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* Split getOpenFile into getOpenFile and getOpenFileSlice.Rafael Espindola2013-07-23
| | | | | | | | | | | | | | | | The main observation is that we never need both the filesize and the map size. When mapping a slice of a file, it doesn't make sense to request a null terminator and that would be the only case where the filesize would be used. There are other cleanups that should be done in this area: * A client should not have to pass the size (even an explicit -1) to say if it wants a null terminator or not, so we should probably swap the argument order. * The default should be to not require a null terminator. Very few clients require this, but many end up asking for it just because it is the default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186984 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix use of the getOpenFile api.Rafael Espindola2013-07-23
| | | | | | | | | | | | | | | | The gold plugin was passing the desired map size as the file size. This was working for two reasons: * Recent version of gold provide the get_view callback, so this code was not used. * In older versions, getOpenFile was called, but the file size is never used if we don't require null terminated buffers and map size defaults to the file size. Thanks to Eli Bendersky for noticing this. I will try to make this api a bit less error prone. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186978 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the build in c++03 mode.Rafael Espindola2013-07-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186935 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an initial implementation of archive symbol table generation.Rafael Espindola2013-07-23
| | | | | | | | | | | The symbol table has forward references in the file. Instead of allocating a temporary buffer or counting the size and then writing, this implementation writes a dummy value first and patches it once the final value is known. There is room for performance improvement. I will implement them as soon as I get some other features (like a ranlib mode) in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186934 91177308-0d34-0410-b5e6-96231b3b80d8
* remove unnecessary spaceShuxin Yang2013-07-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186931 91177308-0d34-0410-b5e6-96231b3b80d8
* Recommit r186217 with testcase fix:Bill Wendling2013-07-22
| | | | | | | | | | | Use the function attributes to pass along the stack protector buffer size. Now that we have robust function attributes, don't use a command line option to specify the stack protecto buffer size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186863 91177308-0d34-0410-b5e6-96231b3b80d8
* Initialize/Register LTO passes to enable flags like -print-after=<lto-pass>Shuxin Yang2013-07-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | There already have two "dead" functions, initialize{IPO|IPA}, defined for similar purpose. I decide not to call these two functions for two reasons: o. they don't cover all LTO passes (which will soon be separated into IPO and post-IPO passes) o. We have not yet figured out the right passes and the ordering for IPO and post-IPO stages, meaning this change is only for the time being. Since LTO passes are registered, we are now able to print IR before and after particular point. For OSX users: -------------- "...-Wl,-mllvm -Wl,-print-after=<pass-name>" will print IR after the specified pass. For Other UNIX with GNU gold linker: ------------------------------------ "-Wl,-plugin-opt=-print-after=<pass-name>" should work. (NOTE: no need for "-Wl,-mllvm") Strip "-Wl," if flags are fed directly to linker instead of clang/clang++. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186853 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace archive members in the old position.Rafael Espindola2013-07-22
| | | | | | | | | | | | This matches gnu archive behavior and since archive member order can change which member is used, not changing the order on replacement looks like the right thing to do. This patch also refactors the logic for which archive member to keep and whether to move it to a helper function (computeInsertAction). The nesting in computeNewArchiveMembers was getting a bit confusing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186829 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle replacement into a position past the original member.Rafael Espindola2013-07-21
| | | | | | | We were incorrectly computing where to insert a member if it was replacing a previous member that was before the insert point. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186792 91177308-0d34-0410-b5e6-96231b3b80d8
* Retry submitting r186623: COFFDumper: Dump data directory entries.Rui Ueyama2013-07-19
| | | | | | | | The original change was rolled back in r186627 because of test failures on the big endian machine. I believe I fixed the issue so re-submitting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186734 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix inserting new elements in a specified location.Rafael Espindola2013-07-19
| | | | | | We were only handling the 'a' and 'b' options during moves before. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186721 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve llvm-mc disassembler mode and refactor ARM tests to use itTim Northover2013-07-19
| | | | | | | | | | | | | | | | | | This allows "llvm-mc -disassemble" to accept two new features: + Using comma as a byte separator + Grouping bytes with '[' and ']' pairs. The behaviour outside a [...] group is unchanged. But within the group once llvm-mc encounters a true error, it stops rather than trying to resynchronise the stream at the next byte. This is more useful for disassembly tests, where we have an almost-instruction in mind and don't care what the misaligned interpretation would be. Particularly if it means llvm-mc won't actually see the next intended almost-instruction. As a side effect, this means llvm-mc can disassemble its own -show-encoding output if copy-pasted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186661 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "COFFDumper: Dump data directory entries."Rui Ueyama2013-07-18
| | | | | | Because it broke s390x and ppc64-linux buildbots. This reverts commit r186623. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186627 91177308-0d34-0410-b5e6-96231b3b80d8
* COFFDumper: Dump data directory entries.Rui Ueyama2013-07-18
| | | | | | | | | | | | | | | | | Summary: Dump optional data directory entries in the PE/COFF header, so that we can test the output of LLD linker. This patch updates the test binary file, but the source of the binary is the same. I just re-linked the file. I don't know how the previous file was linked, but the previous file did not have any data directory entries for some reason. Reviewers: rafael CC: llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D1148 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186623 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-ar: doExtract(): Write extracted files with F_Binary. It should fix ↵NAKAMURA Takumi2013-07-17
| | | | | | llvm/test/Object/extract.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186503 91177308-0d34-0410-b5e6-96231b3b80d8
* LLVMSymbolize.cpp: Fix build. Triple::ArchType is not a namespace.NAKAMURA Takumi2013-07-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186494 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-symbolizer: be more careful with colons in file namesAlexey Samsonov2013-07-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186493 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a wrapper for open.Rafael Espindola2013-07-16
| | | | | | | This centralizes the handling of O_BINARY and opens the way for hiding more differences (like how open behaves with directories). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186447 91177308-0d34-0410-b5e6-96231b3b80d8
* On error, close the temporary file descriptor.Rafael Espindola2013-07-16
| | | | | | With this change llvm-ar can remove the temporary file on windows too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186423 91177308-0d34-0410-b5e6-96231b3b80d8
* Use open+fstat instead of stat+open.Rafael Espindola2013-07-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186381 91177308-0d34-0410-b5e6-96231b3b80d8
* Remember that we have a null terminated string.Rafael Espindola2013-07-16
| | | | | | | This is a micro optimization. Instead of going char*->StringRef->Twine->char*, go char*->Twine->char* and avoid having to copy the filename on the stack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186380 91177308-0d34-0410-b5e6-96231b3b80d8
* Try to open the file before use data from stat.Rafael Espindola2013-07-13
| | | | | | | Looks like on mingw we get bogus last modification times on directories. Should fix the mingw bots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186240 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused file. Thanks to Sean Silva for noticing it.Rafael Espindola2013-07-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186239 91177308-0d34-0410-b5e6-96231b3b80d8
* Add r186216 back, but make the test tolerant of different uids and gids.Rafael Espindola2013-07-13
| | | | | | | original message: Fix a off by one error about which members need to use the string table. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186238 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert commit r186217 -- this is breaking bots:Chandler Carruth2013-07-13
| | | | | | | | | | http://lab.llvm.org:8013/builders/clang-x86_64-darwin11-nobootstrap-RAincremental/builds/4328 Original commit log: Use the function attributes to pass along the stack protector buffer size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186234 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert commit r186216 -- it's breaking bots:Chandler Carruth2013-07-13
| | | | | | | | | | http://lab.llvm.org:8011/builders/clang-x86_64-debian-fast/builds/6897/steps/check-all/logs/LLVM%3A%3Aarchive-format.test Original commit log: Fix a off by one error about which members need to use the string table. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186232 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the function attributes to pass along the stack protector buffer size.Bill Wendling2013-07-12
| | | | | | | | Now that we have robust function attributes, don't use a command line option to specify the stack protecto buffer size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186217 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a off by one error about which members need to use the string table.Rafael Espindola2013-07-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186216 91177308-0d34-0410-b5e6-96231b3b80d8
* fix autoconf buildRafael Espindola2013-07-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186200 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the build with c++03.Rafael Espindola2013-07-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186198 91177308-0d34-0410-b5e6-96231b3b80d8
* Change llvm-ar to use lib/Object.Rafael Espindola2013-07-12
| | | | | | | | | | | | | | | | | | | | | | This fixes two bugs is lib/Object that the use in llvm-ar found: * In OS X created archives, the name can be padded with nulls. Strip them. * In the constructor, remember the first non special member and use that in begin_children. This makes sure we skip all special members, not just the first one. The change to llvm-ar itself consist of * Using lib/Object for reading archives instead of ArchiveReader.cpp. * Writing the modified archive directly, instead of creating an in memory representation. The old Archive library was way more general than what is needed, as can be seen by the diffstat of this patch. Having llvm-ar using lib/Object now opens the way for creating regular symbol tables for both native objects and bitcode files so that we can use those archives for LTO. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186197 91177308-0d34-0410-b5e6-96231b3b80d8
* Add static.Rafael Espindola2013-07-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186170 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-ar: Clean up memory management with OwningPtr.Benjamin Kramer2013-07-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186131 91177308-0d34-0410-b5e6-96231b3b80d8
* Use %llu to print a 64 bit number. Should fix the ARM bots.Rafael Espindola2013-07-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186113 91177308-0d34-0410-b5e6-96231b3b80d8
* InsertBefore is the same as AddBefore. Delete it.Rafael Espindola2013-07-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186094 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a FIXME about the format and add a test.Rafael Espindola2013-07-11
| | | | | | | While at it, use strftime on Unix too and use the thread safe versions of localtime. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186090 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the 'N' modifier from llvm-ar.Rafael Espindola2013-07-11
| | | | | | | | * It is not present on OS X. * It is untested. * It is not needed for using ar in a build system. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186080 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete dead code.Rafael Espindola2013-07-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186079 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove support for truncating names in archives.Rafael Espindola2013-07-11
| | | | | | | | | | * All systems we support have some form of long name support. * The options has different names and semantics in different implementations ('f' on gnu, 'T' on OS X), which makes it unlikely it is normally used on build systems. * It was completely untested. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186078 91177308-0d34-0410-b5e6-96231b3b80d8
* Sync llvm-ar's help string with the options it supports.Rafael Espindola2013-07-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186076 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't crash in 'llvm -s' when an archive has no symtab.Rafael Espindola2013-07-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186029 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't run internalize if we're outputing bit-code and not an object file.Bill Wendling2013-07-08
| | | | | | | | | | | The problem with running internalize before we're ready to output an object file is that it may change a 'weak' symbol into an internal one, but that symbol could be needed by an external object file --- e.g. with arclite. <rdar://problem/14334895> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185882 91177308-0d34-0410-b5e6-96231b3b80d8
* Create files with the correct permission instead of changing it afterwards.Rafael Espindola2013-07-08
| | | | | | No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185832 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixes problem when calling llvm-ar from an unmodifiable directory.Manuel Klimek2013-07-08
| | | | | | | | | This fixes a regression introduced by r185726: the new call to get a unique file does not prepend the system temporary directory, so we need to anchor on the file that the temporary file gets moved to to ensure we're on the same file system. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185825 91177308-0d34-0410-b5e6-96231b3b80d8
* COFFDumper: Print uint64_t with the right format string.Benjamin Kramer2013-07-06
| | | | | | I wish we could typecheck llvm::format. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185766 91177308-0d34-0410-b5e6-96231b3b80d8
* [llvm-ar] Added llvm_unreachable to quiet -Wreturn-type warnings.Michael Gottesman2013-07-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185751 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a createUniqueFile function and switch llvm's users of unique_file.Rafael Espindola2013-07-05
| | | | | | | | | | | | | | This function is complementary to createTemporaryFile. It handles the case were the unique file is *not* temporary: we will rename it in the end. Since we will rename it, the file has to be in the same filesystem as the final destination and we don't prepend the system temporary directory. This has a small semantic difference from unique_file: the default mode is 0666. This matches the behavior of most unix tools. For example, with this change lld now produces files with the same permissions as ld. I will add a test of this change when I port clang over to createUniqueFile (next commit). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185726 91177308-0d34-0410-b5e6-96231b3b80d8
* Use sys::fs::createTemporaryFile.Rafael Espindola2013-07-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185719 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't create an archive if, for example, we are asked to print the index.Rafael Espindola2013-07-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185697 91177308-0d34-0410-b5e6-96231b3b80d8
* Use simpler version of exists.Rafael Espindola2013-07-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185695 91177308-0d34-0410-b5e6-96231b3b80d8
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