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112 Commits

Author SHA1 Message Date
Michael Gottesman
21fb0193b2 Revert "Updated ELF relocation test for .eh_frame section" 
This reverts commit c8d6536422.

This broke a bunch of the buildbots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178222 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-28 05:14:26 +00:00
Jack Carter
c8d6536422 Updated ELF relocation test for .eh_frame section 
Made sure we were looking a correct section
Added Mips32/64 as an extra check
Updated llvm-objdump to generate symbolic info for Mips relocations


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178190 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-27 22:58:49 +00:00
Shankar Easwaran
dceaf4ac8d [ELF] dont compute symbolname size in every loop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177903 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-25 20:26:47 +00:00
Shankar Easwaran
8b2824a1b2 reflect comment to the official reference 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177895 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-25 19:50:40 +00:00
Shankar Easwaran
11987c4719 [ELF] add elf_hash function to compute the hash value of a symbol in the dynamic symbol table 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177872 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-25 16:02:10 +00:00
Michael J. Spencer
d326d05fb9 [llvm-readobj] Add ELF .dynamic table dumping. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175592 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-20 02:37:12 +00:00
Dmitry Vyukov
06121de923 include/llvm/Object/ELF.h: do debug checks only when NDEBUG 
validateSymbol() is called all over the place, and it seems it's a debug check.
It significantly speedups llvm-symbolizer used in tsan/asan/msan. validateSymbol() is the second hot function and accounts for 15% of runtime.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175192 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-14 18:41:42 +00:00
Michael J. Spencer
d1824f2f46 [Object][ELF] Add a way to get the dynamic symbol table section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174682 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-07 23:37:58 +00:00
Michael J. Spencer
2e0742f76c [Object][ELF] Add {begin,end}_elf_dynamic_symbols to non-virtually iterate over dynamic symbols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174681 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-07 23:37:46 +00:00
Michael J. Spencer
def0c1f756 [Object][ELF] Fix crash on no dynamic section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174639 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-07 18:26:45 +00:00
Michael J. Spencer
727de1e756 80-col 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174572 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-07 01:43:18 +00:00
Michael J. Spencer
49db4691cf [Object][ELF] Do the actual devirtualization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174568 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-07 01:24:22 +00:00
Michael J. Spencer
945bc5bde0 [Object][ELF] Devirtualize and simplify dynamic table iteration. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174566 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-07 01:17:23 +00:00
Tim Northover
72062f5744 Add AArch64 as an experimental target. 
This patch adds support for AArch64 (ARM's 64-bit architecture) to
LLVM in the "experimental" category. Currently, it won't be built
unless requested explicitly.

This initial commit should have support for:
    + Assembly of all scalar (i.e. non-NEON, non-Crypto) instructions
      (except the late addition CRC instructions).
    + CodeGen features required for C++03 and C99.
    + Compilation for the "small" memory model: code+static data <
      4GB.
    + Absolute and position-independent code.
    + GNU-style (i.e. "__thread") TLS.
    + Debugging information.

The principal omission, currently, is performance tuning.

This patch excludes the NEON support also reviewed due to an outbreak of
batshit insanity in our legal department. That will be committed soon bringing
the changes to precisely what has been approved.

Further reviews would be gratefully received.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174054 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-31 12:12:40 +00:00
NAKAMURA Takumi
3802947dec Object/RelocVisitor: Add minimal support, R_MIPS_32, for mips. 
It fixes llvm-dwarfdump for mips and mipsel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173567 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-26 08:27:36 +00:00
Michael J. Spencer
77c27f4394 Revert "[Object] .bss sections have no content. PR15005." 
This reverts commit r173007.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173012 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-21 08:13:04 +00:00
Michael J. Spencer
07d5617ca8 [Object] .bss sections have no content. PR15005. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173007 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-21 06:46:11 +00:00
Andrew Kaylor
6fff325fb6 Fixing behavior of ELFObjectFile::getSymbolFileOffset(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172872 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-18 23:40:42 +00:00
Dmitri Gribenko
6623730296 Improve r172577 by using the correct type when declaring constants 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172580 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-16 00:14:15 +00:00
David Greene
af50dda410 Avoid Enum Compare Warnings 
Avoid a compiler warning about comparing disjoint enums but casting
them to int first.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172577 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-15 23:46:58 +00:00
Michael J. Spencer
34461e554a [Object][ELF] Fix -Wenum-compare. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172556 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-15 22:00:16 +00:00
Michael J. Spencer
ac97f5ce48 [Object][ELF] Simplify ELFObjectFile by using ELFType. 
This simplifies the usage and implementation of ELFObjectFile by using ELFType
to replace:

<endianness target_endianness, std::size_t max_alignment, bool is64Bits>

This does complicate the base ELF types as they must now use template template
parameters to partially specialize for the 32 and 64bit cases. However these
are only defined once.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172515 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-15 07:44:25 +00:00
Tim Northover
0b740236b7 Allow ELF64 relocation type to be more than 8 bits. 
Current targets don't have more than 256 relocations so they don't hit this
limit, but ELF64 actually allows more than 8 bits for a relocation type. These
were being truncated on AArch64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171845 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-08 10:12:09 +00:00
Michael J. Spencer
95abfbe8e9 [Object][ELF] Fix incorrect size of members for the 64 version of Elf_Phdr_Impl. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171650 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-06 03:57:11 +00:00
Michael J. Spencer
3e5d8ade39 [Object][ELF] Add program header iterator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171648 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-06 03:56:27 +00:00
Michael J. Spencer
fe23da7949 [Object][ELF] Refactor ELFRelocationIterator into ELFEntityIterator. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171647 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-06 03:56:14 +00:00
Eric Christopher
22f3b40d0b Make this an integer so we have enumeral types in the conditional 
expression.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171571 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-05 00:32:04 +00:00
Michael J. Spencer
4d9c5397b4 [Object][ELF] Add a maximum alignment. This is used by createELFObjectFile to create a properly aligned reader. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171520 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 20:36:28 +00:00
Rafael Espindola
5b712efd9a Fix bits check in ELFObjectFile::isSectionZeroInit(). 
Fixes PR14723.

Patch by Sami Liedes!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171309 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-31 18:20:51 +00:00
Chandler Carruth
255f89faee Sort the #include lines for the include/... tree with the script. 
AKA: Recompile *ALL* the source code!

This one went much better. No manual edits here. I spot-checked for
silliness and grep-checked for really broken edits and everything seemed
good. It all still compiles. Yell if you see something that looks goofy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169133 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-03 17:02:12 +00:00
Shankar Easwaran
f741482387 Adding convenience function to ELF Header 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167852 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-13 18:26:22 +00:00
Tim Northover
a41dce3c64 Add interface for querying object files for symbol values. 
Currently only implemented for ELF.

Patch by Amara Emerson.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166918 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-29 10:47:00 +00:00
Sean Silva
ed84062812 Remove unnecessary classof()'s 
isa<> et al. automatically infer when the cast is an upcast (including a
self-cast), so these are no longer necessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165767 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-11 23:30:49 +00:00
Andrew Kaylor
3a129c8592 This patch adds new functions to the SectionRef and ObjectFile interfaces to determine whether or not a section is meant to be read-only. These functions will be used by the MCJIT RuntimeDyld to give hints to the memory manager during the object loading process in a future patch. 
Patch by Ashok Thirumurthi.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165586 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-10 01:41:33 +00:00
Hemant Kulkarni
a06fd99054 Add ELF program header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165316 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-05 15:16:53 +00:00
Adhemerval Zanella
a5e01b1314 Add PowerPC64 definitions for ELF.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165314 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-05 14:32:46 +00:00
Alexey Samsonov
01fa41a106 Fix SymbolRef::getAddress implementation for ELF. The 'value' field in symbol table entry should be treated differently for relocatable and relocated files. This patch fixes symbol addresses printed by llvm-nm for executables and shared objects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164365 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-21 07:08:08 +00:00
Richard Smith
419e5b9d4f Remove redundant semicolons to fix -pedantic-errors build break with older Clangs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164071 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-17 22:52:05 +00:00
Sid Manning
9b7ca41062 Add Michael Spencer's iterator class for stepping through relocations. Add method that, given a symbol index, will return the symbol's data. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164026 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-17 12:27:39 +00:00
Michael J. Spencer
2c38a6615a [Object] Extract Elf_Ehdr. Patch by Hemant Kulkarni! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163532 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-10 19:04:02 +00:00
Nick Lewycky
033d182589 Teach libObject about some more ELF relocations. llvm-objdump -r now knows 
every relocation in C++ hello world built with debug info.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163271 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-05 23:48:54 +00:00
Logan Chien
4b6fbf2560 Add ARM ELF support to llvm-objdump. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163062 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-01 14:58:11 +00:00
Akira Hatanaka
b889e0cd2f Correct MCJIT functionality for MIPS32 architecture. 
No new tests are added.
All tests in ExecutionEngine/MCJIT that have been failing pass after this patch
is applied (when "make check" is done on a mips board). 

Patch by Petar Jovanovic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162135 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-17 21:28:04 +00:00
Roman Divacky
05b2bc8781 Revert r162034, r162035 and r162037. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162039 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-16 19:07:59 +00:00
Roman Divacky
745d94d29f Handle PowerPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162034 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-16 18:30:03 +00:00
Michael J. Spencer
9669f74976 [Object] Remove unneeded const_cast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160692 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-24 21:07:56 +00:00
Anshuman Dasgupta
9dc5b3e6c4 Add new interfaces to support ldd's ReaderElf.cpp. 
Patch by Sid Manning!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160685 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-24 19:48:24 +00:00
Marshall Clow
50b4c52633 Add relocation types for Hexagon processor; patch by Sidney Manning <sidneym@codeaurora.org> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159081 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 14:46:18 +00:00
Benjamin Kramer
d9b0b02561 Fix typos found by http://github.com/lyda/misspell-check 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157885 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-02 10:20:22 +00:00
Preston Gurd
689ff9c00f Implement GDB integration for source level debugging of code JITed using 
the MCJIT execution engine.

The GDB JIT debugging integration support works by registering a loaded
object image with a pre-defined function that GDB will monitor if GDB
is attached. GDB integration support is implemented for ELF only at this
time. This integration requires GDB version 7.0 or newer.

Patch by Andy Kaylor!

 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154868 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-16 22:12:58 +00:00