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[llvm-readobj] Accept -S as an alias for --sections

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In GNU readelf, the short option for --sections is upper-case -S.

Note that GNU uses lower-case -s to mean --symbols, while LLVM
uses -s to mean --sections and -t to mean --symbols (-t has yet a
different meaning in GNU). So command-line uses with -S can now
be compatible, but uses with -s or -t are still incompatible.

Patch by Roland McGrath

Differential Revision: https://reviews.llvm.org/D33872

llvm-svn: 308392
This commit is contained in:
Petr Hosek 2017-07-18 23:35:22 +00:00
parent f510c4f89f
commit ef25350bba
2 changed files with 6 additions and 2 deletions
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2
test/tools/llvm-readobj/gnu-sections.test
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@ -1,6 +1,6 @@
RUN: llvm-readobj -s %p/Inputs/relocs.obj.elf-i386 --elf-output-style=GNU \
RUN: | FileCheck %s -check-prefix ELF32
RUN: llvm-readobj -s %p/Inputs/relocs.obj.elf-x86_64 --elf-output-style=GNU \
RUN: llvm-readobj -S %p/Inputs/relocs.obj.elf-x86_64 --elf-output-style=GNU \
RUN: | FileCheck %s -check-prefix ELF64
ELF32: Section Headers:

6
tools/llvm-readobj/llvm-readobj.cpp
View File

@ -57,12 +57,16 @@ namespace opts {
cl::desc("Alias for --file-headers"),
cl::aliasopt(FileHeaders));
// -sections, -s
// -sections, -s, -S
// Note: In GNU readelf, -s means --symbols!
cl::opt<bool> Sections("sections",
cl::desc("Display all sections."));
cl::alias SectionsShort("s",
cl::desc("Alias for --sections"),
cl::aliasopt(Sections));
cl::alias SectionsShortUpper("S",
cl::desc("Alias for --sections"),
cl::aliasopt(Sections));
// -section-relocations, -sr
cl::opt<bool> SectionRelocations("section-relocations",