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/*===- InstrProfiling.c - Support library for PGO instrumentation ---------===*\
|*
|* The LLVM Compiler Infrastructure
|*
|* This file is distributed under the University of Illinois Open Source
|* License. See LICENSE.TXT for details.
|*
\*===----------------------------------------------------------------------===*/
#include "InstrProfiling.h"
#include <string.h>
/* TODO: void __llvm_profile_get_size_for_buffer(void); */
static void writeFunction(FILE *OutputFile, const __llvm_profile_data *Data) {
/* TODO: Requires libc: break requirement by writing directly to a buffer
* instead of a FILE stream.
*/
uint32_t I;
for (I = 0; I < Data->NameSize; ++I)
fputc(Data->Name[I], OutputFile);
fprintf(OutputFile, "\n%" PRIu64 "\n%u\n", Data->FuncHash, Data->NumCounters);
for (I = 0; I < Data->NumCounters; ++I)
fprintf(OutputFile, "%" PRIu64 "\n", Data->Counters[I]);
fprintf(OutputFile, "\n");
}
void __llvm_profile_write_buffer(FILE *OutputFile) {
/* TODO: Requires libc: break requirement by taking a char* buffer instead of
* a FILE stream.
*/
const __llvm_profile_data *I, *E;
for (I = __llvm_profile_data_begin(), E = __llvm_profile_data_end();
I != E; ++I)
writeFunction(OutputFile, I);
}
void __llvm_profile_reset_counters(void) {
uint64_t *I = __llvm_profile_counters_begin();
uint64_t *E = __llvm_profile_counters_end();
memset(I, 0, sizeof(uint64_t)*(E - I));
}
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