |
WORD 0x00000049, 0x0000004C, 0x0000004C, 0x0000004C |
WORD 0x00000049, 0x0000000C, 0x00000000, 0x0000000C |
WORD 0x00000053, 0x00000053, 0x00000053, 0x00000053 |
WORD 0x0000000C, 0x00000000, 0x00000000, 0x00000000 |
WORD 0x00000006, 0x0000000C |
STRINGS: (* строковые литералы *) |
BYTE 0x46, 0x50, 0x55, 0x00, 0x54, 0x72, 0x61, 0x70 |
BYTE 0x00, 0x0D, 0x0A, 0x00, 0x61, 0x73, 0x73, 0x65 |
BYTE 0x72, 0x74, 0x69, 0x6F, 0x6E, 0x20, 0x66, 0x61 |
BYTE 0x69, 0x6C, 0x75, 0x72, 0x65, 0x00, 0x4E, 0x49 |
BYTE 0x4C, 0x20, 0x64, 0x65, 0x72, 0x65, 0x66, 0x65 |
BYTE 0x72, 0x65, 0x6E, 0x63, 0x65, 0x00, 0x62, 0x61 |
BYTE 0x64, 0x20, 0x64, 0x69, 0x76, 0x69, 0x73, 0x6F |
BYTE 0x72, 0x00, 0x4E, 0x49, 0x4C, 0x20, 0x70, 0x72 |
BYTE 0x6F, 0x63, 0x65, 0x64, 0x75, 0x72, 0x65, 0x20 |
BYTE 0x63, 0x61, 0x6C, 0x6C, 0x00, 0x74, 0x79, 0x70 |
BYTE 0x65, 0x20, 0x67, 0x75, 0x61, 0x72, 0x64, 0x20 |
BYTE 0x65, 0x72, 0x72, 0x6F, 0x72, 0x00, 0x69, 0x6E |
BYTE 0x64, 0x65, 0x78, 0x20, 0x6F, 0x75, 0x74, 0x20 |
BYTE 0x6F, 0x66, 0x20, 0x72, 0x61, 0x6E, 0x67, 0x65 |
BYTE 0x00, 0x69, 0x6E, 0x76, 0x61, 0x6C, 0x69, 0x64 |
BYTE 0x20, 0x43, 0x41, 0x53, 0x45, 0x00, 0x61, 0x72 |
BYTE 0x72, 0x61, 0x79, 0x20, 0x61, 0x73, 0x73, 0x69 |
BYTE 0x67, 0x6E, 0x6D, 0x65, 0x6E, 0x74, 0x20, 0x65 |
BYTE 0x72, 0x72, 0x6F, 0x72, 0x00, 0x43, 0x48, 0x52 |
BYTE 0x20, 0x6F, 0x75, 0x74, 0x20, 0x6F, 0x66, 0x20 |
BYTE 0x72, 0x61, 0x6E, 0x67, 0x65, 0x00, 0x57, 0x43 |
BYTE 0x48, 0x52, 0x20, 0x6F, 0x75, 0x74, 0x20, 0x6F |
BYTE 0x66, 0x20, 0x72, 0x61, 0x6E, 0x67, 0x65, 0x00 |
BYTE 0x42, 0x59, 0x54, 0x45, 0x20, 0x6F, 0x75, 0x74 |
BYTE 0x20, 0x6F, 0x66, 0x20, 0x72, 0x61, 0x6E, 0x67 |
BYTE 0x65, 0x00, 0x65, 0x72, 0x72, 0x6F, 0x72, 0x20 |
BYTE 0x28, 0x00, 0x29, 0x3A, 0x20, 0x00, 0x6D, 0x6F |
BYTE 0x64, 0x75, 0x6C, 0x65, 0x3A, 0x20, 0x00, 0x6C |
BYTE 0x69, 0x6E, 0x65, 0x3A, 0x20, 0x00, 0x52, 0x54 |
BYTE 0x4C, 0x00, 0x54, 0x65, 0x73, 0x74, 0x00, 0x00 |
GLOBAL: |
WORDS 0x00000004 (* размер глобальных переменных в словах (слово = 4 или 8 байт) *) |
HEAP: |
WORDS 0x007FFFBF (* размер области кучи/стэка в словах (слово = 4 или 8 байт) *) |
STACK: |
WORDS 8 (* зарезервировано *) |
--------------------------------------------------------------------------------------------------- |
/programs/develop/oberon07/tools/RVM32I.ob07 |
---|
0,0 → 1,575 |
(* |
BSD 2-Clause License |
Copyright (c) 2020, Anton Krotov |
All rights reserved. |
*) |
(* |
RVM32I executor and disassembler |
for win32 only |
Usage: |
RVM32I.exe <program file> -run [program parameters] |
RVM32I.exe <program file> -dis <output file> |
*) |
MODULE RVM32I; |
IMPORT SYSTEM, File, Args, Out, API, HOST, RTL; |
CONST |
opSTOP = 0; opRET = 1; opENTER = 2; opNEG = 3; opNOT = 4; opABS = 5; |
opXCHG = 6; opLDR8 = 7; opLDR16 = 8; opLDR32 = 9; opPUSH = 10; opPUSHC = 11; |
opPOP = 12; opJGZ = 13; opJZ = 14; opJNZ = 15; opLLA = 16; opJGA = 17; |
opJLA = 18; opJMP = 19; opCALL = 20; opCALLI = 21; |
opMOV = 22; opMUL = 24; opADD = 26; opSUB = 28; opDIV = 30; opMOD = 32; |
opSTR8 = 34; opSTR16 = 36; opSTR32 = 38; opINCL = 40; opEXCL = 42; |
opIN = 44; opAND = 46; opOR = 48; opXOR = 50; opASR = 52; opLSR = 54; |
opLSL = 56; opROR = 58; opMIN = 60; opMAX = 62; opEQ = 64; opNE = 66; |
opLT = 68; opLE = 70; opGT = 72; opGE = 74; opBT = 76; |
opMOVC = 23; opMULC = 25; opADDC = 27; opSUBC = 29; opDIVC = 31; opMODC = 33; |
opSTR8C = 35; opSTR16C = 37; opSTR32C = 39; opINCLC = 41; opEXCLC = 43; |
opINC = 45; opANDC = 47; opORC = 49; opXORC = 51; opASRC = 53; opLSRC = 55; |
opLSLC = 57; opRORC = 59; opMINC = 61; opMAXC = 63; opEQC = 65; opNEC = 67; |
opLTC = 69; opLEC = 71; opGTC = 73; opGEC = 75; opBTC = 77; |
opLEA = 78; opLABEL = 79; opSYSCALL = 80; |
ACC = 0; BP = 3; SP = 4; |
Types = 0; |
Strings = 1; |
Global = 2; |
Heap = 3; |
Stack = 4; |
TYPE |
COMMAND = POINTER TO RECORD |
op, param1, param2: INTEGER; |
next: COMMAND |
END; |
VAR |
R: ARRAY 32 OF INTEGER; |
Sections: ARRAY 5 OF RECORD address: INTEGER; name: ARRAY 16 OF CHAR END; |
first, last: COMMAND; |
Labels: ARRAY 30000 OF COMMAND; |
F: INTEGER; buf: ARRAY 65536 OF BYTE; cnt: INTEGER; |
PROCEDURE syscall (ptr: INTEGER); |
VAR |
fn, p1, p2, p3, p4, r: INTEGER; |
proc2: PROCEDURE (a, b: INTEGER): INTEGER; |
proc3: PROCEDURE (a, b, c: INTEGER): INTEGER; |
proc4: PROCEDURE (a, b, c, d: INTEGER): INTEGER; |
BEGIN |
SYSTEM.GET(ptr, fn); |
SYSTEM.GET(ptr + 4, p1); |
SYSTEM.GET(ptr + 8, p2); |
SYSTEM.GET(ptr + 12, p3); |
SYSTEM.GET(ptr + 16, p4); |
CASE fn OF |
| 0: HOST.ExitProcess(p1) |
| 1: SYSTEM.PUT(SYSTEM.ADR(proc2), SYSTEM.ADR(HOST.GetCurrentDirectory)); |
r := proc2(p1, p2) |
| 2: SYSTEM.PUT(SYSTEM.ADR(proc3), SYSTEM.ADR(HOST.GetArg)); |
r := proc3(p1 + 2, p2, p3) |
| 3: SYSTEM.PUT(SYSTEM.ADR(proc4), SYSTEM.ADR(HOST.FileRead)); |
SYSTEM.PUT(ptr, proc4(p1, p2, p3, p4)) |
| 4: SYSTEM.PUT(SYSTEM.ADR(proc4), SYSTEM.ADR(HOST.FileWrite)); |
SYSTEM.PUT(ptr, proc4(p1, p2, p3, p4)) |
| 5: SYSTEM.PUT(SYSTEM.ADR(proc2), SYSTEM.ADR(HOST.FileCreate)); |
SYSTEM.PUT(ptr, proc2(p1, p2)) |
| 6: HOST.FileClose(p1) |
| 7: SYSTEM.PUT(SYSTEM.ADR(proc2), SYSTEM.ADR(HOST.FileOpen)); |
SYSTEM.PUT(ptr, proc2(p1, p2)) |
| 8: HOST.OutChar(CHR(p1)) |
| 9: SYSTEM.PUT(ptr, HOST.GetTickCount()) |
|10: SYSTEM.PUT(ptr, HOST.UnixTime()) |
|11: SYSTEM.PUT(SYSTEM.ADR(proc2), SYSTEM.ADR(HOST.isRelative)); |
SYSTEM.PUT(ptr, proc2(p1, p2)) |
|12: SYSTEM.PUT(SYSTEM.ADR(proc2), SYSTEM.ADR(HOST.chmod)); |
r := proc2(p1, p2) |
END |
END syscall; |
PROCEDURE exec; |
VAR |
cmd: COMMAND; |
param1, param2: INTEGER; |
temp: INTEGER; |
BEGIN |
cmd := first; |
WHILE cmd # NIL DO |
param1 := cmd.param1; |
param2 := cmd.param2; |
CASE cmd.op OF |
|opSTOP: cmd := last |
|opRET: SYSTEM.MOVE(R[SP], SYSTEM.ADR(cmd), 4); INC(R[SP], 4) |
|opENTER: DEC(R[SP], 4); SYSTEM.PUT32(R[SP], R[BP]); R[BP] := R[SP]; WHILE param1 > 0 DO DEC(R[SP], 4); SYSTEM.PUT32(R[SP], 0); DEC(param1) END |
|opPOP: SYSTEM.GET32(R[SP], R[param1]); INC(R[SP], 4) |
|opNEG: R[param1] := -R[param1] |
|opNOT: R[param1] := ORD(-BITS(R[param1])) |
|opABS: R[param1] := ABS(R[param1]) |
|opXCHG: temp := R[param1]; R[param1] := R[param2]; R[param2] := temp |
|opLDR8: SYSTEM.GET8(R[param2], R[param1]); R[param1] := R[param1] MOD 256; |
|opLDR16: SYSTEM.GET16(R[param2], R[param1]); R[param1] := R[param1] MOD 65536; |
|opLDR32: SYSTEM.GET32(R[param2], R[param1]) |
|opPUSH: DEC(R[SP], 4); SYSTEM.PUT32(R[SP], R[param1]) |
|opPUSHC: DEC(R[SP], 4); SYSTEM.PUT32(R[SP], param1) |
|opJGZ: IF R[param1] > 0 THEN cmd := Labels[cmd.param2] END |
|opJZ: IF R[param1] = 0 THEN cmd := Labels[cmd.param2] END |
|opJNZ: IF R[param1] # 0 THEN cmd := Labels[cmd.param2] END |
|opLLA: SYSTEM.MOVE(SYSTEM.ADR(Labels[cmd.param2]), SYSTEM.ADR(R[param1]), 4) |
|opJGA: IF R[ACC] > param1 THEN cmd := Labels[cmd.param2] END |
|opJLA: IF R[ACC] < param1 THEN cmd := Labels[cmd.param2] END |
|opJMP: cmd := Labels[cmd.param1] |
|opCALL: DEC(R[SP], 4); SYSTEM.MOVE(SYSTEM.ADR(cmd), R[SP], 4); cmd := Labels[cmd.param1] |
|opCALLI: DEC(R[SP], 4); SYSTEM.MOVE(SYSTEM.ADR(cmd), R[SP], 4); SYSTEM.MOVE(SYSTEM.ADR(R[param1]), SYSTEM.ADR(cmd), 4) |
|opMOV: R[param1] := R[param2] |
|opMOVC: R[param1] := param2 |
|opMUL: R[param1] := R[param1] * R[param2] |
|opMULC: R[param1] := R[param1] * param2 |
|opADD: INC(R[param1], R[param2]) |
|opADDC: INC(R[param1], param2) |
|opSUB: DEC(R[param1], R[param2]) |
|opSUBC: DEC(R[param1], param2) |
|opDIV: R[param1] := R[param1] DIV R[param2] |
|opDIVC: R[param1] := R[param1] DIV param2 |
|opMOD: R[param1] := R[param1] MOD R[param2] |
|opMODC: R[param1] := R[param1] MOD param2 |
|opSTR8: SYSTEM.PUT8(R[param1], R[param2]) |
|opSTR8C: SYSTEM.PUT8(R[param1], param2) |
|opSTR16: SYSTEM.PUT16(R[param1], R[param2]) |
|opSTR16C: SYSTEM.PUT16(R[param1], param2) |
|opSTR32: SYSTEM.PUT32(R[param1], R[param2]) |
|opSTR32C: SYSTEM.PUT32(R[param1], param2) |
|opINCL: SYSTEM.GET32(R[param1], temp); SYSTEM.PUT32(R[param1], ORD(BITS(temp) + {R[param2]})) |
|opINCLC: SYSTEM.GET32(R[param1], temp); SYSTEM.PUT32(R[param1], ORD(BITS(temp) + {param2})) |
|opEXCL: SYSTEM.GET32(R[param1], temp); SYSTEM.PUT32(R[param1], ORD(BITS(temp) - {R[param2]})) |
|opEXCLC: SYSTEM.GET32(R[param1], temp); SYSTEM.PUT32(R[param1], ORD(BITS(temp) - {param2})) |
|opIN: R[param1] := ORD(R[param1] IN BITS(R[param2])) |
|opINC: R[param1] := ORD(R[param1] IN BITS(param2)) |
|opAND: R[param1] := ORD(BITS(R[param1]) * BITS(R[param2])) |
|opANDC: R[param1] := ORD(BITS(R[param1]) * BITS(param2)) |
|opOR: R[param1] := ORD(BITS(R[param1]) + BITS(R[param2])) |
|opORC: R[param1] := ORD(BITS(R[param1]) + BITS(param2)) |
|opXOR: R[param1] := ORD(BITS(R[param1]) / BITS(R[param2])) |
|opXORC: R[param1] := ORD(BITS(R[param1]) / BITS(param2)) |
|opASR: R[param1] := ASR(R[param1], R[param2]) |
|opASRC: R[param1] := ASR(R[param1], param2) |
|opLSR: R[param1] := LSR(R[param1], R[param2]) |
|opLSRC: R[param1] := LSR(R[param1], param2) |
|opLSL: R[param1] := LSL(R[param1], R[param2]) |
|opLSLC: R[param1] := LSL(R[param1], param2) |
|opROR: R[param1] := ROR(R[param1], R[param2]) |
|opRORC: R[param1] := ROR(R[param1], param2) |
|opMIN: R[param1] := MIN(R[param1], R[param2]) |
|opMINC: R[param1] := MIN(R[param1], param2) |
|opMAX: R[param1] := MAX(R[param1], R[param2]) |
|opMAXC: R[param1] := MAX(R[param1], param2) |
|opEQ: R[param1] := ORD(R[param1] = R[param2]) |
|opEQC: R[param1] := ORD(R[param1] = param2) |
|opNE: R[param1] := ORD(R[param1] # R[param2]) |
|opNEC: R[param1] := ORD(R[param1] # param2) |
|opLT: R[param1] := ORD(R[param1] < R[param2]) |
|opLTC: R[param1] := ORD(R[param1] < param2) |
|opLE: R[param1] := ORD(R[param1] <= R[param2]) |
|opLEC: R[param1] := ORD(R[param1] <= param2) |
|opGT: R[param1] := ORD(R[param1] > R[param2]) |
|opGTC: R[param1] := ORD(R[param1] > param2) |
|opGE: R[param1] := ORD(R[param1] >= R[param2]) |
|opGEC: R[param1] := ORD(R[param1] >= param2) |
|opBT: R[param1] := ORD((R[param1] < R[param2]) & (R[param1] >= 0)) |
|opBTC: R[param1] := ORD((R[param1] < param2) & (R[param1] >= 0)) |
|opLEA: R[param1 MOD 256] := Sections[param1 DIV 256].address + param2 |
|opLABEL: |
|opSYSCALL: syscall(R[param1]) |
END; |
cmd := cmd.next |
END |
END exec; |
PROCEDURE disasm (name: ARRAY OF CHAR; t_count, c_count, glob, heap: INTEGER); |
VAR |
cmd: COMMAND; |
param1, param2, i, t, ptr: INTEGER; |
b: BYTE; |
PROCEDURE String (s: ARRAY OF CHAR); |
VAR |
n: INTEGER; |
BEGIN |
n := LENGTH(s); |
IF n > LEN(buf) - cnt THEN |
ASSERT(File.Write(F, SYSTEM.ADR(buf[0]), cnt) = cnt); |
cnt := 0 |
END; |
SYSTEM.MOVE(SYSTEM.ADR(s[0]), SYSTEM.ADR(buf[0]) + cnt, n); |
INC(cnt, n) |
END String; |
PROCEDURE Ln; |
BEGIN |
String(0DX + 0AX) |
END Ln; |
PROCEDURE hexdgt (n: INTEGER): CHAR; |
BEGIN |
IF n < 10 THEN |
INC(n, ORD("0")) |
ELSE |
INC(n, ORD("A") - 10) |
END |
RETURN CHR(n) |
END hexdgt; |
PROCEDURE Hex (x: INTEGER); |
VAR |
str: ARRAY 11 OF CHAR; |
n: INTEGER; |
BEGIN |
n := 10; |
str[10] := 0X; |
WHILE n > 2 DO |
str[n - 1] := hexdgt(x MOD 16); |
x := x DIV 16; |
DEC(n) |
END; |
str[1] := "x"; |
str[0] := "0"; |
String(str) |
END Hex; |
PROCEDURE Byte (x: BYTE); |
VAR |
str: ARRAY 5 OF CHAR; |
BEGIN |
str[4] := 0X; |
str[3] := hexdgt(x MOD 16); |
str[2] := hexdgt(x DIV 16); |
str[1] := "x"; |
str[0] := "0"; |
String(str) |
END Byte; |
PROCEDURE Reg (n: INTEGER); |
VAR |
s: ARRAY 2 OF CHAR; |
BEGIN |
IF n = BP THEN |
String("BP") |
ELSIF n = SP THEN |
String("SP") |
ELSE |
String("R"); |
s[1] := 0X; |
IF n >= 10 THEN |
s[0] := CHR(n DIV 10 + ORD("0")); |
String(s) |
END; |
s[0] := CHR(n MOD 10 + ORD("0")); |
String(s) |
END |
END Reg; |
PROCEDURE Reg2 (r1, r2: INTEGER); |
BEGIN |
Reg(r1); String(", "); Reg(r2) |
END Reg2; |
PROCEDURE RegC (r, c: INTEGER); |
BEGIN |
Reg(r); String(", "); Hex(c) |
END RegC; |
PROCEDURE RegL (r, label: INTEGER); |
BEGIN |
Reg(r); String(", L"); Hex(label) |
END RegL; |
BEGIN |
Sections[Types].name := "TYPES"; |
Sections[Strings].name := "STRINGS"; |
Sections[Global].name := "GLOBAL"; |
Sections[Heap].name := "HEAP"; |
Sections[Stack].name := "STACK"; |
F := File.Create(name); |
ASSERT(F > 0); |
cnt := 0; |
String("CODE:"); Ln; |
cmd := first; |
WHILE cmd # NIL DO |
param1 := cmd.param1; |
param2 := cmd.param2; |
CASE cmd.op OF |
|opSTOP: String("STOP") |
|opRET: String("RET") |
|opENTER: String("ENTER "); Hex(param1) |
|opPOP: String("POP "); Reg(param1) |
|opNEG: String("NEG "); Reg(param1) |
|opNOT: String("NOT "); Reg(param1) |
|opABS: String("ABS "); Reg(param1) |
|opXCHG: String("XCHG "); Reg2(param1, param2) |
|opLDR8: String("LDR8 "); Reg2(param1, param2) |
|opLDR16: String("LDR16 "); Reg2(param1, param2) |
|opLDR32: String("LDR32 "); Reg2(param1, param2) |
|opPUSH: String("PUSH "); Reg(param1) |
|opPUSHC: String("PUSH "); Hex(param1) |
|opJGZ: String("JGZ "); RegL(param1, param2) |
|opJZ: String("JZ "); RegL(param1, param2) |
|opJNZ: String("JNZ "); RegL(param1, param2) |
|opLLA: String("LLA "); RegL(param1, param2) |
|opJGA: String("JGA "); Hex(param1); String(", L"); Hex(param2) |
|opJLA: String("JLA "); Hex(param1); String(", L"); Hex(param2) |
|opJMP: String("JMP L"); Hex(param1) |
|opCALL: String("CALL L"); Hex(param1) |
|opCALLI: String("CALL "); Reg(param1) |
|opMOV: String("MOV "); Reg2(param1, param2) |
|opMOVC: String("MOV "); RegC(param1, param2) |
|opMUL: String("MUL "); Reg2(param1, param2) |
|opMULC: String("MUL "); RegC(param1, param2) |
|opADD: String("ADD "); Reg2(param1, param2) |
|opADDC: String("ADD "); RegC(param1, param2) |
|opSUB: String("SUB "); Reg2(param1, param2) |
|opSUBC: String("SUB "); RegC(param1, param2) |
|opDIV: String("DIV "); Reg2(param1, param2) |
|opDIVC: String("DIV "); RegC(param1, param2) |
|opMOD: String("MOD "); Reg2(param1, param2) |
|opMODC: String("MOD "); RegC(param1, param2) |
|opSTR8: String("STR8 "); Reg2(param1, param2) |
|opSTR8C: String("STR8 "); RegC(param1, param2) |
|opSTR16: String("STR16 "); Reg2(param1, param2) |
|opSTR16C: String("STR16 "); RegC(param1, param2) |
|opSTR32: String("STR32 "); Reg2(param1, param2) |
|opSTR32C: String("STR32 "); RegC(param1, param2) |
|opINCL: String("INCL "); Reg2(param1, param2) |
|opINCLC: String("INCL "); RegC(param1, param2) |
|opEXCL: String("EXCL "); Reg2(param1, param2) |
|opEXCLC: String("EXCL "); RegC(param1, param2) |
|opIN: String("IN "); Reg2(param1, param2) |
|opINC: String("IN "); RegC(param1, param2) |
|opAND: String("AND "); Reg2(param1, param2) |
|opANDC: String("AND "); RegC(param1, param2) |
|opOR: String("OR "); Reg2(param1, param2) |
|opORC: String("OR "); RegC(param1, param2) |
|opXOR: String("XOR "); Reg2(param1, param2) |
|opXORC: String("XOR "); RegC(param1, param2) |
|opASR: String("ASR "); Reg2(param1, param2) |
|opASRC: String("ASR "); RegC(param1, param2) |
|opLSR: String("LSR "); Reg2(param1, param2) |
|opLSRC: String("LSR "); RegC(param1, param2) |
|opLSL: String("LSL "); Reg2(param1, param2) |
|opLSLC: String("LSL "); RegC(param1, param2) |
|opROR: String("ROR "); Reg2(param1, param2) |
|opRORC: String("ROR "); RegC(param1, param2) |
|opMIN: String("MIN "); Reg2(param1, param2) |
|opMINC: String("MIN "); RegC(param1, param2) |
|opMAX: String("MAX "); Reg2(param1, param2) |
|opMAXC: String("MAX "); RegC(param1, param2) |
|opEQ: String("EQ "); Reg2(param1, param2) |
|opEQC: String("EQ "); RegC(param1, param2) |
|opNE: String("NE "); Reg2(param1, param2) |
|opNEC: String("NE "); RegC(param1, param2) |
|opLT: String("LT "); Reg2(param1, param2) |
|opLTC: String("LT "); RegC(param1, param2) |
|opLE: String("LE "); Reg2(param1, param2) |
|opLEC: String("LE "); RegC(param1, param2) |
|opGT: String("GT "); Reg2(param1, param2) |
|opGTC: String("GT "); RegC(param1, param2) |
|opGE: String("GE "); Reg2(param1, param2) |
|opGEC: String("GE "); RegC(param1, param2) |
|opBT: String("BT "); Reg2(param1, param2) |
|opBTC: String("BT "); RegC(param1, param2) |
|opLEA: String("LEA "); Reg(param1 MOD 256); String(", "); String(Sections[param1 DIV 256].name); String(" + "); Hex(param2) |
|opLABEL: String("L"); Hex(param1); String(":") |
|opSYSCALL: String("SYSCALL "); Reg(param1) |
END; |
Ln; |
cmd := cmd.next |
END; |
String("TYPES:"); |
ptr := Sections[Types].address; |
FOR i := 0 TO t_count - 1 DO |
IF i MOD 4 = 0 THEN |
Ln; String("WORD ") |
ELSE |
String(", ") |
END; |
SYSTEM.GET32(ptr, t); INC(ptr, 4); |
Hex(t) |
END; |
Ln; |
String("STRINGS:"); |
ptr := Sections[Strings].address; |
FOR i := 0 TO c_count - 1 DO |
IF i MOD 8 = 0 THEN |
Ln; String("BYTE ") |
ELSE |
String(", ") |
END; |
SYSTEM.GET8(ptr, b); INC(ptr); |
Byte(b) |
END; |
Ln; |
String("GLOBAL:"); Ln; |
String("WORDS "); Hex(glob); Ln; |
String("HEAP:"); Ln; |
String("WORDS "); Hex(heap); Ln; |
String("STACK:"); Ln; |
String("WORDS 8"); Ln; |
ASSERT(File.Write(F, SYSTEM.ADR(buf[0]), cnt) = cnt); |
File.Close(F) |
END disasm; |
PROCEDURE GetCommand (adr: INTEGER): COMMAND; |
VAR |
op, param1, param2: INTEGER; |
res: COMMAND; |
BEGIN |
op := 0; param1 := 0; param2 := 0; |
SYSTEM.GET32(adr, op); |
SYSTEM.GET32(adr + 4, param1); |
SYSTEM.GET32(adr + 8, param2); |
NEW(res); |
res.op := op; |
res.param1 := param1; |
res.param2 := param2; |
res.next := NIL |
RETURN res |
END GetCommand; |
PROCEDURE main; |
VAR |
name, param: ARRAY 1024 OF CHAR; |
cmd: COMMAND; |
file, fsize, n: INTEGER; |
descr: ARRAY 12 OF INTEGER; |
offTypes, offStrings, GlobalSize, HeapStackSize, DescrSize: INTEGER; |
BEGIN |
Out.Open; |
Args.GetArg(1, name); |
F := File.Open(name, File.OPEN_R); |
IF F > 0 THEN |
DescrSize := LEN(descr) * SYSTEM.SIZE(INTEGER); |
fsize := File.Seek(F, 0, File.SEEK_END); |
ASSERT(fsize > DescrSize); |
file := API._NEW(fsize); |
ASSERT(file # 0); |
n := File.Seek(F, 0, File.SEEK_BEG); |
ASSERT(fsize = File.Read(F, file, fsize)); |
File.Close(F); |
SYSTEM.MOVE(file + fsize - DescrSize, SYSTEM.ADR(descr[0]), DescrSize); |
offTypes := descr[0]; |
ASSERT(offTypes < fsize - DescrSize); |
ASSERT(offTypes > 0); |
ASSERT(offTypes MOD 12 = 0); |
offStrings := descr[1]; |
ASSERT(offStrings < fsize - DescrSize); |
ASSERT(offStrings > 0); |
ASSERT(offStrings MOD 4 = 0); |
ASSERT(offStrings > offTypes); |
GlobalSize := descr[2]; |
ASSERT(GlobalSize > 0); |
HeapStackSize := descr[3]; |
ASSERT(HeapStackSize > 0); |
Sections[Types].address := API._NEW(offStrings - offTypes); |
ASSERT(Sections[Types].address # 0); |
SYSTEM.MOVE(file + offTypes, Sections[Types].address, offStrings - offTypes); |
Sections[Strings].address := API._NEW(fsize - offStrings - DescrSize); |
ASSERT(Sections[Strings].address # 0); |
SYSTEM.MOVE(file + offStrings, Sections[Strings].address, fsize - offStrings - DescrSize); |
Sections[Global].address := API._NEW(GlobalSize * 4); |
ASSERT(Sections[Global].address # 0); |
Sections[Heap].address := API._NEW(HeapStackSize * 4); |
ASSERT(Sections[Heap].address # 0); |
Sections[Stack].address := Sections[Heap].address + HeapStackSize * 4 - 32; |
n := offTypes DIV 12; |
first := GetCommand(file + offTypes - n * 12); |
last := first; |
DEC(n); |
WHILE n > 0 DO |
cmd := GetCommand(file + offTypes - n * 12); |
IF cmd.op = opLABEL THEN |
Labels[cmd.param1] := cmd |
END; |
last.next := cmd; |
last := cmd; |
DEC(n) |
END; |
file := API._DISPOSE(file); |
Args.GetArg(2, param); |
IF param = "-dis" THEN |
Args.GetArg(3, name); |
IF name # "" THEN |
disasm(name, (offStrings - offTypes) DIV 4, fsize - offStrings - DescrSize, GlobalSize, HeapStackSize) |
END |
ELSIF param = "-run" THEN |
exec |
END |
ELSE |
Out.String("file not found"); Out.Ln |
END |
END main; |
BEGIN |
ASSERT(RTL.bit_depth = 32); |
main |
END RVM32I. |
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