Update to origin 0.21.

.github/workflows/main.yml

@@ -30,12 +30,12 @@ jobs:
         include:
           - build: ubuntu
             os: ubuntu-latest
-            rust: nightly-2024-10-01
+            rust: nightly-2024-10-06
             host_target: x86_64-unknown-linux-gnu
             mustang_target: x86_64-mustang-linux-gnu
           - build: i686-linux
             os: ubuntu-latest
-            rust: nightly-2024-10-01
+            rust: nightly-2024-10-06
             target: i686-unknown-linux-gnu
             gcc_package: gcc-i686-linux-gnu
             gcc: i686-linux-gnu-gcc
@@ -44,7 +44,7 @@ jobs:
             mustang_target: i686-mustang-linux-gnu
           - build: aarch64-linux
             os: ubuntu-latest
-            rust: nightly-2024-10-01
+            rust: nightly-2024-10-06
             target: aarch64-unknown-linux-gnu
             gcc_package: gcc-aarch64-linux-gnu
             gcc: aarch64-linux-gnu-gcc
@@ -54,7 +54,7 @@ jobs:
             mustang_target: aarch64-mustang-linux-gnu
           - build: riscv64-linux
             os: ubuntu-latest
-            rust: nightly-2024-10-01
+            rust: nightly-2024-10-06
             target: riscv64gc-unknown-linux-gnu
             gcc_package: gcc-riscv64-linux-gnu
             gcc: riscv64-linux-gnu-gcc
@@ -138,22 +138,22 @@ jobs:
 
     - name: Install rust-src
       run: |
-        rustup component add rust-src --toolchain nightly-2024-10-01-x86_64-unknown-linux-gnu
+        rustup component add rust-src --toolchain nightly-2024-10-06-x86_64-unknown-linux-gnu
 
     - name: cargo check non-mustang
       run: |
         # Check that the code compiles on non-mustang targets.
-        cargo +nightly-2024-10-01 check --all --target=${{ matrix.host_target }}
+        cargo +nightly-2024-10-06 check --all --target=${{ matrix.host_target }}
 
     - name: cargo test
       run: |
-        cargo +nightly-2024-10-01 test --verbose -Z build-std --target=target-specs/${{ matrix.mustang_target }}.json -- ${{ matrix.test_args }} -- --nocapture
+        cargo +nightly-2024-10-06 test --verbose -Z build-std --target=target-specs/${{ matrix.mustang_target }}.json -- ${{ matrix.test_args }} -- --nocapture
       env:
         RUST_BACKTRACE: 1
 
     - name: cargo test --release
       run: |
-        cargo +nightly-2024-10-01 test --verbose --release -Z build-std --target=target-specs/${{ matrix.mustang_target }}.json  -- ${{ matrix.test_args }}
+        cargo +nightly-2024-10-06 test --verbose --release -Z build-std --target=target-specs/${{ matrix.mustang_target }}.json  -- ${{ matrix.test_args }}
       env:
         RUST_BACKTRACE: 1
 
@@ -181,20 +181,20 @@ jobs:
     - name: test mustang-nostd as program
       working-directory: example-crates/mustang-nostd
       run: |
-        cargo +nightly-2024-10-01 run -Zbuild-std=core,alloc --target=../../target-specs/${{ matrix.mustang_target }}.json
+        cargo +nightly-2024-10-06 run -Zbuild-std=core,alloc --target=../../target-specs/${{ matrix.mustang_target }}.json
       env:
         RUST_BACKTRACE: 1
 
     - name: test mustang-nostd as tests
       working-directory: example-crates/mustang-nostd
       run: |
-        cargo +nightly-2024-10-01 test -Zbuild-std=core,alloc,test,std --target=../../target-specs/${{ matrix.mustang_target }}.json
+        cargo +nightly-2024-10-06 test -Zbuild-std=core,alloc,test,std --target=../../target-specs/${{ matrix.mustang_target }}.json
       env:
         RUST_BACKTRACE: 1
 
     - name: test mustang-custom-allocator as tests
       working-directory: example-crates/mustang-custom-allocator
       run: |
-        cargo +nightly-2024-10-01 run -Zbuild-std --target=../../target-specs/${{ matrix.mustang_target }}.json
+        cargo +nightly-2024-10-06 run -Zbuild-std --target=../../target-specs/${{ matrix.mustang_target }}.json
       env:
         RUST_BACKTRACE: 1

Cargo.toml

@@ -13,7 +13,7 @@ exclude = ["/.github", "ci"]
 keywords = ["linux"]
 
 [target.'cfg(target_vendor = "mustang")'.dependencies]
-c-gull = { version = "0.18.1", default-features = false, features = ["take-charge", "call-main", "malloc-via-crates", "define-mem-functions"] }
+c-gull = { version = "0.19.1", default-features = false, features = ["take-charge", "call-main", "malloc-via-crates"] }
 
 [dev-dependencies]
 similar-asserts = "1.1.0"
@@ -45,3 +45,42 @@ std = ["c-gull/std"]
 # Enable highly experimental support for performing startup-time relocations,
 # needed to support statically-linked PIE executables.
 experimental-relocate = ["c-gull/experimental-relocate"]
+
+# Provide a `#[lang = eh_personality]` function suitable for unwinding (for
+# no-std).
+#
+# If you know your program never unwinds and want smaller code size, use
+# "eh-personality-continue" instead.
+#
+# This is only needed in no-std builds, as std provides a personality. See
+# [the "personality" feature of the unwinding crate] for more details.
+#
+# [the "personality" feature of the unwinding crate]: https://crates.io/crates/unwinding#personality-and-other-utilities
+eh-personality = ["c-gull/eh-personality"]
+
+# Provide a `#[lang = eh_personality]` function that just returns
+# `CONTINUE_UNWIND` (for no-std). Use this if you know your program will never
+# unwind and don't want any extra code.
+eh-personality-continue = ["c-gull/eh-personality-continue"]
+
+# Provide a `#[panic_handler]` function suitable for unwinding (for no-std).
+#
+# If you know your program never panics and want smaller code size, use
+# "panic-handler-abort" instead.
+#
+# This is only needed in no-std builds, as std provides a panic handler. See
+# [the "panic-handler" feature of the unwinding crate] for more details.
+#
+# [the "panic-handler" feature of the unwinding crate]: https://crates.io/crates/unwinding#personality-and-other-utilities
+panic-handler = ["c-gull/panic-handler"]
+
+# Provide a `#[panic_handler]` function that just aborts (for no-std). Use this
+# if you know your program will never panic and don't want any extra code.
+panic-handler-abort = ["c-gull/panic-handler-abort"]
+
+# Provide a `#[global_allocator]` function (for no-std).
+#
+# This is only needed in no-std builds, as std provides a global allocator.
+# Alternatively, you can define the global allocator manually; see the
+# example-crates/custom-allocator example.
+global-allocator = ["c-gull/global-allocator"]

tests/examples.rs

@@ -39,7 +39,7 @@ fn test_example(name: &str, features: &str, stdout: &str, stderr: &str) {
 
     let mut command = Command::new("cargo");
     if which::which("rustup").is_ok() {
-        command.arg("+nightly-2024-10-01");
+        command.arg("+nightly-2024-10-06");
     }
     command.arg("run").arg("--quiet");
     if !features.is_empty() {