188 lines
7.8 KiB
Rust
188 lines
7.8 KiB
Rust
//! @brief Test builtin mem functions
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#![cfg(target_arch = "bpf")]
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#![feature(compiler_builtins_lib)]
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extern crate compiler_builtins;
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use solana_program::{custom_panic_default, entrypoint::SUCCESS, info};
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#[no_mangle]
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pub extern "C" fn entrypoint(_input: *mut u8) -> u64 {
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unsafe {
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// memcpy
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let src = &mut [1_u8; 18];
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let dst = &mut [0_u8; 1];
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compiler_builtins::mem::memcpy(&mut src[0] as *mut u8, &mut dst[0] as *mut u8, 1);
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assert_eq!(&src[..1], dst);
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let dst = &mut [0_u8; 3];
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compiler_builtins::mem::memcpy(&mut src[0] as *mut u8, &mut dst[0] as *mut u8, 3);
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assert_eq!(&src[..3], dst);
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let dst = &mut [0_u8; 8];
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compiler_builtins::mem::memcpy(&mut src[0] as *mut u8, &mut dst[0] as *mut u8, 8);
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assert_eq!(&src[..8], dst);
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let dst = &mut [0_u8; 9];
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compiler_builtins::mem::memcpy(&mut src[0] as *mut u8, &mut dst[0] as *mut u8, 9);
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assert_eq!(&src[..9], dst);
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let dst = &mut [0_u8; 16];
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compiler_builtins::mem::memcpy(&mut src[0] as *mut u8, &mut dst[0] as *mut u8, 16);
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assert_eq!(&src[..16], dst);
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let dst = &mut [0_u8; 18];
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compiler_builtins::mem::memcpy(&mut src[0] as *mut u8, &mut dst[0] as *mut u8, 18);
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assert_eq!(&src[..18], dst);
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let dst = &mut [0_u8; 18];
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compiler_builtins::mem::memcpy(&mut src[1] as *mut u8, &mut dst[0] as *mut u8, 17);
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assert_eq!(&src[1..], &dst[1..]);
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let dst = &mut [0_u8; 18];
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compiler_builtins::mem::memcpy(&mut src[1] as *mut u8, &mut dst[1] as *mut u8, 17);
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assert_eq!(&src[1..], &dst[..17]);
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// memmove
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let buf = &mut [1_u8, 0];
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compiler_builtins::mem::memmove(&mut buf[0] as *mut u8, &mut buf[1] as *mut u8, 1);
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assert_eq!(buf[0], buf[1]);
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let buf = &mut [1_u8, 0];
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compiler_builtins::mem::memmove(&mut buf[1] as *mut u8, &mut buf[0] as *mut u8, 1);
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assert_eq!(buf[0], buf[1]);
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let buf = &mut [1_u8, 1, 1, 0, 0, 0];
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compiler_builtins::mem::memmove(&mut buf[0] as *mut u8, &mut buf[3] as *mut u8, 3);
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assert_eq!(buf[..3], buf[3..]);
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let buf = &mut [1_u8, 1, 1, 0, 0, 0];
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compiler_builtins::mem::memmove(&mut buf[3] as *mut u8, &mut buf[0] as *mut u8, 3);
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assert_eq!(buf[..3], buf[3..]);
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let buf = &mut [1_u8, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0];
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compiler_builtins::mem::memmove(&mut buf[0] as *mut u8, &mut buf[8] as *mut u8, 8);
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assert_eq!(buf[..8], buf[8..]);
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let buf = &mut [1_u8, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0];
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compiler_builtins::mem::memmove(&mut buf[8] as *mut u8, &mut buf[0] as *mut u8, 8);
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assert_eq!(buf[..8], buf[8..]);
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let buf = &mut [1_u8, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0];
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compiler_builtins::mem::memmove(&mut buf[0] as *mut u8, &mut buf[9] as *mut u8, 9);
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assert_eq!(buf[..9], buf[9..]);
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let buf = &mut [1_u8, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0];
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compiler_builtins::mem::memmove(&mut buf[9] as *mut u8, &mut buf[0] as *mut u8, 9);
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assert_eq!(buf[..9], buf[9..]);
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let buf = &mut [
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1_u8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0,
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];
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compiler_builtins::mem::memmove(&mut buf[0] as *mut u8, &mut buf[16] as *mut u8, 16);
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assert_eq!(buf[..16], buf[16..]);
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let buf = &mut [
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1_u8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0,
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];
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compiler_builtins::mem::memmove(&mut buf[16] as *mut u8, &mut buf[0] as *mut u8, 16);
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assert_eq!(buf[..16], buf[16..]);
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let buf = &mut [
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1_u8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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];
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compiler_builtins::mem::memmove(&mut buf[0] as *mut u8, &mut buf[18] as *mut u8, 18);
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assert_eq!(buf[..18], buf[18..]);
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let buf = &mut [
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1_u8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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];
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compiler_builtins::mem::memmove(&mut buf[18] as *mut u8, &mut buf[0] as *mut u8, 18);
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assert_eq!(buf[..18], buf[18..]);
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let buf = &mut [
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1_u8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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];
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compiler_builtins::mem::memmove(&mut buf[1] as *mut u8, &mut buf[18] as *mut u8, 17);
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assert_eq!(buf[1..17], buf[18..34]);
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let buf = &mut [
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1_u8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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];
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compiler_builtins::mem::memmove(&mut buf[19] as *mut u8, &mut buf[1] as *mut u8, 17);
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assert_eq!(buf[..17], buf[19..]);
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// memset
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let exp = &[1_u8; 18];
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let buf = &mut [0_u8; 18];
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compiler_builtins::mem::memset(&mut buf[0] as *mut u8, 1, 1);
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assert_eq!(exp[..1], buf[..1]);
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compiler_builtins::mem::memset(&mut buf[0] as *mut u8, 1, 3);
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assert_eq!(exp[..3], buf[..3]);
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compiler_builtins::mem::memset(&mut buf[0] as *mut u8, 1, 8);
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assert_eq!(exp[..8], buf[..8]);
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compiler_builtins::mem::memset(&mut buf[0] as *mut u8, 1, 9);
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assert_eq!(exp[..9], buf[..9]);
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compiler_builtins::mem::memset(&mut buf[0] as *mut u8, 1, 16);
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assert_eq!(exp[..16], buf[..16]);
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compiler_builtins::mem::memset(&mut buf[0] as *mut u8, 1, 18);
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assert_eq!(exp[..18], buf[..18]);
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compiler_builtins::mem::memset(&mut buf[1] as *mut u8, 1, 17);
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assert_eq!(exp[1..18], buf[1..18]);
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// memcmp
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assert_eq!(
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-1,
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compiler_builtins::mem::memcmp(&[0_u8] as *const u8, &[1_u8] as *const u8, 1)
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);
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assert_eq!(
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-1,
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compiler_builtins::mem::memcmp(
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&[0_u8, 0, 0] as *const u8,
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&[0_u8, 0, 1] as *const u8,
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3
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)
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);
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assert_eq!(
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0,
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compiler_builtins::mem::memcmp(
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&[0_u8, 0, 0, 0, 0, 0, 0, 0, 0] as *const u8,
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&[0_u8, 0, 0, 0, 0, 0, 0, 0, 0] as *const u8,
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9
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)
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);
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assert_eq!(
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-1,
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compiler_builtins::mem::memcmp(
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&[0_u8, 0, 0, 0, 0, 0, 0, 0, 0] as *const u8,
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&[0_u8, 0, 0, 0, 0, 0, 0, 0, 1] as *const u8,
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9
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)
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);
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assert_eq!(
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-1,
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compiler_builtins::mem::memcmp(
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&[0_u8, 0, 0, 0, 0, 0, 0, 0, 0, 0] as *const u8,
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&[0_u8, 0, 0, 0, 0, 0, 0, 0, 0, 1] as *const u8,
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10
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)
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);
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assert_eq!(
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0,
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compiler_builtins::mem::memcmp(&[0_u8; 8] as *const u8, &[0_u8; 8] as *const u8, 8)
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);
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assert_eq!(
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-1,
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compiler_builtins::mem::memcmp(&[0_u8; 8] as *const u8, &[1_u8; 8] as *const u8, 8)
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);
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assert_eq!(
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-1,
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compiler_builtins::mem::memcmp(&[0_u8; 16] as *const u8, &[1_u8; 16] as *const u8, 16)
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);
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assert_eq!(
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-1,
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compiler_builtins::mem::memcmp(&[0_u8; 18] as *const u8, &[1_u8; 18] as *const u8, 18)
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);
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let one = &[0_u8; 18];
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let two = &[1_u8; 18];
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assert_eq!(
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-1,
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compiler_builtins::mem::memcmp(&one[1] as *const u8, &two[0] as *const u8, 17)
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);
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assert_eq!(
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-1,
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compiler_builtins::mem::memcmp(&one[1] as *const u8, &two[1] as *const u8, 17)
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);
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}
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SUCCESS
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}
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custom_panic_default!();
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