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/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en Automatique. Distributed only by permission. */
/* */
/***********************************************************************/
/* $Id$ */
/* Trace the instructions executed */
#ifdef DEBUG
#include <stdio.h>
#include "instruct.h"
#include "misc.h"
#include "mlvalues.h"
#include "opnames.h"
extern code_t start_code;
extern char * names_of_cprim[];
long icount = 0;
void stop_here () {}
int trace_flag = 0;
void disasm_instr(pc)
code_t pc;
{
int instr = *pc;
printf("%6ld %s", (long) (pc - start_code),
instr < 0 || instr > STOP ? "???" : names_of_instructions[instr]);
pc++;
switch(instr) {
/* Instructions with one integer operand */
case PUSHACC: case ACC: case POP: case ASSIGN:
case PUSHENVACC: case ENVACC: case PUSH_RETADDR: case APPLY:
case APPTERM1: case APPTERM2: case APPTERM3: case RETURN:
case GRAB: case PUSHGETGLOBAL: case GETGLOBAL: case SETGLOBAL:
case PUSHATOM: case ATOM: case MAKEBLOCK1: case MAKEBLOCK2:
case MAKEBLOCK3: case MAKEFLOATBLOCK:
case GETFIELD: case SETFIELD: case GETFLOATFIELD: case SETFLOATFIELD:
case BRANCH: case BRANCHIF: case BRANCHIFNOT: case PUSHTRAP:
case CONSTINT: case PUSHCONSTINT: case OFFSETINT: case OFFSETREF:
case OFFSETCLOSURE: case PUSHOFFSETCLOSURE:
printf(" %d\n", pc[0]); break;
/* Instructions with two operands */
case APPTERM: case CLOSURE: case CLOSUREREC: case PUSHGETGLOBALFIELD:
case GETGLOBALFIELD: case MAKEBLOCK:
printf(" %d, %d\n", pc[0], pc[1]); break;
/* Instructions with a C primitive as operand */
case C_CALL1: case C_CALL2: case C_CALL3: case C_CALL4: case C_CALL5:
printf(" %s\n", names_of_cprim[pc[0]]); break;
case C_CALLN:
printf(" %d, %s\n", pc[0], names_of_cprim[pc[1]]); break;
default:
printf("\n");
}
fflush (stdout);
}
#endif
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