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authorA. Wilcox <AWilcox@Wilcox-Tech.com>2022-11-23 02:12:55 -0600
committerA. Wilcox <AWilcox@Wilcox-Tech.com>2022-11-23 02:12:55 -0600
commit3379735848bec7c35cb14190a3b0b8cb20281793 (patch)
treeb9a2603cf31e58a14d475265ecdc1017f1c4e91e /user/firefox-esr/triplet-vendor-support.patch
parentffe36d24275d61d41c8a07a1fdfa0f7b4ccfdb23 (diff)
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user/firefox-esr: Add custom triplet vendor patch
This patch fixes target-lexicon as it is upstream. It should not be necessary the next time Firefox updates its vendored crates. Closes: #863
Diffstat (limited to 'user/firefox-esr/triplet-vendor-support.patch')
-rw-r--r--user/firefox-esr/triplet-vendor-support.patch316
1 files changed, 316 insertions, 0 deletions
diff --git a/user/firefox-esr/triplet-vendor-support.patch b/user/firefox-esr/triplet-vendor-support.patch
new file mode 100644
index 000000000..d0ca17e81
--- /dev/null
+++ b/user/firefox-esr/triplet-vendor-support.patch
@@ -0,0 +1,316 @@
+Squashed version of https://github.com/bytecodealliance/target-lexicon/pull/35
+
+diff -Naur firefox-91.13.0/third_party/rust/target-lexicon-0.9.0_orig/build.rs firefox-91.13.0/third_party/rust/target-lexicon-0.9.0/build.rs
+--- firefox-91.13.0/third_party/rust/target-lexicon-0.9.0_orig/build.rs 2022-08-15 13:05:59.000000000 -0500
++++ firefox-91.13.0/third_party/rust/target-lexicon-0.9.0/build.rs 2022-11-23 00:35:04.697192794 -0600
+@@ -32,6 +32,7 @@
+ }
+ }
+
++use self::targets::Vendor;
+ use self::triple::Triple;
+
+ fn main() {
+@@ -52,6 +53,8 @@
+ writeln!(out, "use crate::Aarch64Architecture::*;")?;
+ writeln!(out, "#[allow(unused_imports)]")?;
+ writeln!(out, "use crate::ArmArchitecture::*;")?;
++ writeln!(out, "#[allow(unused_imports)]")?;
++ writeln!(out, "use crate::CustomVendor;")?;
+ writeln!(out)?;
+ writeln!(out, "/// The `Triple` of the current host.")?;
+ writeln!(out, "pub const HOST: Triple = Triple {{")?;
+@@ -60,7 +63,7 @@
+ " architecture: Architecture::{:?},",
+ triple.architecture
+ )?;
+- writeln!(out, " vendor: Vendor::{:?},", triple.vendor)?;
++ writeln!(out, " vendor: {},", vendor_display(&triple.vendor))?;
+ writeln!(
+ out,
+ " operating_system: OperatingSystem::{:?},",
+@@ -90,7 +93,7 @@
+ writeln!(out, "impl Vendor {{")?;
+ writeln!(out, " /// Return the vendor for the current host.")?;
+ writeln!(out, " pub const fn host() -> Self {{")?;
+- writeln!(out, " Vendor::{:?}", triple.vendor)?;
++ writeln!(out, " {}", vendor_display(&triple.vendor))?;
+ writeln!(out, " }}")?;
+ writeln!(out, "}}")?;
+ writeln!(out)?;
+@@ -138,7 +141,11 @@
+ " architecture: Architecture::{:?},",
+ triple.architecture
+ )?;
+- writeln!(out, " vendor: Vendor::{:?},", triple.vendor)?;
++ writeln!(
++ out,
++ " vendor: {},",
++ vendor_display(&triple.vendor)
++ )?;
+ writeln!(
+ out,
+ " operating_system: OperatingSystem::{:?},",
+@@ -160,3 +167,13 @@
+
+ Ok(())
+ }
++
++fn vendor_display(vendor: &Vendor) -> String {
++ match vendor {
++ Vendor::Custom(custom) => format!(
++ "Vendor::Custom(CustomVendor::Static({:?}))",
++ custom.as_str()
++ ),
++ known => format!("Vendor::{:?}", known),
++ }
++}
+diff -Naur firefox-91.13.0/third_party/rust/target-lexicon-0.9.0_orig/src/lib.rs firefox-91.13.0/third_party/rust/target-lexicon-0.9.0/src/lib.rs
+--- firefox-91.13.0/third_party/rust/target-lexicon-0.9.0_orig/src/lib.rs 2022-08-15 13:05:37.000000000 -0500
++++ firefox-91.13.0/third_party/rust/target-lexicon-0.9.0/src/lib.rs 2022-11-23 00:35:04.697192794 -0600
+@@ -28,7 +28,7 @@
+ pub use self::host::HOST;
+ pub use self::parse_error::ParseError;
+ pub use self::targets::{
+- Aarch64Architecture, Architecture, ArmArchitecture, BinaryFormat, Environment, OperatingSystem,
+- Vendor,
++ Aarch64Architecture, Architecture, ArmArchitecture, BinaryFormat, CustomVendor, Environment,
++ OperatingSystem, Vendor,
+ };
+ pub use self::triple::{CallingConvention, Endianness, PointerWidth, Triple};
+diff -Naur firefox-91.13.0/third_party/rust/target-lexicon-0.9.0_orig/src/targets.rs firefox-91.13.0/third_party/rust/target-lexicon-0.9.0/src/targets.rs
+--- firefox-91.13.0/third_party/rust/target-lexicon-0.9.0_orig/src/targets.rs 2022-08-15 13:05:42.000000000 -0500
++++ firefox-91.13.0/third_party/rust/target-lexicon-0.9.0/src/targets.rs 2022-11-23 00:35:04.697192794 -0600
+@@ -1,7 +1,10 @@
+ // This file defines all the identifier enums and target-aware logic.
+
+ use crate::triple::{Endianness, PointerWidth, Triple};
++use alloc::boxed::Box;
++use alloc::string::String;
+ use core::fmt;
++use core::hash::{Hash, Hasher};
+ use core::str::FromStr;
+
+ /// The "architecture" field, which in some cases also specifies a specific
+@@ -290,9 +293,42 @@
+ }
+ }
+
++/// A string for a `Vendor::Custom` that can either be used in `const`
++/// contexts or hold dynamic strings.
++#[derive(Clone, Debug, Eq)]
++pub enum CustomVendor {
++ /// An owned `String`. This supports the general case.
++ Owned(Box<String>),
++ /// A static `str`, so that `CustomVendor` can be constructed in `const`
++ /// contexts.
++ Static(&'static str),
++}
++
++impl CustomVendor {
++ /// Extracts a string slice.
++ pub fn as_str(&self) -> &str {
++ match self {
++ CustomVendor::Owned(s) => s,
++ CustomVendor::Static(s) => s,
++ }
++ }
++}
++
++impl PartialEq for CustomVendor {
++ fn eq(&self, other: &Self) -> bool {
++ self.as_str() == other.as_str()
++ }
++}
++
++impl Hash for CustomVendor {
++ fn hash<H: Hasher>(&self, state: &mut H) {
++ self.as_str().hash(state)
++ }
++}
++
+ /// The "vendor" field, which in practice is little more than an arbitrary
+ /// modifier.
+-#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
++#[derive(Clone, Debug, PartialEq, Eq, Hash)]
+ #[allow(missing_docs)]
+ pub enum Vendor {
+ Unknown,
+@@ -306,6 +342,15 @@
+ Sun,
+ Uwp,
+ Wrs,
++
++ /// A custom vendor. "Custom" in this context means that the vendor is
++ /// not specifically recognized by upstream Autotools, LLVM, Rust, or other
++ /// relevant authorities on triple naming. It's useful for people building
++ /// and using locally patched toolchains.
++ ///
++ /// Outside of such patched environments, users of `target-lexicon` should
++ /// treat `Custom` the same as `Unknown` and ignore the string.
++ Custom(CustomVendor),
+ }
+
+ /// The "operating system" field, which sometimes implies an environment, and
+@@ -717,6 +762,7 @@
+ Vendor::Sun => "sun",
+ Vendor::Uwp => "uwp",
+ Vendor::Wrs => "wrs",
++ Vendor::Custom(ref name) => name.as_str(),
+ };
+ f.write_str(s)
+ }
+@@ -738,7 +784,43 @@
+ "sun" => Vendor::Sun,
+ "uwp" => Vendor::Uwp,
+ "wrs" => Vendor::Wrs,
+- _ => return Err(()),
++ custom => {
++ use alloc::borrow::ToOwned;
++
++ // A custom vendor. Since triple syntax is so loosely defined,
++ // be as conservative as we can to avoid potential ambiguities.
++ // We err on the side of being too strict here, as we can
++ // always relax it if needed.
++
++ // Don't allow empty string names.
++ if custom.is_empty() {
++ return Err(());
++ }
++
++ // Don't allow any other recognized name as a custom vendor,
++ // since vendors can be omitted in some contexts.
++ if Architecture::from_str(custom).is_ok()
++ || OperatingSystem::from_str(custom).is_ok()
++ || Environment::from_str(custom).is_ok()
++ || BinaryFormat::from_str(custom).is_ok()
++ {
++ return Err(());
++ }
++
++ // Require the first character to be an ascii lowercase.
++ if !custom.chars().nth(0).unwrap().is_ascii_lowercase() {
++ return Err(());
++ }
++
++ // Restrict the set of characters permitted in a custom vendor.
++ if custom.chars().any(|c: char| {
++ !(c.is_ascii_lowercase() || c.is_ascii_digit() || c == '_' || c == '.')
++ }) {
++ return Err(());
++ }
++
++ Vendor::Custom(CustomVendor::Owned(Box::new(custom.to_owned())))
++ }
+ })
+ }
+ }
+@@ -1120,4 +1202,87 @@
+ assert_eq!(t.environment, Environment::Eabihf);
+ assert_eq!(t.binary_format, BinaryFormat::Elf);
+ }
++
++ #[test]
++ fn custom_vendors() {
++ // Test various invalid cases.
++ assert!(Triple::from_str("x86_64--linux").is_err());
++ assert!(Triple::from_str("x86_64-42-linux").is_err());
++ assert!(Triple::from_str("x86_64-__customvendor__-linux").is_err());
++ assert!(Triple::from_str("x86_64-^-linux").is_err());
++ assert!(Triple::from_str("x86_64- -linux").is_err());
++ assert!(Triple::from_str("x86_64-CustomVendor-linux").is_err());
++ assert!(Triple::from_str("x86_64-linux-linux").is_err());
++ assert!(Triple::from_str("x86_64-x86_64-linux").is_err());
++ assert!(Triple::from_str("x86_64-elf-linux").is_err());
++ assert!(Triple::from_str("x86_64-gnu-linux").is_err());
++ assert!(Triple::from_str("x86_64-linux-customvendor").is_err());
++ assert!(Triple::from_str("customvendor").is_err());
++ assert!(Triple::from_str("customvendor-x86_64").is_err());
++ assert!(Triple::from_str("x86_64-").is_err());
++ assert!(Triple::from_str("x86_64--").is_err());
++
++ // Test various Unicode things.
++ assert!(
++ Triple::from_str("x86_64-𝓬𝓾𝓼𝓽𝓸𝓶𝓿𝓮𝓷𝓭𝓸𝓻-linux").is_err(),
++ "unicode font hazard"
++ );
++ assert!(
++ Triple::from_str("x86_64-ćúśtőḿvéńdőŕ-linux").is_err(),
++ "diacritical mark stripping hazard"
++ );
++ assert!(
++ Triple::from_str("x86_64-customvendοr-linux").is_err(),
++ "homoglyph hazard"
++ );
++ assert!(Triple::from_str("x86_64-customvendor-linux").is_ok());
++ assert!(
++ Triple::from_str("x86_64-ffi-linux").is_err(),
++ "normalization hazard"
++ );
++ assert!(Triple::from_str("x86_64-ffi-linux").is_ok());
++ assert!(
++ Triple::from_str("x86_64-custom‍vendor-linux").is_err(),
++ "zero-width character hazard"
++ );
++ assert!(
++ Triple::from_str("x86_64-customvendor-linux").is_err(),
++ "BOM hazard"
++ );
++
++ // Test some valid cases.
++ let t = Triple::from_str("x86_64-customvendor-linux")
++ .expect("can't parse target with custom vendor");
++ assert_eq!(t.architecture, Architecture::X86_64);
++ assert_eq!(
++ t.vendor,
++ Vendor::Custom(CustomVendor::Static("customvendor"))
++ );
++ assert_eq!(t.operating_system, OperatingSystem::Linux);
++ assert_eq!(t.environment, Environment::Unknown);
++ assert_eq!(t.binary_format, BinaryFormat::Elf);
++ assert_eq!(t.to_string(), "x86_64-customvendor-linux");
++
++ let t =
++ Triple::from_str("x86_64-customvendor").expect("can't parse target with custom vendor");
++ assert_eq!(t.architecture, Architecture::X86_64);
++ assert_eq!(
++ t.vendor,
++ Vendor::Custom(CustomVendor::Static("customvendor"))
++ );
++ assert_eq!(t.operating_system, OperatingSystem::Unknown);
++ assert_eq!(t.environment, Environment::Unknown);
++ assert_eq!(t.binary_format, BinaryFormat::Unknown);
++
++ assert_eq!(
++ Triple::from_str("unknown-foo"),
++ Ok(Triple {
++ architecture: Architecture::Unknown,
++ vendor: Vendor::Custom(CustomVendor::Static("foo")),
++ operating_system: OperatingSystem::Unknown,
++ environment: Environment::Unknown,
++ binary_format: BinaryFormat::Unknown,
++ })
++ );
++ }
+ }
+diff -Naur firefox-91.13.0/third_party/rust/target-lexicon-0.9.0_orig/src/triple.rs firefox-91.13.0/third_party/rust/target-lexicon-0.9.0/src/triple.rs
+--- firefox-91.13.0/third_party/rust/target-lexicon-0.9.0_orig/src/triple.rs 2022-08-15 13:05:59.000000000 -0500
++++ firefox-91.13.0/third_party/rust/target-lexicon-0.9.0/src/triple.rs 2022-11-23 00:35:04.697192794 -0600
+@@ -323,10 +323,6 @@
+ Err(ParseError::UnrecognizedArchitecture("foo".to_owned()))
+ );
+ assert_eq!(
+- Triple::from_str("unknown-foo"),
+- Err(ParseError::UnrecognizedVendor("foo".to_owned()))
+- );
+- assert_eq!(
+ Triple::from_str("unknown-unknown-foo"),
+ Err(ParseError::UnrecognizedOperatingSystem("foo".to_owned()))
+ );
+diff -Naur firefox-91.13.0/third_party/rust/target-lexicon-0.9.0_orig/.cargo-checksum.json firefox-91.13.0/third_party/rust/target-lexicon-0.9.0/.cargo-checksum.json
+--- firefox-91.13.0/third_party/rust/target-lexicon-0.9.0_orig/.cargo-checksum.json 2022-08-15 13:05:38.000000000 -0500
++++ firefox-91.13.0/third_party/rust/target-lexicon-0.9.0/.cargo-checksum.json 2022-11-23 01:16:14.304912521 -0600
+@@ -1 +1 @@
+-{"files":{"Cargo.lock":"a1a162e6ce8fc2234a6ddf7090410006a1920ace8738772e32a5b50e4780c19d","Cargo.toml":"f3b545fa0f184fd0d3624e6e5c205fcbdf1ad0934a2e08406549ad53c2a62ac3","LICENSE":"268872b9816f90fd8e85db5a28d33f8150ebb8dd016653fb39ef1f94f2686bc5","README.md":"c3467056d91be3f59562158ee9604c729b5b5f473efbefb036032803eb76809e","build.rs":"723100e9cdc30cd8c48407233c2cffa10f5b10703a0a11bac1230d8b86e49ccf","examples/host.rs":"503bafddfb372123fe4dc0e7b8037808beb5bfe6df60c00d3315922bd3792c6c","examples/misc.rs":"49a579845450b7b020ed5c97dca142fc548725893cbc82f6f750ee0caab2beca","newlist":"89564342916321c5bc35e772d374a7f0af22cc9ae6dcc0027eca48d2269f18cb","src/host.rs":"fb543df4f362e9119a58523563e453110f4e3a426f0995911d0ca386657cf1d9","src/lib.rs":"4414353c30f25d44df6cc14f7f9eea9991222289c6aa662b74406f6923235970","src/parse_error.rs":"b3735eabc0fd0a9dfdd6375662f20ec96a79852a00a05a98fb2e421545285e53","src/targets.rs":"9ccc0849cff06d8906dacbdc15136cc47fab85ccd795033ddfdde1397dfcfe32","src/triple.rs":"949bd83b043b53b18f643ebc3fbebbfe02a13998b787fda432a5d36aa27d20bd","test.sh":"22e3c630a6c84e90d5c70c367a6712be8eeca1e7682c00d1f65bf53e330e9191"},"package":"6f4c118a7a38378f305a9e111fcb2f7f838c0be324bfb31a77ea04f7f6e684b4"}
+\ No newline at end of file
++{"files":{"Cargo.lock":"a1a162e6ce8fc2234a6ddf7090410006a1920ace8738772e32a5b50e4780c19d","Cargo.toml":"f3b545fa0f184fd0d3624e6e5c205fcbdf1ad0934a2e08406549ad53c2a62ac3","LICENSE":"268872b9816f90fd8e85db5a28d33f8150ebb8dd016653fb39ef1f94f2686bc5","README.md":"c3467056d91be3f59562158ee9604c729b5b5f473efbefb036032803eb76809e","build.rs":"85d6a1b6392b56946f48c0ff1526736a37fe012951bf3855709da1d6cfb4baa0","examples/host.rs":"503bafddfb372123fe4dc0e7b8037808beb5bfe6df60c00d3315922bd3792c6c","examples/misc.rs":"49a579845450b7b020ed5c97dca142fc548725893cbc82f6f750ee0caab2beca","newlist":"89564342916321c5bc35e772d374a7f0af22cc9ae6dcc0027eca48d2269f18cb","src/host.rs":"fb543df4f362e9119a58523563e453110f4e3a426f0995911d0ca386657cf1d9","src/lib.rs":"89986c98b9a04e0f1e957e0127e23a53048a1f0d597493723c4bba031c2ca32d","src/parse_error.rs":"b3735eabc0fd0a9dfdd6375662f20ec96a79852a00a05a98fb2e421545285e53","src/targets.rs":"f2048f06e3e2151a8181d8c92651fa45e64b8bfdfd18ead4b6c18ee7c9fb9003","src/triple.rs":"4704266fec8763bc70d230aad3608bdb790b51e41149056daa2ce0d5fdaef5a3","test.sh":"22e3c630a6c84e90d5c70c367a6712be8eeca1e7682c00d1f65bf53e330e9191"},"package":"6f4c118a7a38378f305a9e111fcb2f7f838c0be324bfb31a77ea04f7f6e684b4"}