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fix load program slice error

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This commit is contained in:
WangRunji 2018-11-16 01:33:25 +08:00
parent 5ce7d0a9c0
commit d27ac65df3
1 changed files with 3 additions and 1 deletions
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4
kernel/src/process/context.rs
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@ -83,7 +83,9 @@ impl ContextImpl {
let mem_size = ph.mem_size() as usize;
let target = unsafe { ::core::slice::from_raw_parts_mut(virt_addr as *mut u8, mem_size) };
target[..file_size].copy_from_slice(&data[offset..offset + file_size]);
if file_size != 0 {
target[..file_size].copy_from_slice(&data[offset..offset + file_size]);
}
target[file_size..].iter_mut().for_each(|x| *x = 0);
}
ustack_top = push_args_at_stack(args, ustack_top);