feat(tvix/eval): use backtrace-on-stack-overflow crate
The backtrace-on-stack-overflow create provides best-effort stack traces when a stack overflow happens. Since it's running on the (usually tiny) signal alternate stack this isn't easy. This is guarded by a new `backtrace_overflow` feature flag and never enabled (even if that feature is selected) for release builds. This is strictly for debugging; there's crazy unsafe voodoo in there. https://lib.rs/crates/backtrace-on-stack-overflow Example output: ``` Stack Overflow: 0: backtrace_on_stack_overflow::handle_sigsegv at /home/amjoseph/.cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-on-stack-overflow-0.2.0/src/lib.rs:93:40 1: <unknown> 2: __rust_probestack 3: tvix_eval::vm::VM::run_op at src/vm.rs:399 4: tvix_eval::vm::VM::run at src/vm.rs:388:23 5: tvix_eval::vm::VM::enter_frame at src/vm.rs:360:22 6: tvix_eval::value::thunk::Thunk::force at src/value/thunk.rs:116:25 7: tvix_eval::vm::VM::run_op at src/vm.rs:801:37 8: tvix_eval::vm::VM::run at src/vm.rs:388:23 9: tvix_eval::vm::VM::enter_frame at src/vm.rs:360:22 10: tvix_eval::value::thunk::Thunk::force at src/value/thunk.rs:116:25 ... ``` Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: I1d8a2017f836be7bf91a2223e7adacb86fa1dbb2 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7354 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
This commit is contained in:
Adam Joseph
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checksum = "9b7820b9daea5457c9f21c69448905d723fbd21136ccf521748f23fd49e723ee"
|
||||
|
||||
[[package]]
|
||||
name = "output_vt100"
|
||||
|
|
@ -632,9 +721,9 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "ppv-lite86"
|
||||
version = "0.2.16"
|
||||
version = "0.2.17"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
|
||||
checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
|
||||
|
||||
[[package]]
|
||||
name = "pretty_assertions"
|
||||
|
|
@ -655,9 +744,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
|||
checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
|
||||
dependencies = [
|
||||
"proc-macro-error-attr",
|
||||
"proc-macro2 1.0.43",
|
||||
"proc-macro2 1.0.47",
|
||||
"quote 1.0.21",
|
||||
"syn 1.0.99",
|
||||
"syn 1.0.103",
|
||||
"version_check",
|
||||
]
|
||||
|
||||
|
|
@ -667,7 +756,7 @@ version = "1.0.4"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
|
||||
dependencies = [
|
||||
"proc-macro2 1.0.43",
|
||||
"proc-macro2 1.0.47",
|
||||
"quote 1.0.21",
|
||||
"version_check",
|
||||
]
|
||||
|
|
@ -683,9 +772,9 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "proc-macro2"
|
||||
version = "1.0.43"
|
||||
version = "1.0.47"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0a2ca2c61bc9f3d74d2886294ab7b9853abd9c1ad903a3ac7815c58989bb7bab"
|
||||
checksum = "5ea3d908b0e36316caf9e9e2c4625cdde190a7e6f440d794667ed17a1855e725"
|
||||
dependencies = [
|
||||
"unicode-ident",
|
||||
]
|
||||
|
|
@ -729,7 +818,7 @@ version = "1.0.21"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
|
||||
dependencies = [
|
||||
"proc-macro2 1.0.43",
|
||||
"proc-macro2 1.0.47",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -811,11 +900,10 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "rayon"
|
||||
version = "1.5.3"
|
||||
version = "1.6.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bd99e5772ead8baa5215278c9b15bf92087709e9c1b2d1f97cdb5a183c933a7d"
|
||||
checksum = "1e060280438193c554f654141c9ea9417886713b7acd75974c85b18a69a88e0b"
|
||||
dependencies = [
|
||||
"autocfg",
|
||||
"crossbeam-deque",
|
||||
"either",
|
||||
"rayon-core",
|
||||
|
|
@ -823,9 +911,9 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "rayon-core"
|
||||
version = "1.9.3"
|
||||
version = "1.10.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "258bcdb5ac6dad48491bb2992db6b7cf74878b0384908af124823d118c99683f"
|
||||
checksum = "cac410af5d00ab6884528b4ab69d1e8e146e8d471201800fa1b4524126de6ad3"
|
||||
dependencies = [
|
||||
"crossbeam-channel",
|
||||
"crossbeam-deque",
|
||||
|
|
@ -864,9 +952,9 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "regex"
|
||||
version = "1.6.0"
|
||||
version = "1.7.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4c4eb3267174b8c6c2f654116623910a0fef09c4753f8dd83db29c48a0df988b"
|
||||
checksum = "e076559ef8e241f2ae3479e36f97bd5741c0330689e217ad51ce2c76808b868a"
|
||||
dependencies = [
|
||||
"aho-corasick",
|
||||
"memchr",
|
||||
|
|
@ -881,9 +969,9 @@ checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
|
|||
|
||||
[[package]]
|
||||
name = "regex-syntax"
|
||||
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|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a3f87b73ce11b1619a3c6332f45341e0047173771e8b8b73f87bfeefb7b56244"
|
||||
checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
|
||||
|
||||
[[package]]
|
||||
name = "remove_dir_all"
|
||||
|
|
@ -904,17 +992,23 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "rowan"
|
||||
version = "0.15.9"
|
||||
version = "0.15.10"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7aeb3c95eac7794161baf500b5d4647217ffb32b6660c04d3bb087c834cb58f4"
|
||||
checksum = "5811547e7ba31e903fe48c8ceab10d40d70a101f3d15523c847cce91aa71f332"
|
||||
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|
||||
"countme",
|
||||
"hashbrown",
|
||||
"memoffset",
|
||||
"memoffset 0.6.5",
|
||||
"rustc-hash",
|
||||
"text-size",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rustc-demangle"
|
||||
version = "0.1.21"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
|
||||
|
||||
[[package]]
|
||||
name = "rustc-hash"
|
||||
version = "1.1.0"
|
||||
|
|
@ -923,9 +1017,9 @@ checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
|
|||
|
||||
[[package]]
|
||||
name = "rustix"
|
||||
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|
||||
version = "0.36.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "72c825b8aa8010eb9ee99b75f05e10180b9278d161583034d7574c9d617aeada"
|
||||
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|
||||
dependencies = [
|
||||
"bitflags",
|
||||
"errno",
|
||||
|
|
@ -949,7 +1043,7 @@ dependencies = [
|
|||
"libc",
|
||||
"log",
|
||||
"memchr",
|
||||
"nix",
|
||||
"nix 0.24.2",
|
||||
"radix_trie",
|
||||
"scopeguard",
|
||||
"unicode-segmentation",
|
||||
|
|
@ -981,9 +1075,9 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
|
|||
|
||||
[[package]]
|
||||
name = "serde"
|
||||
version = "1.0.144"
|
||||
version = "1.0.147"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0f747710de3dcd43b88c9168773254e809d8ddbdf9653b84e2554ab219f17860"
|
||||
checksum = "d193d69bae983fc11a79df82342761dfbf28a99fc8d203dca4c3c1b590948965"
|
||||
|
||||
[[package]]
|
||||
name = "serde_cbor"
|
||||
|
|
@ -997,31 +1091,31 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "serde_derive"
|
||||
version = "1.0.144"
|
||||
version = "1.0.147"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "94ed3a816fb1d101812f83e789f888322c34e291f894f19590dc310963e87a00"
|
||||
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|
||||
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|
||||
"proc-macro2 1.0.43",
|
||||
"proc-macro2 1.0.47",
|
||||
"quote 1.0.21",
|
||||
"syn 1.0.99",
|
||||
"syn 1.0.103",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde_json"
|
||||
version = "1.0.86"
|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
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|
||||
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|
||||
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|
||||
"itoa 1.0.3",
|
||||
"itoa 1.0.4",
|
||||
"ryu",
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "smallvec"
|
||||
version = "1.9.0"
|
||||
version = "1.10.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
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|
||||
checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
|
||||
|
||||
[[package]]
|
||||
name = "smol_str"
|
||||
|
|
@ -1050,10 +1144,10 @@ version = "0.1.5"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1bd9c2155aa89fb2c2cb87d99a610c689e7c47099b3e9f1c8a8f53faf4e3d2e3"
|
||||
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|
||||
"proc-macro2 1.0.43",
|
||||
"proc-macro2 1.0.47",
|
||||
"quote 1.0.21",
|
||||
"structmeta-derive",
|
||||
"syn 1.0.99",
|
||||
"syn 1.0.103",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -1062,9 +1156,9 @@ version = "0.1.5"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bafede0d0a2f21910f36d47b1558caae3076ed80f6f3ad0fc85a91e6ba7e5938"
|
||||
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|
||||
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|
||||
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|
||||
"quote 1.0.21",
|
||||
"syn 1.0.99",
|
||||
"syn 1.0.103",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -1080,11 +1174,11 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "1.0.99"
|
||||
version = "1.0.103"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"proc-macro2 1.0.47",
|
||||
"quote 1.0.21",
|
||||
"unicode-ident",
|
||||
]
|
||||
|
|
@ -1149,10 +1243,10 @@ version = "0.2.1"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"quote 1.0.21",
|
||||
"structmeta",
|
||||
"syn 1.0.99",
|
||||
"syn 1.0.103",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -1172,28 +1266,28 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "textwrap"
|
||||
version = "0.15.1"
|
||||
version = "0.16.0"
|
||||
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|
||||
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|
||||
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|
||||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
checksum = "10deb33631e3c9018b9baf9dcbbc4f737320d2b576bac10f6aefa048fa407e3e"
|
||||
dependencies = [
|
||||
"thiserror-impl",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thiserror-impl"
|
||||
version = "1.0.35"
|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"syn 1.0.103",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -1210,7 +1304,8 @@ dependencies = [
|
|||
name = "tvix-eval"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"clap 3.2.22",
|
||||
"backtrace-on-stack-overflow",
|
||||
"clap 3.2.23",
|
||||
"codemap",
|
||||
"codemap-diagnostic",
|
||||
"criterion",
|
||||
|
|
@ -1237,16 +1332,16 @@ dependencies = [
|
|||
name = "tvix-eval-builtin-macros"
|
||||
version = "0.0.1"
|
||||
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|
||||
"proc-macro2 1.0.43",
|
||||
"proc-macro2 1.0.47",
|
||||
"quote 1.0.21",
|
||||
"syn 1.0.99",
|
||||
"syn 1.0.103",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-ident"
|
||||
version = "1.0.4"
|
||||
version = "1.0.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "dcc811dc4066ac62f84f11307873c4850cb653bfa9b1719cee2bd2204a4bc5dd"
|
||||
checksum = "6ceab39d59e4c9499d4e5a8ee0e2735b891bb7308ac83dfb4e80cad195c9f6f3"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-segmentation"
|
||||
|
|
@ -1314,9 +1409,9 @@ dependencies = [
|
|||
"bumpalo",
|
||||
"log",
|
||||
"once_cell",
|
||||
"proc-macro2 1.0.43",
|
||||
"proc-macro2 1.0.47",
|
||||
"quote 1.0.21",
|
||||
"syn 1.0.99",
|
||||
"syn 1.0.103",
|
||||
"wasm-bindgen-shared",
|
||||
]
|
||||
|
||||
|
|
@ -1336,9 +1431,9 @@ version = "0.2.83"
|
|||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
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|
||||
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|
||||
"proc-macro2 1.0.43",
|
||||
"proc-macro2 1.0.47",
|
||||
"quote 1.0.21",
|
||||
"syn 1.0.99",
|
||||
"syn 1.0.103",
|
||||
"wasm-bindgen-backend",
|
||||
"wasm-bindgen-shared",
|
||||
]
|
||||
|
|
@ -1392,46 +1487,60 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
|||
|
||||
[[package]]
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm",
|
||||
"windows_aarch64_msvc",
|
||||
"windows_i686_gnu",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.36.1"
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
|
||||
checksum = "41d2aa71f6f0cbe00ae5167d90ef3cfe66527d6f613ca78ac8024c3ccab9a19e"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "dd0f252f5a35cac83d6311b2e795981f5ee6e67eb1f9a7f64eb4500fbc4dcdb4"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.36.1"
|
||||
version = "0.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
|
||||
checksum = "fbeae19f6716841636c28d695375df17562ca208b2b7d0dc47635a50ae6c5de7"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.36.1"
|
||||
version = "0.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
|
||||
checksum = "84c12f65daa39dd2babe6e442988fc329d6243fdce47d7d2d155b8d874862246"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.36.1"
|
||||
version = "0.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
|
||||
checksum = "bf7b1b21b5362cbc318f686150e5bcea75ecedc74dd157d874d754a2ca44b0ed"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "09d525d2ba30eeb3297665bd434a54297e4170c7f1a44cad4ef58095b4cd2028"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.36.1"
|
||||
version = "0.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
|
||||
checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5"
|
||||
|
||||
[[package]]
|
||||
name = "yansi"
|
||||
|
|
|
|||
|
|
@ -28,6 +28,7 @@ serde = "1.0"
|
|||
serde_json = "1.0"
|
||||
regex = "1.6.0"
|
||||
builtin-macros = { path = "./builtin-macros", package = "tvix-eval-builtin-macros" }
|
||||
backtrace-on-stack-overflow = { version = "0.2.0", optional = true }
|
||||
|
||||
# rnix has not been released in a while (as of 2022-09-23), we will
|
||||
# use it from git.
|
||||
|
|
@ -43,7 +44,7 @@ itertools = "0.10.3"
|
|||
tempdir = "0.3.7"
|
||||
|
||||
[features]
|
||||
default = [ "repl", "impure", "arbitrary", "nix_tests" ]
|
||||
default = [ "repl", "impure", "arbitrary", "nix_tests", "backtrace_overflow" ]
|
||||
|
||||
# Enables running the Nix language test suite from the original C++
|
||||
# Nix implementation (at version 2.3) against Tvix.
|
||||
|
|
@ -58,6 +59,9 @@ impure = []
|
|||
# Enables Arbitrary impls for internal types (required to run tests)
|
||||
arbitrary = [ "proptest", "test-strategy" ]
|
||||
|
||||
# For debugging use only; not appropriate for production use.
|
||||
backtrace_overflow = [ "backtrace-on-stack-overflow" ]
|
||||
|
||||
[[bench]]
|
||||
name = "eval"
|
||||
harness = false
|
||||
|
|
|
|||
|
|
@ -148,6 +148,15 @@ macro_rules! cmp_op {
|
|||
|
||||
impl<'o> VM<'o> {
|
||||
pub fn new(nix_search_path: NixSearchPath, observer: &'o mut dyn RuntimeObserver) -> Self {
|
||||
// Backtrace-on-stack-overflow is some seriously weird voodoo and
|
||||
// very unsafe. This double-guard prevents it from accidentally
|
||||
// being enabled on release builds.
|
||||
#[cfg(debug_assertions)]
|
||||
#[cfg(feature = "backtrace_overflow")]
|
||||
unsafe {
|
||||
backtrace_on_stack_overflow::enable();
|
||||
};
|
||||
|
||||
Self {
|
||||
nix_search_path,
|
||||
observer,
|
||||
|
|
|
|||
Loading…
Reference in a new issue