1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 // This file defines all of the flags. It is separated into different section,
29 // for Debug, Release, Logging and Profiling, etc. To add a new flag, find the
30 // correct section, and use one of the DEFINE_ macros, without a trailing ';'.
32 // This include does not have a guard, because it is a template-style include,
33 // which can be included multiple times in different modes. It expects to have
34 // a mode defined before it's included. The modes are FLAG_MODE_... below:
36 // We want to declare the names of the variables for the header file. Normally
37 // this will just be an extern declaration, but for a readonly flag we let the
38 // compiler make better optimizations by giving it the value.
39 #if defined(FLAG_MODE_DECLARE)
40 #define FLAG_FULL(ftype, ctype, nam, def, cmt) \
41 extern ctype FLAG_##nam;
42 #define FLAG_READONLY(ftype, ctype, nam, def, cmt) \
43 static ctype const FLAG_##nam = def;
44 #define DEFINE_implication(whenflag, thenflag)
46 // We want to supply the actual storage and value for the flag variable in the
47 // .cc file. We only do this for writable flags.
48 #elif defined(FLAG_MODE_DEFINE)
49 #define FLAG_FULL(ftype, ctype, nam, def, cmt) \
50 ctype FLAG_##nam = def;
51 #define FLAG_READONLY(ftype, ctype, nam, def, cmt)
52 #define DEFINE_implication(whenflag, thenflag)
54 // We need to define all of our default values so that the Flag structure can
55 // access them by pointer. These are just used internally inside of one .cc,
56 // for MODE_META, so there is no impact on the flags interface.
57 #elif defined(FLAG_MODE_DEFINE_DEFAULTS)
58 #define FLAG_FULL(ftype, ctype, nam, def, cmt) \
59 static ctype const FLAGDEFAULT_##nam = def;
60 #define FLAG_READONLY(ftype, ctype, nam, def, cmt)
61 #define DEFINE_implication(whenflag, thenflag)
63 // We want to write entries into our meta data table, for internal parsing and
64 // printing / etc in the flag parser code. We only do this for writable flags.
65 #elif defined(FLAG_MODE_META)
66 #define FLAG_FULL(ftype, ctype, nam, def, cmt) \
67 { Flag::TYPE_##ftype, #nam, &FLAG_##nam, &FLAGDEFAULT_##nam, cmt, false },
68 #define FLAG_READONLY(ftype, ctype, nam, def, cmt)
69 #define DEFINE_implication(whenflag, thenflag)
71 // We produce the code to set flags when it is implied by another flag.
72 #elif defined(FLAG_MODE_DEFINE_IMPLICATIONS)
73 #define FLAG_FULL(ftype, ctype, nam, def, cmt)
74 #define FLAG_READONLY(ftype, ctype, nam, def, cmt)
75 #define DEFINE_implication(whenflag, thenflag) \
76 if (FLAG_##whenflag) FLAG_##thenflag = true;
79 #error No mode supplied when including flags.defs
82 #ifdef FLAG_MODE_DECLARE
83 // Structure used to hold a collection of arguments to the JavaScript code.
87 JSArguments(int argc, const char** argv);
90 const char*& operator[](int idx);
91 JSArguments& operator=(JSArguments args);
98 #define DEFINE_bool(nam, def, cmt) FLAG(BOOL, bool, nam, def, cmt)
99 #define DEFINE_int(nam, def, cmt) FLAG(INT, int, nam, def, cmt)
100 #define DEFINE_float(nam, def, cmt) FLAG(FLOAT, double, nam, def, cmt)
101 #define DEFINE_string(nam, def, cmt) FLAG(STRING, const char*, nam, def, cmt)
102 #define DEFINE_args(nam, def, cmt) FLAG(ARGS, JSArguments, nam, def, cmt)
105 // Flags in all modes.
107 #define FLAG FLAG_FULL
109 // Flags for experimental language features.
110 DEFINE_bool(harmony_typeof, false, "enable harmony semantics for typeof")
111 DEFINE_bool(harmony_scoping, false, "enable harmony block scoping")
112 DEFINE_bool(harmony_proxies, false, "enable harmony proxies")
113 DEFINE_bool(harmony_collections, false,
114 "enable harmony collections (sets, maps, and weak maps)")
115 DEFINE_bool(harmony, false, "enable all harmony features")
116 DEFINE_implication(harmony, harmony_typeof)
117 DEFINE_implication(harmony, harmony_scoping)
118 DEFINE_implication(harmony, harmony_proxies)
119 DEFINE_implication(harmony, harmony_collections)
121 // Flags for experimental implementation features.
122 DEFINE_bool(unbox_double_arrays, true, "automatically unbox arrays of doubles")
123 DEFINE_bool(smi_only_arrays, false, "tracks arrays with only smi values")
124 DEFINE_bool(string_slices, true, "use string slices")
126 DEFINE_bool(clever_optimizations,
128 "Optimize object size, Array shift, DOM strings and string +")
130 // Flags for Crankshaft.
131 DEFINE_bool(crankshaft, true, "use crankshaft")
132 DEFINE_string(hydrogen_filter, "", "hydrogen use/trace filter")
133 DEFINE_bool(use_hydrogen, true, "use generated hydrogen for compilation")
134 DEFINE_bool(build_lithium, true, "use lithium chunk builder")
135 DEFINE_bool(alloc_lithium, true, "use lithium register allocator")
136 DEFINE_bool(use_lithium, true, "use lithium code generator")
137 DEFINE_bool(use_range, true, "use hydrogen range analysis")
138 DEFINE_bool(eliminate_dead_phis, true, "eliminate dead phis")
139 DEFINE_bool(use_gvn, true, "use hydrogen global value numbering")
140 DEFINE_bool(use_canonicalizing, true, "use hydrogen instruction canonicalizing")
141 DEFINE_bool(use_inlining, true, "use function inlining")
142 DEFINE_bool(limit_inlining, true, "limit code size growth from inlining")
143 DEFINE_bool(eliminate_empty_blocks, true, "eliminate empty blocks")
144 DEFINE_bool(loop_invariant_code_motion, true, "loop invariant code motion")
145 DEFINE_bool(collect_megamorphic_maps_from_stub_cache,
147 "crankshaft harvests type feedback from stub cache")
148 DEFINE_bool(hydrogen_stats, false, "print statistics for hydrogen")
149 DEFINE_bool(trace_hydrogen, false, "trace generated hydrogen to file")
150 DEFINE_bool(trace_inlining, false, "trace inlining decisions")
151 DEFINE_bool(trace_alloc, false, "trace register allocator")
152 DEFINE_bool(trace_all_uses, false, "trace all use positions")
153 DEFINE_bool(trace_range, false, "trace range analysis")
154 DEFINE_bool(trace_gvn, false, "trace global value numbering")
155 DEFINE_bool(trace_representation, false, "trace representation types")
156 DEFINE_bool(stress_pointer_maps, false, "pointer map for every instruction")
157 DEFINE_bool(stress_environments, false, "environment for every instruction")
158 DEFINE_int(deopt_every_n_times,
160 "deoptimize every n times a deopt point is passed")
161 DEFINE_bool(trap_on_deopt, false, "put a break point before deoptimizing")
162 DEFINE_bool(deoptimize_uncommon_cases, true, "deoptimize uncommon cases")
163 DEFINE_bool(polymorphic_inlining, true, "polymorphic inlining")
164 DEFINE_bool(use_osr, true, "use on-stack replacement")
166 DEFINE_bool(trace_osr, false, "trace on-stack replacement")
167 DEFINE_int(stress_runs, 0, "number of stress runs")
168 DEFINE_bool(optimize_closures, true, "optimize closures")
170 // assembler-ia32.cc / assembler-arm.cc / assembler-x64.cc
171 DEFINE_bool(debug_code, false,
172 "generate extra code (assertions) for debugging")
173 DEFINE_bool(code_comments, false, "emit comments in code disassembly")
174 DEFINE_bool(peephole_optimization, true,
175 "perform peephole optimizations in assembly code")
176 DEFINE_bool(enable_sse2, true,
177 "enable use of SSE2 instructions if available")
178 DEFINE_bool(enable_sse3, true,
179 "enable use of SSE3 instructions if available")
180 DEFINE_bool(enable_sse4_1, true,
181 "enable use of SSE4.1 instructions if available")
182 DEFINE_bool(enable_cmov, true,
183 "enable use of CMOV instruction if available")
184 DEFINE_bool(enable_rdtsc, true,
185 "enable use of RDTSC instruction if available")
186 DEFINE_bool(enable_sahf, true,
187 "enable use of SAHF instruction if available (X64 only)")
188 DEFINE_bool(enable_vfp3, true,
189 "enable use of VFP3 instructions if available - this implies "
190 "enabling ARMv7 instructions (ARM only)")
191 DEFINE_bool(enable_armv7, true,
192 "enable use of ARMv7 instructions if available (ARM only)")
193 DEFINE_bool(enable_fpu, true,
194 "enable use of MIPS FPU instructions if available (MIPS only)")
197 DEFINE_string(expose_natives_as, NULL, "expose natives in global object")
198 DEFINE_string(expose_debug_as, NULL, "expose debug in global object")
199 DEFINE_bool(expose_gc, false, "expose gc extension")
200 DEFINE_bool(expose_externalize_string, false,
201 "expose externalize string extension")
202 DEFINE_int(stack_trace_limit, 10, "number of stack frames to capture")
203 DEFINE_bool(builtins_in_stack_traces, false,
204 "show built-in functions in stack traces")
205 DEFINE_bool(disable_native_files, false, "disable builtin natives files")
208 DEFINE_bool(inline_new, true, "use fast inline allocation")
211 DEFINE_bool(stack_trace_on_abort, true,
212 "print a stack trace if an assertion failure occurs")
214 // codegen-ia32.cc / codegen-arm.cc
215 DEFINE_bool(trace, false, "trace function calls")
216 DEFINE_bool(mask_constants_with_cookie,
218 "use random jit cookie to mask large constants")
221 DEFINE_bool(lazy, true, "use lazy compilation")
222 DEFINE_bool(trace_opt, false, "trace lazy optimization")
223 DEFINE_bool(trace_opt_stats, false, "trace lazy optimization statistics")
224 DEFINE_bool(opt, true, "use adaptive optimizations")
225 DEFINE_bool(opt_eagerly, false, "be more eager when adaptively optimizing")
226 DEFINE_bool(always_opt, false, "always try to optimize functions")
227 DEFINE_bool(prepare_always_opt, false, "prepare for turning on always opt")
228 DEFINE_bool(deopt, true, "support deoptimization")
229 DEFINE_bool(trace_deopt, false, "trace deoptimization")
232 DEFINE_int(min_preparse_length, 1024,
233 "minimum length for automatic enable preparsing")
234 DEFINE_bool(always_full_compiler, false,
235 "try to use the dedicated run-once backend for all code")
236 DEFINE_bool(trace_bailout, false,
237 "print reasons for falling back to using the classic V8 backend")
239 // compilation-cache.cc
240 DEFINE_bool(compilation_cache, true, "enable compilation cache")
242 DEFINE_bool(cache_prototype_transitions, true, "cache prototype transitions")
245 DEFINE_bool(trace_debug_json, false, "trace debugging JSON request/response")
246 DEFINE_bool(debugger_auto_break, true,
247 "automatically set the debug break flag when debugger commands are "
249 DEFINE_bool(enable_liveedit, true, "enable liveedit experimental feature")
252 DEFINE_int(stack_size, kPointerSize * 128,
253 "default size of stack region v8 is allowed to use (in KkBytes)")
256 DEFINE_int(max_stack_trace_source_length, 300,
257 "maximum length of function source code printed in a stack trace.")
260 DEFINE_bool(always_inline_smi_code, false,
261 "always inline smi code in non-opt code")
264 DEFINE_int(max_new_space_size, 0, "max size of the new generation (in kBytes)")
265 DEFINE_int(max_old_space_size, 0, "max size of the old generation (in Mbytes)")
266 DEFINE_int(max_executable_size, 0, "max size of executable memory (in Mbytes)")
267 DEFINE_bool(gc_global, false, "always perform global GCs")
268 DEFINE_int(gc_interval, -1, "garbage collect after <n> allocations")
269 DEFINE_bool(trace_gc, false,
270 "print one trace line following each garbage collection")
271 DEFINE_bool(trace_gc_nvp, false,
272 "print one detailed trace line in name=value format "
273 "after each garbage collection")
274 DEFINE_bool(print_cumulative_gc_stat, false,
275 "print cumulative GC statistics in name=value format on exit")
276 DEFINE_bool(trace_gc_verbose, false,
277 "print more details following each garbage collection")
278 DEFINE_bool(trace_fragmentation, false,
279 "report fragmentation for old pointer and data pages")
280 DEFINE_bool(collect_maps, true,
281 "garbage collect maps from which no objects can be reached")
282 DEFINE_bool(flush_code, true,
283 "flush code that we expect not to use again before full gc")
284 DEFINE_bool(incremental_marking, true, "use incremental marking")
285 DEFINE_bool(incremental_marking_steps, true, "do incremental marking steps")
286 DEFINE_bool(trace_incremental_marking, false,
287 "trace progress of the incremental marking")
290 DEFINE_bool(use_idle_notification, true,
291 "Use idle notification to reduce memory footprint.")
293 DEFINE_bool(use_ic, true, "use inline caching")
295 #ifdef LIVE_OBJECT_LIST
297 DEFINE_string(lol_workdir, NULL, "path for lol temp files")
298 DEFINE_bool(verify_lol, false, "perform debugging verification for lol")
301 // macro-assembler-ia32.cc
302 DEFINE_bool(native_code_counters, false,
303 "generate extra code for manipulating stats counters")
306 DEFINE_bool(always_compact, false, "Perform compaction on every full GC")
307 DEFINE_bool(lazy_sweeping, true,
308 "Use lazy sweeping for old pointer and data spaces")
309 DEFINE_bool(cleanup_caches_in_maps_at_gc, true,
310 "Flush code caches in maps during mark compact cycle.")
311 DEFINE_bool(never_compact, false,
312 "Never perform compaction on full GC - testing only")
313 DEFINE_bool(compact_code_space, false, "Compact code space")
314 DEFINE_bool(cleanup_code_caches_at_gc, true,
315 "Flush inline caches prior to mark compact collection and "
316 "flush code caches in maps during mark compact cycle.")
317 DEFINE_int(random_seed, 0,
318 "Default seed for initializing random generator "
319 "(0, the default, means to use system random).")
321 DEFINE_bool(canonicalize_object_literal_maps, true,
322 "Canonicalize maps for object literals.")
324 DEFINE_int(max_map_space_pages, MapSpace::kMaxMapPageIndex - 1,
325 "Maximum number of pages in map space which still allows to encode "
326 "forwarding pointers. That's actually a constant, but it's useful "
327 "to control it with a flag for better testing.")
330 DEFINE_bool(h, false, "print this message")
331 DEFINE_bool(new_snapshot, true, "use new snapshot implementation")
334 DEFINE_bool(use_verbose_printer, true, "allows verbose printing")
337 DEFINE_bool(allow_natives_syntax, false, "allow natives syntax")
339 // simulator-arm.cc and simulator-mips.cc
340 DEFINE_bool(trace_sim, false, "Trace simulator execution")
341 DEFINE_bool(check_icache, false,
342 "Check icache flushes in ARM and MIPS simulator")
343 DEFINE_int(stop_sim_at, 0, "Simulator stop after x number of instructions")
344 DEFINE_int(sim_stack_alignment, 8,
345 "Stack alingment in bytes in simulator (4 or 8, 8 is default)")
348 DEFINE_bool(trace_exception, false,
349 "print stack trace when throwing exceptions")
350 DEFINE_bool(preallocate_message_memory, false,
351 "preallocate some memory to build stack traces.")
352 DEFINE_bool(randomize_string_hashes,
354 "randomize string hashes to avoid predictable hash collisions "
355 "(with snapshots this option cannot override the baked-in seed)")
356 DEFINE_int(string_hash_seed,
358 "Fixed seed to use to string hashing (0 means random)"
359 "(with snapshots this option cannot override the baked-in seed)")
362 DEFINE_bool(preemption, false,
363 "activate a 100ms timer that switches between V8 threads")
366 DEFINE_bool(regexp_optimization, true, "generate optimized regexp code")
368 // Testing flags test/cctest/test-{flags,api,serialization}.cc
369 DEFINE_bool(testing_bool_flag, true, "testing_bool_flag")
370 DEFINE_int(testing_int_flag, 13, "testing_int_flag")
371 DEFINE_float(testing_float_flag, 2.5, "float-flag")
372 DEFINE_string(testing_string_flag, "Hello, world!", "string-flag")
373 DEFINE_int(testing_prng_seed, 42, "Seed used for threading test randomness")
375 DEFINE_string(testing_serialization_file, "C:\\Windows\\Temp\\serdes",
376 "file in which to testing_serialize heap")
378 DEFINE_string(testing_serialization_file, "/tmp/serdes",
379 "file in which to serialize heap")
386 DEFINE_bool(help, false, "Print usage message, including flags, on console")
387 DEFINE_bool(dump_counters, false, "Dump counters on exit")
389 #ifdef ENABLE_DEBUGGER_SUPPORT
390 DEFINE_bool(debugger, false, "Enable JavaScript debugger")
391 DEFINE_bool(remote_debugger, false, "Connect JavaScript debugger to the "
392 "debugger agent in another process")
393 DEFINE_bool(debugger_agent, false, "Enable debugger agent")
394 DEFINE_int(debugger_port, 5858, "Port to use for remote debugging")
395 #endif // ENABLE_DEBUGGER_SUPPORT
397 DEFINE_string(map_counters, "", "Map counters to a file")
398 DEFINE_args(js_arguments, JSArguments(),
399 "Pass all remaining arguments to the script. Alias for \"--\".")
402 DEFINE_bool(debug_compile_events, false, "Enable debugger compile events")
403 DEFINE_bool(debug_script_collected_events, false,
404 "Enable debugger script collected events")
406 DEFINE_bool(debug_compile_events, true, "Enable debugger compile events")
407 DEFINE_bool(debug_script_collected_events, true,
408 "Enable debugger script collected events")
413 // GDB JIT integration flags.
416 DEFINE_bool(gdbjit, false, "enable GDBJIT interface (disables compacting GC)")
417 DEFINE_bool(gdbjit_full, false, "enable GDBJIT interface for all code objects")
418 DEFINE_bool(gdbjit_dump, false, "dump elf objects with debug info to disk")
419 DEFINE_string(gdbjit_dump_filter, "",
420 "dump only objects containing this substring")
423 DEFINE_bool(force_marking_deque_overflows, false,
424 "force overflows of marking deque by reducing it's size "
427 DEFINE_bool(stress_compaction, false,
428 "stress the GC compactor to flush out bugs (implies "
429 "--force_marking_deque_overflows)")
436 #define FLAG FLAG_FULL
438 #define FLAG FLAG_READONLY
442 DEFINE_bool(enable_slow_asserts, false,
443 "enable asserts that are slow to execute")
445 // codegen-ia32.cc / codegen-arm.cc
446 DEFINE_bool(trace_codegen, false,
447 "print name of functions for which code is generated")
448 DEFINE_bool(print_source, false, "pretty print source code")
449 DEFINE_bool(print_builtin_source, false,
450 "pretty print source code for builtins")
451 DEFINE_bool(print_ast, false, "print source AST")
452 DEFINE_bool(print_builtin_ast, false, "print source AST for builtins")
453 DEFINE_bool(print_json_ast, false, "print source AST as JSON")
454 DEFINE_bool(print_builtin_json_ast, false,
455 "print source AST for builtins as JSON")
456 DEFINE_string(stop_at, "", "function name where to insert a breakpoint")
459 DEFINE_bool(print_builtin_scopes, false, "print scopes for builtins")
460 DEFINE_bool(print_scopes, false, "print scopes")
463 DEFINE_bool(trace_contexts, false, "trace contexts operations")
466 DEFINE_bool(gc_greedy, false, "perform GC prior to some allocations")
467 DEFINE_bool(gc_verbose, false, "print stuff during garbage collection")
468 DEFINE_bool(heap_stats, false, "report heap statistics before and after GC")
469 DEFINE_bool(code_stats, false, "report code statistics after GC")
470 DEFINE_bool(verify_heap, false, "verify heap pointers before and after GC")
471 DEFINE_bool(print_handles, false, "report handles after GC")
472 DEFINE_bool(print_global_handles, false, "report global handles after GC")
475 DEFINE_bool(trace_ic, false, "trace inline cache state transitions")
478 DEFINE_bool(trace_normalization,
480 "prints when objects are turned into dictionaries.")
483 DEFINE_bool(trace_lazy, false, "trace lazy compilation")
486 DEFINE_bool(debug_serialization, false,
487 "write debug information into the snapshot.")
490 DEFINE_bool(collect_heap_spill_statistics, false,
491 "report heap spill statistics along with heap_stats "
492 "(requires heap_stats)")
494 DEFINE_bool(trace_isolates, false, "trace isolate state changes")
497 DEFINE_bool(log_state_changes, false, "Log state changes.")
500 DEFINE_bool(regexp_possessive_quantifier,
502 "enable possessive quantifier syntax for testing")
503 DEFINE_bool(trace_regexp_bytecodes, false, "trace regexp bytecode execution")
504 DEFINE_bool(trace_regexp_assembler,
506 "trace regexp macro assembler calls.")
509 // Logging and profiling flags
512 #define FLAG FLAG_FULL
515 DEFINE_bool(log, false,
516 "Minimal logging (no API, code, GC, suspect, or handles samples).")
517 DEFINE_bool(log_all, false, "Log all events to the log file.")
518 DEFINE_bool(log_runtime, false, "Activate runtime system %Log call.")
519 DEFINE_bool(log_api, false, "Log API events to the log file.")
520 DEFINE_bool(log_code, false,
521 "Log code events to the log file without profiling.")
522 DEFINE_bool(log_gc, false,
523 "Log heap samples on garbage collection for the hp2ps tool.")
524 DEFINE_bool(log_handles, false, "Log global handle events.")
525 DEFINE_bool(log_snapshot_positions, false,
526 "log positions of (de)serialized objects in the snapshot.")
527 DEFINE_bool(log_suspect, false, "Log suspect operations.")
528 DEFINE_bool(prof, false,
529 "Log statistical profiling information (implies --log-code).")
530 DEFINE_bool(prof_auto, true,
531 "Used with --prof, starts profiling automatically")
532 DEFINE_bool(prof_lazy, false,
533 "Used with --prof, only does sampling and logging"
534 " when profiler is active (implies --noprof_auto).")
535 DEFINE_bool(prof_browser_mode, true,
536 "Used with --prof, turns on browser-compatible mode for profiling.")
537 DEFINE_bool(log_regexp, false, "Log regular expression execution.")
538 DEFINE_bool(sliding_state_window, false,
539 "Update sliding state window counters.")
540 DEFINE_string(logfile, "v8.log", "Specify the name of the log file.")
541 DEFINE_bool(ll_prof, false, "Enable low-level linux profiler.")
544 // Disassembler only flags
547 #ifdef ENABLE_DISASSEMBLER
548 #define FLAG FLAG_FULL
550 #define FLAG FLAG_READONLY
554 DEFINE_bool(trace_elements_transitions, false, "trace elements transitions")
557 DEFINE_bool(print_code_stubs, false, "print code stubs")
559 // codegen-ia32.cc / codegen-arm.cc
560 DEFINE_bool(print_code, false, "print generated code")
561 DEFINE_bool(print_opt_code, false, "print optimized code")
562 DEFINE_bool(print_unopt_code, false, "print unoptimized code before "
563 "printing optimized code based on it")
564 DEFINE_bool(print_code_verbose, false, "print more information for code")
565 DEFINE_bool(print_builtin_code, false, "print generated code for builtins")
567 #ifdef ENABLE_DISASSEMBLER
568 DEFINE_bool(print_all_code, false, "enable all flags related to printing code")
569 DEFINE_implication(print_all_code, print_code)
570 DEFINE_implication(print_all_code, print_opt_code)
571 DEFINE_implication(print_all_code, print_unopt_code)
572 DEFINE_implication(print_all_code, print_code_verbose)
573 DEFINE_implication(print_all_code, print_builtin_code)
574 DEFINE_implication(print_all_code, print_code_stubs)
575 DEFINE_implication(print_all_code, code_comments)
577 DEFINE_implication(print_all_code, trace_codegen)
589 #undef DEFINE_implication
591 #undef FLAG_MODE_DECLARE
592 #undef FLAG_MODE_DEFINE
593 #undef FLAG_MODE_DEFINE_DEFAULTS
594 #undef FLAG_MODE_META
595 #undef FLAG_MODE_DEFINE_IMPLICATIONS