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Add #[link] attributes to dll imports

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This avoids using jmp stubs when calling functions exported from a dll.
This commit is contained in:
Chris Denton 2021-04-30 16:24:49 +01:00
parent bacf770f29
commit 25712afd94
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1 changed files with 3 additions and 0 deletions
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3
library/std/src/sys/windows/c.rs
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@ -688,6 +688,7 @@ if #[cfg(not(target_vendor = "uwp"))] {
pub const TOKEN_READ: DWORD = 0x20008; pub const TOKEN_READ: DWORD = 0x20008;
#[link(name="kernel32")]
extern "system" { extern "system" {
#[link_name = "SystemFunction036"] #[link_name = "SystemFunction036"]
pub fn RtlGenRandom(RandomBuffer: *mut u8, RandomBufferLength: ULONG) -> BOOLEAN; pub fn RtlGenRandom(RandomBuffer: *mut u8, RandomBufferLength: ULONG) -> BOOLEAN;
@ -744,6 +745,7 @@ if #[cfg(target_vendor = "uwp")] {
pub Directory: BOOLEAN, pub Directory: BOOLEAN,
} }
#[link(name="kernel32")]
extern "system" { extern "system" {
pub fn GetFileInformationByHandleEx(hFile: HANDLE, pub fn GetFileInformationByHandleEx(hFile: HANDLE,
fileInfoClass: FILE_INFO_BY_HANDLE_CLASS, fileInfoClass: FILE_INFO_BY_HANDLE_CLASS,
@ -756,6 +758,7 @@ if #[cfg(target_vendor = "uwp")] {
} }
// Shared between Desktop & UWP // Shared between Desktop & UWP
#[link(name = "kernel32")]
extern "system" { extern "system" {
pub fn WSAStartup(wVersionRequested: WORD, lpWSAData: LPWSADATA) -> c_int; pub fn WSAStartup(wVersionRequested: WORD, lpWSAData: LPWSADATA) -> c_int;
pub fn WSACleanup() -> c_int; pub fn WSACleanup() -> c_int;