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Revert "std: Switch from libbacktrace to gimli"

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This reverts commit 13db3cc1e8.
This commit is contained in:
Mark Rousskov 2020-07-21 21:41:47 -04:00
parent 3c6003c4c0
commit cc4f547cf4
13 changed files with 55 additions and 108 deletions
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3
.gitmodules vendored
View File

@ -44,6 +44,3 @@
[submodule "src/tools/rust-analyzer"]
path = src/tools/rust-analyzer
url = https://github.com/rust-analyzer/rust-analyzer.git
[submodule "src/backtrace"]
path = src/backtrace
url = https://github.com/rust-lang/backtrace-rs.git

88
Cargo.lock
View File

@ -1,26 +1,10 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
[[package]]
name = "addr2line"
version = "0.13.0"
name = "adler32"
version = "1.0.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1b6a2d3371669ab3ca9797670853d61402b03d0b4b9ebf33d677dfa720203072"
dependencies = [
"compiler_builtins",
"gimli",
"rustc-std-workspace-alloc",
"rustc-std-workspace-core",
]
[[package]]
name = "adler"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ccc9a9dd069569f212bc4330af9f17c4afb5e8ce185e83dbb14f1349dda18b10"
dependencies = [
"compiler_builtins",
"rustc-std-workspace-core",
]
checksum = "7e522997b529f05601e05166c07ed17789691f562762c7f3b987263d2dedee5c"
[[package]]
name = "aho-corasick"
@ -141,14 +125,28 @@ checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
[[package]]
name = "backtrace"
version = "0.3.50"
version = "0.3.46"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b1e692897359247cc6bb902933361652380af0f1b7651ae5c5013407f30e109e"
dependencies = [
"addr2line",
"backtrace-sys",
"cfg-if",
"compiler_builtins",
"libc",
"miniz_oxide",
"object",
"rustc-demangle",
"rustc-std-workspace-core",
]
[[package]]
name = "backtrace-sys"
version = "0.1.37"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "18fbebbe1c9d1f383a9cc7e8ccdb471b91c8d024ee9c2ca5b5346121fe8b4399"
dependencies = [
"cc",
"compiler_builtins",
"libc",
"rustc-std-workspace-core",
]
[[package]]
@ -690,9 +688,9 @@ dependencies = [
[[package]]
name = "crc32fast"
version = "1.2.0"
version = "1.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ba125de2af0df55319f41944744ad91c71113bf74a4646efff39afe1f6842db1"
checksum = "e91d5240c6975ef33aeb5f148f35275c25eda8e8a5f95abe421978b05b8bf192"
dependencies = [
"cfg-if",
]
@ -1025,9 +1023,9 @@ checksum = "37ab347416e802de484e4d03c7316c48f1ecb56574dfd4a46a80f173ce1de04d"
[[package]]
name = "flate2"
version = "1.0.16"
version = "1.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "68c90b0fc46cf89d227cc78b40e494ff81287a92dd07631e5af0d06fe3cf885e"
checksum = "ad3c5233c9a940c8719031b423d7e6c16af66e031cb0420b0896f5245bf181d3"
dependencies = [
"cfg-if",
"crc32fast",
@ -1161,17 +1159,6 @@ dependencies = [
"wasi",
]
[[package]]
name = "gimli"
version = "0.22.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "aaf91faf136cb47367fa430cd46e37a788775e7fa104f8b4bcb3861dc389b724"
dependencies = [
"compiler_builtins",
"rustc-std-workspace-alloc",
"rustc-std-workspace-core",
]
[[package]]
name = "git2"
version = "0.13.5"
@ -1832,14 +1819,11 @@ dependencies = [
[[package]]
name = "miniz_oxide"
version = "0.4.0"
version = "0.3.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "be0f75932c1f6cfae3c04000e40114adf955636e19040f9c0a2c380702aa1c7f"
checksum = "6f3f74f726ae935c3f514300cc6773a0c9492abc5e972d42ba0c0ebb88757625"
dependencies = [
"adler",
"compiler_builtins",
"rustc-std-workspace-alloc",
"rustc-std-workspace-core",
"adler32",
]
[[package]]
@ -1971,17 +1955,6 @@ dependencies = [
"libc",
]
[[package]]
name = "object"
version = "0.20.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1ab52be62400ca80aa00285d25253d7f7c437b7375c4de678f5405d3afe82ca5"
dependencies = [
"compiler_builtins",
"rustc-std-workspace-alloc",
"rustc-std-workspace-core",
]
[[package]]
name = "once_cell"
version = "1.1.0"
@ -4373,8 +4346,8 @@ dependencies = [
name = "std"
version = "0.0.0"
dependencies = [
"addr2line",
"alloc",
"backtrace",
"cfg-if",
"compiler_builtins",
"core",
@ -4383,13 +4356,10 @@ dependencies = [
"hashbrown",
"hermit-abi",
"libc",
"miniz_oxide",
"object",
"panic_abort",
"panic_unwind",
"profiler_builtins",
"rand 0.7.3",
"rustc-demangle",
"unwind",
"wasi",
]

6
Cargo.toml
View File

@ -80,11 +80,5 @@ rustc-std-workspace-core = { path = 'src/tools/rustc-std-workspace-core' }
rustc-std-workspace-alloc = { path = 'src/tools/rustc-std-workspace-alloc' }
rustc-std-workspace-std = { path = 'src/tools/rustc-std-workspace-std' }
# This crate's integration with libstd is a bit wonky, so we use a submodule
# instead of a crates.io dependency. Make sure everything else in the repo is
# also using the submodule, however, so we can avoid duplicate copies of the
# source code for this crate.
backtrace = { path = "src/backtrace" }
[patch."https://github.com/rust-lang/rust-clippy"]
clippy_lints = { path = "src/tools/clippy/clippy_lints" }

1
rustfmt.toml
View File

@ -30,7 +30,6 @@ ignore = [
"src/tools/rust-analyzer",
"src/tools/rust-installer",
"src/tools/rustfmt",
"src/backtrace",
# We do not format this file as it is externally sourced and auto-generated.
"src/libstd/sys/cloudabi/abi/cloudabi.rs",

1
src/backtrace

@ -1 +0,0 @@
Subproject commit 8f89434446f72f27f8145d8bbc1a302c6ef29d1e

24
src/libstd/Cargo.toml
View File

@ -25,15 +25,11 @@ profiler_builtins = { path = "../libprofiler_builtins", optional = true }
unwind = { path = "../libunwind" }
hashbrown = { version = "0.6.2", default-features = false, features = ['rustc-dep-of-std'] }
# Dependencies of the `backtrace` crate
addr2line = { version = "0.13.0", optional = true, default-features = false }
rustc-demangle = { version = "0.1.4", optional = true }
miniz_oxide = { version = "0.4.0", optional = true, default-features = false }
[dependencies.object]
version = "0.20"
optional = true
default-features = false
features = ['read_core', 'elf', 'macho', 'pe']
[dependencies.backtrace_rs]
package = "backtrace"
version = "0.3.46"
default-features = false # without the libstd `backtrace` feature, stub out everything
features = [ "rustc-dep-of-std" ] # enable build support for integrating into libstd
[dev-dependencies]
rand = "0.7"
@ -52,13 +48,11 @@ wasi = { version = "0.9.0", features = ['rustc-dep-of-std'], default-features =
[features]
backtrace = [
"gimli-symbolize",
'addr2line/rustc-dep-of-std',
'object/rustc-dep-of-std',
'rustc-demangle/rustc-dep-of-std',
'miniz_oxide/rustc-dep-of-std',
"backtrace_rs/dbghelp", # backtrace/symbolize on MSVC
"backtrace_rs/libbacktrace", # symbolize on most platforms
"backtrace_rs/libunwind", # backtrace on most platforms
"backtrace_rs/dladdr", # symbolize on platforms w/o libbacktrace
]
gimli-symbolize = []
panic-unwind = ["panic_unwind"]
profiler = ["profiler_builtins"]

21
src/libstd/backtrace.rs
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@ -91,7 +91,6 @@
// `Backtrace`, but that's a relatively small price to pay relative to capturing
// a backtrace or actually symbolizing it.
use crate::backtrace_rs::{self, BytesOrWideString};
use crate::env;
use crate::ffi::c_void;
use crate::fmt;
@ -99,6 +98,8 @@ use crate::sync::atomic::{AtomicUsize, Ordering::SeqCst};
use crate::sync::Mutex;
use crate::sys_common::backtrace::{lock, output_filename};
use crate::vec::Vec;
use backtrace::BytesOrWideString;
use backtrace_rs as backtrace;
/// A captured OS thread stack backtrace.
///
@ -149,7 +150,7 @@ struct BacktraceFrame {
}
enum RawFrame {
Actual(backtrace_rs::Frame),
Actual(backtrace::Frame),
#[cfg(test)]
Fake,
}
@ -196,7 +197,7 @@ impl fmt::Debug for BacktraceSymbol {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(fmt, "{{ ")?;
if let Some(fn_name) = self.name.as_ref().map(|b| backtrace_rs::SymbolName::new(b)) {
if let Some(fn_name) = self.name.as_ref().map(|b| backtrace::SymbolName::new(b)) {
write!(fmt, "fn: \"{:#}\"", fn_name)?;
} else {
write!(fmt, "fn: <unknown>")?;
@ -222,7 +223,7 @@ impl fmt::Debug for BytesOrWide {
BytesOrWide::Bytes(w) => BytesOrWideString::Bytes(w),
BytesOrWide::Wide(w) => BytesOrWideString::Wide(w),
},
backtrace_rs::PrintFmt::Short,
backtrace::PrintFmt::Short,
crate::env::current_dir().as_ref().ok(),
)
}
@ -298,7 +299,7 @@ impl Backtrace {
let mut frames = Vec::new();
let mut actual_start = None;
unsafe {
backtrace_rs::trace_unsynchronized(|frame| {
backtrace::trace_unsynchronized(|frame| {
frames.push(BacktraceFrame {
frame: RawFrame::Actual(frame.clone()),
symbols: Vec::new(),
@ -349,9 +350,9 @@ impl fmt::Display for Backtrace {
let full = fmt.alternate();
let (frames, style) = if full {
(&capture.frames[..], backtrace_rs::PrintFmt::Full)
(&capture.frames[..], backtrace::PrintFmt::Full)
} else {
(&capture.frames[capture.actual_start..], backtrace_rs::PrintFmt::Short)
(&capture.frames[capture.actual_start..], backtrace::PrintFmt::Short)
};
// When printing paths we try to strip the cwd if it exists, otherwise
@ -363,7 +364,7 @@ impl fmt::Display for Backtrace {
output_filename(fmt, path, style, cwd.as_ref().ok())
};
let mut f = backtrace_rs::BacktraceFmt::new(fmt, style, &mut print_path);
let mut f = backtrace::BacktraceFmt::new(fmt, style, &mut print_path);
f.add_context()?;
for frame in frames {
let mut f = f.frame();
@ -373,7 +374,7 @@ impl fmt::Display for Backtrace {
for symbol in frame.symbols.iter() {
f.print_raw(
frame.frame.ip(),
symbol.name.as_ref().map(|b| backtrace_rs::SymbolName::new(b)),
symbol.name.as_ref().map(|b| backtrace::SymbolName::new(b)),
symbol.filename.as_ref().map(|b| match b {
BytesOrWide::Bytes(w) => BytesOrWideString::Bytes(w),
BytesOrWide::Wide(w) => BytesOrWideString::Wide(w),
@ -408,7 +409,7 @@ impl Capture {
RawFrame::Fake => unimplemented!(),
};
unsafe {
backtrace_rs::resolve_frame_unsynchronized(frame, |symbol| {
backtrace::resolve_frame_unsynchronized(frame, |symbol| {
symbols.push(BacktraceSymbol {
name: symbol.name().map(|m| m.as_bytes().to_vec()),
filename: symbol.filename_raw().map(|b| match b {

1
src/libstd/build.rs
View File

@ -87,5 +87,4 @@ fn main() {
println!("cargo:rustc-cfg=feature=\"restricted-std\"");
}
println!("cargo:rustc-env=STD_ENV_ARCH={}", env::var("CARGO_CFG_TARGET_ARCH").unwrap());
println!("cargo:rustc-cfg=backtrace_in_libstd");
}

4
src/libstd/lib.rs
View File

@ -511,10 +511,6 @@ mod panicking;
// compiler
pub mod rt;
#[path = "../backtrace/src/lib.rs"]
#[allow(dead_code, unused_attributes)]
mod backtrace_rs;
// Pull in the `std_detect` crate directly into libstd. The contents of
// `std_detect` are in a different repository: rust-lang/stdarch.
//

2
src/libstd/panicking.rs
View File

@ -171,7 +171,7 @@ fn default_hook(info: &PanicInfo<'_>) {
// If this is a double panic, make sure that we print a backtrace
// for this panic. Otherwise only print it if logging is enabled.
let backtrace_env = if panic_count::get() >= 2 {
RustBacktrace::Print(crate::backtrace_rs::PrintFmt::Full)
RustBacktrace::Print(backtrace_rs::PrintFmt::Full)
} else {
backtrace::rust_backtrace_env()
};

3
src/libstd/sys_common/backtrace.rs
View File

@ -1,4 +1,3 @@
use crate::backtrace_rs::{self, BacktraceFmt, BytesOrWideString, PrintFmt};
use crate::borrow::Cow;
/// Common code for printing the backtrace in the same way across the different
/// supported platforms.
@ -10,6 +9,8 @@ use crate::path::{self, Path, PathBuf};
use crate::sync::atomic::{self, Ordering};
use crate::sys::mutex::Mutex;
use backtrace_rs::{BacktraceFmt, BytesOrWideString, PrintFmt};
/// Max number of frames to print.
const MAX_NB_FRAMES: usize = 100;

8
src/tools/tidy/src/deps.rs
View File

@ -17,7 +17,6 @@ const LICENSES: &[&str] = &[
"MIT",
"Unlicense/MIT",
"Unlicense OR MIT",
"0BSD OR MIT OR Apache-2.0", // adler license
];
/// These are exceptions to Rust's permissive licensing policy, and
@ -37,6 +36,7 @@ const EXCEPTIONS: &[(&str, &str)] = &[
("ryu", "Apache-2.0 OR BSL-1.0"), // rls/cargo/... (because of serde)
("bytesize", "Apache-2.0"), // cargo
("im-rc", "MPL-2.0+"), // cargo
("adler32", "BSD-3-Clause AND Zlib"), // cargo dep that isn't used
("constant_time_eq", "CC0-1.0"), // rustfmt
("sized-chunks", "MPL-2.0+"), // cargo via im-rc
("bitmaps", "MPL-2.0+"), // cargo via im-rc
@ -57,8 +57,7 @@ const RESTRICTED_DEPENDENCY_CRATES: &[&str] = &["rustc_middle", "rustc_codegen_l
/// This list is here to provide a speed-bump to adding a new dependency to
/// rustc. Please check with the compiler team before adding an entry.
const PERMITTED_DEPENDENCIES: &[&str] = &[
"addr2line",
"adler",
"adler32",
"aho-corasick",
"annotate-snippets",
"ansi_term",
@ -66,6 +65,7 @@ const PERMITTED_DEPENDENCIES: &[&str] = &[
"atty",
"autocfg",
"backtrace",
"backtrace-sys",
"bitflags",
"block-buffer",
"block-padding",
@ -98,7 +98,6 @@ const PERMITTED_DEPENDENCIES: &[&str] = &[
"generic-array",
"getopts",
"getrandom",
"gimli",
"hashbrown",
"hermit-abi",
"humantime",
@ -120,7 +119,6 @@ const PERMITTED_DEPENDENCIES: &[&str] = &[
"miniz_oxide",
"nodrop",
"num_cpus",
"object",
"once_cell",
"opaque-debug",
"parking_lot",

1
src/tools/tidy/src/lib.rs
View File

@ -60,7 +60,6 @@ fn filter_dirs(path: &Path) -> bool {
"src/tools/rust-installer",
"src/tools/rustfmt",
"src/doc/book",
"src/backtrace",
// Filter RLS output directories
"target/rls",
];