Commit Graph

4 Commits

Author SHA1 Message Date
Jordan Rupprecht ab9f662651 [llvm-objcopy] Fix use-after-move clang-tidy warning
llvm-svn: 345079
2018-10-23 20:54:51 +00:00
Jordan Rupprecht aaeaa0a8b3 [llvm-strip] Support -s alias for --strip-all. Make both strip and objcopy case sensitive to support both -s (--strip-all) and -S (--strip-debug).
Summary:
GNU strip supports both `-s` and `-S` as aliases for `--strip-all` and `--strip-debug`, respectfully.

As part of this, it turns out that strip/objcopy were accepting case insensitive command line args. I'm not sure if there was an explicit reason for this. The only others uses of this are llvm-cvtres/llvm-mt/llvm-lib, which are all tools specific for windows support. Forcing case sensitivity allows both aliases to exist, but seems like a good idea anyway.

And as a surprise test case adjustment, the llvm-strip unit test was running with `-keep=unavailable_symbol`, despite `keep` not be a valid flag for strip. This is because there is a flag `-K` which, when case insensitivity is permitted, allows it to be interpreted as `-K` = `eep=unavailable_symbol` (e.g. to allow `-Kfoo` == `--keep-symbol=foo`).

Reviewers: jakehehrlich, jhenderson, alexshap

Reviewed By: jakehehrlich

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D53163

llvm-svn: 345068
2018-10-23 18:46:33 +00:00
Jordan Rupprecht bb4588e9c1 [llvm-objcopy] Add -F|--target compatibility
Summary:
This change adds support for the GNU --target flag, which sets both --input-target and --output-target.

GNU objcopy doesn't do any checking for whether both --target and --{input,output}-target are used, and so it allows both, e.g. "--target A --output-target B" is equivalent to "--input-target A --output-target B" since the later command line flag would override earlier ones. This may be error prone, so I chose to implement it as an error if both are used. I'm not sure if anyone is actually using both.

Reviewers: jakehehrlich, jhenderson, alexshap

Reviewed By: jakehehrlich, alexshap

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D53029

llvm-svn: 344321
2018-10-12 00:36:01 +00:00
Alexander Shaposhnikov 8d0b74c940 [llvm-objcopy] Factor out CopyConfig
In this diff we move out CopyConfig from llvm-oobjcopy.cpp into a separate header CopyConfig.h
to enable us (in the future) reuse this class in the other implementations of objcopy (for coff, mach-o).
Additionally this enables us to unload the complexity from llvm-objcopy.cpp a little bit.

Test plan: make check-all

Differential revision: https://reviews.llvm.org/D53006

llvm-svn: 344307
2018-10-11 22:33:50 +00:00