diff options
Diffstat (limited to 'runtime')
| -rw-r--r-- | runtime/Makefile | 16 | ||||
| -rw-r--r-- | runtime/libprofile/Makefile | 5 | ||||
| -rw-r--r-- | runtime/libprofile/OptimalEdgeProfiling.c | 45 | ||||
| -rw-r--r-- | runtime/libprofile/exported_symbols.lst | 2 |
4 files changed, 55 insertions, 13 deletions
diff --git a/runtime/Makefile b/runtime/Makefile index 9937c11..1e10451 100644 --- a/runtime/Makefile +++ b/runtime/Makefile @@ -10,16 +10,9 @@ LEVEL = .. include $(LEVEL)/Makefile.config -ifneq ($(wildcard $(LLVMGCC)),) +ifndef NO_RUNTIME_LIBS + PARALLEL_DIRS := libprofile -else -PARALLEL_DIRS := -install all :: - @echo '********' Warning: Your LLVMGCCDIR is set incorrectly. Check - @echo '********' Warning: llvm/Makefile.config to make sure it matches - @echo '********' Warning: the directory where the C front-end is - @echo '********' Warning: installed,and re-run configure if it does not. -endif # Disable libprofile: a faulty libtool is generated by autoconf which breaks the # build on Sparc @@ -27,9 +20,8 @@ ifeq ($(ARCH), Sparc) PARALLEL_DIRS := $(filter-out libprofile, $(PARALLEL_DIRS)) endif +endif + include $(LEVEL)/Makefile.common -# Install target for libraries: Copy into $LLVMGCCDIR/bytecode-libs -# install:: - diff --git a/runtime/libprofile/Makefile b/runtime/libprofile/Makefile index 8ff46fab..92a8558 100644 --- a/runtime/libprofile/Makefile +++ b/runtime/libprofile/Makefile @@ -8,12 +8,15 @@ ##===----------------------------------------------------------------------===## LEVEL = ../.. +include $(LEVEL)/Makefile.config + +ifneq ($(wildcard $(LLVMGCC)),) BYTECODE_LIBRARY = 1 +endif SHARED_LIBRARY = 1 LOADABLE_MODULE = 1 LIBRARYNAME = profile_rt EXTRA_DIST = exported_symbols.lst EXPORTED_SYMBOL_FILE = $(PROJ_SRC_DIR)/exported_symbols.lst -BYTECODE_DESTINATION = $(CFERuntimeLibDir) include $(LEVEL)/Makefile.common diff --git a/runtime/libprofile/OptimalEdgeProfiling.c b/runtime/libprofile/OptimalEdgeProfiling.c new file mode 100644 index 0000000..eb7887b --- /dev/null +++ b/runtime/libprofile/OptimalEdgeProfiling.c @@ -0,0 +1,45 @@ +/*===-- OptimalEdgeProfiling.c - Support library for opt. edge profiling --===*\ +|* +|* The LLVM Compiler Infrastructure +|* +|* This file is distributed under the University of Illinois Open Source +|* License. See LICENSE.TXT for details. +|* +|*===----------------------------------------------------------------------===*| +|* +|* This file implements the call back routines for the edge profiling +|* instrumentation pass. This should be used with the +|* -insert-opt-edge-profiling LLVM pass. +|* +\*===----------------------------------------------------------------------===*/ + +#include "Profiling.h" +#include <stdlib.h> + +static unsigned *ArrayStart; +static unsigned NumElements; + +/* OptEdgeProfAtExitHandler - When the program exits, just write out the + * profiling data. + */ +static void OptEdgeProfAtExitHandler() { + /* Note that, although the array has a counter for each edge, not all + * counters are updated, the ones that are not used are initialised with -1. + * When loading this information the counters with value -1 have to be + * recalculated, it is guranteed that this is possible. + */ + write_profiling_data(OptEdgeInfo, ArrayStart, NumElements); +} + + +/* llvm_start_opt_edge_profiling - This is the main entry point of the edge + * profiling library. It is responsible for setting up the atexit handler. + */ +int llvm_start_opt_edge_profiling(int argc, const char **argv, + unsigned *arrayStart, unsigned numElements) { + int Ret = save_arguments(argc, argv); + ArrayStart = arrayStart; + NumElements = numElements; + atexit(OptEdgeProfAtExitHandler); + return Ret; +} diff --git a/runtime/libprofile/exported_symbols.lst b/runtime/libprofile/exported_symbols.lst index 6f6c3cc..45c6d5e 100644 --- a/runtime/libprofile/exported_symbols.lst +++ b/runtime/libprofile/exported_symbols.lst @@ -1,5 +1,7 @@ llvm_start_func_profiling llvm_start_block_profiling +llvm_start_edge_profiling +llvm_start_opt_edge_profiling llvm_start_basic_block_tracing llvm_trace_basic_block |
