Allow building SGX modules

Author: nhynes

rust/.rustfmt.toml

@@ -1,13 +1,15 @@
 max_width = 100
 hard_tabs = false
 tab_spaces = 2
-newline_style = "Unix"
-use_small_heuristics = true
+newline_style = "Auto"
+use_small_heuristics = "Default"
 indent_style = "Block"
 wrap_comments = false
 comment_width = 80
 normalize_comments = false
-format_strings = true
+format_strings = false
+format_macro_matchers = false
+format_macro_bodies = true
 empty_item_single_line = true
 struct_lit_single_line = true
 fn_single_line = false
@@ -22,9 +24,8 @@ type_punctuation_density = "Wide"
 space_before_colon = false
 space_after_colon = true
 spaces_around_ranges = false
-spaces_within_parens_and_brackets = false
 binop_separator = "Front"
-remove_blank_lines_at_start_or_end_of_block = true
+remove_nested_parens = true
 combine_control_expr = true
 struct_field_align_threshold = 0
 match_arm_blocks = true
@@ -37,21 +38,22 @@ trailing_comma = "Vertical"
 match_block_trailing_comma = false
 blank_lines_upper_bound = 1
 blank_lines_lower_bound = 0
+edition = "Edition2015"
 merge_derives = true
 use_try_shorthand = true
-condense_wildcard_suffixes = true
-force_explicit_abi = true
 use_field_init_shorthand = false
-write_mode = "Overwrite"
+force_explicit_abi = true
+condense_wildcard_suffixes = false
 color = "Auto"
-required_version = "0.6.1"
+required_version = "0.99.4"
 unstable_features = false
 disable_all_formatting = false
 skip_children = false
 hide_parse_errors = false
-error_on_line_overflow = true
-error_on_unformatted = true
+error_on_line_overflow = false
+error_on_unformatted = false
 report_todo = "Never"
 report_fixme = "Never"
 ignore = []
-verbose_diff = false
+emit_mode = "Files"
+make_backup = false

rust/Cargo.toml

@@ -3,28 +3,26 @@ name = "tvm"
 version = "0.1.0"
 license = "Apache-2.0"
 description = "TVM Rust runtime"
-repository = "https://github.com/nhynes/tvm-rs"
+repository = "https://github.com/dmlc/tvm"
 readme = "README.md"
 keywords = ["tvm", "nnvm"]
 categories = ["api-bindings", "science"]
 authors = ["Nick Hynes <[email protected]>"]
 
 [features]
-par-launch-alloc = []
+default = ["nom/std"]
+sgx = ["nom/alloc"]
 
 [dependencies]
 bounded-spsc-queue = "0.4.0"
 error-chain = { version = "0.12.0", default-features = false }
 itertools = "0.7.8"
-lazy_static = "1.0.0"
+lazy_static = "1.1.0"
 ndarray = "0.11.2"
-nom = "4.0.0"
+nom = {version = "4.0.0", default-features = false }
 serde = "1.0.59"
-serde_derive = "1.0.59"
+serde_derive = "1.0.79"
 serde_json = "1.0.17"
 
 [target.'cfg(not(target_env = "sgx"))'.dependencies]
 num_cpus = "1.8.0"
-
-[build-dependencies]
-bindgen = "0.37"

rust/build.rs

@@ -1,4 +1,8 @@
-use std::{alloc, num};
+#[cfg(target_env = "sgx")]
+use alloc::alloc;
+#[cfg(not(target_env = "sgx"))]
+use std::alloc;
+use std::num;
 
 use ndarray;
 use serde_json;
@@ -22,9 +26,14 @@ error_chain! {
   }
   foreign_links {
     Alloc(alloc::AllocErr);
-    Layout(alloc::LayoutErr);
     GraphDeserialize(serde_json::Error);
     ParseInt(num::ParseIntError);
     ShapeError(ndarray::ShapeError);
   }
 }
+
+impl From<alloc::LayoutErr> for Error {
+  fn from(_err: alloc::LayoutErr) -> Error {
+    Error::from_kind(ErrorKind::Msg("Layout error".to_string()))
+  }
+}

rust/src/errors.rs

@@ -1,6 +1,19 @@
-#![feature(allocator_api, box_syntax, fn_traits, try_from, unboxed_closures)]
+#![feature(
+  alloc,
+  allocator_api,
+  box_syntax,
+  extern_prelude,
+  fn_traits,
+  try_from,
+  unboxed_closures,
+  vec_remove_item
+)]
 
+#[cfg(target_env = "sgx")]
+extern crate alloc;
 extern crate bounded_spsc_queue;
+#[cfg(target_env = "sgx")]
+extern crate core;
 #[macro_use]
 extern crate error_chain;
 #[macro_use]
@@ -18,12 +31,20 @@ extern crate serde_derive;
 extern crate serde_json;
 
 pub mod ffi {
-  #![allow(non_camel_case_types, non_snake_case, non_upper_case_globals, unused)]
+  #![allow(
+    non_camel_case_types,
+    non_snake_case,
+    non_upper_case_globals,
+    unused
+  )]
 
   pub mod runtime {
     use std::os::raw::{c_char, c_int, c_void};
 
-    include!(concat!(env!("OUT_DIR"), "/c_runtime_api.rs"));
+    include!(concat!(
+      env!("CARGO_MANIFEST_DIR"),
+      "/src/runtime/c_runtime_api.rs"
+    ));
 
     pub type BackendPackedCFunc =
       extern "C" fn(args: *const TVMValue, type_codes: *const c_int, num_args: c_int) -> c_int;

rust/src/lib.rs

@@ -1,3 +1,6 @@
+#[cfg(target_env = "sgx")]
+use alloc::alloc::{self, Layout};
+#[cfg(not(target_env = "sgx"))]
 use std::alloc::{self, Layout};
 
 use errors::*;

rust/src/runtime/allocator.rs

@@ -3,8 +3,7 @@ use std::{
   convert::TryFrom,
   mem,
   os::raw::{c_int, c_void},
-  ptr,
-  slice,
+  ptr, slice,
 };
 
 use ndarray;
@@ -172,8 +171,7 @@ impl<'a> Tensor<'a> {
                 expected_stride * (*shape as usize),
               )
             },
-          )
-          .0
+          ).0
       }
     }
   }
@@ -254,7 +252,11 @@ macro_rules! impl_ndarray_try_from_tensor {
           tensor.dtype
         );
         Ok(ndarray::Array::from_shape_vec(
-          tensor.shape.iter().map(|s| *s as usize).collect::<Vec<usize>>(),
+          tensor
+            .shape
+            .iter()
+            .map(|s| *s as usize)
+            .collect::<Vec<usize>>(),
           tensor.to_vec::<$type>(),
         )?)
       }
@@ -347,12 +349,12 @@ macro_rules! make_dtype_const {
       bits: $bits,
       lanes: $lanes,
     };
-  }
+  };
 }
 
 make_dtype_const!(DTYPE_INT32, DLDataTypeCode_kDLInt, 32, 1);
 make_dtype_const!(DTYPE_UINT32, DLDataTypeCode_kDLUInt, 32, 1);
-make_dtype_const!(DTYPE_FLOAT16, DLDataTypeCode_kDLFloat, 16, 1);
+// make_dtype_const!(DTYPE_FLOAT16, DLDataTypeCode_kDLFloat, 16, 1);
 make_dtype_const!(DTYPE_FLOAT32, DLDataTypeCode_kDLFloat, 32, 1);
 make_dtype_const!(DTYPE_FLOAT64, DLDataTypeCode_kDLFloat, 64, 1);