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739 Commits

Author SHA1 Message Date
Craig Topper
795a06a046 Use makeArrayRef or None to avoid unnecessarily mentioning the ArrayRef type extra times. NFC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@248140 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-09-21 05:32:41 +00:00
Rafael Espindola
26a99b2dc8 This code never uses r_addend, so it can just use Elf_Rel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@248040 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-09-18 21:12:38 +00:00
Davide Italiano
5310d9c491 [Object/ELF] Change comment to reflect reality. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@248032 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-09-18 20:41:15 +00:00
Rafael Espindola
3c4c9334b2 Pass a symbol table to getRelocationSymbol instead of returning one. 
This removes a report_fatal_error from library and avoids checking a
section property for every section entry.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246656 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-09-02 15:07:39 +00:00
Rui Ueyama
5c1fa7fc49 Object: Fix COFF import file's symbols. 
If a symbol is marked as "data", the symbol should be exported
with __imp_ prefix. Previously, the symbol was exported as-is.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246532 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-09-01 06:01:53 +00:00
Rui Ueyama
c2aa1793ed llvm-readobj: Dump more info for COFF import libraries. 
This patch teaches llvm-readobj to print out COFF import file header fields.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246291 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-28 10:27:50 +00:00
Rui Ueyama
3bc806de10 Attempt to unbreak Win32 build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246284 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-28 07:48:41 +00:00
Rui Ueyama
40e22518fc Re-apply r246276 - Object: Teach llvm-ar to create symbol table for COFF short import files 
This patch includes a fix for a llvm-readobj test. With this patch, 
the tool does no longer print out COFF headers for the short import
file, but that's probably desirable because the header for the short
import file is dummy.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246283 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-28 07:40:30 +00:00
Davide Italiano
37b18da3e3 [MachO] Move trivial accessors to header. 
Requested by: Jim Grosbach.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245963 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-25 18:27:59 +00:00
Davide Italiano
39e2b39af7 [MachO] Introduce MinVersion API. 
While introducing support for MinVersionLoadCommand in llvm-readobj I noticed there's
no API to extract Major/Minor/Update components conveniently. Currently consumers
do the bit twiddling on their own, but this will change from now on.

I'll convert llvm-objdump (and llvm-readobj) in a later commit.

Differential Revision:	 http://reviews.llvm.org/D12282
Reviewed by:	rafael


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245938 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-25 15:02:23 +00:00
Rafael Espindola
850ecaba66 Report an error if a SHT_SYMTAB_SHNDX section has the wrong size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245873 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-24 21:09:41 +00:00
Rafael Espindola
0d34e64f73 Don't iterate over all sections in the ELFFile constructor. 
With this we finally have an ELFFile that is O(1) to construct. This is helpful
for programs like lld which have to do their own section walk.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244510 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-10 21:29:35 +00:00
Rafael Espindola
bfbf462c0d Rename improperly named variable. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244507 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-10 21:25:44 +00:00
Rafael Espindola
4d79d2fcbf Delete getDotSymtabSec. 
Another step in avoiding iterating over all sections in the ELFFile constructor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244496 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-10 20:25:04 +00:00
Rafael Espindola
47b7f78637 rename toELFShdrIter to getSection and move it closer to getSymbol. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244483 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-10 19:10:37 +00:00
Rafael Espindola
42f80af623 toELFSymIter and getSymbol are now the same thing. Merge them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244482 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-10 19:07:56 +00:00
Rafael Espindola
e32110a559 Return early on error. Should fix the asan bots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244397 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-08 14:54:09 +00:00
Rafael Espindola
18f2a33eba Delete dead code. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244378 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-08 00:25:57 +00:00
Rafael Espindola
e84d8c12d5 Convert getSymbolSection to return an ErrorOr. 
This function can actually fail since the symbol contains an index to the
section and that can be invalid.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244375 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-07 23:27:14 +00:00
Rafael Espindola
310e6c3606 Don't look for a SHT_DYNSYM in the ELFFile's constructor. 
Yet another step in not having it scan every section.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244353 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-07 20:11:08 +00:00
Rafael Espindola
8081351a70 Remove the symbol iteration functions that don't take a symbol table. 
Another step in making ELFFile's constructor not iterate over all sections.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244351 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-07 20:07:27 +00:00
Rafael Espindola
9b171d27d0 Delete dead code. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244335 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-07 17:06:05 +00:00
Rafael Espindola
09ad805fcf Don't use a DenseMap to handle SHT_SYMTAB_SHNDX. 
It is already a convenient table.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244333 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-07 16:51:44 +00:00
Rafael Espindola
0b35ff9dd4 Delete dead typedef. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244328 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-07 16:36:47 +00:00
Rafael Espindola
e1358aa4ce Add dynamic_table iterators back to ELF.h. 
In tree they are only used by llvm-readobj, but it is also used by
https://github.com/mono/CppSharp.

While at it, add some missing error checking.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244320 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-07 15:25:20 +00:00
Rafael Espindola
8a0ff180e8 Move to llvm-readobj code that is only used there. 
lld might end up using a small part of this, but it will be in a much
refactored form. For now this unblocks avoiding the full section scan in the
ELFFile constructor.

This also has a (very small) error handling improvement.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244282 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-06 21:54:37 +00:00
Rafael Espindola
437cb16a8c Reuse variable. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244214 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-06 14:51:02 +00:00
Rafael Espindola
f1595fb549 Drop unnecessary static_cast. 
ELFT::TargetEndianness already has the correct type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244032 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-05 11:53:59 +00:00
Lang Hames
ce8287db09 [RuntimeDyld] Make LoadedObjectInfo::getLoadedSectionAddress take a SectionRef 
rather than a string section name.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243456 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-28 17:52:11 +00:00
Rafael Espindola
826e95913b Delete dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243015 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-23 13:42:16 +00:00
Rafael Espindola
a7616cd14c Add a version of getSymbol with an explicit symbol table. Use it. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243011 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-23 12:49:40 +00:00
Rafael Espindola
a95022a4f3 Refactor duplicated code and check for invalid symbol table size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242981 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-23 03:24:22 +00:00
Rafael Espindola
9db135a5f1 Fix fetching the symbol table of a thin archive. 
We were trying to read it as an external file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242926 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-22 19:34:26 +00:00
Rafael Espindola
55b052ae66 Delete ELFEntityIterator. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242901 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-22 14:09:20 +00:00
Michael J. Spencer
3f6881efa5 [Object][ELF] Handle files with no section header string table. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242839 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-21 21:40:33 +00:00
Rafael Espindola
c22eb2bea6 Don't iterate over the program headers in the constructor of ELFFile. 
Not every program needs this information.

In particular, it is necessary and sufficient for a static linker to scan the
section table.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242833 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-21 20:50:53 +00:00
Rafael Espindola
961b7c2b52 Remove always null argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242828 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-21 19:38:32 +00:00
Rafael Espindola
d8a62d931e Remove getDynamicSymbolName. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242821 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-21 18:20:17 +00:00
Rafael Espindola
9ed0d629ce Remove getStaticSymbolName. 
Every user now keeps track of the correct string table to use.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242818 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-21 18:04:29 +00:00
Rafael Espindola
746609067c Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242804 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-21 16:50:57 +00:00
Rafael Espindola
7eeb71ddc3 Replace the last uses of ELF::getSymbolName in llvm-readobj. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242798 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-21 16:26:21 +00:00
Rafael Espindola
fcadda639e llvm-readobj: use the associated string table to print symbols. NFI. 
This just removes some cases that require ELFFile to eagerly parse the ELF
file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242794 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-21 16:02:10 +00:00
Rafael Espindola
ab466de617 Remove unused variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242789 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-21 14:45:56 +00:00
Rafael Espindola
04d208815c Don't do a walk over the dynamic table just to find DT_SONAME. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242752 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-21 01:01:29 +00:00
Rafael Espindola
bb418bc23b Remove duplicated code. 
Both ELFObjectFile and ELFFile had an implementation of getLoadName.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242725 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-20 22:41:44 +00:00
Rafael Espindola
0377a22491 Simplify now that we can iterate backwards. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242715 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-20 21:45:56 +00:00
Rafael Espindola
d94e17bde9 Simplify iterating over the dynamic section and report broken ones. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242712 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-20 21:23:29 +00:00
Rafael Espindola
1c12cc02fd Remove Elf_Rela_Iter and Elf_Rel_Iter. 
Use just the pointers and check for invalid relocation sections.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242700 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-20 20:07:50 +00:00
Rafael Espindola
96d9043a78 Report errors an invalid virtual addresses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242676 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-20 14:45:03 +00:00
Rafael Espindola
3c7642e230 Remove unnecessary code. 
We were locating the dynamic string table via both the section and segment
headers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242674 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-20 14:29:00 +00:00