As noted by Adrian on llvm-commits, PrintHTMLEscaped and PrintEscaped in
StringExtras did not conform to the LLVM coding guidelines. This commit
rectifies that.
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When printing string in the Plist, we weren't escaping the characters
which lead to invalid XML. This patch adds the escape logic to
StringExtras.
rdar://39785334
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This commit adds a color category so tools can document this option and
enables it for dwarfdump and dsymuttil.
rdar://problem/40498996
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Create convenience functions for printing error, warning and note to
stdout. Previously we had similar functions being used in dsymutil, but
given that this pattern is so common it makes sense to make it available
globally.
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We have a few functions that virtually all command wants to run on
process startup/shutdown. This patch adds InitLLVM class to do that
all at once, so that we don't need to copy-n-paste boilerplate code
to each llvm command's main() function.
Differential Revision: https://reviews.llvm.org/D45602
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The DwarfLinker can have some very deep recursion that can max out the
(significantly smaller) stack when using threads. We don't want this
limitation when we only have a single thread. We already have this
workaround for the architecture-related threading. This patch applies
the same workaround to the parallel analysis and cloning.
Differential revision: https://reviews.llvm.org/D45172
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When running dsymutil as part of your build system, it can be desirable
for warnings to be part of the end product, rather than just being
emitted to the output stream. This patch upstreams that functionality.
Differential revision: https://reviews.llvm.org/D44639
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This is a follow-up to r327137 where we unified error handling for the
DwarfLinker. This replaces calls to errs() and outs() with the
appropriate ostream wrapper everywhere in dsymutil.
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When processing a dSYM bundle, use llvm::sys::path to join the different
path components instead of using a string with hard coded forward
slashes as separators.
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This commit attempts to re-land the r324480 which was reverted in
r324493 because it broke the Windows bots. For now I disabled the two
update tests on Windows until I'm able to debug this.
Differential revision: https://reviews.llvm.org/D42880
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Now that dsymutil can generate accelerator tables, we can upstream the
update logic that, as the name implies, updates the accelerator tables
in an existing dSYM bundle. In combination with `-minimize` this can be
used to remove redundant .debug_(inlines|pubtypes|pubnames).
Differential revision: https://reviews.llvm.org/D42880
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Passing -minimize to dsymutil prevents the emission of .debug_inlines,
.debug_pubnames, and .debug_pubtypes in favor of the Apple accelerator
tables.
The actual check in the DWARF linker was added in r323655. This patch
simply enables it.
Differential revision: https://reviews.llvm.org/D42688
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Threading was disabled in r317263 because it broke a test in combination
with `-DLLVM_ENABLE_THREADS=OFF`. This was because a ThreadPool warning
was piped to llvm-dwarfdump which was expecting to read an object from
stdin.
This patch re-enables threading and fixes the offending test.
Unfortunately this required more than just moving the ThreadPool out of
the for loop because of the TempFile refactoring that took place in the
meantime.
Differential revision: https://reviews.llvm.org/D41180
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This patch adds support for running the DWARF verifier on the linked
debug info files. If the -verify options is specified and verification
fails, dsymutil exists with abort with non-zero exit code. This behavior
is *not* enabled by default.
Differential revision: https://reviews.llvm.org/D40777
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This patch implements `getBundleInfo`, which uses CoreFoundation to
obtain information about the CFBundle. This information is needed to
populate the Plist in the dSYM bundle.
This change only applies to darwin and is an NFC as far as other
platforms are concerned.
Differential revision: https://reviews.llvm.org/D40244
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The objective is to remove it completelly.
This first patch removes the last use outside dsymutil.cpp and makes
it static.
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This moves the file handling out of DwarfLinker.cpp.
This fixes what is at least an oddity if not a bug. DwarfLinker.cpp
was using ToolOutputFile, which uses RemoveFileOnSignal. The issue is
that dsymutil.cpp uses that too. It is now clear from the interface
that only dsymutil.cpp is responsible for creating and deleting files.
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This makes the command line options consistent with llvm-cov and
llvm-profdata, which both use `-num-threads` and `-j`.
This also addresses the conflict reported after landing D39355.
Differential revision: https://reviews.llvm.org/D39496
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This patch adds the --threads option to dsymutil to process
architectures in parallel. The feature is already present in the version
distributed with Xcode, but was not yet upstreamed.
This is NFC as far as the linking behavior is concerned. As threads are
used automatically, the current tests cover the change in
implementation.
Differential revision: https://reviews.llvm.org/D39355
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This patch adds timestamp verification for swiftmodule files.
- A new flag is provided to allows us to continue testing of the code
for embedding the__swift_ast. (git doesn't maintain timestamps)
- Adds a new test for fat (arm) binaries.
Differential revision: https://reviews.llvm.org/D38686
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Most callers were not expecting the exit(0) and trying to exit with a
different value.
This also adds back the call to cl::PrintHelpMessage in llvm-ar.
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looking for it along $PATH. This allows installs of LLVM tools outside of
$PATH to find the symbolizer and produce pretty backtraces if they crash.
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llvm-dsymutil used to create the temporary files in the output directory.
This works fine except when the output directory contains a '%' char, which
is then replaced by llvm::sys::fs::createUniqueFile() generating an invalid
path.
Just use the default temp dir for those files.
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Even if we don't have it in PATH, lipo should usually exist in the same directory
as dsymutil. Keep the fallback looking up the PATH, it's very useful when
testing a non-installed executable.
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This option dumps the STAB entries that define the debug map(s)
stored in the input binaries, and then exits.
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There was an issue in the test setup because the test requires an arch that
wasn't filtered by the lit.local.cfg, but given the set of bots that failed,
I'm not confident this is the (only) issue. So this commit also adds more
output to the test to help me track down the failure if it happens again.
Original commit message:
[dsymutil] Rewrite thumb triple names in user visible messages.
We autodetect triples from the input file(s) while reading the mach-o debug map.
As we need to create a Target from those triples, we always chose the thumb
variant (because the arm variant might not be 'instantiable' eg armv7m). The
user visible architecture names should still be 'arm' and not 'thumb' variants
though.
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This reverts commit r245960.
Multiple bots are failing on the new test. It seemd like llvm-dsymutil exits with an error. Investigating.
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We autodetect triples from the input file(s) while reading the mach-o debug map.
As we need to create a Target from those triples, we always chose the thumb
variant (because the arm variant might not be 'instantiable' eg armv7m). The
user visible architecture names should still be 'arm' and not 'thumb' variants
though.
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A dSYM bundle is a file hierarchy that looks slike this:
<bundle name>.dSYM/
Contents/
Info.plist
Resources/
DWARF/
<DWARF file(s)>
This is the default output mode of dsymutil.
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dsymutil should by default generate dSYM bundles which are filesystem
hierarchies containing the debug info and an additional Info.plist.
Currently llvm-dsymutil emits raw binaries containing the debug info.
This is what we call the 'flat mode'. Add a -f/-flat option that is
supposed to enable that flat mode, but don't wire it for now, only
pass it to the tests that will need it to stay functional once we
do bundle generation by default.
This basically makes this commit NFC and removes the noise from the
actual commit that adds support for bundle generation.
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The files were never written to and then deleted, but they were created
nonetheless. To prevent that, create a wrapper around the 2 variants of
createUniqueFile and use the one that only does an access(Exists) call
to check for name unicity in -no-output mode.
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This option allows to select a subset of the architectures when
performing a universal binary link. The filter is done completely
in the mach-o specific part of the code.
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The DWARF linker isn't touched by this, the implementation links
individual files and merges them together into a fat binary by
calling out to the 'lipo' utility.
The main change is that the MachODebugMapParser can now return
multiple debug maps for a single binary.
The test just verifies that lipo would be invoked correctly, but
doesn't actually generate a binary. This mimics the way clang
tests its external iplatform tools integration.
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llvm-dsymutil will start creating temporary files in a followup
commit. To ease the correct cleanup of this files, introduce a
helper called to exit dsymutil.
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Prevent all the unrelated LLVM options to appear in the -help output
by introducing a tool specific option category. As a drive-by improve
the wording of the help message.
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