LLVM_LIBRARY_VISIBILITY
uint64_t __llvm_profile_get_size_for_buffer_internal(
const __llvm_profile_data *DataBegin, const __llvm_profile_data *DataEnd,
const uint64_t *CountersBegin, const uint64_t *CountersEnd,
const char *NamesBegin, const char *NamesEnd) {
/* Match logic in __llvm_profile_write_buffer(). */
const uint64_t NamesSize = PROFILE_RANGE_SIZE(Names) * sizeof(char);
const uint8_t Padding = __llvm_profile_get_num_padding_bytes(NamesSize);
return sizeof(__llvm_profile_header) +
PROFILE_RANGE_SIZE(Data) * sizeof(__llvm_profile_data) +
PROFILE_RANGE_SIZE(Counters) * sizeof(uint64_t) + NamesSize + Padding;
}
COMPILER_RT_VISIBILITY
uint64_t __llvm_profile_get_size_for_buffer_internal(
const __llvm_profile_data *DataBegin, const __llvm_profile_data *DataEnd,
const uint64_t *CountersBegin, const uint64_t *CountersEnd,
const char *NamesBegin, const char *NamesEnd) {
/* Match logic in __llvm_profile_write_buffer(). */
const uint64_t NamesSize = (NamesEnd - NamesBegin) * sizeof(char);
const uint8_t Padding = __llvm_profile_get_num_padding_bytes(NamesSize);
return sizeof(__llvm_profile_header) +
(__llvm_profile_get_data_size(DataBegin, DataEnd) *
sizeof(__llvm_profile_data)) +
(CountersEnd - CountersBegin) * sizeof(uint64_t) + NamesSize + Padding;
}
COMPILER_RT_VISIBILITY
void __llvm_profile_merge_from_buffer(const char *ProfileData,
uint64_t ProfileSize) {
__llvm_profile_data *SrcDataStart, *SrcDataEnd, *SrcData, *DstData;
__llvm_profile_header *Header = (__llvm_profile_header *)ProfileData;
uint64_t *SrcCountersStart;
const char *SrcNameStart;
ValueProfData *SrcValueProfDataStart, *SrcValueProfData;
SrcDataStart =
(__llvm_profile_data *)(ProfileData + sizeof(__llvm_profile_header));
SrcDataEnd = SrcDataStart + Header->DataSize;
SrcCountersStart = (uint64_t *)SrcDataEnd;
SrcNameStart = (const char *)(SrcCountersStart + Header->CountersSize);
SrcValueProfDataStart =
(ValueProfData *)(SrcNameStart + Header->NamesSize +
__llvm_profile_get_num_padding_bytes(
Header->NamesSize));
for (SrcData = SrcDataStart,
DstData = (__llvm_profile_data *)__llvm_profile_begin_data(),
SrcValueProfData = SrcValueProfDataStart;
SrcData < SrcDataEnd; ++SrcData, ++DstData) {
uint64_t *SrcCounters;
uint64_t *DstCounters = (uint64_t *)DstData->CounterPtr;
unsigned I, NC, NVK = 0;
NC = SrcData->NumCounters;
SrcCounters = SrcCountersStart +
((size_t)SrcData->CounterPtr - Header->CountersDelta) /
sizeof(uint64_t);
for (I = 0; I < NC; I++)
DstCounters[I] += SrcCounters[I];
/* Now merge value profile data. */
if (!VPMergeHook)
continue;
for (I = 0; I <= IPVK_Last; I++)
NVK += (SrcData->NumValueSites[I] != 0);
if (!NVK)
continue;
VPMergeHook(SrcValueProfData, DstData);
SrcValueProfData = (ValueProfData *)((char *)SrcValueProfData +
SrcValueProfData->TotalSize);
}
}
LLVM_LIBRARY_VISIBILITY int llvmWriteProfDataImpl(
WriterCallback Writer, void *WriterCtx,
const __llvm_profile_data *DataBegin, const __llvm_profile_data *DataEnd,
const uint64_t *CountersBegin, const uint64_t *CountersEnd,
const uint8_t *ValueDataBegin, const uint64_t ValueDataSize,
const char *NamesBegin, const char *NamesEnd) {
/* Calculate size of sections. */
const uint64_t DataSize = DataEnd - DataBegin;
const uint64_t CountersSize = CountersEnd - CountersBegin;
const uint64_t NamesSize = NamesEnd - NamesBegin;
const uint64_t Padding = __llvm_profile_get_num_padding_bytes(NamesSize);
/* Enough zeroes for padding. */
const char Zeroes[sizeof(uint64_t)] = {0};
/* Create the header. */
__llvm_profile_header Header;
if (!DataSize)
return 0;
/* Initialize header struture. */
#define INSTR_PROF_RAW_HEADER(Type, Name, Init) Header.Name = Init;
#include "InstrProfData.inc"
/* Write the data. */
ProfDataIOVec IOVec[] = {
{&Header, sizeof(__llvm_profile_header), 1},
{DataBegin, sizeof(__llvm_profile_data), DataSize},
{CountersBegin, sizeof(uint64_t), CountersSize},
{NamesBegin, sizeof(char), NamesSize},
{Zeroes, sizeof(char), Padding}};
if (Writer(IOVec, sizeof(IOVec) / sizeof(ProfDataIOVec), &WriterCtx))
return -1;
if (ValueDataBegin) {
ProfDataIOVec IOVec[1] = {{ValueDataBegin, sizeof(char), ValueDataSize}};
if (Writer(IOVec, 1, &WriterCtx))
return -1;
}
return 0;
}
COMPILER_RT_VISIBILITY int
lprofWriteDataImpl(WriterCallback Writer, void *WriterCtx,
const __llvm_profile_data *DataBegin,
const __llvm_profile_data *DataEnd,
const uint64_t *CountersBegin, const uint64_t *CountersEnd,
VPDataReaderType *VPDataReader, const char *NamesBegin,
const char *NamesEnd) {
/* Calculate size of sections. */
const uint64_t DataSize = __llvm_profile_get_data_size(DataBegin, DataEnd);
const uint64_t CountersSize = CountersEnd - CountersBegin;
const uint64_t NamesSize = NamesEnd - NamesBegin;
const uint64_t Padding = __llvm_profile_get_num_padding_bytes(NamesSize);
/* Enough zeroes for padding. */
const char Zeroes[sizeof(uint64_t)] = {0};
/* Create the header. */
__llvm_profile_header Header;
if (!DataSize)
return 0;
/* Initialize header structure. */
#define INSTR_PROF_RAW_HEADER(Type, Name, Init) Header.Name = Init;
#include "InstrProfData.inc"
/* Write the data. */
ProfDataIOVec IOVec[] = {{&Header, sizeof(__llvm_profile_header), 1},
{DataBegin, sizeof(__llvm_profile_data), DataSize},
{CountersBegin, sizeof(uint64_t), CountersSize},
{NamesBegin, sizeof(uint8_t), NamesSize},
{Zeroes, sizeof(uint8_t), Padding}};
if (Writer(IOVec, sizeof(IOVec) / sizeof(*IOVec), &WriterCtx))
return -1;
return writeValueProfData(Writer, WriterCtx, VPDataReader, DataBegin,
DataEnd);
}
