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Diffstat (limited to 'vendor/backtrace/src/windows.rs')
-rw-r--r-- | vendor/backtrace/src/windows.rs | 693 |
1 files changed, 693 insertions, 0 deletions
diff --git a/vendor/backtrace/src/windows.rs b/vendor/backtrace/src/windows.rs new file mode 100644 index 0000000..92c2b2e --- /dev/null +++ b/vendor/backtrace/src/windows.rs @@ -0,0 +1,693 @@ +//! A module to define the FFI definitions we use on Windows for `dbghelp.dll` +//! +//! This module uses a custom macro, `ffi!`, to wrap all definitions to +//! automatically generate tests to assert that our definitions here are the +//! same as `winapi`. +//! +//! This module largely exists to integrate into libstd itself where winapi is +//! not currently available. + +#![allow(bad_style, dead_code)] + +cfg_if::cfg_if! { + if #[cfg(feature = "verify-winapi")] { + pub use self::winapi::c_void; + pub use self::winapi::HINSTANCE; + pub use self::winapi::FARPROC; + pub use self::winapi::LPSECURITY_ATTRIBUTES; + #[cfg(target_pointer_width = "64")] + pub use self::winapi::PUNWIND_HISTORY_TABLE; + #[cfg(target_pointer_width = "64")] + pub use self::winapi::PRUNTIME_FUNCTION; + + mod winapi { + pub use winapi::ctypes::*; + pub use winapi::shared::basetsd::*; + pub use winapi::shared::minwindef::*; + pub use winapi::um::dbghelp::*; + pub use winapi::um::fileapi::*; + pub use winapi::um::handleapi::*; + pub use winapi::um::libloaderapi::*; + pub use winapi::um::memoryapi::*; + pub use winapi::um::minwinbase::*; + pub use winapi::um::processthreadsapi::*; + pub use winapi::um::synchapi::*; + pub use winapi::um::tlhelp32::*; + pub use winapi::um::winbase::*; + pub use winapi::um::winnt::*; + } + } else { + pub use core::ffi::c_void; + pub type HINSTANCE = *mut c_void; + pub type FARPROC = *mut c_void; + pub type LPSECURITY_ATTRIBUTES = *mut c_void; + #[cfg(target_pointer_width = "64")] + pub type PRUNTIME_FUNCTION = *mut c_void; + #[cfg(target_pointer_width = "64")] + pub type PUNWIND_HISTORY_TABLE = *mut c_void; + } +} + +macro_rules! ffi { + () => (); + + (#[repr($($r:tt)*)] pub struct $name:ident { $(pub $field:ident: $ty:ty,)* } $($rest:tt)*) => ( + #[repr($($r)*)] + #[cfg(not(feature = "verify-winapi"))] + #[derive(Copy, Clone)] + pub struct $name { + $(pub $field: $ty,)* + } + + #[cfg(feature = "verify-winapi")] + pub use self::winapi::$name; + + #[test] + #[cfg(feature = "verify-winapi")] + fn $name() { + use core::mem; + + #[repr($($r)*)] + pub struct $name { + $(pub $field: $ty,)* + } + + assert_eq!( + mem::size_of::<$name>(), + mem::size_of::<winapi::$name>(), + concat!("size of ", stringify!($name), " is wrong"), + ); + assert_eq!( + mem::align_of::<$name>(), + mem::align_of::<winapi::$name>(), + concat!("align of ", stringify!($name), " is wrong"), + ); + + type Winapi = winapi::$name; + + fn assert_same<T>(_: T, _: T) {} + + unsafe { + let a = &*(mem::align_of::<$name>() as *const $name); + let b = &*(mem::align_of::<Winapi>() as *const Winapi); + + $( + ffi!(@test_fields a b $field $ty); + )* + } + } + + ffi!($($rest)*); + ); + + // Handling verification against unions in winapi requires some special care + (@test_fields $a:ident $b:ident FltSave $ty:ty) => ( + // Skip this field on x86_64 `CONTEXT` since it's a union and a bit funny + ); + (@test_fields $a:ident $b:ident D $ty:ty) => ({ + let a = &$a.D; + let b = $b.D(); + assert_same(a, b); + assert_eq!(a as *const $ty, b as *const $ty, "misplaced field D"); + }); + (@test_fields $a:ident $b:ident s $ty:ty) => ({ + let a = &$a.s; + let b = $b.s(); + assert_same(a, b); + assert_eq!(a as *const $ty, b as *const $ty, "misplaced field s"); + }); + + // Otherwise test all fields normally. + (@test_fields $a:ident $b:ident $field:ident $ty:ty) => ({ + let a = &$a.$field; + let b = &$b.$field; + assert_same(a, b); + assert_eq!(a as *const $ty, b as *const $ty, + concat!("misplaced field ", stringify!($field))); + }); + + (pub type $name:ident = $ty:ty; $($rest:tt)*) => ( + pub type $name = $ty; + + #[cfg(feature = "verify-winapi")] + #[allow(dead_code)] + const $name: () = { + fn _foo() { + trait SameType {} + impl<T> SameType for (T, T) {} + fn assert_same<T: SameType>() {} + + assert_same::<($name, winapi::$name)>(); + } + }; + + ffi!($($rest)*); + ); + + (pub const $name:ident: $ty:ty = $val:expr; $($rest:tt)*) => ( + pub const $name: $ty = $val; + + #[cfg(feature = "verify-winapi")] + #[allow(unused_imports)] + mod $name { + use super::*; + #[test] + fn assert_valid() { + let x: $ty = winapi::$name; + assert_eq!(x, $val); + } + } + + + ffi!($($rest)*); + ); + + ($(#[$meta:meta])* extern "system" { $(pub fn $name:ident($($args:tt)*) -> $ret:ty;)* } $($rest:tt)*) => ( + $(#[$meta])* extern "system" { + $(pub fn $name($($args)*) -> $ret;)* + } + + $( + #[cfg(feature = "verify-winapi")] + mod $name { + #[test] + fn assert_same() { + use super::*; + + assert_eq!($name as usize, winapi::$name as usize); + let mut x: unsafe extern "system" fn($($args)*) -> $ret; + x = $name; + let _ = x; + x = winapi::$name; + let _ = x; + } + } + )* + + ffi!($($rest)*); + ); + + (impl $name:ident { $($i:tt)* } $($rest:tt)*) => ( + #[cfg(not(feature = "verify-winapi"))] + impl $name { + $($i)* + } + + ffi!($($rest)*); + ); +} + +ffi! { + #[repr(C)] + pub struct STACKFRAME64 { + pub AddrPC: ADDRESS64, + pub AddrReturn: ADDRESS64, + pub AddrFrame: ADDRESS64, + pub AddrStack: ADDRESS64, + pub AddrBStore: ADDRESS64, + pub FuncTableEntry: PVOID, + pub Params: [DWORD64; 4], + pub Far: BOOL, + pub Virtual: BOOL, + pub Reserved: [DWORD64; 3], + pub KdHelp: KDHELP64, + } + + pub type LPSTACKFRAME64 = *mut STACKFRAME64; + + #[repr(C)] + pub struct STACKFRAME_EX { + pub AddrPC: ADDRESS64, + pub AddrReturn: ADDRESS64, + pub AddrFrame: ADDRESS64, + pub AddrStack: ADDRESS64, + pub AddrBStore: ADDRESS64, + pub FuncTableEntry: PVOID, + pub Params: [DWORD64; 4], + pub Far: BOOL, + pub Virtual: BOOL, + pub Reserved: [DWORD64; 3], + pub KdHelp: KDHELP64, + pub StackFrameSize: DWORD, + pub InlineFrameContext: DWORD, + } + + pub type LPSTACKFRAME_EX = *mut STACKFRAME_EX; + + #[repr(C)] + pub struct IMAGEHLP_LINEW64 { + pub SizeOfStruct: DWORD, + pub Key: PVOID, + pub LineNumber: DWORD, + pub FileName: PWSTR, + pub Address: DWORD64, + } + + pub type PIMAGEHLP_LINEW64 = *mut IMAGEHLP_LINEW64; + + #[repr(C)] + pub struct SYMBOL_INFOW { + pub SizeOfStruct: ULONG, + pub TypeIndex: ULONG, + pub Reserved: [ULONG64; 2], + pub Index: ULONG, + pub Size: ULONG, + pub ModBase: ULONG64, + pub Flags: ULONG, + pub Value: ULONG64, + pub Address: ULONG64, + pub Register: ULONG, + pub Scope: ULONG, + pub Tag: ULONG, + pub NameLen: ULONG, + pub MaxNameLen: ULONG, + pub Name: [WCHAR; 1], + } + + pub type PSYMBOL_INFOW = *mut SYMBOL_INFOW; + + pub type PTRANSLATE_ADDRESS_ROUTINE64 = Option< + unsafe extern "system" fn(hProcess: HANDLE, hThread: HANDLE, lpaddr: LPADDRESS64) -> DWORD64, + >; + pub type PGET_MODULE_BASE_ROUTINE64 = + Option<unsafe extern "system" fn(hProcess: HANDLE, Address: DWORD64) -> DWORD64>; + pub type PFUNCTION_TABLE_ACCESS_ROUTINE64 = + Option<unsafe extern "system" fn(ahProcess: HANDLE, AddrBase: DWORD64) -> PVOID>; + pub type PREAD_PROCESS_MEMORY_ROUTINE64 = Option< + unsafe extern "system" fn( + hProcess: HANDLE, + qwBaseAddress: DWORD64, + lpBuffer: PVOID, + nSize: DWORD, + lpNumberOfBytesRead: LPDWORD, + ) -> BOOL, + >; + + #[repr(C)] + pub struct ADDRESS64 { + pub Offset: DWORD64, + pub Segment: WORD, + pub Mode: ADDRESS_MODE, + } + + pub type LPADDRESS64 = *mut ADDRESS64; + + pub type ADDRESS_MODE = u32; + + #[repr(C)] + pub struct KDHELP64 { + pub Thread: DWORD64, + pub ThCallbackStack: DWORD, + pub ThCallbackBStore: DWORD, + pub NextCallback: DWORD, + pub FramePointer: DWORD, + pub KiCallUserMode: DWORD64, + pub KeUserCallbackDispatcher: DWORD64, + pub SystemRangeStart: DWORD64, + pub KiUserExceptionDispatcher: DWORD64, + pub StackBase: DWORD64, + pub StackLimit: DWORD64, + pub BuildVersion: DWORD, + pub Reserved0: DWORD, + pub Reserved1: [DWORD64; 4], + } + + #[repr(C)] + pub struct MODULEENTRY32W { + pub dwSize: DWORD, + pub th32ModuleID: DWORD, + pub th32ProcessID: DWORD, + pub GlblcntUsage: DWORD, + pub ProccntUsage: DWORD, + pub modBaseAddr: *mut u8, + pub modBaseSize: DWORD, + pub hModule: HMODULE, + pub szModule: [WCHAR; MAX_MODULE_NAME32 + 1], + pub szExePath: [WCHAR; MAX_PATH], + } + + pub const MAX_SYM_NAME: usize = 2000; + pub const AddrModeFlat: ADDRESS_MODE = 3; + pub const TRUE: BOOL = 1; + pub const FALSE: BOOL = 0; + pub const PROCESS_QUERY_INFORMATION: DWORD = 0x400; + pub const IMAGE_FILE_MACHINE_ARM64: u16 = 43620; + pub const IMAGE_FILE_MACHINE_AMD64: u16 = 34404; + pub const IMAGE_FILE_MACHINE_I386: u16 = 332; + pub const IMAGE_FILE_MACHINE_ARMNT: u16 = 452; + pub const FILE_SHARE_READ: DWORD = 0x1; + pub const FILE_SHARE_WRITE: DWORD = 0x2; + pub const OPEN_EXISTING: DWORD = 0x3; + pub const GENERIC_READ: DWORD = 0x80000000; + pub const INFINITE: DWORD = !0; + pub const PAGE_READONLY: DWORD = 2; + pub const FILE_MAP_READ: DWORD = 4; + pub const TH32CS_SNAPMODULE: DWORD = 0x00000008; + pub const INVALID_HANDLE_VALUE: HANDLE = -1isize as HANDLE; + pub const MAX_MODULE_NAME32: usize = 255; + pub const MAX_PATH: usize = 260; + + pub type DWORD = u32; + pub type PDWORD = *mut u32; + pub type BOOL = i32; + pub type DWORD64 = u64; + pub type PDWORD64 = *mut u64; + pub type HANDLE = *mut c_void; + pub type PVOID = HANDLE; + pub type PCWSTR = *const u16; + pub type LPSTR = *mut i8; + pub type LPCSTR = *const i8; + pub type PWSTR = *mut u16; + pub type WORD = u16; + pub type ULONG = u32; + pub type ULONG64 = u64; + pub type WCHAR = u16; + pub type PCONTEXT = *mut CONTEXT; + pub type LPDWORD = *mut DWORD; + pub type DWORDLONG = u64; + pub type HMODULE = HINSTANCE; + pub type SIZE_T = usize; + pub type LPVOID = *mut c_void; + pub type LPCVOID = *const c_void; + pub type LPMODULEENTRY32W = *mut MODULEENTRY32W; + + #[link(name = "kernel32")] + extern "system" { + pub fn GetCurrentProcess() -> HANDLE; + pub fn GetCurrentThread() -> HANDLE; + pub fn RtlCaptureContext(ContextRecord: PCONTEXT) -> (); + pub fn LoadLibraryA(a: *const i8) -> HMODULE; + pub fn GetProcAddress(h: HMODULE, name: *const i8) -> FARPROC; + pub fn GetModuleHandleA(name: *const i8) -> HMODULE; + pub fn OpenProcess( + dwDesiredAccess: DWORD, + bInheitHandle: BOOL, + dwProcessId: DWORD, + ) -> HANDLE; + pub fn GetCurrentProcessId() -> DWORD; + pub fn CloseHandle(h: HANDLE) -> BOOL; + pub fn CreateFileA( + lpFileName: LPCSTR, + dwDesiredAccess: DWORD, + dwShareMode: DWORD, + lpSecurityAttributes: LPSECURITY_ATTRIBUTES, + dwCreationDisposition: DWORD, + dwFlagsAndAttributes: DWORD, + hTemplateFile: HANDLE, + ) -> HANDLE; + pub fn CreateMutexA( + attrs: LPSECURITY_ATTRIBUTES, + initial: BOOL, + name: LPCSTR, + ) -> HANDLE; + pub fn ReleaseMutex(hMutex: HANDLE) -> BOOL; + pub fn WaitForSingleObjectEx( + hHandle: HANDLE, + dwMilliseconds: DWORD, + bAlertable: BOOL, + ) -> DWORD; + pub fn CreateFileMappingA( + hFile: HANDLE, + lpFileMappingAttributes: LPSECURITY_ATTRIBUTES, + flProtect: DWORD, + dwMaximumSizeHigh: DWORD, + dwMaximumSizeLow: DWORD, + lpName: LPCSTR, + ) -> HANDLE; + pub fn MapViewOfFile( + hFileMappingObject: HANDLE, + dwDesiredAccess: DWORD, + dwFileOffsetHigh: DWORD, + dwFileOffsetLow: DWORD, + dwNumberOfBytesToMap: SIZE_T, + ) -> LPVOID; + pub fn UnmapViewOfFile(lpBaseAddress: LPCVOID) -> BOOL; + pub fn CreateToolhelp32Snapshot( + dwFlags: DWORD, + th32ProcessID: DWORD, + ) -> HANDLE; + pub fn Module32FirstW( + hSnapshot: HANDLE, + lpme: LPMODULEENTRY32W, + ) -> BOOL; + pub fn Module32NextW( + hSnapshot: HANDLE, + lpme: LPMODULEENTRY32W, + ) -> BOOL; + } +} + +#[cfg(target_pointer_width = "64")] +ffi! { + #[link(name = "kernel32")] + extern "system" { + pub fn RtlLookupFunctionEntry( + ControlPc: DWORD64, + ImageBase: PDWORD64, + HistoryTable: PUNWIND_HISTORY_TABLE, + ) -> PRUNTIME_FUNCTION; + } +} + +#[cfg(target_arch = "aarch64")] +ffi! { + #[repr(C, align(16))] + pub struct CONTEXT { + pub ContextFlags: DWORD, + pub Cpsr: DWORD, + pub u: CONTEXT_u, + pub Sp: u64, + pub Pc: u64, + pub V: [ARM64_NT_NEON128; 32], + pub Fpcr: DWORD, + pub Fpsr: DWORD, + pub Bcr: [DWORD; ARM64_MAX_BREAKPOINTS], + pub Bvr: [DWORD64; ARM64_MAX_BREAKPOINTS], + pub Wcr: [DWORD; ARM64_MAX_WATCHPOINTS], + pub Wvr: [DWORD64; ARM64_MAX_WATCHPOINTS], + } + + #[repr(C)] + pub struct CONTEXT_u { + pub s: CONTEXT_u_s, + } + + impl CONTEXT_u { + pub unsafe fn s(&self) -> &CONTEXT_u_s { + &self.s + } + } + + #[repr(C)] + pub struct CONTEXT_u_s { + pub X0: u64, + pub X1: u64, + pub X2: u64, + pub X3: u64, + pub X4: u64, + pub X5: u64, + pub X6: u64, + pub X7: u64, + pub X8: u64, + pub X9: u64, + pub X10: u64, + pub X11: u64, + pub X12: u64, + pub X13: u64, + pub X14: u64, + pub X15: u64, + pub X16: u64, + pub X17: u64, + pub X18: u64, + pub X19: u64, + pub X20: u64, + pub X21: u64, + pub X22: u64, + pub X23: u64, + pub X24: u64, + pub X25: u64, + pub X26: u64, + pub X27: u64, + pub X28: u64, + pub Fp: u64, + pub Lr: u64, + } + + pub const ARM64_MAX_BREAKPOINTS: usize = 8; + pub const ARM64_MAX_WATCHPOINTS: usize = 2; + + #[repr(C)] + pub struct ARM64_NT_NEON128 { + pub D: [f64; 2], + } +} + +#[cfg(target_arch = "x86")] +ffi! { + #[repr(C)] + pub struct CONTEXT { + pub ContextFlags: DWORD, + pub Dr0: DWORD, + pub Dr1: DWORD, + pub Dr2: DWORD, + pub Dr3: DWORD, + pub Dr6: DWORD, + pub Dr7: DWORD, + pub FloatSave: FLOATING_SAVE_AREA, + pub SegGs: DWORD, + pub SegFs: DWORD, + pub SegEs: DWORD, + pub SegDs: DWORD, + pub Edi: DWORD, + pub Esi: DWORD, + pub Ebx: DWORD, + pub Edx: DWORD, + pub Ecx: DWORD, + pub Eax: DWORD, + pub Ebp: DWORD, + pub Eip: DWORD, + pub SegCs: DWORD, + pub EFlags: DWORD, + pub Esp: DWORD, + pub SegSs: DWORD, + pub ExtendedRegisters: [u8; 512], + } + + #[repr(C)] + pub struct FLOATING_SAVE_AREA { + pub ControlWord: DWORD, + pub StatusWord: DWORD, + pub TagWord: DWORD, + pub ErrorOffset: DWORD, + pub ErrorSelector: DWORD, + pub DataOffset: DWORD, + pub DataSelector: DWORD, + pub RegisterArea: [u8; 80], + pub Spare0: DWORD, + } +} + +#[cfg(target_arch = "x86_64")] +ffi! { + #[repr(C, align(8))] + pub struct CONTEXT { + pub P1Home: DWORDLONG, + pub P2Home: DWORDLONG, + pub P3Home: DWORDLONG, + pub P4Home: DWORDLONG, + pub P5Home: DWORDLONG, + pub P6Home: DWORDLONG, + + pub ContextFlags: DWORD, + pub MxCsr: DWORD, + + pub SegCs: WORD, + pub SegDs: WORD, + pub SegEs: WORD, + pub SegFs: WORD, + pub SegGs: WORD, + pub SegSs: WORD, + pub EFlags: DWORD, + + pub Dr0: DWORDLONG, + pub Dr1: DWORDLONG, + pub Dr2: DWORDLONG, + pub Dr3: DWORDLONG, + pub Dr6: DWORDLONG, + pub Dr7: DWORDLONG, + + pub Rax: DWORDLONG, + pub Rcx: DWORDLONG, + pub Rdx: DWORDLONG, + pub Rbx: DWORDLONG, + pub Rsp: DWORDLONG, + pub Rbp: DWORDLONG, + pub Rsi: DWORDLONG, + pub Rdi: DWORDLONG, + pub R8: DWORDLONG, + pub R9: DWORDLONG, + pub R10: DWORDLONG, + pub R11: DWORDLONG, + pub R12: DWORDLONG, + pub R13: DWORDLONG, + pub R14: DWORDLONG, + pub R15: DWORDLONG, + + pub Rip: DWORDLONG, + + pub FltSave: FLOATING_SAVE_AREA, + + pub VectorRegister: [M128A; 26], + pub VectorControl: DWORDLONG, + + pub DebugControl: DWORDLONG, + pub LastBranchToRip: DWORDLONG, + pub LastBranchFromRip: DWORDLONG, + pub LastExceptionToRip: DWORDLONG, + pub LastExceptionFromRip: DWORDLONG, + } + + #[repr(C)] + pub struct M128A { + pub Low: u64, + pub High: i64, + } +} + +#[repr(C)] +#[cfg(target_arch = "x86_64")] +#[derive(Copy, Clone)] +pub struct FLOATING_SAVE_AREA { + _Dummy: [u8; 512], +} + +#[cfg(target_arch = "arm")] +ffi! { + // #[repr(C)] + // pub struct NEON128 { + // pub Low: ULONG64, + // pub High: LONG64, + // } + + // pub type PNEON128 = *mut NEON128; + + #[repr(C)] + pub struct CONTEXT_u { + // pub Q: [NEON128; 16], + pub D: [ULONG64; 32], + // pub S: [DWORD; 32], + } + + pub const ARM_MAX_BREAKPOINTS: usize = 8; + pub const ARM_MAX_WATCHPOINTS: usize = 1; + + #[repr(C)] + pub struct CONTEXT { + pub ContextFlags: DWORD, + pub R0: DWORD, + pub R1: DWORD, + pub R2: DWORD, + pub R3: DWORD, + pub R4: DWORD, + pub R5: DWORD, + pub R6: DWORD, + pub R7: DWORD, + pub R8: DWORD, + pub R9: DWORD, + pub R10: DWORD, + pub R11: DWORD, + pub R12: DWORD, + pub Sp: DWORD, + pub Lr: DWORD, + pub Pc: DWORD, + pub Cpsr: DWORD, + pub Fpsrc: DWORD, + pub Padding: DWORD, + pub u: CONTEXT_u, + pub Bvr: [DWORD; ARM_MAX_BREAKPOINTS], + pub Bcr: [DWORD; ARM_MAX_BREAKPOINTS], + pub Wvr: [DWORD; ARM_MAX_WATCHPOINTS], + pub Wcr: [DWORD; ARM_MAX_WATCHPOINTS], + pub Padding2: [DWORD; 2], + } +} // IFDEF(arm) |