ac2226b0f5
Handle PDB writing errors like any other error in LLD: emit an error and
continue. This allows the linker to print timing data and summary data
after linking, which can be helpful for finding PDB size problems. Also
report how large the file would have been.
Example output:
lld-link: error: Output data is larger than 4 GiB. File size would have been 6,937,108,480
lld-link: error: failed to write PDB file ./chrome.dll.pdb
Summary
--------------------------------------------------------------------------------
33282 Input OBJ files (expanded from all cmd-line inputs)
4 PDB type server dependencies
0 Precomp OBJ dependencies
33396931 Input type records
... snip ...
Input File Reading: 59756 ms ( 45.5%)
GC: 7500 ms ( 5.7%)
ICF: 3336 ms ( 2.5%)
Code Layout: 6329 ms ( 4.8%)
PDB Emission (Cumulative): 46192 ms ( 35.2%)
Add Objects: 27609 ms ( 21.0%)
Type Merging: 16740 ms ( 12.8%)
Symbol Merging: 10761 ms ( 8.2%)
Publics Stream Layout: 9383 ms ( 7.1%)
TPI Stream Layout: 1678 ms ( 1.3%)
Commit to Disk: 3461 ms ( 2.6%)
--------------------------------------------------
Total Link Time: 131244 ms (100.0%)
Differential Revision: https://reviews.llvm.org/D102713
50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
//===- MSFError.cpp - Error extensions for MSF files ------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/DebugInfo/MSF/MSFError.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/ManagedStatic.h"
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using namespace llvm;
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using namespace llvm::msf;
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namespace {
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// FIXME: This class is only here to support the transition to llvm::Error. It
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// will be removed once this transition is complete. Clients should prefer to
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// deal with the Error value directly, rather than converting to error_code.
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class MSFErrorCategory : public std::error_category {
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public:
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const char *name() const noexcept override { return "llvm.msf"; }
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std::string message(int Condition) const override {
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switch (static_cast<msf_error_code>(Condition)) {
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case msf_error_code::unspecified:
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return "An unknown error has occurred.";
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case msf_error_code::insufficient_buffer:
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return "The buffer is not large enough to read the requested number of "
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"bytes.";
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case msf_error_code::size_overflow:
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return "Output data is larger than 4 GiB.";
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case msf_error_code::not_writable:
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return "The specified stream is not writable.";
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case msf_error_code::no_stream:
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return "The specified stream does not exist.";
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case msf_error_code::invalid_format:
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return "The data is in an unexpected format.";
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case msf_error_code::block_in_use:
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return "The block is already in use.";
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}
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llvm_unreachable("Unrecognized msf_error_code");
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}
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};
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} // namespace
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static llvm::ManagedStatic<MSFErrorCategory> MSFCategory;
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const std::error_category &llvm::msf::MSFErrCategory() { return *MSFCategory; }
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char MSFError::ID;
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