Commit Graph

5890 Commits

Author SHA1 Message Date
Pawel Bylica edb0210c38 [llvm-stress] Enhance scalar type selection from command line.
llvm-stress command line options like -generate-x86-fp80 has been replaced with one list-like option -types. E.g. llvm-stress -types=x86_fp80,i100,i256,half. Default types (i1, i8, i16, i32, i64, float, double) are always added at the beginning of that list.

Reviewers: hfinkel

Differential Revision: http://reviews.llvm.org/D10667

llvm-svn: 241896
2015-07-10 10:01:47 +00:00
David Majnemer db82d2f338 Revert the new EH instructions
This reverts commits r241888-r241891, I didn't mean to commit them.

llvm-svn: 241893
2015-07-10 07:15:17 +00:00
Daniel Jasper 0f70ee9017 Add missing 'const'. I don't think this is strictly required, but some
compiler configuration is giving me an error and it seems to be
recommended anyway.

llvm-svn: 241892
2015-07-10 07:09:20 +00:00
David Majnemer ae2ffc8a8c New EH representation for MSVC compatibility
Summary:
This introduces new instructions neccessary to implement MSVC-compatible
exception handling support.  Most of the middle-end and none of the
back-end haven't been audited or updated to take them into account.

Reviewers: rnk, JosephTremoulet, reames, nlewycky, rjmccall

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D11041

llvm-svn: 241888
2015-07-10 07:00:44 +00:00
Michael J. Spencer 20546ffd4a [Object][ELF] Support dumping hash-tables from files with no section table.
This time without breaking the bots.

llvm-svn: 241869
2015-07-09 22:32:24 +00:00
Reid Kleckner c16b1078df Expose sjlj preparation through opt for my own debugging purposes
llvm-svn: 241864
2015-07-09 21:48:40 +00:00
Rafael Espindola 2535ea0b83 Create BSD archives by default on OS X.
They should probably be created on anything that is not windows or linux, but I will
test on freebsd before changing that.

With this it is possible to bootstrap with llvm-ar instead of ar+ranlib on OS X.

llvm-svn: 241849
2015-07-09 20:12:50 +00:00
Simon Atanasyan e419e9ca75 [llvm-readobj] Print MIPS PLT table
Now the -mips-plt-got prints both MIPS GOT and PLT tables.

llvm-svn: 241836
2015-07-09 18:23:10 +00:00
Simon Atanasyan 3a120920f6 [yaml2obj] Initialize sh_addralign field for the .symtab section
llvm-svn: 241835
2015-07-09 18:23:02 +00:00
David Majnemer 0373d53ae4 [llvm-readobj] Re-add sanity checking which was accidentally removed in r241764
llvm-svn: 241831
2015-07-09 18:14:31 +00:00
David Majnemer 2603a8fa24 [llvm-objdump] Require that jump targets shown in -d are functions
Don't let the disassembler pick call <.text> if a function happens to
live at the start of the section by only using function symbols.

llvm-svn: 241830
2015-07-09 18:11:40 +00:00
Justin Bogner a1413db2bf llvm-readobj: Fix an unused variable after r241764
llvm-svn: 241783
2015-07-09 04:27:36 +00:00
Adrian Prantl bfdf7dd176 Temporarily reverting 241765, 241768, and 241772 to unbreak the build bots.
llvm-svn: 241781
2015-07-09 02:14:49 +00:00
Michael J. Spencer c4a25be568 [Object][ELF] Support dumping hash-tables from files with no section table.
llvm-svn: 241765
2015-07-09 00:21:06 +00:00
David Majnemer 3f49e662c8 [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.

llvm-svn: 241764
2015-07-09 00:19:51 +00:00
Rafael Espindola c91177e410 Disallow Archive::child_iterator that don't point to an archive.
NFC, just less error prone.

llvm-svn: 241747
2015-07-08 22:15:07 +00:00
Rafael Espindola a2ed0b0bab Start adding support for writing archives in BSD format.
No support for the symbol table yet (but will hopefully add it today).
We always use the long filename format so that we can align the member,
which is an advantage of the BSD format.

llvm-svn: 241721
2015-07-08 20:47:32 +00:00
Simon Atanasyan 22c4c9ee8f [yaml2obj] Align section content using AddressAlign field's value
Use AddressAlign field's value to properly align sections content in the
yaml2obj tool. Before this change the yaml2obj ignored AddressAlign and
always aligned section on 16 bytes boundary.

llvm-svn: 241674
2015-07-08 10:12:40 +00:00
NAKAMURA Takumi 58843eede5 Revert r241621, "[CMake] Cleanup tools/CMakeLists.txt to take advantage of the auto-registration that was already partially working."
It broke the build that relies on LLVM_EXTERNAL_CLANG_*.

llvm-svn: 241663
2015-07-08 02:35:43 +00:00
Adrian Prantl 437105a4de llvm-objdump: Replace the -macho -raw option with a generic -raw-clang-ast
option that works with all object container formats.
Now that clang modules/PCH are object containers this option is useful to
to construct pipes like

  llvm-objdump -raw-clang-ast foo.pcm | llvm-bcanalyzer -

to inspect the AST contents in a PCH container.
Will be tested via clang.

Belatedly addresses review feedback for r233390.

llvm-svn: 241659
2015-07-08 02:04:15 +00:00
David Majnemer 81afca6bf7 [llvm-objdump] Print the call target next to the instruction
GNU binutils provides this behavior.  objdump -r doesn't really help
when you aren't dealing with relocation object files.

llvm-svn: 241631
2015-07-07 22:06:59 +00:00
Chris Bieneman 3765588f65 [CMake] Cleanup tools/CMakeLists.txt to take advantage of the auto-registration that was already partially working.
Summary:
The tools CMakeLists file already had implicit tool registration, but there were a few things off about it that needed to be altered to make it work. This change addresses all that. The changes in this patch are:

* factored out canonicalizing tool names from paths to CMake variables
* removed the LLVM_IMPLICIT_PROJECT_IGNORE mechanism in favor of LLVM_EXTERNAL_${nameUPPER}_BUILD which I renamed to LLVM_TOOL_${nameUPPER}_BUILD because it applies to internal and external tools
* removed ignore_llvm_tool_subdirectory() in favor of just setting LLVM_TOOL_${nameUPPER}_BUILD to Off
* Added create_llvm_tool_options() to resolve a bug in add_llvm_external_project() - the old LLVM_EXTERNAL_${nameUPPER}_BUILD would not work on a clean CMake directory because the option could be created after it was set in code.
* Removed all but the minimum required calls to add_llvm_external_project from tools/CMakeLists.txt

Reviewers: bogner, samsonov, chapuni, beanz

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D10665

llvm-svn: 241621
2015-07-07 20:24:55 +00:00
Rafael Espindola 99d294ee9a Fix the -DBUILD_SHARED_LIBS=ON build.
llvm-svn: 241608
2015-07-07 17:48:00 +00:00
Rafael Espindola be8b0ea854 Delete UnknownAddress. It is a perfectly valid symbol value.
getSymbolValue now returns a value that in convenient for most callers:
* 0 for undefined
* symbol size for common symbols
* offset/address for symbols the rest

Code that needs something more specific can check getSymbolFlags.

llvm-svn: 241605
2015-07-07 17:12:59 +00:00
Rafael Espindola 7e7be92c7f Common symbols don't have a value.
At least not in the interface exposed by ObjectFile. This matches what ELF and
COFF implement.

Adjust existing code that was expecting them to have values. No overall
functionality change intended.

Another option would be to change the interface and the ELF and COFF
implementations to say that the value of a common symbol is its size.

llvm-svn: 241593
2015-07-07 15:05:09 +00:00
Rafael Espindola 2d5d23d41d llvm-nm: treat weak undefined as undefined.
This matches the behavior of gnu ld.

llvm-svn: 241512
2015-07-06 21:36:23 +00:00
Rafael Espindola cab827532e Swap operands instead of using !.
This avoids returning true for A == B.

Thanks to Benjamin Kramer for noticing it.

llvm-svn: 241490
2015-07-06 19:24:40 +00:00
Rafael Espindola e511051f4b When sorting by address, undefined symbols go first.
This matches gnu nm.

llvm-svn: 241488
2015-07-06 19:21:04 +00:00
Rafael Espindola 63d10d6767 Reduce code duplication. NFC.
llvm-svn: 241484
2015-07-06 18:48:47 +00:00
Rafael Espindola 80c3354634 Fix printing of common symbols.
Printing the symbol size matches the behavior or both gnu nm and freebsd nm.

llvm-svn: 241480
2015-07-06 18:18:44 +00:00
Alex Lorenz e2d75239d1 llc: Add a 'run-pass' option.
This commit adds a 'run-pass' option to llc, which instructs the compiler to run
one specific code generation pass only.

Llc already has the 'start-after' and the 'stop-after' options, and this new
option complements the other two by making it easier to write tests that want
to invoke a single pass only.

Reviewers: Duncan P. N. Exon Smith

Differential Revision: http://reviews.llvm.org/D10776

llvm-svn: 241476
2015-07-06 17:44:26 +00:00
Rafael Espindola c7689300bb Simplify. NFC.
llvm-svn: 241458
2015-07-06 15:53:43 +00:00
Rafael Espindola 704cd841a1 Simplify. NFC.
llvm-svn: 241456
2015-07-06 15:47:43 +00:00
Rafael Espindola 76d650e8d7 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.

llvm-svn: 241447
2015-07-06 14:26:07 +00:00
Lang Hames 78937c2ae5 [RuntimeDyld] Skip relocations for external symbols with 64-bit address ~0ULL.
Requested by Eugene Rozenfeld of the LLILC team, this feature allows JIT
clients to skip relocations for selected external symbols by returning ~0ULL
from their symbol resolver. If this value is returned for a given symbol,
RuntimeDyld will skip all relocations for that symbol. The client will be
responsible for applying the skipped relocations manually before the code
is executed.

llvm-svn: 241383
2015-07-04 01:35:26 +00:00
Simon Atanasyan 5db0276925 [ELFYAML] Fix handling SHT_NOBITS sections by obj2yaml/yaml2obj tools
SHT_NOBITS sections do not have content in an object file. Now the yaml2obj
tool does not accept `Content` field for such sections, and the obj2yaml
tool does not attempt to read the section content from a file.

Restore r241350 and r241352.

llvm-svn: 241377
2015-07-03 23:00:54 +00:00
Rafael Espindola a4b2733c86 Fix build with -DLLVM_USE_INTEL_JITEVENTS=ON -DLLVM_USE_OPROFILE=ON.
Is anyone using those?

llvm-svn: 241372
2015-07-03 21:47:00 +00:00
Rafael Espindola ed067c45d4 Return ErrorOr from getSymbolAddress.
It can fail trying to get the section on ELF and COFF. This makes sure the
error is handled.

llvm-svn: 241366
2015-07-03 18:19:00 +00:00
Rafael Espindola e2df87f24b Replace a few more MachO only uses of getSymbolAddress.
llvm-svn: 241365
2015-07-03 18:02:36 +00:00
Rafael Espindola dea0016f1e Use getValue instead of getAddress in a few MachO only cases.
In MachO the value of the symbol is always the address, so we can use the
simpler function.

llvm-svn: 241364
2015-07-03 17:44:18 +00:00
Rafael Espindola e9da9aa4f3 This reverts commit r241350 and r241352.
r241350 broke lld tests.
r241352 depends on r241350.

Original messages:
"[ELFYAML] Fix handling SHT_NOBITS sections by obj2yaml/yaml2obj tools"
"[ELFYAML] Make the Size field for .bss section optional"

llvm-svn: 241354
2015-07-03 14:54:02 +00:00
Simon Atanasyan b776eaed2e [ELFYAML] Fix handling SHT_NOBITS sections by obj2yaml/yaml2obj tools
SHT_NOBITS sections do not have content in an object file. Now yaml2obj
tool does not accept `Content` field for such sections, and obj2yaml
tool does not attempt to read the section content from a file.

llvm-svn: 241350
2015-07-03 14:07:06 +00:00
Rafael Espindola 5d0c2ffadf 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.

llvm-svn: 241297
2015-07-02 20:55:21 +00:00
Leny Kholodov bebb27b0d2 [Support] Lazy load of dbghlp.dll on Windows
This patch changes linkage with dbghlp.dll for clang from static (at load time)
to on demand (at the first use of required functions). Clang uses dbghlp.dll
only in minor use-cases. First of all in case of crash and in case of plugin load.
The dbghlp.dll library can be absent on system. In this case clang will fail
to load. With lazy load of dbghlp.dll clang can work even if dbghlp.dll
is not available.

Differential Revision: http://reviews.llvm.org/D10737

llvm-svn: 241271
2015-07-02 14:34:57 +00:00
Rafael Espindola 7f162ec2cc Expose getRel and getRela to reduce code duplication.
llvm-svn: 241266
2015-07-02 14:21:38 +00:00
Rafael Espindola 6def304209 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.

llvm-svn: 241156
2015-07-01 12:56:27 +00:00
Rafael Espindola 7605cdef90 Remove Elf_Shdr_Iter. Diagnose files with invalid section header sizes.
llvm-svn: 241109
2015-06-30 19:58:10 +00:00
Rafael Espindola 13e0877a80 Use range loops. NFC.
llvm-svn: 241105
2015-06-30 19:24:51 +00:00
Rafael Espindola cf08fb7af2 Use range loop.
llvm-svn: 241104
2015-06-30 19:13:25 +00:00
Rafael Espindola 1bdc53af1d Use range loop.
llvm-svn: 241100
2015-06-30 19:02:00 +00:00