cross compiling support (with x86_64-pc-windows-gnu on linux) #2
4 changed files with 58 additions and 166 deletions
11
build.rs
11
build.rs
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@ -1,11 +0,0 @@
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fn main() {
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cc::Build::new().file("version.asm").compile("version");
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println!("cargo:rerun-if-changed=version.asm");
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println!(
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"cargo:rustc-link-search=native={}",
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std::env::var("OUT_DIR").unwrap()
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);
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println!("cargo:rustc-link-lib=static=version");
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println!("cargo:rustc-link-arg=/DEF:version.def");
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}
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@ -1,29 +1,7 @@
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use libloading::{Error, Library, Symbol};
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use libloading::{Error, Library, Symbol};
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use std::arch::asm;
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use std::env;
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use std::env;
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use std::ffi::CStr;
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use std::ffi::{CStr, CString};
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static FUNCTION_NAMES: &[&CStr] = &[
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c"GetFileVersionInfoA",
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c"GetFileVersionInfoByHandle",
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c"GetFileVersionInfoExA",
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c"GetFileVersionInfoExW",
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c"GetFileVersionInfoSizeA",
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c"GetFileVersionInfoSizeExA",
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c"GetFileVersionInfoSizeExW",
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c"GetFileVersionInfoSizeW",
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c"GetFileVersionInfoW",
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c"VerFindFileA",
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c"VerFindFileW",
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c"VerInstallFileA",
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c"VerInstallFileW",
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c"VerLanguageNameA",
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c"VerLanguageNameW",
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c"VerQueryValueA",
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c"VerQueryValueW",
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];
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#[no_mangle]
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static mut ORIGINAL_FUNCTIONS: [*const usize; 17] = [0 as *const usize; 17];
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pub struct VersionDllProxy {
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pub struct VersionDllProxy {
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library: Library,
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library: Library,
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@ -52,3 +30,59 @@ impl VersionDllProxy {
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Ok(())
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Ok(())
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}
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}
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}
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}
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macro_rules! count_exprs {
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() => {0usize};
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($head:expr, $($tail:expr,)*) => {1usize + count_exprs!($($tail,)*)};
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}
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macro_rules! version_dll_proxy {
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($($fn_name:ident),*) => {
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static FUNCTION_NAMES: &[&CStr] = &[
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$(
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unsafe { CStr::from_bytes_with_nul_unchecked(concat!(stringify!($fn_name), "\0").as_bytes()) }
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),*,
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];
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#[no_mangle]
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static mut ORIGINAL_FUNCTIONS: [*const usize; count_exprs!($($fn_name,)*)] = [0 as *const usize; count_exprs!($($fn_name,)*)];
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$(
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#[no_mangle]
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extern "C" fn $fn_name() {
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let function_name = FUNCTION_NAMES
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.iter()
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.position(|&name| name == CString::new(stringify!($fn_name)).unwrap().as_ref())
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.unwrap();
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let fn_addr = unsafe { ORIGINAL_FUNCTIONS[function_name] };
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unsafe {
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asm! {
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"call {tmp}",
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tmp = in(reg) fn_addr,
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clobber_abi("C")
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}
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}
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}
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)*
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};
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}
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version_dll_proxy! {
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GetFileVersionInfoA,
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GetFileVersionInfoByHandle,
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GetFileVersionInfoExA,
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GetFileVersionInfoExW,
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GetFileVersionInfoSizeA,
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GetFileVersionInfoSizeExA,
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GetFileVersionInfoSizeExW,
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GetFileVersionInfoSizeW,
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GetFileVersionInfoW,
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VerFindFileA,
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VerFindFileW,
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VerInstallFileA,
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VerInstallFileW,
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VerLanguageNameA,
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VerLanguageNameW,
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VerQueryValueA,
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VerQueryValueW
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}
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112
version.asm
112
version.asm
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@ -1,112 +0,0 @@
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ifdef RAX
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.code
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extern ORIGINAL_FUNCTIONS:QWORD
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GetFileVersionInfoA proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[0 * 8]
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GetFileVersionInfoA endp
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GetFileVersionInfoByHandle proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[1 * 8]
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GetFileVersionInfoByHandle endp
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GetFileVersionInfoExA proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[2 * 8]
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GetFileVersionInfoExA endp
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GetFileVersionInfoExW proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[3 * 8]
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GetFileVersionInfoExW endp
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GetFileVersionInfoSizeA proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[4 * 8]
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GetFileVersionInfoSizeA endp
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GetFileVersionInfoSizeExA proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[5 * 8]
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GetFileVersionInfoSizeExA endp
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GetFileVersionInfoSizeExW proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[6 * 8]
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GetFileVersionInfoSizeExW endp
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GetFileVersionInfoSizeW proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[7 * 8]
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GetFileVersionInfoSizeW endp
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GetFileVersionInfoW proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[8 * 8]
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GetFileVersionInfoW endp
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VerFindFileA proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[9 * 8]
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VerFindFileA endp
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VerFindFileW proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[10 * 8]
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VerFindFileW endp
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VerInstallFileA proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[11 * 8]
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VerInstallFileA endp
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VerInstallFileW proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[12 * 8]
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VerInstallFileW endp
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VerLanguageNameA proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[13 * 8]
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VerLanguageNameA endp
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VerLanguageNameW proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[14 * 8]
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VerLanguageNameW endp
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VerQueryValueA proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[15 * 8]
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VerQueryValueA endp
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VerQueryValueW proc
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jmp QWORD ptr ORIGINAL_FUNCTIONS[16 * 8]
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VerQueryValueW endp
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else
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.model flat, C
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.stack 4096
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.code
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extern ORIGINAL_FUNCTIONS:DWORD
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GetFileVersionInfoA proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[0 * 4]
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GetFileVersionInfoA endp
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GetFileVersionInfoByHandle proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[1 * 4]
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GetFileVersionInfoByHandle endp
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GetFileVersionInfoExA proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[2 * 4]
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GetFileVersionInfoExA endp
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GetFileVersionInfoExW proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[3 * 4]
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GetFileVersionInfoExW endp
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GetFileVersionInfoSizeA proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[4 * 4]
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GetFileVersionInfoSizeA endp
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GetFileVersionInfoSizeExA proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[5 * 4]
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GetFileVersionInfoSizeExA endp
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GetFileVersionInfoSizeExW proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[6 * 4]
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GetFileVersionInfoSizeExW endp
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GetFileVersionInfoSizeW proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[7 * 4]
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GetFileVersionInfoSizeW endp
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GetFileVersionInfoW proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[8 * 4]
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GetFileVersionInfoW endp
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VerFindFileA proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[9 * 4]
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VerFindFileA endp
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VerFindFileW proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[10 * 4]
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VerFindFileW endp
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VerInstallFileA proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[11 * 4]
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VerInstallFileA endp
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VerInstallFileW proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[12 * 4]
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VerInstallFileW endp
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VerLanguageNameA proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[13 * 4]
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VerLanguageNameA endp
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VerLanguageNameW proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[14 * 4]
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VerLanguageNameW endp
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VerQueryValueA proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[15 * 4]
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VerQueryValueA endp
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VerQueryValueW proc
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jmp DWORD ptr ORIGINAL_FUNCTIONS[16 * 4]
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VerQueryValueW endp
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endif
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end
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19
version.def
19
version.def
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@ -1,19 +0,0 @@
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EXPORTS
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GetFileVersionInfoA
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GetFileVersionInfoByHandle
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GetFileVersionInfoExA
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GetFileVersionInfoExW
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GetFileVersionInfoSizeA
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GetFileVersionInfoSizeExA
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GetFileVersionInfoSizeExW
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GetFileVersionInfoSizeW
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GetFileVersionInfoW
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VerFindFileA
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VerFindFileW
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VerInstallFileA
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VerInstallFileW
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VerLanguageNameA
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VerLanguageNameW
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VerQueryValueA
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VerQueryValueW
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