1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/vm/compiler/disassembler.cpp Wed Apr 27 01:25:04 2016 +0800 1.3 @@ -0,0 +1,553 @@ 1.4 +/* 1.5 + * Copyright (c) 2008, 2014, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + * 1.26 + */ 1.27 + 1.28 +#include "precompiled.hpp" 1.29 +#include "classfile/javaClasses.hpp" 1.30 +#include "code/codeCache.hpp" 1.31 +#include "compiler/disassembler.hpp" 1.32 +#include "gc_interface/collectedHeap.hpp" 1.33 +#include "memory/cardTableModRefBS.hpp" 1.34 +#include "runtime/fprofiler.hpp" 1.35 +#include "runtime/handles.inline.hpp" 1.36 +#include "runtime/stubCodeGenerator.hpp" 1.37 +#include "runtime/stubRoutines.hpp" 1.38 +#ifdef TARGET_ARCH_x86 1.39 +# include "depChecker_x86.hpp" 1.40 +#endif 1.41 +#ifdef TARGET_ARCH_sparc 1.42 +# include "depChecker_sparc.hpp" 1.43 +#endif 1.44 +#ifdef TARGET_ARCH_zero 1.45 +# include "depChecker_zero.hpp" 1.46 +#endif 1.47 +#ifdef TARGET_ARCH_arm 1.48 +# include "depChecker_arm.hpp" 1.49 +#endif 1.50 +#ifdef TARGET_ARCH_ppc 1.51 +# include "depChecker_ppc.hpp" 1.52 +#endif 1.53 +#ifdef SHARK 1.54 +#include "shark/sharkEntry.hpp" 1.55 +#endif 1.56 + 1.57 +PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC 1.58 + 1.59 +void* Disassembler::_library = NULL; 1.60 +bool Disassembler::_tried_to_load_library = false; 1.61 + 1.62 +// This routine is in the shared library: 1.63 +Disassembler::decode_func_virtual Disassembler::_decode_instructions_virtual = NULL; 1.64 +Disassembler::decode_func Disassembler::_decode_instructions = NULL; 1.65 + 1.66 +static const char hsdis_library_name[] = "hsdis-"HOTSPOT_LIB_ARCH; 1.67 +static const char decode_instructions_virtual_name[] = "decode_instructions_virtual"; 1.68 +static const char decode_instructions_name[] = "decode_instructions"; 1.69 +static bool use_new_version = true; 1.70 +#define COMMENT_COLUMN 40 LP64_ONLY(+8) /*could be an option*/ 1.71 +#define BYTES_COMMENT ";..." /* funky byte display comment */ 1.72 + 1.73 +bool Disassembler::load_library() { 1.74 + if (_decode_instructions_virtual != NULL || _decode_instructions != NULL) { 1.75 + // Already succeeded. 1.76 + return true; 1.77 + } 1.78 + if (_tried_to_load_library) { 1.79 + // Do not try twice. 1.80 + // To force retry in debugger: assign _tried_to_load_library=0 1.81 + return false; 1.82 + } 1.83 + // Try to load it. 1.84 + char ebuf[1024]; 1.85 + char buf[JVM_MAXPATHLEN]; 1.86 + os::jvm_path(buf, sizeof(buf)); 1.87 + int jvm_offset = -1; 1.88 + int lib_offset = -1; 1.89 + { 1.90 + // Match "jvm[^/]*" in jvm_path. 1.91 + const char* base = buf; 1.92 + const char* p = strrchr(buf, '/'); 1.93 + if (p != NULL) lib_offset = p - base + 1; 1.94 + p = strstr(p ? p : base, "jvm"); 1.95 + if (p != NULL) jvm_offset = p - base; 1.96 + } 1.97 + // Find the disassembler shared library. 1.98 + // Search for several paths derived from libjvm, in this order: 1.99 + // 1. <home>/jre/lib/<arch>/<vm>/libhsdis-<arch>.so (for compatibility) 1.100 + // 2. <home>/jre/lib/<arch>/<vm>/hsdis-<arch>.so 1.101 + // 3. <home>/jre/lib/<arch>/hsdis-<arch>.so 1.102 + // 4. hsdis-<arch>.so (using LD_LIBRARY_PATH) 1.103 + if (jvm_offset >= 0) { 1.104 + // 1. <home>/jre/lib/<arch>/<vm>/libhsdis-<arch>.so 1.105 + strcpy(&buf[jvm_offset], hsdis_library_name); 1.106 + strcat(&buf[jvm_offset], os::dll_file_extension()); 1.107 + _library = os::dll_load(buf, ebuf, sizeof ebuf); 1.108 + if (_library == NULL) { 1.109 + // 2. <home>/jre/lib/<arch>/<vm>/hsdis-<arch>.so 1.110 + strcpy(&buf[lib_offset], hsdis_library_name); 1.111 + strcat(&buf[lib_offset], os::dll_file_extension()); 1.112 + _library = os::dll_load(buf, ebuf, sizeof ebuf); 1.113 + } 1.114 + if (_library == NULL) { 1.115 + // 3. <home>/jre/lib/<arch>/hsdis-<arch>.so 1.116 + buf[lib_offset - 1] = '\0'; 1.117 + const char* p = strrchr(buf, '/'); 1.118 + if (p != NULL) { 1.119 + lib_offset = p - buf + 1; 1.120 + strcpy(&buf[lib_offset], hsdis_library_name); 1.121 + strcat(&buf[lib_offset], os::dll_file_extension()); 1.122 + _library = os::dll_load(buf, ebuf, sizeof ebuf); 1.123 + } 1.124 + } 1.125 + } 1.126 + if (_library == NULL) { 1.127 + // 4. hsdis-<arch>.so (using LD_LIBRARY_PATH) 1.128 + strcpy(&buf[0], hsdis_library_name); 1.129 + strcat(&buf[0], os::dll_file_extension()); 1.130 + _library = os::dll_load(buf, ebuf, sizeof ebuf); 1.131 + } 1.132 + if (_library != NULL) { 1.133 + _decode_instructions_virtual = CAST_TO_FN_PTR(Disassembler::decode_func_virtual, 1.134 + os::dll_lookup(_library, decode_instructions_virtual_name)); 1.135 + } 1.136 + if (_decode_instructions_virtual == NULL) { 1.137 + // could not spot in new version, try old version 1.138 + _decode_instructions = CAST_TO_FN_PTR(Disassembler::decode_func, 1.139 + os::dll_lookup(_library, decode_instructions_name)); 1.140 + use_new_version = false; 1.141 + } else { 1.142 + use_new_version = true; 1.143 + } 1.144 + _tried_to_load_library = true; 1.145 + if (_decode_instructions_virtual == NULL && _decode_instructions == NULL) { 1.146 + tty->print_cr("Could not load %s; %s; %s", buf, 1.147 + ((_library != NULL) 1.148 + ? "entry point is missing" 1.149 + : (WizardMode || PrintMiscellaneous) 1.150 + ? (const char*)ebuf 1.151 + : "library not loadable"), 1.152 + "PrintAssembly is disabled"); 1.153 + return false; 1.154 + } 1.155 + 1.156 + // Success. 1.157 + tty->print_cr("Loaded disassembler from %s", buf); 1.158 + return true; 1.159 +} 1.160 + 1.161 + 1.162 +class decode_env { 1.163 + private: 1.164 + nmethod* _nm; 1.165 + CodeBlob* _code; 1.166 + CodeStrings _strings; 1.167 + outputStream* _output; 1.168 + address _start, _end; 1.169 + 1.170 + char _option_buf[512]; 1.171 + char _print_raw; 1.172 + bool _print_pc; 1.173 + bool _print_bytes; 1.174 + address _cur_insn; 1.175 + int _total_ticks; 1.176 + int _bytes_per_line; // arch-specific formatting option 1.177 + 1.178 + static bool match(const char* event, const char* tag) { 1.179 + size_t taglen = strlen(tag); 1.180 + if (strncmp(event, tag, taglen) != 0) 1.181 + return false; 1.182 + char delim = event[taglen]; 1.183 + return delim == '\0' || delim == ' ' || delim == '/' || delim == '='; 1.184 + } 1.185 + 1.186 + void collect_options(const char* p) { 1.187 + if (p == NULL || p[0] == '\0') return; 1.188 + size_t opt_so_far = strlen(_option_buf); 1.189 + if (opt_so_far + 1 + strlen(p) + 1 > sizeof(_option_buf)) return; 1.190 + char* fillp = &_option_buf[opt_so_far]; 1.191 + if (opt_so_far > 0) *fillp++ = ','; 1.192 + strcat(fillp, p); 1.193 + // replace white space by commas: 1.194 + char* q = fillp; 1.195 + while ((q = strpbrk(q, " \t\n")) != NULL) 1.196 + *q++ = ','; 1.197 + // Note that multiple PrintAssemblyOptions flags accumulate with \n, 1.198 + // which we want to be changed to a comma... 1.199 + } 1.200 + 1.201 + void print_insn_labels(); 1.202 + void print_insn_bytes(address pc0, address pc); 1.203 + void print_address(address value); 1.204 + 1.205 + public: 1.206 + decode_env(CodeBlob* code, outputStream* output, CodeStrings c = CodeStrings()); 1.207 + 1.208 + address decode_instructions(address start, address end); 1.209 + 1.210 + void start_insn(address pc) { 1.211 + _cur_insn = pc; 1.212 + output()->bol(); 1.213 + print_insn_labels(); 1.214 + } 1.215 + 1.216 + void end_insn(address pc) { 1.217 + address pc0 = cur_insn(); 1.218 + outputStream* st = output(); 1.219 + if (_print_bytes && pc > pc0) 1.220 + print_insn_bytes(pc0, pc); 1.221 + if (_nm != NULL) { 1.222 + _nm->print_code_comment_on(st, COMMENT_COLUMN, pc0, pc); 1.223 + // this calls reloc_string_for which calls oop::print_value_on 1.224 + } 1.225 + 1.226 + // Output pc bucket ticks if we have any 1.227 + if (total_ticks() != 0) { 1.228 + address bucket_pc = FlatProfiler::bucket_start_for(pc); 1.229 + if (bucket_pc != NULL && bucket_pc > pc0 && bucket_pc <= pc) { 1.230 + int bucket_count = FlatProfiler::bucket_count_for(pc0); 1.231 + if (bucket_count != 0) { 1.232 + st->bol(); 1.233 + st->print_cr("%3.1f%% [%d]", bucket_count*100.0/total_ticks(), bucket_count); 1.234 + } 1.235 + } 1.236 + } 1.237 + // follow each complete insn by a nice newline 1.238 + st->cr(); 1.239 + } 1.240 + 1.241 + address handle_event(const char* event, address arg); 1.242 + 1.243 + outputStream* output() { return _output; } 1.244 + address cur_insn() { return _cur_insn; } 1.245 + int total_ticks() { return _total_ticks; } 1.246 + void set_total_ticks(int n) { _total_ticks = n; } 1.247 + const char* options() { return _option_buf; } 1.248 +}; 1.249 + 1.250 +decode_env::decode_env(CodeBlob* code, outputStream* output, CodeStrings c) { 1.251 + memset(this, 0, sizeof(*this)); 1.252 + _output = output ? output : tty; 1.253 + _code = code; 1.254 + if (code != NULL && code->is_nmethod()) 1.255 + _nm = (nmethod*) code; 1.256 + _strings.assign(c); 1.257 + 1.258 + // by default, output pc but not bytes: 1.259 + _print_pc = true; 1.260 + _print_bytes = false; 1.261 + _bytes_per_line = Disassembler::pd_instruction_alignment(); 1.262 + 1.263 + // parse the global option string: 1.264 + collect_options(Disassembler::pd_cpu_opts()); 1.265 + collect_options(PrintAssemblyOptions); 1.266 + 1.267 + if (strstr(options(), "hsdis-")) { 1.268 + if (strstr(options(), "hsdis-print-raw")) 1.269 + _print_raw = (strstr(options(), "xml") ? 2 : 1); 1.270 + if (strstr(options(), "hsdis-print-pc")) 1.271 + _print_pc = !_print_pc; 1.272 + if (strstr(options(), "hsdis-print-bytes")) 1.273 + _print_bytes = !_print_bytes; 1.274 + } 1.275 + if (strstr(options(), "help")) { 1.276 + tty->print_cr("PrintAssemblyOptions help:"); 1.277 + tty->print_cr(" hsdis-print-raw test plugin by requesting raw output"); 1.278 + tty->print_cr(" hsdis-print-raw-xml test plugin by requesting raw xml"); 1.279 + tty->print_cr(" hsdis-print-pc turn off PC printing (on by default)"); 1.280 + tty->print_cr(" hsdis-print-bytes turn on instruction byte output"); 1.281 + tty->print_cr("combined options: %s", options()); 1.282 + } 1.283 +} 1.284 + 1.285 +address decode_env::handle_event(const char* event, address arg) { 1.286 + if (match(event, "insn")) { 1.287 + start_insn(arg); 1.288 + } else if (match(event, "/insn")) { 1.289 + end_insn(arg); 1.290 + } else if (match(event, "addr")) { 1.291 + if (arg != NULL) { 1.292 + print_address(arg); 1.293 + return arg; 1.294 + } 1.295 + } else if (match(event, "mach")) { 1.296 + static char buffer[32] = { 0, }; 1.297 + if (strcmp(buffer, (const char*)arg) != 0 || 1.298 + strlen((const char*)arg) > sizeof(buffer) - 1) { 1.299 + // Only print this when the mach changes 1.300 + strncpy(buffer, (const char*)arg, sizeof(buffer) - 1); 1.301 + output()->print_cr("[Disassembling for mach='%s']", arg); 1.302 + } 1.303 + } else if (match(event, "format bytes-per-line")) { 1.304 + _bytes_per_line = (int) (intptr_t) arg; 1.305 + } else { 1.306 + // ignore unrecognized markup 1.307 + } 1.308 + return NULL; 1.309 +} 1.310 + 1.311 +// called by the disassembler to print out jump targets and data addresses 1.312 +void decode_env::print_address(address adr) { 1.313 + outputStream* st = _output; 1.314 + 1.315 + if (adr == NULL) { 1.316 + st->print("NULL"); 1.317 + return; 1.318 + } 1.319 + 1.320 + int small_num = (int)(intptr_t)adr; 1.321 + if ((intptr_t)adr == (intptr_t)small_num 1.322 + && -1 <= small_num && small_num <= 9) { 1.323 + st->print("%d", small_num); 1.324 + return; 1.325 + } 1.326 + 1.327 + if (Universe::is_fully_initialized()) { 1.328 + if (StubRoutines::contains(adr)) { 1.329 + StubCodeDesc* desc = StubCodeDesc::desc_for(adr); 1.330 + if (desc == NULL) 1.331 + desc = StubCodeDesc::desc_for(adr + frame::pc_return_offset); 1.332 + if (desc != NULL) { 1.333 + st->print("Stub::%s", desc->name()); 1.334 + if (desc->begin() != adr) 1.335 + st->print("%+d 0x%p",adr - desc->begin(), adr); 1.336 + else if (WizardMode) st->print(" " PTR_FORMAT, adr); 1.337 + return; 1.338 + } 1.339 + st->print("Stub::<unknown> " PTR_FORMAT, adr); 1.340 + return; 1.341 + } 1.342 + 1.343 + BarrierSet* bs = Universe::heap()->barrier_set(); 1.344 + if (bs->kind() == BarrierSet::CardTableModRef && 1.345 + adr == (address)((CardTableModRefBS*)(bs))->byte_map_base) { 1.346 + st->print("word_map_base"); 1.347 + if (WizardMode) st->print(" " INTPTR_FORMAT, (intptr_t)adr); 1.348 + return; 1.349 + } 1.350 + 1.351 + oop obj; 1.352 + if (_nm != NULL 1.353 + && (obj = _nm->embeddedOop_at(cur_insn())) != NULL 1.354 + && (address) obj == adr 1.355 + && Universe::heap()->is_in(obj) 1.356 + && Universe::heap()->is_in(obj->klass())) { 1.357 + julong c = st->count(); 1.358 + obj->print_value_on(st); 1.359 + if (st->count() == c) { 1.360 + // No output. (Can happen in product builds.) 1.361 + st->print("(a %s)", obj->klass()->external_name()); 1.362 + } 1.363 + return; 1.364 + } 1.365 + } 1.366 + 1.367 + // Fall through to a simple (hexadecimal) numeral. 1.368 + st->print(PTR_FORMAT, adr); 1.369 +} 1.370 + 1.371 +void decode_env::print_insn_labels() { 1.372 + address p = cur_insn(); 1.373 + outputStream* st = output(); 1.374 + CodeBlob* cb = _code; 1.375 + if (cb != NULL) { 1.376 + cb->print_block_comment(st, p); 1.377 + } 1.378 + _strings.print_block_comment(st, (intptr_t)(p - _start)); 1.379 + if (_print_pc) { 1.380 + st->print(" " PTR_FORMAT ": ", p); 1.381 + } 1.382 +} 1.383 + 1.384 +void decode_env::print_insn_bytes(address pc, address pc_limit) { 1.385 + outputStream* st = output(); 1.386 + size_t incr = 1; 1.387 + size_t perline = _bytes_per_line; 1.388 + if ((size_t) Disassembler::pd_instruction_alignment() >= sizeof(int) 1.389 + && !((uintptr_t)pc % sizeof(int)) 1.390 + && !((uintptr_t)pc_limit % sizeof(int))) { 1.391 + incr = sizeof(int); 1.392 + if (perline % incr) perline += incr - (perline % incr); 1.393 + } 1.394 + while (pc < pc_limit) { 1.395 + // tab to the desired column: 1.396 + st->move_to(COMMENT_COLUMN); 1.397 + address pc0 = pc; 1.398 + address pc1 = pc + perline; 1.399 + if (pc1 > pc_limit) pc1 = pc_limit; 1.400 + for (; pc < pc1; pc += incr) { 1.401 + if (pc == pc0) 1.402 + st->print(BYTES_COMMENT); 1.403 + else if ((uint)(pc - pc0) % sizeof(int) == 0) 1.404 + st->print(" "); // put out a space on word boundaries 1.405 + if (incr == sizeof(int)) 1.406 + st->print("%08lx", *(int*)pc); 1.407 + else st->print("%02x", (*pc)&0xFF); 1.408 + } 1.409 + st->cr(); 1.410 + } 1.411 +} 1.412 + 1.413 + 1.414 +static void* event_to_env(void* env_pv, const char* event, void* arg) { 1.415 + decode_env* env = (decode_env*) env_pv; 1.416 + return env->handle_event(event, (address) arg); 1.417 +} 1.418 + 1.419 +ATTRIBUTE_PRINTF(2, 3) 1.420 +static int printf_to_env(void* env_pv, const char* format, ...) { 1.421 + decode_env* env = (decode_env*) env_pv; 1.422 + outputStream* st = env->output(); 1.423 + size_t flen = strlen(format); 1.424 + const char* raw = NULL; 1.425 + if (flen == 0) return 0; 1.426 + if (flen == 1 && format[0] == '\n') { st->bol(); return 1; } 1.427 + if (flen < 2 || 1.428 + strchr(format, '%') == NULL) { 1.429 + raw = format; 1.430 + } else if (format[0] == '%' && format[1] == '%' && 1.431 + strchr(format+2, '%') == NULL) { 1.432 + // happens a lot on machines with names like %foo 1.433 + flen--; 1.434 + raw = format+1; 1.435 + } 1.436 + if (raw != NULL) { 1.437 + st->print_raw(raw, (int) flen); 1.438 + return (int) flen; 1.439 + } 1.440 + va_list ap; 1.441 + va_start(ap, format); 1.442 + julong cnt0 = st->count(); 1.443 + st->vprint(format, ap); 1.444 + julong cnt1 = st->count(); 1.445 + va_end(ap); 1.446 + return (int)(cnt1 - cnt0); 1.447 +} 1.448 + 1.449 +address decode_env::decode_instructions(address start, address end) { 1.450 + _start = start; _end = end; 1.451 + 1.452 + assert(((((intptr_t)start | (intptr_t)end) % Disassembler::pd_instruction_alignment()) == 0), "misaligned insn addr"); 1.453 + 1.454 + const int show_bytes = false; // for disassembler debugging 1.455 + 1.456 + //_version = Disassembler::pd_cpu_version(); 1.457 + 1.458 + if (!Disassembler::can_decode()) { 1.459 + return NULL; 1.460 + } 1.461 + 1.462 + // decode a series of instructions and return the end of the last instruction 1.463 + 1.464 + if (_print_raw) { 1.465 + // Print whatever the library wants to print, w/o fancy callbacks. 1.466 + // This is mainly for debugging the library itself. 1.467 + FILE* out = stdout; 1.468 + FILE* xmlout = (_print_raw > 1 ? out : NULL); 1.469 + return use_new_version ? 1.470 + (address) 1.471 + (*Disassembler::_decode_instructions_virtual)((uintptr_t)start, (uintptr_t)end, 1.472 + start, end - start, 1.473 + NULL, (void*) xmlout, 1.474 + NULL, (void*) out, 1.475 + options(), 0/*nice new line*/) 1.476 + : 1.477 + (address) 1.478 + (*Disassembler::_decode_instructions)(start, end, 1.479 + NULL, (void*) xmlout, 1.480 + NULL, (void*) out, 1.481 + options()); 1.482 + } 1.483 + 1.484 + return use_new_version ? 1.485 + (address) 1.486 + (*Disassembler::_decode_instructions_virtual)((uintptr_t)start, (uintptr_t)end, 1.487 + start, end - start, 1.488 + &event_to_env, (void*) this, 1.489 + &printf_to_env, (void*) this, 1.490 + options(), 0/*nice new line*/) 1.491 + : 1.492 + (address) 1.493 + (*Disassembler::_decode_instructions)(start, end, 1.494 + &event_to_env, (void*) this, 1.495 + &printf_to_env, (void*) this, 1.496 + options()); 1.497 +} 1.498 + 1.499 + 1.500 +void Disassembler::decode(CodeBlob* cb, outputStream* st) { 1.501 + if (!load_library()) return; 1.502 + decode_env env(cb, st); 1.503 + env.output()->print_cr("Decoding CodeBlob " PTR_FORMAT, cb); 1.504 + env.decode_instructions(cb->code_begin(), cb->code_end()); 1.505 +} 1.506 + 1.507 +void Disassembler::decode(address start, address end, outputStream* st, CodeStrings c) { 1.508 + if (!load_library()) return; 1.509 + decode_env env(CodeCache::find_blob_unsafe(start), st, c); 1.510 + env.decode_instructions(start, end); 1.511 +} 1.512 + 1.513 +void Disassembler::decode(nmethod* nm, outputStream* st) { 1.514 + if (!load_library()) return; 1.515 + decode_env env(nm, st); 1.516 + env.output()->print_cr("Decoding compiled method " PTR_FORMAT ":", nm); 1.517 + env.output()->print_cr("Code:"); 1.518 + 1.519 +#ifdef SHARK 1.520 + SharkEntry* entry = (SharkEntry *) nm->code_begin(); 1.521 + unsigned char* p = entry->code_start(); 1.522 + unsigned char* end = entry->code_limit(); 1.523 +#else 1.524 + unsigned char* p = nm->code_begin(); 1.525 + unsigned char* end = nm->code_end(); 1.526 +#endif // SHARK 1.527 + 1.528 + // If there has been profiling, print the buckets. 1.529 + if (FlatProfiler::bucket_start_for(p) != NULL) { 1.530 + unsigned char* p1 = p; 1.531 + int total_bucket_count = 0; 1.532 + while (p1 < end) { 1.533 + unsigned char* p0 = p1; 1.534 + p1 += pd_instruction_alignment(); 1.535 + address bucket_pc = FlatProfiler::bucket_start_for(p1); 1.536 + if (bucket_pc != NULL && bucket_pc > p0 && bucket_pc <= p1) 1.537 + total_bucket_count += FlatProfiler::bucket_count_for(p0); 1.538 + } 1.539 + env.set_total_ticks(total_bucket_count); 1.540 + } 1.541 + 1.542 + // Print constant table. 1.543 + if (nm->consts_size() > 0) { 1.544 + nm->print_nmethod_labels(env.output(), nm->consts_begin()); 1.545 + int offset = 0; 1.546 + for (address p = nm->consts_begin(); p < nm->consts_end(); p += 4, offset += 4) { 1.547 + if ((offset % 8) == 0) { 1.548 + env.output()->print_cr(" " PTR_FORMAT " (offset: %4d): " PTR32_FORMAT " " PTR64_FORMAT, p, offset, *((int32_t*) p), *((int64_t*) p)); 1.549 + } else { 1.550 + env.output()->print_cr(" " PTR_FORMAT " (offset: %4d): " PTR32_FORMAT, p, offset, *((int32_t*) p)); 1.551 + } 1.552 + } 1.553 + } 1.554 + 1.555 + env.decode_instructions(p, end); 1.556 +}