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mruby-mruby/src/codedump.c
T
Yukihiro "Matz" Matsumoto fd597d2655 codedump.c: print local variable name for `ADDI/SUBI/ instructions. 
Recent peephole optimization made `ADDI/SUBI` destinations possibly
local variables.
2021-08-11 10:48:18 +09:00

598 lines
16 KiB
C
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#include <mruby.h>
#include <mruby/irep.h>
#include <mruby/debug.h>
#include <mruby/opcode.h>
#include <mruby/string.h>
#include <mruby/proc.h>
#include <mruby/dump.h>
#ifndef MRB_NO_STDIO
static void
print_r(mrb_state *mrb, const mrb_irep *irep, size_t n)
{
if (n == 0) return;
if (n >= irep->nlocals) return;
if (!irep->lv[n-1]) return;
printf(" R%d:%s", (int)n, mrb_sym_dump(mrb, irep->lv[n-1]));
}
static void
print_lv_a(mrb_state *mrb, const mrb_irep *irep, uint16_t a)
{
if (!irep->lv || a >= irep->nlocals || a == 0) {
printf("\n");
return;
}
printf("\t;");
print_r(mrb, irep, a);
printf("\n");
}
static void
print_lv_ab(mrb_state *mrb, const mrb_irep *irep, uint16_t a, uint16_t b)
{
if (!irep->lv || (a >= irep->nlocals && b >= irep->nlocals) || a+b == 0) {
printf("\n");
return;
}
printf("\t;");
if (a > 0) print_r(mrb, irep, a);
if (b > 0) print_r(mrb, irep, b);
printf("\n");
}
static void
print_header(mrb_state *mrb, const mrb_irep *irep, uint32_t i)
{
int32_t line;
line = mrb_debug_get_line(mrb, irep, i);
if (line < 0) {
printf(" ");
}
else {
printf("%5d ", line);
}
printf("%03d ", (int)i);
}
#define CASE(insn,ops) case insn: FETCH_ ## ops (); L_ ## insn
static void
codedump(mrb_state *mrb, const mrb_irep *irep)
{
int ai;
const mrb_code *pc, *pcend;
mrb_code ins;
const char *file = NULL, *next_file;
if (!irep) return;
printf("irep %p nregs=%d nlocals=%d pools=%d syms=%d reps=%d ilen=%d\n", (void*)irep,
irep->nregs, irep->nlocals, (int)irep->plen, (int)irep->slen, (int)irep->rlen, (int)irep->ilen);
if (irep->lv) {
int i;
printf("local variable names:\n");
for (i = 1; i < irep->nlocals; ++i) {
char const *s = mrb_sym_dump(mrb, irep->lv[i - 1]);
printf(" R%d:%s\n", i, s ? s : "");
}
}
if (irep->clen > 0) {
int i = irep->clen;
const struct mrb_irep_catch_handler *e = mrb_irep_catch_handler_table(irep);
for (; i > 0; i --, e ++) {
uint32_t begin = mrb_irep_catch_handler_unpack(e->begin);
uint32_t end = mrb_irep_catch_handler_unpack(e->end);
uint32_t target = mrb_irep_catch_handler_unpack(e->target);
char buf[20];
const char *type;
switch (e->type) {
case MRB_CATCH_RESCUE:
type = "rescue";
break;
case MRB_CATCH_ENSURE:
type = "ensure";
break;
default:
buf[0] = '\0';
snprintf(buf, sizeof(buf), "0x%02x <unknown>", (int)e->type);
type = buf;
break;
}
printf("catch type: %-8s begin: %04" PRIu32 " end: %04" PRIu32 " target: %04" PRIu32 "\n", type, begin, end, target);
}
}
pc = irep->iseq;
pcend = pc + irep->ilen;
while (pc < pcend) {
ptrdiff_t i;
uint32_t a;
uint16_t b;
uint16_t c;
ai = mrb_gc_arena_save(mrb);
i = pc - irep->iseq;
next_file = mrb_debug_get_filename(mrb, irep, (uint32_t)i);
if (next_file && file != next_file) {
printf("file: %s\n", next_file);
file = next_file;
}
print_header(mrb, irep, (uint32_t)i);
ins = READ_B();
switch (ins) {
CASE(OP_NOP, Z):
printf("OP_NOP\n");
break;
CASE(OP_MOVE, BB):
printf("OP_MOVE\tR%d\tR%d\t", a, b);
print_lv_ab(mrb, irep, a, b);
break;
CASE(OP_LOADL, BB):
switch (irep->pool[b].tt) {
#ifndef MRB_NO_FLOAT
case IREP_TT_FLOAT:
printf("OP_LOADL\tR%d\tL(%d)\t; %f", a, b, (double)irep->pool[b].u.f);
break;
#endif
case IREP_TT_INT32:
printf("OP_LOADL\tR%d\tL(%d)\t; %" PRId32, a, b, irep->pool[b].u.i32);
break;
#ifdef MRB_64BIT
case IREP_TT_INT64:
printf("OP_LOADL\tR%d\tL(%d)\t; %" PRId64, a, b, irep->pool[b].u.i64);
break;
#endif
default:
printf("OP_LOADL\tR%d\tL(%d)\t", a, b);
break;
}
print_lv_a(mrb, irep, a);
break;
CASE(OP_LOADI, BB):
printf("OP_LOADI\tR%d\t%d\t", a, b);
print_lv_a(mrb, irep, a);
break;
CASE(OP_LOADINEG, BB):
printf("OP_LOADI\tR%d\t-%d\t", a, b);
print_lv_a(mrb, irep, a);
break;
CASE(OP_LOADI16, BS):
printf("OP_LOADI16\tR%d\t%d\t", a, (int)(int16_t)b);
print_lv_a(mrb, irep, a);
break;
CASE(OP_LOADI32, BSS):
printf("OP_LOADI32\tR%d\t%d\t", a, (int32_t)(((uint32_t)b<<16)+c));
print_lv_a(mrb, irep, a);
break;
CASE(OP_LOADI__1, B):
printf("OP_LOADI__1\tR%d\t\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_LOADI_0, B): goto L_LOADI;
CASE(OP_LOADI_1, B): goto L_LOADI;
CASE(OP_LOADI_2, B): goto L_LOADI;
CASE(OP_LOADI_3, B): goto L_LOADI;
CASE(OP_LOADI_4, B): goto L_LOADI;
CASE(OP_LOADI_5, B): goto L_LOADI;
CASE(OP_LOADI_6, B): goto L_LOADI;
CASE(OP_LOADI_7, B):
L_LOADI:
printf("OP_LOADI_%d\tR%d\t\t", ins-(int)OP_LOADI_0, a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_LOADSYM, BB):
printf("OP_LOADSYM\tR%d\t:%s\t", a, mrb_sym_dump(mrb, irep->syms[b]));
print_lv_a(mrb, irep, a);
break;
CASE(OP_LOADNIL, B):
printf("OP_LOADNIL\tR%d\t\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_LOADSELF, B):
printf("OP_LOADSELF\tR%d\t\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_LOADT, B):
printf("OP_LOADT\tR%d\t\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_LOADF, B):
printf("OP_LOADF\tR%d\t\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_GETGV, BB):
printf("OP_GETGV\tR%d\t%s\t", a, mrb_sym_dump(mrb, irep->syms[b]));
print_lv_a(mrb, irep, a);
break;
CASE(OP_SETGV, BB):
printf("OP_SETGV\t%s\tR%d\t", mrb_sym_dump(mrb, irep->syms[b]), a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_GETSV, BB):
printf("OP_GETSV\tR%d\t%s\t", a, mrb_sym_dump(mrb, irep->syms[b]));
print_lv_a(mrb, irep, a);
break;
CASE(OP_SETSV, BB):
printf("OP_SETSV\t%s\tR%d\t", mrb_sym_dump(mrb, irep->syms[b]), a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_GETCONST, BB):
printf("OP_GETCONST\tR%d\t%s\t", a, mrb_sym_dump(mrb, irep->syms[b]));
print_lv_a(mrb, irep, a);
break;
CASE(OP_SETCONST, BB):
printf("OP_SETCONST\t%s\tR%d\t", mrb_sym_dump(mrb, irep->syms[b]), a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_GETMCNST, BB):
printf("OP_GETMCNST\tR%d\tR%d::%s\t", a, a, mrb_sym_dump(mrb, irep->syms[b]));
print_lv_a(mrb, irep, a);
break;
CASE(OP_SETMCNST, BB):
printf("OP_SETMCNST\tR%d::%s\tR%d\t", a+1, mrb_sym_dump(mrb, irep->syms[b]), a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_GETIV, BB):
printf("OP_GETIV\tR%d\t%s\t", a, mrb_sym_dump(mrb, irep->syms[b]));
print_lv_a(mrb, irep, a);
break;
CASE(OP_SETIV, BB):
printf("OP_SETIV\t%s\tR%d\t", mrb_sym_dump(mrb, irep->syms[b]), a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_GETUPVAR, BBB):
printf("OP_GETUPVAR\tR%d\t%d\t%d\t", a, b, c);
print_lv_a(mrb, irep, a);
break;
CASE(OP_SETUPVAR, BBB):
printf("OP_SETUPVAR\tR%d\t%d\t%d\t", a, b, c);
print_lv_a(mrb, irep, a);
break;
CASE(OP_GETCV, BB):
printf("OP_GETCV\tR%d\t%s\t", a, mrb_sym_dump(mrb, irep->syms[b]));
print_lv_a(mrb, irep, a);
break;
CASE(OP_SETCV, BB):
printf("OP_SETCV\t%s\tR%d\t", mrb_sym_dump(mrb, irep->syms[b]), a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_JMP, S):
i = pc - irep->iseq;
printf("OP_JMP\t\t%03d\n", (int)i+(int16_t)a);
break;
CASE(OP_JMPUW, S):
i = pc - irep->iseq;
printf("OP_JMPUW\t\t%03d\n", (int)i+(int16_t)a);
break;
CASE(OP_JMPIF, BS):
i = pc - irep->iseq;
printf("OP_JMPIF\tR%d\t%03d\t", a, (int)i+(int16_t)b);
print_lv_a(mrb, irep, a);
break;
CASE(OP_JMPNOT, BS):
i = pc - irep->iseq;
printf("OP_JMPNOT\tR%d\t%03d\t", a, (int)i+(int16_t)b);
print_lv_a(mrb, irep, a);
break;
CASE(OP_JMPNIL, BS):
i = pc - irep->iseq;
printf("OP_JMPNIL\tR%d\t%03d\t", a, (int)i+(int16_t)b);
print_lv_a(mrb, irep, a);
break;
CASE(OP_SENDV, BB):
printf("OP_SENDV\tR%d\t:%s\n", a, mrb_sym_dump(mrb, irep->syms[b]));
break;
CASE(OP_SENDVB, BB):
printf("OP_SENDVB\tR%d\t:%s\n", a, mrb_sym_dump(mrb, irep->syms[b]));
break;
CASE(OP_SEND, BBB):
printf("OP_SEND\tR%d\t:%s\t%d\n", a, mrb_sym_dump(mrb, irep->syms[b]), c);
break;
CASE(OP_SENDB, BBB):
printf("OP_SENDB\tR%d\t:%s\t%d\n", a, mrb_sym_dump(mrb, irep->syms[b]), c);
break;
CASE(OP_SENDVK, BB):
printf("OP_SENDVK\tR%d\t:%s\n", a, mrb_sym_dump(mrb, irep->syms[b]));
break;
CASE(OP_CALL, Z):
printf("OP_CALL\n");
break;
CASE(OP_SUPER, BB):
printf("OP_SUPER\tR%d\t%d\n", a, b);
break;
CASE(OP_ARGARY, BS):
printf("OP_ARGARY\tR%d\t%d:%d:%d:%d (%d)", a,
(b>>11)&0x3f,
(b>>10)&0x1,
(b>>5)&0x1f,
(b>>4)&0x1,
(b>>0)&0xf);
print_lv_a(mrb, irep, a);
break;
CASE(OP_ENTER, W):
printf("OP_ENTER\t%d:%d:%d:%d:%d:%d:%d\n",
MRB_ASPEC_REQ(a),
MRB_ASPEC_OPT(a),
MRB_ASPEC_REST(a),
MRB_ASPEC_POST(a),
MRB_ASPEC_KEY(a),
MRB_ASPEC_KDICT(a),
MRB_ASPEC_BLOCK(a));
break;
CASE(OP_KEY_P, BB):
printf("OP_KEY_P\tR%d\t:%s\t", a, mrb_sym_dump(mrb, irep->syms[b]));
print_lv_a(mrb, irep, a);
break;
CASE(OP_KEYEND, Z):
printf("OP_KEYEND\n");
break;
CASE(OP_KARG, BB):
printf("OP_KARG\tR%d\t:%s\t", a, mrb_sym_dump(mrb, irep->syms[b]));
print_lv_a(mrb, irep, a);
break;
CASE(OP_RETURN, B):
printf("OP_RETURN\tR%d\t\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_RETURN_BLK, B):
printf("OP_RETURN_BLK\tR%d\t\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_BREAK, B):
printf("OP_BREAK\tR%d\t\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_BLKPUSH, BS):
printf("OP_BLKPUSH\tR%d\t%d:%d:%d:%d (%d)", a,
(b>>11)&0x3f,
(b>>10)&0x1,
(b>>5)&0x1f,
(b>>4)&0x1,
(b>>0)&0xf);
print_lv_a(mrb, irep, a);
break;
CASE(OP_LAMBDA, BB):
printf("OP_LAMBDA\tR%d\tI(%d:%p)\n", a, b, (void*)irep->reps[b]);
break;
CASE(OP_BLOCK, BB):
printf("OP_BLOCK\tR%d\tI(%d:%p)\n", a, b, (void*)irep->reps[b]);
break;
CASE(OP_METHOD, BB):
printf("OP_METHOD\tR%d\tI(%d:%p)\n", a, b, (void*)irep->reps[b]);
break;
CASE(OP_RANGE_INC, B):
printf("OP_RANGE_INC\tR%d\n", a);
break;
CASE(OP_RANGE_EXC, B):
printf("OP_RANGE_EXC\tR%d\n", a);
break;
CASE(OP_DEF, BB):
printf("OP_DEF\tR%d\t:%s\n", a, mrb_sym_dump(mrb, irep->syms[b]));
break;
CASE(OP_UNDEF, B):
printf("OP_UNDEF\t:%s\n", mrb_sym_dump(mrb, irep->syms[a]));
break;
CASE(OP_ALIAS, BB):
printf("OP_ALIAS\t:%s\t%s\n", mrb_sym_dump(mrb, irep->syms[a]), mrb_sym_dump(mrb, irep->syms[b]));
break;
CASE(OP_ADD, B):
printf("OP_ADD\tR%d\tR%d\n", a, a+1);
break;
CASE(OP_ADDI, BB):
printf("OP_ADDI\tR%d\t%d", a, b);
print_lv_a(mrb, irep, a);
break;
CASE(OP_SUB, B):
printf("OP_SUB\tR%d\tR%d\n", a, a+1);
break;
CASE(OP_SUBI, BB):
printf("OP_SUBI\tR%d\t%d", a, b);
print_lv_a(mrb, irep, a);
break;
CASE(OP_MUL, B):
printf("OP_MUL\tR%d\tR%d\n", a, a+1);
break;
CASE(OP_DIV, B):
printf("OP_DIV\tR%d\tR%d\n", a, a+1);
break;
CASE(OP_LT, B):
printf("OP_LT\t\tR%d\tR%d\n", a, a+1);
break;
CASE(OP_LE, B):
printf("OP_LE\t\tR%d\tR%d\n", a, a+1);
break;
CASE(OP_GT, B):
printf("OP_GT\t\tR%d\tR%d\n", a, a+1);
break;
CASE(OP_GE, B):
printf("OP_GE\t\tR%d\tR%d\n", a, a+1);
break;
CASE(OP_EQ, B):
printf("OP_EQ\t\tR%d\tR%d\n", a, a+1);
break;
CASE(OP_ARRAY, BB):
printf("OP_ARRAY\tR%d\t%d\t", a, b);
print_lv_a(mrb, irep, a);
break;
CASE(OP_ARRAY2, BBB):
printf("OP_ARRAY\tR%d\tR%d\t%d\t", a, b, c);
print_lv_ab(mrb, irep, a, b);
break;
CASE(OP_ARYCAT, B):
printf("OP_ARYCAT\tR%d\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_ARYPUSH, B):
printf("OP_ARYPUSH\tR%d\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_ARYDUP, B):
printf("OP_ARYDUP\tR%d\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_AREF, BBB):
printf("OP_AREF\tR%d\tR%d\t%d", a, b, c);
print_lv_ab(mrb, irep, a, b);
break;
CASE(OP_ASET, BBB):
printf("OP_ASET\tR%d\tR%d\t%d", a, b, c);
print_lv_ab(mrb, irep, a, b);
break;
CASE(OP_APOST, BBB):
printf("OP_APOST\tR%d\t%d\t%d", a, b, c);
print_lv_a(mrb, irep, a);
break;
CASE(OP_INTERN, B):
printf("OP_INTERN\tR%d", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_STRING, BB):
if ((irep->pool[b].tt & IREP_TT_NFLAG) == 0) {
printf("OP_STRING\tR%d\tL(%d)\t; %s", a, b, irep->pool[b].u.str);
}
else {
printf("OP_STRING\tR%d\tL(%d)\t", a, b);
}
print_lv_a(mrb, irep, a);
break;
CASE(OP_STRCAT, B):
printf("OP_STRCAT\tR%d\tR%d", a, a+1);
print_lv_a(mrb, irep, a);
break;
CASE(OP_HASH, BB):
printf("OP_HASH\tR%d\t%d\t", a, b);
print_lv_a(mrb, irep, a);
break;
CASE(OP_HASHADD, BB):
printf("OP_HASHADD\tR%d\t%d\t", a, b);
print_lv_a(mrb, irep, a);
break;
CASE(OP_HASHCAT, B):
printf("OP_HASHCAT\tR%d\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_OCLASS, B):
printf("OP_OCLASS\tR%d\t\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_CLASS, BB):
printf("OP_CLASS\tR%d\t:%s", a, mrb_sym_dump(mrb, irep->syms[b]));
print_lv_a(mrb, irep, a);
break;
CASE(OP_MODULE, BB):
printf("OP_MODULE\tR%d\t:%s", a, mrb_sym_dump(mrb, irep->syms[b]));
print_lv_a(mrb, irep, a);
break;
CASE(OP_EXEC, BB):
printf("OP_EXEC\tR%d\tI(%d:%p)", a, b, (void*)irep->reps[b]);
print_lv_a(mrb, irep, a);
break;
CASE(OP_SCLASS, B):
printf("OP_SCLASS\tR%d\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_TCLASS, B):
printf("OP_TCLASS\tR%d\t\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_ERR, B):
if ((irep->pool[a].tt & IREP_TT_NFLAG) == 0) {
printf("OP_ERR\t%s\n", irep->pool[a].u.str);
}
else {
printf("OP_ERR\tL(%d)\n", a);
}
break;
CASE(OP_EXCEPT, B):
printf("OP_EXCEPT\tR%d\t\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_RESCUE, BB):
printf("OP_RESCUE\tR%d\tR%d", a, b);
print_lv_ab(mrb, irep, a, b);
break;
CASE(OP_RAISEIF, B):
printf("OP_RAISEIF\tR%d\t\t", a);
print_lv_a(mrb, irep, a);
break;
CASE(OP_DEBUG, BBB):
printf("OP_DEBUG\t%d\t%d\t%d\n", a, b, c);
break;
CASE(OP_STOP, Z):
printf("OP_STOP\n");
break;
CASE(OP_EXT1, Z):
ins = READ_B();
printf("OP_EXT1\n");
print_header(mrb, irep, pc-irep->iseq-2);
switch (ins) {
#define OPCODE(i,x) case OP_ ## i: FETCH_ ## x ## _1 (); goto L_OP_ ## i;
#include "mruby/ops.h"
#undef OPCODE
}
break;
CASE(OP_EXT2, Z):
ins = READ_B();
printf("OP_EXT2\n");
print_header(mrb, irep, pc-irep->iseq-2);
switch (ins) {
#define OPCODE(i,x) case OP_ ## i: FETCH_ ## x ## _2 (); goto L_OP_ ## i;
#include "mruby/ops.h"
#undef OPCODE
}
break;
CASE(OP_EXT3, Z):
ins = READ_B();
printf("OP_EXT3\n");
print_header(mrb, irep, pc-irep->iseq-2);
switch (ins) {
#define OPCODE(i,x) case OP_ ## i: FETCH_ ## x ## _3 (); goto L_OP_ ## i;
#include "mruby/ops.h"
#undef OPCODE
}
break;
default:
printf("OP_unknown (0x%x)\n", ins);
break;
}
mrb_gc_arena_restore(mrb, ai);
}
printf("\n");
}
static void
codedump_recur(mrb_state *mrb, const mrb_irep *irep)
{
int i;
codedump(mrb, irep);
if (irep->reps) {
for (i=0; i<irep->rlen; i++) {
codedump_recur(mrb, irep->reps[i]);
}
}
}
#endif
void
mrb_codedump_all(mrb_state *mrb, struct RProc *proc)
{
#ifndef MRB_NO_STDIO
codedump_recur(mrb, proc->body.irep);
#endif
}
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