--- a/hotspot/src/cpu/x86/vm/disassembler_x86.cpp Fri Mar 28 09:00:39 2008 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,201 +0,0 @@
-/*
- * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- */
-
-# include "incls/_precompiled.incl"
-# include "incls/_disassembler_x86.cpp.incl"
-
-#ifndef PRODUCT
-
-void* Disassembler::_library = NULL;
-Disassembler::decode_func Disassembler::_decode_instruction = NULL;
-
-bool Disassembler::load_library() {
- if (_library == NULL) {
- char buf[1024];
- char ebuf[1024];
- sprintf(buf, "disassembler%s", os::dll_file_extension());
- _library = hpi::dll_load(buf, ebuf, sizeof ebuf);
- if (_library != NULL) {
- tty->print_cr("Loaded disassembler");
- _decode_instruction = CAST_TO_FN_PTR(Disassembler::decode_func, hpi::dll_lookup(_library, "decode_instruction"));
- }
- }
- return (_library != NULL) && (_decode_instruction != NULL);
-}
-
-class x86_env : public DisassemblerEnv {
- private:
- nmethod* code;
- outputStream* output;
- public:
- x86_env(nmethod* rcode, outputStream* routput) {
- code = rcode;
- output = routput;
- }
- void print_label(intptr_t value);
- void print_raw(char* str) { output->print_raw(str); }
- void print(char* format, ...);
- char* string_for_offset(intptr_t value);
- char* string_for_constant(unsigned char* pc, intptr_t value, int is_decimal);
-};
-
-
-void x86_env::print_label(intptr_t value) {
- if (!Universe::is_fully_initialized()) {
- output->print(INTPTR_FORMAT, value);
- return;
- }
- address adr = (address) value;
- if (StubRoutines::contains(adr)) {
- StubCodeDesc* desc = StubCodeDesc::desc_for(adr);
- const char * desc_name = "unknown stub";
- if (desc != NULL) {
- desc_name = desc->name();
- }
- output->print("Stub::%s", desc_name);
- if (WizardMode) output->print(" " INTPTR_FORMAT, value);
- } else {
- output->print(INTPTR_FORMAT, value);
- }
-}
-
-void x86_env::print(char* format, ...) {
- va_list ap;
- va_start(ap, format);
- output->vprint(format, ap);
- va_end(ap);
-}
-
-char* x86_env::string_for_offset(intptr_t value) {
- stringStream st;
- if (!Universe::is_fully_initialized()) {
- st.print(INTX_FORMAT, value);
- return st.as_string();
- }
- BarrierSet* bs = Universe::heap()->barrier_set();
- BarrierSet::Name bsn = bs->kind();
- if (bs->kind() == BarrierSet::CardTableModRef &&
- (jbyte*) value == ((CardTableModRefBS*)(bs))->byte_map_base) {
- st.print("word_map_base");
- } else {
- st.print(INTX_FORMAT, value);
- }
- return st.as_string();
-}
-
-char* x86_env::string_for_constant(unsigned char* pc, intptr_t value, int is_decimal) {
- stringStream st;
- oop obj = NULL;
- if (code && ((obj = code->embeddedOop_at(pc)) != NULL)) {
- obj->print_value_on(&st);
- } else {
- if (is_decimal == 1) {
- st.print(INTX_FORMAT, value);
- } else {
- st.print(INTPTR_FORMAT, value);
- }
- }
- return st.as_string();
-}
-
-
-
-address Disassembler::decode_instruction(address start, DisassemblerEnv* env) {
- return ((decode_func) _decode_instruction)(start, env);
-}
-
-
-void Disassembler::decode(CodeBlob* cb, outputStream* st) {
- st = st ? st : tty;
- st->print_cr("Decoding CodeBlob " INTPTR_FORMAT, cb);
- decode(cb->instructions_begin(), cb->instructions_end(), st);
-}
-
-
-void Disassembler::decode(u_char* begin, u_char* end, outputStream* st) {
- st = st ? st : tty;
-
- const int show_bytes = false; // for disassembler debugging
-
- if (!load_library()) {
- st->print_cr("Could not load disassembler");
- return;
- }
-
- x86_env env(NULL, st);
- unsigned char* p = (unsigned char*) begin;
- CodeBlob* cb = CodeCache::find_blob_unsafe(begin);
- while (p < (unsigned char*) end) {
- if (cb != NULL) {
- cb->print_block_comment(st, (intptr_t)(p - cb->instructions_begin()));
- }
-
- unsigned char* p0 = p;
- st->print(" " INTPTR_FORMAT ": ", p);
- p = decode_instruction(p, &env);
- if (show_bytes) {
- st->print("\t\t\t");
- while (p0 < p) st->print("%x ", *p0++);
- }
- st->cr();
- }
-}
-
-
-void Disassembler::decode(nmethod* nm, outputStream* st) {
- st = st ? st : tty;
-
- st->print_cr("Decoding compiled method " INTPTR_FORMAT ":", nm);
- st->print("Code:");
- st->cr();
-
- if (!load_library()) {
- st->print_cr("Could not load disassembler");
- return;
- }
- x86_env env(nm, st);
- unsigned char* p = nm->instructions_begin();
- unsigned char* end = nm->instructions_end();
- while (p < end) {
- if (p == nm->entry_point()) st->print_cr("[Entry Point]");
- if (p == nm->verified_entry_point()) st->print_cr("[Verified Entry Point]");
- if (p == nm->exception_begin()) st->print_cr("[Exception Handler]");
- if (p == nm->stub_begin()) st->print_cr("[Stub Code]");
- if (p == nm->consts_begin()) st->print_cr("[Constants]");
- nm->print_block_comment(st, (intptr_t)(p - nm->instructions_begin()));
- unsigned char* p0 = p;
- st->print(" " INTPTR_FORMAT ": ", p);
- p = decode_instruction(p, &env);
- nm->print_code_comment_on(st, 40, p0, p);
- st->cr();
- // Output pc bucket ticks if we have any
- address bucket_pc = FlatProfiler::bucket_start_for(p);
- if (bucket_pc != NULL && bucket_pc > p0 && bucket_pc <= p) {
- int bucket_count = FlatProfiler::bucket_count_for(bucket_pc);
- tty->print_cr("[%d]", bucket_count);
- }
- }
-}
-
-#endif // PRODUCT