-
/* -----------------------------------------------------------------------------
* Bytecode disassembler
*
- * Copyright (c) 1994-1998.
+ * Copyright (c) 1994-2002.
*
* $RCSfile: Disassembler.c,v $
- * $Revision: 1.25 $
- * $Date: 2002/07/17 09:21:49 $
+ * $Revision: 1.29 $
+ * $Date: 2004/09/03 15:28:19 $
* ---------------------------------------------------------------------------*/
#ifdef DEBUG
#include "Disassembler.h"
#include "Interpreter.h"
-#include <stdio.h>
-
/* --------------------------------------------------------------------------
* Disassembler
* ------------------------------------------------------------------------*/
-int disInstr ( StgBCO *bco, int pc )
+int
+disInstr ( StgBCO *bco, int pc )
{
int i;
- StgArrWords* instr_arr = bco->instrs;
- UShort* instrs = (UShort*)(&instr_arr->payload[0]);
+ StgWord16* instrs = (StgWord16*)(bco->instrs->payload);
StgArrWords* literal_arr = bco->literals;
StgWord* literals = (StgWord*)(&literal_arr->payload[0]);
switch (instrs[pc++]) {
case bci_SWIZZLE:
- fprintf(stderr, "SWIZZLE stkoff %d by %d\n",
+ debugBelch("SWIZZLE stkoff %d by %d\n",
instrs[pc], (signed int)instrs[pc+1]);
pc += 2; break;
case bci_CCALL:
- fprintf(stderr, "CCALL marshaller at 0x%x\n",
+ debugBelch("CCALL marshaller at 0x%x\n",
literals[instrs[pc]] );
pc += 1; break;
case bci_STKCHECK:
- fprintf(stderr, "STKCHECK %d\n", instrs[pc] );
- pc += 1; break;
- case bci_ARGCHECK:
- fprintf(stderr, "ARGCHECK %d\n", instrs[pc] );
+ debugBelch("STKCHECK %d\n", instrs[pc] );
pc += 1; break;
case bci_PUSH_L:
- fprintf(stderr, "PUSH_L %d\n", instrs[pc] );
+ debugBelch("PUSH_L %d\n", instrs[pc] );
pc += 1; break;
case bci_PUSH_LL:
- fprintf(stderr, "PUSH_LL %d %d\n", instrs[pc], instrs[pc+1] );
+ debugBelch("PUSH_LL %d %d\n", instrs[pc], instrs[pc+1] );
pc += 2; break;
case bci_PUSH_LLL:
- fprintf(stderr, "PUSH_LLL %d %d %d\n", instrs[pc], instrs[pc+1],
+ debugBelch("PUSH_LLL %d %d %d\n", instrs[pc], instrs[pc+1],
instrs[pc+2] );
pc += 3; break;
case bci_PUSH_G:
- fprintf(stderr, "PUSH_G " ); printPtr( ptrs[instrs[pc]] );
- fprintf(stderr, "\n" );
+ debugBelch("PUSH_G " ); printPtr( ptrs[instrs[pc]] );
+ debugBelch("\n" );
pc += 1; break;
- case bci_PUSH_AS:
- fprintf(stderr, "PUSH_AS " ); printPtr( ptrs[instrs[pc]] );
- fprintf(stderr, " 0x%x", literals[instrs[pc+1]] );
- fprintf(stderr, "\n");
- pc += 2; break;
+
+ case bci_PUSH_ALTS:
+ debugBelch("PUSH_ALTS " ); printPtr( ptrs[instrs[pc]] );
+ debugBelch("\n");
+ pc += 1; break;
+ case bci_PUSH_ALTS_P:
+ debugBelch("PUSH_ALTS_P " ); printPtr( ptrs[instrs[pc]] );
+ debugBelch("\n");
+ pc += 1; break;
+ case bci_PUSH_ALTS_N:
+ debugBelch("PUSH_ALTS_N " ); printPtr( ptrs[instrs[pc]] );
+ debugBelch("\n");
+ pc += 1; break;
+ case bci_PUSH_ALTS_F:
+ debugBelch("PUSH_ALTS_F " ); printPtr( ptrs[instrs[pc]] );
+ debugBelch("\n");
+ pc += 1; break;
+ case bci_PUSH_ALTS_D:
+ debugBelch("PUSH_ALTS_D " ); printPtr( ptrs[instrs[pc]] );
+ debugBelch("\n");
+ pc += 1; break;
+ case bci_PUSH_ALTS_L:
+ debugBelch("PUSH_ALTS_L " ); printPtr( ptrs[instrs[pc]] );
+ debugBelch("\n");
+ pc += 1; break;
+ case bci_PUSH_ALTS_V:
+ debugBelch("PUSH_ALTS_V " ); printPtr( ptrs[instrs[pc]] );
+ debugBelch("\n");
+ pc += 1; break;
+
case bci_PUSH_UBX:
- fprintf(stderr, "PUSH_UBX ");
+ debugBelch("PUSH_UBX ");
for (i = 0; i < instrs[pc+1]; i++)
- fprintf(stderr, "0x%x ", literals[i + instrs[pc]] );
- fprintf(stderr, "\n");
+ debugBelch("0x%x ", literals[i + instrs[pc]] );
+ debugBelch("\n");
pc += 2; break;
- case bci_PUSH_TAG:
- fprintf(stderr, "PUSH_TAG %d\n", instrs[pc] );
- pc += 1; break;
+ case bci_PUSH_APPLY_N:
+ debugBelch("PUSH_APPLY_N\n");
+ break;
+ case bci_PUSH_APPLY_V:
+ debugBelch("PUSH_APPLY_V\n");
+ break;
+ case bci_PUSH_APPLY_F:
+ debugBelch("PUSH_APPLY_F\n");
+ break;
+ case bci_PUSH_APPLY_D:
+ debugBelch("PUSH_APPLY_D\n");
+ break;
+ case bci_PUSH_APPLY_L:
+ debugBelch("PUSH_APPLY_L\n");
+ break;
+ case bci_PUSH_APPLY_P:
+ debugBelch("PUSH_APPLY_P\n");
+ break;
+ case bci_PUSH_APPLY_PP:
+ debugBelch("PUSH_APPLY_PP\n");
+ break;
+ case bci_PUSH_APPLY_PPP:
+ debugBelch("PUSH_APPLY_PPP\n");
+ break;
+ case bci_PUSH_APPLY_PPPP:
+ debugBelch("PUSH_APPLY_PPPP\n");
+ break;
+ case bci_PUSH_APPLY_PPPPP:
+ debugBelch("PUSH_APPLY_PPPPP\n");
+ break;
+ case bci_PUSH_APPLY_PPPPPP:
+ debugBelch("PUSH_APPLY_PPPPPP\n");
+ break;
case bci_SLIDE:
- fprintf(stderr, "SLIDE %d down by %d\n", instrs[pc], instrs[pc+1] );
+ debugBelch("SLIDE %d down by %d\n", instrs[pc], instrs[pc+1] );
pc += 2; break;
- case bci_ALLOC:
- fprintf(stderr, "ALLOC %d words\n", instrs[pc] );
+ case bci_ALLOC_AP:
+ debugBelch("ALLOC_AP %d words\n", instrs[pc] );
pc += 1; break;
+ case bci_ALLOC_PAP:
+ debugBelch("ALLOC_PAP %d words, %d arity\n",
+ instrs[pc], instrs[pc+1] );
+ pc += 2; break;
case bci_MKAP:
- fprintf(stderr, "MKAP %d words, %d stkoff\n", instrs[pc+1],
+ debugBelch("MKAP %d words, %d stkoff\n", instrs[pc+1],
instrs[pc] );
pc += 2; break;
case bci_UNPACK:
- fprintf(stderr, "UNPACK %d\n", instrs[pc] );
+ debugBelch("UNPACK %d\n", instrs[pc] );
pc += 1; break;
- case bci_UPK_TAG:
- fprintf(stderr, "UPK_TAG %d words, %d conoff, %d stkoff\n",
- instrs[pc], instrs[pc+1], instrs[pc+2] );
- pc += 3; break;
case bci_PACK:
- fprintf(stderr, "PACK %d words with itbl ", instrs[pc+1] );
+ debugBelch("PACK %d words with itbl ", instrs[pc+1] );
printPtr( (StgPtr)itbls[instrs[pc]] );
- fprintf(stderr, "\n");
+ debugBelch("\n");
pc += 2; break;
- case bci_CASEFAIL:
- fprintf(stderr, "CASEFAIL\n" );
- break;
- case bci_JMP:
- fprintf(stderr, "JMP to %d\n", instrs[pc]);
- pc += 1; break;
-
case bci_TESTLT_I:
- fprintf(stderr, "TESTLT_I %d, fail to %d\n", literals[instrs[pc]],
+ debugBelch("TESTLT_I %d, fail to %d\n", literals[instrs[pc]],
instrs[pc+1]);
pc += 2; break;
case bci_TESTEQ_I:
- fprintf(stderr, "TESTEQ_I %d, fail to %d\n", literals[instrs[pc]],
+ debugBelch("TESTEQ_I %d, fail to %d\n", literals[instrs[pc]],
instrs[pc+1]);
pc += 2; break;
case bci_TESTLT_F:
- fprintf(stderr, "TESTLT_F %d, fail to %d\n", literals[instrs[pc]],
+ debugBelch("TESTLT_F %d, fail to %d\n", literals[instrs[pc]],
instrs[pc+1]);
pc += 2; break;
case bci_TESTEQ_F:
- fprintf(stderr, "TESTEQ_F %d, fail to %d\n", literals[instrs[pc]],
+ debugBelch("TESTEQ_F %d, fail to %d\n", literals[instrs[pc]],
instrs[pc+1]);
pc += 2; break;
case bci_TESTLT_D:
- fprintf(stderr, "TESTLT_D %d, fail to %d\n", literals[instrs[pc]],
+ debugBelch("TESTLT_D %d, fail to %d\n", literals[instrs[pc]],
instrs[pc+1]);
pc += 2; break;
case bci_TESTEQ_D:
- fprintf(stderr, "TESTEQ_D %d, fail to %d\n", literals[instrs[pc]],
+ debugBelch("TESTEQ_D %d, fail to %d\n", literals[instrs[pc]],
instrs[pc+1]);
pc += 2; break;
case bci_TESTLT_P:
- fprintf(stderr, "TESTLT_P %d, fail to %d\n", instrs[pc],
+ debugBelch("TESTLT_P %d, fail to %d\n", instrs[pc],
instrs[pc+1]);
pc += 2; break;
case bci_TESTEQ_P:
- fprintf(stderr, "TESTEQ_P %d, fail to %d\n", instrs[pc],
+ debugBelch("TESTEQ_P %d, fail to %d\n", instrs[pc],
instrs[pc+1]);
pc += 2; break;
- case bci_RETURN:
- fprintf(stderr, "RETURN " ); printPtr( (StgPtr)itbls[instrs[pc]] );
- fprintf(stderr, "\n");
+ case bci_CASEFAIL:
+ debugBelch("CASEFAIL\n" );
+ break;
+ case bci_JMP:
+ debugBelch("JMP to %d\n", instrs[pc]);
pc += 1; break;
+
case bci_ENTER:
- fprintf(stderr, "ENTER\n");
+ debugBelch("ENTER\n");
break;
+
+ case bci_RETURN:
+ debugBelch("RETURN\n" );
+ break;
+ case bci_RETURN_P:
+ debugBelch("RETURN_P\n" );
+ break;
+ case bci_RETURN_N:
+ debugBelch("RETURN_N\n" );
+ break;
+ case bci_RETURN_F:
+ debugBelch("RETURN_F\n" );
+ break;
+ case bci_RETURN_D:
+ debugBelch("RETURN_D\n" );
+ break;
+ case bci_RETURN_L:
+ debugBelch("RETURN_L\n" );
+ break;
+ case bci_RETURN_V:
+ debugBelch("RETURN_V\n" );
+ break;
+
default:
barf("disInstr: unknown opcode");
}
void disassemble( StgBCO *bco )
{
nat i, j;
- StgArrWords* instr_arr = bco->instrs;
- UShort* instrs = (UShort*)(&instr_arr->payload[0]);
+ StgWord16* instrs = (StgWord16*)(bco->instrs->payload);
StgMutArrPtrs* ptrs = bco->ptrs;
nat nbcs = (int)instrs[0];
nat pc = 1;
- fprintf(stderr, "BCO\n" );
+ debugBelch("BCO\n" );
pc = 1;
while (pc <= nbcs) {
- fprintf(stderr, "\t%2d: ", pc );
+ debugBelch("\t%2d: ", pc );
pc = disInstr ( bco, pc );
}
- fprintf(stderr, "INSTRS:\n " );
+ debugBelch("INSTRS:\n " );
j = 16;
for (i = 0; i < nbcs; i++) {
- fprintf(stderr, "%3d ", (int)instrs[i] );
+ debugBelch("%3d ", (int)instrs[i] );
j--;
- if (j == 0) { j = 16; fprintf(stderr, "\n "); };
+ if (j == 0) { j = 16; debugBelch("\n "); };
}
- fprintf(stderr, "\n");
+ debugBelch("\n");
- fprintf(stderr, "PTRS:\n " );
+ debugBelch("PTRS:\n " );
j = 8;
for (i = 0; i < ptrs->ptrs; i++) {
- fprintf(stderr, "%8p ", ptrs->payload[i] );
+ debugBelch("%8p ", ptrs->payload[i] );
j--;
- if (j == 0) { j = 8; fprintf(stderr, "\n "); };
+ if (j == 0) { j = 8; debugBelch("\n "); };
}
- fprintf(stderr, "\n");
+ debugBelch("\n");
- fprintf(stderr, "\n");
+ debugBelch("\n");
ASSERT(pc == nbcs+1);
}
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