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Builtins (#4594)

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automerge
This commit is contained in:
Jack May
2019-06-07 14:38:49 -07:00
committed by Grimes
parent ac6dbf8f04
commit 9a4c449135
7 changed files with 35 additions and 10 deletions
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1
programs/bpf/rust/alloc/Xargo.toml
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@@ -2,6 +2,7 @@
[dependencies.compiler_builtins]
path = "../../../../sdk/bpf/rust-bpf-sysroot/src/compiler-builtins"
features = ["c", "mem"]
[target.bpfel-unknown-unknown.dependencies]
alloc = { path = "../../../../sdk/bpf/rust-bpf-sysroot/src/liballoc" }

30
programs/bpf/rust/alloc/src/lib.rs
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@@ -2,13 +2,14 @@
#![no_std]
#[macro_use]
// #[macro_use]
extern crate alloc;
extern crate solana_sdk_bpf_utils;
use solana_sdk_bpf_utils::log::*;
use core::alloc::Layout;
// use alloc::vec::Vec;
use core::mem;
#[no_mangle]
@@ -82,15 +83,28 @@ pub extern "C" fn entrypoint(_input: *mut u8) -> bool {
// // Test allocated vector
// const ITERS: usize = 100;
// let ones = vec![1_u64; ITERS];
// let mut sum: u64 = 0;
// let ones = vec![1_usize; ITERS];
// let mut sum: usize = 0;
// for (i, v) in ones.iter().enumerate() {
// sol_log_64(i as u64, 0, 0, 0, 0);
// sum += ones[i as usize];
// for v in ones.iter() {
// sum += ones[*v];
// }
// sol_log_64(0x4, 0, 0, 0, sum);
// assert_eq!(sum, ITERS as u64);
// sol_log_64(0x0, 0, 0, 0, sum as u64);
// assert_eq!(sum, ITERS);
// }
// {
// // TODO test Vec::new()
// const ITERS: usize = 100;
// let mut v = Vec::new();
// for i in 0..ITERS {
// sol_log_64(i as u64, 0, 0, 0, 0);
// v.push(i);
// }
// sol_log_64(0x4, 0, 0, 0, v.len() as u64);
// assert_eq!(v.len(), ITERS);
// }
sol_log("Success");