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Support vendor boot unpack/repack

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Fix #6460, close #6620
This commit is contained in:
topjohnwu
2024-07-30 04:00:12 -07:00
parent 3b27de3715
commit 5ac7dc0b37
9 changed files with 217 additions and 67 deletions
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9
native/src/base/cxx_extern.rs
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@@ -7,6 +7,7 @@ use cfg_if::cfg_if;
use cxx::private::c_char;
use libc::mode_t;
use crate::files::map_file_at;
pub(crate) use crate::xwrap::*;
use crate::{
clone_attr, cstr, fclone_attr, fd_path, map_fd, map_file, slice_from_ptr, CxxResultExt,
@@ -61,6 +62,14 @@ pub(crate) fn map_file_for_cxx(path: &Utf8CStr, rw: bool) -> &'static mut [u8] {
map_file(path, rw).log_cxx().unwrap_or(&mut [])
}
pub(crate) fn map_file_at_for_cxx(fd: RawFd, path: &Utf8CStr, rw: bool) -> &'static mut [u8] {
unsafe {
map_file_at(BorrowedFd::borrow_raw(fd), path, rw)
.log_cxx()
.unwrap_or(&mut [])
}
}
pub(crate) fn map_fd_for_cxx(fd: RawFd, sz: usize, rw: bool) -> &'static mut [u8] {
unsafe {
map_fd(BorrowedFd::borrow_raw(fd), sz, rw)