Merge pull request #685 from bdbai/fix/win-arm32

Attempt to fix ARM32 Windows

Author: ChrisDenton

src/windows_sys.rs

@@ -245,6 +245,7 @@ pub struct CONTEXT {
     pub SegSs: u32,
     pub ExtendedRegisters: [u8; 512],
 }
+
 pub type CONTEXT_FLAGS = u32;
 pub const CP_UTF8: u32 = 65001u32;
 pub type CREATE_TOOLHELP_SNAPSHOT_FLAGS = u32;
@@ -662,3 +663,6 @@ pub struct XSAVE_FORMAT {
     pub XmmRegisters: [M128A; 8],
     pub Reserved4: [u8; 224],
 }
+
+#[cfg(target_arch = "arm")]
+include!("./windows_sys_arm32_shim.rs");

src/windows_sys_arm32_shim.rs

@@ -0,0 +1,53 @@
+pub const ARM_MAX_BREAKPOINTS: usize = 8;
+pub const ARM_MAX_WATCHPOINTS: usize = 1;
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub struct NEON128 {
+    pub Low: u64,
+    pub High: i64,
+}
+
+#[repr(C)]
+#[derive(Clone, Copy)]
+pub union CONTEXT_FloatRegs {
+    pub Q: [NEON128; 16],
+    pub D: [u64; 32],
+    pub S: [u32; 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,
+    // Control registers
+    pub Sp: u32,
+    pub Lr: u32,
+    pub Pc: u32,
+    pub Cpsr: u32,
+    // Floating-point registers
+    pub Fpsrc: u32,
+    pub Padding: u32,
+    pub u: CONTEXT_FloatRegs,
+    // Debug registers
+    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;