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Commit Graph

50 Commits

Author SHA1 Message Date
Kevin Enderby
1025e9e9d6 Add printing the LC_LINKER_OPTION load command with llvm-objdump’s -private-headers.
Also corrected the name of the load command to not end in an ’S’ as well as corrected
the name of the MachO::linker_option_command struct and other places that had the
word option as plural which did not match the Mac OS X headers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224485 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-18 00:53:40 +00:00
Kevin Enderby
37598b62a7 Adds the next bit of support for llvm-objdump’s -private-headers for executable Mach-O files.
This adds the printing of more load commands, so that the normal load commands
in a typical X86 Mach-O executable can all be printed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217172 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-04 16:54:47 +00:00
Rafael Espindola
548f2b6e8f Don't own the buffer in object::Binary.
Owning the buffer is somewhat inflexible. Some Binaries have sub Binaries
(like Archive) and we had to create dummy buffers just to handle that. It is
also a bad fit for IRObjectFile where the Module wants to own the buffer too.

Keeping this ownership would make supporting IR inside native objects
particularly painful.

This patch focuses in lib/Object. If something elsewhere used to own an Binary,
now it also owns a MemoryBuffer.

This patch introduces a few new types.

* MemoryBufferRef. This is just a pair of StringRefs for the data and name.
  This is to MemoryBuffer as StringRef is to std::string.
* OwningBinary. A combination of Binary and a MemoryBuffer. This is needed
  for convenience functions that take a filename and return both the
  buffer and the Binary using that buffer.

The C api now uses OwningBinary to avoid any change in semantics. I will start
a new thread to see if we want to change it and how.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216002 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-19 18:44:46 +00:00
Rafael Espindola
9aa0b5e11e Remove some calls to std::move.
Instead of moving out the data in a ErrorOr<std::unique_ptr<Foo>>, get
a reference to it.

Thanks to David Blaikie for the suggestion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214516 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-01 14:31:55 +00:00
Rafael Espindola
79002da926 Use std::unique_ptr to make the ownership explicit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214377 91177308-0d34-0410-b5e6-96231b3b80d8
2014-07-31 03:12:45 +00:00
Tim Northover
12a261e117 macho-dump: add code to print LC_ID_DYLIB load commands.
I want to check them in lld.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212043 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-30 14:40:57 +00:00
Rafael Espindola
1ad45020ec Remove 'using std::error_code' from tools.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210876 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-13 03:07:50 +00:00
Rafael Espindola
5c792faa0e Don't use 'using std::error_code' in include/llvm.
This should make sure that most new uses use the std prefix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210835 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-12 21:46:39 +00:00
Rafael Espindola
d5132f9073 Remove system_error.h.
This is a minimal change to remove the header. I will remove the occurrences
of "using std::error_code" in a followup patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210803 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-12 17:38:55 +00:00
Jim Grosbach
d55fc3f151 Darwin: Add assembler directives to create version-min load commands.
Allow object files to be tagged with a version-min load command for iOS
or MacOSX.

Teach macho-dump to understand the version-min load commands for
testcases.

rdar://11337778

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204190 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-18 22:09:05 +00:00
Alexey Samsonov
133aacf0dd [C++11] Introduce ObjectFile::symbols() to use range-based loops.
Reviewers: rafael

Reviewed By: rafael

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D3081

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204031 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-17 07:28:19 +00:00
Ahmed Charles
f4ccd11075 Replace OwningPtr<T> with std::unique_ptr<T>.
This compiles with no changes to clang/lld/lldb with MSVC and includes
overloads to various functions which are used by those projects and llvm
which have OwningPtr's as parameters. This should allow out of tree
projects some time to move. There are also no changes to libs/Target,
which should help out of tree targets have time to move, if necessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203083 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-06 05:51:42 +00:00
Rafael Espindola
a40b3522c8 Change the begin and end methods in ObjectFile to match the style guide.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201108 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-10 20:24:04 +00:00
Rafael Espindola
efdbec8b0a Simplify the handling of iterators in ObjectFile.
None of the object file formats reported error on iterator increment. In
retrospect, that is not too surprising: no object format stores symbols or
sections in a linked list or other structure that requires chasing pointers.
As a consequence, all error checking can be done on begin() and end().

This reduces the text segment of bin/llvm-readobj in my machine from 521233 to
518526 bytes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200442 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-30 02:49:50 +00:00
Rafael Espindola
1fca78a9b1 Return an ErrorOr<Binary *> from createBinary.
I did write a version returning ErrorOr<OwningPtr<Binary> >, but it is too
cumbersome to use without std::move. I will keep the patch locally and submit
when we switch to c++11.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199326 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-15 19:37:43 +00:00
NAKAMURA Takumi
3aabdebde2 [CMake] Update LLVM_LINK_COMPONENTS for each CMakeLists.txt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196908 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 11:13:32 +00:00
Rui Ueyama
29552222c2 Object/COFF: Rename getXXX{Begin,End} -> xxx_{begin,end}.
It is mentioned in the LLVM coding standard that _begin() and _end() suffixes
should be used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191569 91177308-0d34-0410-b5e6-96231b3b80d8
2013-09-27 21:47:05 +00:00
Charles Davis
5510728d28 Move everything depending on Object/MachOFormat.h over to Support/MachO.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189728 91177308-0d34-0410-b5e6-96231b3b80d8
2013-09-01 04:28:48 +00:00
Charles Davis
f69a29b23a Revert "Fix the build broken by r189315." and "Move everything depending on Object/MachOFormat.h over to Support/MachO.h."
This reverts commits r189319 and r189315. r189315 broke some tests on what I
believe are big-endian platforms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189321 91177308-0d34-0410-b5e6-96231b3b80d8
2013-08-27 05:38:30 +00:00
David Blaikie
45fbe98c21 Fix the build broken by r189315.
(this triggered Clang's -Wsometimes-uninitialized on the default path
through the switch)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189319 91177308-0d34-0410-b5e6-96231b3b80d8
2013-08-27 05:16:07 +00:00
Charles Davis
9c3dd1b0d1 Move everything depending on Object/MachOFormat.h over to Support/MachO.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189315 91177308-0d34-0410-b5e6-96231b3b80d8
2013-08-27 05:00:43 +00:00
Kevin Enderby
54154f3bf1 Teach llvm-objdump with the -macho parser how to use the data in code table
from the LC_DATA_IN_CODE load command.  And when disassembling print
the data in code formatted for the kind of data it and not disassemble those
bytes.

I added the format specific functionality to the derived class MachOObjectFile
since these tables only appears in Mach-O object files. This is my first
attempt to modify the libObject stuff so if folks have better suggestions
how to fit this in or suggestions on the implementation please let me know.

rdar://11791371


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183424 91177308-0d34-0410-b5e6-96231b3b80d8
2013-06-06 17:20:50 +00:00
Rafael Espindola
2173e1839c Use llvm/Object/MachO.h in macho-dumper. Drop the old macho parser.
For Mach-O there were 2 implementations for parsing object files. A
standalone llvm/Object/MachOObject.h and llvm/Object/MachO.h which
implements the generic interface in llvm/Object/ObjectFile.h.

This patch adds the missing features to MachO.h, moves macho-dump to
use MachO.h and removes ObjectFile.h.

In addition to making sure that check-all is clean, I checked that the
new version produces exactly the same output in all Mach-O files in a
llvm+clang build directory (including executables and shared
libraries).

To test the performance, I ran macho-dump over all the files in a
llvm+clang build directory again, but this time redirecting the output
to /dev/null. Both the old and new versions take about 4.6 seconds
(2.5 user) to finish.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180624 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26 20:07:33 +00:00
Daniel Dunbar
a94c339423 [MC/Mach-O] Add support for linker options in Mach-O files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172779 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18 01:26:07 +00:00
Jim Grosbach
3e96531186 Refactor data-in-code annotations.
Use a dedicated MachO load command to annotate data-in-code regions.
This is the same format the linker produces for final executable images,
allowing consistency of representation and use of introspection tools
for both object and executable files.

Data-in-code regions are annotated via ".data_region"/".end_data_region"
directive pairs, with an optional region type.

data_region_directive := ".data_region" { region_type }
region_type := "jt8" | "jt16" | "jt32" | "jta32"
end_data_region_directive := ".end_data_region"

The previous handling of ARM-style "$d.*" labels was broken and has
been removed. Specifically, it didn't handle ARM vs. Thumb mode when
marking the end of the section.

rdar://11459456

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157062 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-18 19:12:01 +00:00
Evan Cheng
0d5c32327a DumpSegment64Command() wasn't returning correct result. Caught by static analyzer. rdar://11329354
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155669 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-26 22:07:28 +00:00
Daniel Dunbar
4ab406d7fc LLVMBuild: Remove trailing newline, which irked me.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146409 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 19:48:00 +00:00
Daniel Dunbar
0d3c223035 LLVMBuild: Add description files for the LLVM tools.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144417 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11 22:59:39 +00:00
Daniel Dunbar
8c39c9647d build: Tidy up a bunch of tool Makefiles, and simplify where possible using the
new all-targets pseudo-component.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142401 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18 19:27:24 +00:00
Benjamin Kramer
d4522460d4 Teach macho-dump to dump the uleb128s referred to by linkedit_data segments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138836 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-30 22:10:58 +00:00
Benjamin Kramer
9942acab0a Teach macho-dump how to dump linkedit_data load commands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138807 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-30 18:33:37 +00:00
Eric Christopher
138b77c38a Remove unused function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128834 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-04 17:36:11 +00:00
Chris Lattner
74a26fe099 silence an unused function warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128831 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-04 17:17:57 +00:00
Eric Christopher
592cf78f84 Start migrating mach-o dumping facilities to the object file out of a
separate executable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128801 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-03 23:51:47 +00:00
Michael J. Spencer
3ff9563c3e MemoryBuffer now return an error_code and returns a OwningPtr<MemoryBuffer> via an out parm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121958 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-16 03:29:14 +00:00
NAKAMURA Takumi
049c74ba3e macho-dump: Fix CMake build, following up to r121466.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121476 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-10 09:18:26 +00:00
Daniel Dunbar
4e45256a06 macho-dump: Switch to C++ macho-dump tool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121466 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-10 06:19:45 +00:00
Daniel Dunbar
a87d7ec234 Mach-O: Tweak field name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121465 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-10 06:19:39 +00:00
Michael J. Spencer
333fb04506 Support/MemoryBuffer: Replace all uses of std::string *ErrMsg with error_code &ec. And fix clients.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121379 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-09 17:36:48 +00:00
Daniel Dunbar
71130f8aa1 macho-dump: Add support for --dump-section-data and tweak a few format strings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120219 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27 13:58:16 +00:00
Daniel Dunbar
2208b58b83 macho-dump: Add support for dumping symbol table entries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120218 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27 13:52:53 +00:00
Daniel Dunbar
f2e2a5ff04 macho-dump: Add support for dumping string table data.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120217 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27 13:46:11 +00:00
Daniel Dunbar
90e3e3a429 macho-dump: Add support for dumping relocation entries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120216 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27 13:39:48 +00:00
Daniel Dunbar
2acadbddf6 macho-dump: Add support for dumping sections.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120215 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27 13:33:15 +00:00
Daniel Dunbar
4c55e0db0f macho-dump: Add support for dumping dysymtab indirect symbol table.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120214 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27 13:26:12 +00:00
Daniel Dunbar
f879f14cef macho-dump: Add support for dumping symtab and dysymtab commands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120204 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27 08:33:44 +00:00
Daniel Dunbar
4ba1f5e001 macho-dump: Add support for dumping segment load commands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120203 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27 08:22:29 +00:00
Daniel Dunbar
a956d8b717 Object/Mach-O: Add header and load command information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120198 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27 07:19:41 +00:00
Daniel Dunbar
ad1252498d macho-dump: More sketching.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120192 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27 06:19:17 +00:00
Daniel Dunbar
75373ac0c3 macho-dump: Stub out C++ macho-dump tool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120191 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27 05:58:44 +00:00