Attempt to fix arm32 Windows

Author: bdbai

src/windows_sys.rs

@@ -245,6 +245,51 @@ pub struct CONTEXT {
     pub SegSs: u32,
     pub ExtendedRegisters: [u8; 512],
 }
+
+cfg_if::cfg_if! {
+    if #[cfg(target_arch = "arm")] {
+        pub const ARM_MAX_BREAKPOINTS: usize = 8;
+        pub const ARM_MAX_WATCHPOINTS: usize = 1;
+
+        #[repr(C)]
+        #[derive(Clone, Copy)]
+        pub struct CONTEXT_u([u64; 32]);
+
+        #[repr(C)]
+        #[derive(Clone, Copy)]
+        pub struct CONTEXT {
+            pub ContextFlags: u32,
+            pub R0: u32,
+            pub R1: u32,
+            pub R2: u32,
+            pub R3: u32,
+            pub R4: u32,
+            pub R5: u32,
+            pub R6: u32,
+            pub R7: u32,
+            pub R8: u32,
+            pub R9: u32,
+            pub R10: u32,
+            pub R11: u32,
+            pub R12: u32,
+            pub Sp: u32,
+            pub Lr: u32,
+            pub Pc: u32,
+            pub Cpsr: u32,
+            pub Fpsrc: u32,
+            pub Padding: u32,
+            pub u: CONTEXT_u,
+            pub Bvr: [u32; ARM_MAX_BREAKPOINTS],
+            pub Bcr: [u32; ARM_MAX_BREAKPOINTS],
+            pub Wvr: [u32; ARM_MAX_WATCHPOINTS],
+            pub Wcr: [u32; ARM_MAX_WATCHPOINTS],
+            pub Padding2: [u32; 2],
+        }
+
+        pub const IMAGE_FILE_MACHINE_ARMNT: IMAGE_FILE_MACHINE = 0x01c4;
+    }
+}
+
 pub type CONTEXT_FLAGS = u32;
 pub const CP_UTF8: u32 = 65001u32;
 pub type CREATE_TOOLHELP_SNAPSHOT_FLAGS = u32;