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authorko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2006-12-31 15:02:22 +0000
committerko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2006-12-31 15:02:22 +0000
commita3e1b1ce7ed7e7ffac23015fc2fde56511b30681 (patch)
tree7b725552a9a4ded93849ca2faab1b257f7761790 /vm_dump.c
parent3e7566d8fb5138bb9cd647e5fdefc54fc9803509 (diff)
* Merge YARV
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11439 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'vm_dump.c')
-rw-r--r--vm_dump.c610
1 files changed, 610 insertions, 0 deletions
diff --git a/vm_dump.c b/vm_dump.c
new file mode 100644
index 0000000..698bc0e
--- /dev/null
+++ b/vm_dump.c
@@ -0,0 +1,610 @@
+/**********************************************************************
+
+ vm_dump.c -
+
+ $Author$
+ $Date$
+
+ Copyright (C) 2004-2006 Koichi Sasada
+
+**********************************************************************/
+
+
+#include <ruby.h>
+#include <node.h>
+
+#include "yarvcore.h"
+#include "vm.h"
+
+#define MAX_POSBUF 128
+
+static void
+control_frame_dump(yarv_thread_t *th, yarv_control_frame_t *cfp)
+{
+ int pc = -1, bp = -1, line = 0;
+ unsigned int lfp = cfp->lfp - th->stack;
+ unsigned int dfp = cfp->dfp - th->stack;
+ char lfp_in_heap = ' ', dfp_in_heap = ' ';
+ char posbuf[MAX_POSBUF+1];
+
+ const char *magic, *iseq_name = "-", *selfstr = "-", *biseq_name = "-";
+ VALUE tmp;
+
+ if (cfp->block_iseq != 0 && BUILTIN_TYPE(cfp->block_iseq) != T_NODE) {
+ biseq_name = ""; //RSTRING(cfp->block_iseq->name)->ptr;
+ }
+
+ if (lfp < 0 || lfp > th->stack_size) {
+ lfp = (unsigned int)cfp->lfp;
+ lfp_in_heap = 'p';
+ }
+ if (dfp < 0 || dfp > th->stack_size) {
+ dfp = (unsigned int)cfp->dfp;
+ dfp_in_heap = 'p';
+ }
+ if (cfp->bp) {
+ bp = cfp->bp - th->stack;
+ }
+
+ switch (cfp->magic) {
+ case FRAME_MAGIC_TOP:
+ magic = "TOP";
+ break;
+ case FRAME_MAGIC_METHOD:
+ magic = "METHOD";
+ break;
+ case FRAME_MAGIC_CLASS:
+ magic = "CLASS";
+ break;
+ case FRAME_MAGIC_BLOCK:
+ magic = "BLOCK";
+ break;
+ case FRAME_MAGIC_FINISH:
+ magic = "FINISH";
+ break;
+ case FRAME_MAGIC_CFUNC:
+ magic = "CFUNC";
+ break;
+ case FRAME_MAGIC_PROC:
+ magic = "PROC";
+ break;
+ case FRAME_MAGIC_LAMBDA:
+ magic = "LAMBDA";
+ break;
+ case FRAME_MAGIC_IFUNC:
+ magic = "IFUNC";
+ break;
+ case FRAME_MAGIC_EVAL:
+ magic = "EVAL";
+ break;
+ case 0:
+ magic = "------";
+ break;
+ default:
+ magic = "(none)";
+ break;
+ }
+
+ if (0) {
+ tmp = rb_inspect(cfp->self);
+ selfstr = StringValueCStr(tmp);
+ }
+ else {
+ selfstr = "";
+ }
+
+ if (cfp->iseq != 0) {
+ if (YARV_IFUNC_P(cfp->iseq)) {
+ iseq_name = "<ifunc>";
+ }
+ else {
+ pc = cfp->pc - cfp->iseq->iseq_encoded;
+ iseq_name = RSTRING_PTR(cfp->iseq->name);
+ line = th_get_sourceline(cfp);
+ if (line) {
+ char fn[MAX_POSBUF+1];
+ snprintf(fn, MAX_POSBUF, "%s", RSTRING_PTR(cfp->iseq->file_name));
+ snprintf(posbuf, MAX_POSBUF, "%s:%d", fn, line);
+ }
+ }
+ }
+ else if (cfp->method_id) {
+ iseq_name = rb_id2name(cfp->method_id);
+ snprintf(posbuf, MAX_POSBUF, ":%s", rb_id2name(cfp->method_id));
+ line = -1;
+ }
+
+ fprintf(stderr, "c:%04ld ",
+ (yarv_control_frame_t *)(th->stack + th->stack_size) - cfp);
+ if (pc == -1) {
+ fprintf(stderr, "p:---- ");
+ }
+ else {
+ fprintf(stderr, "p:%04d ", pc);
+ }
+ fprintf(stderr, "s:%04ld b:%04d ", cfp->sp - th->stack, bp);
+ fprintf(stderr, lfp_in_heap == ' ' ? "l:%06d " : "l:%06p ", lfp % 10000);
+ fprintf(stderr, dfp_in_heap == ' ' ? "d:%06d " : "d:%06p ", dfp % 10000);
+ fprintf(stderr, "%-6s ", magic);
+ if (line) {
+ fprintf(stderr, "%s", posbuf);
+ }
+ if (0) {
+ fprintf(stderr, " \t");
+ fprintf(stderr, "iseq: %-24s ", iseq_name);
+ fprintf(stderr, "self: %-24s ", selfstr);
+ fprintf(stderr, "%-1s ", biseq_name);
+ }
+ fprintf(stderr, "\n");
+}
+
+void
+vm_stack_dump_raw(yarv_thread_t *th, yarv_control_frame_t *cfp)
+{
+ VALUE *sp = cfp->sp, *bp = cfp->bp;
+ VALUE *lfp = cfp->lfp;
+ VALUE *dfp = cfp->dfp;
+ VALUE *p, *st, *t;
+
+ fprintf(stderr, "-- stack frame ------------\n");
+ for (p = st = th->stack; p < sp; p++) {
+ fprintf(stderr, "%04ld (%p): %08lx", p - st, p, *p);
+
+ t = (VALUE *)*p;
+ if (th->stack <= t && t < sp) {
+ fprintf(stderr, " (= %ld)", (VALUE *)GC_GUARDED_PTR_REF(t) - th->stack);
+ }
+
+ if (p == lfp)
+ fprintf(stderr, " <- lfp");
+ if (p == dfp)
+ fprintf(stderr, " <- dfp");
+ if (p == bp)
+ fprintf(stderr, " <- bp"); /* should not be */
+
+ fprintf(stderr, "\n");
+ }
+ fprintf(stderr, "-- control frame ----------\n");
+ while ((void *)cfp < (void *)(th->stack + th->stack_size)) {
+ control_frame_dump(th, cfp);
+ cfp++;
+ }
+ fprintf(stderr, "---------------------------\n");
+}
+
+void
+env_dump_raw(yarv_env_t *env, VALUE *lfp, VALUE *dfp)
+{
+ int i;
+ fprintf(stderr, "-- env --------------------\n");
+
+ while (env) {
+ fprintf(stderr, "--\n");
+ for (i = 0; i < env->env_size; i++) {
+ fprintf(stderr, "%04d: %08lx (%p)", -env->local_size + i, env->env[i],
+ &env->env[i]);
+ if (&env->env[i] == lfp)
+ fprintf(stderr, " <- lfp");
+ if (&env->env[i] == dfp)
+ fprintf(stderr, " <- dfp");
+ fprintf(stderr, "\n");
+ }
+
+ if (env->prev_envval != 0) {
+ GetEnvPtr(env->prev_envval, env);
+ }
+ else {
+ env = 0;
+ }
+ }
+ fprintf(stderr, "---------------------------\n");
+}
+
+void
+proc_dump_raw(yarv_proc_t *proc)
+{
+ yarv_env_t *env;
+ char *selfstr;
+ VALUE val = rb_inspect(proc->block.self);
+ selfstr = StringValueCStr(val);
+
+ fprintf(stderr, "-- proc -------------------\n");
+ fprintf(stderr, "self: %s\n", selfstr);
+ GetEnvPtr(proc->envval, env);
+ env_dump_raw(env, proc->block.lfp, proc->block.dfp);
+}
+
+void
+stack_dump_th(VALUE thval)
+{
+ yarv_thread_t *th;
+ GetThreadPtr(thval, th);
+ vm_stack_dump_raw(th, th->cfp);
+}
+
+void
+stack_dump_each(yarv_thread_t *th, yarv_control_frame_t *cfp)
+{
+ int i;
+
+ VALUE rstr;
+ VALUE *sp = cfp->sp;
+ VALUE *lfp = cfp->lfp;
+ VALUE *dfp = cfp->dfp;
+
+ int argc, local_size;
+ const char *name;
+ yarv_iseq_t *iseq = cfp->iseq;
+
+ if (iseq == 0) {
+ if (cfp->method_id) {
+ argc = 0;
+ local_size = 0;
+ name = rb_id2name(cfp->method_id);
+ }
+ else {
+ name = "?";
+ local_size = 0;
+ }
+ }
+ else if (YARV_IFUNC_P(iseq)) {
+ argc = 0;
+ local_size = 0;
+ name = "<ifunc>";
+ }
+ else {
+ argc = iseq->argc;
+ local_size = iseq->local_size;
+ name = RSTRING_PTR(iseq->name);
+ }
+
+ /* stack trace header */
+
+ if (cfp->magic == FRAME_MAGIC_METHOD ||
+ cfp->magic == FRAME_MAGIC_TOP ||
+ cfp->magic == FRAME_MAGIC_BLOCK ||
+ cfp->magic == FRAME_MAGIC_CLASS ||
+ cfp->magic == FRAME_MAGIC_PROC ||
+ cfp->magic == FRAME_MAGIC_LAMBDA ||
+ cfp->magic == FRAME_MAGIC_CFUNC ||
+ cfp->magic == FRAME_MAGIC_IFUNC ||
+ cfp->magic == FRAME_MAGIC_EVAL) {
+
+ VALUE *ptr = dfp - local_size;
+
+ stack_dump_each(th, cfp + 1);
+ control_frame_dump(th, cfp);
+
+ if (lfp != dfp) {
+ local_size++;
+ }
+ for (i = 0; i < argc; i++) {
+ rstr = rb_inspect(*ptr);
+ fprintf(stderr, " arg %2d: %8s (%p)\n", i, StringValueCStr(rstr),
+ ptr++);
+ }
+ for (; i < local_size - 1; i++) {
+ rstr = rb_inspect(*ptr);
+ fprintf(stderr, " local %2d: %8s (%p)\n", i, StringValueCStr(rstr),
+ ptr++);
+ }
+
+ ptr = cfp->bp;
+ for (; ptr < sp; ptr++, i++) {
+ if (*ptr == Qundef) {
+ rstr = rb_str_new2("undef");
+ }
+ else {
+ rstr = rb_inspect(*ptr);
+ }
+ fprintf(stderr, " stack %2d: %8s (%ld)\n", i, StringValueCStr(rstr),
+ ptr - th->stack);
+ }
+ }
+ else if (cfp->magic == FRAME_MAGIC_FINISH) {
+ if ((th)->stack + (th)->stack_size > (VALUE *)(cfp + 2)) {
+ stack_dump_each(th, cfp + 1);
+ }
+ else {
+ // SDR();
+ }
+ }
+ else {
+ rb_bug("unsupport frame type: %08lx", cfp->magic);
+ }
+}
+
+
+void
+debug_print_register(yarv_thread_t *th)
+{
+ yarv_control_frame_t *cfp = th->cfp;
+ int pc = -1;
+ int lfp = cfp->lfp - th->stack;
+ int dfp = cfp->dfp - th->stack;
+ int cfpi;
+
+ if (YARV_NORMAL_ISEQ_P(cfp->iseq)) {
+ pc = cfp->pc - cfp->iseq->iseq_encoded;
+ }
+
+ if (lfp < 0 || lfp > th->stack_size)
+ lfp = -1;
+ if (dfp < 0 || dfp > th->stack_size)
+ dfp = -1;
+
+ cfpi = ((yarv_control_frame_t *)(th->stack + th->stack_size)) - cfp;
+ fprintf(stderr, " [PC] %04d, [SP] %04ld, [LFP] %04d, [DFP] %04d, [CFP] %04d\n",
+ pc, cfp->sp - th->stack, lfp, dfp, cfpi);
+}
+
+void
+thread_dump_regs(VALUE thval)
+{
+ yarv_thread_t *th;
+ GetThreadPtr(thval, th);
+ debug_print_register(th);
+}
+
+void
+debug_print_pre(yarv_thread_t *th, yarv_control_frame_t *cfp)
+{
+ yarv_iseq_t *iseq = cfp->iseq;
+
+ if (iseq != 0 && cfp->magic != FRAME_MAGIC_FINISH) {
+ VALUE *seq = iseq->iseq;
+ int pc = cfp->pc - iseq->iseq_encoded;
+
+ iseq_disasm_insn(0, seq, pc, iseq, 0);
+ }
+
+#if VMDEBUG > 3
+ fprintf(stderr, " (1)");
+ debug_print_register(th);
+#endif
+}
+
+void
+debug_print_post(yarv_thread_t *th, yarv_control_frame_t *cfp
+#if OPT_STACK_CACHING
+ , VALUE reg_a, VALUE reg_b
+#endif
+ )
+{
+#if VMDEBUG > 9
+ SDR2(cfp);
+#endif
+
+#if VMDEBUG > 3
+ fprintf(stderr, " (2)");
+ debug_print_register(th);
+#endif
+ // stack_dump_raw(th, cfp);
+
+#if VMDEBUG > 2
+ // stack_dump_thobj(th);
+ stack_dump_each(th, th->cfp);
+#if OPT_STACK_CACHING
+ {
+ VALUE rstr;
+ rstr = rb_inspect(reg_a);
+ fprintf(stderr, " sc reg A: %s\n", StringValueCStr(rstr));
+ rstr = rb_inspect(reg_b);
+ fprintf(stderr, " sc reg B: %s\n", StringValueCStr(rstr));
+ }
+#endif
+ printf
+ ("--------------------------------------------------------------\n");
+#endif
+
+#if VMDEBUG > 9
+ GC_CHECK();
+#endif
+}
+
+#ifdef COLLECT_USAGE_ANALYSIS
+/* uh = {
+ * insn(Fixnum) => ihash(Hash)
+ * }
+ * ihash = {
+ * -1(Fixnum) => count, # insn usage
+ * 0(Fixnum) => ophash, # operand usage
+ * }
+ * ophash = {
+ * val(interned string) => count(Fixnum)
+ * }
+ */
+void
+vm_analysis_insn(int insn)
+{
+ static ID usage_hash;
+ static ID bigram_hash;
+ static int prev_insn = -1;
+
+ VALUE uh;
+ VALUE ihash;
+ VALUE cv;
+
+ SET_YARV_STOP();
+
+ if (usage_hash == 0) {
+ usage_hash = rb_intern("USAGE_ANALISYS_INSN");
+ bigram_hash = rb_intern("USAGE_ANALISYS_INSN_BIGRAM");
+ }
+ uh = rb_const_get(mYarvCore, usage_hash);
+ if ((ihash = rb_hash_aref(uh, INT2FIX(insn))) == Qnil) {
+ ihash = rb_hash_new();
+ rb_hash_aset(uh, INT2FIX(insn), ihash);
+ }
+ if ((cv = rb_hash_aref(ihash, INT2FIX(-1))) == Qnil) {
+ cv = INT2FIX(0);
+ }
+ rb_hash_aset(ihash, INT2FIX(-1), INT2FIX(FIX2INT(cv) + 1));
+
+ /* calc bigram */
+ if (prev_insn != -1) {
+ VALUE bi;
+ VALUE ary[2];
+ VALUE cv;
+
+ ary[0] = INT2FIX(prev_insn);
+ ary[1] = INT2FIX(insn);
+ bi = rb_ary_new4(2, &ary[0]);
+
+ uh = rb_const_get(mYarvCore, bigram_hash);
+ if ((cv = rb_hash_aref(uh, bi)) == Qnil) {
+ cv = INT2FIX(0);
+ }
+ rb_hash_aset(uh, bi, INT2FIX(FIX2INT(cv) + 1));
+ }
+ prev_insn = insn;
+
+ SET_YARV_START();
+}
+
+/* from disasm.c */
+extern VALUE insn_operand_intern(int insn, int op_no, VALUE op,
+ int len, int pos, VALUE child);
+
+void
+vm_analysis_operand(int insn, int n, VALUE op)
+{
+ static ID usage_hash;
+
+ VALUE uh;
+ VALUE ihash;
+ VALUE ophash;
+ VALUE valstr;
+ VALUE cv;
+
+ SET_YARV_STOP();
+
+ if (usage_hash == 0) {
+ usage_hash = rb_intern("USAGE_ANALISYS_INSN");
+ }
+
+ uh = rb_const_get(mYarvCore, usage_hash);
+ if ((ihash = rb_hash_aref(uh, INT2FIX(insn))) == Qnil) {
+ ihash = rb_hash_new();
+ rb_hash_aset(uh, INT2FIX(insn), ihash);
+ }
+ if ((ophash = rb_hash_aref(ihash, INT2FIX(n))) == Qnil) {
+ ophash = rb_hash_new();
+ rb_hash_aset(ihash, INT2FIX(n), ophash);
+ }
+ /* intern */
+ valstr = insn_operand_intern(insn, n, op, 0, 0, 0);
+
+ /* set count */
+ if ((cv = rb_hash_aref(ophash, valstr)) == Qnil) {
+ cv = INT2FIX(0);
+ }
+ rb_hash_aset(ophash, valstr, INT2FIX(FIX2INT(cv) + 1));
+
+ SET_YARV_START();
+}
+
+void
+vm_analysis_register(int reg, int isset)
+{
+ static ID usage_hash;
+ VALUE uh;
+ VALUE rhash;
+ VALUE valstr;
+ char *regstrs[] = {
+ "pc", // 0
+ "sp", // 1
+ "cfp", // 2
+ "lfp", // 3
+ "dfp", // 4
+ "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)
+{
+ yarv_thread_t *th;
+ yarv_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()
+{
+ yarv_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
+}