| Commit message (Collapse) | Author | Age | Files | Lines |
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This recovers the now "missing" flag as this is controlled by CMake
rather than injected into the user defined flags list. This is
primarily needed by LDC and other out-of-tree users which do not
correctly setup the C++ flags.
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getSectionIndexName was trying to fetch two things at once, which led to
a somewhat tricky to understand interface involving passing output
parameters in, and also made it hard to return Errors further up the
stack.
This change is in preparation for changing the error handling.
Additionally, update a related test now that yaml2obj supports
SHT_SYMTAB_SHNDX properly (see d3963051c490), and add missing LLVM-style
coverage for symbols with shndx SHN_XINDEX. This test (after fixing)
caught a mistake in my first attempt at this patch, hence I'm including
it as part of this patch.
Reviewed by: grimar, MaskRay
Differential Revision: https://reviews.llvm.org/D69670
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This will make planned changes to this code easier to make.
Reviewed by: MaskRay, grimar
Differential Revision: https://reviews.llvm.org/D69669
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* Improve comments.
* Reorder the assignment to Obj.SectionNames before the symbol table
creation code. Add a test.
Reviewed By: grimar
Differential Revision: https://reviews.llvm.org/D69526
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This works around a bug in Debian's patchset for glibc. The bug is
described in detail in the upstream debian bug:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=943798, but the short
version of it is that glibc on any Debian based distro don't load
libraries unless it has a .ARM.attribute section.
Reviewed by: jhenderson, rupprecht, MaskRay, jakehehrlich
Differential Revision: https://reviews.llvm.org/D69188
Patch by Tobias Hieta.
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This adds parsing and dumping support for GNU hash sections.
They are described nicely here: https://blogs.oracle.com/solaris/gnu-hash-elf-sections-v2
Differential revision: https://reviews.llvm.org/D69399
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This updates the elf-invalid-versioning.test test case:
makes a cleanup, adds llvm-readobj calls and fixes 2
crash/assert issues I've found (test cases are provided).
Differential revision: https://reviews.llvm.org/D68705
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Reviewers: alexshap, rupprecht, jdoerfert, jhenderson
Reviewed By: alexshap
Subscribers: jakehehrlich, abrachet, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D66281
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This reverts commit 11c2a85db8849db1a5907e80d9966592248ef825.
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Summary:
Delete the BasicBlockPass and BasicBlockManager, all its dependencies and update documentation.
The BasicBlockManager was improperly tested and found to be potentially broken, and was deprecated as of rL373254.
In light of the switch to the new pass manager coming before the next release, this patch is a first cleanup of the LegacyPassManager.
Reviewers: chandlerc, echristo
Subscribers: mehdi_amini, sanjoy.google, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D69121
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Add a new reducer that drops metadata that does not contribute to the
crash from instructions.
It adjusts the metadata.ll test case, as now also the instruction level
metadata will get dropped.
Reviewers: davide, reames, modocache
Reviewed By: reames
Differential Revision: https://reviews.llvm.org/D69234
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table.
It was revealed by D69260.
Tool crashed when scanned relocations in a object without a symbol table.
This patch teaches it either to handle such objects (when relocations
does not use symbols we do not need a symbol table to proceed)
or to show an appropriate error otherwise.
Differential revision: https://reviews.llvm.org/D69304
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Summary:
Parse the indirect symbol table and update the indexes of
symbol entries in the table in the writer in case they have
been changed.
Reviewers: alexshap, rupprecht, jhenderson
Reviewed By: alexshap, rupprecht
Subscribers: jakehehrlich, abrachet, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D66280
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This fixes:
ld.lld: error: undefined symbol: vtable for llvm::orc::rpc::ResponseAbandoned
>>> referenced by lli.cpp
In -DBUILD_SHARED_LIBS=on builds, all directly referenced references must
be linked to appease -Wl,-z,defs.
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This reverts commit bfed824b57d14e2ba98ddbaf1a1410cf04a3e279, the
included test fails on many bots including the sanitier bots, e.g. in
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fast/builds/36140
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Add the `-whitelist-filename-regex` option to restrict coverage
reporting to file paths that match a whitelist regex.
Patch by Michael Daniels!
rdar://56720320
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Summary:
When createing an ORC remote JIT target the current library split forces the target process to link large portions of LLVM (Core, Execution Engine, JITLink, Object, MC, Passes, RuntimeDyld, Support, Target, and TransformUtils). This occurs because the ORC RPC interfaces rely on the static globals the ORC Error types require, which starts a cycle of pulling in more and more.
This patch breaks the ORC RPC Error implementations out into an "OrcError" library which only depends on LLVM Support. It also pulls the ORC RPC headers into their own subdirectory.
With this patch code can include the Orc/RPC/*.h headers and will only incur link dependencies on LLVMOrcError and LLVMSupport.
Reviewers: lhames
Reviewed By: lhames
Subscribers: mgorny, hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D68732
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In some cases, we fail to reduce the pass list earlier because of
complex pass dependencies, but we can reduce it after we simplified the
reproducer.
An example of that is PR43474, which can limit the crash to
-loop-interchange. Adding a test case would require at least 2
interacting Loop passes I think.
Reviewers: davide, reames, modocache
Reviewed By: reames
Differential Revision: https://reviews.llvm.org/D69236
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Reviewers: alexshap, rupprecht, jdoerfert, jhenderson
Reviewed By: alexshap, rupprecht, jhenderson
Subscribers: mgorny, jakehehrlich, abrachet, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D65541
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Add support for min os version load commands.
Test plan: make check-all
Differential revision: https://reviews.llvm.org/D69419
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Summary:
The variable LLVM_NO_DEAD_STRIP is set in LLVM cmake files when building executables that might make use of plugins .The name of the variable does not convey the actual intended usage (i.e. for use with tools that have plugins), just what the eventual effect of setting in on some (i.e. not garbage collecting unused symbols).
This patch renames it to LLVM_SUPPORT_PLUGINS to convey the intended usage, which will allow subsequent patches to add behavior to support that in different ways without confusion about whether it will do on, for example, non-gnu platforms.
Reviewers: hubert.reinterpretcast, stevewan
Reviewed By: stevewan
Subscribers: cfe-commits, mgorny, llvm-commits
Tags: #llvm, #clang
Differential Revision: https://reviews.llvm.org/D69356
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SHT_NOTE is the section that consists of
namesz, descsz, type, name + padding, desc + padding data.
This patch teaches yaml2obj, obj2yaml to dump and parse them.
This patch implements the section how it is described here:
https://docs.oracle.com/cd/E23824_01/html/819-0690/chapter6-18048.html
Which says: "For 64–bit objects and 32–bit objects, each entry is an array of 4-byte words in
the format of the target processor"
The official specification is different
http://www.sco.com/developers/gabi/latest/ch5.pheader.html#note_section
And says: "n 64-bit objects (files with e_ident[EI_CLASS] equal to ELFCLASS64), each entry is an array
of 8-byte words in the format of the target processor. In 32-bit objects (files with e_ident[EI_CLASS]
equal to ELFCLASS32), each entry is an array of 4-byte words in the format of the target processor"
Since LLVM uses the first, 32-bit way, this patch follows it.
Differential revision: https://reviews.llvm.org/D68983
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This just reorders the code and removes an assignment
of an empty string for the case when a relocation has
no symbol associated. With this our output becomes
cleaner and shorter.
Differential revision: https://reviews.llvm.org/D69255
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MipsMCAsmInfo was using '$' prefix for Mips32 and '.L' for Mips64
regardless of -target-abi option. By passing MCTargetOptions to MCAsmInfo
we can find out Mips ABI and pick appropriate prefix.
Tags: #llvm, #clang, #lldb
Differential Revision: https://reviews.llvm.org/D66795
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Summary:
Reduce include dependencies by no longer including Pass.h from
DataLayout.h. That include seemed irrelevant to DataLayout, as
well as being irrelevant to several users of DataLayout.
Reviewers: rnk
Reviewed By: rnk
Subscribers: mehdi_amini, hiraditya, cfe-commits, llvm-commits
Tags: #clang, #llvm
Differential Revision: https://reviews.llvm.org/D69261
llvm-svn: 375436
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Expected<section_iterator>
It returns just a section_iterator currently and have a report_fatal_error call inside.
This change adds a way to return errors and handle them on caller sides.
The patch also changes/improves current users and adds test cases.
Differential revision: https://reviews.llvm.org/D69167
llvm-svn: 375408
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This patch tries to resolve problems faced in D68943
and uses some of the code written by Konrad Wilhelm Kleine
in that patch.
Previously, yaml2obj tool always created a .symtab section.
This patch changes that. With it we only create it when
have a "Symbols:" tag in the YAML document or when
we need to create it because it is used by another section(s).
obj2yaml follows the new behavior and does not print "Symbols:"
anymore when there is no symbol table.
Differential revision: https://reviews.llvm.org/D69041
llvm-svn: 375361
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Works on this dependency chain:
ArrayRef.h ->
Hashing.h -> --CUT--
Host.h ->
StringMap.h / StringRef.h
ArrayRef is very popular, but Host.h is rarely needed. Move the
IsBigEndianHost constant to SwapByteOrder.h. Clients of that header are
more likely to need it.
llvm-svn: 375316
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MachineInstr.h included AliasAnalysis.h, which includes a world of IR
constructs mostly unneeded in CodeGen. Prune it. Same for
DebugInfoMetadata.h.
Noticed with -ftime-trace.
llvm-svn: 375311
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Summary:
Also changes the wasm YAML format to reflect the possibility of having
multiple return types and to put the returns after the params for
consistency with the binary encoding.
Reviewers: aheejin, sbc100
Subscribers: dschuff, jgravelle-google, hiraditya, sunfish, arphaman, rupprecht, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D69156
llvm-svn: 375283
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llvm-svn: 375214
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NFCI.
llvm-svn: 375213
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section index.
This relands r374931 (reverted in r375088). It fixes 32-bit builds by using the right format string specifier for uint64_t (PRIu64) instead of `%d`.
Original description:
When listing the index in `llvm-objdump -h`, use a zero-based counter instead of the actual section index (e.g. shdr->sh_index for ELF).
While this is effectively a noop for now (except one unit test for XCOFF), the index values will change in a future patch that filters certain sections out (e.g. symbol tables). See D68669 for more context. Note: the test case in `test/tools/llvm-objdump/X86/section-index.s` already covers the case of incrementing the section index counter when sections are skipped.
Reviewers: grimar, jhenderson, espindola
Reviewed By: grimar
Subscribers: emaste, sbc100, arichardson, aheejin, arphaman, seiya, llvm-commits, MaskRay
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D68848
llvm-svn: 375178
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Summary: GNU objcopy accepts the --wildcard flag to allow wildcard matching on symbol-related flags. (Note: it's implicitly true for section flags).
The basic syntax is to allow *, ?, \, and [] which work similarly to how they work in a shell. Additionally, starting a wildcard with ! causes that wildcard to prevent it from matching a flag.
Use an updated GlobPattern in libSupport to handle these patterns. It does not fully match the `fnmatch` used by GNU objcopy since named character classes (e.g. `[[:digit:]]`) are not supported, but this should support most existing use cases (mostly just `*` is what's used anyway).
Reviewers: jhenderson, MaskRay, evgeny777, espindola, alexshap
Reviewed By: MaskRay
Subscribers: nickdesaulniers, emaste, arichardson, hiraditya, jakehehrlich, abrachet, seiya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D66613
llvm-svn: 375169
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Since GNU ar 2.31, the 't' operation prints member offsets beside file
names if the 'O' modifier is specified. 'O' is ignored for thin
archives.
Reviewed By: gbreynoo, ruiu
Differential Revision: https://reviews.llvm.org/D69087
llvm-svn: 375106
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Exposed by D69041. If SHT_SYMTAB does not exist, ELFObjcopy.cpp:handleArgs will crash due
to a null pointer dereference.
for (const NewSymbolInfo &SI : Config.ELF->SymbolsToAdd) {
...
Obj.SymbolTable->addSymbol(
Fix this by creating .symtab and .strtab on demand in ELFBuilder<ELFT>::readSections,
if --add-symbol is specified.
Reviewed By: grimar
Differential Revision: https://reviews.llvm.org/D69093
llvm-svn: 375105
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Our LLVM-style output was inconsistent.
This patch changes the output in the following way:
SHT_GNU_verdef { -> VersionDefinitions [
SHT_GNU_verneed { -> VersionRequirements [
Version symbols [ -> VersionSymbols [
EH_FRAME Header [ -> EHFrameHeader {
Differential revision: https://reviews.llvm.org/D68636
llvm-svn: 375095
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the section index."
This broke llvm-objdump in 32-bit builds, see e.g.
http://lab.llvm.org:8011/builders/clang-cmake-armv7-quick/builds/10925
> Summary:
> When listing the index in `llvm-objdump -h`, use a zero-based counter instead of the actual section index (e.g. shdr->sh_index for ELF).
>
> While this is effectively a noop for now (except one unit test for XCOFF), the index values will change in a future patch that filters certain sections out (e.g. symbol tables). See D68669 for more context. Note: the test case in `test/tools/llvm-objdump/X86/section-index.s` already covers the case of incrementing the section index counter when sections are skipped.
>
> Reviewers: grimar, jhenderson, espindola
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> Reviewed By: grimar
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> Subscribers: emaste, sbc100, arichardson, aheejin, arphaman, seiya, llvm-commits, MaskRay
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> Tags: #llvm
>
> Differential Revision: https://reviews.llvm.org/D68848
llvm-svn: 375088
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llvm-svn: 375082
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After changing dsymutil to use libOption, we lost error reporting for
missing required arguments (input files). Additionally, we stopped
complaining about unknown arguments. This patch fixes both and adds a
test.
llvm-svn: 375044
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Summary: Also update the help modifier (h) so that it works as a modifier and not just as a standalone `h`. For example, `llvm-ar h` prints the help message, but `llvm-ar xh` currently prints `unknown option h`.
Reviewers: MaskRay, gbreynoo
Subscribers: llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D69007
llvm-svn: 375028
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When on windows gnu-ar treats member names as case insensitive. This
commit implements the same behaviour.
Differential Revision: https://reviews.llvm.org/D68033
llvm-svn: 375002
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Since r374600 clang emits base address selection entries. Currently
dsymutil does not support these entries and incorrectly interprets them
as location list entries.
This patch adds support for base address selection entries in dsymutil
and makes sure they are relocated correctly.
Thanks to Dave for coming up with the test case!
Differential revision: https://reviews.llvm.org/D69005
llvm-svn: 374957
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Summary:
Parsing the relocation entry information for 32-bit xcoff object file
including deal with the relocation overflow.
Reviewers: hubert.reinterpretcast, jasonliu, sfertile, xingxue.
Subscribers: hiraditya, rupprecht, seiya
Differential Revision: https://reviews.llvm.org/D67008
llvm-svn: 374946
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Add missing cast (to correctly sum 32-bit integers).
Test plan: make check-all
llvm-svn: 374945
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SUMMARY:
in the xcoff, if the number of relocation entries or line number entries is
overflow(large than or equal 65535) , there will be overflow section for it.
The interpret of overflow section is different with generic section header,
the patch implement parsing the overflow section.
Reviewers: hubert.reinterpretcast,sfertile,jasonliu
Subscribers: rupprecht, seiya
Differential Revision: https://reviews.llvm.org/D68575
llvm-svn: 374941
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Summary:
Renames `ExprType` to the more apt `BlockType` and adds a variant for
multivalue blocks. Currently non-void blocks are only generated at the
end of functions where the block return type needs to agree with the
function return type, and that remains true for multivalue
blocks. That invariant means that the actual signature does not need
to be stored in the block signature `MachineOperand` because it can be
inferred by `WebAssemblyMCInstLower` from the return type of the
parent function. `WebAssemblyMCInstLower` continues to lower block
signature operands to immediates when possible but lowers multivalue
signatures to function type symbols. The AsmParser and Disassembler
are updated to handle multivalue block types as well.
Reviewers: aheejin, dschuff, aardappel
Subscribers: sbc100, jgravelle-google, hiraditya, sunfish, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D68889
llvm-svn: 374933
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Summary:
When listing the index in `llvm-objdump -h`, use a zero-based counter instead of the actual section index (e.g. shdr->sh_index for ELF).
While this is effectively a noop for now (except one unit test for XCOFF), the index values will change in a future patch that filters certain sections out (e.g. symbol tables). See D68669 for more context. Note: the test case in `test/tools/llvm-objdump/X86/section-index.s` already covers the case of incrementing the section index counter when sections are skipped.
Reviewers: grimar, jhenderson, espindola
Reviewed By: grimar
Subscribers: emaste, sbc100, arichardson, aheejin, arphaman, seiya, llvm-commits, MaskRay
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D68848
llvm-svn: 374931
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