Add malloc/new profiling on linux

Makefile.standalone

 # The following variables will likely need to be modified, depending on where
 # and how you built LLVM & Clang. They can be overridden in a command-line
 # invocation of make, like:
 #
 #   make LLVM_SRC_PATH=<path> LIBCXX_INSTALL_PATH=<path> CLANG_PATH=<path> \
 #        PNACL_BIN_PATH=<path> ...
 #
 
 # LLVM_SRC_PATH is the path to the root of the checked out source code. This
 # directory should contain the configure script, the include/ and lib/
@@ skipping 152 matching lines @@
   # handle bundle_lock pad-to-end correctly.
   # TODO(jpp): fix this.
   FORCEASM_LIT_TEST_EXCLUDES = --filter='^(?!.*/x86/sandboxing.ll).*'
 else
   FORCEASM_FLAG =
   FORCEASM_XTEST_EXCLUDES =
   FORCEASM_LIT_PARAM =
   FORCEASM_LIT_TEST_EXCLUDES =
 endif
 
+ifdef LINUX_MALLOC_PROFILE
+  OBJDIR := $(OBJDIR)+MalProf
+  CXX_EXTRA += -DALLOW_LINUX_MALLOC_PROFILE=1
+  LD_EXTRA += -Wl,--export-dynamic
+endif
+
 SB_OBJDIR := $(OBJDIR)+Sandboxed
 SBB_OBJDIR := $(OBJDIR)+SandboxedBrowser
 
 $(info -----------------------------------------------)
 $(info Using LLVM_SRC_PATH = $(LLVM_SRC_PATH))
 $(info Using SB_LLVM_PATH = $(SB_LLVM_PATH))
 $(info Using NACL_ROOT = $(NACL_ROOT))
 $(info Using TOOLCHAIN_ROOT = $(TOOLCHAIN_ROOT))
 $(info Using PNACL_TOOLCHAIN_ROOT = $(PNACL_TOOLCHAIN_ROOT))
 $(info Using PNACL_BIN_PATH = $(PNACL_BIN_PATH))
@@ skipping 109 matching lines @@
   IceMangling.cpp \
   IceMemory.cpp \
   IceOperand.cpp \
   IceRegAlloc.cpp \
   IceRNG.cpp \
   IceSwitchLowering.cpp \
   IceThreading.cpp \
   IceTimerTree.cpp \
   IceTranslator.cpp \
   IceTypes.cpp \
+  LinuxMallocProfiling.cpp \
   main.cpp \
   PNaClTranslator.cpp
 
 ifndef MINIMAL
   SRCS += \
     IceConverter.cpp \
     IceTypeConverter.cpp
 endif
 
 OBJS=$(patsubst %.cpp, $(OBJDIR)/%.o, $(SRCS))
@@ skipping 362 matching lines @@
 
 help-check-xtest:
         @cat Makefile.standalone-help/check-xtest.txt
 
 clean:
         rm -rf pnacl-sz *.o $(foreach nexe,$(NEXES),$(notdir $(nexe))) \
           $(OBJDIR) $(SB_OBJDIR) $(SBB_OBJDIR) build/*.bloat.json
 
 clean-all: clean
         rm -rf build/ crosstest/Output/