diff options
author | nkozlovskiy <nmk@ydb.tech> | 2023-12-04 19:26:35 +0300 |
---|---|---|
committer | nkozlovskiy <nmk@ydb.tech> | 2023-12-05 05:25:43 +0300 |
commit | e62474f851635573f9f6631039e113a02fd50179 (patch) | |
tree | 597d4bc8aad74ef42c55fd062398e93eceebfee3 /contrib/libs/clang16-rt/lib/profile/InstrProfilingPlatformOther.c | |
parent | e7eddec34be4f360877b46ffa2b70fde8a3a5b8f (diff) | |
download | ydb-e62474f851635573f9f6631039e113a02fd50179.tar.gz |
ydb-oss sync: add clang16-rt/ to additionalPathsToCopy
Diffstat (limited to 'contrib/libs/clang16-rt/lib/profile/InstrProfilingPlatformOther.c')
-rw-r--r-- | contrib/libs/clang16-rt/lib/profile/InstrProfilingPlatformOther.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/contrib/libs/clang16-rt/lib/profile/InstrProfilingPlatformOther.c b/contrib/libs/clang16-rt/lib/profile/InstrProfilingPlatformOther.c new file mode 100644 index 0000000000..c7b6e842c9 --- /dev/null +++ b/contrib/libs/clang16-rt/lib/profile/InstrProfilingPlatformOther.c @@ -0,0 +1,109 @@ +/*===- 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(__Fuchsia__) && !(defined(__sun__) && defined(__svr4__)) && \ + !defined(__NetBSD__) && !defined(_WIN32) && !defined(_AIX) + +#include <stdlib.h> +#include <stdio.h> + +#include "InstrProfiling.h" +#include "InstrProfilingInternal.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 char *CountersFirst = NULL; +static char *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 = (char *)((uintptr_t)Data_ + Data->CounterPtr); + CountersLast = + CountersFirst + Data->NumCounters * __llvm_profile_counter_entry_size(); + return; + } + + DataFirst = (const __llvm_profile_data *)getMinAddr(DataFirst, Data); + CountersFirst = (char *)getMinAddr( + CountersFirst, (char *)((uintptr_t)Data_ + Data->CounterPtr)); + + DataLast = (const __llvm_profile_data *)getMaxAddr(DataLast, Data + 1); + CountersLast = (char *)getMaxAddr( + CountersLast, + (char *)((uintptr_t)Data_ + Data->CounterPtr) + + Data->NumCounters * __llvm_profile_counter_entry_size()); +} + +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 +char *__llvm_profile_begin_counters(void) { return CountersFirst; } +COMPILER_RT_VISIBILITY +char *__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; + +COMPILER_RT_VISIBILITY int __llvm_write_binary_ids(ProfDataWriter *Writer) { + return 0; +} + +#endif |