Indent some code inside cfg_select!

The previous code inside `cfg_if!` wasn't indented, so the conversion to
`cfg_select!` left it not indented. Indent it.

Author: joshtriplett

library/unwind/src/libunwind.rs

@@ -123,200 +123,204 @@ unsafe extern "C" {
 }
 
 cfg_select! {
-any(target_vendor = "apple", target_os = "netbsd", not(target_arch = "arm")) => {
-    // Not ARM EHABI
-    //
-    // 32-bit ARM on iOS/tvOS/watchOS use either DWARF/Compact unwinding or
-    // "setjmp-longjmp" / SjLj unwinding.
-    pub type _Unwind_Action = c_int;
-
-    pub const _UA_SEARCH_PHASE: c_int = 1;
-    pub const _UA_CLEANUP_PHASE: c_int = 2;
-    pub const _UA_HANDLER_FRAME: c_int = 4;
-    pub const _UA_FORCE_UNWIND: c_int = 8;
-    pub const _UA_END_OF_STACK: c_int = 16;
-
-    #[cfg_attr(
-        all(feature = "llvm-libunwind", any(target_os = "fuchsia", target_os = "linux", target_os = "xous")),
-        link(name = "unwind", kind = "static", modifiers = "-bundle")
-    )]
-    unsafe extern "C" {
-        pub fn _Unwind_GetGR(ctx: *mut _Unwind_Context, reg_index: c_int) -> _Unwind_Word;
-        pub fn _Unwind_SetGR(ctx: *mut _Unwind_Context, reg_index: c_int, value: _Unwind_Word);
-        pub fn _Unwind_GetIP(ctx: *mut _Unwind_Context) -> _Unwind_Word;
-        pub fn _Unwind_SetIP(ctx: *mut _Unwind_Context, value: _Unwind_Word);
-        pub fn _Unwind_GetIPInfo(ctx: *mut _Unwind_Context, ip_before_insn: *mut c_int)
-                                 -> _Unwind_Word;
-        pub fn _Unwind_FindEnclosingFunction(pc: *mut c_void) -> *mut c_void;
-    }
+    any(target_vendor = "apple", target_os = "netbsd", not(target_arch = "arm")) => {
+        // Not ARM EHABI
+        //
+        // 32-bit ARM on iOS/tvOS/watchOS use either DWARF/Compact unwinding or
+        // "setjmp-longjmp" / SjLj unwinding.
+        pub type _Unwind_Action = c_int;
+
+        pub const _UA_SEARCH_PHASE: c_int = 1;
+        pub const _UA_CLEANUP_PHASE: c_int = 2;
+        pub const _UA_HANDLER_FRAME: c_int = 4;
+        pub const _UA_FORCE_UNWIND: c_int = 8;
+        pub const _UA_END_OF_STACK: c_int = 16;
+
+        #[cfg_attr(
+            all(feature = "llvm-libunwind", any(target_os = "fuchsia", target_os = "linux", target_os = "xous")),
+            link(name = "unwind", kind = "static", modifiers = "-bundle")
+        )]
+        unsafe extern "C" {
+            pub fn _Unwind_GetGR(ctx: *mut _Unwind_Context, reg_index: c_int) -> _Unwind_Word;
+            pub fn _Unwind_SetGR(ctx: *mut _Unwind_Context, reg_index: c_int, value: _Unwind_Word);
+            pub fn _Unwind_GetIP(ctx: *mut _Unwind_Context) -> _Unwind_Word;
+            pub fn _Unwind_SetIP(ctx: *mut _Unwind_Context, value: _Unwind_Word);
+            pub fn _Unwind_GetIPInfo(ctx: *mut _Unwind_Context, ip_before_insn: *mut c_int)
+                                     -> _Unwind_Word;
+            pub fn _Unwind_FindEnclosingFunction(pc: *mut c_void) -> *mut c_void;
+        }
 
-}
-_ => {
-    // ARM EHABI
-    #[repr(C)]
-    #[derive(Copy, Clone, PartialEq)]
-    pub enum _Unwind_State {
-        _US_VIRTUAL_UNWIND_FRAME = 0,
-        _US_UNWIND_FRAME_STARTING = 1,
-        _US_UNWIND_FRAME_RESUME = 2,
-        _US_ACTION_MASK = 3,
-        _US_FORCE_UNWIND = 8,
-        _US_END_OF_STACK = 16,
     }
-    pub use _Unwind_State::*;
+    _ => {
+        // ARM EHABI
+        #[repr(C)]
+        #[derive(Copy, Clone, PartialEq)]
+        pub enum _Unwind_State {
+            _US_VIRTUAL_UNWIND_FRAME = 0,
+            _US_UNWIND_FRAME_STARTING = 1,
+            _US_UNWIND_FRAME_RESUME = 2,
+            _US_ACTION_MASK = 3,
+            _US_FORCE_UNWIND = 8,
+            _US_END_OF_STACK = 16,
+        }
+        pub use _Unwind_State::*;
 
-    #[repr(C)]
-    enum _Unwind_VRS_Result {
-        _UVRSR_OK = 0,
-        _UVRSR_NOT_IMPLEMENTED = 1,
-        _UVRSR_FAILED = 2,
-    }
-    #[repr(C)]
-    enum _Unwind_VRS_RegClass {
-        _UVRSC_CORE = 0,
-        _UVRSC_VFP = 1,
-        _UVRSC_FPA = 2,
-        _UVRSC_WMMXD = 3,
-        _UVRSC_WMMXC = 4,
-    }
-    use _Unwind_VRS_RegClass::*;
-    #[repr(C)]
-    enum _Unwind_VRS_DataRepresentation {
-        _UVRSD_UINT32 = 0,
-        _UVRSD_VFPX = 1,
-        _UVRSD_FPAX = 2,
-        _UVRSD_UINT64 = 3,
-        _UVRSD_FLOAT = 4,
-        _UVRSD_DOUBLE = 5,
-    }
-    use _Unwind_VRS_DataRepresentation::*;
-
-    pub const UNWIND_POINTER_REG: c_int = 12;
-    pub const UNWIND_SP_REG: c_int = 13;
-    pub const UNWIND_IP_REG: c_int = 15;
-
-    #[cfg_attr(
-        all(feature = "llvm-libunwind", any(target_os = "fuchsia", target_os = "linux", target_os = "xous")),
-        link(name = "unwind", kind = "static", modifiers = "-bundle")
-    )]
-    unsafe extern "C" {
-        fn _Unwind_VRS_Get(ctx: *mut _Unwind_Context,
-                           regclass: _Unwind_VRS_RegClass,
-                           regno: _Unwind_Word,
-                           repr: _Unwind_VRS_DataRepresentation,
-                           data: *mut c_void)
-                           -> _Unwind_VRS_Result;
-
-        fn _Unwind_VRS_Set(ctx: *mut _Unwind_Context,
-                           regclass: _Unwind_VRS_RegClass,
-                           regno: _Unwind_Word,
-                           repr: _Unwind_VRS_DataRepresentation,
-                           data: *mut c_void)
-                           -> _Unwind_VRS_Result;
-    }
+        #[repr(C)]
+        enum _Unwind_VRS_Result {
+            _UVRSR_OK = 0,
+            _UVRSR_NOT_IMPLEMENTED = 1,
+            _UVRSR_FAILED = 2,
+        }
+        #[repr(C)]
+        enum _Unwind_VRS_RegClass {
+            _UVRSC_CORE = 0,
+            _UVRSC_VFP = 1,
+            _UVRSC_FPA = 2,
+            _UVRSC_WMMXD = 3,
+            _UVRSC_WMMXC = 4,
+        }
+        use _Unwind_VRS_RegClass::*;
+        #[repr(C)]
+        enum _Unwind_VRS_DataRepresentation {
+            _UVRSD_UINT32 = 0,
+            _UVRSD_VFPX = 1,
+            _UVRSD_FPAX = 2,
+            _UVRSD_UINT64 = 3,
+            _UVRSD_FLOAT = 4,
+            _UVRSD_DOUBLE = 5,
+        }
+        use _Unwind_VRS_DataRepresentation::*;
+
+        pub const UNWIND_POINTER_REG: c_int = 12;
+        pub const UNWIND_SP_REG: c_int = 13;
+        pub const UNWIND_IP_REG: c_int = 15;
+
+        #[cfg_attr(
+            all(feature = "llvm-libunwind", any(target_os = "fuchsia", target_os = "linux", target_os = "xous")),
+            link(name = "unwind", kind = "static", modifiers = "-bundle")
+        )]
+        unsafe extern "C" {
+            fn _Unwind_VRS_Get(ctx: *mut _Unwind_Context,
+                               regclass: _Unwind_VRS_RegClass,
+                               regno: _Unwind_Word,
+                               repr: _Unwind_VRS_DataRepresentation,
+                               data: *mut c_void)
+                               -> _Unwind_VRS_Result;
+
+            fn _Unwind_VRS_Set(ctx: *mut _Unwind_Context,
+                               regclass: _Unwind_VRS_RegClass,
+                               regno: _Unwind_Word,
+                               repr: _Unwind_VRS_DataRepresentation,
+                               data: *mut c_void)
+                               -> _Unwind_VRS_Result;
+        }
 
-    // On Android or ARM/Linux, these are implemented as macros:
+        // On Android or ARM/Linux, these are implemented as macros:
 
-    pub unsafe fn _Unwind_GetGR(ctx: *mut _Unwind_Context, reg_index: c_int) -> _Unwind_Word {
-        let mut val: _Unwind_Word = core::ptr::null();
-        unsafe { _Unwind_VRS_Get(ctx, _UVRSC_CORE, reg_index as _Unwind_Word, _UVRSD_UINT32,
-                        (&raw mut val) as *mut c_void); }
-        val
-    }
+        pub unsafe fn _Unwind_GetGR(ctx: *mut _Unwind_Context, reg_index: c_int) -> _Unwind_Word {
+            let mut val: _Unwind_Word = core::ptr::null();
+            unsafe { _Unwind_VRS_Get(ctx, _UVRSC_CORE, reg_index as _Unwind_Word, _UVRSD_UINT32,
+                            (&raw mut val) as *mut c_void); }
+            val
+        }
 
-    pub unsafe fn _Unwind_SetGR(ctx: *mut _Unwind_Context, reg_index: c_int, value: _Unwind_Word) {
-        let mut value = value;
-        unsafe { _Unwind_VRS_Set(ctx, _UVRSC_CORE, reg_index as _Unwind_Word, _UVRSD_UINT32,
-                        (&raw mut value) as *mut c_void); }
-    }
+        pub unsafe fn _Unwind_SetGR(
+            ctx: *mut _Unwind_Context,
+            reg_index: c_int,
+            value: _Unwind_Word
+        ) {
+            let mut value = value;
+            unsafe { _Unwind_VRS_Set(ctx, _UVRSC_CORE, reg_index as _Unwind_Word, _UVRSD_UINT32,
+                            (&raw mut value) as *mut c_void); }
+        }
 
-    pub unsafe fn _Unwind_GetIP(ctx: *mut _Unwind_Context)
-                                -> _Unwind_Word {
-        let val = unsafe { _Unwind_GetGR(ctx, UNWIND_IP_REG) };
-        val.map_addr(|v| v & !1)
-    }
+        pub unsafe fn _Unwind_GetIP(ctx: *mut _Unwind_Context)
+                                    -> _Unwind_Word {
+            let val = unsafe { _Unwind_GetGR(ctx, UNWIND_IP_REG) };
+            val.map_addr(|v| v & !1)
+        }
 
-    pub unsafe fn _Unwind_SetIP(ctx: *mut _Unwind_Context,
-                                value: _Unwind_Word) {
-        // Propagate thumb bit to instruction pointer
-        let thumb_state = unsafe { _Unwind_GetGR(ctx, UNWIND_IP_REG).addr() & 1 };
-        let value = value.map_addr(|v| v | thumb_state);
-        unsafe { _Unwind_SetGR(ctx, UNWIND_IP_REG, value); }
-    }
+        pub unsafe fn _Unwind_SetIP(ctx: *mut _Unwind_Context,
+                                    value: _Unwind_Word) {
+            // Propagate thumb bit to instruction pointer
+            let thumb_state = unsafe { _Unwind_GetGR(ctx, UNWIND_IP_REG).addr() & 1 };
+            let value = value.map_addr(|v| v | thumb_state);
+            unsafe { _Unwind_SetGR(ctx, UNWIND_IP_REG, value); }
+        }
 
-    pub unsafe fn _Unwind_GetIPInfo(ctx: *mut _Unwind_Context,
-                                    ip_before_insn: *mut c_int)
-                                    -> _Unwind_Word {
-        unsafe {
-            *ip_before_insn = 0;
-            _Unwind_GetIP(ctx)
+        pub unsafe fn _Unwind_GetIPInfo(ctx: *mut _Unwind_Context,
+                                        ip_before_insn: *mut c_int)
+                                        -> _Unwind_Word {
+            unsafe {
+                *ip_before_insn = 0;
+                _Unwind_GetIP(ctx)
+            }
         }
-    }
 
-    // This function also doesn't exist on Android or ARM/Linux, so make it a no-op
-    pub unsafe fn _Unwind_FindEnclosingFunction(pc: *mut c_void) -> *mut c_void {
-        pc
+        // This function also doesn't exist on Android or ARM/Linux, so make it a no-op
+        pub unsafe fn _Unwind_FindEnclosingFunction(pc: *mut c_void) -> *mut c_void {
+            pc
+        }
     }
 }
-} // cfg_select!
 
 cfg_select! {
-all(target_vendor = "apple", not(target_os = "watchos"), target_arch = "arm") => {
-    // 32-bit ARM Apple (except for watchOS armv7k specifically) uses SjLj and
-    // does not provide _Unwind_Backtrace()
-    unsafe extern "C-unwind" {
-        pub fn _Unwind_SjLj_RaiseException(e: *mut _Unwind_Exception) -> _Unwind_Reason_Code;
-    }
+    all(target_vendor = "apple", not(target_os = "watchos"), target_arch = "arm") => {
+        // 32-bit ARM Apple (except for watchOS armv7k specifically) uses SjLj and
+        // does not provide _Unwind_Backtrace()
+        unsafe extern "C-unwind" {
+            pub fn _Unwind_SjLj_RaiseException(e: *mut _Unwind_Exception) -> _Unwind_Reason_Code;
+        }
 
-    pub use _Unwind_SjLj_RaiseException as _Unwind_RaiseException;
-}
-_ => {
-    #[cfg_attr(
-        all(feature = "llvm-libunwind", any(target_os = "fuchsia", target_os = "linux", target_os = "xous")),
-        link(name = "unwind", kind = "static", modifiers = "-bundle")
-    )]
-    unsafe extern "C-unwind" {
-        pub fn _Unwind_RaiseException(exception: *mut _Unwind_Exception) -> _Unwind_Reason_Code;
+        pub use _Unwind_SjLj_RaiseException as _Unwind_RaiseException;
     }
-    #[cfg_attr(
-        all(feature = "llvm-libunwind", any(target_os = "fuchsia", target_os = "linux", target_os = "xous")),
-        link(name = "unwind", kind = "static", modifiers = "-bundle")
-    )]
-    unsafe extern "C" {
-        pub fn _Unwind_Backtrace(trace: _Unwind_Trace_Fn,
-                                 trace_argument: *mut c_void)
-                                 -> _Unwind_Reason_Code;
+    _ => {
+        #[cfg_attr(
+            all(feature = "llvm-libunwind", any(target_os = "fuchsia", target_os = "linux", target_os = "xous")),
+            link(name = "unwind", kind = "static", modifiers = "-bundle")
+        )]
+        unsafe extern "C-unwind" {
+            pub fn _Unwind_RaiseException(exception: *mut _Unwind_Exception) -> _Unwind_Reason_Code;
+        }
+        #[cfg_attr(
+            all(feature = "llvm-libunwind", any(target_os = "fuchsia", target_os = "linux", target_os = "xous")),
+            link(name = "unwind", kind = "static", modifiers = "-bundle")
+        )]
+        unsafe extern "C" {
+            pub fn _Unwind_Backtrace(trace: _Unwind_Trace_Fn,
+                                     trace_argument: *mut c_void)
+                                     -> _Unwind_Reason_Code;
+        }
     }
 }
-} // cfg_select!
 
 cfg_select! {
-any(
-    all(windows, any(target_arch = "aarch64", target_arch = "x86_64"), target_env = "gnu"),
-    target_os = "cygwin",
-) => {
-    // We declare these as opaque types. This is fine since you just need to
-    // pass them to _GCC_specific_handler and forget about them.
-    pub enum EXCEPTION_RECORD {}
-    pub type LPVOID = *mut c_void;
-    pub enum CONTEXT {}
-    pub enum DISPATCHER_CONTEXT {}
-    pub type EXCEPTION_DISPOSITION = c_int;
-    type PersonalityFn = unsafe extern "C" fn(version: c_int,
-                                              actions: _Unwind_Action,
-                                              exception_class: _Unwind_Exception_Class,
-                                              exception_object: *mut _Unwind_Exception,
-                                              context: *mut _Unwind_Context)
-                                              -> _Unwind_Reason_Code;
-
-    unsafe extern "C" {
-        pub fn _GCC_specific_handler(exceptionRecord: *mut EXCEPTION_RECORD,
-                                establisherFrame: LPVOID,
-                                contextRecord: *mut CONTEXT,
-                                dispatcherContext: *mut DISPATCHER_CONTEXT,
-                                personality: PersonalityFn)
-                                -> EXCEPTION_DISPOSITION;
+    any(
+        all(windows, any(target_arch = "aarch64", target_arch = "x86_64"), target_env = "gnu"),
+        target_os = "cygwin",
+    ) => {
+        // We declare these as opaque types. This is fine since you just need to
+        // pass them to _GCC_specific_handler and forget about them.
+        pub enum EXCEPTION_RECORD {}
+        pub type LPVOID = *mut c_void;
+        pub enum CONTEXT {}
+        pub enum DISPATCHER_CONTEXT {}
+        pub type EXCEPTION_DISPOSITION = c_int;
+        type PersonalityFn = unsafe extern "C" fn(version: c_int,
+                                                  actions: _Unwind_Action,
+                                                  exception_class: _Unwind_Exception_Class,
+                                                  exception_object: *mut _Unwind_Exception,
+                                                  context: *mut _Unwind_Context)
+                                                  -> _Unwind_Reason_Code;
+
+        unsafe extern "C" {
+            pub fn _GCC_specific_handler(exceptionRecord: *mut EXCEPTION_RECORD,
+                                    establisherFrame: LPVOID,
+                                    contextRecord: *mut CONTEXT,
+                                    dispatcherContext: *mut DISPATCHER_CONTEXT,
+                                    personality: PersonalityFn)
+                                    -> EXCEPTION_DISPOSITION;
+        }
     }
+    _ => {}
 }
-_ => {}
-} // cfg_select!