bool
RegisterContextPOSIXProcessMonitor_powerpc::ReadRegister(const RegisterInfo *reg_info, RegisterValue &value)
{
if (!reg_info)
return false;
const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
if (IsFPR(reg))
{
if (!ReadFPR())
return false;
uint8_t *src = (uint8_t *)&m_fpr_powerpc + reg_info->byte_offset;
value.SetUInt64(*(uint64_t*)src);
}
else if (IsGPR(reg))
{
bool success = ReadRegister(reg, value);
if (success)
{
// If our return byte size was greater than the return value reg size, then
// use the type specified by reg_info rather than the uint64_t default
if (value.GetByteSize() > reg_info->byte_size)
value.SetType(reg_info);
}
return success;
}
return false;
}
bool
RegisterContextPOSIXProcessMonitor_x86_64::WriteRegister(const RegisterInfo *reg_info, const RegisterValue &value)
{
const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
if (IsGPR(reg))
return WriteRegister(reg, value);
if (IsFPR(reg, GetFPRType()))
{
switch (reg)
{
default:
if (reg_info->encoding != eEncodingVector)
return false;
if (reg >= fpu_stmm0 && reg <= fpu_stmm7)
::memcpy (m_fpr.xstate.fxsave.stmm[reg - fpu_stmm0].bytes, value.GetBytes(), value.GetByteSize());
if (reg >= fpu_xmm0 && reg <= fpu_xmm15)
::memcpy (m_fpr.xstate.fxsave.xmm[reg - fpu_xmm0].bytes, value.GetBytes(), value.GetByteSize());
if (reg >= fpu_ymm0 && reg <= fpu_ymm15) {
if (GetFPRType() != eXSAVE)
return false; // the target processor does not support AVX
// Store ymm register content, and split into the register halves in xmm.bytes and ymmh.bytes
::memcpy (m_ymm_set.ymm[reg - fpu_ymm0].bytes, value.GetBytes(), value.GetByteSize());
if (false == CopyYMMtoXSTATE(reg, GetByteOrder()))
return false;
}
break;
case fpu_dp:
m_fpr.xstate.fxsave.dp = value.GetAsUInt64();
break;
case fpu_fcw:
m_fpr.xstate.fxsave.fcw = value.GetAsUInt16();
break;
case fpu_fsw:
m_fpr.xstate.fxsave.fsw = value.GetAsUInt16();
break;
case fpu_ip:
m_fpr.xstate.fxsave.ip = value.GetAsUInt64();
break;
case fpu_fop:
m_fpr.xstate.fxsave.fop = value.GetAsUInt16();
break;
case fpu_ftw:
m_fpr.xstate.fxsave.ftw = value.GetAsUInt16();
break;
case fpu_mxcsr:
m_fpr.xstate.fxsave.mxcsr = value.GetAsUInt32();
break;
case fpu_mxcsrmask:
m_fpr.xstate.fxsave.mxcsrmask = value.GetAsUInt32();
break;
}
if (WriteFPR())
{
if (IsAVX(reg))
return CopyYMMtoXSTATE(reg, GetByteOrder());
return true;
}
}
return false;
}
bool
RegisterContextPOSIXProcessMonitor_x86_64::ReadRegister(const RegisterInfo *reg_info, RegisterValue &value)
{
if (!reg_info)
return false;
const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
if (IsFPR(reg, GetFPRType()))
{
if (!ReadFPR())
return false;
}
else
{
bool success = ReadRegister(reg, value);
// If an i386 register should be parsed from an x86_64 register...
if (success && reg >= k_first_i386 && reg <= k_last_i386)
if (value.GetByteSize() > reg_info->byte_size)
value.SetType(reg_info); // ...use the type specified by reg_info rather than the uint64_t default
return success;
}
if (reg_info->encoding == eEncodingVector)
{
ByteOrder byte_order = GetByteOrder();
if (byte_order != ByteOrder::eByteOrderInvalid)
{
if (reg >= fpu_stmm0 && reg <= fpu_stmm7)
value.SetBytes(m_fpr.xstate.fxsave.stmm[reg - fpu_stmm0].bytes, reg_info->byte_size, byte_order);
if (reg >= fpu_xmm0 && reg <= fpu_xmm15)
value.SetBytes(m_fpr.xstate.fxsave.xmm[reg - fpu_xmm0].bytes, reg_info->byte_size, byte_order);
if (reg >= fpu_ymm0 && reg <= fpu_ymm15)
{
// Concatenate ymm using the register halves in xmm.bytes and ymmh.bytes
if (GetFPRType() == eXSAVE && CopyXSTATEtoYMM(reg, byte_order))
value.SetBytes(m_ymm_set.ymm[reg - fpu_ymm0].bytes, reg_info->byte_size, byte_order);
else
return false;
}
return value.GetType() == RegisterValue::eTypeBytes;
}
return false;
}
// Note that lldb uses slightly different naming conventions from sys/user.h
switch (reg)
{
default:
return false;
case fpu_dp:
value = m_fpr.xstate.fxsave.dp;
break;
case fpu_fcw:
value = m_fpr.xstate.fxsave.fcw;
break;
case fpu_fsw:
value = m_fpr.xstate.fxsave.fsw;
break;
case fpu_ip:
value = m_fpr.xstate.fxsave.ip;
break;
case fpu_fop:
value = m_fpr.xstate.fxsave.fop;
break;
case fpu_ftw:
value = m_fpr.xstate.fxsave.ftw;
break;
case fpu_mxcsr:
value = m_fpr.xstate.fxsave.mxcsr;
break;
case fpu_mxcsrmask:
value = m_fpr.xstate.fxsave.mxcsrmask;
break;
}
return true;
}
bool RegisterContextDarwin_arm64::WriteRegister(const RegisterInfo *reg_info,
const RegisterValue &value) {
const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
int set = GetSetForNativeRegNum(reg);
if (set == -1)
return false;
if (ReadRegisterSet(set, false) != KERN_SUCCESS)
return false;
switch (reg) {
case gpr_x0:
case gpr_x1:
case gpr_x2:
case gpr_x3:
case gpr_x4:
case gpr_x5:
case gpr_x6:
case gpr_x7:
case gpr_x8:
case gpr_x9:
case gpr_x10:
case gpr_x11:
case gpr_x12:
case gpr_x13:
case gpr_x14:
case gpr_x15:
case gpr_x16:
case gpr_x17:
case gpr_x18:
case gpr_x19:
case gpr_x20:
case gpr_x21:
case gpr_x22:
case gpr_x23:
case gpr_x24:
case gpr_x25:
case gpr_x26:
case gpr_x27:
case gpr_x28:
case gpr_fp:
case gpr_sp:
case gpr_lr:
case gpr_pc:
case gpr_cpsr:
gpr.x[reg - gpr_x0] = value.GetAsUInt64();
break;
case fpu_v0:
case fpu_v1:
case fpu_v2:
case fpu_v3:
case fpu_v4:
case fpu_v5:
case fpu_v6:
case fpu_v7:
case fpu_v8:
case fpu_v9:
case fpu_v10:
case fpu_v11:
case fpu_v12:
case fpu_v13:
case fpu_v14:
case fpu_v15:
case fpu_v16:
case fpu_v17:
case fpu_v18:
case fpu_v19:
case fpu_v20:
case fpu_v21:
case fpu_v22:
case fpu_v23:
case fpu_v24:
case fpu_v25:
case fpu_v26:
case fpu_v27:
case fpu_v28:
case fpu_v29:
case fpu_v30:
case fpu_v31:
::memcpy(fpu.v[reg].bytes, value.GetBytes(), value.GetByteSize());
break;
case fpu_fpsr:
fpu.fpsr = value.GetAsUInt32();
break;
case fpu_fpcr:
fpu.fpcr = value.GetAsUInt32();
break;
case exc_exception:
exc.exception = value.GetAsUInt32();
break;
case exc_esr:
exc.esr = value.GetAsUInt32();
break;
case exc_far:
exc.far = value.GetAsUInt64();
break;
default:
return false;
}
return WriteRegisterSet(set) == KERN_SUCCESS;
}
bool
RegisterContextDarwin_x86_64::WriteRegister (const RegisterInfo *reg_info,
const RegisterValue &value)
{
const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
int set = RegisterContextDarwin_x86_64::GetSetForNativeRegNum (reg);
if (set == -1)
return false;
if (ReadRegisterSet(set, false) != 0)
return false;
switch (reg)
{
case gpr_rax:
case gpr_rbx:
case gpr_rcx:
case gpr_rdx:
case gpr_rdi:
case gpr_rsi:
case gpr_rbp:
case gpr_rsp:
case gpr_r8:
case gpr_r9:
case gpr_r10:
case gpr_r11:
case gpr_r12:
case gpr_r13:
case gpr_r14:
case gpr_r15:
case gpr_rip:
case gpr_rflags:
case gpr_cs:
case gpr_fs:
case gpr_gs:
(&gpr.rax)[reg - gpr_rax] = value.GetAsUInt64();
break;
case fpu_fcw:
fpu.fcw = value.GetAsUInt16();
break;
case fpu_fsw:
fpu.fsw = value.GetAsUInt16();
break;
case fpu_ftw:
fpu.ftw = value.GetAsUInt8();
break;
case fpu_fop:
fpu.fop = value.GetAsUInt16();
break;
case fpu_ip:
fpu.ip = value.GetAsUInt32();
break;
case fpu_cs:
fpu.cs = value.GetAsUInt16();
break;
case fpu_dp:
fpu.dp = value.GetAsUInt32();
break;
case fpu_ds:
fpu.ds = value.GetAsUInt16();
break;
case fpu_mxcsr:
fpu.mxcsr = value.GetAsUInt32();
break;
case fpu_mxcsrmask:
fpu.mxcsrmask = value.GetAsUInt32();
break;
case fpu_stmm0:
case fpu_stmm1:
case fpu_stmm2:
case fpu_stmm3:
case fpu_stmm4:
case fpu_stmm5:
case fpu_stmm6:
case fpu_stmm7:
::memcpy (fpu.stmm[reg - fpu_stmm0].bytes, value.GetBytes(), value.GetByteSize());
break;
case fpu_xmm0:
case fpu_xmm1:
case fpu_xmm2:
case fpu_xmm3:
case fpu_xmm4:
case fpu_xmm5:
case fpu_xmm6:
case fpu_xmm7:
case fpu_xmm8:
case fpu_xmm9:
case fpu_xmm10:
case fpu_xmm11:
case fpu_xmm12:
case fpu_xmm13:
case fpu_xmm14:
case fpu_xmm15:
::memcpy (fpu.xmm[reg - fpu_xmm0].bytes, value.GetBytes(), value.GetByteSize());
return false;
case exc_trapno:
exc.trapno = value.GetAsUInt32();
break;
case exc_err:
exc.err = value.GetAsUInt32();
break;
case exc_faultvaddr:
exc.faultvaddr = value.GetAsUInt64();
break;
default:
return false;
}
return WriteRegisterSet(set) == 0;
}
lldb_private::Error
NativeRegisterContextLinux_mips64::ReadRegister (const RegisterInfo *reg_info, RegisterValue ®_value)
{
Error error;
if (!reg_info)
{
error.SetErrorString ("reg_info NULL");
return error;
}
const uint32_t reg = reg_info->kinds[lldb::eRegisterKindLLDB];
if (reg == LLDB_INVALID_REGNUM)
{
// This is likely an internal register for lldb use only and should not be directly queried.
error.SetErrorStringWithFormat ("register \"%s\" is an internal-only lldb register, cannot read directly", reg_info->name);
return error;
}
if (IsMSA(reg) && !IsMSAAvailable())
{
error.SetErrorString ("MSA not available on this processor");
return error;
}
if (IsMSA(reg) || IsFPR(reg))
{
uint8_t *src;
error = ReadCP1();
if (!error.Success())
{
error.SetErrorString ("failed to read co-processor 1 register");
return error;
}
if (IsFPR(reg))
{
assert (reg_info->byte_offset < sizeof(UserArea));
src = (uint8_t *)&m_fpr + reg_info->byte_offset - (sizeof(m_gpr));
}
else
{
assert (reg_info->byte_offset < sizeof(UserArea));
src = (uint8_t *)&m_msa + reg_info->byte_offset - (sizeof(m_gpr) + sizeof(m_fpr));
}
switch (reg_info->byte_size)
{
case 4:
reg_value.SetUInt32(*(uint32_t *)src);
break;
case 8:
reg_value.SetUInt64(*(uint64_t *)src);
break;
case 16:
reg_value.SetBytes((const void *)src, 16, GetByteOrder());
break;
default:
assert(false && "Unhandled data size.");
error.SetErrorStringWithFormat ("unhandled byte size: %" PRIu32, reg_info->byte_size);
break;
}
}
else
{
error = ReadRegisterRaw(reg, reg_value);
if (error.Success())
{
// If our return byte size was greater than the return value reg size, then
// use the type specified by reg_info rather than the uint64_t default
if (reg_value.GetByteSize() > reg_info->byte_size)
reg_value.SetType(reg_info);
}
}
return error;
}
bool
RegisterContextDarwin_i386::WriteRegister (const RegisterInfo *reg_info,
const RegisterValue &value)
{
const uint32_t reg = reg_info->kinds[eRegisterKindLLDB];
int set = GetSetForNativeRegNum (reg);
if (set == -1)
return false;
if (ReadRegisterSet(set, false) != 0)
return false;
switch (reg)
{
case gpr_eax:
case gpr_ebx:
case gpr_ecx:
case gpr_edx:
case gpr_edi:
case gpr_esi:
case gpr_ebp:
case gpr_esp:
case gpr_ss:
case gpr_eflags:
case gpr_eip:
case gpr_cs:
case gpr_ds:
case gpr_es:
case gpr_fs:
case gpr_gs:
(&gpr.eax)[reg - gpr_eax] = value.GetAsUInt32();
break;
case fpu_fcw:
fpu.fcw = value.GetAsUInt16();
break;
case fpu_fsw:
fpu.fsw = value.GetAsUInt16();
break;
case fpu_ftw:
fpu.ftw = value.GetAsUInt8();
break;
case fpu_fop:
fpu.fop = value.GetAsUInt16();
break;
case fpu_ip:
fpu.ip = value.GetAsUInt32();
break;
case fpu_cs:
fpu.cs = value.GetAsUInt16();
break;
case fpu_dp:
fpu.dp = value.GetAsUInt32();
break;
case fpu_ds:
fpu.ds = value.GetAsUInt16();
break;
case fpu_mxcsr:
fpu.mxcsr = value.GetAsUInt32();
break;
case fpu_mxcsrmask:
fpu.mxcsrmask = value.GetAsUInt32();
break;
case fpu_stmm0:
case fpu_stmm1:
case fpu_stmm2:
case fpu_stmm3:
case fpu_stmm4:
case fpu_stmm5:
case fpu_stmm6:
case fpu_stmm7:
// These values don't fit into scalar types, RegisterContext::ReadRegisterBytes()
// must be used for these registers
::memcpy (fpu.stmm[reg - fpu_stmm0].bytes, value.GetBytes(), value.GetByteSize());
return false;
case fpu_xmm0:
case fpu_xmm1:
case fpu_xmm2:
case fpu_xmm3:
case fpu_xmm4:
case fpu_xmm5:
case fpu_xmm6:
case fpu_xmm7:
// These values don't fit into scalar types, RegisterContext::ReadRegisterBytes()
// must be used for these registers
::memcpy (fpu.xmm[reg - fpu_xmm0].bytes, value.GetBytes(), value.GetByteSize());
return false;
case exc_trapno:
exc.trapno = value.GetAsUInt32();
break;
case exc_err:
exc.err = value.GetAsUInt32();
break;
case exc_faultvaddr:
exc.faultvaddr = value.GetAsUInt32();
break;
default:
return false;
}
return WriteRegisterSet(set) == 0;
}