mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
2b592580bf
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12501 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
610 lines
13 KiB
C
610 lines
13 KiB
C
/**********************************************************************
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vm_dump.c -
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$Author$
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$Date$
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Copyright (C) 2004-2006 Koichi Sasada
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**********************************************************************/
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#include "ruby/ruby.h"
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#include "ruby/node.h"
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#include "yarvcore.h"
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#include "vm.h"
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#define MAX_POSBUF 128
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static void
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control_frame_dump(rb_thread_t *th, rb_control_frame_t *cfp)
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{
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int pc = -1, bp = -1, line = 0;
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unsigned int lfp = cfp->lfp - th->stack;
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unsigned int dfp = cfp->dfp - th->stack;
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char lfp_in_heap = ' ', dfp_in_heap = ' ';
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char posbuf[MAX_POSBUF+1];
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const char *magic, *iseq_name = "-", *selfstr = "-", *biseq_name = "-";
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VALUE tmp;
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if (cfp->block_iseq != 0 && BUILTIN_TYPE(cfp->block_iseq) != T_NODE) {
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biseq_name = ""; /* RSTRING(cfp->block_iseq->name)->ptr; */
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}
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if (lfp < 0 || lfp > th->stack_size) {
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lfp = (unsigned int)cfp->lfp;
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lfp_in_heap = 'p';
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}
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if (dfp < 0 || dfp > th->stack_size) {
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dfp = (unsigned int)cfp->dfp;
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dfp_in_heap = 'p';
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}
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if (cfp->bp) {
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bp = cfp->bp - th->stack;
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}
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switch (cfp->magic) {
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case FRAME_MAGIC_TOP:
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magic = "TOP";
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break;
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case FRAME_MAGIC_METHOD:
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magic = "METHOD";
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break;
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case FRAME_MAGIC_CLASS:
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magic = "CLASS";
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break;
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case FRAME_MAGIC_BLOCK:
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magic = "BLOCK";
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break;
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case FRAME_MAGIC_FINISH:
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magic = "FINISH";
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break;
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case FRAME_MAGIC_CFUNC:
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magic = "CFUNC";
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break;
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case FRAME_MAGIC_PROC:
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magic = "PROC";
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break;
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case FRAME_MAGIC_LAMBDA:
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magic = "LAMBDA";
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break;
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case FRAME_MAGIC_IFUNC:
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magic = "IFUNC";
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break;
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case FRAME_MAGIC_EVAL:
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magic = "EVAL";
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break;
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case 0:
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magic = "------";
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break;
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default:
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magic = "(none)";
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break;
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}
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if (0) {
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tmp = rb_inspect(cfp->self);
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selfstr = StringValueCStr(tmp);
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}
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else {
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selfstr = "";
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}
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if (cfp->iseq != 0) {
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if (RUBY_VM_IFUNC_P(cfp->iseq)) {
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iseq_name = "<ifunc>";
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}
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else {
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pc = cfp->pc - cfp->iseq->iseq_encoded;
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iseq_name = RSTRING_PTR(cfp->iseq->name);
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line = th_get_sourceline(cfp);
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if (line) {
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char fn[MAX_POSBUF+1];
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snprintf(fn, MAX_POSBUF, "%s", RSTRING_PTR(cfp->iseq->filename));
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snprintf(posbuf, MAX_POSBUF, "%s:%d", fn, line);
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}
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}
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}
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else if (cfp->method_id) {
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iseq_name = rb_id2name(cfp->method_id);
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snprintf(posbuf, MAX_POSBUF, ":%s", rb_id2name(cfp->method_id));
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line = -1;
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}
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fprintf(stderr, "c:%04ld ",
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(rb_control_frame_t *)(th->stack + th->stack_size) - cfp);
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if (pc == -1) {
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fprintf(stderr, "p:---- ");
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}
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else {
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fprintf(stderr, "p:%04d ", pc);
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}
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fprintf(stderr, "s:%04d b:%04d ", cfp->sp - th->stack, bp);
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fprintf(stderr, lfp_in_heap == ' ' ? "l:%06d " : "l:%06p ", lfp % 10000);
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fprintf(stderr, dfp_in_heap == ' ' ? "d:%06d " : "d:%06p ", dfp % 10000);
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fprintf(stderr, "%-6s ", magic);
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if (line) {
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fprintf(stderr, "%s", posbuf);
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}
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if (0) {
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fprintf(stderr, " \t");
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fprintf(stderr, "iseq: %-24s ", iseq_name);
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fprintf(stderr, "self: %-24s ", selfstr);
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fprintf(stderr, "%-1s ", biseq_name);
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}
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fprintf(stderr, "\n");
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}
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void
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vm_stack_dump_raw(rb_thread_t *th, rb_control_frame_t *cfp)
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{
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VALUE *sp = cfp->sp, *bp = cfp->bp;
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VALUE *lfp = cfp->lfp;
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VALUE *dfp = cfp->dfp;
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VALUE *p, *st, *t;
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fprintf(stderr, "-- stack frame ------------\n");
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for (p = st = th->stack; p < sp; p++) {
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fprintf(stderr, "%04ld (%p): %08lx", p - st, p, *p);
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t = (VALUE *)*p;
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if (th->stack <= t && t < sp) {
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fprintf(stderr, " (= %ld)", (VALUE *)GC_GUARDED_PTR_REF(t) - th->stack);
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}
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if (p == lfp)
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fprintf(stderr, " <- lfp");
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if (p == dfp)
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fprintf(stderr, " <- dfp");
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if (p == bp)
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fprintf(stderr, " <- bp"); /* should not be */
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fprintf(stderr, "\n");
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}
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fprintf(stderr, "-- control frame ----------\n");
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while ((void *)cfp < (void *)(th->stack + th->stack_size)) {
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control_frame_dump(th, cfp);
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cfp++;
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}
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fprintf(stderr, "---------------------------\n");
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}
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void
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env_dump_raw(rb_env_t *env, VALUE *lfp, VALUE *dfp)
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{
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int i;
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fprintf(stderr, "-- env --------------------\n");
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while (env) {
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fprintf(stderr, "--\n");
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for (i = 0; i < env->env_size; i++) {
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fprintf(stderr, "%04d: %08lx (%p)", -env->local_size + i, env->env[i],
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&env->env[i]);
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if (&env->env[i] == lfp)
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fprintf(stderr, " <- lfp");
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if (&env->env[i] == dfp)
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fprintf(stderr, " <- dfp");
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fprintf(stderr, "\n");
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}
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if (env->prev_envval != 0) {
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GetEnvPtr(env->prev_envval, env);
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}
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else {
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env = 0;
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}
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}
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fprintf(stderr, "---------------------------\n");
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}
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void
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proc_dump_raw(rb_proc_t *proc)
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{
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rb_env_t *env;
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char *selfstr;
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VALUE val = rb_inspect(proc->block.self);
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selfstr = StringValueCStr(val);
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fprintf(stderr, "-- proc -------------------\n");
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fprintf(stderr, "self: %s\n", selfstr);
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GetEnvPtr(proc->envval, env);
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env_dump_raw(env, proc->block.lfp, proc->block.dfp);
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}
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void
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stack_dump_th(VALUE thval)
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{
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rb_thread_t *th;
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GetThreadPtr(thval, th);
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vm_stack_dump_raw(th, th->cfp);
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}
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void
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stack_dump_each(rb_thread_t *th, rb_control_frame_t *cfp)
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{
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int i;
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VALUE rstr;
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VALUE *sp = cfp->sp;
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VALUE *lfp = cfp->lfp;
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VALUE *dfp = cfp->dfp;
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int argc, local_size;
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const char *name;
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rb_iseq_t *iseq = cfp->iseq;
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if (iseq == 0) {
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if (RUBYVM_CFUNC_FRAME_P(cfp)) {
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argc = 0;
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local_size = 0;
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name = rb_id2name(cfp->method_id);
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}
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else {
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name = "?";
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local_size = 0;
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}
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}
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else if (RUBY_VM_IFUNC_P(iseq)) {
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argc = 0;
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local_size = 0;
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name = "<ifunc>";
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}
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else {
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argc = iseq->argc;
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local_size = iseq->local_size;
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name = RSTRING_PTR(iseq->name);
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}
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/* stack trace header */
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if (cfp->magic == FRAME_MAGIC_METHOD ||
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cfp->magic == FRAME_MAGIC_TOP ||
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cfp->magic == FRAME_MAGIC_BLOCK ||
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cfp->magic == FRAME_MAGIC_CLASS ||
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cfp->magic == FRAME_MAGIC_PROC ||
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cfp->magic == FRAME_MAGIC_LAMBDA ||
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cfp->magic == FRAME_MAGIC_CFUNC ||
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cfp->magic == FRAME_MAGIC_IFUNC ||
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cfp->magic == FRAME_MAGIC_EVAL) {
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VALUE *ptr = dfp - local_size;
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stack_dump_each(th, cfp + 1);
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control_frame_dump(th, cfp);
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if (lfp != dfp) {
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local_size++;
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}
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for (i = 0; i < argc; i++) {
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rstr = rb_inspect(*ptr);
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fprintf(stderr, " arg %2d: %8s (%p)\n", i, StringValueCStr(rstr),
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ptr++);
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}
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for (; i < local_size - 1; i++) {
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rstr = rb_inspect(*ptr);
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fprintf(stderr, " local %2d: %8s (%p)\n", i, StringValueCStr(rstr),
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ptr++);
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}
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ptr = cfp->bp;
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for (; ptr < sp; ptr++, i++) {
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if (*ptr == Qundef) {
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rstr = rb_str_new2("undef");
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}
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else {
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rstr = rb_inspect(*ptr);
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}
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fprintf(stderr, " stack %2d: %8s (%ld)\n", i, StringValueCStr(rstr),
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ptr - th->stack);
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}
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}
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else if (cfp->magic == FRAME_MAGIC_FINISH) {
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if ((th)->stack + (th)->stack_size > (VALUE *)(cfp + 2)) {
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stack_dump_each(th, cfp + 1);
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}
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else {
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/* SDR(); */
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}
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}
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else {
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rb_bug("unsupport frame type: %08lx", cfp->magic);
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}
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}
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void
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debug_print_register(rb_thread_t *th)
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{
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rb_control_frame_t *cfp = th->cfp;
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int pc = -1;
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int lfp = cfp->lfp - th->stack;
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int dfp = cfp->dfp - th->stack;
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int cfpi;
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if (RUBY_VM_NORMAL_ISEQ_P(cfp->iseq)) {
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pc = cfp->pc - cfp->iseq->iseq_encoded;
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}
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if (lfp < 0 || lfp > th->stack_size)
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lfp = -1;
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if (dfp < 0 || dfp > th->stack_size)
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dfp = -1;
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cfpi = ((rb_control_frame_t *)(th->stack + th->stack_size)) - cfp;
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fprintf(stderr, " [PC] %04d, [SP] %04ld, [LFP] %04d, [DFP] %04d, [CFP] %04d\n",
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pc, cfp->sp - th->stack, lfp, dfp, cfpi);
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}
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void
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thread_dump_regs(VALUE thval)
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{
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rb_thread_t *th;
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GetThreadPtr(thval, th);
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debug_print_register(th);
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}
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void
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debug_print_pre(rb_thread_t *th, rb_control_frame_t *cfp)
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{
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rb_iseq_t *iseq = cfp->iseq;
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if (iseq != 0 && cfp->magic != FRAME_MAGIC_FINISH) {
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VALUE *seq = iseq->iseq;
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int pc = cfp->pc - iseq->iseq_encoded;
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ruby_iseq_disasm_insn(0, seq, pc, iseq, 0);
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}
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#if VMDEBUG > 3
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fprintf(stderr, " (1)");
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debug_print_register(th);
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#endif
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}
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void
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debug_print_post(rb_thread_t *th, rb_control_frame_t *cfp
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#if OPT_STACK_CACHING
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, VALUE reg_a, VALUE reg_b
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#endif
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)
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{
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#if VMDEBUG > 9
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SDR2(cfp);
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#endif
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#if VMDEBUG > 3
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fprintf(stderr, " (2)");
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debug_print_register(th);
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#endif
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/* stack_dump_raw(th, cfp); */
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#if VMDEBUG > 2
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/* stack_dump_thobj(th); */
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stack_dump_each(th, th->cfp);
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#if OPT_STACK_CACHING
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{
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VALUE rstr;
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rstr = rb_inspect(reg_a);
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fprintf(stderr, " sc reg A: %s\n", StringValueCStr(rstr));
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rstr = rb_inspect(reg_b);
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fprintf(stderr, " sc reg B: %s\n", StringValueCStr(rstr));
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}
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#endif
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printf
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("--------------------------------------------------------------\n");
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#endif
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#if VMDEBUG > 9
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GC_CHECK();
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#endif
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}
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#ifdef COLLECT_USAGE_ANALYSIS
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/* uh = {
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* insn(Fixnum) => ihash(Hash)
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* }
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* ihash = {
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* -1(Fixnum) => count, # insn usage
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* 0(Fixnum) => ophash, # operand usage
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* }
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* ophash = {
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* val(interned string) => count(Fixnum)
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* }
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*/
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void
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vm_analysis_insn(int insn)
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{
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static ID usage_hash;
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static ID bigram_hash;
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static int prev_insn = -1;
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VALUE uh;
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VALUE ihash;
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VALUE cv;
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SET_YARV_STOP();
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if (usage_hash == 0) {
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usage_hash = rb_intern("USAGE_ANALISYS_INSN");
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bigram_hash = rb_intern("USAGE_ANALISYS_INSN_BIGRAM");
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}
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uh = rb_const_get(mYarvCore, usage_hash);
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if ((ihash = rb_hash_aref(uh, INT2FIX(insn))) == Qnil) {
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ihash = rb_hash_new();
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rb_hash_aset(uh, INT2FIX(insn), ihash);
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}
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if ((cv = rb_hash_aref(ihash, INT2FIX(-1))) == Qnil) {
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cv = INT2FIX(0);
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}
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rb_hash_aset(ihash, INT2FIX(-1), INT2FIX(FIX2INT(cv) + 1));
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/* calc bigram */
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if (prev_insn != -1) {
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VALUE bi;
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VALUE ary[2];
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VALUE cv;
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ary[0] = INT2FIX(prev_insn);
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ary[1] = INT2FIX(insn);
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bi = rb_ary_new4(2, &ary[0]);
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uh = rb_const_get(mYarvCore, bigram_hash);
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if ((cv = rb_hash_aref(uh, bi)) == Qnil) {
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cv = INT2FIX(0);
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}
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rb_hash_aset(uh, bi, INT2FIX(FIX2INT(cv) + 1));
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}
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prev_insn = insn;
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SET_YARV_START();
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}
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/* from disasm.c */
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extern VALUE insn_operand_intern(int insn, int op_no, VALUE op,
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int len, int pos, VALUE child);
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void
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vm_analysis_operand(int insn, int n, VALUE op)
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{
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static ID usage_hash;
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VALUE uh;
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VALUE ihash;
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VALUE ophash;
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VALUE valstr;
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VALUE cv;
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SET_YARV_STOP();
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if (usage_hash == 0) {
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usage_hash = rb_intern("USAGE_ANALISYS_INSN");
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}
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uh = rb_const_get(mYarvCore, usage_hash);
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if ((ihash = rb_hash_aref(uh, INT2FIX(insn))) == Qnil) {
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ihash = rb_hash_new();
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rb_hash_aset(uh, INT2FIX(insn), ihash);
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}
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if ((ophash = rb_hash_aref(ihash, INT2FIX(n))) == Qnil) {
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ophash = rb_hash_new();
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rb_hash_aset(ihash, INT2FIX(n), ophash);
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}
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/* intern */
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valstr = insn_operand_intern(insn, n, op, 0, 0, 0);
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/* set count */
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if ((cv = rb_hash_aref(ophash, valstr)) == Qnil) {
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cv = INT2FIX(0);
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}
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rb_hash_aset(ophash, valstr, INT2FIX(FIX2INT(cv) + 1));
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SET_YARV_START();
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}
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void
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vm_analysis_register(int reg, int isset)
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{
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static ID usage_hash;
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VALUE uh;
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VALUE rhash;
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VALUE valstr;
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char *regstrs[] = {
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"pc", /* 0 */
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"sp", /* 1 */
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"cfp", /* 2 */
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"lfp", /* 3 */
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"dfp", /* 4 */
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"self", /* 5 */
|
|
"iseq", /* 6 */
|
|
};
|
|
char *getsetstr[] = {
|
|
"get",
|
|
"set",
|
|
};
|
|
static VALUE syms[sizeof(regstrs) / sizeof(regstrs[0])][2];
|
|
|
|
VALUE cv;
|
|
|
|
SET_YARV_STOP();
|
|
|
|
if (usage_hash == 0) {
|
|
char buff[0x10];
|
|
int i;
|
|
|
|
usage_hash = rb_intern("USAGE_ANALISYS_REGS");
|
|
|
|
for (i = 0; i < sizeof(regstrs) / sizeof(regstrs[0]); i++) {
|
|
int j;
|
|
for (j = 0; j < 2; j++) {
|
|
snfprintf(stderr, buff, 0x10, "%d %s %-4s", i, getsetstr[j],
|
|
regstrs[i]);
|
|
syms[i][j] = ID2SYM(rb_intern(buff));
|
|
}
|
|
}
|
|
}
|
|
valstr = syms[reg][isset];
|
|
|
|
uh = rb_const_get(mYarvCore, usage_hash);
|
|
if ((cv = rb_hash_aref(uh, valstr)) == Qnil) {
|
|
cv = INT2FIX(0);
|
|
}
|
|
rb_hash_aset(uh, valstr, INT2FIX(FIX2INT(cv) + 1));
|
|
|
|
SET_YARV_START();
|
|
}
|
|
|
|
|
|
#endif
|
|
|
|
|
|
VALUE
|
|
thread_dump_state(VALUE self)
|
|
{
|
|
rb_thread_t *th;
|
|
rb_control_frame_t *cfp;
|
|
GetThreadPtr(self, th);
|
|
cfp = th->cfp;
|
|
|
|
fprintf(stderr, "Thread state dump:\n");
|
|
fprintf(stderr, "pc : %p, sp : %p\n", cfp->pc, cfp->sp);
|
|
fprintf(stderr, "cfp: %p, lfp: %p, dfp: %p\n", cfp, cfp->lfp, cfp->dfp);
|
|
|
|
return Qnil;
|
|
}
|
|
|
|
void
|
|
yarv_bug(void)
|
|
{
|
|
rb_thread_t *th = GET_THREAD();
|
|
VALUE bt;
|
|
|
|
if (GET_THREAD()->vm) {
|
|
int i;
|
|
SDR();
|
|
|
|
bt = th_backtrace(th, 0);
|
|
if (TYPE(bt) == T_ARRAY)
|
|
for (i = 0; i < RARRAY_LEN(bt); i++) {
|
|
dp(RARRAY_PTR(bt)[i]);
|
|
}
|
|
}
|
|
|
|
#if HAVE_BACKTRACE
|
|
#include <execinfo.h>
|
|
#define MAX_NATIVE_TRACE 1024
|
|
{
|
|
static void *trace[MAX_NATIVE_TRACE];
|
|
int n = backtrace(trace, MAX_NATIVE_TRACE);
|
|
int i;
|
|
|
|
fprintf(stderr, "-- backtrace of native function call (Use addr2line) --\n");
|
|
for (i=0; i<n; i++) {
|
|
fprintf(stderr, "%p\n", trace[i]);
|
|
}
|
|
fprintf(stderr, "-------------------------------------------------------\n");
|
|
}
|
|
#endif
|
|
}
|