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Commit Graph

21 Commits

Author SHA1 Message Date
George Rimar
13fafb5bb5 Recommit r366052 "[obj2yaml] - Rework tool's error reporting logic for ELF target."
No changes, LLD code was updated in r366057.

Original commit message:

ELF.h contains two getSymbol methods
which seems to be used only from obj2yaml.

One of these methods calls another, which in turn
contains untested error message which doesn't
provide enough information.

Problem is that after improving only just that message,
obj2yaml will not show it,
("Error reading file: yaml: Invalid data was
encountered while parsing the file" message will be shown instead),
because internal errors handling of tool is based on ErrorOr<> class which
stores a error code and as a result can only show a predefined error string, what
actually isn't very useful.

In this patch, I rework obj2yaml's error reporting system
for ELF targets to use Error  Expected<> classes.
Also, I improve the error message produced
by getSymbol for demonstration of the new functionality.

Differential revision: https://reviews.llvm.org/D64631

llvm-svn: 366058
2019-07-15 11:53:39 +00:00
George Rimar
d8896bc316 Revert r366052 "[obj2yaml] - Rework tool's error reporting logic for ELF target."
Seems it broke LLD:
http://lab.llvm.org:8011/builders/sanitizer-windows/builds/48434

llvm-svn: 366053
2019-07-15 11:00:42 +00:00
George Rimar
f08944a915 [obj2yaml] - Rework tool's error reporting logic for ELF target.
ELF.h contains two getSymbol methods
which seems to be used only from obj2yaml.

One of these methods calls another, which in turn
contains untested error message which doesn't
provide enough information.

Problem is that after improving only just that message,
obj2yaml will not show it,
("Error reading file: yaml: Invalid data was
encountered while parsing the file" message will be shown instead),
because internal errors handling of tool is based on ErrorOr<> class which
stores a error code and as a result can only show a predefined error string, what
actually isn't very useful.

In this patch, I rework obj2yaml's error reporting system
for ELF targets to use Error  Expected<> classes.
Also, I improve the error message produced
by getSymbol for demonstration of the new functionality.

Differential revision: https://reviews.llvm.org/D64631

llvm-svn: 366052
2019-07-15 10:50:03 +00:00
Hubert Tong
bf6e074ab0 [XCOFF] Add functionality for parsing AIX XCOFF object file headers
Summary:
1. Add functionality for parsing AIX XCOFF object files headers.
2. Only support 32-bit AIX XCOFF object files in this patch.
3. Print out the AIX XCOFF object file header in YAML format.

Reviewers: sfertile, hubert.reinterpretcast, jasonliu, mstorsjo, zturner, rnk

Reviewed By: sfertile, hubert.reinterpretcast

Subscribers: jsji, mgorny, hiraditya, jdoerfert, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D59419

Patch by Digger Lin

llvm-svn: 357663
2019-04-04 00:53:21 +00:00
Pavel Labath
4f272b6849 Add minidump support to obj2yaml
Summary:
This patch adds the code needed to parse a minidump file into the
MinidumpYAML model, and the necessary glue code so that obj2yaml can
recognise the minidump files and process them.

Reviewers: jhenderson, zturner, clayborg

Subscribers: mgorny, lldb-commits, amccarth, markmentovai, aprantl, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D59634

llvm-svn: 357469
2019-04-02 11:58:37 +00:00
Chandler Carruth
ae65e281f3 Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
2019-01-19 08:50:56 +00:00
Rafael Espindola
d66fd5d54c Use delegation instead of inheritance.
This changes DwarfContext to delegate to DwarfObject instead of having
pure virtual methods.

With this DwarfContextInMemory is replaced with an implementation of
DwarfObject that is local to a .cpp file.

llvm-svn: 308543
2017-07-19 22:27:28 +00:00
Derek Schuff
92e836cfd2 [WebAssembly] Improve support for WebAssembly binary format
Mostly this change adds support converting to and from
YAML which will allow us to write more test cases for
the WebAssembly MC and lld ports.

Better support for objdump, readelf, and nm will be in
followup CLs.

I had to update the two wasm test binaries because they
used the old style 'name' section which is no longer
supported.

Differential Revision: https://reviews.llvm.org/D31099

Patch by Sam Clegg

llvm-svn: 299101
2017-03-30 19:44:09 +00:00
Chris Bieneman
b3763fa573 [ObjectYAML] Remove DWARF from class names
Since all the DWARF classes are in a DWARFYAML namespace having every class start with DWARF seems like a bit of overkill.

llvm-svn: 289080
2016-12-08 17:46:57 +00:00
Chris Bieneman
a15c9749be [obj2yaml] Refactor and abstract dwarf2yaml
This makes the dwarf2yaml code separated and reusable allowing ELF and COFF to share implementations with MachO.

llvm-svn: 288986
2016-12-07 21:47:28 +00:00
Chris Bieneman
c9778ed077 [obj2yaml] [yaml2obj] Support for MachO Universal binaries
This patch adds round-trip support for MachO Universal binaries to obj2yaml and yaml2obj. Universal binaries have a header and list of architecture structures, followed by a the individual object files at specified offsets.

llvm-svn: 273719
2016-06-24 20:42:28 +00:00
Chris Bieneman
80178ca710 Initial add for MachO support for obj2yaml
Adding the initial files for adding MachO support to obj2yaml. Passing a MachO file will result in a new not_implemented error.

I will be implementing obj2yaml and yaml2obj for MachO in parallel so that one can be used to test the other.

llvm-svn: 269243
2016-05-11 22:07:45 +00:00
Benjamin Kramer
da144ed5a2 Canonicalize header guards into a common format.
Add header guards to files that were missing guards. Remove #endif comments
as they don't seem common in LLVM (we can easily add them back if we decide
they're useful)

Changes made by clang-tidy with minor tweaks.

llvm-svn: 215558
2014-08-13 16:26:38 +00:00
Rafael Espindola
38dc624425 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.

llvm-svn: 210803
2014-06-12 17:38:55 +00:00
Rafael Espindola
53875ad05c Replace llvm::error_code with std::error_code.
llvm-svn: 210783
2014-06-12 14:11:22 +00:00
Simon Atanasyan
9b2d085924 [obj2yaml] Support ELF input format in the obj2yaml tool.
The ELF header e_flags field in the MIPS related test cases handled
incorrectly. The obj2yaml prints too many flags. I will fix that in the
next patches.

The patch reviewed by Michael Spencer and Sean Silva.

llvm-svn: 208752
2014-05-14 05:07:47 +00:00
Simon Atanasyan
3be6b384b7 [obj2yaml] Recognize input file format using llvm::object::ObjectFile
interface methods isCOFF().

The '-coff' command line option has been removed. It was not used in any
test cases.

The patch reviewed by Michael Spencer.

llvm-svn: 208157
2014-05-07 05:18:51 +00:00
Rafael Espindola
e4125c7f32 Remove dead code.
Thanks to Sean Silva for noticing it!

llvm-svn: 183148
2013-06-03 19:42:57 +00:00
Rafael Espindola
dcca0115cb Rename obj2yaml local namespace to avoid conflicts with llvm::yaml.
llvm-svn: 179922
2013-04-20 03:16:59 +00:00
Rafael Espindola
4f841a6205 Fix include guards to match new location.
llvm-svn: 178877
2013-04-05 15:31:16 +00:00
Rafael Espindola
b2b188b238 Move obj2yaml to tools to sort out make's dependencies.
llvm-svn: 178835
2013-04-05 02:57:22 +00:00