2016-01-22 00:19:23 +01:00
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[package]
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authors = ["The Rust Project Developers"]
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name = "std"
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version = "0.0.0"
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build = "build.rs"
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[lib]
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name = "std"
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path = "lib.rs"
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crate-type = ["dylib", "rlib"]
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[dependencies]
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alloc = { path = "../liballoc" }
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alloc_jemalloc = { path = "../liballoc_jemalloc", optional = true }
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alloc_system = { path = "../liballoc_system" }
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2016-11-24 03:49:54 +01:00
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panic_unwind = { path = "../libpanic_unwind", optional = true }
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rustc: Implement custom panic runtimes
This commit is an implementation of [RFC 1513] which allows applications to
alter the behavior of panics at compile time. A new compiler flag, `-C panic`,
is added and accepts the values `unwind` or `panic`, with the default being
`unwind`. This model affects how code is generated for the local crate, skipping
generation of landing pads with `-C panic=abort`.
[RFC 1513]: https://github.com/rust-lang/rfcs/blob/master/text/1513-less-unwinding.md
Panic implementations are then provided by crates tagged with
`#![panic_runtime]` and lazily required by crates with
`#![needs_panic_runtime]`. The panic strategy (`-C panic` value) of the panic
runtime must match the final product, and if the panic strategy is not `abort`
then the entire DAG must have the same panic strategy.
With the `-C panic=abort` strategy, users can expect a stable method to disable
generation of landing pads, improving optimization in niche scenarios,
decreasing compile time, and decreasing output binary size. With the `-C
panic=unwind` strategy users can expect the existing ability to isolate failure
in Rust code from the outside world.
Organizationally, this commit dismantles the `sys_common::unwind` module in
favor of some bits moving part of it to `libpanic_unwind` and the rest into the
`panicking` module in libstd. The custom panic runtime support is pretty similar
to the custom allocator support with the only major difference being how the
panic runtime is injected (takes the `-C panic` flag into account).
2016-04-09 01:18:40 +02:00
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panic_abort = { path = "../libpanic_abort" }
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2016-01-22 00:19:23 +01:00
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collections = { path = "../libcollections" }
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core = { path = "../libcore" }
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libc = { path = "../rustc/libc_shim" }
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rand = { path = "../librand" }
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2016-07-25 04:42:11 +02:00
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compiler_builtins = { path = "../libcompiler_builtins" }
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2016-11-29 20:38:08 +01:00
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std_unicode = { path = "../libstd_unicode" }
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rustc: Implement custom panic runtimes
This commit is an implementation of [RFC 1513] which allows applications to
alter the behavior of panics at compile time. A new compiler flag, `-C panic`,
is added and accepts the values `unwind` or `panic`, with the default being
`unwind`. This model affects how code is generated for the local crate, skipping
generation of landing pads with `-C panic=abort`.
[RFC 1513]: https://github.com/rust-lang/rfcs/blob/master/text/1513-less-unwinding.md
Panic implementations are then provided by crates tagged with
`#![panic_runtime]` and lazily required by crates with
`#![needs_panic_runtime]`. The panic strategy (`-C panic` value) of the panic
runtime must match the final product, and if the panic strategy is not `abort`
then the entire DAG must have the same panic strategy.
With the `-C panic=abort` strategy, users can expect a stable method to disable
generation of landing pads, improving optimization in niche scenarios,
decreasing compile time, and decreasing output binary size. With the `-C
panic=unwind` strategy users can expect the existing ability to isolate failure
in Rust code from the outside world.
Organizationally, this commit dismantles the `sys_common::unwind` module in
favor of some bits moving part of it to `libpanic_unwind` and the rest into the
`panicking` module in libstd. The custom panic runtime support is pretty similar
to the custom allocator support with the only major difference being how the
panic runtime is injected (takes the `-C panic` flag into account).
2016-04-09 01:18:40 +02:00
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unwind = { path = "../libunwind" }
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2016-01-22 00:19:23 +01:00
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2016-12-30 05:28:11 +01:00
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[target.x86_64-unknown-linux-gnu.dependencies]
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rustc_asan = { path = "../librustc_asan", optional = true }
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rustc_lsan = { path = "../librustc_lsan", optional = true }
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rustc_msan = { path = "../librustc_msan", optional = true }
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rustc_tsan = { path = "../librustc_tsan", optional = true }
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2016-01-22 00:19:23 +01:00
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[build-dependencies]
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build_helper = { path = "../build_helper" }
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2016-04-28 03:02:31 +02:00
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gcc = "0.3.27"
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2016-01-22 00:19:23 +01:00
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[features]
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2016-12-30 05:28:11 +01:00
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asan = ["rustc_asan"]
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2016-07-26 22:21:25 +02:00
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backtrace = []
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2016-01-22 00:19:23 +01:00
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debug-jemalloc = ["alloc_jemalloc/debug"]
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2016-11-24 03:49:54 +01:00
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jemalloc = ["alloc_jemalloc"]
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2017-01-15 23:33:58 +01:00
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force_alloc_system = []
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2016-12-30 05:28:11 +01:00
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lsan = ["rustc_lsan"]
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msan = ["rustc_msan"]
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2016-11-24 03:49:54 +01:00
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panic-unwind = ["panic_unwind"]
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2016-12-30 05:28:11 +01:00
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tsan = ["rustc_tsan"]
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