1 //===----------------------------------------------------------------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
10 //===----------------------------------------------------------------------===//
20 // that we can later check for the presence of ASan in a compiler-neutral way.
91   co->setInfoBasedOnIPRegister();  in __unw_init_local()
104   if (co->validReg(regNum)) {  in _LIBUNWIND_WEAK_ALIAS()
105     *value = co->getReg(regNum);  in _LIBUNWIND_WEAK_ALIAS()
120   if (co->validReg(regNum)) {  in _LIBUNWIND_WEAK_ALIAS()
121     co->setReg(regNum, (pint_t)value);  in _LIBUNWIND_WEAK_ALIAS()
122     // special case altering IP to re-find info (being called by personality  in _LIBUNWIND_WEAK_ALIAS()
127       co->getInfo(&info);  in _LIBUNWIND_WEAK_ALIAS()
128       co->setInfoBasedOnIPRegister(false);  in _LIBUNWIND_WEAK_ALIAS()
132       // Note: for PA-RISC and other platforms where the stack grows up,  in _LIBUNWIND_WEAK_ALIAS()
133       // this should actually be - info.gp. LLVM doesn't currently support  in _LIBUNWIND_WEAK_ALIAS()
136         co->setReg(UNW_REG_SP, co->getReg(UNW_REG_SP) + info.gp);  in _LIBUNWIND_WEAK_ALIAS()
151   if (co->validFloatReg(regNum)) {  in _LIBUNWIND_WEAK_ALIAS()
152     *value = co->getFloatReg(regNum);  in _LIBUNWIND_WEAK_ALIAS()
170   if (co->validFloatReg(regNum)) {  in _LIBUNWIND_WEAK_ALIAS()
171     co->setFloatReg(regNum, value);  in _LIBUNWIND_WEAK_ALIAS()
182   return co->step();  in _LIBUNWIND_WEAK_ALIAS()
192   return co->step(true);  in _LIBUNWIND_WEAK_ALIAS()
201   co->getInfo(info);  in __unw_get_proc_info()
202   if (info->end_ip == 0)  in __unw_get_proc_info()
216   co->jumpto();  in _LIBUNWIND_WEAK_ALIAS()
228   if (co->getFunctionName(buf, bufLen, offset))  in _LIBUNWIND_WEAK_ALIAS()
234 /// Checks if a register is a floating-point register.  in _LIBUNWIND_WEAK_ALIAS()
240   return co->validFloatReg(regNum);  in _LIBUNWIND_WEAK_ALIAS()
244 /// Checks if a register is a floating-point register.  in _LIBUNWIND_WEAK_ALIAS()
250   return co->getRegisterName(regNum);  in _LIBUNWIND_WEAK_ALIAS()
259   return co->isSignalFrame();  in _LIBUNWIND_WEAK_ALIAS()
268   return co->getDataRelBase();  in _LIBUNWIND_WEAK_ALIAS()
274 // Save VFP registers d0-d15 using FSTMIADX instead of FSTMIADD  in _LIBUNWIND_WEAK_ALIAS()
279   return co->saveVFPAsX();  in _LIBUNWIND_WEAK_ALIAS()
380   findDynamicUnwindSectionsLock.lock();  in __unw_add_find_dynamic_unwind_sections()
396   // Success -- add callback entry.  in __unw_add_find_dynamic_unwind_sections()
406   findDynamicUnwindSectionsLock.lock();  in __unw_remove_find_dynamic_unwind_sections()
424   for (size_t i = finderIdx; i != numDynamicUnwindSectionsFinders - 1; ++i)  in __unw_remove_find_dynamic_unwind_sections()
426   dynamicUnwindSectionsFinders[--numDynamicUnwindSectionsFinders] = nullptr;  in __unw_remove_find_dynamic_unwind_sections()
440   // do manual lock to avoid use of _cxa_guard_acquire or initializers  in logAPIs()
452   // do manual lock to avoid use of _cxa_guard_acquire or initializers  in logUnwinding()
464   // do manual lock to avoid use of _cxa_guard_acquire or initializers  in logDWARF()