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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.

llvm-svn: 209158
This commit is contained in:
Kevin Enderby 2014-05-19 20:36:02 +00:00
parent 7f26fa6715
commit 403258f5a3
3 changed files with 27 additions and 6 deletions
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18
llvm/lib/Object/MachOObjectFile.cpp
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@ -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;
}

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llvm/test/Object/Inputs/macho-text-data-bss.macho-x86_64 Normal file
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15
llvm/test/Object/size-trivial-macho.test Normal file
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@ -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