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479 Commits

Author SHA1 Message Date
Davide Italiano
a99b964662 [llvm-readobj/ELF] Factor out common code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245813 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-23 14:06:40 +00:00
Davide Italiano
241f716c4b [llvm-readobj] Add support for MachO DataInCodeDataCommand. 
Example output:

File: <stdin>
Format: Mach-O arm
Arch: arm
AddressSize: 32bit
DataInCode {
  Data offset: 300
  Data size: 32
  Data Regions [
    DICE {
      Index: 0
      Offset: 0
      Length: 4
      Kind: 1
    }
    DICE {
      Index: 1
      Offset: 4
      Length: 4
      Kind: 4
    }
    DICE {
      Index: 2
      Offset: 8
      Length: 2
      Kind: 3
    }
    DICE {
      Index: 3
      Offset: 10
      Length: 1
      Kind: 2
    }
  ]
}

Differential Revision:	 http://reviews.llvm.org/D12084


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245732 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-21 20:28:30 +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
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
c505e6df7a Use continue to reduce indentation. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244480 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-10 18:57:42 +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
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
Tom Stellard
9baa291a86 ELF: Add AMDGPU specific defintions 
Reviewers: rafael

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D11458

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244303 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-07 01:35:24 +00:00
Davide Italiano
e06606ffd1 [llvm-readobj] Convert to range-loops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244300 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-07 00:35:28 +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
Simon Atanasyan
e35d602838 [Mips] Support DT_MIPS_RLD_MAP_REL dynamic section tag in the llvm-readobj 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243833 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-01 12:02:02 +00:00
David Majnemer
cfe562c99b [COFF] Add IMAGE_SCN_TYPE_NOLOAD to SectionCharacteristics 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243658 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-30 16:47:56 +00:00
Davide Italiano
c46ea19bd3 [llvm-reaobj] Display COFF-specific sections/tables only if the object is COFF. 
Just skip them otherwise.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243086 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-24 02:14:20 +00:00
Rafael Espindola
2b11aef2f4 Support printing relocations in files with no section table. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242998 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-23 09:11:05 +00:00
Rafael Espindola
7528c1963f Use typdef to simplify the code. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242995 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-23 08:48:14 +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
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
ca7fac9a29 Make printValue a member function. 
We were already passing 3 values it can get from ELFDumper.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242829 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-21 19:57:43 +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
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
9ea117379c Use helper function. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242795 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-21 16:05:53 +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
71e35258cb Simplify printing the soname. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242786 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-21 13:48:41 +00:00
Rafael Espindola
ed3c543ddb Add missing c++ marker to .h file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242784 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-21 13:42:38 +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
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
9a4133e1ee Simplify iterating over program headers and detect corrupt ones. 
We now use a simple pointer and have range loops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242669 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-20 13:35:33 +00:00
Rafael Espindola
fa1a4b2275 llvm-readobj: Handle invalid references to the string table. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242658 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-20 03:38:17 +00:00
Rafael Espindola
d60ced8e08 llvm-readobj: call exit(1) on error. 
llvm-readobj exists for testing llvm. We can safely stop the program
the first time we know the input in corrupted.

This is in preparation for making it handle a few more broken files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242656 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-20 03:23:55 +00:00
Rafael Espindola
b9adbd998f Refactor duplicated code. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242655 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-20 03:01:49 +00:00
Michael J. Spencer
8109763d68 [Object][ELF] Support dumping hash-tables from files with no section table. 
This time without breaking the bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241869 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-09 22:32:24 +00:00
Simon Atanasyan
13c5e09c6e [llvm-readobj] Print MIPS PLT table 
Now the -mips-plt-got prints both MIPS GOT and PLT tables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241836 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-09 18:23:10 +00:00
David Majnemer
8343a0aa3b [llvm-readobj] Re-add sanity checking which was accidentally removed in r241764 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241831 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-09 18:14:31 +00:00
Justin Bogner
e1ef0c07e9 llvm-readobj: Fix an unused variable after r241764 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241783 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-09 04:27:36 +00:00
Adrian Prantl
2efb9f7c3e Temporarily reverting 241765, 241768, and 241772 to unbreak the build bots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241781 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-09 02:14:49 +00:00
Michael J. Spencer
7d0e4c73d4 [Object][ELF] Support dumping hash-tables from files with no section table. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241765 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-09 00:21:06 +00:00
David Majnemer
b1d6ad18ba [CodeView] Add support for emitting column information 
Column information is present in CodeView when the line table subsection
has bit 0 set to 1 in it's flags field.  The column information is
represented as a pair of 16-bit quantities: a starting and ending
column.  This information is present at the end of the chunk, after all
the line-PC pairs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241764 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-09 00:19:51 +00:00
Rafael Espindola
297f505009 Simplify. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241458 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-06 15:53:43 +00:00
Rafael Espindola
159946938f Check that COFF .obj files have sections with zero virtual address spaces. 
When talking about the virtual address of sections the coff spec says:
  ... for simplicity, compilers should set this to zero. Otherwise, it is an
  arbitrary value that is subtracted from offsets during relocation.

We don't currently subtract it, so check that it is zero.

If some producer does create such files, we can change getRelocationOffset
instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241447 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-06 14:26:07 +00:00
Rafael Espindola
5954faae4d Return ErrorOr from getSymbolAddress. 
It can fail trying to get the section on ELF and COFF. This makes sure the
error is handled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241366 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-03 18:19:00 +00:00
Rafael Espindola
8a80641a85 Return ErrorOr from SymbolRef::getName. 
This function can really fail since the string table offset can be out of
bounds.

Using ErrorOr makes sure the error is checked.

Hopefully a lot of the boilerplate code in tools/* can go away once we have
a diagnostic manager in Object.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241297 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-02 20:55:21 +00:00
Rafael Espindola
df3edb6d36 Return ErrorOr from getSection. 
This also improves the logic of what is an error:

* getSection(uint_32): only return an error if the index is out of bounds. The
  index 0 corresponds to a perfectly valid entry.
* getSection(Elf_Sym): Returns null for symbols that normally don't have
  sections and error for out of bound indexes.

In many places this just moves the report_fatal_error up the stack, but those
can then be fixed in smaller patches.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241156 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-01 12:56:27 +00:00
Rafael Espindola
4a04da337e Remove Elf_Shdr_Iter. Diagnose files with invalid section header sizes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241109 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-06-30 19:58:10 +00:00
Rafael Espindola
60e53b2777 Use range loops. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241105 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-06-30 19:24:51 +00:00
Rafael Espindola
6e0583f36b Use range loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241104 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-06-30 19:13:25 +00:00
Rafael Espindola
a70c93ccd6 Use range loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241100 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-06-30 19:02:00 +00:00
Rafael Espindola
28bec63a7e Fix the name of the iterator functions to match the coding standards. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241074 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-06-30 15:33:44 +00:00