As discussed on llvm-dev I've implemented the first basic steps towards
llvm-objcopy/llvm-objtool (name pending).
This change adds the ability to copy (without modification) 64-bit
little endian ELF executables that have SHT_PROGBITS, SHT_NOBITS,
SHT_NULL and SHT_STRTAB sections.
Patch by Jake Ehrlich
Differential Revision: https://reviews.llvm.org/D33964
llvm-svn: 309249
Summary:
Bash interperets the '?' character as matching an arbitrary character.
On systems that have a file or directory with exactly one character in
their root directory, '/?' gets reinterpreted into that pathname, which
fails to match the expected Help text for llvm-rc.
This patch quotes the '/?' to avoid that edge case.
Reviewers: mnbvmar, ecbeckmann, rnk
Reviewed By: rnk
Subscribers: dyung, ruiu, llvm-commits
Differential Revision: https://reviews.llvm.org/D35852
llvm-svn: 309133
This is needed, among others, to respect --section-ordering-file
with LTO. I'll follow up with a similar change for data sections.
I hope every version of gold available on the bots has support for
--section-ordering file.
llvm-svn: 309056
Summary:
Does a simple merge, where mergeable elements are combined, all others
are appended. Does not apply trickly namespace rules.
Subscribers: llvm-commits, hiraditya
Differential Revision: https://reviews.llvm.org/D35753
llvm-svn: 309047
As discussed on llvm-dev I've implemented the first basic steps towards
llvm-objcopy/llvm-objtool (name pending).
This change adds the ability to copy (without modification) 64-bit
little endian ELF executables that have SHT_PROGBITS, SHT_NOBITS,
SHT_NULL and SHT_STRTAB sections.
Patch by Jake Ehrlich
Differential Revision: https://reviews.llvm.org/D33964
llvm-svn: 309032
Summary:
ELF linkers generate __start_<secname> and __stop_<secname> symbols
when there is a value in a section <secname> where the name is a valid
C identifier. If dead stripping determines that the values declared
in section <secname> are dead, and we then internalize (and delete)
such a symbol, programs that reference the corresponding start and end
section symbols will get undefined reference linking errors.
To fix this, add the section name to the IRSymtab entry when a symbol is
defined in a specific section. Then use this in the gold-plugin to mark
the symbol as external and visible from outside the summary when the
section name is a valid C identifier.
Reviewers: pcc
Subscribers: mehdi_amini, inglorion, eraman, llvm-commits
Differential Revision: https://reviews.llvm.org/D35639
llvm-svn: 309009
This starts the development on one of MS Visual Studio binutils,
Resource Converter. The tool compiles resource scripts (.rc)
into binary resource files (.res).
The current implementation does nothing but parse the command
line arguments. It is going to be extended in the future.
Differential Revision: https://reviews.llvm.org/D35810
llvm-svn: 308940
As discussed on llvm-dev I've implemented the first basic steps towards
llvm-objcopy/llvm-objtool (name pending).
This change adds the ability to copy (without modification) 64-bit
little endian ELF executables that have SHT_PROGBITS, SHT_NOBITS,
SHT_NULL and SHT_STRTAB sections.
Patch by Jake Ehrlich
Differential Revision: https://reviews.llvm.org/D33964
llvm-svn: 308821
As discussed on llvm-dev I've implemented the first basic steps towards
llvm-objcopy/llvm-objtool (name pending).
This change adds the ability to copy (without modification) 64-bit
little endian ELF executables that have SHT_PROGBITS, SHT_NOBITS,
SHT_NULL and SHT_STRTAB sections.
Patch by Jake Ehrlich
Differential Revision: https://reviews.llvm.org/D33964
llvm-svn: 308803
This patch teaches dsymutil to strip types from the imported
DW_TAG_module inside of an object file (not inside the PCM) if they
can be resolved to the full definition inside the PCM. This reduces
the size of the .dSYM from WebCore from webkit.org by almost 2/3.
<rdar://problem/33047213>
llvm-svn: 308710
lld needs a matching change for this will be my next commit.
Expect it to fail build until that matching commit is picked up by the bots.
Like the changes in r296527 for dyld bind entires and the changes in
r298883 for lazy bind, weak bind and rebase entries the export
entries are the last of the dyld compact info to have error handling added.
This follows the model of iterators that can fail that Lang Hanes
designed when fixing the problem for bad archives r275316 (or r275361).
So that iterating through the exports now terminates if there is an error
and returns an llvm::Error with an error message in all cases for malformed
input.
This change provides the plumbing for the error handling, all the needed
testing of error conditions and test cases for all of the unique error messages.
llvm-svn: 308690
Summary: Implement parsing and writing of a single xml manifest file.
Subscribers: mgorny, llvm-commits, hiraditya
Differential Revision: https://reviews.llvm.org/D35425
llvm-svn: 308679
SUMMARY
This patch adds a verification check on the abbreviation declarations in the .debug_abbrev section.
The check makes sure that no abbreviation declaration has more than one attributes with the same name.
Differential Revision: https://reviews.llvm.org/D35643
llvm-svn: 308579
As discussed on llvm-dev I've implemented the first basic steps towards
llvm-objcopy/llvm-objtool (name pending).
This change adds the ability to copy (without modification) 64-bit
little endian ELF executables that have SHT_PROGBITS, SHT_NOBITS,
SHT_NULL and SHT_STRTAB sections.
Patch by Jake Ehrlich
Differential Revision: https://reviews.llvm.org/D33964
llvm-svn: 308559
This change adds basic support for program headers.
I need to do some testing which requires generating program headers but
I can't use ld.lld or clang to produce programs that have headers. I'd
also like to test some strange things that those programs may never
produce.
Patch by Jake Ehrlich
Differential Revision: https://reviews.llvm.org/D35276
llvm-svn: 308520
Install an llvm-readelf symlink to llvm-readobj.
When invoked as *readelf*, default to -elf-output-style=GNU.
Patch by Roland McGrath
Differential Revision: https://reviews.llvm.org/D33869
llvm-svn: 308408
Accept and ignore --wide/-W. In GNU readelf this switch is
necessary to get the output format that's consistent between
32-bit and 64-bit targets. llvm-readobj always produces that
output format.
Patch by Roland McGrath
Differential Revision: https://reviews.llvm.org/D33873
llvm-svn: 308396
In GNU readelf, the short option for --sections is upper-case -S.
Note that GNU uses lower-case -s to mean --symbols, while LLVM
uses -s to mean --sections and -t to mean --symbols (-t has yet a
different meaning in GNU). So command-line uses with -S can now
be compatible, but uses with -s or -t are still incompatible.
Patch by Roland McGrath
Differential Revision: https://reviews.llvm.org/D33872
llvm-svn: 308392
Summary:
This patch modifies the handleDebugInfo() function so that we verify the contents of each unit
in the .debug_info section only if its header has been successfully verified.
This change will allow for more/different verification checks depending on the type of the unit since from
dwarf5, the .debug_info section may consist of different types of units.
Subscribers: aprantl
Differential Revision: https://reviews.llvm.org/D35521
llvm-svn: 308245
Summary:
This is the first patch towards creating the llvm-mt tool for merging
Windows manifests. This is a reimplementation of mt.exe.
Reviewers: zturner, ruiu, rnk
Subscribers: llvm-commits, mgorny
Differential Revision: https://reviews.llvm.org/D35333
llvm-svn: 308224
Nothing special here, output format is similar to the format
used by binutils readelf and ELF Tool Chain readelf.
Differential revision: https://reviews.llvm.org/D35351
llvm-svn: 308033
Spyridoula Gravani