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add assembly bytes for ___chkstk_ms

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Folkert 2022-10-31 23:28:14 +01:00
parent 4e5f6c3def
commit 708de4136b
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1 changed files with 34 additions and 0 deletions
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34
crates/linker/src/pe.rs
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@ -1280,6 +1280,40 @@ pub(crate) fn redirect_libc_functions(name: &str) -> Option<&str> {
}
}
// 0000000000000000 <.text>:
// 0: 51 push rcx
// 1: 50 push rax
// 2: 48 3d 00 10 00 00 cmp rax,0x1000
// 8: 48 8d 4c 24 18 lea rcx,[rsp+0x18]
// d: 72 18 jb 27 <.text+0x27>
// f: 48 81 e9 00 10 00 00 sub rcx,0x1000
// 16: 48 85 09 test QWORD PTR [rcx],rcx
// 19: 48 2d 00 10 00 00 sub rax,0x1000
// 1f: 48 3d 00 10 00 00 cmp rax,0x1000
// 25: 77 e8 ja f <.text+0xf>
// 27: 48 29 c1 sub rcx,rax
// 2a: 48 85 09 test QWORD PTR [rcx],rcx
// 2d: 58 pop rax
// 2e: 59 pop rcx
// 2f: c3 ret
const ___CHKSTK_MS: [u8; 48] = [
0x51, // push rcx
0x50, // push rax
0x48, 0x3d, 0x00, 0x10, 0x00, 0x00, // cmp rax,0x0x1000
0x48, 0x8d, 0x4c, 0x24, 0x18, // lea rcx,0x[rsp+0x18]
0x72, 0x18, // jb 0x27
0x48, 0x81, 0xe9, 0x00, 0x10, 0x00, 0x00, // sub rcx,0x0x1000
0x48, 0x85, 0x09, // test QWORD PTR [rcx],0xrcx
0x48, 0x2d, 0x00, 0x10, 0x00, 0x00, // sub rax,0x0x1000
0x48, 0x3d, 0x00, 0x10, 0x00, 0x00, // cmp rax,0x0x1000
0x77, 0xe8, // ja 0xf
0x48, 0x29, 0xc1, // sub rcx,0xrax
0x48, 0x85, 0x09, // test QWORD PTR [rcx],rcx
0x58, // pop rax
0x59, // pop rcx
0xc3, // ret
];
#[cfg(test)]
mod test {
const PE_DYNHOST: &[u8] = include_bytes!("../dynhost_benchmarks_windows.exe") as &[_];