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Silence warnings about unused parameters 

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

llvm-svn: 351888
This commit is contained in:
Martin Storsjo 2019-01-22 22:12:23 +00:00
parent 8f302e6222
commit ea5702481a
3 changed files with 15 additions and 0 deletions
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7
libunwind/src/AddressSpace.hpp
View File

@ -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;
}

3
libunwind/src/Unwind-seh.cpp
View File

@ -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;

5
libunwind/src/UnwindCursor.hpp
View File

@ -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
}