Revert of Rebase GDBJIT interface solely on JITCodeEvent

src/flag-definitions.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file defines all of the flags.  It is separated into different section,
 // for Debug, Release, Logging and Profiling, etc.  To add a new flag, find the
 // correct section, and use one of the DEFINE_ macros, without a trailing ';'.
 //
 // This include does not have a guard, because it is a template-style include,
 // which can be included multiple times in different modes.  It expects to have
@@ skipping 734 matching lines @@
 
 // code-stubs-hydrogen.cc
 DEFINE_BOOL(profile_hydrogen_code_stub_compilation, false,
             "Print the time it takes to lazily compile hydrogen code stubs.")
 
 DEFINE_BOOL(predictable, false, "enable predictable mode")
 DEFINE_NEG_IMPLICATION(predictable, concurrent_recompilation)
 DEFINE_NEG_IMPLICATION(predictable, concurrent_osr)
 DEFINE_NEG_IMPLICATION(predictable, concurrent_sweeping)
 
+
+//
+// Dev shell flags
+//
+
+DEFINE_BOOL(help, false, "Print usage message, including flags, on console")
+DEFINE_BOOL(dump_counters, false, "Dump counters on exit")
+
+DEFINE_BOOL(debugger, false, "Enable JavaScript debugger")
+
+DEFINE_STRING(map_counters, "", "Map counters to a file")
+DEFINE_ARGS(js_arguments,
+            "Pass all remaining arguments to the script. Alias for \"--\".")
+
+//
+// GDB JIT integration flags.
+//
+
+DEFINE_BOOL(gdbjit, false, "enable GDBJIT interface (disables compacting GC)")
+DEFINE_BOOL(gdbjit_full, false, "enable GDBJIT interface for all code objects")
+DEFINE_BOOL(gdbjit_dump, false, "dump elf objects with debug info to disk")
+DEFINE_STRING(gdbjit_dump_filter, "",
+              "dump only objects containing this substring")
+
 // mark-compact.cc
 DEFINE_BOOL(force_marking_deque_overflows, false,
             "force overflows of marking deque by reducing it's size "
             "to 64 words")
 
 DEFINE_BOOL(stress_compaction, false,
             "stress the GC compactor to flush out bugs (implies "
             "--force_marking_deque_overflows)")
 
 //
-// Dev shell flags
-//
-
-DEFINE_BOOL(help, false, "Print usage message, including flags, on console")
-DEFINE_BOOL(dump_counters, false, "Dump counters on exit")
-
-DEFINE_BOOL(debugger, false, "Enable JavaScript debugger")
-
-DEFINE_STRING(map_counters, "", "Map counters to a file")
-DEFINE_ARGS(js_arguments,
-            "Pass all remaining arguments to the script. Alias for \"--\".")
-
-//
-// GDB JIT integration flags.
-//
-#undef FLAG
-#ifdef ENABLE_GDB_JIT_INTERFACE
-#define FLAG FLAG_FULL
-#else
-#define FLAG FLAG_READONLY
-#endif
-
-DEFINE_BOOL(gdbjit, false, "enable GDBJIT interface")
-DEFINE_BOOL(gdbjit_full, false, "enable GDBJIT interface for all code objects")
-DEFINE_BOOL(gdbjit_dump, false, "dump elf objects with debug info to disk")
-DEFINE_STRING(gdbjit_dump_filter, "",
-              "dump only objects containing this substring")
-
-#ifdef ENABLE_GDB_JIT_INTERFACE
-DEFINE_IMPLICATION(gdbjit_full, gdbjit)
-DEFINE_IMPLICATION(gdbjit_dump, gdbjit)
-#endif
-DEFINE_NEG_IMPLICATION(gdbjit, compact_code_space)
-
-//
 // Debug only flags
 //
 #undef FLAG
 #ifdef DEBUG
 #define FLAG FLAG_FULL
 #else
 #define FLAG FLAG_READONLY
 #endif
 
 // checks.cc
@@ skipping 220 matching lines @@
 #undef DEFINE_ALIAS_FLOAT
 #undef DEFINE_ALIAS_ARGS
 
 #undef FLAG_MODE_DECLARE
 #undef FLAG_MODE_DEFINE
 #undef FLAG_MODE_DEFINE_DEFAULTS
 #undef FLAG_MODE_META
 #undef FLAG_MODE_DEFINE_IMPLICATIONS
 
 #undef COMMA