2798271da0
* Add memory operation syscalls (#16447)
(cherry picked from commit 2b50529265)
# Conflicts:
# programs/bpf/Cargo.lock
* Resolve conflicts
Co-authored-by: Jack May <jack@solana.com>
40 lines
1.2 KiB
Rust
40 lines
1.2 KiB
Rust
//! @brief Test builtin mem functions
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#![cfg(target_arch = "bpf")]
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#![feature(rustc_private)]
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extern crate compiler_builtins;
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use solana_bpf_rust_mem::{run_mem_tests, MemOps};
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use solana_program::{custom_panic_default, entrypoint::SUCCESS};
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#[no_mangle]
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pub extern "C" fn entrypoint(_input: *mut u8) -> u64 {
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#[derive(Default)]
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struct MemOpSyscalls();
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impl MemOps for MemOpSyscalls {
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fn memcpy(&self, dst: &mut [u8], src: &[u8], n: usize) {
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unsafe {
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compiler_builtins::mem::memcpy(dst.as_mut_ptr(), src.as_ptr(), n);
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}
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}
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unsafe fn memmove(&self, dst: *mut u8, src: *mut u8, n: usize) {
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compiler_builtins::mem::memmove(dst, src, n);
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}
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fn memset(&self, s: &mut [u8], c: u8, n: usize) {
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unsafe {
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compiler_builtins::mem::memset(s.as_mut_ptr(), c as i32, n);
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}
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}
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fn memcmp(&self, s1: &[u8], s2: &[u8], n: usize) -> i32 {
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unsafe { compiler_builtins::mem::memcmp(s1.as_ptr(), s2.as_ptr(), n) }
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}
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}
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let mem_ops = MemOpSyscalls::default();
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run_mem_tests(mem_ops);
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SUCCESS
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}
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custom_panic_default!();
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