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chore: checkpoint before Python removal

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This commit is contained in:
Sienna Meridian Satterwhite
2026-03-26 22:33:59 +00:00
parent 683cec9307
commit e568ddf82a
29972 changed files with 11269302 additions and 2 deletions
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1
vendor/stacker/.cargo-checksum.json vendored Normal file
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{"files":{".cargo_vcs_info.json":"c7d506ab60cffbbb9fcb697a189038b36daa2398cff963d2101a252bc3a0cff8",".github/workflows/test.yml":"1fbabdc82a5f66ffca672eac608df08ef2baa02547b3005015f1522f05e9f8b7","Cargo.lock":"830308b3ebac8a7ecda345b56f9ee3dc27d0adb8fbd53ff984552ce1d8569193","Cargo.toml":"4a6c0ea5efb9d40c579b98a0f26fda5ffd39d44547954f5a8ea4cc1e14ed30cf","Cargo.toml.orig":"740449861b316e10ef4328f3573b60f0148dd07089a99aba4a3309e2056dea3f","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"378f5840b258e2779c39418f3f2d7b2ba96f1c7917dd6be0713f88305dbda397","README.md":"3b4db90523bcff7d1381367418fdbdb3c866d13c95f1c4aa8185f2280ae33abb","build.rs":"8a9274309128a737566386f2534a93c69d2991da19a4543113790bc819448a53","src/alloc_stack_restore_guard.rs":"5bc62493772e407494ad48b9bf316688b7eb1b9c85f1f7a8fc183c80903697b6","src/arch/asm.h":"4c4db945e854e4ce3f0b7ba8da3755613c0e4513a7aab0604bd6a67c0ff2192d","src/arch/windows.c":"e98e08f6b5102480b8fa4dfa7ee13441845202f5ba81c60b13da2800e0a8630c","src/backends/fallback.rs":"9314cb7646b0542bf7bafd576c4aa98d6e1dd0e0e0e3632618165487062f6f18","src/backends/macos.rs":"f6a504461e951c14e1cb7c4dc5153c516a2a62039e1293ad3e66cf38a660f878","src/backends/mod.rs":"1b1e61ee87546119e36cc232a7729a819c2ca944d9a62b1060b86beed5042c70","src/backends/openbsd.rs":"bf5f1f9ff35e8b514aadf430004dc5994a8c36a6ca445d30c02595c287d1bef8","src/backends/unix.rs":"5319b15a0de0408c466e9af2d8672205d26265afd25bae00c89453636a7b5bea","src/backends/windows.rs":"5224401ef6a157a1caaee4eda3d8a55f3337d73a31b7b0d36ba25ed1d62b66db","src/lib.rs":"483018446d61f6a917df6915f53ed319b0bda42edee17a3d6ab3408807418485","src/mmap_stack_restore_guard.rs":"a1e828008e7a123e8cc64f2aaee3757fdc0b698504dc1e96d781b22a9de71e6e","tests/simple.rs":"569efca91a64bde5c517f2ff03cc31b17501d8af86d13b1bffb1a45377d9bbe0","tests/smoke.rs":"7cd7772a971be4c20a1ff163c0bc1fe2c4203e62afa8ec7cdb4e63a5b8ea4a70"},"package":"08d74a23609d509411d10e2176dc2a4346e3b4aea2e7b1869f19fdedbc71c013"}

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vendor/stacker/.cargo_vcs_info.json vendored Normal file
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{
"git": {
"sha1": "93c7abc0c82c6c9f811298d0c02c3c132ffdbfa2"
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"path_in_vcs": ""
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421
vendor/stacker/.github/workflows/test.yml vendored Normal file
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name: Test
on:
push:
branches:
- master
paths-ignore:
- "*.mkd"
- "LICENSE"
pull_request:
types: [opened, reopened, synchronize]
workflow_dispatch:
jobs:
native-test:
name: Test ${{ matrix.manifest }} on ${{ matrix.os }} with ${{ matrix.rust_toolchain }} and ${{ matrix.mode }}
runs-on: ${{ matrix.os }}
strategy:
fail-fast: false
matrix:
rust_toolchain: [nightly, stable, 1.91.0]
os: [ubuntu-latest, windows-latest, macOS-latest, windows-11-arm]
mode: ["--release", "-Zminimal-versions", ""]
manifest: ["psm/Cargo.toml", "Cargo.toml"]
# Pedantic flags
cflags: ["-Werror -Wundef", ""]
exclude:
- rust_toolchain: stable
mode: -Zminimal-versions
- rust_toolchain: 1.91.0
mode: -Zminimal-versions
- os: windows-latest
cflags: "-Werror -Wundef"
- os: windows-11-arm
cflags: "-Werror -Wundef"
include:
- os: windows-latest
extra_target: i686-pc-windows-msvc
- os: windows-11-arm
rust_toolchain: nightly
extra_target: arm64ec-pc-windows-msvc
timeout-minutes: 10
env:
CFLAGS: ${{ matrix.cflags }}
steps:
- uses: actions/checkout@v4
- name: Install Rust ${{ matrix.rust_toolchain }}
uses: actions-rs/toolchain@v1
with:
toolchain: ${{ matrix.rust_toolchain }}
profile: minimal
default: true
target: ${{ matrix.extra_target }}
- name: Test ${{ matrix.manifest}} with ${{ matrix.mode }}
uses: actions-rs/cargo@v1
with:
command: test
args: --manifest-path=${{ matrix.manifest }} ${{ matrix.mode }} -- --nocapture
- name: Test ${{ matrix.manifest}} examples with ${{ matrix.mode }}
uses: actions-rs/cargo@v1
with:
command: test
args: --manifest-path=${{ matrix.manifest }} ${{ matrix.mode }} --examples -- --nocapture
- if: ${{ matrix.extra_target }}
name: Test ${{ matrix.manifest}} with ${{ matrix.mode }} as ${{ matrix.extra_target }}
uses: actions-rs/cargo@v1
with:
command: test
args: --target=${{ matrix.extra_target }} --manifest-path=${{ matrix.manifest }} ${{ matrix.mode }} -- --nocapture
- if: ${{ matrix.extra_target }}
name: Test ${{ matrix.manifest}} examples with ${{ matrix.mode }} as ${{ matrix.extra_target }}
uses: actions-rs/cargo@v1
with:
command: test
args: --target=${{ matrix.extra_target }} --manifest-path=${{ matrix.manifest }} ${{ matrix.mode }} --examples -- --nocapture
clang-cl-test:
name: Test ${{ matrix.manifest }} on ${{ matrix.rust_target }} with ${{ matrix.clang_cl }}
runs-on: windows-latest
strategy:
fail-fast: false
matrix:
manifest: ["psm/Cargo.toml", "Cargo.toml"]
rust_target:
- x86_64-pc-windows-msvc
- i686-pc-windows-msvc
include:
- rust_target: x86_64-pc-windows-msvc
clang_cl: C:/msys64/mingw64/bin/clang-cl.exe
package: mingw-w64-x86_64-clang
- rust_target: i686-pc-windows-msvc
clang_cl: C:/msys64/mingw32/bin/clang-cl.exe
package: mingw-w64-i686-clang
steps:
- uses: actions/checkout@v4
- uses: msys2/setup-msys2@v2
with:
release: false
install: ${{ matrix.package }}
- uses: actions-rs/toolchain@v1
with:
toolchain: stable
profile: minimal
default: true
target: ${{ matrix.rust_target }}
- uses: actions-rs/cargo@v1
with:
command: test
args: --target=${{ matrix.rust_target }} --manifest-path=${{ matrix.manifest }} -- --nocapture
env:
CC: ${{ matrix.clang_cl }}
CFLAGS: "-Werror -Wundef"
windows-gnu-test:
name: Test ${{ matrix.manifest }} on ${{ matrix.rust_target }} with ${{ matrix.rust_toolchain }}
runs-on: windows-latest
strategy:
fail-fast: false
matrix:
rust_toolchain: [nightly, stable]
rust_target:
- x86_64-pc-windows-gnu
- i686-pc-windows-gnu
manifest: ["psm/Cargo.toml", "Cargo.toml"]
include:
- rust_target: x86_64-pc-windows-gnu
mingw_path: C:/msys64/mingw64/bin
package: mingw-w64-x86_64-gcc
- rust_target: i686-pc-windows-gnu
mingw_path: C:/msys64/mingw32/bin
package: mingw-w64-i686-gcc
steps:
- uses: actions/checkout@v4
- uses: msys2/setup-msys2@v2
with:
release: false
install: ${{ matrix.package }}
- run: echo "c:/msys64/bin" | Out-File -FilePath $env:GITHUB_PATH -Append
- run: echo "${{ matrix.mingw_path }}" | Out-File -FilePath $env:GITHUB_PATH -Append
- name: Install Rust
uses: actions-rs/toolchain@v1
with:
toolchain: ${{ matrix.rust_toolchain }}
profile: minimal
target: ${{ matrix.rust_target }}
default: true
- uses: actions-rs/cargo@v1
with:
command: test
args: --target ${{ matrix.rust_target }} --manifest-path=${{ matrix.manifest }}
env:
CFLAGS: "-Werror -Wundef"
cross-windows-gnullvm-check:
name: Check ${{ matrix.manifest }} to ${{ matrix.rust_target }} with stable
runs-on: ubuntu-22.04
env:
LLVM_MINGW_VERSION: "20250417"
strategy:
fail-fast: false
matrix:
rust_target:
- aarch64-pc-windows-gnullvm
- i686-pc-windows-gnullvm
- x86_64-pc-windows-gnullvm
manifest: ["psm/Cargo.toml", "Cargo.toml"]
steps:
- uses: actions/checkout@v4
- uses: actions/cache@v4
with:
path: llvm-mingw-version
key: ${{ env.LLVM_MINGW_VERSION }}
- name: Install llvm-mingw
if: steps.cache.outputs.cache-hit != 'true'
run: curl -L https://github.com/mstorsjo/llvm-mingw/releases/download/${{ env.LLVM_MINGW_VERSION }}/llvm-mingw-${{ env.LLVM_MINGW_VERSION }}-ucrt-ubuntu-22.04-x86_64.tar.xz | tar xJf -
- name: Add llvm-mingw to PATH
run: echo "${{ github.workspace }}/llvm-mingw-${{ env.LLVM_MINGW_VERSION }}-ucrt-ubuntu-22.04-x86_64/bin" >> $GITHUB_PATH
- name: Install Rust
uses: actions-rs/toolchain@v1
with:
toolchain: stable
profile: minimal
target: ${{ matrix.rust_target }}
- name: Check
uses: actions-rs/cargo@v1
with:
command: check
args: --target ${{ matrix.rust_target }} --manifest-path=${{ matrix.manifest }}
cross-linux-test:
name: Test ${{ matrix.manifest }} on ${{ matrix.rust_target }} with nightly ${{ matrix.mode }}
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
rust_target:
- aarch64-linux-android
- arm-linux-androideabi
- armv7-linux-androideabi
- x86_64-linux-android
- aarch64-unknown-linux-gnu
- arm-unknown-linux-gnueabi
- armv7-unknown-linux-gnueabihf
- loongarch64-unknown-linux-gnu
- i686-unknown-linux-gnu
- i686-unknown-linux-musl
# No libstd available :(
# - mips-unknown-linux-gnu
# - mips64-unknown-linux-gnuabi64
# - mips64el-unknown-linux-gnuabi64
# - mipsel-unknown-linux-gnu
- powerpc-unknown-linux-gnu
# https://github.com/rust-embedded/cross/pull/440
# - powerpc64-unknown-linux-gnu
- x86_64-unknown-linux-musl
manifest: ["psm/Cargo.toml", "Cargo.toml"]
mode: ["--release", "-Zminimal-versions", ""]
timeout-minutes: 10
steps:
- uses: actions/checkout@v4
- name: Install Rust
uses: actions-rs/toolchain@v1
with:
toolchain: nightly
profile: minimal
target: ${{ matrix.rust_target }}
default: true
- name: Install cross
run: |
cargo install cross --git https://github.com/cross-rs/cross
- name: Test
run: |
cross test --target ${{ matrix.rust_target }} --manifest-path=${{ matrix.manifest }} ${{ matrix.mode }} -- --test-threads=1 --nocapture
native-build:
name: Build ${{ matrix.manifest }} to ${{ matrix.rust_target }} on nightly
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
rust_target:
# BSDs: could be tested with full system emulation
- i686-unknown-freebsd
- x86_64-unknown-freebsd
manifest: ["psm/Cargo.toml", "Cargo.toml"]
timeout-minutes: 10
steps:
- uses: actions/checkout@v4
- name: Install Rust
uses: actions-rs/toolchain@v1
with:
toolchain: nightly
profile: minimal
target: ${{ matrix.rust_target }}
default: true
- name: Build ${{ matrix.rust_target }}
uses: actions-rs/cargo@v1
with:
command: build
args: --target ${{ matrix.rust_target }} --manifest-path=${{ matrix.manifest }}
cross-build:
name: Cross-compile ${{ matrix.manifest }} to ${{ matrix.rust_target }} with cargo-cross
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
rust_target:
# https://github.com/rust-embedded/cross/issues/333
- powerpc64le-unknown-linux-gnu
# FIXME: Testing hangs, should be verified once-in-a-while manually.
# could be made work by using full system emulation
# https://github.com/rust-embedded/cross/issues/242
#
# Currently tested manually with full-system emulation.
- s390x-unknown-linux-gnu
# FIXME: tests could be made work by using full system emulation, maybe?
#
# Currently tested manually on real hardware.
# FIXME: https://github.com/rust-embedded/cross/pull/440
# - sparc64-unknown-linux-gnu
# BSDs: could be tested with full system emulation
- x86_64-unknown-netbsd
manifest: ["psm/Cargo.toml", "Cargo.toml"]
timeout-minutes: 10
steps:
- uses: actions/checkout@v4
- name: Install Rust nightly
uses: actions-rs/toolchain@v1
with:
toolchain: nightly
profile: minimal
target: ${{ matrix.rust_target }}
default: true
- name: Build ${{ matrix.rust_target }}
uses: actions-rs/cargo@v1
with:
use-cross: true
command: build
args: --target ${{ matrix.rust_target }} --manifest-path=${{ matrix.manifest }}
cross-ios-build:
name: Cross-compile ${{ matrix.manifest }} to ${{ matrix.rust_target }} on ${{ matrix.rust_toolchain }}
runs-on: macos-latest
strategy:
fail-fast: false
matrix:
rust_toolchain: [nightly, stable]
rust_target:
- aarch64-apple-ios
- x86_64-apple-ios
manifest: ["psm/Cargo.toml", "Cargo.toml"]
timeout-minutes: 10
steps:
- uses: actions/checkout@v4
- name: Install Rust
uses: actions-rs/toolchain@v1
with:
toolchain: ${{ matrix.rust_toolchain }}
profile: minimal
target: ${{ matrix.rust_target }}
default: true
- name: Build
uses: actions-rs/cargo@v1
with:
command: build
args: --target=${{ matrix.rust_target }} --manifest-path=${{ matrix.manifest }}
cross-windows-build:
name: Cross-compile ${{ matrix.manifest }} for ${{ matrix.rust_target }} from x86_64-unknown-linux-gnu
runs-on: ubuntu-22.04
strategy:
fail-fast: true
matrix:
rust_target:
- x86_64-pc-windows-msvc
- i686-pc-windows-msvc
manifest: ["psm/Cargo.toml", "Cargo.toml"]
xwin_version: ["0.1.6"]
timeout-minutes: 10
steps:
- uses: actions/checkout@v4
- name: Install Rust
uses: actions-rs/toolchain@v1
with:
toolchain: stable
profile: minimal
target: ${{ matrix.rust_target }}
- name: Add toolchain shims
run: |
set -eux
sudo ln -s clang-14 /usr/bin/clang-cl
sudo ln -s llvm-ar-14 /usr/bin/llvm-lib
sudo ln -s lld-link-14 /usr/bin/lld-link
- name: Install Windows SDK
run: |
set -eux
xwin_version=${{ matrix.xwin_version }}
xwin_prefix="xwin-$xwin_version-x86_64-unknown-linux-musl"
# Install xwin to cargo/bin via github release. Note you could also just use `cargo install xwin`.
curl --fail -L https://github.com/Jake-Shadle/xwin/releases/download/$xwin_version/$xwin_prefix.tar.gz | tar -xzv -C /home/runner/.cargo/bin --strip-components=1 $xwin_prefix/xwin
# Splat the CRT and SDK files to /tmp/xwin/crt and /tmp/xwin/sdk respectively
xwin --accept-license 1 splat --output /tmp/xwin
- name: Test
env:
CC: "clang-cl"
CXX: "clang-cl"
AR: "llvm-lib"
CARGO_TARGET_X86_64_PC_WINDOWS_MSVC_LINKER: "lld-link"
CARGO_TARGET_I686_PC_WINDOWS_MSVC_LINKER: "lld-link"
# Note that we only disable unused-command-line-argument here since clang-cl
# doesn't implement all of the options supported by cl, but the ones it doesn't
# are _generally_ not interesting.
CFLAGS: "-Wno-unused-command-line-argument -fuse-ld=lld-link /imsvc/tmp/xwin/crt/include /imsvc/tmp/xwin/sdk/include/ucrt /imsvc/tmp/xwin/sdk/include/um /imsvc/tmp/xwin/sdk/include/shared"
# Inform the linker where to search for libraries
RUSTFLAGS: "-Lnative=/tmp/xwin/crt/lib/x86_64 -Lnative=/tmp/xwin/sdk/lib/um/x86_64 -Lnative=/tmp/xwin/sdk/lib/ucrt/x86_64"
run: |
set -eux
cargo build --target ${{ matrix.rust_target }} --manifest-path ${{ matrix.manifest }}
wasm-test:
name: Test stacker on WASM
runs-on: ubuntu-latest
timeout-minutes: 10
steps:
- uses: actions/checkout@v4
- name: Install Rust nightly
uses: actions-rs/toolchain@v1
with:
toolchain: nightly
default: true
target: wasm32-wasip1
- run: |
curl -Lf https://github.com/bytecodealliance/wasmtime/releases/download/v24.0.0/wasmtime-v24.0.0-x86_64-linux.tar.xz | tar xJf - -C ${{ runner.tool_cache }}
echo "${{ runner.tool_cache }}/wasmtime-v24.0.0-x86_64-linux" >> $GITHUB_PATH
echo "CARGO_TARGET_WASM32_WASIP1_RUNNER=wasmtime run --" >> $GITHUB_ENV
- run: cargo test --target wasm32-wasip1 --all -- --nocapture
miri-test:
name: Test stacker with Miri on ${{ matrix.os }}
runs-on: ${{ matrix.os }}
strategy:
fail-fast: false
matrix:
os: [ubuntu-latest, windows-latest, macos-latest]
timeout-minutes: 10
steps:
- uses: actions/checkout@v4
- name: Install Rust nightly with Miri
uses: actions-rs/toolchain@v1
with:
toolchain: nightly
profile: minimal
components: miri
default: true
- name: Setup Miri
run: cargo miri setup
- name: Test with Miri
run: cargo miri test -- --nocapture

155
vendor/stacker/Cargo.lock generated vendored Normal file
View File

@@ -0,0 +1,155 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
[[package]]
name = "ar_archive_writer"
version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7eb93bbb63b9c227414f6eb3a0adfddca591a8ce1e9b60661bb08969b87e340b"
dependencies = [
"object",
]
[[package]]
name = "cc"
version = "1.2.55"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "47b26a0954ae34af09b50f0de26458fa95369a0d478d8236d3f93082b219bd29"
dependencies = [
"find-msvc-tools",
"shlex",
]
[[package]]
name = "cfg-if"
version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
[[package]]
name = "find-msvc-tools"
version = "0.1.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5baebc0774151f905a1a2cc41989300b1e6fbb29aff0ceffa1064fdd3088d582"
[[package]]
name = "libc"
version = "0.2.180"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bcc35a38544a891a5f7c865aca548a982ccb3b8650a5b06d0fd33a10283c56fc"
[[package]]
name = "memchr"
version = "2.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
[[package]]
name = "object"
version = "0.37.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ff76201f031d8863c38aa7f905eca4f53abbfa15f609db4277d44cd8938f33fe"
dependencies = [
"memchr",
]
[[package]]
name = "psm"
version = "0.1.30"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3852766467df634d74f0b2d7819bf8dc483a0eb2e3b0f50f756f9cfe8b0d18d8"
dependencies = [
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"cc",
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[[package]]
name = "shlex"
version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
[[package]]
name = "stacker"
version = "0.1.23"
dependencies = [
"cc",
"cfg-if",
"libc",
"psm",
"windows-sys",
]
[[package]]
name = "windows-sys"
version = "0.59.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
dependencies = [
"windows-targets",
]
[[package]]
name = "windows-targets"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
dependencies = [
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"windows_aarch64_msvc",
"windows_i686_gnu",
"windows_i686_gnullvm",
"windows_i686_msvc",
"windows_x86_64_gnu",
"windows_x86_64_gnullvm",
"windows_x86_64_msvc",
]
[[package]]
name = "windows_aarch64_gnullvm"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
[[package]]
name = "windows_aarch64_msvc"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
[[package]]
name = "windows_i686_gnu"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
[[package]]
name = "windows_i686_gnullvm"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
[[package]]
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[[package]]
name = "windows_x86_64_gnu"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
[[package]]
name = "windows_x86_64_gnullvm"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
[[package]]
name = "windows_x86_64_msvc"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"

77
vendor/stacker/Cargo.toml vendored Normal file
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# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
#
# When uploading crates to the registry Cargo will automatically
# "normalize" Cargo.toml files for maximal compatibility
# with all versions of Cargo and also rewrite `path` dependencies
# to registry (e.g., crates.io) dependencies.
#
# If you are reading this file be aware that the original Cargo.toml
# will likely look very different (and much more reasonable).
# See Cargo.toml.orig for the original contents.
[package]
edition = "2021"
rust-version = "1.63"
name = "stacker"
version = "0.1.23"
authors = [
"Alex Crichton <alex@alexcrichton.com>",
"Simonas Kazlauskas <stacker@kazlauskas.me>",
]
build = "build.rs"
autolib = false
autobins = false
autoexamples = false
autotests = false
autobenches = false
description = """
A stack growth library useful when implementing deeply recursive algorithms that
may accidentally blow the stack.
"""
homepage = "https://github.com/rust-lang/stacker"
documentation = "https://docs.rs/stacker/0.1.23"
readme = "README.md"
license = "MIT OR Apache-2.0"
repository = "https://github.com/rust-lang/stacker"
[lib]
name = "stacker"
path = "src/lib.rs"
test = false
doctest = false
[[test]]
name = "simple"
path = "tests/simple.rs"
[[test]]
name = "smoke"
path = "tests/smoke.rs"
[dependencies.cfg-if]
version = "1.0.0"
[dependencies.libc]
version = "0.2.156"
[dependencies.psm]
version = "0.1.7"
[build-dependencies.cc]
version = "1.2.33"
[target.arm64ec-pc-windows-msvc.dependencies.windows-sys]
version = ">=0.59.0, <0.60.0"
features = [
"Win32_System_Memory",
"Win32_System_Threading",
"Win32_Foundation",
]
[target.'cfg(all(windows, not(target_arch = "arm64ec")))'.dependencies.windows-sys]
version = ">=0.52.0, <0.60.0"
features = [
"Win32_System_Memory",
"Win32_System_Threading",
"Win32_Foundation",
]

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Apache License
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25
vendor/stacker/LICENSE-MIT vendored Normal file
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Copyright (c) 2014 Alex Crichton
Permission is hereby granted, free of charge, to any
person obtaining a copy of this software and associated
documentation files (the "Software"), to deal in the
Software without restriction, including without
limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software
is furnished to do so, subject to the following
conditions:
The above copyright notice and this permission notice
shall be included in all copies or substantial portions
of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.

44
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# stacker
[![Build Status](https://github.com/rust-lang/stacker/actions/workflows/test.yml/badge.svg)](https://github.com/rust-lang/stacker/actions)
[Documentation](https://docs.rs/stacker)
A stack-growth library for Rust. Enables annotating fixed points in programs
where the stack may want to grow larger. Spills over to the heap if the stack
has hit its limit.
This library is intended on helping implement recursive algorithms.
```toml
# Cargo.toml
[dependencies]
stacker = "0.1"
```
## Platform Support
This library currently uses psm for its cross platform capabilities, with a
notable exception of Windows, which uses an implementation based on Fibers. See
the README for psm for the support table.
On all unsupported platforms this library is a noop. It should compile and run,
but it won't actually grow the stack and code will continue to hit the guard
pages typically in place.
# License
This project is licensed under either of
* Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
https://www.apache.org/licenses/LICENSE-2.0)
* MIT license ([LICENSE-MIT](LICENSE-MIT) or
https://opensource.org/license/mit)
at your option.
### Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in this project by you, as defined in the Apache-2.0 license,
shall be dual licensed as above, without any additional terms or conditions.

13
vendor/stacker/build.rs vendored Normal file
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use std::env;
fn main() {
let target = env::var("TARGET").unwrap();
let mut cfg = cc::Build::new();
if target.contains("windows") {
cfg.define("WINDOWS", None);
cfg.file("src/arch/windows.c");
cfg.include("src/arch").compile("libstacker.a");
} else {
return;
}
}

47
vendor/stacker/src/alloc_stack_restore_guard.rs vendored Normal file
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use crate::{get_stack_limit, set_stack_limit};
pub struct StackRestoreGuard {
new_stack: *mut u8,
stack_bytes: usize,
old_stack_limit: Option<usize>,
}
const ALIGNMENT: usize = 16;
impl StackRestoreGuard {
pub fn new(stack_bytes: usize) -> StackRestoreGuard {
// On these platforms we do not use stack guards. this is very unfortunate,
// but there is not much we can do about it without OS support.
// We simply allocate the requested size from the global allocator with a suitable
// alignment.
let stack_bytes = stack_bytes
.checked_add(ALIGNMENT - 1)
.expect("unreasonably large stack requested")
/ ALIGNMENT
* ALIGNMENT;
let layout = std::alloc::Layout::from_size_align(stack_bytes, ALIGNMENT).unwrap();
let ptr = unsafe { std::alloc::alloc(layout) };
assert!(!ptr.is_null(), "unable to allocate stack");
StackRestoreGuard {
new_stack: ptr,
stack_bytes,
old_stack_limit: get_stack_limit(),
}
}
pub fn stack_area(&self) -> (*mut u8, usize) {
(self.new_stack, self.stack_bytes)
}
}
impl Drop for StackRestoreGuard {
fn drop(&mut self) {
unsafe {
std::alloc::dealloc(
self.new_stack,
std::alloc::Layout::from_size_align_unchecked(self.stack_bytes, ALIGNMENT),
);
}
set_stack_limit(self.old_stack_limit);
}
}

5
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#if defined(APPLE) || (defined(WINDOWS) && defined(X86))
#define GLOBAL(name) .globl _ ## name; _ ## name
#else
#define GLOBAL(name) .globl name; name
#endif

5
vendor/stacker/src/arch/windows.c vendored Normal file
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#include <windows.h>
PVOID __stacker_get_current_fiber() {
return GetCurrentFiber();
}

4
vendor/stacker/src/backends/fallback.rs vendored Normal file
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#[inline(always)]
pub unsafe fn guess_os_stack_limit() -> Option<usize> {
None
}

6
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pub unsafe fn guess_os_stack_limit() -> Option<usize> {
Some(
libc::pthread_get_stackaddr_np(libc::pthread_self()) as usize
- libc::pthread_get_stacksize_np(libc::pthread_self()) as usize,
)
}

29
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cfg_if! {
if #[cfg(miri)] {
mod fallback;
pub use fallback::guess_os_stack_limit;
} else if #[cfg(windows)] {
pub(crate) mod windows;
pub use windows::guess_os_stack_limit;
} else if #[cfg(any(
target_os = "linux",
target_os = "solaris",
target_os = "netbsd",
target_os = "freebsd",
target_os = "dragonfly",
target_os = "haiku",
target_os = "illumos"
))] {
mod unix;
pub use unix::guess_os_stack_limit;
} else if #[cfg(target_os = "openbsd")] {
mod openbsd;
pub use openbsd::guess_os_stack_limit;
} else if #[cfg(target_os = "macos")] {
mod macos;
pub use macos::guess_os_stack_limit;
} else {
mod fallback;
pub use fallback::guess_os_stack_limit;
}
}

9
vendor/stacker/src/backends/openbsd.rs vendored Normal file
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pub unsafe fn guess_os_stack_limit() -> Option<usize> {
let mut stackinfo = std::mem::MaybeUninit::<libc::stack_t>::uninit();
let res = libc::pthread_stackseg_np(libc::pthread_self(), stackinfo.as_mut_ptr());
if res != 0 {
return None;
}
let stackinfo = stackinfo.assume_init();
Some(stackinfo.ss_sp as usize - stackinfo.ss_size)
}

40
vendor/stacker/src/backends/unix.rs vendored Normal file
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#[cfg(any(target_os = "freebsd", target_os = "dragonfly", target_os = "illumos"))]
use libc::pthread_attr_get_np as get_attr;
#[cfg(any(target_os = "linux", target_os = "solaris", target_os = "netbsd", target_os = "haiku"))]
use libc::pthread_getattr_np as get_attr;
pub unsafe fn guess_os_stack_limit() -> Option<usize> {
let mut attr = PthreadAttr::new()?;
(get_attr(libc::pthread_self(), &mut attr.0) == 0).then_some(())?;
let mut stackaddr = std::ptr::null_mut();
let mut stacksize = 0;
(libc::pthread_attr_getstack(&attr.0, &mut stackaddr, &mut stacksize) == 0).then_some(())?;
Some(stackaddr as usize)
}
struct PthreadAttr(libc::pthread_attr_t);
impl Drop for PthreadAttr {
fn drop(&mut self) {
unsafe {
let ret = libc::pthread_attr_destroy(&mut self.0);
if ret != 0 {
let err = std::io::Error::last_os_error();
panic!(
"pthread_attr_destroy failed with error code {}: {}",
ret, err
);
}
}
}
}
impl PthreadAttr {
unsafe fn new() -> Option<Self> {
let mut attr = std::mem::MaybeUninit::<libc::pthread_attr_t>::uninit();
if libc::pthread_attr_init(attr.as_mut_ptr()) != 0 {
return None;
}
Some(PthreadAttr(attr.assume_init()))
}
}

142
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use libc::c_void;
use std::io;
use std::ptr;
use windows_sys::Win32::Foundation::BOOL;
use windows_sys::Win32::System::Memory::VirtualQuery;
use windows_sys::Win32::System::Threading::{
ConvertFiberToThread, ConvertThreadToFiber, CreateFiber, DeleteFiber, IsThreadAFiber,
SetThreadStackGuarantee, SwitchToFiber,
};
// Make sure the libstacker.a (implemented in C) is linked.
// See https://github.com/rust-lang/rust/issues/65610
#[link(name = "stacker")]
extern "C" {
fn __stacker_get_current_fiber() -> *mut c_void;
}
struct FiberInfo<F> {
callback: std::mem::MaybeUninit<F>,
panic: Option<Box<dyn std::any::Any + Send + 'static>>,
parent_fiber: *mut c_void,
}
unsafe extern "system" fn fiber_proc<F: FnOnce()>(data: *mut c_void) {
// This function is the entry point to our inner fiber, and as argument we get an
// instance of `FiberInfo`. We will set-up the "runtime" for the callback and execute
// it.
let data = &mut *(data as *mut FiberInfo<F>);
let old_stack_limit = crate::get_stack_limit();
crate::set_stack_limit(guess_os_stack_limit());
let callback = data.callback.as_ptr();
data.panic = std::panic::catch_unwind(std::panic::AssertUnwindSafe(callback.read())).err();
// Restore to the previous Fiber
crate::set_stack_limit(old_stack_limit);
SwitchToFiber(data.parent_fiber);
}
pub fn _grow(stack_size: usize, callback: &mut dyn FnMut()) {
// Fibers (or stackful coroutines) is the only official way to create new stacks on the
// same thread on Windows. So in order to extend the stack we create fiber and switch
// to it so we can use it's stack. After running `callback` within our fiber, we switch
// back to the current stack and destroy the fiber and its associated stack.
unsafe {
let was_fiber = IsThreadAFiber() == 1 as BOOL;
let mut data = FiberInfo {
callback: std::mem::MaybeUninit::new(callback),
panic: None,
parent_fiber: {
if was_fiber {
// Get a handle to the current fiber. We need to use a C implementation
// for this as GetCurrentFiber is an header only function.
__stacker_get_current_fiber()
} else {
// Convert the current thread to a fiber, so we are able to switch back
// to the current stack. Threads coverted to fibers still act like
// regular threads, but they have associated fiber data. We later
// convert it back to a regular thread and free the fiber data.
ConvertThreadToFiber(ptr::null_mut())
}
},
};
if data.parent_fiber.is_null() {
panic!(
"unable to convert thread to fiber: {}",
io::Error::last_os_error()
);
}
let fiber = CreateFiber(
stack_size as usize,
Some(fiber_proc::<&mut dyn FnMut()>),
&mut data as *mut FiberInfo<&mut dyn FnMut()> as *mut _,
);
if fiber.is_null() {
panic!("unable to allocate fiber: {}", io::Error::last_os_error());
}
// Switch to the fiber we created. This changes stacks and starts executing
// fiber_proc on it. fiber_proc will run `callback` and then switch back to run the
// next statement.
SwitchToFiber(fiber);
DeleteFiber(fiber);
// Clean-up.
if !was_fiber && ConvertFiberToThread() == 0 {
// FIXME: Perhaps should not panic here?
panic!(
"unable to convert back to thread: {}",
io::Error::last_os_error()
);
}
if let Some(p) = data.panic {
std::panic::resume_unwind(p);
}
}
}
#[inline(always)]
fn get_thread_stack_guarantee() -> Option<usize> {
let min_guarantee = if cfg!(target_pointer_width = "32") {
0x1000
} else {
0x2000
};
let mut stack_guarantee = 0;
unsafe {
// Read the current thread stack guarantee
// This is the stack reserved for stack overflow
// exception handling.
// This doesn't return the true value so we need
// some further logic to calculate the real stack
// guarantee. This logic is what is used on x86-32 and
// x86-64 Windows 10. Other versions and platforms may differ
let ret = SetThreadStackGuarantee(&mut stack_guarantee);
if ret == 0 {
return None;
}
};
Some(std::cmp::max(stack_guarantee, min_guarantee) as usize + 0x1000)
}
#[inline(always)]
pub unsafe fn guess_os_stack_limit() -> Option<usize> {
// Query the allocation which contains our stack pointer in order
// to discover the size of the stack
//
// FIXME: we could read stack base from the TIB, specifically the 3rd element of it.
type QueryT = windows_sys::Win32::System::Memory::MEMORY_BASIC_INFORMATION;
let mut mi = std::mem::MaybeUninit::<QueryT>::uninit();
let res = VirtualQuery(
psm::stack_pointer() as *const _,
mi.as_mut_ptr(),
std::mem::size_of::<QueryT>() as usize,
);
if res == 0 {
return None;
}
Some(mi.assume_init().AllocationBase as usize + get_thread_stack_guarantee()? + 0x1000)
}

180
vendor/stacker/src/lib.rs vendored Normal file
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//! A library to help grow the stack when it runs out of space.
//!
//! This is an implementation of manually instrumented segmented stacks where points in a program's
//! control flow are annotated with "maybe grow the stack here". Each point of annotation indicates
//! how far away from the end of the stack it's allowed to be, plus the amount of stack to allocate
//! if it does reach the end.
//!
//! Once a program has reached the end of its stack, a temporary stack on the heap is allocated and
//! is switched to for the duration of a closure.
//!
//! For a set of lower-level primitives, consider the `psm` crate.
//!
//! # Examples
//!
//! ```
//! // Grow the stack if we are within the "red zone" of 32K, and if we allocate
//! // a new stack allocate 1MB of stack space.
//! //
//! // If we're already in bounds, just run the provided closure on current stack.
//! stacker::maybe_grow(32 * 1024, 1024 * 1024, || {
//! // guaranteed to have at least 32K of stack
//! });
//! ```
#![allow(improper_ctypes)]
#[macro_use]
extern crate cfg_if;
extern crate libc;
#[cfg(windows)]
extern crate windows_sys;
#[macro_use]
extern crate psm;
mod backends;
use std::cell::Cell;
/// Grows the call stack if necessary.
///
/// This function is intended to be called at manually instrumented points in a program where
/// recursion is known to happen quite a bit. This function will check to see if we're within
/// `red_zone` bytes of the end of the stack, and if so it will allocate a new stack of at least
/// `stack_size` bytes.
///
/// The closure `f` is guaranteed to run on a stack with at least `red_zone` bytes, and it will be
/// run on the current stack if there's space available.
#[inline(always)]
pub fn maybe_grow<R, F: FnOnce() -> R>(red_zone: usize, stack_size: usize, callback: F) -> R {
// if we can't guess the remaining stack (unsupported on some platforms) we immediately grow
// the stack and then cache the new stack size (which we do know now because we allocated it.
let enough_space = match remaining_stack() {
Some(remaining) => remaining >= red_zone,
None => false,
};
if enough_space {
callback()
} else {
grow(stack_size, callback)
}
}
/// Always creates a new stack for the passed closure to run on.
/// The closure will still be on the same thread as the caller of `grow`.
/// This will allocate a new stack with at least `stack_size` bytes.
pub fn grow<R, F: FnOnce() -> R>(stack_size: usize, callback: F) -> R {
// To avoid monomorphizing `_grow()` and everything it calls,
// we convert the generic callback to a dynamic one.
let mut opt_callback = Some(callback);
let mut ret = None;
let ret_ref = &mut ret;
// This wrapper around `callback` achieves two things:
// * It converts the `impl FnOnce` to a `dyn FnMut`.
// `dyn` because we want it to not be generic, and
// `FnMut` because we can't pass a `dyn FnOnce` around without boxing it.
// * It eliminates the generic return value, by writing it to the stack of this function.
// Otherwise the closure would have to return an unsized value, which isn't possible.
let dyn_callback: &mut dyn FnMut() = &mut || {
let taken_callback = opt_callback.take().unwrap();
*ret_ref = Some(taken_callback());
};
_grow(stack_size, dyn_callback);
ret.unwrap()
}
/// Queries the amount of remaining stack as interpreted by this library.
///
/// This function will return the amount of stack space left which will be used
/// to determine whether a stack switch should be made or not.
pub fn remaining_stack() -> Option<usize> {
let current_ptr = current_stack_ptr();
get_stack_limit().map(|limit| current_ptr.saturating_sub(limit))
}
psm_stack_information!(
yes {
fn current_stack_ptr() -> usize {
psm::stack_pointer() as usize
}
}
no {
#[inline(always)]
fn current_stack_ptr() -> usize {
unsafe {
let mut x = std::mem::MaybeUninit::<u8>::uninit();
// Unlikely to be ever exercised. As a fallback we execute a volatile read to a
// local (to hopefully defeat the optimisations that would make this local a static
// global) and take its address. This way we get a very approximate address of the
// current frame.
x.as_mut_ptr().write_volatile(42);
x.as_ptr() as usize
}
}
}
);
thread_local! {
static STACK_LIMIT: Cell<Option<usize>> = Cell::new(unsafe {
backends::guess_os_stack_limit()
})
}
#[inline(always)]
fn get_stack_limit() -> Option<usize> {
STACK_LIMIT.with(|s| s.get())
}
#[inline(always)]
#[allow(unused)]
fn set_stack_limit(l: Option<usize>) {
STACK_LIMIT.with(|s| s.set(l))
}
psm_stack_manipulation! {
yes {
#[cfg(not(any(target_arch = "wasm32",target_os = "hermit")))]
#[path = "mmap_stack_restore_guard.rs"]
mod stack_restore_guard;
#[cfg(any(target_arch = "wasm32",target_os = "hermit"))]
#[path = "alloc_stack_restore_guard.rs"]
mod stack_restore_guard;
use stack_restore_guard::StackRestoreGuard;
fn _grow(requested_stack_size: usize, callback: &mut dyn FnMut()) {
// Other than that this code has no meaningful gotchas.
unsafe {
// We use a guard pattern to ensure we deallocate the allocated stack when we leave
// this function and also try to uphold various safety invariants required by `psm`
// (such as not unwinding from the callback we pass to it).
// `StackRestoreGuard` allocates a memory area with suitable size and alignment.
// It also sets up stack guards if supported on target.
let guard = StackRestoreGuard::new(requested_stack_size);
let (stack_base, allocated_stack_size) = guard.stack_area();
debug_assert!(allocated_stack_size >= requested_stack_size);
set_stack_limit(Some(stack_base as usize));
let panic = psm::on_stack(stack_base, allocated_stack_size, move || {
std::panic::catch_unwind(std::panic::AssertUnwindSafe(callback)).err()
});
drop(guard);
if let Some(p) = panic {
std::panic::resume_unwind(p);
}
}
}
}
no {
#[cfg(not(all(windows, not(miri))))]
fn _grow(stack_size: usize, callback: &mut dyn FnMut()) {
let _ = stack_size;
callback();
}
#[cfg(all(windows, not(miri)))]
use backends::windows::_grow;
}
}

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use crate::{get_stack_limit, set_stack_limit};
pub struct StackRestoreGuard {
mapping: *mut u8,
size_with_guard: usize,
page_size: usize,
old_stack_limit: Option<usize>,
}
impl StackRestoreGuard {
pub fn new(requested_size: usize) -> StackRestoreGuard {
// For maximum portability we want to produce a stack that is aligned to a page and has
// a size that’s a multiple of page size. It is natural to use mmap to allocate
// these pages. Furthermore, we want to allocate two extras pages for the stack guard.
// To achieve that we do our calculations in number of pages and convert to bytes last.
let page_size = page_size();
let requested_pages = requested_size
.checked_add(page_size - 1)
.expect("unreasonably large stack requested")
/ page_size;
let page_count_with_guard = std::cmp::max(1, requested_pages) + 2;
let size_with_guard = page_count_with_guard
.checked_mul(page_size)
.expect("unreasonably large stack requested");
unsafe {
let new_stack = libc::mmap(
std::ptr::null_mut(),
size_with_guard,
libc::PROT_NONE,
libc::MAP_PRIVATE | libc::MAP_ANON,
-1, // Some implementations assert fd = -1 if MAP_ANON is specified
0,
);
assert_ne!(
new_stack,
libc::MAP_FAILED,
"mmap failed to allocate stack: {}",
std::io::Error::last_os_error()
);
let guard = StackRestoreGuard {
mapping: new_stack as *mut u8,
page_size,
size_with_guard,
old_stack_limit: get_stack_limit(),
};
// We leave two guard pages without read/write access in our allocation.
// There is one guard page below the stack and another above it.
let above_guard_page = new_stack.add(page_size);
#[cfg(not(target_os = "openbsd"))]
let result = libc::mprotect(
above_guard_page,
size_with_guard - 2 * page_size,
libc::PROT_READ | libc::PROT_WRITE,
);
#[cfg(target_os = "openbsd")]
let result = if libc::mmap(
above_guard_page,
size_with_guard - 2 * page_size,
libc::PROT_READ | libc::PROT_WRITE,
libc::MAP_FIXED | libc::MAP_PRIVATE | libc::MAP_ANON | libc::MAP_STACK,
-1,
0,
) == above_guard_page
{
0
} else {
-1
};
assert_ne!(
result,
-1,
"mprotect/mmap failed: {}",
std::io::Error::last_os_error()
);
guard
}
}
// TODO this should return a *mut [u8], but pointer slices only got proper support with Rust 1.79.
pub fn stack_area(&self) -> (*mut u8, usize) {
unsafe {
(
self.mapping.add(self.page_size),
self.size_with_guard - 2 * self.page_size,
)
}
}
}
impl Drop for StackRestoreGuard {
fn drop(&mut self) {
unsafe {
// FIXME: check the error code and decide what to do with it.
// Perhaps a debug_assertion?
libc::munmap(self.mapping as *mut std::ffi::c_void, self.size_with_guard);
}
set_stack_limit(self.old_stack_limit);
}
}
fn page_size() -> usize {
// FIXME: consider caching the page size.
unsafe { libc::sysconf(libc::_SC_PAGE_SIZE) as usize }
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_stack_area() {
for stack_size_kb in 1..64 {
let size = stack_size_kb * 1024;
let stack = StackRestoreGuard::new(size);
let (mut ptr, actual_size) = stack.stack_area();
for _ in 0..actual_size {
unsafe {
core::ptr::write_volatile(ptr, 0b10101011);
ptr = ptr.add(1)
}
}
assert_eq!(
actual_size,
size.div_ceil(page_size()) * page_size()
)
}
}
}

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{"name":"stacker","vers":"0.1.23","deps":[{"name":"cfg-if","req":"^1.0.0","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null,"public":null,"artifact":null,"bindep_target":null,"lib":false},{"name":"libc","req":"^0.2.156","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null,"public":null,"artifact":null,"bindep_target":null,"lib":false},{"name":"psm","req":"^0.1.7","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null,"public":null,"artifact":null,"bindep_target":null,"lib":false},{"name":"cc","req":"^1.2.33","features":[],"optional":false,"default_features":true,"target":null,"kind":"build","registry":"https://github.com/rust-lang/crates.io-index","package":null,"public":null,"artifact":null,"bindep_target":null,"lib":false},{"name":"windows-sys","req":">=0.59.0, <0.60.0","features":["Win32_System_Memory","Win32_System_Threading","Win32_Foundation"],"optional":false,"default_features":true,"target":"arm64ec-pc-windows-msvc","kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null,"public":null,"artifact":null,"bindep_target":null,"lib":false},{"name":"windows-sys","req":">=0.52.0, <0.60.0","features":["Win32_System_Memory","Win32_System_Threading","Win32_Foundation"],"optional":false,"default_features":true,"target":"cfg(all(windows, not(target_arch = \"arm64ec\")))","kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null,"public":null,"artifact":null,"bindep_target":null,"lib":false}],"features":{},"features2":null,"cksum":"3cfe21a4e5022d7fff79815766e155fe7cd30919868b92efdda64d18eb81f2c4","yanked":null,"links":null,"rust_version":null,"v":2}

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extern crate stacker;
const RED_ZONE: usize = 100 * 1024; // 100k
const STACK_PER_RECURSION: usize = 1 * 1024 * 1024; // 1MB
pub fn ensure_sufficient_stack<R, F: FnOnce() -> R + std::panic::UnwindSafe>(f: F) -> R {
stacker::maybe_grow(RED_ZONE, STACK_PER_RECURSION, f)
}
#[inline(never)]
fn recurse(n: usize) {
let x = [42u8; 50000];
if n != 0 {
ensure_sufficient_stack(|| recurse(n - 1));
}
#[allow(dropping_copy_types)]
drop(x);
}
#[test]
#[cfg_attr(miri, ignore)] // Too slow under Miri's interpreter
fn foo() {
let limit = if cfg!(target_arch = "wasm32") {
2000
} else {
10000
};
recurse(limit);
}

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extern crate stacker;
use std::sync::mpsc;
use std::thread;
#[inline(never)]
fn __stacker_black_box(_: *const u8) {}
#[test]
fn deep() {
fn foo(n: usize, s: &mut [u8]) {
__stacker_black_box(s.as_ptr());
if n > 0 {
stacker::maybe_grow(64 * 1024, 1024 * 1024, || {
let mut s = [0u8; 1024];
foo(n - 1, &mut s);
__stacker_black_box(s.as_ptr());
})
} else {
println!("bottom");
}
}
let limit = if cfg!(target_arch = "wasm32") || cfg!(miri) {
2000
} else {
256 * 1024
};
foo(limit, &mut []);
}
#[test]
#[cfg_attr(target_arch = "wasm32", ignore)]
#[cfg_attr(miri, ignore)] // Too slow under Miri's interpreter
fn panic() {
fn foo(n: usize, s: &mut [u8]) {
__stacker_black_box(s.as_ptr());
if n > 0 {
stacker::maybe_grow(64 * 1024, 1024 * 1024, || {
let mut s = [0u8; 1024];
foo(n - 1, &mut s);
__stacker_black_box(s.as_ptr());
})
} else {
panic!("bottom");
}
}
let (tx, rx) = mpsc::channel::<()>();
thread::spawn(move || {
foo(64 * 1024, &mut []);
drop(tx);
})
.join()
.unwrap_err();
assert!(rx.recv().is_err());
}
fn recursive<F: FnOnce()>(n: usize, f: F) -> usize {
if n > 0 {
stacker::grow(64 * 1024, || recursive(n - 1, f) + 1)
} else {
f();
0
}
}
#[test]
#[cfg_attr(target_arch = "wasm32", ignore)]
fn catch_panic() {
let panic_result = std::panic::catch_unwind(|| {
recursive(100, || panic!());
});
assert!(panic_result.is_err());
}
#[test]
#[cfg_attr(target_arch = "wasm32", ignore)]
fn catch_panic_inside() {
stacker::grow(64 * 1024, || {
let panic_result = std::panic::catch_unwind(|| {
recursive(100, || panic!());
});
assert!(panic_result.is_err());
});
}
#[test]
#[cfg_attr(target_arch = "wasm32", ignore)]
fn catch_panic_leaf() {
stacker::grow(64 * 1024, || {
let panic_result = std::panic::catch_unwind(|| panic!());
assert!(panic_result.is_err());
});
}