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-rw-r--r--src/Registers.hpp1713
1 files changed, 1662 insertions, 51 deletions
diff --git a/src/Registers.hpp b/src/Registers.hpp
index ab87428400047..a4f5a85f2a7bf 100644
--- a/src/Registers.hpp
+++ b/src/Registers.hpp
@@ -24,6 +24,18 @@ namespace libunwind {
// For emulating 128-bit registers
struct v128 { uint32_t vec[4]; };
+enum {
+ REGISTERS_X86,
+ REGISTERS_X86_64,
+ REGISTERS_PPC,
+ REGISTERS_PPC64,
+ REGISTERS_ARM64,
+ REGISTERS_ARM,
+ REGISTERS_OR1K,
+ REGISTERS_MIPS_O32,
+ REGISTERS_MIPS_NEWABI,
+ REGISTERS_SPARC,
+};
#if defined(_LIBUNWIND_TARGET_I386)
/// Registers_x86 holds the register state of a thread in a 32-bit intel
@@ -42,9 +54,10 @@ public:
bool validVectorRegister(int) const { return false; }
v128 getVectorRegister(int num) const;
void setVectorRegister(int num, v128 value);
- const char *getRegisterName(int num);
+ static const char *getRegisterName(int num);
void jumpto();
- static int lastDwarfRegNum() { return 8; }
+ static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_X86; }
+ static int getArch() { return REGISTERS_X86; }
uint32_t getSP() const { return _registers.__esp; }
void setSP(uint32_t value) { _registers.__esp = value; }
@@ -122,9 +135,17 @@ inline uint32_t Registers_x86::getRegister(int regNum) const {
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;
@@ -154,10 +175,18 @@ inline void Registers_x86::setRegister(int regNum, uint32_t value) {
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:
@@ -229,12 +258,13 @@ public:
bool validFloatRegister(int) const { return false; }
double getFloatRegister(int num) const;
void setFloatRegister(int num, double value);
- bool validVectorRegister(int) const { return false; }
+ bool validVectorRegister(int) const;
v128 getVectorRegister(int num) const;
void setVectorRegister(int num, v128 value);
- const char *getRegisterName(int num);
+ static const char *getRegisterName(int num);
void jumpto();
- static int lastDwarfRegNum() { return 16; }
+ static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_X86_64; }
+ static int getArch() { return REGISTERS_X86_64; }
uint64_t getSP() const { return _registers.__rsp; }
void setSP(uint64_t value) { _registers.__rsp = value; }
@@ -276,8 +306,14 @@ private:
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) {
@@ -442,6 +478,38 @@ inline const char *Registers_x86_64::getRegisterName(int regNum) {
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";
}
@@ -455,12 +523,37 @@ inline void Registers_x86_64::setFloatRegister(int, double) {
_LIBUNWIND_ABORT("no x86_64 float registers");
}
-inline v128 Registers_x86_64::getVectorRegister(int) const {
+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
+ (void)regNum; // suppress unused parameter warning
+ 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
+ (void)regNum; // suppress unused parameter warning
_LIBUNWIND_ABORT("no x86_64 vector registers");
+#endif
}
-inline void Registers_x86_64::setVectorRegister(int, v128) {
+inline void Registers_x86_64::setVectorRegister(int regNum, v128 value) {
+#if defined(_WIN64)
+ assert(validVectorRegister(regNum));
+ _xmm[regNum - UNW_X86_64_XMM0] = value;
+#else
+ (void)regNum; (void)value; // suppress unused parameter warnings
_LIBUNWIND_ABORT("no x86_64 vector registers");
+#endif
}
#endif // _LIBUNWIND_TARGET_X86_64
@@ -482,9 +575,10 @@ public:
bool validVectorRegister(int num) const;
v128 getVectorRegister(int num) const;
void setVectorRegister(int num, v128 value);
- const char *getRegisterName(int num);
+ static const char *getRegisterName(int num);
void jumpto();
- static int lastDwarfRegNum() { return 112; }
+ static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_PPC; }
+ static int getArch() { return REGISTERS_PPC; }
uint64_t getSP() const { return _registers.__r1; }
void setSP(uint32_t value) { _registers.__r1 = value; }
@@ -1030,6 +1124,648 @@ inline const char *Registers_ppc::getRegisterName(int regNum) {
}
#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);
+ static const char *getRegisterName(int num);
+ void jumpto();
+ static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_PPC64; }
+ static int getArch() { return REGISTERS_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
@@ -1048,9 +1784,10 @@ public:
bool validVectorRegister(int num) const;
v128 getVectorRegister(int num) const;
void setVectorRegister(int num, v128 value);
- const char *getRegisterName(int num);
+ static const char *getRegisterName(int num);
void jumpto();
- static int lastDwarfRegNum() { return 95; }
+ static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_ARM64; }
+ static int getArch() { return REGISTERS_ARM64; }
uint64_t getSP() const { return _registers.__sp; }
void setSP(uint64_t value) { _registers.__sp = value; }
@@ -1066,7 +1803,7 @@ private:
uint64_t __lr; // Link register x30
uint64_t __sp; // Stack pointer x31
uint64_t __pc; // Program counter
- uint64_t padding; // 16-byte align
+ uint64_t __ra_sign_state; // RA sign state register
};
GPRs _registers;
@@ -1102,6 +1839,8 @@ inline bool Registers_arm64::validRegister(int regNum) const {
return false;
if (regNum > 95)
return false;
+ if (regNum == UNW_ARM64_RA_SIGN_STATE)
+ return true;
if ((regNum > 31) && (regNum < 64))
return false;
return true;
@@ -1112,6 +1851,8 @@ inline uint64_t Registers_arm64::getRegister(int regNum) const {
return _registers.__pc;
if (regNum == UNW_REG_SP)
return _registers.__sp;
+ if (regNum == UNW_ARM64_RA_SIGN_STATE)
+ return _registers.__ra_sign_state;
if ((regNum >= 0) && (regNum < 32))
return _registers.__x[regNum];
_LIBUNWIND_ABORT("unsupported arm64 register");
@@ -1122,6 +1863,8 @@ inline void Registers_arm64::setRegister(int regNum, uint64_t value) {
_registers.__pc = value;
else if (regNum == UNW_REG_SP)
_registers.__sp = value;
+ else if (regNum == UNW_ARM64_RA_SIGN_STATE)
+ _registers.__ra_sign_state = value;
else if ((regNum >= 0) && (regNum < 32))
_registers.__x[regNum] = value;
else
@@ -1310,7 +2053,7 @@ public:
Registers_arm(const void *registers);
bool validRegister(int num) const;
- uint32_t getRegister(int num);
+ uint32_t getRegister(int num) const;
void setRegister(int num, uint32_t value);
bool validFloatRegister(int num) const;
unw_fpreg_t getFloatRegister(int num);
@@ -1318,11 +2061,13 @@ public:
bool validVectorRegister(int num) const;
v128 getVectorRegister(int num) const;
void setVectorRegister(int num, v128 value);
- const char *getRegisterName(int num);
+ static const char *getRegisterName(int num);
void jumpto() {
restoreSavedFloatRegisters();
restoreCoreAndJumpTo();
}
+ static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_ARM; }
+ static int getArch() { return REGISTERS_ARM; }
uint32_t getSP() const { return _registers.__sp; }
void setSP(uint32_t value) { _registers.__sp = value; }
@@ -1343,10 +2088,12 @@ public:
}
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:
@@ -1360,13 +2107,15 @@ private:
static void saveVFPWithFSTMD(unw_fpreg_t*);
static void saveVFPWithFSTMX(unw_fpreg_t*);
static void saveVFPv3(unw_fpreg_t*);
- static void saveiWMMX(unw_fpreg_t*);
- static void saveiWMMXControl(uint32_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
@@ -1384,47 +2133,53 @@ private:
bool _saved_vfp_d0_d15;
// Whether VFPv3 D16-D31 are saved.
bool _saved_vfp_d16_d31;
- // Whether iWMMX data registers are saved.
- bool _saved_iwmmx;
- // Whether iWMMX control registers are saved.
- bool _saved_iwmmx_control;
// 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
- uint32_t _iwmmx_control[4];
+ 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),
- _saved_iwmmx(false),
- _saved_iwmmx_control(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),
- _saved_iwmmx(false),
- _saved_iwmmx_control(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 {
@@ -1432,24 +2187,35 @@ inline bool Registers_arm::validRegister(int regNum) const {
// 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) {
+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;
@@ -1457,26 +2223,44 @@ inline uint32_t Registers_arm::getRegister(int regNum) {
}
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)
+ if (regNum == UNW_REG_SP || regNum == UNW_ARM_SP) {
_registers.__sp = value;
- else if (regNum == UNW_ARM_LR)
+ return;
+ }
+
+ if (regNum == UNW_ARM_LR) {
_registers.__lr = value;
- else if (regNum == UNW_REG_IP || regNum == UNW_ARM_IP)
+ return;
+ }
+
+ if (regNum == UNW_REG_IP || regNum == UNW_ARM_IP) {
_registers.__pc = value;
- else if (regNum >= UNW_ARM_R0 && regNum <= UNW_ARM_R12)
+ return;
+ }
+
+ if (regNum >= UNW_ARM_R0 && regNum <= UNW_ARM_R12) {
_registers.__r[regNum] = value;
- else if (regNum >= UNW_ARM_WC0 && regNum <= UNW_ARM_WC3) {
+ 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;
- } else
- _LIBUNWIND_ABORT("unsupported arm register");
+ return;
+ }
+#endif
+
+ _LIBUNWIND_ABORT("unsupported arm register");
}
inline const char *Registers_arm::getRegisterName(int regNum) {
@@ -1652,7 +2436,10 @@ 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))
- || ((regNum >= UNW_ARM_WR0) && (regNum <= UNW_ARM_WR15));
+#if defined(__ARM_WMMX)
+ || ((regNum >= UNW_ARM_WR0) && (regNum <= UNW_ARM_WR15))
+#endif
+ ;
}
inline unw_fpreg_t Registers_arm::getFloatRegister(int regNum) {
@@ -1665,21 +2452,27 @@ inline unw_fpreg_t Registers_arm::getFloatRegister(int regNum) {
saveVFPWithFSTMD(_vfp_d0_d15_pad);
}
return _vfp_d0_d15_pad[regNum - UNW_ARM_D0];
- } else if (regNum >= UNW_ARM_D16 && regNum <= UNW_ARM_D31) {
+ }
+
+ 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];
- } else if (regNum >= UNW_ARM_WR0 && regNum <= UNW_ARM_WR15) {
+ }
+
+#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];
- } else {
- _LIBUNWIND_ABORT("Unknown ARM float register");
}
+#endif
+
+ _LIBUNWIND_ABORT("Unknown ARM float register");
}
inline void Registers_arm::setFloatRegister(int regNum, unw_fpreg_t value) {
@@ -1692,21 +2485,30 @@ inline void Registers_arm::setFloatRegister(int regNum, unw_fpreg_t value) {
saveVFPWithFSTMD(_vfp_d0_d15_pad);
}
_vfp_d0_d15_pad[regNum - UNW_ARM_D0] = value;
- } else if (regNum >= UNW_ARM_D16 && regNum <= UNW_ARM_D31) {
+ 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;
- } else if (regNum >= UNW_ARM_WR0 && regNum <= UNW_ARM_WR15) {
+ 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;
- } else {
- _LIBUNWIND_ABORT("Unknown ARM float register");
+ return;
}
+#endif
+
+ _LIBUNWIND_ABORT("Unknown ARM float register");
}
inline bool Registers_arm::validVectorRegister(int) const {
@@ -1740,18 +2542,21 @@ public:
bool validVectorRegister(int num) const;
v128 getVectorRegister(int num) const;
void setVectorRegister(int num, v128 value);
- const char *getRegisterName(int num);
+ static const char *getRegisterName(int num);
void jumpto();
- static int lastDwarfRegNum() { return 31; }
+ static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_OR1K; }
+ static int getArch() { return REGISTERS_OR1K; }
uint64_t getSP() const { return _registers.__r[1]; }
void setSP(uint32_t value) { _registers.__r[1] = value; }
- uint64_t getIP() const { return _registers.__r[9]; }
- void setIP(uint32_t value) { _registers.__r[9] = 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];
+ unsigned int __r[32]; // r0-r31
+ unsigned int __pc; // Program counter
+ unsigned int __epcr; // Program counter at exception
};
or1k_thread_state_t _registers;
@@ -1777,6 +2582,8 @@ inline bool Registers_or1k::validRegister(int regNum) const {
return false;
if (regNum <= UNW_OR1K_R31)
return true;
+ if (regNum == UNW_OR1K_EPCR)
+ return true;
return false;
}
@@ -1786,9 +2593,11 @@ inline uint32_t Registers_or1k::getRegister(int regNum) const {
switch (regNum) {
case UNW_REG_IP:
- return _registers.__r[9];
+ return _registers.__pc;
case UNW_REG_SP:
return _registers.__r[1];
+ case UNW_OR1K_EPCR:
+ return _registers.__epcr;
}
_LIBUNWIND_ABORT("unsupported or1k register");
}
@@ -1801,11 +2610,14 @@ inline void Registers_or1k::setRegister(int regNum, uint32_t value) {
switch (regNum) {
case UNW_REG_IP:
- _registers.__r[9] = value;
+ _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");
}
@@ -1901,12 +2713,811 @@ inline const char *Registers_or1k::getRegisterName(int regNum) {
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);
+ static const char *getRegisterName(int num);
+ void jumpto();
+ static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_MIPS; }
+ static int getArch() { return REGISTERS_MIPS_O32; }
+
+ 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 __mips_isa_rev != 6
+ if (regNum == UNW_MIPS_HI)
+ return true;
+ if (regNum == UNW_MIPS_LO)
+ return true;
+#endif
+#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);
+ static const char *getRegisterName(int num);
+ void jumpto();
+ static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_MIPS; }
+ static int getArch() { return REGISTERS_MIPS_NEWABI; }
+
+ 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 __mips_isa_rev != 6
+ if (regNum == UNW_MIPS_HI)
+ return true;
+ if (regNum == UNW_MIPS_LO)
+ return true;
+#endif
+ // 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
+
+#if defined(_LIBUNWIND_TARGET_SPARC)
+/// Registers_sparc holds the register state of a thread in a 32-bit Sparc
+/// process.
+class _LIBUNWIND_HIDDEN Registers_sparc {
+public:
+ Registers_sparc();
+ Registers_sparc(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);
+ static const char *getRegisterName(int num);
+ void jumpto();
+ static int lastDwarfRegNum() { return _LIBUNWIND_HIGHEST_DWARF_REGISTER_SPARC; }
+ static int getArch() { return REGISTERS_SPARC; }
+
+ uint64_t getSP() const { return _registers.__regs[UNW_SPARC_O6]; }
+ void setSP(uint32_t value) { _registers.__regs[UNW_SPARC_O6] = value; }
+ uint64_t getIP() const { return _registers.__regs[UNW_SPARC_O7]; }
+ void setIP(uint32_t value) { _registers.__regs[UNW_SPARC_O7] = value; }
+
+private:
+ struct sparc_thread_state_t {
+ unsigned int __regs[32];
+ };
+
+ sparc_thread_state_t _registers;
+};
+
+inline Registers_sparc::Registers_sparc(const void *registers) {
+ static_assert((check_fit<Registers_sparc, unw_context_t>::does_fit),
+ "sparc registers do not fit into unw_context_t");
+ memcpy(&_registers, static_cast<const uint8_t *>(registers),
+ sizeof(_registers));
+}
+
+inline Registers_sparc::Registers_sparc() {
+ memset(&_registers, 0, sizeof(_registers));
+}
+
+inline bool Registers_sparc::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_SPARC_I7)
+ return true;
+ return false;
+}
+
+inline uint32_t Registers_sparc::getRegister(int regNum) const {
+ if ((UNW_SPARC_G0 <= regNum) && (regNum <= UNW_SPARC_I7)) {
+ return _registers.__regs[regNum];
+ }
+
+ switch (regNum) {
+ case UNW_REG_IP:
+ return _registers.__regs[UNW_SPARC_O7];
+ case UNW_REG_SP:
+ return _registers.__regs[UNW_SPARC_O6];
+ }
+ _LIBUNWIND_ABORT("unsupported sparc register");
+}
+
+inline void Registers_sparc::setRegister(int regNum, uint32_t value) {
+ if ((UNW_SPARC_G0 <= regNum) && (regNum <= UNW_SPARC_I7)) {
+ _registers.__regs[regNum] = value;
+ return;
+ }
+
+ switch (regNum) {
+ case UNW_REG_IP:
+ _registers.__regs[UNW_SPARC_O7] = value;
+ return;
+ case UNW_REG_SP:
+ _registers.__regs[UNW_SPARC_O6] = value;
+ return;
+ }
+ _LIBUNWIND_ABORT("unsupported sparc register");
+}
+
+inline bool Registers_sparc::validFloatRegister(int) const { return false; }
+
+inline double Registers_sparc::getFloatRegister(int) const {
+ _LIBUNWIND_ABORT("no Sparc float registers");
+}
+
+inline void Registers_sparc::setFloatRegister(int, double) {
+ _LIBUNWIND_ABORT("no Sparc float registers");
+}
+
+inline bool Registers_sparc::validVectorRegister(int) const { return false; }
+
+inline v128 Registers_sparc::getVectorRegister(int) const {
+ _LIBUNWIND_ABORT("no Sparc vector registers");
+}
+
+inline void Registers_sparc::setVectorRegister(int, v128) {
+ _LIBUNWIND_ABORT("no Sparc vector registers");
+}
+
+inline const char *Registers_sparc::getRegisterName(int regNum) {
+ switch (regNum) {
+ case UNW_REG_IP:
+ return "pc";
+ case UNW_SPARC_G0:
+ return "g0";
+ case UNW_SPARC_G1:
+ return "g1";
+ case UNW_SPARC_G2:
+ return "g2";
+ case UNW_SPARC_G3:
+ return "g3";
+ case UNW_SPARC_G4:
+ return "g4";
+ case UNW_SPARC_G5:
+ return "g5";
+ case UNW_SPARC_G6:
+ return "g6";
+ case UNW_SPARC_G7:
+ return "g7";
+ case UNW_SPARC_O0:
+ return "o0";
+ case UNW_SPARC_O1:
+ return "o1";
+ case UNW_SPARC_O2:
+ return "o2";
+ case UNW_SPARC_O3:
+ return "o3";
+ case UNW_SPARC_O4:
+ return "o4";
+ case UNW_SPARC_O5:
+ return "o5";
+ case UNW_REG_SP:
+ case UNW_SPARC_O6:
+ return "sp";
+ case UNW_SPARC_O7:
+ return "o7";
+ case UNW_SPARC_L0:
+ return "l0";
+ case UNW_SPARC_L1:
+ return "l1";
+ case UNW_SPARC_L2:
+ return "l2";
+ case UNW_SPARC_L3:
+ return "l3";
+ case UNW_SPARC_L4:
+ return "l4";
+ case UNW_SPARC_L5:
+ return "l5";
+ case UNW_SPARC_L6:
+ return "l6";
+ case UNW_SPARC_L7:
+ return "l7";
+ case UNW_SPARC_I0:
+ return "i0";
+ case UNW_SPARC_I1:
+ return "i1";
+ case UNW_SPARC_I2:
+ return "i2";
+ case UNW_SPARC_I3:
+ return "i3";
+ case UNW_SPARC_I4:
+ return "i4";
+ case UNW_SPARC_I5:
+ return "i5";
+ case UNW_SPARC_I6:
+ return "fp";
+ case UNW_SPARC_I7:
+ return "i7";
+ default:
+ return "unknown register";
+ }
+}
+#endif // _LIBUNWIND_TARGET_SPARC
+
} // namespace libunwind
#endif // __REGISTERS_HPP__
generated by cgit v1.3 (git 2.53.0) at 2026-09-04 22:11:03 +0000