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author | Kevin Enderby <enderby@apple.com> | 2014-05-19 20:36:02 +0000 |
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committer | Kevin Enderby <enderby@apple.com> | 2014-05-19 20:36:02 +0000 |
commit | 86ad7b70cb994a9ebde84053026e560a37061ce9 (patch) | |
tree | 050f6c4d352f7dde4f1b7e8d2e4d1cdc936a361f | |
parent | ca162faee2e8f9e9f8938b164a0e959307194baa (diff) | |
download | llvm-86ad7b70cb994a9ebde84053026e560a37061ce9.tar.gz llvm-86ad7b70cb994a9ebde84053026e560a37061ce9.tar.bz2 llvm-86ad7b70cb994a9ebde84053026e560a37061ce9.tar.xz |
Implement MachOObjectFile::isSectionData() and MachOObjectFile::isSectionBSS
so that llvm-size will total up all the sections in the Berkeley format. This
allows for rough categorizations for Mach-O sections. And allows the total of
llvm-size’s Berkeley and System V formats to be the same.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209158 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Object/MachOObjectFile.cpp | 18 | ||||
-rw-r--r-- | test/Object/Inputs/macho-text-data-bss.macho-x86_64 | bin | 0 -> 844 bytes | |||
-rw-r--r-- | test/Object/size-trivial-macho.test | 15 |
3 files changed, 27 insertions, 6 deletions
diff --git a/lib/Object/MachOObjectFile.cpp b/lib/Object/MachOObjectFile.cpp index fa95eca669..0951460ccb 100644 --- a/lib/Object/MachOObjectFile.cpp +++ b/lib/Object/MachOObjectFile.cpp @@ -686,15 +686,21 @@ MachOObjectFile::isSectionText(DataRefImpl Sec, bool &Res) const { return object_error::success; } -error_code MachOObjectFile::isSectionData(DataRefImpl DRI, bool &Result) const { - // FIXME: Unimplemented. - Result = false; +error_code MachOObjectFile::isSectionData(DataRefImpl Sec, bool &Result) const { + uint32_t Flags = getSectionFlags(this, Sec); + unsigned SectionType = Flags & MachO::SECTION_TYPE; + Result = !(Flags & MachO::S_ATTR_PURE_INSTRUCTIONS) && + !(SectionType == MachO::S_ZEROFILL || + SectionType == MachO::S_GB_ZEROFILL); return object_error::success; } -error_code MachOObjectFile::isSectionBSS(DataRefImpl DRI, bool &Result) const { - // FIXME: Unimplemented. - Result = false; +error_code MachOObjectFile::isSectionBSS(DataRefImpl Sec, bool &Result) const { + uint32_t Flags = getSectionFlags(this, Sec); + unsigned SectionType = Flags & MachO::SECTION_TYPE; + Result = !(Flags & MachO::S_ATTR_PURE_INSTRUCTIONS) && + (SectionType == MachO::S_ZEROFILL || + SectionType == MachO::S_GB_ZEROFILL); return object_error::success; } diff --git a/test/Object/Inputs/macho-text-data-bss.macho-x86_64 b/test/Object/Inputs/macho-text-data-bss.macho-x86_64 Binary files differnew file mode 100644 index 0000000000..b7628c8379 --- /dev/null +++ b/test/Object/Inputs/macho-text-data-bss.macho-x86_64 diff --git a/test/Object/size-trivial-macho.test b/test/Object/size-trivial-macho.test new file mode 100644 index 0000000000..6ecdf5c2a8 --- /dev/null +++ b/test/Object/size-trivial-macho.test @@ -0,0 +1,15 @@ +RUN: llvm-size -A %p/Inputs/macho-text-data-bss.macho-x86_64 \ +RUN: | FileCheck %s -check-prefix A +RUN: llvm-size -B %p/Inputs/macho-text-data-bss.macho-x86_64 \ +RUN: | FileCheck %s -check-prefix B + +A: section size addr +A: __text 12 0 +A: __data 4 12 +A: __bss 4 112 +A: __compact_unwind 32 16 +A: __eh_frame 64 48 +A: Total 116 + +B: text data bss dec hex filename +B: 12 100 4 116 74 |