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-rw-r--r--runtime/libprofile/CommonProfiling.c173
1 files changed, 0 insertions, 173 deletions
diff --git a/runtime/libprofile/CommonProfiling.c b/runtime/libprofile/CommonProfiling.c
deleted file mode 100644
index 8f4119c..0000000
--- a/runtime/libprofile/CommonProfiling.c
+++ /dev/null
@@ -1,173 +0,0 @@
-/*===-- CommonProfiling.c - Profiling support library support -------------===*\
-|*
-|* The LLVM Compiler Infrastructure
-|*
-|* This file is distributed under the University of Illinois Open Source
-|* License. See LICENSE.TXT for details.
-|*
-|*===----------------------------------------------------------------------===*|
-|*
-|* This file implements functions used by the various different types of
-|* profiling implementations.
-|*
-\*===----------------------------------------------------------------------===*/
-
-#include "Profiling.h"
-#include <assert.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
-#if !defined(_MSC_VER) && !defined(__MINGW32__)
-#include <unistd.h>
-#else
-#include <io.h>
-#endif
-#include <stdlib.h>
-
-static char *SavedArgs = 0;
-static unsigned SavedArgsLength = 0;
-static const char *SavedEnvVar = 0;
-
-static const char *OutputFilename = "llvmprof.out";
-
-/* check_environment_variable - Check to see if the LLVMPROF_OUTPUT environment
- * variable is set. If it is then save it and set OutputFilename.
- */
-static void check_environment_variable(void) {
- const char *EnvVar;
- if (SavedEnvVar) return; /* Guarantee that we can't leak memory. */
-
- if ((EnvVar = getenv("LLVMPROF_OUTPUT")) != NULL) {
- /* The string that getenv returns is allowed to be statically allocated,
- * which means it may be changed by future calls to getenv, so copy it.
- */
- SavedEnvVar = strdup(EnvVar);
- OutputFilename = SavedEnvVar;
- }
-}
-
-/* save_arguments - Save argc and argv as passed into the program for the file
- * we output.
- * If either the LLVMPROF_OUTPUT environment variable or the -llvmprof-output
- * command line argument are set then change OutputFilename to the provided
- * value. The command line argument value overrides the environment variable.
- */
-int save_arguments(int argc, const char **argv) {
- unsigned Length, i;
- if (!SavedEnvVar && !SavedArgs) check_environment_variable();
- if (SavedArgs || !argv) return argc; /* This can be called multiple times */
-
- /* Check to see if there are any arguments passed into the program for the
- * profiler. If there are, strip them off and remember their settings.
- */
- while (argc > 1 && !strncmp(argv[1], "-llvmprof-", 10)) {
- /* Ok, we have an llvmprof argument. Remove it from the arg list and decide
- * what to do with it.
- */
- const char *Arg = argv[1];
- memmove((char**)&argv[1], &argv[2], (argc-1)*sizeof(char*));
- --argc;
-
- if (!strcmp(Arg, "-llvmprof-output")) {
- if (argc == 1)
- puts("-llvmprof-output requires a filename argument!");
- else {
- OutputFilename = strdup(argv[1]);
- if (SavedEnvVar) { free((void *)SavedEnvVar); SavedEnvVar = 0; }
- memmove((char**)&argv[1], &argv[2], (argc-1)*sizeof(char*));
- --argc;
- }
- } else {
- printf("Unknown option to the profiler runtime: '%s' - ignored.\n", Arg);
- }
- }
-
- for (Length = 0, i = 0; i != (unsigned)argc; ++i)
- Length += strlen(argv[i])+1;
-
- /* Defensively check for a zero length, even though this is unlikely
- * to happen in practice. This avoids calling malloc() below with a
- * size of 0.
- */
- if (Length == 0) {
- SavedArgs = 0;
- SavedArgsLength = 0;
- return argc;
- }
-
- SavedArgs = (char*)malloc(Length);
- for (Length = 0, i = 0; i != (unsigned)argc; ++i) {
- unsigned Len = strlen(argv[i]);
- memcpy(SavedArgs+Length, argv[i], Len);
- Length += Len;
- SavedArgs[Length++] = ' ';
- }
-
- SavedArgsLength = Length;
-
- return argc;
-}
-
-
-/*
- * Retrieves the file descriptor for the profile file.
- */
-int getOutFile() {
- static int OutFile = -1;
-
- /* If this is the first time this function is called, open the output file
- * for appending, creating it if it does not already exist.
- */
- if (OutFile == -1) {
- OutFile = open(OutputFilename, O_CREAT | O_WRONLY, 0666);
- lseek(OutFile, 0, SEEK_END); /* O_APPEND prevents seeking */
- if (OutFile == -1) {
- fprintf(stderr, "LLVM profiling runtime: while opening '%s': ",
- OutputFilename);
- perror("");
- return(OutFile);
- }
-
- /* Output the command line arguments to the file. */
- {
- int PTy = ArgumentInfo;
- int Zeros = 0;
- if (write(OutFile, &PTy, sizeof(int)) < 0 ||
- write(OutFile, &SavedArgsLength, sizeof(unsigned)) < 0 ||
- write(OutFile, SavedArgs, SavedArgsLength) < 0 ) {
- fprintf(stderr,"error: unable to write to output file.");
- exit(0);
- }
- /* Pad out to a multiple of four bytes */
- if (SavedArgsLength & 3) {
- if (write(OutFile, &Zeros, 4-(SavedArgsLength&3)) < 0) {
- fprintf(stderr,"error: unable to write to output file.");
- exit(0);
- }
- }
- }
- }
- return(OutFile);
-}
-
-/* write_profiling_data - Write a raw block of profiling counters out to the
- * llvmprof.out file. Note that we allow programs to be instrumented with
- * multiple different kinds of instrumentation. For this reason, this function
- * may be called more than once.
- */
-void write_profiling_data(enum ProfilingType PT, unsigned *Start,
- unsigned NumElements) {
- int PTy;
- int outFile = getOutFile();
-
- /* Write out this record! */
- PTy = PT;
- if( write(outFile, &PTy, sizeof(int)) < 0 ||
- write(outFile, &NumElements, sizeof(unsigned)) < 0 ||
- write(outFile, Start, NumElements*sizeof(unsigned)) < 0 ) {
- fprintf(stderr,"error: unable to write to output file.");
- exit(0);
- }
-}