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author | Jordan Rupprecht <rupprecht@google.com> | 2019-05-14 21:58:59 +0000 |
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committer | Jordan Rupprecht <rupprecht@google.com> | 2019-05-14 21:58:59 +0000 |
commit | b6bc976d7be8ee56d3be4b6dbd2f3ab0a4021c86 (patch) | |
tree | f5ed5db8cb5d237a073ea00c4d4cd63153a16a6c /lib/profile/InstrProfilingPlatformWindows.c | |
parent | 05342ccc9cff16425c0a831fddd510879544a0bf (diff) | |
parent | 098ca93185735ec3687106d0967a70fc99a85059 (diff) | |
download | compiler-rt-google/stable.tar.gz |
Creating branches/google/stable and tags/google/stable/2019-05-14 from r360103google/stable
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/google/stable@360714 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/profile/InstrProfilingPlatformWindows.c')
-rw-r--r-- | lib/profile/InstrProfilingPlatformWindows.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/lib/profile/InstrProfilingPlatformWindows.c b/lib/profile/InstrProfilingPlatformWindows.c new file mode 100644 index 000000000..81b708bb2 --- /dev/null +++ b/lib/profile/InstrProfilingPlatformWindows.c @@ -0,0 +1,68 @@ +/*===- InstrProfilingPlatformWindows.c - Profile data on Windows ----------===*\ +|* +|* 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 +|* +\*===----------------------------------------------------------------------===*/ + +#include "InstrProfiling.h" + +#if defined(_WIN32) + +#if defined(_MSC_VER) +/* Merge read-write sections into .data. */ +#pragma comment(linker, "/MERGE:.lprfc=.data") +#pragma comment(linker, "/MERGE:.lprfd=.data") +#pragma comment(linker, "/MERGE:.lprfv=.data") +#pragma comment(linker, "/MERGE:.lprfnd=.data") +/* Do *NOT* merge .lprfn and .lcovmap into .rdata. llvm-cov must be able to find + * after the fact. + */ + +/* Allocate read-only section bounds. */ +#pragma section(".lprfn$A", read) +#pragma section(".lprfn$Z", read) + +/* Allocate read-write section bounds. */ +#pragma section(".lprfd$A", read, write) +#pragma section(".lprfd$Z", read, write) +#pragma section(".lprfc$A", read, write) +#pragma section(".lprfc$Z", read, write) +#pragma section(".lorderfile$A", read, write) +#pragma section(".lprfnd$A", read, write) +#pragma section(".lprfnd$Z", read, write) +#endif + +__llvm_profile_data COMPILER_RT_SECTION(".lprfd$A") DataStart = {0}; +__llvm_profile_data COMPILER_RT_SECTION(".lprfd$Z") DataEnd = {0}; + +const char COMPILER_RT_SECTION(".lprfn$A") NamesStart = '\0'; +const char COMPILER_RT_SECTION(".lprfn$Z") NamesEnd = '\0'; + +uint64_t COMPILER_RT_SECTION(".lprfc$A") CountersStart; +uint64_t COMPILER_RT_SECTION(".lprfc$Z") CountersEnd; +uint32_t COMPILER_RT_SECTION(".lorderfile$A") OrderFileStart; + +ValueProfNode COMPILER_RT_SECTION(".lprfnd$A") VNodesStart; +ValueProfNode COMPILER_RT_SECTION(".lprfnd$Z") VNodesEnd; + +const __llvm_profile_data *__llvm_profile_begin_data(void) { + return &DataStart + 1; +} +const __llvm_profile_data *__llvm_profile_end_data(void) { return &DataEnd; } + +const char *__llvm_profile_begin_names(void) { return &NamesStart + 1; } +const char *__llvm_profile_end_names(void) { return &NamesEnd; } + +uint64_t *__llvm_profile_begin_counters(void) { return &CountersStart + 1; } +uint64_t *__llvm_profile_end_counters(void) { return &CountersEnd; } +uint32_t *__llvm_profile_begin_orderfile(void) { return &OrderFileStart; } + +ValueProfNode *__llvm_profile_begin_vnodes(void) { return &VNodesStart + 1; } +ValueProfNode *__llvm_profile_end_vnodes(void) { return &VNodesEnd; } + +ValueProfNode *CurrentVNode = &VNodesStart + 1; +ValueProfNode *EndVNode = &VNodesEnd; + +#endif |