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8a29657f4c
When a Swift program crashes, we should catch the crash and execute the external backtracer. rdar://105391747
95 lines
3.7 KiB
C++
95 lines
3.7 KiB
C++
//===--- EnvironmentVariables.def - Debug variables. ------------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines x-macros used for metaprogramming with the set of
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// environment variables used for configuring or enabling debug features in the
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// runtime.
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//
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//===----------------------------------------------------------------------===//
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// #define VARIABLE(name, type, defaultValue, help)
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#ifndef VARIABLE
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#error "Must define VARIABLE to include EnvironmentVariables.def"
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#endif
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VARIABLE(SWIFT_DEBUG_ENABLE_METADATA_ALLOCATION_ITERATION, bool, false,
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"Enable additional metadata allocation tracking for swift-inspect to "
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"use.")
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VARIABLE(SWIFT_DEBUG_ENABLE_METADATA_BACKTRACE_LOGGING, bool, false,
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"Enable logging of backtraces for each metadata allocation. Requires "
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"SWIFT_DEBUG_ENABLE_METADATA_ALLOCATION_ITERATION to be enabled.")
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VARIABLE(SWIFT_DEBUG_IMPLICIT_OBJC_ENTRYPOINT, uint8_t, 2,
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"Print warnings when using implicit @objc entrypoints. Set to "
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"desired reporting level, 0-3.")
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VARIABLE(SWIFT_DETERMINISTIC_HASHING, bool, false,
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"Disable randomized hash seeding.")
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VARIABLE(SWIFT_ENABLE_MANGLED_NAME_VERIFICATION, bool, false,
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"Enable verification that metadata can roundtrip through a mangled "
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"name each time metadata is instantiated.")
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VARIABLE(SWIFT_DEBUG_ENABLE_MALLOC_SCRIBBLE, bool, false,
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"Scribble on runtime allocations such as metadata allocations.")
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VARIABLE(SWIFT_DEBUG_ENABLE_COW_CHECKS, bool, false,
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"Enable internal checks for copy-on-write operations.")
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VARIABLE(SWIFT_ENABLE_ASYNC_JOB_DISPATCH_INTEGRATION, bool, true,
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"Enable use of dispatch_async_swift_job when available.")
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VARIABLE(SWIFT_DEBUG_VALIDATE_UNCHECKED_CONTINUATIONS, bool, false,
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"Check for and error on double-calls of unchecked continuations.")
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#if defined(__APPLE__) && defined(__MACH__)
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VARIABLE(SWIFT_DEBUG_VALIDATE_SHARED_CACHE_PROTOCOL_CONFORMANCES, bool, false,
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"Validate shared cache protocol conformance results against the "
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"lists of conformances in the shared cache images.")
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VARIABLE(SWIFT_DEBUG_ENABLE_SHARED_CACHE_PROTOCOL_CONFORMANCES, bool, true,
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"Enable querying precomputed protocol conformances in the shared "
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"cache.")
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#endif
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VARIABLE(SWIFT_DEBUG_CONCURRENCY_ENABLE_COOPERATIVE_QUEUES, bool, true,
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"Enable dispatch cooperative queues in the global executor.")
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#ifndef NDEBUG
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VARIABLE(SWIFT_DEBUG_RUNTIME_EXCLUSIVITY_LOGGING, bool, false,
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"Enable the an asserts runtime to emit logging as it works.")
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#endif
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VARIABLE(SWIFT_BINARY_COMPATIBILITY_VERSION, uint32_t, 0,
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"Set the binary compatibility level of the Swift Standard Library")
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VARIABLE(SWIFT_DEBUG_FAILED_TYPE_LOOKUP, bool, false,
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"Enable warnings when we fail to look up a type by name.")
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VARIABLE(SWIFT_ROOT, string, "",
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"Overrides the root directory of the Swift installation. "
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"This is used to locate auxiliary files relative to the runtime "
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"itself.")
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VARIABLE(SWIFT_BACKTRACE, string, "",
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"A comma-separated list of key=value pairs that controls the "
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"crash catching and backtracing support in the runtime. "
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"See docs/Backtracing.rst in the Swift repository for details.")
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#undef VARIABLE
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