| //===----------------------------- Registers.hpp --------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| // |
| // Models register sets for supported processors. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef __REGISTERS_HPP__ |
| #define __REGISTERS_HPP__ |
| |
| #include <stdint.h> |
| #include <string.h> |
| |
| #include "libunwind.h" |
| #include "config.h" |
| |
| namespace libunwind { |
| |
| // For emulating 128-bit registers |
| struct v128 { uint32_t vec[4]; }; |
| |
| |
| #if defined(_LIBUNWIND_TARGET_I386) |
| /// Registers_x86 holds the register state of a thread in a 32-bit intel |
| /// process. |
| class _LIBUNWIND_HIDDEN Registers_x86 { |
| public: |
| Registers_x86(); |
| Registers_x86(const void *registers); |
| |
| bool validRegister(int num) const; |
| uint32_t getRegister(int num) const; |
| void setRegister(int num, uint32_t value); |
| bool validFloatRegister(int) const { return false; } |
| double getFloatRegister(int num) const; |
| void setFloatRegister(int num, double value); |
| bool validVectorRegister(int) const { return false; } |
| v128 getVectorRegister(int num) const; |
| void setVectorRegister(int num, v128 value); |
| const char *getRegisterName(int num); |
| void jumpto(); |
| static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_X86; } |
| |
| uint32_t getSP() const { return _registers.__esp; } |
| void setSP(uint32_t value) { _registers.__esp = value; } |
| uint32_t getIP() const { return _registers.__eip; } |
| void setIP(uint32_t value) { _registers.__eip = value; } |
| uint32_t getEBP() const { return _registers.__ebp; } |
| void setEBP(uint32_t value) { _registers.__ebp = value; } |
| uint32_t getEBX() const { return _registers.__ebx; } |
| void setEBX(uint32_t value) { _registers.__ebx = value; } |
| uint32_t getECX() const { return _registers.__ecx; } |
| void setECX(uint32_t value) { _registers.__ecx = value; } |
| uint32_t getEDX() const { return _registers.__edx; } |
| void setEDX(uint32_t value) { _registers.__edx = value; } |
| uint32_t getESI() const { return _registers.__esi; } |
| void setESI(uint32_t value) { _registers.__esi = value; } |
| uint32_t getEDI() const { return _registers.__edi; } |
| void setEDI(uint32_t value) { _registers.__edi = value; } |
| |
| private: |
| struct GPRs { |
| unsigned int __eax; |
| unsigned int __ebx; |
| unsigned int __ecx; |
| unsigned int __edx; |
| unsigned int __edi; |
| unsigned int __esi; |
| unsigned int __ebp; |
| unsigned int __esp; |
| unsigned int __ss; |
| unsigned int __eflags; |
| unsigned int __eip; |
| unsigned int __cs; |
| unsigned int __ds; |
| unsigned int __es; |
| unsigned int __fs; |
| unsigned int __gs; |
| }; |
| |
| GPRs _registers; |
| }; |
| |
| inline Registers_x86::Registers_x86(const void *registers) { |
| static_assert((check_fit<Registers_x86, unw_context_t>::does_fit), |
| "x86 registers do not fit into unw_context_t"); |
| memcpy(&_registers, registers, sizeof(_registers)); |
| } |
| |
| inline Registers_x86::Registers_x86() { |
| memset(&_registers, 0, sizeof(_registers)); |
| } |
| |
| inline bool Registers_x86::validRegister(int regNum) const { |
| if (regNum == UNW_REG_IP) |
| return true; |
| if (regNum == UNW_REG_SP) |
| return true; |
| if (regNum < 0) |
| return false; |
| if (regNum > 7) |
| return false; |
| return true; |
| } |
| |
| inline uint32_t Registers_x86::getRegister(int regNum) const { |
| switch (regNum) { |
| case UNW_REG_IP: |
| return _registers.__eip; |
| case UNW_REG_SP: |
| return _registers.__esp; |
| case UNW_X86_EAX: |
| return _registers.__eax; |
| case UNW_X86_ECX: |
| return _registers.__ecx; |
| case UNW_X86_EDX: |
| return _registers.__edx; |
| case UNW_X86_EBX: |
| return _registers.__ebx; |
| #if !defined(__APPLE__) |
| case UNW_X86_ESP: |
| #else |
| case UNW_X86_EBP: |
| #endif |
| return _registers.__ebp; |
| #if !defined(__APPLE__) |
| case UNW_X86_EBP: |
| #else |
| case UNW_X86_ESP: |
| #endif |
| return _registers.__esp; |
| case UNW_X86_ESI: |
| return _registers.__esi; |
| case UNW_X86_EDI: |
| return _registers.__edi; |
| } |
| _LIBUNWIND_ABORT("unsupported x86 register"); |
| } |
| |
| inline void Registers_x86::setRegister(int regNum, uint32_t value) { |
| switch (regNum) { |
| case UNW_REG_IP: |
| _registers.__eip = value; |
| return; |
| case UNW_REG_SP: |
| _registers.__esp = value; |
| return; |
| case UNW_X86_EAX: |
| _registers.__eax = value; |
| return; |
| case UNW_X86_ECX: |
| _registers.__ecx = value; |
| return; |
| case UNW_X86_EDX: |
| _registers.__edx = value; |
| return; |
| case UNW_X86_EBX: |
| _registers.__ebx = value; |
| return; |
| #if !defined(__APPLE__) |
| case UNW_X86_ESP: |
| #else |
| case UNW_X86_EBP: |
| #endif |
| _registers.__ebp = value; |
| return; |
| #if !defined(__APPLE__) |
| case UNW_X86_EBP: |
| #else |
| case UNW_X86_ESP: |
| #endif |
| _registers.__esp = value; |
| return; |
| case UNW_X86_ESI: |
| _registers.__esi = value; |
| return; |
| case UNW_X86_EDI: |
| _registers.__edi = value; |
| return; |
| } |
| _LIBUNWIND_ABORT("unsupported x86 register"); |
| } |
| |
| inline const char *Registers_x86::getRegisterName(int regNum) { |
| switch (regNum) { |
| case UNW_REG_IP: |
| return "ip"; |
| case UNW_REG_SP: |
| return "esp"; |
| case UNW_X86_EAX: |
| return "eax"; |
| case UNW_X86_ECX: |
| return "ecx"; |
| case UNW_X86_EDX: |
| return "edx"; |
| case UNW_X86_EBX: |
| return "ebx"; |
| case UNW_X86_EBP: |
| return "ebp"; |
| case UNW_X86_ESP: |
| return "esp"; |
| case UNW_X86_ESI: |
| return "esi"; |
| case UNW_X86_EDI: |
| return "edi"; |
| default: |
| return "unknown register"; |
| } |
| } |
| |
| inline double Registers_x86::getFloatRegister(int) const { |
| _LIBUNWIND_ABORT("no x86 float registers"); |
| } |
| |
| inline void Registers_x86::setFloatRegister(int, double) { |
| _LIBUNWIND_ABORT("no x86 float registers"); |
| } |
| |
| inline v128 Registers_x86::getVectorRegister(int) const { |
| _LIBUNWIND_ABORT("no x86 vector registers"); |
| } |
| |
| inline void Registers_x86::setVectorRegister(int, v128) { |
| _LIBUNWIND_ABORT("no x86 vector registers"); |
| } |
| #endif // _LIBUNWIND_TARGET_I386 |
| |
| |
| #if defined(_LIBUNWIND_TARGET_X86_64) |
| /// Registers_x86_64 holds the register state of a thread in a 64-bit intel |
| /// process. |
| class _LIBUNWIND_HIDDEN Registers_x86_64 { |
| public: |
| Registers_x86_64(); |
| Registers_x86_64(const void *registers); |
| |
| bool validRegister(int num) const; |
| uint64_t getRegister(int num) const; |
| void setRegister(int num, uint64_t value); |
| bool validFloatRegister(int) const { return false; } |
| double getFloatRegister(int num) const; |
| void setFloatRegister(int num, double value); |
| bool validVectorRegister(int) const; |
| v128 getVectorRegister(int num) const; |
| void setVectorRegister(int num, v128 value); |
| const char *getRegisterName(int num); |
| void jumpto(); |
| static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_X86_64; } |
| |
| uint64_t getSP() const { return _registers.__rsp; } |
| void setSP(uint64_t value) { _registers.__rsp = value; } |
| uint64_t getIP() const { return _registers.__rip; } |
| void setIP(uint64_t value) { _registers.__rip = value; } |
| uint64_t getRBP() const { return _registers.__rbp; } |
| void setRBP(uint64_t value) { _registers.__rbp = value; } |
| uint64_t getRBX() const { return _registers.__rbx; } |
| void setRBX(uint64_t value) { _registers.__rbx = value; } |
| uint64_t getR12() const { return _registers.__r12; } |
| void setR12(uint64_t value) { _registers.__r12 = value; } |
| uint64_t getR13() const { return _registers.__r13; } |
| void setR13(uint64_t value) { _registers.__r13 = value; } |
| uint64_t getR14() const { return _registers.__r14; } |
| void setR14(uint64_t value) { _registers.__r14 = value; } |
| uint64_t getR15() const { return _registers.__r15; } |
| void setR15(uint64_t value) { _registers.__r15 = value; } |
| |
| private: |
| struct GPRs { |
| uint64_t __rax; |
| uint64_t __rbx; |
| uint64_t __rcx; |
| uint64_t __rdx; |
| uint64_t __rdi; |
| uint64_t __rsi; |
| uint64_t __rbp; |
| uint64_t __rsp; |
| uint64_t __r8; |
| uint64_t __r9; |
| uint64_t __r10; |
| uint64_t __r11; |
| uint64_t __r12; |
| uint64_t __r13; |
| uint64_t __r14; |
| uint64_t __r15; |
| uint64_t __rip; |
| uint64_t __rflags; |
| uint64_t __cs; |
| uint64_t __fs; |
| uint64_t __gs; |
| #if defined(_WIN64) |
| uint64_t __padding; // 16-byte align |
| #endif |
| }; |
| GPRs _registers; |
| #if defined(_WIN64) |
| v128 _xmm[16]; |
| #endif |
| }; |
| |
| inline Registers_x86_64::Registers_x86_64(const void *registers) { |
| static_assert((check_fit<Registers_x86_64, unw_context_t>::does_fit), |
| "x86_64 registers do not fit into unw_context_t"); |
| memcpy(&_registers, registers, sizeof(_registers)); |
| } |
| |
| inline Registers_x86_64::Registers_x86_64() { |
| memset(&_registers, 0, sizeof(_registers)); |
| } |
| |
| inline bool Registers_x86_64::validRegister(int regNum) const { |
| if (regNum == UNW_REG_IP) |
| return true; |
| if (regNum == UNW_REG_SP) |
| return true; |
| if (regNum < 0) |
| return false; |
| if (regNum > 15) |
| return false; |
| return true; |
| } |
| |
| inline uint64_t Registers_x86_64::getRegister(int regNum) const { |
| switch (regNum) { |
| case UNW_REG_IP: |
| return _registers.__rip; |
| case UNW_REG_SP: |
| return _registers.__rsp; |
| case UNW_X86_64_RAX: |
| return _registers.__rax; |
| case UNW_X86_64_RDX: |
| return _registers.__rdx; |
| case UNW_X86_64_RCX: |
| return _registers.__rcx; |
| case UNW_X86_64_RBX: |
| return _registers.__rbx; |
| case UNW_X86_64_RSI: |
| return _registers.__rsi; |
| case UNW_X86_64_RDI: |
| return _registers.__rdi; |
| case UNW_X86_64_RBP: |
| return _registers.__rbp; |
| case UNW_X86_64_RSP: |
| return _registers.__rsp; |
| case UNW_X86_64_R8: |
| return _registers.__r8; |
| case UNW_X86_64_R9: |
| return _registers.__r9; |
| case UNW_X86_64_R10: |
| return _registers.__r10; |
| case UNW_X86_64_R11: |
| return _registers.__r11; |
| case UNW_X86_64_R12: |
| return _registers.__r12; |
| case UNW_X86_64_R13: |
| return _registers.__r13; |
| case UNW_X86_64_R14: |
| return _registers.__r14; |
| case UNW_X86_64_R15: |
| return _registers.__r15; |
| } |
| _LIBUNWIND_ABORT("unsupported x86_64 register"); |
| } |
| |
| inline void Registers_x86_64::setRegister(int regNum, uint64_t value) { |
| switch (regNum) { |
| case UNW_REG_IP: |
| _registers.__rip = value; |
| return; |
| case UNW_REG_SP: |
| _registers.__rsp = value; |
| return; |
| case UNW_X86_64_RAX: |
| _registers.__rax = value; |
| return; |
| case UNW_X86_64_RDX: |
| _registers.__rdx = value; |
| return; |
| case UNW_X86_64_RCX: |
| _registers.__rcx = value; |
| return; |
| case UNW_X86_64_RBX: |
| _registers.__rbx = value; |
| return; |
| case UNW_X86_64_RSI: |
| _registers.__rsi = value; |
| return; |
| case UNW_X86_64_RDI: |
| _registers.__rdi = value; |
| return; |
| case UNW_X86_64_RBP: |
| _registers.__rbp = value; |
| return; |
| case UNW_X86_64_RSP: |
| _registers.__rsp = value; |
| return; |
| case UNW_X86_64_R8: |
| _registers.__r8 = value; |
| return; |
| case UNW_X86_64_R9: |
| _registers.__r9 = value; |
| return; |
| case UNW_X86_64_R10: |
| _registers.__r10 = value; |
| return; |
| case UNW_X86_64_R11: |
| _registers.__r11 = value; |
| return; |
| case UNW_X86_64_R12: |
| _registers.__r12 = value; |
| return; |
| case UNW_X86_64_R13: |
| _registers.__r13 = value; |
| return; |
| case UNW_X86_64_R14: |
| _registers.__r14 = value; |
| return; |
| case UNW_X86_64_R15: |
| _registers.__r15 = value; |
| return; |
| } |
| _LIBUNWIND_ABORT("unsupported x86_64 register"); |
| } |
| |
| inline const char *Registers_x86_64::getRegisterName(int regNum) { |
| switch (regNum) { |
| case UNW_REG_IP: |
| return "rip"; |
| case UNW_REG_SP: |
| return "rsp"; |
| case UNW_X86_64_RAX: |
| return "rax"; |
| case UNW_X86_64_RDX: |
| return "rdx"; |
| case UNW_X86_64_RCX: |
| return "rcx"; |
| case UNW_X86_64_RBX: |
| return "rbx"; |
| case UNW_X86_64_RSI: |
| return "rsi"; |
| case UNW_X86_64_RDI: |
| return "rdi"; |
| case UNW_X86_64_RBP: |
| return "rbp"; |
| case UNW_X86_64_RSP: |
| return "rsp"; |
| case UNW_X86_64_R8: |
| return "r8"; |
| case UNW_X86_64_R9: |
| return "r9"; |
| case UNW_X86_64_R10: |
| return "r10"; |
| case UNW_X86_64_R11: |
| return "r11"; |
| case UNW_X86_64_R12: |
| return "r12"; |
| case UNW_X86_64_R13: |
| return "r13"; |
| case UNW_X86_64_R14: |
| return "r14"; |
| case UNW_X86_64_R15: |
| return "r15"; |
| case UNW_X86_64_XMM0: |
| return "xmm0"; |
| case UNW_X86_64_XMM1: |
| return "xmm1"; |
| case UNW_X86_64_XMM2: |
| return "xmm2"; |
| case UNW_X86_64_XMM3: |
| return "xmm3"; |
| case UNW_X86_64_XMM4: |
| return "xmm4"; |
| case UNW_X86_64_XMM5: |
| return "xmm5"; |
| case UNW_X86_64_XMM6: |
| return "xmm6"; |
| case UNW_X86_64_XMM7: |
| return "xmm7"; |
| case UNW_X86_64_XMM8: |
| return "xmm8"; |
| case UNW_X86_64_XMM9: |
| return "xmm9"; |
| case UNW_X86_64_XMM10: |
| return "xmm10"; |
| case UNW_X86_64_XMM11: |
| return "xmm11"; |
| case UNW_X86_64_XMM12: |
| return "xmm12"; |
| case UNW_X86_64_XMM13: |
| return "xmm13"; |
| case UNW_X86_64_XMM14: |
| return "xmm14"; |
| case UNW_X86_64_XMM15: |
| return "xmm15"; |
| default: |
| return "unknown register"; |
| } |
| } |
| |
| inline double Registers_x86_64::getFloatRegister(int) const { |
| _LIBUNWIND_ABORT("no x86_64 float registers"); |
| } |
| |
| inline void Registers_x86_64::setFloatRegister(int, double) { |
| _LIBUNWIND_ABORT("no x86_64 float registers"); |
| } |
| |
| inline bool Registers_x86_64::validVectorRegister(int regNum) const { |
| #if defined(_WIN64) |
| if (regNum < UNW_X86_64_XMM0) |
| return false; |
| if (regNum > UNW_X86_64_XMM15) |
| return false; |
| return true; |
| #else |
| return false; |
| #endif |
| } |
| |
| inline v128 Registers_x86_64::getVectorRegister(int regNum) const { |
| #if defined(_WIN64) |
| assert(validVectorRegister(regNum)); |
| return _xmm[regNum - UNW_X86_64_XMM0]; |
| #else |
| _LIBUNWIND_ABORT("no x86_64 vector registers"); |
| #endif |
| } |
| |
| inline void Registers_x86_64::setVectorRegister(int regNum, v128 value) { |
| #if defined(_WIN64) |
| assert(validVectorRegister(regNum)); |
| _xmm[regNum - UNW_X86_64_XMM0] = value; |
| #else |
| _LIBUNWIND_ABORT("no x86_64 vector registers"); |
| #endif |
| } |
| #endif // _LIBUNWIND_TARGET_X86_64 |
| |
| |
| #if defined(_LIBUNWIND_TARGET_PPC) |
| /// Registers_ppc holds the register state of a thread in a 32-bit PowerPC |
| /// process. |
| class _LIBUNWIND_HIDDEN Registers_ppc { |
| public: |
| Registers_ppc(); |
| Registers_ppc(const void *registers); |
| |
| bool validRegister(int num) const; |
| uint32_t getRegister(int num) const; |
| void setRegister(int num, uint32_t value); |
| bool validFloatRegister(int num) const; |
| double getFloatRegister(int num) const; |
| void setFloatRegister(int num, double value); |
| bool validVectorRegister(int num) const; |
| v128 getVectorRegister(int num) const; |
| void setVectorRegister(int num, v128 value); |
| const char *getRegisterName(int num); |
| void jumpto(); |
| static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_PPC; } |
| |
| uint64_t getSP() const { return _registers.__r1; } |
| void setSP(uint32_t value) { _registers.__r1 = value; } |
| uint64_t getIP() const { return _registers.__srr0; } |
| void setIP(uint32_t value) { _registers.__srr0 = value; } |
| |
| private: |
| struct ppc_thread_state_t { |
| unsigned int __srr0; /* Instruction address register (PC) */ |
| unsigned int __srr1; /* Machine state register (supervisor) */ |
| unsigned int __r0; |
| unsigned int __r1; |
| unsigned int __r2; |
| unsigned int __r3; |
| unsigned int __r4; |
| unsigned int __r5; |
| unsigned int __r6; |
| unsigned int __r7; |
| unsigned int __r8; |
| unsigned int __r9; |
| unsigned int __r10; |
| unsigned int __r11; |
| unsigned int __r12; |
| unsigned int __r13; |
| unsigned int __r14; |
| unsigned int __r15; |
| unsigned int __r16; |
| unsigned int __r17; |
| unsigned int __r18; |
| unsigned int __r19; |
| unsigned int __r20; |
| unsigned int __r21; |
| unsigned int __r22; |
| unsigned int __r23; |
| unsigned int __r24; |
| unsigned int __r25; |
| unsigned int __r26; |
| unsigned int __r27; |
| unsigned int __r28; |
| unsigned int __r29; |
| unsigned int __r30; |
| unsigned int __r31; |
| unsigned int __cr; /* Condition register */ |
| unsigned int __xer; /* User's integer exception register */ |
| unsigned int __lr; /* Link register */ |
| unsigned int __ctr; /* Count register */ |
| unsigned int __mq; /* MQ register (601 only) */ |
| unsigned int __vrsave; /* Vector Save Register */ |
| }; |
| |
| struct ppc_float_state_t { |
| double __fpregs[32]; |
| |
| unsigned int __fpscr_pad; /* fpscr is 64 bits, 32 bits of rubbish */ |
| unsigned int __fpscr; /* floating point status register */ |
| }; |
| |
| ppc_thread_state_t _registers; |
| ppc_float_state_t _floatRegisters; |
| v128 _vectorRegisters[32]; // offset 424 |
| }; |
| |
| inline Registers_ppc::Registers_ppc(const void *registers) { |
| static_assert((check_fit<Registers_ppc, unw_context_t>::does_fit), |
| "ppc registers do not fit into unw_context_t"); |
| memcpy(&_registers, static_cast<const uint8_t *>(registers), |
| sizeof(_registers)); |
| static_assert(sizeof(ppc_thread_state_t) == 160, |
| "expected float register offset to be 160"); |
| memcpy(&_floatRegisters, |
| static_cast<const uint8_t *>(registers) + sizeof(ppc_thread_state_t), |
| sizeof(_floatRegisters)); |
| static_assert(sizeof(ppc_thread_state_t) + sizeof(ppc_float_state_t) == 424, |
| "expected vector register offset to be 424 bytes"); |
| memcpy(_vectorRegisters, |
| static_cast<const uint8_t *>(registers) + sizeof(ppc_thread_state_t) + |
| sizeof(ppc_float_state_t), |
| sizeof(_vectorRegisters)); |
| } |
| |
| inline Registers_ppc::Registers_ppc() { |
| memset(&_registers, 0, sizeof(_registers)); |
| memset(&_floatRegisters, 0, sizeof(_floatRegisters)); |
| memset(&_vectorRegisters, 0, sizeof(_vectorRegisters)); |
| } |
| |
| inline bool Registers_ppc::validRegister(int regNum) const { |
| if (regNum == UNW_REG_IP) |
| return true; |
| if (regNum == UNW_REG_SP) |
| return true; |
| if (regNum == UNW_PPC_VRSAVE) |
| return true; |
| if (regNum < 0) |
| return false; |
| if (regNum <= UNW_PPC_R31) |
| return true; |
| if (regNum == UNW_PPC_MQ) |
| return true; |
| if (regNum == UNW_PPC_LR) |
| return true; |
| if (regNum == UNW_PPC_CTR) |
| return true; |
| if ((UNW_PPC_CR0 <= regNum) && (regNum <= UNW_PPC_CR7)) |
| return true; |
| return false; |
| } |
| |
| inline uint32_t Registers_ppc::getRegister(int regNum) const { |
| switch (regNum) { |
| case UNW_REG_IP: |
| return _registers.__srr0; |
| case UNW_REG_SP: |
| return _registers.__r1; |
| case UNW_PPC_R0: |
| return _registers.__r0; |
| case UNW_PPC_R1: |
| return _registers.__r1; |
| case UNW_PPC_R2: |
| return _registers.__r2; |
| case UNW_PPC_R3: |
| return _registers.__r3; |
| case UNW_PPC_R4: |
| return _registers.__r4; |
| case UNW_PPC_R5: |
| return _registers.__r5; |
| case UNW_PPC_R6: |
| return _registers.__r6; |
| case UNW_PPC_R7: |
| return _registers.__r7; |
| case UNW_PPC_R8: |
| return _registers.__r8; |
| case UNW_PPC_R9: |
| return _registers.__r9; |
| case UNW_PPC_R10: |
| return _registers.__r10; |
| case UNW_PPC_R11: |
| return _registers.__r11; |
| case UNW_PPC_R12: |
| return _registers.__r12; |
| case UNW_PPC_R13: |
| return _registers.__r13; |
| case UNW_PPC_R14: |
| return _registers.__r14; |
| case UNW_PPC_R15: |
| return _registers.__r15; |
| case UNW_PPC_R16: |
| return _registers.__r16; |
| case UNW_PPC_R17: |
| return _registers.__r17; |
| case UNW_PPC_R18: |
| return _registers.__r18; |
| case UNW_PPC_R19: |
| return _registers.__r19; |
| case UNW_PPC_R20: |
| return _registers.__r20; |
| case UNW_PPC_R21: |
| return _registers.__r21; |
| case UNW_PPC_R22: |
| return _registers.__r22; |
| case UNW_PPC_R23: |
| return _registers.__r23; |
| case UNW_PPC_R24: |
| return _registers.__r24; |
| case UNW_PPC_R25: |
| return _registers.__r25; |
| case UNW_PPC_R26: |
| return _registers.__r26; |
| case UNW_PPC_R27: |
| return _registers.__r27; |
| case UNW_PPC_R28: |
| return _registers.__r28; |
| case UNW_PPC_R29: |
| return _registers.__r29; |
| case UNW_PPC_R30: |
| return _registers.__r30; |
| case UNW_PPC_R31: |
| return _registers.__r31; |
| case UNW_PPC_LR: |
| return _registers.__lr; |
| case UNW_PPC_CR0: |
| return (_registers.__cr & 0xF0000000); |
| case UNW_PPC_CR1: |
| return (_registers.__cr & 0x0F000000); |
| case UNW_PPC_CR2: |
| return (_registers.__cr & 0x00F00000); |
| case UNW_PPC_CR3: |
| return (_registers.__cr & 0x000F0000); |
| case UNW_PPC_CR4: |
| return (_registers.__cr & 0x0000F000); |
| case UNW_PPC_CR5: |
| return (_registers.__cr & 0x00000F00); |
| case UNW_PPC_CR6: |
| return (_registers.__cr & 0x000000F0); |
| case UNW_PPC_CR7: |
| return (_registers.__cr & 0x0000000F); |
| case UNW_PPC_VRSAVE: |
| return _registers.__vrsave; |
| } |
| _LIBUNWIND_ABORT("unsupported ppc register"); |
| } |
| |
| inline void Registers_ppc::setRegister(int regNum, uint32_t value) { |
| //fprintf(stderr, "Registers_ppc::setRegister(%d, 0x%08X)\n", regNum, value); |
| switch (regNum) { |
| case UNW_REG_IP: |
| _registers.__srr0 = value; |
| return; |
| case UNW_REG_SP: |
| _registers.__r1 = value; |
| return; |
| case UNW_PPC_R0: |
| _registers.__r0 = value; |
| return; |
| case UNW_PPC_R1: |
| _registers.__r1 = value; |
| return; |
| case UNW_PPC_R2: |
| _registers.__r2 = value; |
| return; |
| case UNW_PPC_R3: |
| _registers.__r3 = value; |
| return; |
| case UNW_PPC_R4: |
| _registers.__r4 = value; |
| return; |
| case UNW_PPC_R5: |
| _registers.__r5 = value; |
| return; |
| case UNW_PPC_R6: |
| _registers.__r6 = value; |
| return; |
| case UNW_PPC_R7: |
| _registers.__r7 = value; |
| return; |
| case UNW_PPC_R8: |
| _registers.__r8 = value; |
| return; |
| case UNW_PPC_R9: |
| _registers.__r9 = value; |
| return; |
| case UNW_PPC_R10: |
| _registers.__r10 = value; |
| return; |
| case UNW_PPC_R11: |
| _registers.__r11 = value; |
| return; |
| case UNW_PPC_R12: |
| _registers.__r12 = value; |
| return; |
| case UNW_PPC_R13: |
| _registers.__r13 = value; |
| return; |
| case UNW_PPC_R14: |
| _registers.__r14 = value; |
| return; |
| case UNW_PPC_R15: |
| _registers.__r15 = value; |
| return; |
| case UNW_PPC_R16: |
| _registers.__r16 = value; |
| return; |
| case UNW_PPC_R17: |
| _registers.__r17 = value; |
| return; |
| case UNW_PPC_R18: |
| _registers.__r18 = value; |
| return; |
| case UNW_PPC_R19: |
| _registers.__r19 = value; |
| return; |
| case UNW_PPC_R20: |
| _registers.__r20 = value; |
| return; |
| case UNW_PPC_R21: |
| _registers.__r21 = value; |
| return; |
| case UNW_PPC_R22: |
| _registers.__r22 = value; |
| return; |
| case UNW_PPC_R23: |
| _registers.__r23 = value; |
| return; |
| case UNW_PPC_R24: |
| _registers.__r24 = value; |
| return; |
| case UNW_PPC_R25: |
| _registers.__r25 = value; |
| return; |
| case UNW_PPC_R26: |
| _registers.__r26 = value; |
| return; |
| case UNW_PPC_R27: |
| _registers.__r27 = value; |
| return; |
| case UNW_PPC_R28: |
| _registers.__r28 = value; |
| return; |
| case UNW_PPC_R29: |
| _registers.__r29 = value; |
| return; |
| case UNW_PPC_R30: |
| _registers.__r30 = value; |
| return; |
| case UNW_PPC_R31: |
| _registers.__r31 = value; |
| return; |
| case UNW_PPC_MQ: |
| _registers.__mq = value; |
| return; |
| case UNW_PPC_LR: |
| _registers.__lr = value; |
| return; |
| case UNW_PPC_CTR: |
| _registers.__ctr = value; |
| return; |
| case UNW_PPC_CR0: |
| _registers.__cr &= 0x0FFFFFFF; |
| _registers.__cr |= (value & 0xF0000000); |
| return; |
| case UNW_PPC_CR1: |
| _registers.__cr &= 0xF0FFFFFF; |
| _registers.__cr |= (value & 0x0F000000); |
| return; |
| case UNW_PPC_CR2: |
| _registers.__cr &= 0xFF0FFFFF; |
| _registers.__cr |= (value & 0x00F00000); |
| return; |
| case UNW_PPC_CR3: |
| _registers.__cr &= 0xFFF0FFFF; |
| _registers.__cr |= (value & 0x000F0000); |
| return; |
| case UNW_PPC_CR4: |
| _registers.__cr &= 0xFFFF0FFF; |
| _registers.__cr |= (value & 0x0000F000); |
| return; |
| case UNW_PPC_CR5: |
| _registers.__cr &= 0xFFFFF0FF; |
| _registers.__cr |= (value & 0x00000F00); |
| return; |
| case UNW_PPC_CR6: |
| _registers.__cr &= 0xFFFFFF0F; |
| _registers.__cr |= (value & 0x000000F0); |
| return; |
| case UNW_PPC_CR7: |
| _registers.__cr &= 0xFFFFFFF0; |
| _registers.__cr |= (value & 0x0000000F); |
| return; |
| case UNW_PPC_VRSAVE: |
| _registers.__vrsave = value; |
| return; |
| // not saved |
| return; |
| case UNW_PPC_XER: |
| _registers.__xer = value; |
| return; |
| case UNW_PPC_AP: |
| case UNW_PPC_VSCR: |
| case UNW_PPC_SPEFSCR: |
| // not saved |
| return; |
| } |
| _LIBUNWIND_ABORT("unsupported ppc register"); |
| } |
| |
| inline bool Registers_ppc::validFloatRegister(int regNum) const { |
| if (regNum < UNW_PPC_F0) |
| return false; |
| if (regNum > UNW_PPC_F31) |
| return false; |
| return true; |
| } |
| |
| inline double Registers_ppc::getFloatRegister(int regNum) const { |
| assert(validFloatRegister(regNum)); |
| return _floatRegisters.__fpregs[regNum - UNW_PPC_F0]; |
| } |
| |
| inline void Registers_ppc::setFloatRegister(int regNum, double value) { |
| assert(validFloatRegister(regNum)); |
| _floatRegisters.__fpregs[regNum - UNW_PPC_F0] = value; |
| } |
| |
| inline bool Registers_ppc::validVectorRegister(int regNum) const { |
| if (regNum < UNW_PPC_V0) |
| return false; |
| if (regNum > UNW_PPC_V31) |
| return false; |
| return true; |
| } |
| |
| inline v128 Registers_ppc::getVectorRegister(int regNum) const { |
| assert(validVectorRegister(regNum)); |
| v128 result = _vectorRegisters[regNum - UNW_PPC_V0]; |
| return result; |
| } |
| |
| inline void Registers_ppc::setVectorRegister(int regNum, v128 value) { |
| assert(validVectorRegister(regNum)); |
| _vectorRegisters[regNum - UNW_PPC_V0] = value; |
| } |
| |
| inline const char *Registers_ppc::getRegisterName(int regNum) { |
| switch (regNum) { |
| case UNW_REG_IP: |
| return "ip"; |
| case UNW_REG_SP: |
| return "sp"; |
| case UNW_PPC_R0: |
| return "r0"; |
| case UNW_PPC_R1: |
| return "r1"; |
| case UNW_PPC_R2: |
| return "r2"; |
| case UNW_PPC_R3: |
| return "r3"; |
| case UNW_PPC_R4: |
| return "r4"; |
| case UNW_PPC_R5: |
| return "r5"; |
| case UNW_PPC_R6: |
| return "r6"; |
| case UNW_PPC_R7: |
| return "r7"; |
| case UNW_PPC_R8: |
| return "r8"; |
| case UNW_PPC_R9: |
| return "r9"; |
| case UNW_PPC_R10: |
| return "r10"; |
| case UNW_PPC_R11: |
| return "r11"; |
| case UNW_PPC_R12: |
| return "r12"; |
| case UNW_PPC_R13: |
| return "r13"; |
| case UNW_PPC_R14: |
| return "r14"; |
| case UNW_PPC_R15: |
| return "r15"; |
| case UNW_PPC_R16: |
| return "r16"; |
| case UNW_PPC_R17: |
| return "r17"; |
| case UNW_PPC_R18: |
| return "r18"; |
| case UNW_PPC_R19: |
| return "r19"; |
| case UNW_PPC_R20: |
| return "r20"; |
| case UNW_PPC_R21: |
| return "r21"; |
| case UNW_PPC_R22: |
| return "r22"; |
| case UNW_PPC_R23: |
| return "r23"; |
| case UNW_PPC_R24: |
| return "r24"; |
| case UNW_PPC_R25: |
| return "r25"; |
| case UNW_PPC_R26: |
| return "r26"; |
| case UNW_PPC_R27: |
| return "r27"; |
| case UNW_PPC_R28: |
| return "r28"; |
| case UNW_PPC_R29: |
| return "r29"; |
| case UNW_PPC_R30: |
| return "r30"; |
| case UNW_PPC_R31: |
| return "r31"; |
| case UNW_PPC_F0: |
| return "fp0"; |
| case UNW_PPC_F1: |
| return "fp1"; |
| case UNW_PPC_F2: |
| return "fp2"; |
| case UNW_PPC_F3: |
| return "fp3"; |
| case UNW_PPC_F4: |
| return "fp4"; |
| case UNW_PPC_F5: |
| return "fp5"; |
| case UNW_PPC_F6: |
| return "fp6"; |
| case UNW_PPC_F7: |
| return "fp7"; |
| case UNW_PPC_F8: |
| return "fp8"; |
| case UNW_PPC_F9: |
| return "fp9"; |
| case UNW_PPC_F10: |
| return "fp10"; |
| case UNW_PPC_F11: |
| return "fp11"; |
| case UNW_PPC_F12: |
| return "fp12"; |
| case UNW_PPC_F13: |
| return "fp13"; |
| case UNW_PPC_F14: |
| return "fp14"; |
| case UNW_PPC_F15: |
| return "fp15"; |
| case UNW_PPC_F16: |
| return "fp16"; |
| case UNW_PPC_F17: |
| return "fp17"; |
| case UNW_PPC_F18: |
| return "fp18"; |
| case UNW_PPC_F19: |
| return "fp19"; |
| case UNW_PPC_F20: |
| return "fp20"; |
| case UNW_PPC_F21: |
| return "fp21"; |
| case UNW_PPC_F22: |
| return "fp22"; |
| case UNW_PPC_F23: |
| return "fp23"; |
| case UNW_PPC_F24: |
| return "fp24"; |
| case UNW_PPC_F25: |
| return "fp25"; |
| case UNW_PPC_F26: |
| return "fp26"; |
| case UNW_PPC_F27: |
| return "fp27"; |
| case UNW_PPC_F28: |
| return "fp28"; |
| case UNW_PPC_F29: |
| return "fp29"; |
| case UNW_PPC_F30: |
| return "fp30"; |
| case UNW_PPC_F31: |
| return "fp31"; |
| case UNW_PPC_LR: |
| return "lr"; |
| default: |
| return "unknown register"; |
| } |
| |
| } |
| #endif // _LIBUNWIND_TARGET_PPC |
| |
| #if defined(_LIBUNWIND_TARGET_PPC64) |
| /// Registers_ppc64 holds the register state of a thread in a 64-bit PowerPC |
| /// process. |
| class _LIBUNWIND_HIDDEN Registers_ppc64 { |
| public: |
| Registers_ppc64(); |
| Registers_ppc64(const void *registers); |
| |
| bool validRegister(int num) const; |
| uint64_t getRegister(int num) const; |
| void setRegister(int num, uint64_t value); |
| bool validFloatRegister(int num) const; |
| double getFloatRegister(int num) const; |
| void setFloatRegister(int num, double value); |
| bool validVectorRegister(int num) const; |
| v128 getVectorRegister(int num) const; |
| void setVectorRegister(int num, v128 value); |
| const char *getRegisterName(int num); |
| void jumpto(); |
| static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_PPC64; } |
| |
| uint64_t getSP() const { return _registers.__r1; } |
| void setSP(uint64_t value) { _registers.__r1 = value; } |
| uint64_t getIP() const { return _registers.__srr0; } |
| void setIP(uint64_t value) { _registers.__srr0 = value; } |
| |
| private: |
| struct ppc64_thread_state_t { |
| uint64_t __srr0; // Instruction address register (PC) |
| uint64_t __srr1; // Machine state register (supervisor) |
| uint64_t __r0; |
| uint64_t __r1; |
| uint64_t __r2; |
| uint64_t __r3; |
| uint64_t __r4; |
| uint64_t __r5; |
| uint64_t __r6; |
| uint64_t __r7; |
| uint64_t __r8; |
| uint64_t __r9; |
| uint64_t __r10; |
| uint64_t __r11; |
| uint64_t __r12; |
| uint64_t __r13; |
| uint64_t __r14; |
| uint64_t __r15; |
| uint64_t __r16; |
| uint64_t __r17; |
| uint64_t __r18; |
| uint64_t __r19; |
| uint64_t __r20; |
| uint64_t __r21; |
| uint64_t __r22; |
| uint64_t __r23; |
| uint64_t __r24; |
| uint64_t __r25; |
| uint64_t __r26; |
| uint64_t __r27; |
| uint64_t __r28; |
| uint64_t __r29; |
| uint64_t __r30; |
| uint64_t __r31; |
| uint64_t __cr; // Condition register |
| uint64_t __xer; // User's integer exception register |
| uint64_t __lr; // Link register |
| uint64_t __ctr; // Count register |
| uint64_t __vrsave; // Vector Save Register |
| }; |
| |
| union ppc64_vsr_t { |
| struct asfloat_s { |
| double f; |
| uint64_t v2; |
| } asfloat; |
| v128 v; |
| }; |
| |
| ppc64_thread_state_t _registers; |
| ppc64_vsr_t _vectorScalarRegisters[64]; |
| |
| static int getVectorRegNum(int num); |
| }; |
| |
| inline Registers_ppc64::Registers_ppc64(const void *registers) { |
| static_assert((check_fit<Registers_ppc64, unw_context_t>::does_fit), |
| "ppc64 registers do not fit into unw_context_t"); |
| memcpy(&_registers, static_cast<const uint8_t *>(registers), |
| sizeof(_registers)); |
| static_assert(sizeof(_registers) == 312, |
| "expected vector scalar register offset to be 312"); |
| memcpy(&_vectorScalarRegisters, |
| static_cast<const uint8_t *>(registers) + sizeof(_registers), |
| sizeof(_vectorScalarRegisters)); |
| static_assert(sizeof(_registers) + |
| sizeof(_vectorScalarRegisters) == 1336, |
| "expected vector register offset to be 1336 bytes"); |
| } |
| |
| inline Registers_ppc64::Registers_ppc64() { |
| memset(&_registers, 0, sizeof(_registers)); |
| memset(&_vectorScalarRegisters, 0, sizeof(_vectorScalarRegisters)); |
| } |
| |
| inline bool Registers_ppc64::validRegister(int regNum) const { |
| switch (regNum) { |
| case UNW_REG_IP: |
| case UNW_REG_SP: |
| case UNW_PPC64_XER: |
| case UNW_PPC64_LR: |
| case UNW_PPC64_CTR: |
| case UNW_PPC64_VRSAVE: |
| return true; |
| } |
| |
| if (regNum >= UNW_PPC64_R0 && regNum <= UNW_PPC64_R31) |
| return true; |
| if (regNum >= UNW_PPC64_CR0 && regNum <= UNW_PPC64_CR7) |
| return true; |
| |
| return false; |
| } |
| |
| inline uint64_t Registers_ppc64::getRegister(int regNum) const { |
| switch (regNum) { |
| case UNW_REG_IP: |
| return _registers.__srr0; |
| case UNW_PPC64_R0: |
| return _registers.__r0; |
| case UNW_PPC64_R1: |
| case UNW_REG_SP: |
| return _registers.__r1; |
| case UNW_PPC64_R2: |
| return _registers.__r2; |
| case UNW_PPC64_R3: |
| return _registers.__r3; |
| case UNW_PPC64_R4: |
| return _registers.__r4; |
| case UNW_PPC64_R5: |
| return _registers.__r5; |
| case UNW_PPC64_R6: |
| return _registers.__r6; |
| case UNW_PPC64_R7: |
| return _registers.__r7; |
| case UNW_PPC64_R8: |
| return _registers.__r8; |
| case UNW_PPC64_R9: |
| return _registers.__r9; |
| case UNW_PPC64_R10: |
| return _registers.__r10; |
| case UNW_PPC64_R11: |
| return _registers.__r11; |
| case UNW_PPC64_R12: |
| return _registers.__r12; |
| case UNW_PPC64_R13: |
| return _registers.__r13; |
| case UNW_PPC64_R14: |
| return _registers.__r14; |
| case UNW_PPC64_R15: |
| return _registers.__r15; |
| case UNW_PPC64_R16: |
| return _registers.__r16; |
| case UNW_PPC64_R17: |
| return _registers.__r17; |
| case UNW_PPC64_R18: |
| return _registers.__r18; |
| case UNW_PPC64_R19: |
| return _registers.__r19; |
| case UNW_PPC64_R20: |
| return _registers.__r20; |
| case UNW_PPC64_R21: |
| return _registers.__r21; |
| case UNW_PPC64_R22: |
| return _registers.__r22; |
| case UNW_PPC64_R23: |
| return _registers.__r23; |
| case UNW_PPC64_R24: |
| return _registers.__r24; |
| case UNW_PPC64_R25: |
| return _registers.__r25; |
| case UNW_PPC64_R26: |
| return _registers.__r26; |
| case UNW_PPC64_R27: |
| return _registers.__r27; |
| case UNW_PPC64_R28: |
| return _registers.__r28; |
| case UNW_PPC64_R29: |
| return _registers.__r29; |
| case UNW_PPC64_R30: |
| return _registers.__r30; |
| case UNW_PPC64_R31: |
| return _registers.__r31; |
| case UNW_PPC64_CR0: |
| return (_registers.__cr & 0xF0000000); |
| case UNW_PPC64_CR1: |
| return (_registers.__cr & 0x0F000000); |
| case UNW_PPC64_CR2: |
| return (_registers.__cr & 0x00F00000); |
| case UNW_PPC64_CR3: |
| return (_registers.__cr & 0x000F0000); |
| case UNW_PPC64_CR4: |
| return (_registers.__cr & 0x0000F000); |
| case UNW_PPC64_CR5: |
| return (_registers.__cr & 0x00000F00); |
| case UNW_PPC64_CR6: |
| return (_registers.__cr & 0x000000F0); |
| case UNW_PPC64_CR7: |
| return (_registers.__cr & 0x0000000F); |
| case UNW_PPC64_XER: |
| return _registers.__xer; |
| case UNW_PPC64_LR: |
| return _registers.__lr; |
| case UNW_PPC64_CTR: |
| return _registers.__ctr; |
| case UNW_PPC64_VRSAVE: |
| return _registers.__vrsave; |
| } |
| _LIBUNWIND_ABORT("unsupported ppc64 register"); |
| } |
| |
| inline void Registers_ppc64::setRegister(int regNum, uint64_t value) { |
| switch (regNum) { |
| case UNW_REG_IP: |
| _registers.__srr0 = value; |
| return; |
| case UNW_PPC64_R0: |
| _registers.__r0 = value; |
| return; |
| case UNW_PPC64_R1: |
| case UNW_REG_SP: |
| _registers.__r1 = value; |
| return; |
| case UNW_PPC64_R2: |
| _registers.__r2 = value; |
| return; |
| case UNW_PPC64_R3: |
| _registers.__r3 = value; |
| return; |
| case UNW_PPC64_R4: |
| _registers.__r4 = value; |
| return; |
| case UNW_PPC64_R5: |
| _registers.__r5 = value; |
| return; |
| case UNW_PPC64_R6: |
| _registers.__r6 = value; |
| return; |
| case UNW_PPC64_R7: |
| _registers.__r7 = value; |
| return; |
| case UNW_PPC64_R8: |
| _registers.__r8 = value; |
| return; |
| case UNW_PPC64_R9: |
| _registers.__r9 = value; |
| return; |
| case UNW_PPC64_R10: |
| _registers.__r10 = value; |
| return; |
| case UNW_PPC64_R11: |
| _registers.__r11 = value; |
| return; |
| case UNW_PPC64_R12: |
| _registers.__r12 = value; |
| return; |
| case UNW_PPC64_R13: |
| _registers.__r13 = value; |
| return; |
| case UNW_PPC64_R14: |
| _registers.__r14 = value; |
| return; |
| case UNW_PPC64_R15: |
| _registers.__r15 = value; |
| return; |
| case UNW_PPC64_R16: |
| _registers.__r16 = value; |
| return; |
| case UNW_PPC64_R17: |
| _registers.__r17 = value; |
| return; |
| case UNW_PPC64_R18: |
| _registers.__r18 = value; |
| return; |
| case UNW_PPC64_R19: |
| _registers.__r19 = value; |
| return; |
| case UNW_PPC64_R20: |
| _registers.__r20 = value; |
| return; |
| case UNW_PPC64_R21: |
| _registers.__r21 = value; |
| return; |
| case UNW_PPC64_R22: |
| _registers.__r22 = value; |
| return; |
| case UNW_PPC64_R23: |
| _registers.__r23 = value; |
| return; |
| case UNW_PPC64_R24: |
| _registers.__r24 = value; |
| return; |
| case UNW_PPC64_R25: |
| _registers.__r25 = value; |
| return; |
| case UNW_PPC64_R26: |
| _registers.__r26 = value; |
| return; |
| case UNW_PPC64_R27: |
| _registers.__r27 = value; |
| return; |
| case UNW_PPC64_R28: |
| _registers.__r28 = value; |
| return; |
| case UNW_PPC64_R29: |
| _registers.__r29 = value; |
| return; |
| case UNW_PPC64_R30: |
| _registers.__r30 = value; |
| return; |
| case UNW_PPC64_R31: |
| _registers.__r31 = value; |
| return; |
| case UNW_PPC64_CR0: |
| _registers.__cr &= 0x0FFFFFFF; |
| _registers.__cr |= (value & 0xF0000000); |
| return; |
| case UNW_PPC64_CR1: |
| _registers.__cr &= 0xF0FFFFFF; |
| _registers.__cr |= (value & 0x0F000000); |
| return; |
| case UNW_PPC64_CR2: |
| _registers.__cr &= 0xFF0FFFFF; |
| _registers.__cr |= (value & 0x00F00000); |
| return; |
| case UNW_PPC64_CR3: |
| _registers.__cr &= 0xFFF0FFFF; |
| _registers.__cr |= (value & 0x000F0000); |
| return; |
| case UNW_PPC64_CR4: |
| _registers.__cr &= 0xFFFF0FFF; |
| _registers.__cr |= (value & 0x0000F000); |
| return; |
| case UNW_PPC64_CR5: |
| _registers.__cr &= 0xFFFFF0FF; |
| _registers.__cr |= (value & 0x00000F00); |
| return; |
| case UNW_PPC64_CR6: |
| _registers.__cr &= 0xFFFFFF0F; |
| _registers.__cr |= (value & 0x000000F0); |
| return; |
| case UNW_PPC64_CR7: |
| _registers.__cr &= 0xFFFFFFF0; |
| _registers.__cr |= (value & 0x0000000F); |
| return; |
| case UNW_PPC64_XER: |
| _registers.__xer = value; |
| return; |
| case UNW_PPC64_LR: |
| _registers.__lr = value; |
| return; |
| case UNW_PPC64_CTR: |
| _registers.__ctr = value; |
| return; |
| case UNW_PPC64_VRSAVE: |
| _registers.__vrsave = value; |
| return; |
| } |
| _LIBUNWIND_ABORT("unsupported ppc64 register"); |
| } |
| |
| inline bool Registers_ppc64::validFloatRegister(int regNum) const { |
| return regNum >= UNW_PPC64_F0 && regNum <= UNW_PPC64_F31; |
| } |
| |
| inline double Registers_ppc64::getFloatRegister(int regNum) const { |
| assert(validFloatRegister(regNum)); |
| return _vectorScalarRegisters[regNum - UNW_PPC64_F0].asfloat.f; |
| } |
| |
| inline void Registers_ppc64::setFloatRegister(int regNum, double value) { |
| assert(validFloatRegister(regNum)); |
| _vectorScalarRegisters[regNum - UNW_PPC64_F0].asfloat.f = value; |
| } |
| |
| inline bool Registers_ppc64::validVectorRegister(int regNum) const { |
| #ifdef PPC64_HAS_VMX |
| if (regNum >= UNW_PPC64_VS0 && regNum <= UNW_PPC64_VS31) |
| return true; |
| if (regNum >= UNW_PPC64_VS32 && regNum <= UNW_PPC64_VS63) |
| return true; |
| #else |
| if (regNum >= UNW_PPC64_V0 && regNum <= UNW_PPC64_V31) |
| return true; |
| #endif |
| return false; |
| } |
| |
| inline int Registers_ppc64::getVectorRegNum(int num) |
| { |
| if (num >= UNW_PPC64_VS0 && num <= UNW_PPC64_VS31) |
| return num - UNW_PPC64_VS0; |
| else |
| return num - UNW_PPC64_VS32 + 32; |
| } |
| |
| inline v128 Registers_ppc64::getVectorRegister(int regNum) const { |
| assert(validVectorRegister(regNum)); |
| return _vectorScalarRegisters[getVectorRegNum(regNum)].v; |
| } |
| |
| inline void Registers_ppc64::setVectorRegister(int regNum, v128 value) { |
| assert(validVectorRegister(regNum)); |
| _vectorScalarRegisters[getVectorRegNum(regNum)].v = value; |
| } |
| |
| inline const char *Registers_ppc64::getRegisterName(int regNum) { |
| switch (regNum) { |
| case UNW_REG_IP: |
| return "ip"; |
| case UNW_REG_SP: |
| return "sp"; |
| case UNW_PPC64_R0: |
| return "r0"; |
| case UNW_PPC64_R1: |
| return "r1"; |
| case UNW_PPC64_R2: |
| return "r2"; |
| case UNW_PPC64_R3: |
| return "r3"; |
| case UNW_PPC64_R4: |
| return "r4"; |
| case UNW_PPC64_R5: |
| return "r5"; |
| case UNW_PPC64_R6: |
| return "r6"; |
| case UNW_PPC64_R7: |
| return "r7"; |
| case UNW_PPC64_R8: |
| return "r8"; |
| case UNW_PPC64_R9: |
| return "r9"; |
| case UNW_PPC64_R10: |
| return "r10"; |
| case UNW_PPC64_R11: |
| return "r11"; |
| case UNW_PPC64_R12: |
| return "r12"; |
| case UNW_PPC64_R13: |
| return "r13"; |
| case UNW_PPC64_R14: |
| return "r14"; |
| case UNW_PPC64_R15: |
| return "r15"; |
| case UNW_PPC64_R16: |
| return "r16"; |
| case UNW_PPC64_R17: |
| return "r17"; |
| case UNW_PPC64_R18: |
| return "r18"; |
| case UNW_PPC64_R19: |
| return "r19"; |
| case UNW_PPC64_R20: |
| return "r20"; |
| case UNW_PPC64_R21: |
| return "r21"; |
| case UNW_PPC64_R22: |
| return "r22"; |
| case UNW_PPC64_R23: |
| return "r23"; |
| case UNW_PPC64_R24: |
| return "r24"; |
| case UNW_PPC64_R25: |
| return "r25"; |
| case UNW_PPC64_R26: |
| return "r26"; |
| case UNW_PPC64_R27: |
| return "r27"; |
| case UNW_PPC64_R28: |
| return "r28"; |
| case UNW_PPC64_R29: |
| return "r29"; |
| case UNW_PPC64_R30: |
| return "r30"; |
| case UNW_PPC64_R31: |
| return "r31"; |
| case UNW_PPC64_CR0: |
| return "cr0"; |
| case UNW_PPC64_CR1: |
| return "cr1"; |
| case UNW_PPC64_CR2: |
| return "cr2"; |
| case UNW_PPC64_CR3: |
| return "cr3"; |
| case UNW_PPC64_CR4: |
| return "cr4"; |
| case UNW_PPC64_CR5: |
| return "cr5"; |
| case UNW_PPC64_CR6: |
| return "cr6"; |
| case UNW_PPC64_CR7: |
| return "cr7"; |
| case UNW_PPC64_XER: |
| return "xer"; |
| case UNW_PPC64_LR: |
| return "lr"; |
| case UNW_PPC64_CTR: |
| return "ctr"; |
| case UNW_PPC64_VRSAVE: |
| return "vrsave"; |
| case UNW_PPC64_F0: |
| return "fp0"; |
| case UNW_PPC64_F1: |
| return "fp1"; |
| case UNW_PPC64_F2: |
| return "fp2"; |
| case UNW_PPC64_F3: |
| return "fp3"; |
| case UNW_PPC64_F4: |
| return "fp4"; |
| case UNW_PPC64_F5: |
| return "fp5"; |
| case UNW_PPC64_F6: |
| return "fp6"; |
| case UNW_PPC64_F7: |
| return "fp7"; |
| case UNW_PPC64_F8: |
| return "fp8"; |
| case UNW_PPC64_F9: |
| return "fp9"; |
| case UNW_PPC64_F10: |
| return "fp10"; |
| case UNW_PPC64_F11: |
| return "fp11"; |
| case UNW_PPC64_F12: |
| return "fp12"; |
| case UNW_PPC64_F13: |
| return "fp13"; |
| case UNW_PPC64_F14: |
| return "fp14"; |
| case UNW_PPC64_F15: |
| return "fp15"; |
| case UNW_PPC64_F16: |
| return "fp16"; |
| case UNW_PPC64_F17: |
| return "fp17"; |
| case UNW_PPC64_F18: |
| return "fp18"; |
| case UNW_PPC64_F19: |
| return "fp19"; |
| case UNW_PPC64_F20: |
| return "fp20"; |
| case UNW_PPC64_F21: |
| return "fp21"; |
| case UNW_PPC64_F22: |
| return "fp22"; |
| case UNW_PPC64_F23: |
| return "fp23"; |
| case UNW_PPC64_F24: |
| return "fp24"; |
| case UNW_PPC64_F25: |
| return "fp25"; |
| case UNW_PPC64_F26: |
| return "fp26"; |
| case UNW_PPC64_F27: |
| return "fp27"; |
| case UNW_PPC64_F28: |
| return "fp28"; |
| case UNW_PPC64_F29: |
| return "fp29"; |
| case UNW_PPC64_F30: |
| return "fp30"; |
| case UNW_PPC64_F31: |
| return "fp31"; |
| case UNW_PPC64_V0: |
| return "v0"; |
| case UNW_PPC64_V1: |
| return "v1"; |
| case UNW_PPC64_V2: |
| return "v2"; |
| case UNW_PPC64_V3: |
| return "v3"; |
| case UNW_PPC64_V4: |
| return "v4"; |
| case UNW_PPC64_V5: |
| return "v5"; |
| case UNW_PPC64_V6: |
| return "v6"; |
| case UNW_PPC64_V7: |
| return "v7"; |
| case UNW_PPC64_V8: |
| return "v8"; |
| case UNW_PPC64_V9: |
| return "v9"; |
| case UNW_PPC64_V10: |
| return "v10"; |
| case UNW_PPC64_V11: |
| return "v11"; |
| case UNW_PPC64_V12: |
| return "v12"; |
| case UNW_PPC64_V13: |
| return "v13"; |
| case UNW_PPC64_V14: |
| return "v14"; |
| case UNW_PPC64_V15: |
| return "v15"; |
| case UNW_PPC64_V16: |
| return "v16"; |
| case UNW_PPC64_V17: |
| return "v17"; |
| case UNW_PPC64_V18: |
| return "v18"; |
| case UNW_PPC64_V19: |
| return "v19"; |
| case UNW_PPC64_V20: |
| return "v20"; |
| case UNW_PPC64_V21: |
| return "v21"; |
| case UNW_PPC64_V22: |
| return "v22"; |
| case UNW_PPC64_V23: |
| return "v23"; |
| case UNW_PPC64_V24: |
| return "v24"; |
| case UNW_PPC64_V25: |
| return "v25"; |
| case UNW_PPC64_V26: |
| return "v26"; |
| case UNW_PPC64_V27: |
| return "v27"; |
| case UNW_PPC64_V28: |
| return "v28"; |
| case UNW_PPC64_V29: |
| return "v29"; |
| case UNW_PPC64_V30: |
| return "v30"; |
| case UNW_PPC64_V31: |
| return "v31"; |
| } |
| return "unknown register"; |
| } |
| #endif // _LIBUNWIND_TARGET_PPC64 |
| |
| |
| #if defined(_LIBUNWIND_TARGET_AARCH64) |
| /// Registers_arm64 holds the register state of a thread in a 64-bit arm |
| /// process. |
| class _LIBUNWIND_HIDDEN Registers_arm64 { |
| public: |
| Registers_arm64(); |
| Registers_arm64(const void *registers); |
| |
| bool validRegister(int num) const; |
| uint64_t getRegister(int num) const; |
| void setRegister(int num, uint64_t value); |
| bool validFloatRegister(int num) const; |
| double getFloatRegister(int num) const; |
| void setFloatRegister(int num, double value); |
| bool validVectorRegister(int num) const; |
| v128 getVectorRegister(int num) const; |
| void setVectorRegister(int num, v128 value); |
| const char *getRegisterName(int num); |
| void jumpto(); |
| static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_ARM64; } |
| |
| uint64_t getSP() const { return _registers.__sp; } |
| void setSP(uint64_t value) { _registers.__sp = value; } |
| uint64_t getIP() const { return _registers.__pc; } |
| void setIP(uint64_t value) { _registers.__pc = value; } |
| uint64_t getFP() const { return _registers.__fp; } |
| void setFP(uint64_t value) { _registers.__fp = value; } |
| |
| private: |
| struct GPRs { |
| uint64_t __x[29]; // x0-x28 |
| uint64_t __fp; // Frame pointer x29 |
| uint64_t __lr; // Link register x30 |
| uint64_t __sp; // Stack pointer x31 |
| uint64_t __pc; // Program counter |
| uint64_t padding; // 16-byte align |
| }; |
| |
| GPRs _registers; |
| double _vectorHalfRegisters[32]; |
| // Currently only the lower double in 128-bit vectore registers |
| // is perserved during unwinding. We could define new register |
| // numbers (> 96) which mean whole vector registers, then this |
| // struct would need to change to contain whole vector registers. |
| }; |
| |
| inline Registers_arm64::Registers_arm64(const void *registers) { |
| static_assert((check_fit<Registers_arm64, unw_context_t>::does_fit), |
| "arm64 registers do not fit into unw_context_t"); |
| memcpy(&_registers, registers, sizeof(_registers)); |
| static_assert(sizeof(GPRs) == 0x110, |
| "expected VFP registers to be at offset 272"); |
| memcpy(_vectorHalfRegisters, |
| static_cast<const uint8_t *>(registers) + sizeof(GPRs), |
| sizeof(_vectorHalfRegisters)); |
| } |
| |
| inline Registers_arm64::Registers_arm64() { |
| memset(&_registers, 0, sizeof(_registers)); |
| memset(&_vectorHalfRegisters, 0, sizeof(_vectorHalfRegisters)); |
| } |
| |
| inline bool Registers_arm64::validRegister(int regNum) const { |
| if (regNum == UNW_REG_IP) |
| return true; |
| if (regNum == UNW_REG_SP) |
| return true; |
| if (regNum < 0) |
| return false; |
| if (regNum > 95) |
| return false; |
| if ((regNum > 31) && (regNum < 64)) |
| return false; |
| return true; |
| } |
| |
| inline uint64_t Registers_arm64::getRegister(int regNum) const { |
| if (regNum == UNW_REG_IP) |
| return _registers.__pc; |
| if (regNum == UNW_REG_SP) |
| return _registers.__sp; |
| if ((regNum >= 0) && (regNum < 32)) |
| return _registers.__x[regNum]; |
| _LIBUNWIND_ABORT("unsupported arm64 register"); |
| } |
| |
| inline void Registers_arm64::setRegister(int regNum, uint64_t value) { |
| if (regNum == UNW_REG_IP) |
| _registers.__pc = value; |
| else if (regNum == UNW_REG_SP) |
| _registers.__sp = value; |
| else if ((regNum >= 0) && (regNum < 32)) |
| _registers.__x[regNum] = value; |
| else |
| _LIBUNWIND_ABORT("unsupported arm64 register"); |
| } |
| |
| inline const char *Registers_arm64::getRegisterName(int regNum) { |
| switch (regNum) { |
| case UNW_REG_IP: |
| return "pc"; |
| case UNW_REG_SP: |
| return "sp"; |
| case UNW_ARM64_X0: |
| return "x0"; |
| case UNW_ARM64_X1: |
| return "x1"; |
| case UNW_ARM64_X2: |
| return "x2"; |
| case UNW_ARM64_X3: |
| return "x3"; |
| case UNW_ARM64_X4: |
| return "x4"; |
| case UNW_ARM64_X5: |
| return "x5"; |
| case UNW_ARM64_X6: |
| return "x6"; |
| case UNW_ARM64_X7: |
| return "x7"; |
| case UNW_ARM64_X8: |
| return "x8"; |
| case UNW_ARM64_X9: |
| return "x9"; |
| case UNW_ARM64_X10: |
| return "x10"; |
| case UNW_ARM64_X11: |
| return "x11"; |
| case UNW_ARM64_X12: |
| return "x12"; |
| case UNW_ARM64_X13: |
| return "x13"; |
| case UNW_ARM64_X14: |
| return "x14"; |
| case UNW_ARM64_X15: |
| return "x15"; |
| case UNW_ARM64_X16: |
| return "x16"; |
| case UNW_ARM64_X17: |
| return "x17"; |
| case UNW_ARM64_X18: |
| return "x18"; |
| case UNW_ARM64_X19: |
| return "x19"; |
| case UNW_ARM64_X20: |
| return "x20"; |
| case UNW_ARM64_X21: |
| return "x21"; |
| case UNW_ARM64_X22: |
| return "x22"; |
| case UNW_ARM64_X23: |
| return "x23"; |
| case UNW_ARM64_X24: |
| return "x24"; |
| case UNW_ARM64_X25: |
| return "x25"; |
| case UNW_ARM64_X26: |
| return "x26"; |
| case UNW_ARM64_X27: |
| return "x27"; |
| case UNW_ARM64_X28: |
| return "x28"; |
| case UNW_ARM64_X29: |
| return "fp"; |
| case UNW_ARM64_X30: |
| return "lr"; |
| case UNW_ARM64_X31: |
| return "sp"; |
| case UNW_ARM64_D0: |
| return "d0"; |
| case UNW_ARM64_D1: |
| return "d1"; |
| case UNW_ARM64_D2: |
| return "d2"; |
| case UNW_ARM64_D3: |
| return "d3"; |
| case UNW_ARM64_D4: |
| return "d4"; |
| case UNW_ARM64_D5: |
| return "d5"; |
| case UNW_ARM64_D6: |
| return "d6"; |
| case UNW_ARM64_D7: |
| return "d7"; |
| case UNW_ARM64_D8: |
| return "d8"; |
| case UNW_ARM64_D9: |
| return "d9"; |
| case UNW_ARM64_D10: |
| return "d10"; |
| case UNW_ARM64_D11: |
| return "d11"; |
| case UNW_ARM64_D12: |
| return "d12"; |
| case UNW_ARM64_D13: |
| return "d13"; |
| case UNW_ARM64_D14: |
| return "d14"; |
| case UNW_ARM64_D15: |
| return "d15"; |
| case UNW_ARM64_D16: |
| return "d16"; |
| case UNW_ARM64_D17: |
| return "d17"; |
| case UNW_ARM64_D18: |
| return "d18"; |
| case UNW_ARM64_D19: |
| return "d19"; |
| case UNW_ARM64_D20: |
| return "d20"; |
| case UNW_ARM64_D21: |
| return "d21"; |
| case UNW_ARM64_D22: |
| return "d22"; |
| case UNW_ARM64_D23: |
| return "d23"; |
| case UNW_ARM64_D24: |
| return "d24"; |
| case UNW_ARM64_D25: |
| return "d25"; |
| case UNW_ARM64_D26: |
| return "d26"; |
| case UNW_ARM64_D27: |
| return "d27"; |
| case UNW_ARM64_D28: |
| return "d28"; |
| case UNW_ARM64_D29: |
| return "d29"; |
| case UNW_ARM64_D30: |
| return "d30"; |
| case UNW_ARM64_D31: |
| return "d31"; |
| default: |
| return "unknown register"; |
| } |
| } |
| |
| inline bool Registers_arm64::validFloatRegister(int regNum) const { |
| if (regNum < UNW_ARM64_D0) |
| return false; |
| if (regNum > UNW_ARM64_D31) |
| return false; |
| return true; |
| } |
| |
| inline double Registers_arm64::getFloatRegister(int regNum) const { |
| assert(validFloatRegister(regNum)); |
| return _vectorHalfRegisters[regNum - UNW_ARM64_D0]; |
| } |
| |
| inline void Registers_arm64::setFloatRegister(int regNum, double value) { |
| assert(validFloatRegister(regNum)); |
| _vectorHalfRegisters[regNum - UNW_ARM64_D0] = value; |
| } |
| |
| inline bool Registers_arm64::validVectorRegister(int) const { |
| return false; |
| } |
| |
| inline v128 Registers_arm64::getVectorRegister(int) const { |
| _LIBUNWIND_ABORT("no arm64 vector register support yet"); |
| } |
| |
| inline void Registers_arm64::setVectorRegister(int, v128) { |
| _LIBUNWIND_ABORT("no arm64 vector register support yet"); |
| } |
| #endif // _LIBUNWIND_TARGET_AARCH64 |
| |
| #if defined(_LIBUNWIND_TARGET_ARM) |
| /// Registers_arm holds the register state of a thread in a 32-bit arm |
| /// process. |
| /// |
| /// NOTE: Assumes VFPv3. On ARM processors without a floating point unit, |
| /// this uses more memory than required. |
| class _LIBUNWIND_HIDDEN Registers_arm { |
| public: |
| Registers_arm(); |
| Registers_arm(const void *registers); |
| |
| bool validRegister(int num) const; |
| uint32_t getRegister(int num) const; |
| void setRegister(int num, uint32_t value); |
| bool validFloatRegister(int num) const; |
| unw_fpreg_t getFloatRegister(int num); |
| void setFloatRegister(int num, unw_fpreg_t value); |
| bool validVectorRegister(int num) const; |
| v128 getVectorRegister(int num) const; |
| void setVectorRegister(int num, v128 value); |
| const char *getRegisterName(int num); |
| void jumpto() { |
| restoreSavedFloatRegisters(); |
| restoreCoreAndJumpTo(); |
| } |
| static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_ARM; } |
| |
| uint32_t getSP() const { return _registers.__sp; } |
| void setSP(uint32_t value) { _registers.__sp = value; } |
| uint32_t getIP() const { return _registers.__pc; } |
| void setIP(uint32_t value) { _registers.__pc = value; } |
| |
| void saveVFPAsX() { |
| assert(_use_X_for_vfp_save || !_saved_vfp_d0_d15); |
| _use_X_for_vfp_save = true; |
| } |
| |
| void restoreSavedFloatRegisters() { |
| if (_saved_vfp_d0_d15) { |
| if (_use_X_for_vfp_save) |
| restoreVFPWithFLDMX(_vfp_d0_d15_pad); |
| else |
| restoreVFPWithFLDMD(_vfp_d0_d15_pad); |
| } |
| if (_saved_vfp_d16_d31) |
| restoreVFPv3(_vfp_d16_d31); |
| #if defined(__ARM_WMMX) |
| if (_saved_iwmmx) |
| restoreiWMMX(_iwmmx); |
| if (_saved_iwmmx_control) |
| restoreiWMMXControl(_iwmmx_control); |
| #endif |
| } |
| |
| private: |
| struct GPRs { |
| uint32_t __r[13]; // r0-r12 |
| uint32_t __sp; // Stack pointer r13 |
| uint32_t __lr; // Link register r14 |
| uint32_t __pc; // Program counter r15 |
| }; |
| |
| static void saveVFPWithFSTMD(unw_fpreg_t*); |
| static void saveVFPWithFSTMX(unw_fpreg_t*); |
| static void saveVFPv3(unw_fpreg_t*); |
| static void restoreVFPWithFLDMD(unw_fpreg_t*); |
| static void restoreVFPWithFLDMX(unw_fpreg_t*); |
| static void restoreVFPv3(unw_fpreg_t*); |
| #if defined(__ARM_WMMX) |
| static void saveiWMMX(unw_fpreg_t*); |
| static void saveiWMMXControl(uint32_t*); |
| static void restoreiWMMX(unw_fpreg_t*); |
| static void restoreiWMMXControl(uint32_t*); |
| #endif |
| void restoreCoreAndJumpTo(); |
| |
| // ARM registers |
| GPRs _registers; |
| |
| // We save floating point registers lazily because we can't know ahead of |
| // time which ones are used. See EHABI #4.7. |
| |
| // Whether D0-D15 are saved in the FTSMX instead of FSTMD format. |
| // |
| // See EHABI #7.5 that explains how matching instruction sequences for load |
| // and store need to be used to correctly restore the exact register bits. |
| bool _use_X_for_vfp_save; |
| // Whether VFP D0-D15 are saved. |
| bool _saved_vfp_d0_d15; |
| // Whether VFPv3 D16-D31 are saved. |
| bool _saved_vfp_d16_d31; |
| // VFP registers D0-D15, + padding if saved using FSTMX |
| unw_fpreg_t _vfp_d0_d15_pad[17]; |
| // VFPv3 registers D16-D31, always saved using FSTMD |
| unw_fpreg_t _vfp_d16_d31[16]; |
| #if defined(__ARM_WMMX) |
| // Whether iWMMX data registers are saved. |
| bool _saved_iwmmx; |
| // Whether iWMMX control registers are saved. |
| mutable bool _saved_iwmmx_control; |
| // iWMMX registers |
| unw_fpreg_t _iwmmx[16]; |
| // iWMMX control registers |
| mutable uint32_t _iwmmx_control[4]; |
| #endif |
| }; |
| |
| inline Registers_arm::Registers_arm(const void *registers) |
| : _use_X_for_vfp_save(false), |
| _saved_vfp_d0_d15(false), |
| _saved_vfp_d16_d31(false) { |
| static_assert((check_fit<Registers_arm, unw_context_t>::does_fit), |
| "arm registers do not fit into unw_context_t"); |
| // See unw_getcontext() note about data. |
| memcpy(&_registers, registers, sizeof(_registers)); |
| memset(&_vfp_d0_d15_pad, 0, sizeof(_vfp_d0_d15_pad)); |
| memset(&_vfp_d16_d31, 0, sizeof(_vfp_d16_d31)); |
| #if defined(__ARM_WMMX) |
| _saved_iwmmx = false; |
| _saved_iwmmx_control = false; |
| memset(&_iwmmx, 0, sizeof(_iwmmx)); |
| memset(&_iwmmx_control, 0, sizeof(_iwmmx_control)); |
| #endif |
| } |
| |
| inline Registers_arm::Registers_arm() |
| : _use_X_for_vfp_save(false), |
| _saved_vfp_d0_d15(false), |
| _saved_vfp_d16_d31(false) { |
| memset(&_registers, 0, sizeof(_registers)); |
| memset(&_vfp_d0_d15_pad, 0, sizeof(_vfp_d0_d15_pad)); |
| memset(&_vfp_d16_d31, 0, sizeof(_vfp_d16_d31)); |
| #if defined(__ARM_WMMX) |
| _saved_iwmmx = false; |
| _saved_iwmmx_control = false; |
| memset(&_iwmmx, 0, sizeof(_iwmmx)); |
| memset(&_iwmmx_control, 0, sizeof(_iwmmx_control)); |
| #endif |
| } |
| |
| inline bool Registers_arm::validRegister(int regNum) const { |
| // Returns true for all non-VFP registers supported by the EHABI |
| // virtual register set (VRS). |
| if (regNum == UNW_REG_IP) |
| return true; |
| |
| if (regNum == UNW_REG_SP) |
| return true; |
| |
| if (regNum >= UNW_ARM_R0 && regNum <= UNW_ARM_R15) |
| return true; |
| |
| #if defined(__ARM_WMMX) |
| if (regNum >= UNW_ARM_WC0 && regNum <= UNW_ARM_WC3) |
| return true; |
| #endif |
| |
| return false; |
| } |
| |
| inline uint32_t Registers_arm::getRegister(int regNum) const { |
| if (regNum == UNW_REG_SP || regNum == UNW_ARM_SP) |
| return _registers.__sp; |
| |
| if (regNum == UNW_ARM_LR) |
| return _registers.__lr; |
| |
| if (regNum == UNW_REG_IP || regNum == UNW_ARM_IP) |
| return _registers.__pc; |
| |
| if (regNum >= UNW_ARM_R0 && regNum <= UNW_ARM_R12) |
| return _registers.__r[regNum]; |
| |
| #if defined(__ARM_WMMX) |
| if (regNum >= UNW_ARM_WC0 && regNum <= UNW_ARM_WC3) { |
| if (!_saved_iwmmx_control) { |
| _saved_iwmmx_control = true; |
| saveiWMMXControl(_iwmmx_control); |
| } |
| return _iwmmx_control[regNum - UNW_ARM_WC0]; |
| } |
| #endif |
| |
| _LIBUNWIND_ABORT("unsupported arm register"); |
| } |
| |
| inline void Registers_arm::setRegister(int regNum, uint32_t value) { |
| if (regNum == UNW_REG_SP || regNum == UNW_ARM_SP) { |
| _registers.__sp = value; |
| return; |
| } |
| |
| if (regNum == UNW_ARM_LR) { |
| _registers.__lr = value; |
| return; |
| } |
| |
| if (regNum == UNW_REG_IP || regNum == UNW_ARM_IP) { |
| _registers.__pc = value; |
| return; |
| } |
| |
| if (regNum >= UNW_ARM_R0 && regNum <= UNW_ARM_R12) { |
| _registers.__r[regNum] = value; |
| return; |
| } |
| |
| #if defined(__ARM_WMMX) |
| if (regNum >= UNW_ARM_WC0 && regNum <= UNW_ARM_WC3) { |
| if (!_saved_iwmmx_control) { |
| _saved_iwmmx_control = true; |
| saveiWMMXControl(_iwmmx_control); |
| } |
| _iwmmx_control[regNum - UNW_ARM_WC0] = value; |
| return; |
| } |
| #endif |
| |
| _LIBUNWIND_ABORT("unsupported arm register"); |
| } |
| |
| inline const char *Registers_arm::getRegisterName(int regNum) { |
| switch (regNum) { |
| case UNW_REG_IP: |
| case UNW_ARM_IP: // UNW_ARM_R15 is alias |
| return "pc"; |
| case UNW_ARM_LR: // UNW_ARM_R14 is alias |
| return "lr"; |
| case UNW_REG_SP: |
| case UNW_ARM_SP: // UNW_ARM_R13 is alias |
| return "sp"; |
| case UNW_ARM_R0: |
| return "r0"; |
| case UNW_ARM_R1: |
| return "r1"; |
| case UNW_ARM_R2: |
| return "r2"; |
| case UNW_ARM_R3: |
| return "r3"; |
| case UNW_ARM_R4: |
| return "r4"; |
| case UNW_ARM_R5: |
| return "r5"; |
| case UNW_ARM_R6: |
| return "r6"; |
| case UNW_ARM_R7: |
| return "r7"; |
| case UNW_ARM_R8: |
| return "r8"; |
| case UNW_ARM_R9: |
| return "r9"; |
| case UNW_ARM_R10: |
| return "r10"; |
| case UNW_ARM_R11: |
| return "r11"; |
| case UNW_ARM_R12: |
| return "r12"; |
| case UNW_ARM_S0: |
| return "s0"; |
| case UNW_ARM_S1: |
| return "s1"; |
| case UNW_ARM_S2: |
| return "s2"; |
| case UNW_ARM_S3: |
| return "s3"; |
| case UNW_ARM_S4: |
| return "s4"; |
| case UNW_ARM_S5: |
| return "s5"; |
| case UNW_ARM_S6: |
| return "s6"; |
| case UNW_ARM_S7: |
| return "s7"; |
| case UNW_ARM_S8: |
| return "s8"; |
| case UNW_ARM_S9: |
| return "s9"; |
| case UNW_ARM_S10: |
| return "s10"; |
| case UNW_ARM_S11: |
| return "s11"; |
| case UNW_ARM_S12: |
| return "s12"; |
| case UNW_ARM_S13: |
| return "s13"; |
| case UNW_ARM_S14: |
| return "s14"; |
| case UNW_ARM_S15: |
| return "s15"; |
| case UNW_ARM_S16: |
| return "s16"; |
| case UNW_ARM_S17: |
| return "s17"; |
| case UNW_ARM_S18: |
| return "s18"; |
| case UNW_ARM_S19: |
| return "s19"; |
| case UNW_ARM_S20: |
| return "s20"; |
| case UNW_ARM_S21: |
| return "s21"; |
| case UNW_ARM_S22: |
| return "s22"; |
| case UNW_ARM_S23: |
| return "s23"; |
| case UNW_ARM_S24: |
| return "s24"; |
| case UNW_ARM_S25: |
| return "s25"; |
| case UNW_ARM_S26: |
| return "s26"; |
| case UNW_ARM_S27: |
| return "s27"; |
| case UNW_ARM_S28: |
| return "s28"; |
| case UNW_ARM_S29: |
| return "s29"; |
| case UNW_ARM_S30: |
| return "s30"; |
| case UNW_ARM_S31: |
| return "s31"; |
| case UNW_ARM_D0: |
| return "d0"; |
| case UNW_ARM_D1: |
| return "d1"; |
| case UNW_ARM_D2: |
| return "d2"; |
| case UNW_ARM_D3: |
| return "d3"; |
| case UNW_ARM_D4: |
| return "d4"; |
| case UNW_ARM_D5: |
| return "d5"; |
| case UNW_ARM_D6: |
| return "d6"; |
| case UNW_ARM_D7: |
| return "d7"; |
| case UNW_ARM_D8: |
| return "d8"; |
| case UNW_ARM_D9: |
| return "d9"; |
| case UNW_ARM_D10: |
| return "d10"; |
| case UNW_ARM_D11: |
| return "d11"; |
| case UNW_ARM_D12: |
| return "d12"; |
| case UNW_ARM_D13: |
| return "d13"; |
| case UNW_ARM_D14: |
| return "d14"; |
| case UNW_ARM_D15: |
| return "d15"; |
| case UNW_ARM_D16: |
| return "d16"; |
| case UNW_ARM_D17: |
| return "d17"; |
| case UNW_ARM_D18: |
| return "d18"; |
| case UNW_ARM_D19: |
| return "d19"; |
| case UNW_ARM_D20: |
| return "d20"; |
| case UNW_ARM_D21: |
| return "d21"; |
| case UNW_ARM_D22: |
| return "d22"; |
| case UNW_ARM_D23: |
| return "d23"; |
| case UNW_ARM_D24: |
| return "d24"; |
| case UNW_ARM_D25: |
| return "d25"; |
| case UNW_ARM_D26: |
| return "d26"; |
| case UNW_ARM_D27: |
| return "d27"; |
| case UNW_ARM_D28: |
| return "d28"; |
| case UNW_ARM_D29: |
| return "d29"; |
| case UNW_ARM_D30: |
| return "d30"; |
| case UNW_ARM_D31: |
| return "d31"; |
| default: |
| return "unknown register"; |
| } |
| } |
| |
| inline bool Registers_arm::validFloatRegister(int regNum) const { |
| // NOTE: Consider the intel MMX registers floating points so the |
| // unw_get_fpreg can be used to transmit the 64-bit data back. |
| return ((regNum >= UNW_ARM_D0) && (regNum <= UNW_ARM_D31)) |
| #if defined(__ARM_WMMX) |
| || ((regNum >= UNW_ARM_WR0) && (regNum <= UNW_ARM_WR15)) |
| #endif |
| ; |
| } |
| |
| inline unw_fpreg_t Registers_arm::getFloatRegister(int regNum) { |
| if (regNum >= UNW_ARM_D0 && regNum <= UNW_ARM_D15) { |
| if (!_saved_vfp_d0_d15) { |
| _saved_vfp_d0_d15 = true; |
| if (_use_X_for_vfp_save) |
| saveVFPWithFSTMX(_vfp_d0_d15_pad); |
| else |
| saveVFPWithFSTMD(_vfp_d0_d15_pad); |
| } |
| return _vfp_d0_d15_pad[regNum - UNW_ARM_D0]; |
| } |
| |
| if (regNum >= UNW_ARM_D16 && regNum <= UNW_ARM_D31) { |
| if (!_saved_vfp_d16_d31) { |
| _saved_vfp_d16_d31 = true; |
| saveVFPv3(_vfp_d16_d31); |
| } |
| return _vfp_d16_d31[regNum - UNW_ARM_D16]; |
| } |
| |
| #if defined(__ARM_WMMX) |
| if (regNum >= UNW_ARM_WR0 && regNum <= UNW_ARM_WR15) { |
| if (!_saved_iwmmx) { |
| _saved_iwmmx = true; |
| saveiWMMX(_iwmmx); |
| } |
| return _iwmmx[regNum - UNW_ARM_WR0]; |
| } |
| #endif |
| |
| _LIBUNWIND_ABORT("Unknown ARM float register"); |
| } |
| |
| inline void Registers_arm::setFloatRegister(int regNum, unw_fpreg_t value) { |
| if (regNum >= UNW_ARM_D0 && regNum <= UNW_ARM_D15) { |
| if (!_saved_vfp_d0_d15) { |
| _saved_vfp_d0_d15 = true; |
| if (_use_X_for_vfp_save) |
| saveVFPWithFSTMX(_vfp_d0_d15_pad); |
| else |
| saveVFPWithFSTMD(_vfp_d0_d15_pad); |
| } |
| _vfp_d0_d15_pad[regNum - UNW_ARM_D0] = value; |
| return; |
| } |
| |
| if (regNum >= UNW_ARM_D16 && regNum <= UNW_ARM_D31) { |
| if (!_saved_vfp_d16_d31) { |
| _saved_vfp_d16_d31 = true; |
| saveVFPv3(_vfp_d16_d31); |
| } |
| _vfp_d16_d31[regNum - UNW_ARM_D16] = value; |
| return; |
| } |
| |
| #if defined(__ARM_WMMX) |
| if (regNum >= UNW_ARM_WR0 && regNum <= UNW_ARM_WR15) { |
| if (!_saved_iwmmx) { |
| _saved_iwmmx = true; |
| saveiWMMX(_iwmmx); |
| } |
| _iwmmx[regNum - UNW_ARM_WR0] = value; |
| return; |
| } |
| #endif |
| |
| _LIBUNWIND_ABORT("Unknown ARM float register"); |
| } |
| |
| inline bool Registers_arm::validVectorRegister(int) const { |
| return false; |
| } |
| |
| inline v128 Registers_arm::getVectorRegister(int) const { |
| _LIBUNWIND_ABORT("ARM vector support not implemented"); |
| } |
| |
| inline void Registers_arm::setVectorRegister(int, v128) { |
| _LIBUNWIND_ABORT("ARM vector support not implemented"); |
| } |
| #endif // _LIBUNWIND_TARGET_ARM |
| |
| |
| #if defined(_LIBUNWIND_TARGET_OR1K) |
| /// Registers_or1k holds the register state of a thread in an OpenRISC1000 |
| /// process. |
| class _LIBUNWIND_HIDDEN Registers_or1k { |
| public: |
| Registers_or1k(); |
| Registers_or1k(const void *registers); |
| |
| bool validRegister(int num) const; |
| uint32_t getRegister(int num) const; |
| void setRegister(int num, uint32_t value); |
| bool validFloatRegister(int num) const; |
| double getFloatRegister(int num) const; |
| void setFloatRegister(int num, double value); |
| bool validVectorRegister(int num) const; |
| v128 getVectorRegister(int num) const; |
| void setVectorRegister(int num, v128 value); |
| const char *getRegisterName(int num); |
| void jumpto(); |
| static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_OR1K; } |
| |
| uint64_t getSP() const { return _registers.__r[1]; } |
| void setSP(uint32_t value) { _registers.__r[1] = value; } |
| uint64_t getIP() const { return _registers.__pc; } |
| void setIP(uint32_t value) { _registers.__pc = value; } |
| |
| private: |
| struct or1k_thread_state_t { |
| unsigned int __r[32]; // r0-r31 |
| unsigned int __pc; // Program counter |
| unsigned int __epcr; // Program counter at exception |
| }; |
| |
| or1k_thread_state_t _registers; |
| }; |
| |
| inline Registers_or1k::Registers_or1k(const void *registers) { |
| static_assert((check_fit<Registers_or1k, unw_context_t>::does_fit), |
| "or1k registers do not fit into unw_context_t"); |
| memcpy(&_registers, static_cast<const uint8_t *>(registers), |
| sizeof(_registers)); |
| } |
| |
| inline Registers_or1k::Registers_or1k() { |
| memset(&_registers, 0, sizeof(_registers)); |
| } |
| |
| inline bool Registers_or1k::validRegister(int regNum) const { |
| if (regNum == UNW_REG_IP) |
| return true; |
| if (regNum == UNW_REG_SP) |
| return true; |
| if (regNum < 0) |
| return false; |
| if (regNum <= UNW_OR1K_R31) |
| return true; |
| if (regNum == UNW_OR1K_EPCR) |
| return true; |
| return false; |
| } |
| |
| inline uint32_t Registers_or1k::getRegister(int regNum) const { |
| if (regNum >= UNW_OR1K_R0 && regNum <= UNW_OR1K_R31) |
| return _registers.__r[regNum - UNW_OR1K_R0]; |
| |
| switch (regNum) { |
| case UNW_REG_IP: |
| return _registers.__pc; |
| case UNW_REG_SP: |
| return _registers.__r[1]; |
| case UNW_OR1K_EPCR: |
| return _registers.__epcr; |
| } |
| _LIBUNWIND_ABORT("unsupported or1k register"); |
| } |
| |
| inline void Registers_or1k::setRegister(int regNum, uint32_t value) { |
| if (regNum >= UNW_OR1K_R0 && regNum <= UNW_OR1K_R31) { |
| _registers.__r[regNum - UNW_OR1K_R0] = value; |
| return; |
| } |
| |
| switch (regNum) { |
| case UNW_REG_IP: |
| _registers.__pc = value; |
| return; |
| case UNW_REG_SP: |
| _registers.__r[1] = value; |
| return; |
| case UNW_OR1K_EPCR: |
| _registers.__epcr = value; |
| return; |
| } |
| _LIBUNWIND_ABORT("unsupported or1k register"); |
| } |
| |
| inline bool Registers_or1k::validFloatRegister(int /* regNum */) const { |
| return false; |
| } |
| |
| inline double Registers_or1k::getFloatRegister(int /* regNum */) const { |
| _LIBUNWIND_ABORT("or1k float support not implemented"); |
| } |
| |
| inline void Registers_or1k::setFloatRegister(int /* regNum */, |
| double /* value */) { |
| _LIBUNWIND_ABORT("or1k float support not implemented"); |
| } |
| |
| inline bool Registers_or1k::validVectorRegister(int /* regNum */) const { |
| return false; |
| } |
| |
| inline v128 Registers_or1k::getVectorRegister(int /* regNum */) const { |
| _LIBUNWIND_ABORT("or1k vector support not implemented"); |
| } |
| |
| inline void Registers_or1k::setVectorRegister(int /* regNum */, v128 /* value */) { |
| _LIBUNWIND_ABORT("or1k vector support not implemented"); |
| } |
| |
| inline const char *Registers_or1k::getRegisterName(int regNum) { |
| switch (regNum) { |
| case UNW_OR1K_R0: |
| return "r0"; |
| case UNW_OR1K_R1: |
| return "r1"; |
| case UNW_OR1K_R2: |
| return "r2"; |
| case UNW_OR1K_R3: |
| return "r3"; |
| case UNW_OR1K_R4: |
| return "r4"; |
| case UNW_OR1K_R5: |
| return "r5"; |
| case UNW_OR1K_R6: |
| return "r6"; |
| case UNW_OR1K_R7: |
| return "r7"; |
| case UNW_OR1K_R8: |
| return "r8"; |
| case UNW_OR1K_R9: |
| return "r9"; |
| case UNW_OR1K_R10: |
| return "r10"; |
| case UNW_OR1K_R11: |
| return "r11"; |
| case UNW_OR1K_R12: |
| return "r12"; |
| case UNW_OR1K_R13: |
| return "r13"; |
| case UNW_OR1K_R14: |
| return "r14"; |
| case UNW_OR1K_R15: |
| return "r15"; |
| case UNW_OR1K_R16: |
| return "r16"; |
| case UNW_OR1K_R17: |
| return "r17"; |
| case UNW_OR1K_R18: |
| return "r18"; |
| case UNW_OR1K_R19: |
| return "r19"; |
| case UNW_OR1K_R20: |
| return "r20"; |
| case UNW_OR1K_R21: |
| return "r21"; |
| case UNW_OR1K_R22: |
| return "r22"; |
| case UNW_OR1K_R23: |
| return "r23"; |
| case UNW_OR1K_R24: |
| return "r24"; |
| case UNW_OR1K_R25: |
| return "r25"; |
| case UNW_OR1K_R26: |
| return "r26"; |
| case UNW_OR1K_R27: |
| return "r27"; |
| case UNW_OR1K_R28: |
| return "r28"; |
| case UNW_OR1K_R29: |
| return "r29"; |
| case UNW_OR1K_R30: |
| return "r30"; |
| case UNW_OR1K_R31: |
| return "r31"; |
| case UNW_OR1K_EPCR: |
| return "EPCR"; |
| default: |
| return "unknown register"; |
| } |
| |
| } |
| #endif // _LIBUNWIND_TARGET_OR1K |
| |
| #if defined(_LIBUNWIND_TARGET_MIPS_O32) |
| /// Registers_mips_o32 holds the register state of a thread in a 32-bit MIPS |
| /// process. |
| class _LIBUNWIND_HIDDEN Registers_mips_o32 { |
| public: |
| Registers_mips_o32(); |
| Registers_mips_o32(const void *registers); |
| |
| bool validRegister(int num) const; |
| uint32_t getRegister(int num) const; |
| void setRegister(int num, uint32_t value); |
| bool validFloatRegister(int num) const; |
| double getFloatRegister(int num) const; |
| void setFloatRegister(int num, double value); |
| bool validVectorRegister(int num) const; |
| v128 getVectorRegister(int num) const; |
| void setVectorRegister(int num, v128 value); |
| const char *getRegisterName(int num); |
| void jumpto(); |
| static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_MIPS; } |
| |
| uint32_t getSP() const { return _registers.__r[29]; } |
| void setSP(uint32_t value) { _registers.__r[29] = value; } |
| uint32_t getIP() const { return _registers.__pc; } |
| void setIP(uint32_t value) { _registers.__pc = value; } |
| |
| private: |
| struct mips_o32_thread_state_t { |
| uint32_t __r[32]; |
| uint32_t __pc; |
| uint32_t __hi; |
| uint32_t __lo; |
| }; |
| |
| mips_o32_thread_state_t _registers; |
| #ifdef __mips_hard_float |
| /// O32 with 32-bit floating point registers only uses half of this |
| /// space. However, using the same layout for 32-bit vs 64-bit |
| /// floating point registers results in a single context size for |
| /// O32 with hard float. |
| uint32_t _padding; |
| double _floats[32]; |
| #endif |
| }; |
| |
| inline Registers_mips_o32::Registers_mips_o32(const void *registers) { |
| static_assert((check_fit<Registers_mips_o32, unw_context_t>::does_fit), |
| "mips_o32 registers do not fit into unw_context_t"); |
| memcpy(&_registers, static_cast<const uint8_t *>(registers), |
| sizeof(_registers)); |
| } |
| |
| inline Registers_mips_o32::Registers_mips_o32() { |
| memset(&_registers, 0, sizeof(_registers)); |
| } |
| |
| inline bool Registers_mips_o32::validRegister(int regNum) const { |
| if (regNum == UNW_REG_IP) |
| return true; |
| if (regNum == UNW_REG_SP) |
| return true; |
| if (regNum < 0) |
| return false; |
| if (regNum <= UNW_MIPS_R31) |
| return true; |
| if (regNum == UNW_MIPS_HI) |
| return true; |
| if (regNum == UNW_MIPS_LO) |
| return true; |
| #if defined(__mips_hard_float) && __mips_fpr == 32 |
| if (regNum >= UNW_MIPS_F0 && regNum <= UNW_MIPS_F31) |
| return true; |
| #endif |
| // FIXME: DSP accumulator registers, MSA registers |
| return false; |
| } |
| |
| inline uint32_t Registers_mips_o32::getRegister(int regNum) const { |
| if (regNum >= UNW_MIPS_R0 && regNum <= UNW_MIPS_R31) |
| return _registers.__r[regNum - UNW_MIPS_R0]; |
| #if defined(__mips_hard_float) && __mips_fpr == 32 |
| if (regNum >= UNW_MIPS_F0 && regNum <= UNW_MIPS_F31) { |
| uint32_t *p; |
| |
| if (regNum % 2 == 0) |
| p = (uint32_t *)&_floats[regNum - UNW_MIPS_F0]; |
| else |
| p = (uint32_t *)&_floats[(regNum - 1) - UNW_MIPS_F0] + 1; |
| return *p; |
| } |
| #endif |
| |
| switch (regNum) { |
| case UNW_REG_IP: |
| return _registers.__pc; |
| case UNW_REG_SP: |
| return _registers.__r[29]; |
| case UNW_MIPS_HI: |
| return _registers.__hi; |
| case UNW_MIPS_LO: |
| return _registers.__lo; |
| } |
| _LIBUNWIND_ABORT("unsupported mips_o32 register"); |
| } |
| |
| inline void Registers_mips_o32::setRegister(int regNum, uint32_t value) { |
| if (regNum >= UNW_MIPS_R0 && regNum <= UNW_MIPS_R31) { |
| _registers.__r[regNum - UNW_MIPS_R0] = value; |
| return; |
| } |
| #if defined(__mips_hard_float) && __mips_fpr == 32 |
| if (regNum >= UNW_MIPS_F0 && regNum <= UNW_MIPS_F31) { |
| uint32_t *p; |
| |
| if (regNum % 2 == 0) |
| p = (uint32_t *)&_floats[regNum - UNW_MIPS_F0]; |
| else |
| p = (uint32_t *)&_floats[(regNum - 1) - UNW_MIPS_F0] + 1; |
| *p = value; |
| return; |
| } |
| #endif |
| |
| switch (regNum) { |
| case UNW_REG_IP: |
| _registers.__pc = value; |
| return; |
| case UNW_REG_SP: |
| _registers.__r[29] = value; |
| return; |
| case UNW_MIPS_HI: |
| _registers.__hi = value; |
| return; |
| case UNW_MIPS_LO: |
| _registers.__lo = value; |
| return; |
| } |
| _LIBUNWIND_ABORT("unsupported mips_o32 register"); |
| } |
| |
| inline bool Registers_mips_o32::validFloatRegister(int regNum) const { |
| #if defined(__mips_hard_float) && __mips_fpr == 64 |
| if (regNum >= UNW_MIPS_F0 && regNum <= UNW_MIPS_F31) |
| return true; |
| #endif |
| return false; |
| } |
| |
| inline double Registers_mips_o32::getFloatRegister(int regNum) const { |
| #if defined(__mips_hard_float) && __mips_fpr == 64 |
| assert(validFloatRegister(regNum)); |
| return _floats[regNum - UNW_MIPS_F0]; |
| #else |
| _LIBUNWIND_ABORT("mips_o32 float support not implemented"); |
| #endif |
| } |
| |
| inline void Registers_mips_o32::setFloatRegister(int regNum, |
| double value) { |
| #if defined(__mips_hard_float) && __mips_fpr == 64 |
| assert(validFloatRegister(regNum)); |
| _floats[regNum - UNW_MIPS_F0] = value; |
| #else |
| _LIBUNWIND_ABORT("mips_o32 float support not implemented"); |
| #endif |
| } |
| |
| inline bool Registers_mips_o32::validVectorRegister(int /* regNum */) const { |
| return false; |
| } |
| |
| inline v128 Registers_mips_o32::getVectorRegister(int /* regNum */) const { |
| _LIBUNWIND_ABORT("mips_o32 vector support not implemented"); |
| } |
| |
| inline void Registers_mips_o32::setVectorRegister(int /* regNum */, v128 /* value */) { |
| _LIBUNWIND_ABORT("mips_o32 vector support not implemented"); |
| } |
| |
| inline const char *Registers_mips_o32::getRegisterName(int regNum) { |
| switch (regNum) { |
| case UNW_MIPS_R0: |
| return "$0"; |
| case UNW_MIPS_R1: |
| return "$1"; |
| case UNW_MIPS_R2: |
| return "$2"; |
| case UNW_MIPS_R3: |
| return "$3"; |
| case UNW_MIPS_R4: |
| return "$4"; |
| case UNW_MIPS_R5: |
| return "$5"; |
| case UNW_MIPS_R6: |
| return "$6"; |
| case UNW_MIPS_R7: |
| return "$7"; |
| case UNW_MIPS_R8: |
| return "$8"; |
| case UNW_MIPS_R9: |
| return "$9"; |
| case UNW_MIPS_R10: |
| return "$10"; |
| case UNW_MIPS_R11: |
| return "$11"; |
| case UNW_MIPS_R12: |
| return "$12"; |
| case UNW_MIPS_R13: |
| return "$13"; |
| case UNW_MIPS_R14: |
| return "$14"; |
| case UNW_MIPS_R15: |
| return "$15"; |
| case UNW_MIPS_R16: |
| return "$16"; |
| case UNW_MIPS_R17: |
| return "$17"; |
| case UNW_MIPS_R18: |
| return "$18"; |
| case UNW_MIPS_R19: |
| return "$19"; |
| case UNW_MIPS_R20: |
| return "$20"; |
| case UNW_MIPS_R21: |
| return "$21"; |
| case UNW_MIPS_R22: |
| return "$22"; |
| case UNW_MIPS_R23: |
| return "$23"; |
| case UNW_MIPS_R24: |
| return "$24"; |
| case UNW_MIPS_R25: |
| return "$25"; |
| case UNW_MIPS_R26: |
| return "$26"; |
| case UNW_MIPS_R27: |
| return "$27"; |
| case UNW_MIPS_R28: |
| return "$28"; |
| case UNW_MIPS_R29: |
| return "$29"; |
| case UNW_MIPS_R30: |
| return "$30"; |
| case UNW_MIPS_R31: |
| return "$31"; |
| case UNW_MIPS_F0: |
| return "$f0"; |
| case UNW_MIPS_F1: |
| return "$f1"; |
| case UNW_MIPS_F2: |
| return "$f2"; |
| case UNW_MIPS_F3: |
| return "$f3"; |
| case UNW_MIPS_F4: |
| return "$f4"; |
| case UNW_MIPS_F5: |
| return "$f5"; |
| case UNW_MIPS_F6: |
| return "$f6"; |
| case UNW_MIPS_F7: |
| return "$f7"; |
| case UNW_MIPS_F8: |
| return "$f8"; |
| case UNW_MIPS_F9: |
| return "$f9"; |
| case UNW_MIPS_F10: |
| return "$f10"; |
| case UNW_MIPS_F11: |
| return "$f11"; |
| case UNW_MIPS_F12: |
| return "$f12"; |
| case UNW_MIPS_F13: |
| return "$f13"; |
| case UNW_MIPS_F14: |
| return "$f14"; |
| case UNW_MIPS_F15: |
| return "$f15"; |
| case UNW_MIPS_F16: |
| return "$f16"; |
| case UNW_MIPS_F17: |
| return "$f17"; |
| case UNW_MIPS_F18: |
| return "$f18"; |
| case UNW_MIPS_F19: |
| return "$f19"; |
| case UNW_MIPS_F20: |
| return "$f20"; |
| case UNW_MIPS_F21: |
| return "$f21"; |
| case UNW_MIPS_F22: |
| return "$f22"; |
| case UNW_MIPS_F23: |
| return "$f23"; |
| case UNW_MIPS_F24: |
| return "$f24"; |
| case UNW_MIPS_F25: |
| return "$f25"; |
| case UNW_MIPS_F26: |
| return "$f26"; |
| case UNW_MIPS_F27: |
| return "$f27"; |
| case UNW_MIPS_F28: |
| return "$f28"; |
| case UNW_MIPS_F29: |
| return "$f29"; |
| case UNW_MIPS_F30: |
| return "$f30"; |
| case UNW_MIPS_F31: |
| return "$f31"; |
| case UNW_MIPS_HI: |
| return "$hi"; |
| case UNW_MIPS_LO: |
| return "$lo"; |
| default: |
| return "unknown register"; |
| } |
| } |
| #endif // _LIBUNWIND_TARGET_MIPS_O32 |
| |
| #if defined(_LIBUNWIND_TARGET_MIPS_NEWABI) |
| /// Registers_mips_newabi holds the register state of a thread in a |
| /// MIPS process using NEWABI (the N32 or N64 ABIs). |
| class _LIBUNWIND_HIDDEN Registers_mips_newabi { |
| public: |
| Registers_mips_newabi(); |
| Registers_mips_newabi(const void *registers); |
| |
| bool validRegister(int num) const; |
| uint64_t getRegister(int num) const; |
| void setRegister(int num, uint64_t value); |
| bool validFloatRegister(int num) const; |
| double getFloatRegister(int num) const; |
| void setFloatRegister(int num, double value); |
| bool validVectorRegister(int num) const; |
| v128 getVectorRegister(int num) const; |
| void setVectorRegister(int num, v128 value); |
| const char *getRegisterName(int num); |
| void jumpto(); |
| static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_MIPS; } |
| |
| uint64_t getSP() const { return _registers.__r[29]; } |
| void setSP(uint64_t value) { _registers.__r[29] = value; } |
| uint64_t getIP() const { return _registers.__pc; } |
| void setIP(uint64_t value) { _registers.__pc = value; } |
| |
| private: |
| struct mips_newabi_thread_state_t { |
| uint64_t __r[32]; |
| uint64_t __pc; |
| uint64_t __hi; |
| uint64_t __lo; |
| }; |
| |
| mips_newabi_thread_state_t _registers; |
| #ifdef __mips_hard_float |
| double _floats[32]; |
| #endif |
| }; |
| |
| inline Registers_mips_newabi::Registers_mips_newabi(const void *registers) { |
| static_assert((check_fit<Registers_mips_newabi, unw_context_t>::does_fit), |
| "mips_newabi registers do not fit into unw_context_t"); |
| memcpy(&_registers, static_cast<const uint8_t *>(registers), |
| sizeof(_registers)); |
| } |
| |
| inline Registers_mips_newabi::Registers_mips_newabi() { |
| memset(&_registers, 0, sizeof(_registers)); |
| } |
| |
| inline bool Registers_mips_newabi::validRegister(int regNum) const { |
| if (regNum == UNW_REG_IP) |
| return true; |
| if (regNum == UNW_REG_SP) |
| return true; |
| if (regNum < 0) |
| return false; |
| if (regNum <= UNW_MIPS_R31) |
| return true; |
| if (regNum == UNW_MIPS_HI) |
| return true; |
| if (regNum == UNW_MIPS_LO) |
| return true; |
| // FIXME: Hard float, DSP accumulator registers, MSA registers |
| return false; |
| } |
| |
| inline uint64_t Registers_mips_newabi::getRegister(int regNum) const { |
| if (regNum >= UNW_MIPS_R0 && regNum <= UNW_MIPS_R31) |
| return _registers.__r[regNum - UNW_MIPS_R0]; |
| |
| switch (regNum) { |
| case UNW_REG_IP: |
| return _registers.__pc; |
| case UNW_REG_SP: |
| return _registers.__r[29]; |
| case UNW_MIPS_HI: |
| return _registers.__hi; |
| case UNW_MIPS_LO: |
| return _registers.__lo; |
| } |
| _LIBUNWIND_ABORT("unsupported mips_newabi register"); |
| } |
| |
| inline void Registers_mips_newabi::setRegister(int regNum, uint64_t value) { |
| if (regNum >= UNW_MIPS_R0 && regNum <= UNW_MIPS_R31) { |
| _registers.__r[regNum - UNW_MIPS_R0] = value; |
| return; |
| } |
| |
| switch (regNum) { |
| case UNW_REG_IP: |
| _registers.__pc = value; |
| return; |
| case UNW_REG_SP: |
| _registers.__r[29] = value; |
| return; |
| case UNW_MIPS_HI: |
| _registers.__hi = value; |
| return; |
| case UNW_MIPS_LO: |
| _registers.__lo = value; |
| return; |
| } |
| _LIBUNWIND_ABORT("unsupported mips_newabi register"); |
| } |
| |
| inline bool Registers_mips_newabi::validFloatRegister(int regNum) const { |
| #ifdef __mips_hard_float |
| if (regNum >= UNW_MIPS_F0 && regNum <= UNW_MIPS_F31) |
| return true; |
| #endif |
| return false; |
| } |
| |
| inline double Registers_mips_newabi::getFloatRegister(int regNum) const { |
| #ifdef __mips_hard_float |
| assert(validFloatRegister(regNum)); |
| return _floats[regNum - UNW_MIPS_F0]; |
| #else |
| _LIBUNWIND_ABORT("mips_newabi float support not implemented"); |
| #endif |
| } |
| |
| inline void Registers_mips_newabi::setFloatRegister(int regNum, |
| double value) { |
| #ifdef __mips_hard_float |
| assert(validFloatRegister(regNum)); |
| _floats[regNum - UNW_MIPS_F0] = value; |
| #else |
| _LIBUNWIND_ABORT("mips_newabi float support not implemented"); |
| #endif |
| } |
| |
| inline bool Registers_mips_newabi::validVectorRegister(int /* regNum */) const { |
| return false; |
| } |
| |
| inline v128 Registers_mips_newabi::getVectorRegister(int /* regNum */) const { |
| _LIBUNWIND_ABORT("mips_newabi vector support not implemented"); |
| } |
| |
| inline void Registers_mips_newabi::setVectorRegister(int /* regNum */, v128 /* value */) { |
| _LIBUNWIND_ABORT("mips_newabi vector support not implemented"); |
| } |
| |
| inline const char *Registers_mips_newabi::getRegisterName(int regNum) { |
| switch (regNum) { |
| case UNW_MIPS_R0: |
| return "$0"; |
| case UNW_MIPS_R1: |
| return "$1"; |
| case UNW_MIPS_R2: |
| return "$2"; |
| case UNW_MIPS_R3: |
| return "$3"; |
| case UNW_MIPS_R4: |
| return "$4"; |
| case UNW_MIPS_R5: |
| return "$5"; |
| case UNW_MIPS_R6: |
| return "$6"; |
| case UNW_MIPS_R7: |
| return "$7"; |
| case UNW_MIPS_R8: |
| return "$8"; |
| case UNW_MIPS_R9: |
| return "$9"; |
| case UNW_MIPS_R10: |
| return "$10"; |
| case UNW_MIPS_R11: |
| return "$11"; |
| case UNW_MIPS_R12: |
| return "$12"; |
| case UNW_MIPS_R13: |
| return "$13"; |
| case UNW_MIPS_R14: |
| return "$14"; |
| case UNW_MIPS_R15: |
| return "$15"; |
| case UNW_MIPS_R16: |
| return "$16"; |
| case UNW_MIPS_R17: |
| return "$17"; |
| case UNW_MIPS_R18: |
| return "$18"; |
| case UNW_MIPS_R19: |
| return "$19"; |
| case UNW_MIPS_R20: |
| return "$20"; |
| case UNW_MIPS_R21: |
| return "$21"; |
| case UNW_MIPS_R22: |
| return "$22"; |
| case UNW_MIPS_R23: |
| return "$23"; |
| case UNW_MIPS_R24: |
| return "$24"; |
| case UNW_MIPS_R25: |
| return "$25"; |
| case UNW_MIPS_R26: |
| return "$26"; |
| case UNW_MIPS_R27: |
| return "$27"; |
| case UNW_MIPS_R28: |
| return "$28"; |
| case UNW_MIPS_R29: |
| return "$29"; |
| case UNW_MIPS_R30: |
| return "$30"; |
| case UNW_MIPS_R31: |
| return "$31"; |
| case UNW_MIPS_F0: |
| return "$f0"; |
| case UNW_MIPS_F1: |
| return "$f1"; |
| case UNW_MIPS_F2: |
| return "$f2"; |
| case UNW_MIPS_F3: |
| return "$f3"; |
| case UNW_MIPS_F4: |
| return "$f4"; |
| case UNW_MIPS_F5: |
| return "$f5"; |
| case UNW_MIPS_F6: |
| return "$f6"; |
| case UNW_MIPS_F7: |
| return "$f7"; |
| case UNW_MIPS_F8: |
| return "$f8"; |
| case UNW_MIPS_F9: |
| return "$f9"; |
| case UNW_MIPS_F10: |
| return "$f10"; |
| case UNW_MIPS_F11: |
| return "$f11"; |
| case UNW_MIPS_F12: |
| return "$f12"; |
| case UNW_MIPS_F13: |
| return "$f13"; |
| case UNW_MIPS_F14: |
| return "$f14"; |
| case UNW_MIPS_F15: |
| return "$f15"; |
| case UNW_MIPS_F16: |
| return "$f16"; |
| case UNW_MIPS_F17: |
| return "$f17"; |
| case UNW_MIPS_F18: |
| return "$f18"; |
| case UNW_MIPS_F19: |
| return "$f19"; |
| case UNW_MIPS_F20: |
| return "$f20"; |
| case UNW_MIPS_F21: |
| return "$f21"; |
| case UNW_MIPS_F22: |
| return "$f22"; |
| case UNW_MIPS_F23: |
| return "$f23"; |
| case UNW_MIPS_F24: |
| return "$f24"; |
| case UNW_MIPS_F25: |
| return "$f25"; |
| case UNW_MIPS_F26: |
| return "$f26"; |
| case UNW_MIPS_F27: |
| return "$f27"; |
| case UNW_MIPS_F28: |
| return "$f28"; |
| case UNW_MIPS_F29: |
| return "$f29"; |
| case UNW_MIPS_F30: |
| return "$f30"; |
| case UNW_MIPS_F31: |
| return "$f31"; |
| case UNW_MIPS_HI: |
| return "$hi"; |
| case UNW_MIPS_LO: |
| return "$lo"; |
| default: |
| return "unknown register"; |
| } |
| } |
| #endif // _LIBUNWIND_TARGET_MIPS_NEWABI |
| } // namespace libunwind |
| |
| #endif // __REGISTERS_HPP__ |
