minix/sys/lib/libunwind/Registers.hpp

978 lines
23 KiB
C++
Raw Normal View History

//===----------------------------- 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 <cassert>
#include <cstdint>
namespace _Unwind {
enum {
REGNO_X86_EAX = 0,
REGNO_X86_ECX = 1,
REGNO_X86_EDX = 2,
REGNO_X86_EBX = 3,
REGNO_X86_ESP = 4,
REGNO_X86_EBP = 5,
REGNO_X86_ESI = 6,
REGNO_X86_EDI = 7,
REGNO_X86_EIP = 8,
};
class Registers_x86 {
public:
enum {
LAST_REGISTER = REGNO_X86_EIP,
LAST_RESTORE_REG = REGNO_X86_EIP,
RETURN_OFFSET = 0,
};
__dso_hidden Registers_x86();
static int dwarf2regno(int num) { return num; }
bool validRegister(int num) const {
return num >= REGNO_X86_EAX && num <= REGNO_X86_EDI;
}
uint32_t getRegister(int num) const {
assert(validRegister(num));
return reg[num];
}
void setRegister(int num, uint32_t value) {
assert(validRegister(num));
reg[num] = value;
}
uint32_t getIP() const { return reg[REGNO_X86_EIP]; }
void setIP(uint32_t value) { reg[REGNO_X86_EIP] = value; }
uint32_t getSP() const { return reg[REGNO_X86_ESP]; }
void setSP(uint32_t value) { reg[REGNO_X86_ESP] = value; }
bool validFloatVectorRegister(int num) const { return false; }
void copyFloatVectorRegister(int num, uint32_t addr) {
}
__dso_hidden void jumpto() const __dead;
private:
uint32_t reg[REGNO_X86_EIP + 1];
};
enum {
REGNO_X86_64_RAX = 0,
REGNO_X86_64_RDX = 1,
REGNO_X86_64_RCX = 2,
REGNO_X86_64_RBX = 3,
REGNO_X86_64_RSI = 4,
REGNO_X86_64_RDI = 5,
REGNO_X86_64_RBP = 6,
REGNO_X86_64_RSP = 7,
REGNO_X86_64_R8 = 8,
REGNO_X86_64_R9 = 9,
REGNO_X86_64_R10 = 10,
REGNO_X86_64_R11 = 11,
REGNO_X86_64_R12 = 12,
REGNO_X86_64_R13 = 13,
REGNO_X86_64_R14 = 14,
REGNO_X86_64_R15 = 15,
REGNO_X86_64_RIP = 16,
};
class Registers_x86_64 {
public:
enum {
LAST_REGISTER = REGNO_X86_64_RIP,
LAST_RESTORE_REG = REGNO_X86_64_RIP,
RETURN_OFFSET = 0,
};
__dso_hidden Registers_x86_64();
static int dwarf2regno(int num) { return num; }
bool validRegister(int num) const {
return num >= REGNO_X86_64_RAX && num <= REGNO_X86_64_R15;
}
uint64_t getRegister(int num) const {
assert(validRegister(num));
return reg[num];
}
void setRegister(int num, uint64_t value) {
assert(validRegister(num));
reg[num] = value;
}
uint64_t getIP() const { return reg[REGNO_X86_64_RIP]; }
void setIP(uint64_t value) { reg[REGNO_X86_64_RIP] = value; }
uint64_t getSP() const { return reg[REGNO_X86_64_RSP]; }
void setSP(uint64_t value) { reg[REGNO_X86_64_RSP] = value; }
bool validFloatVectorRegister(int num) const { return false; }
void copyFloatVectorRegister(int num, uint64_t addr) {
}
__dso_hidden void jumpto() const __dead;
private:
uint64_t reg[REGNO_X86_64_RIP + 1];
};
enum {
DWARF_PPC32_R0 = 0,
DWARF_PPC32_R31 = 31,
DWARF_PPC32_F0 = 32,
DWARF_PPC32_F31 = 63,
DWARF_PPC32_LR = 65,
DWARF_PPC32_CR = 70,
DWARF_PPC32_V0 = 77,
DWARF_PPC32_V31 = 108,
REGNO_PPC32_R0 = 0,
REGNO_PPC32_R1 = 1,
REGNO_PPC32_R31 = 31,
REGNO_PPC32_LR = 32,
REGNO_PPC32_CR = 33,
REGNO_PPC32_SRR0 = 34,
REGNO_PPC32_F0 = REGNO_PPC32_SRR0 + 1,
REGNO_PPC32_F31 = REGNO_PPC32_F0 + 31,
REGNO_PPC32_V0 = REGNO_PPC32_F31 + 1,
REGNO_PPC32_V31 = REGNO_PPC32_V0 + 31,
};
class Registers_ppc32 {
public:
enum {
LAST_REGISTER = REGNO_PPC32_V31,
LAST_RESTORE_REG = REGNO_PPC32_V31,
RETURN_OFFSET = 0,
};
__dso_hidden Registers_ppc32();
static int dwarf2regno(int num) {
if (num >= DWARF_PPC32_R0 && num <= DWARF_PPC32_R31)
return REGNO_PPC32_R0 + (num - DWARF_PPC32_R0);
if (num >= DWARF_PPC32_F0 && num <= DWARF_PPC32_F31)
return REGNO_PPC32_F0 + (num - DWARF_PPC32_F0);
if (num >= DWARF_PPC32_V0 && num <= DWARF_PPC32_V31)
return REGNO_PPC32_V0 + (num - DWARF_PPC32_V0);
switch (num) {
case DWARF_PPC32_LR:
return REGNO_PPC32_LR;
case DWARF_PPC32_CR:
return REGNO_PPC32_CR;
default:
return LAST_REGISTER + 1;
}
}
bool validRegister(int num) const {
return num >= 0 && num <= LAST_RESTORE_REG;
}
uint64_t getRegister(int num) const {
assert(validRegister(num));
return reg[num];
}
void setRegister(int num, uint64_t value) {
assert(validRegister(num));
reg[num] = value;
}
uint64_t getIP() const { return reg[REGNO_PPC32_SRR0]; }
void setIP(uint64_t value) { reg[REGNO_PPC32_SRR0] = value; }
uint64_t getSP() const { return reg[REGNO_PPC32_R1]; }
void setSP(uint64_t value) { reg[REGNO_PPC32_R1] = value; }
bool validFloatVectorRegister(int num) const {
return (num >= REGNO_PPC32_F0 && num <= REGNO_PPC32_F31) ||
(num >= REGNO_PPC32_V0 && num <= REGNO_PPC32_V31);
}
void copyFloatVectorRegister(int num, uint64_t addr_) {
const void *addr = reinterpret_cast<const void *>(addr_);
if (num >= REGNO_PPC32_F0 && num <= REGNO_PPC32_F31)
memcpy(fpreg + (num - REGNO_PPC32_F0), addr, sizeof(fpreg[0]));
else
memcpy(vecreg + (num - REGNO_PPC32_V0), addr, sizeof(vecreg[0]));
}
__dso_hidden void jumpto() const __dead;
private:
struct vecreg_t {
uint64_t low, high;
};
uint32_t reg[REGNO_PPC32_SRR0 + 1];
uint32_t dummy;
uint64_t fpreg[32];
vecreg_t vecreg[64];
};
enum {
DWARF_ARM32_R0 = 0,
DWARF_ARM32_R15 = 15,
DWARF_ARM32_SPSR = 128,
DWARF_ARM32_OLD_S0 = 64,
DWARF_ARM32_OLD_S31 = 91,
DWARF_ARM32_D0 = 256,
DWARF_ARM32_D31 = 287,
REGNO_ARM32_R0 = 0,
REGNO_ARM32_SP = 13,
REGNO_ARM32_R15 = 15,
REGNO_ARM32_SPSR = 16,
REGNO_ARM32_D0 = 17,
REGNO_ARM32_D15 = 32,
REGNO_ARM32_D31 = 48,
};
class Registers_arm32 {
public:
enum {
LAST_REGISTER = REGNO_ARM32_D31,
LAST_RESTORE_REG = REGNO_ARM32_D31,
RETURN_OFFSET = 0,
};
__dso_hidden Registers_arm32();
static int dwarf2regno(int num) {
if (num >= DWARF_ARM32_R0 && num <= DWARF_ARM32_R15)
return REGNO_ARM32_R0 + (num - DWARF_ARM32_R0);
if (num == DWARF_ARM32_SPSR)
return REGNO_ARM32_SPSR;
if (num >= DWARF_ARM32_D0 && num <= DWARF_ARM32_D31)
return REGNO_ARM32_D0 + (num - DWARF_ARM32_D0);
if (num >= DWARF_ARM32_OLD_S0 && num <= DWARF_ARM32_OLD_S31) {
assert(num % 2 == 0);
return REGNO_ARM32_D0 + (num - DWARF_ARM32_OLD_S0) / 2;
}
return LAST_REGISTER + 1;
}
bool validRegister(int num) const {
return num >= 0 && num <= REGNO_ARM32_SPSR;
}
uint64_t getRegister(int num) const {
assert(validRegister(num));
return reg[num];
}
void setRegister(int num, uint64_t value) {
assert(validRegister(num));
reg[num] = value;
}
uint64_t getIP() const { return reg[REGNO_ARM32_R15]; }
void setIP(uint64_t value) { reg[REGNO_ARM32_R15] = value; }
uint64_t getSP() const { return reg[REGNO_ARM32_SP]; }
void setSP(uint64_t value) { reg[REGNO_ARM32_SP] = value; }
bool validFloatVectorRegister(int num) const {
return (num >= REGNO_ARM32_D0 && num <= REGNO_ARM32_D31);
}
void copyFloatVectorRegister(int num, uint64_t addr_) {
if (num <= REGNO_ARM32_D15) {
if ((flags & 1) == 0) {
lazyVFP1();
flags |= 1;
}
} else {
if ((flags & 2) == 0) {
lazyVFP3();
flags |= 2;
}
}
const void *addr = reinterpret_cast<const void *>(addr_);
memcpy(fpreg + (num - REGNO_ARM32_D0), addr, sizeof(fpreg[0]));
}
__dso_hidden void lazyVFP1();
__dso_hidden void lazyVFP3();
__dso_hidden void jumpto() const __dead;
private:
uint32_t reg[REGNO_ARM32_SPSR + 1];
uint32_t flags;
uint64_t fpreg[32];
};
enum {
DWARF_VAX_R0 = 0,
DWARF_VAX_R15 = 15,
DWARF_VAX_PSW = 16,
REGNO_VAX_R0 = 0,
REGNO_VAX_R14 = 14,
REGNO_VAX_R15 = 15,
REGNO_VAX_PSW = 16,
};
class Registers_vax {
public:
enum {
LAST_REGISTER = REGNO_VAX_PSW,
LAST_RESTORE_REG = REGNO_VAX_PSW,
RETURN_OFFSET = 0,
};
__dso_hidden Registers_vax();
static int dwarf2regno(int num) {
if (num >= DWARF_VAX_R0 && num <= DWARF_VAX_R15)
return REGNO_VAX_R0 + (num - DWARF_VAX_R0);
if (num == DWARF_VAX_PSW)
return REGNO_VAX_PSW;
return LAST_REGISTER + 1;
}
bool validRegister(int num) const {
return num >= 0 && num <= LAST_RESTORE_REG;
}
uint64_t getRegister(int num) const {
assert(validRegister(num));
return reg[num];
}
void setRegister(int num, uint64_t value) {
assert(validRegister(num));
reg[num] = value;
}
uint64_t getIP() const { return reg[REGNO_VAX_R15]; }
void setIP(uint64_t value) { reg[REGNO_VAX_R15] = value; }
uint64_t getSP() const { return reg[REGNO_VAX_R14]; }
void setSP(uint64_t value) { reg[REGNO_VAX_R14] = value; }
bool validFloatVectorRegister(int num) const {
return false;
}
void copyFloatVectorRegister(int num, uint64_t addr_) {
}
__dso_hidden void jumpto() const __dead;
private:
uint32_t reg[REGNO_VAX_PSW + 1];
};
enum {
DWARF_M68K_A0 = 0,
DWARF_M68K_A7 = 7,
DWARF_M68K_D0 = 8,
DWARF_M68K_D7 = 15,
DWARF_M68K_FP0 = 16,
DWARF_M68K_FP7 = 23,
DWARF_M68K_PC = 24,
REGNO_M68K_A0 = 0,
REGNO_M68K_A7 = 7,
REGNO_M68K_D0 = 8,
REGNO_M68K_D7 = 15,
REGNO_M68K_PC = 16,
REGNO_M68K_FP0 = 17,
REGNO_M68K_FP7 = 24,
};
class Registers_M68K {
public:
enum {
LAST_REGISTER = REGNO_M68K_FP7,
LAST_RESTORE_REG = REGNO_M68K_FP7,
RETURN_OFFSET = 0,
};
__dso_hidden Registers_M68K();
static int dwarf2regno(int num) {
if (num >= DWARF_M68K_A0 && num <= DWARF_M68K_A7)
return REGNO_M68K_A0 + (num - DWARF_M68K_A0);
if (num >= DWARF_M68K_D0 && num <= DWARF_M68K_D7)
return REGNO_M68K_D0 + (num - DWARF_M68K_D0);
if (num >= DWARF_M68K_FP0 && num <= DWARF_M68K_FP7)
return REGNO_M68K_FP0 + (num - DWARF_M68K_FP0);
if (num == DWARF_M68K_PC)
return REGNO_M68K_PC;
return LAST_REGISTER + 1;
}
bool validRegister(int num) const {
return num >= 0 && num <= REGNO_M68K_PC;
}
uint64_t getRegister(int num) const {
assert(validRegister(num));
return reg[num];
}
void setRegister(int num, uint64_t value) {
assert(validRegister(num));
reg[num] = value;
}
uint64_t getIP() const { return reg[REGNO_M68K_PC]; }
void setIP(uint64_t value) { reg[REGNO_M68K_PC] = value; }
uint64_t getSP() const { return reg[REGNO_M68K_A7]; }
void setSP(uint64_t value) { reg[REGNO_M68K_A7] = value; }
bool validFloatVectorRegister(int num) const {
return num >= REGNO_M68K_FP0 && num <= REGNO_M68K_FP7;
}
void copyFloatVectorRegister(int num, uint64_t addr_) {
assert(validFloatVectorRegister(num));
const void *addr = reinterpret_cast<const void *>(addr_);
memcpy(fpreg + (num - REGNO_M68K_FP0), addr, sizeof(fpreg[0]));
}
__dso_hidden void jumpto() const __dead;
private:
typedef uint32_t fpreg_t[3];
uint32_t reg[REGNO_M68K_PC + 1];
uint32_t dummy;
fpreg_t fpreg[8];
};
enum {
DWARF_SH3_R0 = 0,
DWARF_SH3_R15 = 15,
DWARF_SH3_PC = 16,
DWARF_SH3_PR = 17,
REGNO_SH3_R0 = 0,
REGNO_SH3_R15 = 15,
REGNO_SH3_PC = 16,
REGNO_SH3_PR = 17,
};
class Registers_SH3 {
public:
enum {
LAST_REGISTER = REGNO_SH3_PR,
LAST_RESTORE_REG = REGNO_SH3_PR,
RETURN_OFFSET = 0,
};
__dso_hidden Registers_SH3();
static int dwarf2regno(int num) {
if (num >= DWARF_SH3_R0 && num <= DWARF_SH3_R15)
return REGNO_SH3_R0 + (num - DWARF_SH3_R0);
if (num == DWARF_SH3_PC)
return REGNO_SH3_PC;
if (num == DWARF_SH3_PR)
return REGNO_SH3_PR;
return LAST_REGISTER + 1;
}
bool validRegister(int num) const {
return num >= 0 && num <= REGNO_SH3_PR;
}
uint64_t getRegister(int num) const {
assert(validRegister(num));
return reg[num];
}
void setRegister(int num, uint64_t value) {
assert(validRegister(num));
reg[num] = value;
}
uint64_t getIP() const { return reg[REGNO_SH3_PC]; }
void setIP(uint64_t value) { reg[REGNO_SH3_PC] = value; }
uint64_t getSP() const { return reg[REGNO_SH3_R15]; }
void setSP(uint64_t value) { reg[REGNO_SH3_R15] = value; }
bool validFloatVectorRegister(int num) const { return false; }
void copyFloatVectorRegister(int num, uint64_t addr_) {}
__dso_hidden void jumpto() const __dead;
private:
uint32_t reg[REGNO_SH3_PR + 1];
};
enum {
DWARF_SPARC64_R0 = 0,
DWARF_SPARC64_R31 = 31,
DWARF_SPARC64_PC = 32,
REGNO_SPARC64_R0 = 0,
REGNO_SPARC64_R14 = 14,
REGNO_SPARC64_R15 = 15,
REGNO_SPARC64_R31 = 31,
REGNO_SPARC64_PC = 32,
};
class Registers_SPARC64 {
public:
enum {
LAST_REGISTER = REGNO_SPARC64_PC,
LAST_RESTORE_REG = REGNO_SPARC64_PC,
RETURN_OFFSET = 8,
};
typedef uint64_t reg_t;
__dso_hidden Registers_SPARC64();
static int dwarf2regno(int num) {
if (num >= DWARF_SPARC64_R0 && num <= DWARF_SPARC64_R31)
return REGNO_SPARC64_R0 + (num - DWARF_SPARC64_R0);
if (num == DWARF_SPARC64_PC)
return REGNO_SPARC64_PC;
return LAST_REGISTER + 1;
}
bool validRegister(int num) const {
return num >= 0 && num <= REGNO_SPARC64_PC;
}
uint64_t getRegister(int num) const {
assert(validRegister(num));
return reg[num];
}
void setRegister(int num, uint64_t value) {
assert(validRegister(num));
reg[num] = value;
}
uint64_t getIP() const { return reg[REGNO_SPARC64_PC]; }
void setIP(uint64_t value) { reg[REGNO_SPARC64_PC] = value; }
uint64_t getSP() const { return reg[REGNO_SPARC64_R14]; }
void setSP(uint64_t value) { reg[REGNO_SPARC64_R14] = value; }
bool validFloatVectorRegister(int num) const { return false; }
void copyFloatVectorRegister(int num, uint64_t addr_) {}
__dso_hidden void jumpto() const __dead;
private:
uint64_t reg[REGNO_SPARC64_PC + 1];
};
enum {
DWARF_SPARC_R0 = 0,
DWARF_SPARC_R31 = 31,
DWARF_SPARC_PC = 32,
REGNO_SPARC_R0 = 0,
REGNO_SPARC_R14 = 14,
REGNO_SPARC_R15 = 15,
REGNO_SPARC_R31 = 31,
REGNO_SPARC_PC = 32,
};
class Registers_SPARC {
public:
enum {
LAST_REGISTER = REGNO_SPARC_PC,
LAST_RESTORE_REG = REGNO_SPARC_PC,
RETURN_OFFSET = 8,
};
typedef uint32_t reg_t;
__dso_hidden Registers_SPARC();
static int dwarf2regno(int num) {
if (num >= DWARF_SPARC_R0 && num <= DWARF_SPARC_R31)
return REGNO_SPARC_R0 + (num - DWARF_SPARC_R0);
if (num == DWARF_SPARC_PC)
return REGNO_SPARC_PC;
return LAST_REGISTER + 1;
}
bool validRegister(int num) const {
return num >= 0 && num <= REGNO_SPARC_PC;
}
uint64_t getRegister(int num) const {
assert(validRegister(num));
return reg[num];
}
void setRegister(int num, uint64_t value) {
assert(validRegister(num));
reg[num] = value;
}
uint64_t getIP() const { return reg[REGNO_SPARC_PC]; }
void setIP(uint64_t value) { reg[REGNO_SPARC_PC] = value; }
uint64_t getSP() const { return reg[REGNO_SPARC_R14]; }
void setSP(uint64_t value) { reg[REGNO_SPARC_R14] = value; }
bool validFloatVectorRegister(int num) const { return false; }
void copyFloatVectorRegister(int num, uint64_t addr_) {}
__dso_hidden void jumpto() const __dead;
private:
uint32_t reg[REGNO_SPARC_PC + 1];
};
enum {
DWARF_ALPHA_R0 = 0,
DWARF_ALPHA_R30 = 30,
DWARF_ALPHA_F0 = 32,
DWARF_ALPHA_F30 = 62,
REGNO_ALPHA_R0 = 0,
REGNO_ALPHA_R26 = 26,
REGNO_ALPHA_R30 = 30,
REGNO_ALPHA_PC = 31,
REGNO_ALPHA_F0 = 32,
REGNO_ALPHA_F30 = 62,
};
class Registers_Alpha {
public:
enum {
LAST_REGISTER = REGNO_ALPHA_F30,
LAST_RESTORE_REG = REGNO_ALPHA_F30,
RETURN_OFFSET = 0,
};
typedef uint32_t reg_t;
__dso_hidden Registers_Alpha();
static int dwarf2regno(int num) { return num; }
bool validRegister(int num) const {
return num >= 0 && num <= REGNO_ALPHA_PC;
}
uint64_t getRegister(int num) const {
assert(validRegister(num));
return reg[num];
}
void setRegister(int num, uint64_t value) {
assert(validRegister(num));
reg[num] = value;
}
uint64_t getIP() const { return reg[REGNO_ALPHA_PC]; }
void setIP(uint64_t value) { reg[REGNO_ALPHA_PC] = value; }
uint64_t getSP() const { return reg[REGNO_ALPHA_R30]; }
void setSP(uint64_t value) { reg[REGNO_ALPHA_R30] = value; }
bool validFloatVectorRegister(int num) const {
return num >= REGNO_ALPHA_F0 && num <= REGNO_ALPHA_F30;
}
void copyFloatVectorRegister(int num, uint64_t addr_) {
assert(validFloatVectorRegister(num));
const void *addr = reinterpret_cast<const void *>(addr_);
memcpy(fpreg + (num - REGNO_ALPHA_F0), addr, sizeof(fpreg[0]));
}
__dso_hidden void jumpto() const __dead;
private:
uint64_t reg[REGNO_ALPHA_PC + 1];
uint64_t fpreg[31];
};
enum {
DWARF_HPPA_R1 = 1,
DWARF_HPPA_R31 = 31,
DWARF_HPPA_FR4L = 32,
DWARF_HPPA_FR31H = 87,
REGNO_HPPA_PC = 0,
REGNO_HPPA_R1 = 1,
REGNO_HPPA_R2 = 2,
REGNO_HPPA_R30 = 30,
REGNO_HPPA_R31 = 31,
REGNO_HPPA_FR4L = 32,
REGNO_HPPA_FR31H = 87,
};
class Registers_HPPA {
public:
enum {
LAST_REGISTER = REGNO_HPPA_FR31H,
LAST_RESTORE_REG = REGNO_HPPA_FR31H,
RETURN_OFFSET = -3, // strictly speaking, this is a mask
};
__dso_hidden Registers_HPPA();
static int dwarf2regno(int num) {
if (num >= DWARF_HPPA_R1 && num <= DWARF_HPPA_R31)
return REGNO_HPPA_R1 + (num - DWARF_HPPA_R1);
if (num >= DWARF_HPPA_FR4L && num <= DWARF_HPPA_FR31H)
return REGNO_HPPA_FR4L + (num - DWARF_HPPA_FR31H);
return LAST_REGISTER + 1;
}
bool validRegister(int num) const {
return num >= REGNO_HPPA_PC && num <= REGNO_HPPA_R31;
}
uint64_t getRegister(int num) const {
assert(validRegister(num));
return reg[num];
}
void setRegister(int num, uint64_t value) {
assert(validRegister(num));
reg[num] = value;
}
uint64_t getIP() const { return reg[REGNO_HPPA_PC]; }
void setIP(uint64_t value) { reg[REGNO_HPPA_PC] = value; }
uint64_t getSP() const { return reg[REGNO_HPPA_R30]; }
void setSP(uint64_t value) { reg[REGNO_HPPA_R30] = value; }
bool validFloatVectorRegister(int num) const {
return num >= REGNO_HPPA_FR4L && num <= REGNO_HPPA_FR31H;
}
void copyFloatVectorRegister(int num, uint64_t addr_) {
assert(validFloatVectorRegister(num));
const void *addr = reinterpret_cast<const void *>(addr_);
memcpy(fpreg + (num - REGNO_HPPA_FR4L), addr, sizeof(fpreg[0]));
}
__dso_hidden void jumpto() const __dead;
private:
uint32_t reg[REGNO_HPPA_R31 + 1];
uint32_t fpreg[56];
};
enum {
DWARF_MIPS_R1 = 0,
DWARF_MIPS_R31 = 31,
DWARF_MIPS_F0 = 32,
DWARF_MIPS_F31 = 63,
REGNO_MIPS_PC = 0,
REGNO_MIPS_R1 = 0,
REGNO_MIPS_R29 = 29,
REGNO_MIPS_R31 = 31,
REGNO_MIPS_F0 = 33,
REGNO_MIPS_F31 = 64
};
class Registers_MIPS {
public:
enum {
LAST_REGISTER = REGNO_MIPS_F31,
LAST_RESTORE_REG = REGNO_MIPS_F31,
RETURN_OFFSET = 0,
};
__dso_hidden Registers_MIPS();
static int dwarf2regno(int num) {
if (num >= DWARF_MIPS_R1 && num <= DWARF_MIPS_R31)
return REGNO_MIPS_R1 + (num - DWARF_MIPS_R1);
if (num >= DWARF_MIPS_F0 && num <= DWARF_MIPS_F31)
return REGNO_MIPS_F0 + (num - DWARF_MIPS_F0);
return LAST_REGISTER + 1;
}
bool validRegister(int num) const {
return num >= REGNO_MIPS_PC && num <= REGNO_MIPS_R31;
}
uint64_t getRegister(int num) const {
assert(validRegister(num));
return reg[num];
}
void setRegister(int num, uint64_t value) {
assert(validRegister(num));
reg[num] = value;
}
uint64_t getIP() const { return reg[REGNO_MIPS_PC]; }
void setIP(uint64_t value) { reg[REGNO_MIPS_PC] = value; }
uint64_t getSP() const { return reg[REGNO_MIPS_R29]; }
void setSP(uint64_t value) { reg[REGNO_MIPS_R29] = value; }
bool validFloatVectorRegister(int num) const {
return num >= DWARF_MIPS_F0 && num <= DWARF_MIPS_F31;
}
void copyFloatVectorRegister(int num, uint64_t addr_) {
assert(validFloatVectorRegister(num));
const void *addr = reinterpret_cast<const void *>(addr_);
memcpy(fpreg + (num - REGNO_MIPS_F0), addr, sizeof(fpreg[0]));
}
__dso_hidden void jumpto() const __dead;
private:
uint32_t reg[REGNO_MIPS_R31 + 1];
uint64_t fpreg[32];
};
enum {
DWARF_MIPS64_R1 = 0,
DWARF_MIPS64_R31 = 31,
DWARF_MIPS64_F0 = 32,
DWARF_MIPS64_F31 = 63,
REGNO_MIPS64_PC = 0,
REGNO_MIPS64_R1 = 0,
REGNO_MIPS64_R29 = 29,
REGNO_MIPS64_R31 = 31,
REGNO_MIPS64_F0 = 33,
REGNO_MIPS64_F31 = 64
};
class Registers_MIPS64 {
public:
enum {
LAST_REGISTER = REGNO_MIPS64_F31,
LAST_RESTORE_REG = REGNO_MIPS64_F31,
RETURN_OFFSET = 0,
};
__dso_hidden Registers_MIPS64();
static int dwarf2regno(int num) {
if (num >= DWARF_MIPS64_R1 && num <= DWARF_MIPS64_R31)
return REGNO_MIPS64_R1 + (num - DWARF_MIPS64_R1);
if (num >= DWARF_MIPS64_F0 && num <= DWARF_MIPS64_F31)
return REGNO_MIPS64_F0 + (num - DWARF_MIPS64_F0);
return LAST_REGISTER + 1;
}
bool validRegister(int num) const {
return num >= REGNO_MIPS64_PC && num <= REGNO_MIPS64_R31;
}
uint64_t getRegister(int num) const {
assert(validRegister(num));
return reg[num];
}
void setRegister(int num, uint64_t value) {
assert(validRegister(num));
reg[num] = value;
}
uint64_t getIP() const { return reg[REGNO_MIPS64_PC]; }
void setIP(uint64_t value) { reg[REGNO_MIPS64_PC] = value; }
uint64_t getSP() const { return reg[REGNO_MIPS64_R29]; }
void setSP(uint64_t value) { reg[REGNO_MIPS64_R29] = value; }
bool validFloatVectorRegister(int num) const {
return num >= DWARF_MIPS64_F0 && num <= DWARF_MIPS64_F31;
}
void copyFloatVectorRegister(int num, uint64_t addr_) {
assert(validFloatVectorRegister(num));
const void *addr = reinterpret_cast<const void *>(addr_);
memcpy(fpreg + (num - REGNO_MIPS64_F0), addr, sizeof(fpreg[0]));
}
__dso_hidden void jumpto() const __dead;
private:
uint64_t reg[REGNO_MIPS64_R31 + 1];
uint64_t fpreg[32];
};
#if __i386__
typedef Registers_x86 NativeUnwindRegisters;
#elif __x86_64__
typedef Registers_x86_64 NativeUnwindRegisters;
#elif __powerpc__
typedef Registers_ppc32 NativeUnwindRegisters;
#elif __arm__
typedef Registers_arm32 NativeUnwindRegisters;
#elif __vax__
typedef Registers_vax NativeUnwindRegisters;
#elif __m68k__
typedef Registers_M68K NativeUnwindRegisters;
#elif __mips_n64 || __mips_n32
typedef Registers_MIPS64 NativeUnwindRegisters;
#elif __mips__
typedef Registers_MIPS NativeUnwindRegisters;
#elif __sh3__
typedef Registers_SH3 NativeUnwindRegisters;
#elif __sparc64__
typedef Registers_SPARC64 NativeUnwindRegisters;
#elif __sparc__
typedef Registers_SPARC NativeUnwindRegisters;
#elif __alpha__
typedef Registers_Alpha NativeUnwindRegisters;
#elif __hppa__
typedef Registers_HPPA NativeUnwindRegisters;
#endif
} // namespace _Unwind
#endif // __REGISTERS_HPP__