Add bazel rule for no_std flavour of oak_functions_service

This is half of the exercise, because we need a std build that includes
wasmtime but wasmtime is being problematic.

Bug: 349587510
Change-Id: Ia09608eb7a58240c41f647e70282e554d56cc194

Cargo.bazel.lock

@@ -2201,12 +2201,6 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
-[[package]]
-name = "multi-stash"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "685a9ac4b61f4e728e1d2c6a7844609c16527aeb5e6c865915c08e619c16410f"
-
 [[package]]
 name = "multimap"
 version = "0.8.3"
@@ -2336,17 +2330,6 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
 
-[[package]]
-name = "num-derive"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed3955f1a9c7c0c15e092f9c887db08b1fc683305fdf6eb6684f22555355e202"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.58",
-]
-
 [[package]]
 name = "num-integer"
 version = "0.1.46"
@@ -3609,16 +3592,6 @@ dependencies = [
  "thread_local",
 ]
 
-[[package]]
-name = "string-interner"
-version = "0.17.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c6a0d765f5807e98a091107bae0a56ea3799f66a5de47b2c84c94a39c09974e"
-dependencies = [
- "cfg-if",
- "hashbrown 0.14.3",
-]
-
 [[package]]
 name = "strsim"
 version = "0.11.1"
@@ -4362,37 +4335,28 @@ dependencies = [
 
 [[package]]
 name = "wasmi"
-version = "0.33.0"
+version = "0.31.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d81cc42a9b7e7f4145fecc7360849438a5f4bc3e48ac3ac5edc3b5493c152d8"
+checksum = "77a8281d1d660cdf54c76a3efa9ddd0c270cada1383a995db3ccb43d166456c7"
 dependencies = [
- "arrayvec",
- "multi-stash",
- "num-derive",
- "num-traits",
  "smallvec",
  "spin 0.9.8",
- "wasmi_collections",
+ "wasmi_arena",
  "wasmi_core",
  "wasmparser-nostd",
 ]
 
 [[package]]
-name = "wasmi_collections"
-version = "0.33.0"
+name = "wasmi_arena"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f6968a028db1def31d086e6b9cede39325996602750091bdb471fefe4c15a04"
-dependencies = [
- "ahash",
- "hashbrown 0.14.3",
- "string-interner",
-]
+checksum = "104a7f73be44570cac297b3035d76b169d6599637631cf37a1703326a0727073"
 
 [[package]]
 name = "wasmi_core"
-version = "0.33.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6fa3327fa8ff84ccc3b6670195c47bf246a831c253d10b152c41985784ab346d"
+checksum = "dcf1a7db34bff95b85c261002720c00c3a6168256dcb93041d3fa2054d19856a"
 dependencies = [
  "downcast-rs",
  "libm",

Cargo_no_std.bazel.lock

@@ -342,10 +342,17 @@ dependencies = [
  "static_assertions",
  "strum",
  "virtio-drivers",
+ "wasmi",
  "x86_64",
  "zeroize",
 ]
 
+[[package]]
+name = "downcast-rs"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75b325c5dbd37f80359721ad39aca5a29fb04c89279657cffdda8736d0c0b9d2"
+
 [[package]]
 name = "ecdsa"
 version = "0.16.9"
@@ -523,6 +530,12 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "indexmap-nostd"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
+
 [[package]]
 name = "inout"
 version = "0.1.3"
@@ -538,6 +551,12 @@ version = "0.2.154"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ae743338b92ff9146ce83992f766a31066a91a8c84a45e0e9f21e7cf6de6d346"
 
+[[package]]
+name = "libm"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ec2a862134d2a7d32d7983ddcdd1c4923530833c9f2ea1a44fc5fa473989058"
+
 [[package]]
 name = "lock_api"
 version = "0.4.12"
@@ -560,6 +579,15 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3e2e65a1a2e43cfcb47a895c4c8b10d1f4a61097f9f254f183aee60cad9c651d"
 
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "opaque-debug"
 version = "0.3.1"
@@ -578,6 +606,12 @@ dependencies = [
  "sha2",
 ]
 
+[[package]]
+name = "paste"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
+
 [[package]]
 name = "pem-rfc7468"
 version = "0.7.0"
@@ -811,6 +845,18 @@ dependencies = [
  "rand_core",
 ]
 
+[[package]]
+name = "smallvec"
+version = "1.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
+
+[[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+
 [[package]]
 name = "spinning_top"
 version = "0.2.5"
@@ -932,6 +978,46 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasmi"
+version = "0.31.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77a8281d1d660cdf54c76a3efa9ddd0c270cada1383a995db3ccb43d166456c7"
+dependencies = [
+ "smallvec",
+ "spin",
+ "wasmi_arena",
+ "wasmi_core",
+ "wasmparser-nostd",
+]
+
+[[package]]
+name = "wasmi_arena"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "104a7f73be44570cac297b3035d76b169d6599637631cf37a1703326a0727073"
+
+[[package]]
+name = "wasmi_core"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcf1a7db34bff95b85c261002720c00c3a6168256dcb93041d3fa2054d19856a"
+dependencies = [
+ "downcast-rs",
+ "libm",
+ "num-traits",
+ "paste",
+]
+
+[[package]]
+name = "wasmparser-nostd"
+version = "0.100.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d5a015fe95f3504a94bb1462c717aae75253e39b9dd6c3fb1062c934535c64aa"
+dependencies = [
+ "indexmap-nostd",
+]
+
 [[package]]
 name = "wyz"
 version = "0.5.1"

bazel/crates/oak_crates_index.bzl

@@ -428,7 +428,8 @@ def oak_crates_index(cargo_lockfile, lockfile):
             "walkdir": crate.spec(version = "*"),
             "wasmi": crate.spec(
                 default_features = False,
-                version = "*",
+                # same version as cargo, newer versions had compatibility issues
+                version = "0.31.2",
             ),
             "wasmtime": crate.spec(version = "*"),
             "which": crate.spec(version = "*"),

bazel/crates/oak_no_std_crates_index.bzl

@@ -173,6 +173,11 @@ def oak_no_std_crates_index(cargo_lockfile, lockfile):
                 default_features = False,
                 version = "*",
             ),
+            "wasmi": crate.spec(
+                default_features = False,
+                # same version as cargo, newer versions had compatibility issues
+                version = "0.31.2",
+            ),
         },
         supported_platform_triples = [
             # Linux for dependencies of build scripts (they run on host):