Restoring authorship annotation for <[email protected]>. Commit 1 of 2.

1 files changed, 215 insertions, 215 deletions

diff --git a/contrib/libs/libunwind/src/Unwind-EHABI.cpp b/contrib/libs/libunwind/src/Unwind-EHABI.cpp
index 21c8b2777b8..7787d1ed347 100644
--- a/contrib/libs/libunwind/src/Unwind-EHABI.cpp
+++ b/contrib/libs/libunwind/src/Unwind-EHABI.cpp
@@ -1,4 +1,4 @@
-//===----------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===// 
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -97,11 +97,11 @@ _Unwind_Reason_Code ProcessDescriptors(
       case Descriptor::LU32:
         descriptor = getNextWord(descriptor, &length);
         descriptor = getNextWord(descriptor, &offset);
-        break;
+        break; 
       case Descriptor::LU16:
         descriptor = getNextNibble(descriptor, &length);
         descriptor = getNextNibble(descriptor, &offset);
-        break;
+        break; 
       default:
         assert(false);
         return _URC_FAILURE;
@@ -187,14 +187,14 @@ static _Unwind_Reason_Code unwindOneFrame(_Unwind_State state,
   if (result != _URC_CONTINUE_UNWIND)
     return result;
 
-  switch (__unw_step(reinterpret_cast<unw_cursor_t *>(context))) {
-  case UNW_STEP_SUCCESS:
-    return _URC_CONTINUE_UNWIND;
-  case UNW_STEP_END:
-    return _URC_END_OF_STACK;
-  default:
+  switch (__unw_step(reinterpret_cast<unw_cursor_t *>(context))) { 
+  case UNW_STEP_SUCCESS: 
+    return _URC_CONTINUE_UNWIND; 
+  case UNW_STEP_END: 
+    return _URC_END_OF_STACK; 
+  default: 
     return _URC_FAILURE;
-  }
+  } 
 }
 
 // Generates mask discriminator for _Unwind_VRS_Pop, e.g. for _UVRSC_CORE /
@@ -261,7 +261,7 @@ _Unwind_VRS_Interpret(_Unwind_Context *context, const uint32_t *data,
                       size_t offset, size_t len) {
   bool wrotePC = false;
   bool finish = false;
-  bool hasReturnAddrAuthCode = false;
+  bool hasReturnAddrAuthCode = false; 
   while (offset < len && !finish) {
     uint8_t byte = getByte(data, offset++);
     if ((byte & 0x80) == 0) {
@@ -348,10 +348,10 @@ _Unwind_VRS_Interpret(_Unwind_Context *context, const uint32_t *data,
               break;
             }
             case 0xb4:
-              hasReturnAddrAuthCode = true;
-              _Unwind_VRS_Pop(context, _UVRSC_PSEUDO,
-                              0 /* Return Address Auth Code */, _UVRSD_UINT32);
-              break;
+              hasReturnAddrAuthCode = true; 
+              _Unwind_VRS_Pop(context, _UVRSC_PSEUDO, 
+                              0 /* Return Address Auth Code */, _UVRSD_UINT32); 
+              break; 
             case 0xb5:
             case 0xb6:
             case 0xb7:
@@ -427,16 +427,16 @@ _Unwind_VRS_Interpret(_Unwind_Context *context, const uint32_t *data,
   if (!wrotePC) {
     uint32_t lr;
     _Unwind_VRS_Get(context, _UVRSC_CORE, UNW_ARM_LR, _UVRSD_UINT32, &lr);
-#ifdef __ARM_FEATURE_PAUTH
-    if (hasReturnAddrAuthCode) {
-      uint32_t sp;
-      uint32_t pac;
-      _Unwind_VRS_Get(context, _UVRSC_CORE, UNW_ARM_SP, _UVRSD_UINT32, &sp);
-      _Unwind_VRS_Get(context, _UVRSC_PSEUDO, UNW_ARM_RA_AUTH_CODE,
-                      _UVRSD_UINT32, &pac);
-      __asm__ __volatile__("autg %0, %1, %2" : : "r"(pac), "r"(lr), "r"(sp) :);
-    }
-#endif
+#ifdef __ARM_FEATURE_PAUTH 
+    if (hasReturnAddrAuthCode) { 
+      uint32_t sp; 
+      uint32_t pac; 
+      _Unwind_VRS_Get(context, _UVRSC_CORE, UNW_ARM_SP, _UVRSD_UINT32, &sp); 
+      _Unwind_VRS_Get(context, _UVRSC_PSEUDO, UNW_ARM_RA_AUTH_CODE, 
+                      _UVRSD_UINT32, &pac); 
+      __asm__ __volatile__("autg %0, %1, %2" : : "r"(pac), "r"(lr), "r"(sp) :); 
+    } 
+#endif 
     _Unwind_VRS_Set(context, _UVRSC_CORE, UNW_ARM_IP, _UVRSD_UINT32, &lr);
   }
   return _URC_CONTINUE_UNWIND;
@@ -483,7 +483,7 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except
       return _URC_FATAL_PHASE1_ERROR;
     }
 
-#ifndef NDEBUG
+#ifndef NDEBUG 
     // When tracing, print state information.
     if (_LIBUNWIND_TRACING_UNWINDING) {
       char functionBuf[512];
@@ -502,7 +502,7 @@ unwind_phase1(unw_context_t *uc, unw_cursor_t *cursor, _Unwind_Exception *except
           frameInfo.start_ip, functionName,
           frameInfo.lsda, frameInfo.handler);
     }
-#endif
+#endif 
 
     // If there is a personality routine, ask it if it will want to stop at
     // this frame.
@@ -604,7 +604,7 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor
       return _URC_FATAL_PHASE2_ERROR;
     }
 
-#ifndef NDEBUG
+#ifndef NDEBUG 
     // When tracing, print state information.
     if (_LIBUNWIND_TRACING_UNWINDING) {
       char functionBuf[512];
@@ -621,12 +621,12 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor
           functionName, sp, frameInfo.lsda,
           frameInfo.handler);
     }
-#endif
+#endif 
 
     // If there is a personality routine, tell it we are unwinding.
     if (frameInfo.handler != 0) {
       _Unwind_Personality_Fn p =
-          (_Unwind_Personality_Fn)(intptr_t)(frameInfo.handler);
+          (_Unwind_Personality_Fn)(intptr_t)(frameInfo.handler); 
       struct _Unwind_Context *context = (struct _Unwind_Context *)(cursor);
       // EHABI #7.2
       exception_object->pr_cache.fnstart = frameInfo.start_ip;
@@ -694,123 +694,123 @@ static _Unwind_Reason_Code unwind_phase2(unw_context_t *uc, unw_cursor_t *cursor
   return _URC_FATAL_PHASE2_ERROR;
 }
 
-static _Unwind_Reason_Code
-unwind_phase2_forced(unw_context_t *uc, unw_cursor_t *cursor,
-                     _Unwind_Exception *exception_object, _Unwind_Stop_Fn stop,
-                     void *stop_parameter) {
-  bool endOfStack = false;
-  // See comment at the start of unwind_phase1 regarding VRS integrity.
-  __unw_init_local(cursor, uc);
-  _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_force(ex_ojb=%p)",
-                             static_cast<void *>(exception_object));
-  // Walk each frame until we reach where search phase said to stop
-  while (!endOfStack) {
-    // Update info about this frame.
-    unw_proc_info_t frameInfo;
-    if (__unw_get_proc_info(cursor, &frameInfo) != UNW_ESUCCESS) {
-      _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): __unw_step "
-                                 "failed => _URC_END_OF_STACK",
-                                 (void *)exception_object);
-      return _URC_FATAL_PHASE2_ERROR;
-    }
-
-#ifndef NDEBUG
-    // When tracing, print state information.
-    if (_LIBUNWIND_TRACING_UNWINDING) {
-      char functionBuf[512];
-      const char *functionName = functionBuf;
-      unw_word_t offset;
-      if ((__unw_get_proc_name(cursor, functionBuf, sizeof(functionBuf),
-                               &offset) != UNW_ESUCCESS) ||
-          (frameInfo.start_ip + offset > frameInfo.end_ip))
-        functionName = ".anonymous.";
-      _LIBUNWIND_TRACE_UNWINDING(
-          "unwind_phase2_forced(ex_ojb=%p): start_ip=0x%" PRIxPTR
-          ", func=%s, lsda=0x%" PRIxPTR ", personality=0x%" PRIxPTR,
-          (void *)exception_object, frameInfo.start_ip, functionName,
-          frameInfo.lsda, frameInfo.handler);
-    }
-#endif
-
-    // Call stop function at each frame.
-    _Unwind_Action action =
-        (_Unwind_Action)(_UA_FORCE_UNWIND | _UA_CLEANUP_PHASE);
-    _Unwind_Reason_Code stopResult =
-        (*stop)(1, action, exception_object->exception_class, exception_object,
-                (_Unwind_Context *)(cursor), stop_parameter);
-    _LIBUNWIND_TRACE_UNWINDING(
-        "unwind_phase2_forced(ex_ojb=%p): stop function returned %d",
-        (void *)exception_object, stopResult);
-    if (stopResult != _URC_NO_REASON) {
-      _LIBUNWIND_TRACE_UNWINDING(
-          "unwind_phase2_forced(ex_ojb=%p): stopped by stop function",
-          (void *)exception_object);
-      return _URC_FATAL_PHASE2_ERROR;
-    }
-
-    // If there is a personality routine, tell it we are unwinding.
-    if (frameInfo.handler != 0) {
-      _Unwind_Personality_Fn p =
-          (_Unwind_Personality_Fn)(uintptr_t)(frameInfo.handler);
-      struct _Unwind_Context *context = (struct _Unwind_Context *)(cursor);
-      // EHABI #7.2
-      exception_object->pr_cache.fnstart = frameInfo.start_ip;
-      exception_object->pr_cache.ehtp =
-          (_Unwind_EHT_Header *)frameInfo.unwind_info;
-      exception_object->pr_cache.additional = frameInfo.flags;
-      _Unwind_Reason_Code personalityResult =
-          (*p)(_US_FORCE_UNWIND | _US_UNWIND_FRAME_STARTING, exception_object,
-               context);
-      switch (personalityResult) {
-      case _URC_CONTINUE_UNWIND:
-        _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): "
-                                   "personality returned "
-                                   "_URC_CONTINUE_UNWIND",
-                                   (void *)exception_object);
-        // Destructors called, continue unwinding
-        break;
-      case _URC_INSTALL_CONTEXT:
-        _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): "
-                                   "personality returned "
-                                   "_URC_INSTALL_CONTEXT",
-                                   (void *)exception_object);
-        // We may get control back if landing pad calls _Unwind_Resume().
-        __unw_resume(cursor);
-        break;
-      case _URC_END_OF_STACK:
-        _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): "
-                                   "personality returned "
-                                   "_URC_END_OF_STACK",
-                                   (void *)exception_object);
-        // Personalty routine did the step and it can't step forward.
-        endOfStack = true;
-        break;
-      default:
-        // Personality routine returned an unknown result code.
-        _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): "
-                                   "personality returned %d, "
-                                   "_URC_FATAL_PHASE2_ERROR",
-                                   (void *)exception_object, personalityResult);
-        return _URC_FATAL_PHASE2_ERROR;
-      }
-    }
-  }
-
-  // Call stop function one last time and tell it we've reached the end
-  // of the stack.
-  _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): calling stop "
-                             "function with _UA_END_OF_STACK",
-                             (void *)exception_object);
-  _Unwind_Action lastAction =
-      (_Unwind_Action)(_UA_FORCE_UNWIND | _UA_CLEANUP_PHASE | _UA_END_OF_STACK);
-  (*stop)(1, lastAction, exception_object->exception_class, exception_object,
-          (struct _Unwind_Context *)(cursor), stop_parameter);
-
-  // Clean up phase did not resume at the frame that the search phase said it
-  // would.
-  return _URC_FATAL_PHASE2_ERROR;
-}
-
+static _Unwind_Reason_Code 
+unwind_phase2_forced(unw_context_t *uc, unw_cursor_t *cursor, 
+                     _Unwind_Exception *exception_object, _Unwind_Stop_Fn stop, 
+                     void *stop_parameter) { 
+  bool endOfStack = false; 
+  // See comment at the start of unwind_phase1 regarding VRS integrity. 
+  __unw_init_local(cursor, uc); 
+  _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_force(ex_ojb=%p)", 
+                             static_cast<void *>(exception_object)); 
+  // Walk each frame until we reach where search phase said to stop 
+  while (!endOfStack) { 
+    // Update info about this frame. 
+    unw_proc_info_t frameInfo; 
+    if (__unw_get_proc_info(cursor, &frameInfo) != UNW_ESUCCESS) { 
+      _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): __unw_step " 
+                                 "failed => _URC_END_OF_STACK", 
+                                 (void *)exception_object); 
+      return _URC_FATAL_PHASE2_ERROR; 
+    } 
+ 
+#ifndef NDEBUG 
+    // When tracing, print state information. 
+    if (_LIBUNWIND_TRACING_UNWINDING) { 
+      char functionBuf[512]; 
+      const char *functionName = functionBuf; 
+      unw_word_t offset; 
+      if ((__unw_get_proc_name(cursor, functionBuf, sizeof(functionBuf), 
+                               &offset) != UNW_ESUCCESS) || 
+          (frameInfo.start_ip + offset > frameInfo.end_ip)) 
+        functionName = ".anonymous."; 
+      _LIBUNWIND_TRACE_UNWINDING( 
+          "unwind_phase2_forced(ex_ojb=%p): start_ip=0x%" PRIxPTR 
+          ", func=%s, lsda=0x%" PRIxPTR ", personality=0x%" PRIxPTR, 
+          (void *)exception_object, frameInfo.start_ip, functionName, 
+          frameInfo.lsda, frameInfo.handler); 
+    } 
+#endif 
+ 
+    // Call stop function at each frame. 
+    _Unwind_Action action = 
+        (_Unwind_Action)(_UA_FORCE_UNWIND | _UA_CLEANUP_PHASE); 
+    _Unwind_Reason_Code stopResult = 
+        (*stop)(1, action, exception_object->exception_class, exception_object, 
+                (_Unwind_Context *)(cursor), stop_parameter); 
+    _LIBUNWIND_TRACE_UNWINDING( 
+        "unwind_phase2_forced(ex_ojb=%p): stop function returned %d", 
+        (void *)exception_object, stopResult); 
+    if (stopResult != _URC_NO_REASON) { 
+      _LIBUNWIND_TRACE_UNWINDING( 
+          "unwind_phase2_forced(ex_ojb=%p): stopped by stop function", 
+          (void *)exception_object); 
+      return _URC_FATAL_PHASE2_ERROR; 
+    } 
+ 
+    // If there is a personality routine, tell it we are unwinding. 
+    if (frameInfo.handler != 0) { 
+      _Unwind_Personality_Fn p = 
+          (_Unwind_Personality_Fn)(uintptr_t)(frameInfo.handler); 
+      struct _Unwind_Context *context = (struct _Unwind_Context *)(cursor); 
+      // EHABI #7.2 
+      exception_object->pr_cache.fnstart = frameInfo.start_ip; 
+      exception_object->pr_cache.ehtp = 
+          (_Unwind_EHT_Header *)frameInfo.unwind_info; 
+      exception_object->pr_cache.additional = frameInfo.flags; 
+      _Unwind_Reason_Code personalityResult = 
+          (*p)(_US_FORCE_UNWIND | _US_UNWIND_FRAME_STARTING, exception_object, 
+               context); 
+      switch (personalityResult) { 
+      case _URC_CONTINUE_UNWIND: 
+        _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): " 
+                                   "personality returned " 
+                                   "_URC_CONTINUE_UNWIND", 
+                                   (void *)exception_object); 
+        // Destructors called, continue unwinding 
+        break; 
+      case _URC_INSTALL_CONTEXT: 
+        _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): " 
+                                   "personality returned " 
+                                   "_URC_INSTALL_CONTEXT", 
+                                   (void *)exception_object); 
+        // We may get control back if landing pad calls _Unwind_Resume(). 
+        __unw_resume(cursor); 
+        break; 
+      case _URC_END_OF_STACK: 
+        _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): " 
+                                   "personality returned " 
+                                   "_URC_END_OF_STACK", 
+                                   (void *)exception_object); 
+        // Personalty routine did the step and it can't step forward. 
+        endOfStack = true; 
+        break; 
+      default: 
+        // Personality routine returned an unknown result code. 
+        _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): " 
+                                   "personality returned %d, " 
+                                   "_URC_FATAL_PHASE2_ERROR", 
+                                   (void *)exception_object, personalityResult); 
+        return _URC_FATAL_PHASE2_ERROR; 
+      } 
+    } 
+  } 
+ 
+  // Call stop function one last time and tell it we've reached the end 
+  // of the stack. 
+  _LIBUNWIND_TRACE_UNWINDING("unwind_phase2_forced(ex_ojb=%p): calling stop " 
+                             "function with _UA_END_OF_STACK", 
+                             (void *)exception_object); 
+  _Unwind_Action lastAction = 
+      (_Unwind_Action)(_UA_FORCE_UNWIND | _UA_CLEANUP_PHASE | _UA_END_OF_STACK); 
+  (*stop)(1, lastAction, exception_object->exception_class, exception_object, 
+          (struct _Unwind_Context *)(cursor), stop_parameter); 
+ 
+  // Clean up phase did not resume at the frame that the search phase said it 
+  // would. 
+  return _URC_FATAL_PHASE2_ERROR; 
+} 
+ 
 /// Called by __cxa_throw.  Only returns if there is a fatal error.
 _LIBUNWIND_EXPORT _Unwind_Reason_Code
 _Unwind_RaiseException(_Unwind_Exception *exception_object) {
@@ -858,13 +858,13 @@ _Unwind_Resume(_Unwind_Exception *exception_object) {
   unw_cursor_t cursor;
   __unw_getcontext(&uc);
 
-  if (exception_object->unwinder_cache.reserved1)
-    unwind_phase2_forced(
-        &uc, &cursor, exception_object,
-        (_Unwind_Stop_Fn)exception_object->unwinder_cache.reserved1,
-        (void *)exception_object->unwinder_cache.reserved3);
-  else
-    unwind_phase2(&uc, &cursor, exception_object, true);
+  if (exception_object->unwinder_cache.reserved1) 
+    unwind_phase2_forced( 
+        &uc, &cursor, exception_object, 
+        (_Unwind_Stop_Fn)exception_object->unwinder_cache.reserved1, 
+        (void *)exception_object->unwinder_cache.reserved3); 
+  else 
+    unwind_phase2(&uc, &cursor, exception_object, true); 
 
   // Clients assume _Unwind_Resume() does not return, so all we can do is abort.
   _LIBUNWIND_ABORT("_Unwind_Resume() can't return");
@@ -956,15 +956,15 @@ _Unwind_VRS_Set(_Unwind_Context *context, _Unwind_VRS_RegClass regclass,
     case _UVRSC_WMMXD:
       break;
 #endif
-    case _UVRSC_PSEUDO:
-      // There's only one pseudo-register, PAC, with regno == 0.
-      if (representation != _UVRSD_UINT32 || regno != 0)
-        return _UVRSR_FAILED;
-      return __unw_set_reg(cursor, (unw_regnum_t)(UNW_ARM_RA_AUTH_CODE),
-                           *(unw_word_t *)valuep) == UNW_ESUCCESS
-                 ? _UVRSR_OK
-                 : _UVRSR_FAILED;
-      break;
+    case _UVRSC_PSEUDO: 
+      // There's only one pseudo-register, PAC, with regno == 0. 
+      if (representation != _UVRSD_UINT32 || regno != 0) 
+        return _UVRSR_FAILED; 
+      return __unw_set_reg(cursor, (unw_regnum_t)(UNW_ARM_RA_AUTH_CODE), 
+                           *(unw_word_t *)valuep) == UNW_ESUCCESS 
+                 ? _UVRSR_OK 
+                 : _UVRSR_FAILED; 
+      break; 
   }
   _LIBUNWIND_ABORT("unsupported register class");
 }
@@ -1019,15 +1019,15 @@ _Unwind_VRS_Get_Internal(_Unwind_Context *context,
     case _UVRSC_WMMXD:
       break;
 #endif
-    case _UVRSC_PSEUDO:
-      // There's only one pseudo-register, PAC, with regno == 0.
-      if (representation != _UVRSD_UINT32 || regno != 0)
-        return _UVRSR_FAILED;
-      return __unw_get_reg(cursor, (unw_regnum_t)(UNW_ARM_RA_AUTH_CODE),
-                           (unw_word_t *)valuep) == UNW_ESUCCESS
-                 ? _UVRSR_OK
-                 : _UVRSR_FAILED;
-      break;
+    case _UVRSC_PSEUDO: 
+      // There's only one pseudo-register, PAC, with regno == 0. 
+      if (representation != _UVRSD_UINT32 || regno != 0) 
+        return _UVRSR_FAILED; 
+      return __unw_get_reg(cursor, (unw_regnum_t)(UNW_ARM_RA_AUTH_CODE), 
+                           (unw_word_t *)valuep) == UNW_ESUCCESS 
+                 ? _UVRSR_OK 
+                 : _UVRSR_FAILED; 
+      break; 
   }
   _LIBUNWIND_ABORT("unsupported register class");
 }
@@ -1125,45 +1125,45 @@ _Unwind_VRS_Pop(_Unwind_Context *context, _Unwind_VRS_RegClass regclass,
       return _Unwind_VRS_Set(context, _UVRSC_CORE, UNW_ARM_SP, _UVRSD_UINT32,
                              &sp);
     }
-    case _UVRSC_PSEUDO: {
-      if (representation != _UVRSD_UINT32 || discriminator != 0)
-        return _UVRSR_FAILED;
-      // Return Address Authentication code (PAC) - discriminator 0
-      uint32_t *sp;
-      if (_Unwind_VRS_Get(context, _UVRSC_CORE, UNW_ARM_SP, _UVRSD_UINT32,
-                          &sp) != _UVRSR_OK) {
-        return _UVRSR_FAILED;
-      }
-      uint32_t pac = *sp++;
-      _Unwind_VRS_Set(context, _UVRSC_CORE, UNW_ARM_SP, _UVRSD_UINT32, &sp);
-      return _Unwind_VRS_Set(context, _UVRSC_CORE, UNW_ARM_RA_AUTH_CODE,
-                             _UVRSD_UINT32, &pac);
-    }
+    case _UVRSC_PSEUDO: { 
+      if (representation != _UVRSD_UINT32 || discriminator != 0) 
+        return _UVRSR_FAILED; 
+      // Return Address Authentication code (PAC) - discriminator 0 
+      uint32_t *sp; 
+      if (_Unwind_VRS_Get(context, _UVRSC_CORE, UNW_ARM_SP, _UVRSD_UINT32, 
+                          &sp) != _UVRSR_OK) { 
+        return _UVRSR_FAILED; 
+      } 
+      uint32_t pac = *sp++; 
+      _Unwind_VRS_Set(context, _UVRSC_CORE, UNW_ARM_SP, _UVRSD_UINT32, &sp); 
+      return _Unwind_VRS_Set(context, _UVRSC_CORE, UNW_ARM_RA_AUTH_CODE, 
+                             _UVRSD_UINT32, &pac); 
+    } 
   }
   _LIBUNWIND_ABORT("unsupported register class");
 }
 
-/// Not used by C++.
-/// Unwinds stack, calling "stop" function at each frame.
-/// Could be used to implement longjmp().
-_LIBUNWIND_EXPORT _Unwind_Reason_Code
-_Unwind_ForcedUnwind(_Unwind_Exception *exception_object, _Unwind_Stop_Fn stop,
-                     void *stop_parameter) {
-  _LIBUNWIND_TRACE_API("_Unwind_ForcedUnwind(ex_obj=%p, stop=%p)",
-                       (void *)exception_object, (void *)(uintptr_t)stop);
-  unw_context_t uc;
-  unw_cursor_t cursor;
-  __unw_getcontext(&uc);
-
-  // Mark that this is a forced unwind, so _Unwind_Resume() can do
-  // the right thing.
-  exception_object->unwinder_cache.reserved1 = (uintptr_t)stop;
-  exception_object->unwinder_cache.reserved3 = (uintptr_t)stop_parameter;
-
-  return unwind_phase2_forced(&uc, &cursor, exception_object, stop,
-                              stop_parameter);
-}
-
+/// Not used by C++. 
+/// Unwinds stack, calling "stop" function at each frame. 
+/// Could be used to implement longjmp(). 
+_LIBUNWIND_EXPORT _Unwind_Reason_Code 
+_Unwind_ForcedUnwind(_Unwind_Exception *exception_object, _Unwind_Stop_Fn stop, 
+                     void *stop_parameter) { 
+  _LIBUNWIND_TRACE_API("_Unwind_ForcedUnwind(ex_obj=%p, stop=%p)", 
+                       (void *)exception_object, (void *)(uintptr_t)stop); 
+  unw_context_t uc; 
+  unw_cursor_t cursor; 
+  __unw_getcontext(&uc); 
+ 
+  // Mark that this is a forced unwind, so _Unwind_Resume() can do 
+  // the right thing. 
+  exception_object->unwinder_cache.reserved1 = (uintptr_t)stop; 
+  exception_object->unwinder_cache.reserved3 = (uintptr_t)stop_parameter; 
+ 
+  return unwind_phase2_forced(&uc, &cursor, exception_object, stop, 
+                              stop_parameter); 
+} 
+ 
 /// Called by personality handler during phase 2 to find the start of the
 /// function.
 _LIBUNWIND_EXPORT uintptr_t
@@ -1191,17 +1191,17 @@ _Unwind_DeleteException(_Unwind_Exception *exception_object) {
 }
 
 extern "C" _LIBUNWIND_EXPORT _Unwind_Reason_Code
-__gnu_unwind_frame(_Unwind_Exception * /* exception_object */,
+__gnu_unwind_frame(_Unwind_Exception * /* exception_object */, 
                    struct _Unwind_Context *context) {
   unw_cursor_t *cursor = (unw_cursor_t *)context;
-  switch (__unw_step(cursor)) {
-  case UNW_STEP_SUCCESS:
-    return _URC_OK;
-  case UNW_STEP_END:
-    return _URC_END_OF_STACK;
-  default:
+  switch (__unw_step(cursor)) { 
+  case UNW_STEP_SUCCESS: 
+    return _URC_OK; 
+  case UNW_STEP_END: 
+    return _URC_END_OF_STACK; 
+  default: 
     return _URC_FAILURE;
-  }
+  } 
 }
 
 #endif  // defined(_LIBUNWIND_ARM_EHABI)