diff options
Diffstat (limited to 'third_party/rust/crash-context/src/windows.rs')
| -rw-r--r-- | third_party/rust/crash-context/src/windows.rs | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/third_party/rust/crash-context/src/windows.rs b/third_party/rust/crash-context/src/windows.rs new file mode 100644 index 0000000000..231a608c08 --- /dev/null +++ b/third_party/rust/crash-context/src/windows.rs @@ -0,0 +1,262 @@ +/// Full Windows crash context +pub struct CrashContext { + /// The information on the exception. + /// + /// Note that this is a pointer into the actual memory of the crashed process, + /// and is a pointer to an [EXCEPTION_POINTERS](https://learn.microsoft.com/en-us/windows/win32/api/winnt/ns-winnt-exception_pointers) + pub exception_pointers: *const EXCEPTION_POINTERS, + /// The top level exception code from the exception_pointers. This is provided + /// so that external processes don't need to use `ReadProcessMemory` to inspect + /// the exception code + pub exception_code: i32, + /// The pid of the process that crashed + pub process_id: u32, + /// The thread id on which the exception occurred + pub thread_id: u32, +} + +#[link(name = "kernel32")] +extern "system" { + #[link_name = "RtlCaptureContext"] + pub fn capture_context(ctx_rec: *mut CONTEXT); +} + +cfg_if::cfg_if! { + if #[cfg(target_arch = "x86_64")] { + #[repr(C, align(16))] + pub struct M128A { + pub Low: u64, + pub High: i64, + } + + #[repr(C)] + pub struct CONTEXT_0_0 { + pub Header: [M128A; 2], + pub Legacy: [M128A; 8], + pub Xmm0: M128A, + pub Xmm1: M128A, + pub Xmm2: M128A, + pub Xmm3: M128A, + pub Xmm4: M128A, + pub Xmm5: M128A, + pub Xmm6: M128A, + pub Xmm7: M128A, + pub Xmm8: M128A, + pub Xmm9: M128A, + pub Xmm10: M128A, + pub Xmm11: M128A, + pub Xmm12: M128A, + pub Xmm13: M128A, + pub Xmm14: M128A, + pub Xmm15: M128A, + } + + #[repr(C, align(16))] + pub struct XSAVE_FORMAT { + pub ControlWord: u16, + pub StatusWord: u16, + pub TagWord: u8, + pub Reserved1: u8, + pub ErrorOpcode: u16, + pub ErrorOffset: u32, + pub ErrorSelector: u16, + pub Reserved2: u16, + pub DataOffset: u32, + pub DataSelector: u16, + pub Reserved3: u16, + pub MxCsr: u32, + pub MxCsr_Mask: u32, + pub FloatRegisters: [M128A; 8], + pub XmmRegisters: [M128A; 16], + pub Reserved4: [u8; 96], + } + + #[repr(C)] + pub union CONTEXT_0 { + pub FltSave: std::mem::ManuallyDrop<XSAVE_FORMAT>, + pub Anonymous: std::mem::ManuallyDrop<CONTEXT_0_0>, + } + + #[repr(C, align(16))] + pub struct CONTEXT { + pub P1Home: u64, + pub P2Home: u64, + pub P3Home: u64, + pub P4Home: u64, + pub P5Home: u64, + pub P6Home: u64, + pub ContextFlags: u32, + pub MxCsr: u32, + pub SegCs: u16, + pub SegDs: u16, + pub SegEs: u16, + pub SegFs: u16, + pub SegGs: u16, + pub SegSs: u16, + pub EFlags: u32, + pub Dr0: u64, + pub Dr1: u64, + pub Dr2: u64, + pub Dr3: u64, + pub Dr6: u64, + pub Dr7: u64, + pub Rax: u64, + pub Rcx: u64, + pub Rdx: u64, + pub Rbx: u64, + pub Rsp: u64, + pub Rbp: u64, + pub Rsi: u64, + pub Rdi: u64, + pub R8: u64, + pub R9: u64, + pub R10: u64, + pub R11: u64, + pub R12: u64, + pub R13: u64, + pub R14: u64, + pub R15: u64, + pub Rip: u64, + pub Anonymous: CONTEXT_0, + pub VectorRegister: [M128A; 26], + pub VectorControl: u64, + pub DebugControl: u64, + pub LastBranchToRip: u64, + pub LastBranchFromRip: u64, + pub LastExceptionToRip: u64, + pub LastExceptionFromRip: u64, + } + } else if #[cfg(target_arch = "x86")] { + #[repr(C)] + pub struct FLOATING_SAVE_AREA { + pub ControlWord: u32, + pub StatusWord: u32, + pub TagWord: u32, + pub ErrorOffset: u32, + pub ErrorSelector: u32, + pub DataOffset: u32, + pub DataSelector: u32, + pub RegisterArea: [u8; 80], + pub Spare0: u32, + } + + #[repr(C, packed(4))] + pub struct CONTEXT { + pub ContextFlags: u32, + pub Dr0: u32, + pub Dr1: u32, + pub Dr2: u32, + pub Dr3: u32, + pub Dr6: u32, + pub Dr7: u32, + pub FloatSave: FLOATING_SAVE_AREA, + pub SegGs: u32, + pub SegFs: u32, + pub SegEs: u32, + pub SegDs: u32, + pub Edi: u32, + pub Esi: u32, + pub Ebx: u32, + pub Edx: u32, + pub Ecx: u32, + pub Eax: u32, + pub Ebp: u32, + pub Eip: u32, + pub SegCs: u32, + pub EFlags: u32, + pub Esp: u32, + pub SegSs: u32, + pub ExtendedRegisters: [u8; 512], + } + } else if #[cfg(target_arch = "aarch64")] { + #[repr(C)] + pub struct ARM64_NT_NEON128_0 { + pub Low: u64, + pub High: i64, + } + #[repr(C)] + pub union ARM64_NT_NEON128 { + pub Anonymous: std::mem::ManuallyDrop<ARM64_NT_NEON128_0>, + pub D: [f64; 2], + pub S: [f32; 4], + pub H: [u16; 8], + pub B: [u8; 16], + } + + #[repr(C)] + pub struct CONTEXT_0_0 { + 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, + } + + #[repr(C)] + pub union CONTEXT_0 { + pub Anonymous: std::mem::ManuallyDrop<CONTEXT_0_0>, + pub X: [u64; 31], + } + + #[repr(C, align(16))] + pub struct CONTEXT { + pub ContextFlags: u32, + pub Cpsr: u32, + pub Anonymous: CONTEXT_0, + pub Sp: u64, + pub Pc: u64, + pub V: [ARM64_NT_NEON128; 32], + pub Fpcr: u32, + pub Fpsr: u32, + pub Bcr: [u32; 8], + pub Bvr: [u64; 8], + pub Wcr: [u32; 2], + pub Wvr: [u64; 2], + } + } +} + +pub type NTSTATUS = i32; +pub type BOOL = i32; + +#[repr(C)] +pub struct EXCEPTION_RECORD { + pub ExceptionCode: NTSTATUS, + pub ExceptionFlags: u32, + pub ExceptionRecord: *mut EXCEPTION_RECORD, + pub ExceptionAddress: *mut std::ffi::c_void, + pub NumberParameters: u32, + pub ExceptionInformation: [usize; 15], +} + +#[repr(C)] +pub struct EXCEPTION_POINTERS { + pub ExceptionRecord: *mut EXCEPTION_RECORD, + pub ContextRecord: *mut CONTEXT, +} |