Silence warnings about unused parameters

Differential Revision: https://reviews.llvm.org/D56984

git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@351888 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 15 insertions, 0 deletions

diff --git a/src/AddressSpace.hpp b/src/AddressSpace.hpp
index 97dce1f..524dbaa 100644
--- a/src/AddressSpace.hpp
+++ b/src/AddressSpace.hpp
@@ -456,6 +456,8 @@ inline bool LocalAddressSpace::findUnwindSections(pint_t targetAddr,
 #elif defined(_LIBUNWIND_SUPPORT_SEH_UNWIND) && defined(_WIN32)
   // Don't even bother, since Windows has functions that do all this stuff
   // for us.
+  (void)targetAddr;
+  (void)info;
   return true;
 #elif defined(_LIBUNWIND_ARM_EHABI) && defined(__BIONIC__) &&                  \
     (__ANDROID_API__ < 21)
@@ -596,6 +598,11 @@ inline bool LocalAddressSpace::findFunctionName(pint_t addr, char *buf,
       return true;
     }
   }
+#else
+  (void)addr;
+  (void)buf;
+  (void)bufLen;
+  (void)offset;
 #endif
   return false;
 }
diff --git a/src/Unwind-seh.cpp b/src/Unwind-seh.cpp
index e5bc278..f55d624 100644
--- a/src/Unwind-seh.cpp
+++ b/src/Unwind-seh.cpp
@@ -52,6 +52,7 @@ static const uint64_t kSEHExceptionClass = 0x434C4E4753454800; // CLNGSEH\0
 /// Exception cleanup routine used by \c _GCC_specific_handler to
 /// free foreign exceptions.
 static void seh_exc_cleanup(_Unwind_Reason_Code urc, _Unwind_Exception *exc) {
+  (void)urc;
   if (exc->exception_class != kSEHExceptionClass)
     _LIBUNWIND_ABORT("SEH cleanup called on non-SEH exception");
   free(exc);
@@ -210,6 +211,8 @@ extern "C" _Unwind_Reason_Code
 __libunwind_seh_personality(int version, _Unwind_Action state,
                             uint64_t klass, _Unwind_Exception *exc,
                             struct _Unwind_Context *context) {
+  (void)version;
+  (void)klass;
   EXCEPTION_RECORD ms_exc;
   bool phase2 = (state & (_UA_SEARCH_PHASE|_UA_CLEANUP_PHASE)) == _UA_CLEANUP_PHASE;
   ms_exc.ExceptionCode = STATUS_GCC_THROW;
diff --git a/src/UnwindCursor.hpp b/src/UnwindCursor.hpp
index 6d3ef69..497ff84 100644
--- a/src/UnwindCursor.hpp
+++ b/src/UnwindCursor.hpp
@@ -788,6 +788,8 @@ bool UnwindCursor<A, R>::validFloatReg(int regNum) {
   if (regNum >= UNW_ARM_D0 && regNum <= UNW_ARM_D31) return true;
 #elif defined(_LIBUNWIND_TARGET_AARCH64)
   if (regNum >= UNW_ARM64_D0 && regNum <= UNW_ARM64_D31) return true;
+#else
+  (void)regNum;
 #endif
   return false;
 }
@@ -815,6 +817,7 @@ unw_fpreg_t UnwindCursor<A, R>::getFloatReg(int regNum) {
 #elif defined(_LIBUNWIND_TARGET_AARCH64)
   return _msContext.V[regNum - UNW_ARM64_D0].D[0];
 #else
+  (void)regNum;
   _LIBUNWIND_ABORT("float registers unimplemented");
 #endif
 }
@@ -842,6 +845,8 @@ void UnwindCursor<A, R>::setFloatReg(int regNum, unw_fpreg_t value) {
 #elif defined(_LIBUNWIND_TARGET_AARCH64)
   _msContext.V[regNum - UNW_ARM64_D0].D[0] = value;
 #else
+  (void)regNum;
+  (void)value;
   _LIBUNWIND_ABORT("float registers unimplemented");
 #endif
 }