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static contract in c

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NikVolf
2017-04-27 23:18:54 +03:00
parent 3df0243f6a
commit 5df3164400
2 changed files with 78 additions and 8 deletions
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runner/build.sh
+13 -8
View File
@@ -9,17 +9,22 @@ if [ ${file: -3} == ".rs" ]
then
# Rust is compiled with rustc
rustc $file -o out/contract.js -O --target wasm32-unknown-emscripten
# Allocator replacer
cargo run --manifest-path=./../ext/Cargo.toml --release -- ./out/contract.wasm ./out/contract.wasm
# Symbols optimizer
cargo run --manifest-path=./../opt/Cargo.toml --release -- ./out/contract.wasm ./out/contract.wasm
# Gas injector
cargo run --manifest-path=./../gas/Cargo.toml --release -- ./out/contract.wasm ./out/contract.wasm
else
# c/c++ can be compiled directly by emcc
emcc $file -Os -s WASM=1 -s SIDE_MODULE=1 -o out/contract.wasm
# Gas injector
cargo run --manifest-path=./../gas/Cargo.toml --release -- ./out/contract.wasm ./out/contract.wasm
fi
# Gas injector
cargo run --manifest-path=./../gas/Cargo.toml --release -- ./out/contract.wasm ./out/contract.wasm
# Allocator replacer
cargo run --manifest-path=./../ext/Cargo.toml --release -- ./out/contract.wasm ./out/contract.wasm
# Symbols optimizer
cargo run --manifest-path=./../opt/Cargo.toml --release -- ./out/contract.wasm ./out/contract.wasm
samples/static_contract.c
+65
View File
@@ -0,0 +1,65 @@
int data;
int call(void* descriptor) {
int* input_length = (int*)(descriptor+4);
data += *input_length;
}
/* produces the following code (with gas counter)
(module
(type (;0;) (func (param i32) (result i32)))
(type (;1;) (func))
(type (;2;) (func (param i32)))
(import "env" "memoryBase" (global (;0;) i32))
(import "env" "memory" (memory (;0;) 256))
(import "env" "table" (table (;0;) 0 anyfunc))
(import "env" "tableBase" (global (;1;) i32))
(import "env" "gas" (func (;0;) (type 2)))
(func (;1;) (type 0) (param i32) (result i32)
i32.const 2
call 0
block i32 ;; label = @1
i32.const 13
call 0
get_global 0
i32.const 5242880
i32.add
get_global 0
i32.const 5242880
i32.add
i32.load
get_local 0
i32.load offset=4
i32.add
i32.store
i32.const 0
end)
(func (;2;) (type 1)
i32.const 2
call 0
nop)
(func (;3;) (type 1)
i32.const 2
call 0
block ;; label = @1
i32.const 8
call 0
get_global 0
set_global 2
get_global 2
i32.const 5242880
i32.add
set_global 3
call 2
end)
(global (;2;) (mut i32) (i32.const 0))
(global (;3;) (mut i32) (i32.const 0))
(global (;4;) i32 (i32.const 5242880))
(export "__post_instantiate" (func 3))
(export "runPostSets" (func 2))
(export "_call" (func 1))
(export "_data" (global 4)))
*/