You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
3.5 KiB
101 lines
3.5 KiB
/*===- InstrProfilingPlatformOther.c - Profile data default platform ------===*\
|
|
|*
|
|
|* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
|* See https://llvm.org/LICENSE.txt for license information.
|
|
|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|*
|
|
\*===----------------------------------------------------------------------===*/
|
|
|
|
#if !defined(__APPLE__) && !defined(__linux__) && !defined(__FreeBSD__) && \
|
|
!(defined(__sun__) && defined(__svr4__)) && !defined(__NetBSD__) && \
|
|
!defined(_WIN32)
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
#include "InstrProfiling.h"
|
|
|
|
static const __llvm_profile_data *DataFirst = NULL;
|
|
static const __llvm_profile_data *DataLast = NULL;
|
|
static const char *NamesFirst = NULL;
|
|
static const char *NamesLast = NULL;
|
|
static uint64_t *CountersFirst = NULL;
|
|
static uint64_t *CountersLast = NULL;
|
|
static uint32_t *OrderFileFirst = NULL;
|
|
|
|
static const void *getMinAddr(const void *A1, const void *A2) {
|
|
return A1 < A2 ? A1 : A2;
|
|
}
|
|
|
|
static const void *getMaxAddr(const void *A1, const void *A2) {
|
|
return A1 > A2 ? A1 : A2;
|
|
}
|
|
|
|
/*!
|
|
* \brief Register an instrumented function.
|
|
*
|
|
* Calls to this are emitted by clang with -fprofile-instr-generate. Such
|
|
* calls are only required (and only emitted) on targets where we haven't
|
|
* implemented linker magic to find the bounds of the sections.
|
|
*/
|
|
COMPILER_RT_VISIBILITY
|
|
void __llvm_profile_register_function(void *Data_) {
|
|
/* TODO: Only emit this function if we can't use linker magic. */
|
|
const __llvm_profile_data *Data = (__llvm_profile_data *)Data_;
|
|
if (!DataFirst) {
|
|
DataFirst = Data;
|
|
DataLast = Data + 1;
|
|
CountersFirst = Data->CounterPtr;
|
|
CountersLast = (uint64_t *)Data->CounterPtr + Data->NumCounters;
|
|
return;
|
|
}
|
|
|
|
DataFirst = (const __llvm_profile_data *)getMinAddr(DataFirst, Data);
|
|
CountersFirst = (uint64_t *)getMinAddr(CountersFirst, Data->CounterPtr);
|
|
|
|
DataLast = (const __llvm_profile_data *)getMaxAddr(DataLast, Data + 1);
|
|
CountersLast = (uint64_t *)getMaxAddr(
|
|
CountersLast, (uint64_t *)Data->CounterPtr + Data->NumCounters);
|
|
}
|
|
|
|
COMPILER_RT_VISIBILITY
|
|
void __llvm_profile_register_names_function(void *NamesStart,
|
|
uint64_t NamesSize) {
|
|
if (!NamesFirst) {
|
|
NamesFirst = (const char *)NamesStart;
|
|
NamesLast = (const char *)NamesStart + NamesSize;
|
|
return;
|
|
}
|
|
NamesFirst = (const char *)getMinAddr(NamesFirst, NamesStart);
|
|
NamesLast =
|
|
(const char *)getMaxAddr(NamesLast, (const char *)NamesStart + NamesSize);
|
|
}
|
|
|
|
COMPILER_RT_VISIBILITY
|
|
const __llvm_profile_data *__llvm_profile_begin_data(void) { return DataFirst; }
|
|
COMPILER_RT_VISIBILITY
|
|
const __llvm_profile_data *__llvm_profile_end_data(void) { return DataLast; }
|
|
COMPILER_RT_VISIBILITY
|
|
const char *__llvm_profile_begin_names(void) { return NamesFirst; }
|
|
COMPILER_RT_VISIBILITY
|
|
const char *__llvm_profile_end_names(void) { return NamesLast; }
|
|
COMPILER_RT_VISIBILITY
|
|
uint64_t *__llvm_profile_begin_counters(void) { return CountersFirst; }
|
|
COMPILER_RT_VISIBILITY
|
|
uint64_t *__llvm_profile_end_counters(void) { return CountersLast; }
|
|
/* TODO: correctly set up OrderFileFirst. */
|
|
COMPILER_RT_VISIBILITY
|
|
uint32_t *__llvm_profile_begin_orderfile(void) { return OrderFileFirst; }
|
|
|
|
COMPILER_RT_VISIBILITY
|
|
ValueProfNode *__llvm_profile_begin_vnodes(void) {
|
|
return 0;
|
|
}
|
|
COMPILER_RT_VISIBILITY
|
|
ValueProfNode *__llvm_profile_end_vnodes(void) { return 0; }
|
|
|
|
COMPILER_RT_VISIBILITY ValueProfNode *CurrentVNode = 0;
|
|
COMPILER_RT_VISIBILITY ValueProfNode *EndVNode = 0;
|
|
|
|
#endif
|