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* [ADT] Make Twine's copy constructor private.Zachary Turner2017-10-111-1/+1
| | | | | | | | | | | | | | | | | There's a lot of misuse of Twine scattered around LLVM. This ranges in severity from benign (returning a Twine from a function by value that is just a string literal) to pretty sketchy (storing a Twine by value in a class). While there are some uses for copying Twines, most of the very compelling ones are confined to the Twine class implementation itself, and other uses are either dubious or easily worked around. This patch makes Twine's copy constructor private, and fixes up all callsites. Differential Revision: https://reviews.llvm.org/D38767 llvm-svn: 315530
* Reland "[llvm-objcopy] Add support for --strip-sections to remove all ↵Jake Ehrlich2017-10-111-3/+19
| | | | | | | | | | | | | | | | | | | | | section headers leaving only program headers and loadable segment data" ubsan caught an issue I made where I was converting a null pointer to a reference. elf utils implements a particularly extreme form of stripping that I'd like to support. eu-strip has an option called "strip-sections" that removes all section headers and leaves only program headers and the segment data. I have implemented this option partly as a test but mainly because in Fuchsia we would like to use this option to minimize the size of our executables. The other strip options that are on my list include --strip-all and --strip-debug. This is a preliminary implementation that I'd like to start using in Fuchsia builds if possible. This change implements such a stripping option for llvm-objcopy Differential Revision: https://reviews.llvm.org/D38335 llvm-svn: 315484
* Revert "[llvm-objcopy] Add support for --strip-sections to remove all ↵Jake Ehrlich2017-10-111-19/+3
| | | | | | | | section headers leaving only program headers and loadable segment data" This reverts commit rL315412 llvm-svn: 315417
* [llvm-objcopy] Add support for --strip-sections to remove all section ↵Jake Ehrlich2017-10-111-3/+19
| | | | | | | | | | | | | | | | | | headers leaving only program headers and loadable segment data elf utils implements a particularly extreme form of stripping that I'd like to support. eu-strip has an option called "strip-sections" that removes all section headers and leaves only program headers and the segment data. I have implemented this option partly as a test but mainly because in Fuchsia we would like to use this option to minimize the size of our executables. The other strip options that are on my list include --strip-all and --strip-debug. This is a preliminary implementation that I'd like to start using in Fuchsia builds if possible. This change implements such a stripping option for llvm-objcopy Differential Revision: https://reviews.llvm.org/D38335 llvm-svn: 315412
* [llvm-objcopy] Add ability to remove multiple sections by nameJake Ehrlich2017-10-101-6/+9
| | | | | | | | | This change adds the ability to use the "-R"/"-remove-section" option multiple times. Differential Revision: https://reviews.llvm.org/D38332 llvm-svn: 315385
* [llvm-objcopy] Add support for removing sectionsJake Ehrlich2017-10-101-1/+8
| | | | | | | | | | | This change adds support for removing sections using the -R field (as GNU objcopy does as well). This change should let us add many helpful tests and is a proper stepping stone for adding more general kinds of stripping. Differential Revision: https://reviews.llvm.org/D38260 llvm-svn: 315346
* Revert "temporary"Jake Ehrlich2017-10-101-8/+1
| | | | | | | | | I forgot to add a proper commit message. I'm reverting this to fix that. This reverts commit r315344. llvm-svn: 315345
* temporaryJake Ehrlich2017-10-101-1/+8
| | | | llvm-svn: 315344
* Reland "[llvm][llvm-objcopy] Added support for outputting to binary in ↵Petr Hosek2017-08-041-4/+14
| | | | | | | | | | | | | | | | llvm-objcopy" This change adds the "-O binary" flag which directs llvm-objcopy to output the object file to the same format as GNU objcopy does when given the flag "-O binary". This was done by splitting the Object class into two subclasses ObjectELF and ObjectBianry which each output a different format but relay on the same code to read in the Object in Object. Patch by Jake Ehrlich Differential Revision: https://reviews.llvm.org/D34480 llvm-svn: 310127
* Revert "[llvm][llvm-objcopy] Added support for outputting to binary in ↵Petr Hosek2017-08-041-14/+4
| | | | | | | | | | llvm-objcopy" This breaks the build on clang-s390x-linux. This reverts commit r310018. llvm-svn: 310026
* Reland "[llvm][llvm-objcopy] Added support for outputting to binary in ↵Petr Hosek2017-08-041-4/+14
| | | | | | | | | | | | | | | | llvm-objcopy" This change adds the "-O binary" flag which directs llvm-objcopy to output the object file to the same format as GNU objcopy does when given the flag "-O binary". This was done by splitting the Object class into two subclasses ObjectELF and ObjectBianry which each output a different format but relay on the same code to read in the Object in Object. Patch by Jake Ehrlich Differential Revision: https://reviews.llvm.org/D34480 llvm-svn: 310018
* Revert "Reland "[llvm][llvm-objcopy] Added support for outputting to binary ↵Petr Hosek2017-08-021-14/+4
| | | | | | | | | | in llvm-objcopy"" This is failing to compile on 32-bit ARM bots. This reverts commit r309768. llvm-svn: 309771
* Reland "[llvm][llvm-objcopy] Added support for outputting to binary in ↵Petr Hosek2017-08-011-4/+14
| | | | | | | | | | | | | | | | llvm-objcopy" This change adds the "-O binary" flag which directs llvm-objcopy to output the object file to the same format as GNU objcopy does when given the flag "-O binary". This was done by splitting the Object class into two subclasses ObjectELF and ObjectBianry which each output a different format but relay on the same code to read in the Object in Object. Patch by Jake Ehrlich Differential Revision: https://reviews.llvm.org/D34480 llvm-svn: 309768
* Revert "[llvm][llvm-objcopy] Added support for outputting to binary in ↵Petr Hosek2017-08-011-14/+4
| | | | | | | | | | | llvm-objcopy" The change seems to be failing on bots which are using gcc and bfd.ld as a host compiler and linker. This reverts commit r309658. llvm-svn: 309660
* [llvm][llvm-objcopy] Added support for outputting to binary in llvm-objcopyPetr Hosek2017-08-011-4/+14
| | | | | | | | | | | | | | This change adds the "-O binary" flag which directs llvm-objcopy to output the object file to the same format as GNU objcopy does when given the flag "-O binary". This was done by splitting the Object class into two subclasses ObjectELF and ObjectBianry which each output a different format but relay on the same code to read in the Object in Object. Patch by Jake Ehrlich Differential Revision: https://reviews.llvm.org/D34480 llvm-svn: 309658
* Reland "[LLVM][llvm-objcopy] Added basic plumbing to get things started"Petr Hosek2017-08-011-0/+96
| | | | | | | | | | | | | | | As discussed on llvm-dev I've implemented the first basic steps towards llvm-objcopy/llvm-objtool (name pending). This change adds the ability to copy (without modification) 64-bit little endian ELF executables that have SHT_PROGBITS, SHT_NOBITS, SHT_NULL and SHT_STRTAB sections. Patch by Jake Ehrlich Differential Revision: https://reviews.llvm.org/D33964 llvm-svn: 309643
* Revert "Reland "[LLVM][llvm-objcopy] Added basic plumbing to get things ↵Petr Hosek2017-07-271-99/+0
| | | | | | | | | | started"" This change is failing tests on Windows bots due to permissions. This reverts commit r309249. llvm-svn: 309251
* Reland "[LLVM][llvm-objcopy] Added basic plumbing to get things started"Petr Hosek2017-07-271-0/+99
| | | | | | | | | | | | | | | As discussed on llvm-dev I've implemented the first basic steps towards llvm-objcopy/llvm-objtool (name pending). This change adds the ability to copy (without modification) 64-bit little endian ELF executables that have SHT_PROGBITS, SHT_NOBITS, SHT_NULL and SHT_STRTAB sections. Patch by Jake Ehrlich Differential Revision: https://reviews.llvm.org/D33964 llvm-svn: 309249
* Revert "Reland "[LLVM][llvm-objcopy] Added basic plumbing to get things ↵Petr Hosek2017-07-251-99/+0
| | | | | | | | started"" This reverts commit 960873b10dd071298c817ba74ef2228f94ead7a1. llvm-svn: 309037
* Reland "[LLVM][llvm-objcopy] Added basic plumbing to get things started"Petr Hosek2017-07-251-0/+99
| | | | | | | | | | | | | | | As discussed on llvm-dev I've implemented the first basic steps towards llvm-objcopy/llvm-objtool (name pending). This change adds the ability to copy (without modification) 64-bit little endian ELF executables that have SHT_PROGBITS, SHT_NOBITS, SHT_NULL and SHT_STRTAB sections. Patch by Jake Ehrlich Differential Revision: https://reviews.llvm.org/D33964 llvm-svn: 309032
* Revert "Reland "[LLVM][llvm-objcopy] Added basic plumbing to get things ↵Petr Hosek2017-07-221-99/+0
| | | | | | | | started"" This reverts commit 2b52298eb28ba4d3eca113353a348c02a6ef1f93. llvm-svn: 308822
* Reland "[LLVM][llvm-objcopy] Added basic plumbing to get things started"Petr Hosek2017-07-221-0/+99
| | | | | | | | | | | | | | | As discussed on llvm-dev I've implemented the first basic steps towards llvm-objcopy/llvm-objtool (name pending). This change adds the ability to copy (without modification) 64-bit little endian ELF executables that have SHT_PROGBITS, SHT_NOBITS, SHT_NULL and SHT_STRTAB sections. Patch by Jake Ehrlich Differential Revision: https://reviews.llvm.org/D33964 llvm-svn: 308821
* Revert "[LLVM][llvm-objcopy] Added basic plumbing to get things started"Petr Hosek2017-07-211-99/+0
| | | | | | This reverts commit 2f423248e140b94b8377660d4d2fe9364f30febe. llvm-svn: 308806
* Reland "[LLVM][llvm-objcopy] Added basic plumbing to get things started"Petr Hosek2017-07-211-0/+99
| | | | | | | | | | | | | | | As discussed on llvm-dev I've implemented the first basic steps towards llvm-objcopy/llvm-objtool (name pending). This change adds the ability to copy (without modification) 64-bit little endian ELF executables that have SHT_PROGBITS, SHT_NOBITS, SHT_NULL and SHT_STRTAB sections. Patch by Jake Ehrlich Differential Revision: https://reviews.llvm.org/D33964 llvm-svn: 308803
* Revert "[LLVM][llvm-objcopy] Added basic plumbing to get things started"Petr Hosek2017-07-201-99/+0
| | | | | | This reverts commit 98f9792e7ca5bbd9eb43bda72bf497957cfb6eb8. llvm-svn: 308569
* [LLVM][llvm-objcopy] Added basic plumbing to get things startedPetr Hosek2017-07-191-0/+99
As discussed on llvm-dev I've implemented the first basic steps towards llvm-objcopy/llvm-objtool (name pending). This change adds the ability to copy (without modification) 64-bit little endian ELF executables that have SHT_PROGBITS, SHT_NOBITS, SHT_NULL and SHT_STRTAB sections. Patch by Jake Ehrlich Differential Revision: https://reviews.llvm.org/D33964 llvm-svn: 308559
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