Implement a dynamically growing memory log buffer with an upper limit.

tools/v8.xcodeproj/project.pbxproj

Index: tools/v8.xcodeproj/project.pbxproj
diff --git a/tools/v8.xcodeproj/project.pbxproj b/tools/v8.xcodeproj/project.pbxproj
index 83212fb423d2776c27377bb50d09398be3477f38..2a7cb2db5a9d8ebfdcfb765f0d25479e974a9c0f 100755
--- a/tools/v8.xcodeproj/project.pbxproj
+++ b/tools/v8.xcodeproj/project.pbxproj
@@ -205,6 +205,8 @@
 		89F23C9F0E78D604006B2466 /* simulator-arm.cc in Sources */ = {isa = PBXBuildFile; fileRef = 897FF17D0E719B8F00D62E90 /* simulator-arm.cc */; };
 		89F23CA00E78D609006B2466 /* stub-cache-arm.cc in Sources */ = {isa = PBXBuildFile; fileRef = 897FF18A0E719B8F00D62E90 /* stub-cache-arm.cc */; };
 		89FB0E3A0F8E533F00B04B3C /* d8-posix.cc in Sources */ = {isa = PBXBuildFile; fileRef = 89FB0E360F8E531900B04B3C /* d8-posix.cc */; };
+		9F4B7B890FCC877A00DC4117 /* log-utils.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9F4B7B870FCC877A00DC4117 /* log-utils.cc */; };
+		9F4B7B8A0FCC877A00DC4117 /* log-utils.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9F4B7B870FCC877A00DC4117 /* log-utils.cc */; };
 		9F92FAA90F8F28AD0089F02C /* func-name-inferrer.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9F92FAA70F8F28AD0089F02C /* func-name-inferrer.cc */; };
 		9F92FAAA0F8F28AD0089F02C /* func-name-inferrer.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9F92FAA70F8F28AD0089F02C /* func-name-inferrer.cc */; };
 		9FC86ABD0F5FEDAC00F22668 /* oprofile-agent.cc in Sources */ = {isa = PBXBuildFile; fileRef = 9FC86ABB0F5FEDAC00F22668 /* oprofile-agent.cc */; };
@@ -527,6 +529,8 @@
 		89F23C950E78D5B6006B2466 /* v8_shell-arm */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = "v8_shell-arm"; sourceTree = BUILT_PRODUCTS_DIR; };
 		89FB0E360F8E531900B04B3C /* d8-posix.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = "d8-posix.cc"; path = "../src/d8-posix.cc"; sourceTree = "<group>"; };
 		89FB0E370F8E531900B04B3C /* d8-windows.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = "d8-windows.cc"; path = "../src/d8-windows.cc"; sourceTree = "<group>"; };
+		9F4B7B870FCC877A00DC4117 /* log-utils.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = "log-utils.cc"; sourceTree = "<group>"; };
+		9F4B7B880FCC877A00DC4117 /* log-utils.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "log-utils.h"; sourceTree = "<group>"; };
 		9F92FAA70F8F28AD0089F02C /* func-name-inferrer.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = "func-name-inferrer.cc"; sourceTree = "<group>"; };
 		9F92FAA80F8F28AD0089F02C /* func-name-inferrer.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "func-name-inferrer.h"; sourceTree = "<group>"; };
 		9FC86ABB0F5FEDAC00F22668 /* oprofile-agent.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = "oprofile-agent.cc"; sourceTree = "<group>"; };
@@ -732,6 +736,8 @@
 				897FF1510E719B8F00D62E90 /* list.h */,
 				897FF1520E719B8F00D62E90 /* log.cc */,
 				897FF1530E719B8F00D62E90 /* log.h */,
+				9F4B7B870FCC877A00DC4117 /* log-utils.cc */,
+				9F4B7B880FCC877A00DC4117 /* log-utils.h */,
 				897FF1540E719B8F00D62E90 /* macro-assembler-arm.cc */,
 				897FF1550E719B8F00D62E90 /* macro-assembler-arm.h */,
 				897FF1560E719B8F00D62E90 /* macro-assembler-ia32.cc */,
@@ -1187,6 +1193,7 @@
 				58950D660F5551C200F3E8BA /* virtual-frame.cc in Sources */,
 				58950D670F5551C400F3E8BA /* virtual-frame-ia32.cc in Sources */,
 				89A88E2E0E71A6D60043BA31 /* zone.cc in Sources */,
+				9F4B7B890FCC877A00DC4117 /* log-utils.cc in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -1290,6 +1297,7 @@
 				58950D680F5551CB00F3E8BA /* virtual-frame.cc in Sources */,
 				58950D690F5551CE00F3E8BA /* virtual-frame-arm.cc in Sources */,
 				89F23C820E78D5B2006B2466 /* zone.cc in Sources */,
+				9F4B7B8A0FCC877A00DC4117 /* log-utils.cc in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};