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clang-p2996/lldb/tools/debugserver/source/MacOSX/x86_64/DNBArchImplX86_64.cpp
Johnny Chen a9b68f4dd6 Modify the delegation chain from MachThreadList -> MachThread -> DNBArchProtocol so that when 
the watchpoint state is changed, not only does the change propagate to all the thread instances,
it also updates a global debug state, if chosen by the DNBArchProtocol derivative.

Once implemented, the DNBArchProtocol derivative, also makes sure that when new thread comes along,
it tries to inherit from the global debug state, if it is valid.

Modify TestWatchpointMultipleThreads.py to test this functionality.

llvm-svn: 140811
2011-09-29 21:48:52 +00:00

1842 lines
81 KiB
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//===-- DNBArchImplX86_64.cpp -----------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Created by Greg Clayton on 6/25/07.
//
//===----------------------------------------------------------------------===//
#if defined (__i386__) || defined (__x86_64__)
#include <sys/cdefs.h>
#include "MacOSX/x86_64/DNBArchImplX86_64.h"
#include "DNBLog.h"
#include "MachThread.h"
#include "MachProcess.h"
#include <mach/mach.h>
#include <stdlib.h>
#if defined (LLDB_DEBUGSERVER_RELEASE) || defined (LLDB_DEBUGSERVER_DEBUG)
enum debugState {
debugStateUnknown,
debugStateOff,
debugStateOn
};
static debugState sFPUDebugState = debugStateUnknown;
static debugState sAVXForceState = debugStateUnknown;
static bool DebugFPURegs ()
{
if (sFPUDebugState == debugStateUnknown)
{
if (getenv("DNB_DEBUG_FPU_REGS"))
sFPUDebugState = debugStateOn;
else
sFPUDebugState = debugStateOff;
}
return (sFPUDebugState == debugStateOn);
}
static bool ForceAVXRegs ()
{
if (sFPUDebugState == debugStateUnknown)
{
if (getenv("DNB_DEBUG_X86_FORCE_AVX_REGS"))
sAVXForceState = debugStateOn;
else
sAVXForceState = debugStateOff;
}
return (sAVXForceState == debugStateOn);
}
#define DEBUG_FPU_REGS (DebugFPURegs())
#define FORCE_AVX_REGS (ForceAVXRegs())
#else
#define DEBUG_FPU_REGS (0)
#define FORCE_AVX_REGS (0)
#endif
enum DNBArchImplX86_64::AVXPresence DNBArchImplX86_64::s_has_avx = DNBArchImplX86_64::kAVXNotPresent;
uint64_t
DNBArchImplX86_64::GetPC(uint64_t failValue)
{
// Get program counter
if (GetGPRState(false) == KERN_SUCCESS)
return m_state.context.gpr.__rip;
return failValue;
}
kern_return_t
DNBArchImplX86_64::SetPC(uint64_t value)
{
// Get program counter
kern_return_t err = GetGPRState(false);
if (err == KERN_SUCCESS)
{
m_state.context.gpr.__rip = value;
err = SetGPRState();
}
return err == KERN_SUCCESS;
}
uint64_t
DNBArchImplX86_64::GetSP(uint64_t failValue)
{
// Get stack pointer
if (GetGPRState(false) == KERN_SUCCESS)
return m_state.context.gpr.__rsp;
return failValue;
}
// Uncomment the value below to verify the values in the debugger.
//#define DEBUG_GPR_VALUES 1 // DO NOT CHECK IN WITH THIS DEFINE ENABLED
kern_return_t
DNBArchImplX86_64::GetGPRState(bool force)
{
if (force || m_state.GetError(e_regSetGPR, Read))
{
kern_return_t kret = ::thread_abort_safely(m_thread->ThreadID());
DNBLogThreadedIf (LOG_THREAD, "thread = 0x%4.4x calling thread_abort_safely (tid) => %u (GetGPRState() for stop_count = %u)", m_thread->ThreadID(), kret, m_thread->Process()->StopCount());
#if DEBUG_GPR_VALUES
m_state.context.gpr.__rax = ('a' << 8) + 'x';
m_state.context.gpr.__rbx = ('b' << 8) + 'x';
m_state.context.gpr.__rcx = ('c' << 8) + 'x';
m_state.context.gpr.__rdx = ('d' << 8) + 'x';
m_state.context.gpr.__rdi = ('d' << 8) + 'i';
m_state.context.gpr.__rsi = ('s' << 8) + 'i';
m_state.context.gpr.__rbp = ('b' << 8) + 'p';
m_state.context.gpr.__rsp = ('s' << 8) + 'p';
m_state.context.gpr.__r8 = ('r' << 8) + '8';
m_state.context.gpr.__r9 = ('r' << 8) + '9';
m_state.context.gpr.__r10 = ('r' << 8) + 'a';
m_state.context.gpr.__r11 = ('r' << 8) + 'b';
m_state.context.gpr.__r12 = ('r' << 8) + 'c';
m_state.context.gpr.__r13 = ('r' << 8) + 'd';
m_state.context.gpr.__r14 = ('r' << 8) + 'e';
m_state.context.gpr.__r15 = ('r' << 8) + 'f';
m_state.context.gpr.__rip = ('i' << 8) + 'p';
m_state.context.gpr.__rflags = ('f' << 8) + 'l';
m_state.context.gpr.__cs = ('c' << 8) + 's';
m_state.context.gpr.__fs = ('f' << 8) + 's';
m_state.context.gpr.__gs = ('g' << 8) + 's';
m_state.SetError(e_regSetGPR, Read, 0);
#else
mach_msg_type_number_t count = e_regSetWordSizeGPR;
m_state.SetError(e_regSetGPR, Read, ::thread_get_state(m_thread->ThreadID(), __x86_64_THREAD_STATE, (thread_state_t)&m_state.context.gpr, &count));
DNBLogThreadedIf (LOG_THREAD, "::thread_get_state (0x%4.4x, %u, &gpr, %u) => 0x%8.8x"
"\n\trax = %16.16llx rbx = %16.16llx rcx = %16.16llx rdx = %16.16llx"
"\n\trdi = %16.16llx rsi = %16.16llx rbp = %16.16llx rsp = %16.16llx"
"\n\t r8 = %16.16llx r9 = %16.16llx r10 = %16.16llx r11 = %16.16llx"
"\n\tr12 = %16.16llx r13 = %16.16llx r14 = %16.16llx r15 = %16.16llx"
"\n\trip = %16.16llx"
"\n\tflg = %16.16llx cs = %16.16llx fs = %16.16llx gs = %16.16llx",
m_thread->ThreadID(), x86_THREAD_STATE64, x86_THREAD_STATE64_COUNT,
m_state.GetError(e_regSetGPR, Read),
m_state.context.gpr.__rax,m_state.context.gpr.__rbx,m_state.context.gpr.__rcx,
m_state.context.gpr.__rdx,m_state.context.gpr.__rdi,m_state.context.gpr.__rsi,
m_state.context.gpr.__rbp,m_state.context.gpr.__rsp,m_state.context.gpr.__r8,
m_state.context.gpr.__r9, m_state.context.gpr.__r10,m_state.context.gpr.__r11,
m_state.context.gpr.__r12,m_state.context.gpr.__r13,m_state.context.gpr.__r14,
m_state.context.gpr.__r15,m_state.context.gpr.__rip,m_state.context.gpr.__rflags,
m_state.context.gpr.__cs,m_state.context.gpr.__fs, m_state.context.gpr.__gs);
// DNBLogThreadedIf (LOG_THREAD, "thread_get_state(0x%4.4x, %u, &gpr, %u) => 0x%8.8x"
// "\n\trax = %16.16llx"
// "\n\trbx = %16.16llx"
// "\n\trcx = %16.16llx"
// "\n\trdx = %16.16llx"
// "\n\trdi = %16.16llx"
// "\n\trsi = %16.16llx"
// "\n\trbp = %16.16llx"
// "\n\trsp = %16.16llx"
// "\n\t r8 = %16.16llx"
// "\n\t r9 = %16.16llx"
// "\n\tr10 = %16.16llx"
// "\n\tr11 = %16.16llx"
// "\n\tr12 = %16.16llx"
// "\n\tr13 = %16.16llx"
// "\n\tr14 = %16.16llx"
// "\n\tr15 = %16.16llx"
// "\n\trip = %16.16llx"
// "\n\tflg = %16.16llx"
// "\n\t cs = %16.16llx"
// "\n\t fs = %16.16llx"
// "\n\t gs = %16.16llx",
// m_thread->ThreadID(),
// x86_THREAD_STATE64,
// x86_THREAD_STATE64_COUNT,
// m_state.GetError(e_regSetGPR, Read),
// m_state.context.gpr.__rax,
// m_state.context.gpr.__rbx,
// m_state.context.gpr.__rcx,
// m_state.context.gpr.__rdx,
// m_state.context.gpr.__rdi,
// m_state.context.gpr.__rsi,
// m_state.context.gpr.__rbp,
// m_state.context.gpr.__rsp,
// m_state.context.gpr.__r8,
// m_state.context.gpr.__r9,
// m_state.context.gpr.__r10,
// m_state.context.gpr.__r11,
// m_state.context.gpr.__r12,
// m_state.context.gpr.__r13,
// m_state.context.gpr.__r14,
// m_state.context.gpr.__r15,
// m_state.context.gpr.__rip,
// m_state.context.gpr.__rflags,
// m_state.context.gpr.__cs,
// m_state.context.gpr.__fs,
// m_state.context.gpr.__gs);
#endif
}
return m_state.GetError(e_regSetGPR, Read);
}
// Uncomment the value below to verify the values in the debugger.
//#define DEBUG_FPU_REGS 1 // DO NOT CHECK IN WITH THIS DEFINE ENABLED
kern_return_t
DNBArchImplX86_64::GetFPUState(bool force)
{
if (force || m_state.GetError(e_regSetFPU, Read))
{
if (DEBUG_FPU_REGS) {
if (CPUHasAVX() || FORCE_AVX_REGS)
{
m_state.context.fpu.avx.__fpu_reserved[0] = -1;
m_state.context.fpu.avx.__fpu_reserved[1] = -1;
*(uint16_t *)&(m_state.context.fpu.avx.__fpu_fcw) = 0x1234;
*(uint16_t *)&(m_state.context.fpu.avx.__fpu_fsw) = 0x5678;
m_state.context.fpu.avx.__fpu_ftw = 1;
m_state.context.fpu.avx.__fpu_rsrv1 = UINT8_MAX;
m_state.context.fpu.avx.__fpu_fop = 2;
m_state.context.fpu.avx.__fpu_ip = 3;
m_state.context.fpu.avx.__fpu_cs = 4;
m_state.context.fpu.avx.__fpu_rsrv2 = 5;
m_state.context.fpu.avx.__fpu_dp = 6;
m_state.context.fpu.avx.__fpu_ds = 7;
m_state.context.fpu.avx.__fpu_rsrv3 = UINT16_MAX;
m_state.context.fpu.avx.__fpu_mxcsr = 8;
m_state.context.fpu.avx.__fpu_mxcsrmask = 9;
int i;
for (i=0; i<16; ++i)
{
if (i<10)
{
m_state.context.fpu.avx.__fpu_stmm0.__mmst_reg[i] = 'a';
m_state.context.fpu.avx.__fpu_stmm1.__mmst_reg[i] = 'b';
m_state.context.fpu.avx.__fpu_stmm2.__mmst_reg[i] = 'c';
m_state.context.fpu.avx.__fpu_stmm3.__mmst_reg[i] = 'd';
m_state.context.fpu.avx.__fpu_stmm4.__mmst_reg[i] = 'e';
m_state.context.fpu.avx.__fpu_stmm5.__mmst_reg[i] = 'f';
m_state.context.fpu.avx.__fpu_stmm6.__mmst_reg[i] = 'g';
m_state.context.fpu.avx.__fpu_stmm7.__mmst_reg[i] = 'h';
}
else
{
m_state.context.fpu.avx.__fpu_stmm0.__mmst_reg[i] = INT8_MIN;
m_state.context.fpu.avx.__fpu_stmm1.__mmst_reg[i] = INT8_MIN;
m_state.context.fpu.avx.__fpu_stmm2.__mmst_reg[i] = INT8_MIN;
m_state.context.fpu.avx.__fpu_stmm3.__mmst_reg[i] = INT8_MIN;
m_state.context.fpu.avx.__fpu_stmm4.__mmst_reg[i] = INT8_MIN;
m_state.context.fpu.avx.__fpu_stmm5.__mmst_reg[i] = INT8_MIN;
m_state.context.fpu.avx.__fpu_stmm6.__mmst_reg[i] = INT8_MIN;
m_state.context.fpu.avx.__fpu_stmm7.__mmst_reg[i] = INT8_MIN;
}
m_state.context.fpu.avx.__fpu_xmm0.__xmm_reg[i] = '0';
m_state.context.fpu.avx.__fpu_xmm1.__xmm_reg[i] = '1';
m_state.context.fpu.avx.__fpu_xmm2.__xmm_reg[i] = '2';
m_state.context.fpu.avx.__fpu_xmm3.__xmm_reg[i] = '3';
m_state.context.fpu.avx.__fpu_xmm4.__xmm_reg[i] = '4';
m_state.context.fpu.avx.__fpu_xmm5.__xmm_reg[i] = '5';
m_state.context.fpu.avx.__fpu_xmm6.__xmm_reg[i] = '6';
m_state.context.fpu.avx.__fpu_xmm7.__xmm_reg[i] = '7';
m_state.context.fpu.avx.__fpu_xmm8.__xmm_reg[i] = '8';
m_state.context.fpu.avx.__fpu_xmm9.__xmm_reg[i] = '9';
m_state.context.fpu.avx.__fpu_xmm10.__xmm_reg[i] = 'A';
m_state.context.fpu.avx.__fpu_xmm11.__xmm_reg[i] = 'B';
m_state.context.fpu.avx.__fpu_xmm12.__xmm_reg[i] = 'C';
m_state.context.fpu.avx.__fpu_xmm13.__xmm_reg[i] = 'D';
m_state.context.fpu.avx.__fpu_xmm14.__xmm_reg[i] = 'E';
m_state.context.fpu.avx.__fpu_xmm15.__xmm_reg[i] = 'F';
m_state.context.fpu.avx.__fpu_ymmh0.__xmm_reg[i] = '0';
m_state.context.fpu.avx.__fpu_ymmh1.__xmm_reg[i] = '1';
m_state.context.fpu.avx.__fpu_ymmh2.__xmm_reg[i] = '2';
m_state.context.fpu.avx.__fpu_ymmh3.__xmm_reg[i] = '3';
m_state.context.fpu.avx.__fpu_ymmh4.__xmm_reg[i] = '4';
m_state.context.fpu.avx.__fpu_ymmh5.__xmm_reg[i] = '5';
m_state.context.fpu.avx.__fpu_ymmh6.__xmm_reg[i] = '6';
m_state.context.fpu.avx.__fpu_ymmh7.__xmm_reg[i] = '7';
m_state.context.fpu.avx.__fpu_ymmh8.__xmm_reg[i] = '8';
m_state.context.fpu.avx.__fpu_ymmh9.__xmm_reg[i] = '9';
m_state.context.fpu.avx.__fpu_ymmh10.__xmm_reg[i] = 'A';
m_state.context.fpu.avx.__fpu_ymmh11.__xmm_reg[i] = 'B';
m_state.context.fpu.avx.__fpu_ymmh12.__xmm_reg[i] = 'C';
m_state.context.fpu.avx.__fpu_ymmh13.__xmm_reg[i] = 'D';
m_state.context.fpu.avx.__fpu_ymmh14.__xmm_reg[i] = 'E';
m_state.context.fpu.avx.__fpu_ymmh15.__xmm_reg[i] = 'F';
}
for (i=0; i<sizeof(m_state.context.fpu.avx.__fpu_rsrv4); ++i)
m_state.context.fpu.avx.__fpu_rsrv4[i] = INT8_MIN;
m_state.context.fpu.avx.__fpu_reserved1 = -1;
for (i=0; i<sizeof(m_state.context.fpu.avx.__avx_reserved1); ++i)
m_state.context.fpu.avx.__avx_reserved1[i] = INT8_MIN;
m_state.SetError(e_regSetFPU, Read, 0);
}
else
{
m_state.context.fpu.no_avx.__fpu_reserved[0] = -1;
m_state.context.fpu.no_avx.__fpu_reserved[1] = -1;
*(uint16_t *)&(m_state.context.fpu.no_avx.__fpu_fcw) = 0x1234;
*(uint16_t *)&(m_state.context.fpu.no_avx.__fpu_fsw) = 0x5678;
m_state.context.fpu.no_avx.__fpu_ftw = 1;
m_state.context.fpu.no_avx.__fpu_rsrv1 = UINT8_MAX;
m_state.context.fpu.no_avx.__fpu_fop = 2;
m_state.context.fpu.no_avx.__fpu_ip = 3;
m_state.context.fpu.no_avx.__fpu_cs = 4;
m_state.context.fpu.no_avx.__fpu_rsrv2 = 5;
m_state.context.fpu.no_avx.__fpu_dp = 6;
m_state.context.fpu.no_avx.__fpu_ds = 7;
m_state.context.fpu.no_avx.__fpu_rsrv3 = UINT16_MAX;
m_state.context.fpu.no_avx.__fpu_mxcsr = 8;
m_state.context.fpu.no_avx.__fpu_mxcsrmask = 9;
int i;
for (i=0; i<16; ++i)
{
if (i<10)
{
m_state.context.fpu.no_avx.__fpu_stmm0.__mmst_reg[i] = 'a';
m_state.context.fpu.no_avx.__fpu_stmm1.__mmst_reg[i] = 'b';
m_state.context.fpu.no_avx.__fpu_stmm2.__mmst_reg[i] = 'c';
m_state.context.fpu.no_avx.__fpu_stmm3.__mmst_reg[i] = 'd';
m_state.context.fpu.no_avx.__fpu_stmm4.__mmst_reg[i] = 'e';
m_state.context.fpu.no_avx.__fpu_stmm5.__mmst_reg[i] = 'f';
m_state.context.fpu.no_avx.__fpu_stmm6.__mmst_reg[i] = 'g';
m_state.context.fpu.no_avx.__fpu_stmm7.__mmst_reg[i] = 'h';
}
else
{
m_state.context.fpu.no_avx.__fpu_stmm0.__mmst_reg[i] = INT8_MIN;
m_state.context.fpu.no_avx.__fpu_stmm1.__mmst_reg[i] = INT8_MIN;
m_state.context.fpu.no_avx.__fpu_stmm2.__mmst_reg[i] = INT8_MIN;
m_state.context.fpu.no_avx.__fpu_stmm3.__mmst_reg[i] = INT8_MIN;
m_state.context.fpu.no_avx.__fpu_stmm4.__mmst_reg[i] = INT8_MIN;
m_state.context.fpu.no_avx.__fpu_stmm5.__mmst_reg[i] = INT8_MIN;
m_state.context.fpu.no_avx.__fpu_stmm6.__mmst_reg[i] = INT8_MIN;
m_state.context.fpu.no_avx.__fpu_stmm7.__mmst_reg[i] = INT8_MIN;
}
m_state.context.fpu.no_avx.__fpu_xmm0.__xmm_reg[i] = '0';
m_state.context.fpu.no_avx.__fpu_xmm1.__xmm_reg[i] = '1';
m_state.context.fpu.no_avx.__fpu_xmm2.__xmm_reg[i] = '2';
m_state.context.fpu.no_avx.__fpu_xmm3.__xmm_reg[i] = '3';
m_state.context.fpu.no_avx.__fpu_xmm4.__xmm_reg[i] = '4';
m_state.context.fpu.no_avx.__fpu_xmm5.__xmm_reg[i] = '5';
m_state.context.fpu.no_avx.__fpu_xmm6.__xmm_reg[i] = '6';
m_state.context.fpu.no_avx.__fpu_xmm7.__xmm_reg[i] = '7';
m_state.context.fpu.no_avx.__fpu_xmm8.__xmm_reg[i] = '8';
m_state.context.fpu.no_avx.__fpu_xmm9.__xmm_reg[i] = '9';
m_state.context.fpu.no_avx.__fpu_xmm10.__xmm_reg[i] = 'A';
m_state.context.fpu.no_avx.__fpu_xmm11.__xmm_reg[i] = 'B';
m_state.context.fpu.no_avx.__fpu_xmm12.__xmm_reg[i] = 'C';
m_state.context.fpu.no_avx.__fpu_xmm13.__xmm_reg[i] = 'D';
m_state.context.fpu.no_avx.__fpu_xmm14.__xmm_reg[i] = 'E';
m_state.context.fpu.no_avx.__fpu_xmm15.__xmm_reg[i] = 'F';
}
for (i=0; i<sizeof(m_state.context.fpu.no_avx.__fpu_rsrv4); ++i)
m_state.context.fpu.no_avx.__fpu_rsrv4[i] = INT8_MIN;
m_state.context.fpu.no_avx.__fpu_reserved1 = -1;
m_state.SetError(e_regSetFPU, Read, 0);
}
}
else
{
if (CPUHasAVX() || FORCE_AVX_REGS)
{
mach_msg_type_number_t count = e_regSetWordSizeAVX;
m_state.SetError(e_regSetFPU, Read, ::thread_get_state(m_thread->ThreadID(), __x86_64_AVX_STATE, (thread_state_t)&m_state.context.fpu.avx, &count));
DNBLogThreadedIf (LOG_THREAD, "::thread_get_state (0x%4.4x, %u, &avx, %u (%u passed in) carp) => 0x%8.8x",
m_thread->ThreadID(), __x86_64_AVX_STATE, (uint32_t)count,
e_regSetWordSizeAVX, m_state.GetError(e_regSetFPU, Read));
}
else
{
mach_msg_type_number_t count = e_regSetWordSizeFPU;
m_state.SetError(e_regSetFPU, Read, ::thread_get_state(m_thread->ThreadID(), __x86_64_FLOAT_STATE, (thread_state_t)&m_state.context.fpu.no_avx, &count));
DNBLogThreadedIf (LOG_THREAD, "::thread_get_state (0x%4.4x, %u, &fpu, %u (%u passed in) => 0x%8.8x",
m_thread->ThreadID(), __x86_64_FLOAT_STATE, (uint32_t)count,
e_regSetWordSizeFPU, m_state.GetError(e_regSetFPU, Read));
}
}
}
return m_state.GetError(e_regSetFPU, Read);
}
kern_return_t
DNBArchImplX86_64::GetEXCState(bool force)
{
if (force || m_state.GetError(e_regSetEXC, Read))
{
mach_msg_type_number_t count = e_regSetWordSizeEXC;
m_state.SetError(e_regSetEXC, Read, ::thread_get_state(m_thread->ThreadID(), __x86_64_EXCEPTION_STATE, (thread_state_t)&m_state.context.exc, &count));
}
return m_state.GetError(e_regSetEXC, Read);
}
kern_return_t
DNBArchImplX86_64::SetGPRState()
{
kern_return_t kret = ::thread_abort_safely(m_thread->ThreadID());
DNBLogThreadedIf (LOG_THREAD, "thread = 0x%4.4x calling thread_abort_safely (tid) => %u (SetGPRState() for stop_count = %u)", m_thread->ThreadID(), kret, m_thread->Process()->StopCount());
m_state.SetError(e_regSetGPR, Write, ::thread_set_state(m_thread->ThreadID(), __x86_64_THREAD_STATE, (thread_state_t)&m_state.context.gpr, e_regSetWordSizeGPR));
DNBLogThreadedIf (LOG_THREAD, "::thread_set_state (0x%4.4x, %u, &gpr, %u) => 0x%8.8x"
"\n\trax = %16.16llx rbx = %16.16llx rcx = %16.16llx rdx = %16.16llx"
"\n\trdi = %16.16llx rsi = %16.16llx rbp = %16.16llx rsp = %16.16llx"
"\n\t r8 = %16.16llx r9 = %16.16llx r10 = %16.16llx r11 = %16.16llx"
"\n\tr12 = %16.16llx r13 = %16.16llx r14 = %16.16llx r15 = %16.16llx"
"\n\trip = %16.16llx"
"\n\tflg = %16.16llx cs = %16.16llx fs = %16.16llx gs = %16.16llx",
m_thread->ThreadID(), __x86_64_THREAD_STATE, e_regSetWordSizeGPR,
m_state.GetError(e_regSetGPR, Write),
m_state.context.gpr.__rax,m_state.context.gpr.__rbx,m_state.context.gpr.__rcx,
m_state.context.gpr.__rdx,m_state.context.gpr.__rdi,m_state.context.gpr.__rsi,
m_state.context.gpr.__rbp,m_state.context.gpr.__rsp,m_state.context.gpr.__r8,
m_state.context.gpr.__r9, m_state.context.gpr.__r10,m_state.context.gpr.__r11,
m_state.context.gpr.__r12,m_state.context.gpr.__r13,m_state.context.gpr.__r14,
m_state.context.gpr.__r15,m_state.context.gpr.__rip,m_state.context.gpr.__rflags,
m_state.context.gpr.__cs, m_state.context.gpr.__fs, m_state.context.gpr.__gs);
return m_state.GetError(e_regSetGPR, Write);
}
kern_return_t
DNBArchImplX86_64::SetFPUState()
{
if (DEBUG_FPU_REGS)
{
m_state.SetError(e_regSetFPU, Write, 0);
return m_state.GetError(e_regSetFPU, Write);
}
else
{
if (CPUHasAVX() || FORCE_AVX_REGS)
{
m_state.SetError(e_regSetFPU, Write, ::thread_set_state(m_thread->ThreadID(), __x86_64_AVX_STATE, (thread_state_t)&m_state.context.fpu.avx, e_regSetWordSizeAVX));
return m_state.GetError(e_regSetFPU, Write);
}
else
{
m_state.SetError(e_regSetFPU, Write, ::thread_set_state(m_thread->ThreadID(), __x86_64_FLOAT_STATE, (thread_state_t)&m_state.context.fpu.no_avx, e_regSetWordSizeFPU));
return m_state.GetError(e_regSetFPU, Write);
}
}
}
kern_return_t
DNBArchImplX86_64::SetEXCState()
{
m_state.SetError(e_regSetEXC, Write, ::thread_set_state(m_thread->ThreadID(), __x86_64_EXCEPTION_STATE, (thread_state_t)&m_state.context.exc, e_regSetWordSizeEXC));
return m_state.GetError(e_regSetEXC, Write);
}
kern_return_t
DNBArchImplX86_64::GetDBGState(bool force)
{
if (force || m_state.GetError(e_regSetDBG, Read))
{
mach_msg_type_number_t count = e_regSetWordSizeDBG;
m_state.SetError(e_regSetDBG, Read, ::thread_get_state(m_thread->ThreadID(), __x86_64_DEBUG_STATE, (thread_state_t)&m_state.context.dbg, &count));
}
return m_state.GetError(e_regSetDBG, Read);
}
kern_return_t
DNBArchImplX86_64::SetDBGState()
{
m_state.SetError(e_regSetDBG, Write, ::thread_set_state(m_thread->ThreadID(), __x86_64_DEBUG_STATE, (thread_state_t)&m_state.context.dbg, e_regSetWordSizeDBG));
return m_state.GetError(e_regSetDBG, Write);
}
void
DNBArchImplX86_64::ThreadWillResume()
{
// Do we need to step this thread? If so, let the mach thread tell us so.
if (m_thread->IsStepping())
{
// This is the primary thread, let the arch do anything it needs
EnableHardwareSingleStep(true);
}
// Reset the debug status register, if necessary, before we resume.
kern_return_t kret = GetDBGState(false);
DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplX86_64::ThreadWillResume() GetDBGState() => 0x%8.8x.", kret);
if (kret != KERN_SUCCESS)
return;
DBG &debug_state = m_state.context.dbg;
bool need_reset = false;
uint32_t i, num = NumSupportedHardwareWatchpoints();
for (i = 0; i < num; ++i)
if (IsWatchpointHit(debug_state, i))
need_reset = true;
if (need_reset)
{
ClearWatchpointHits(debug_state);
kret = SetDBGState();
DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplX86_64::ThreadWillResume() SetDBGState() => 0x%8.8x.", kret);
}
}
bool
DNBArchImplX86_64::ThreadDidStop()
{
bool success = true;
m_state.InvalidateAllRegisterStates();
// Are we stepping a single instruction?
if (GetGPRState(true) == KERN_SUCCESS)
{
// We are single stepping, was this the primary thread?
if (m_thread->IsStepping())
{
// This was the primary thread, we need to clear the trace
// bit if so.
success = EnableHardwareSingleStep(false) == KERN_SUCCESS;
}
else
{
// The MachThread will automatically restore the suspend count
// in ThreadDidStop(), so we don't need to do anything here if
// we weren't the primary thread the last time
}
}
return success;
}
bool
DNBArchImplX86_64::NotifyException(MachException::Data& exc)
{
switch (exc.exc_type)
{
case EXC_BAD_ACCESS:
break;
case EXC_BAD_INSTRUCTION:
break;
case EXC_ARITHMETIC:
break;
case EXC_EMULATION:
break;
case EXC_SOFTWARE:
break;
case EXC_BREAKPOINT:
if (exc.exc_data.size() >= 2 && exc.exc_data[0] == 2)
{
// exc_code = EXC_I386_BPT
//
nub_addr_t pc = GetPC(INVALID_NUB_ADDRESS);
if (pc != INVALID_NUB_ADDRESS && pc > 0)
{
pc -= 1;
// Check for a breakpoint at one byte prior to the current PC value
// since the PC will be just past the trap.
nub_break_t breakID = m_thread->Process()->Breakpoints().FindIDByAddress(pc);
if (NUB_BREAK_ID_IS_VALID(breakID))
{
// Backup the PC for i386 since the trap was taken and the PC
// is at the address following the single byte trap instruction.
if (m_state.context.gpr.__rip > 0)
{
m_state.context.gpr.__rip = pc;
// Write the new PC back out
SetGPRState ();
}
}
return true;
}
}
else if (exc.exc_data.size() >= 2 && exc.exc_data[0] == 1)
{
// exc_code = EXC_I386_SGL
//
// Check whether this corresponds to a watchpoint hit event.
// If yes, set the exc_sub_code to the data break address.
nub_addr_t addr = 0;
uint32_t hw_index = GetHardwareWatchpointHit(addr);
if (hw_index != INVALID_NUB_HW_INDEX)
{
exc.exc_data[1] = addr;
// Piggyback the hw_index in the exc.data.
exc.exc_data.push_back(hw_index);
}
return true;
}
break;
case EXC_SYSCALL:
break;
case EXC_MACH_SYSCALL:
break;
case EXC_RPC_ALERT:
break;
}
return false;
}
uint32_t
DNBArchImplX86_64::NumSupportedHardwareWatchpoints()
{
// Available debug address registers: dr0, dr1, dr2, dr3.
return 4;
}
static uint32_t
size_and_rw_bits(nub_size_t size, bool read, bool write)
{
uint32_t rw;
if (read) {
rw = 0x3; // READ or READ/WRITE
} else if (write) {
rw = 0x1; // WRITE
} else {
assert(0 && "read and write cannot both be false");
}
switch (size) {
case 1:
return rw;
case 2:
return (0x1 << 2) | rw;
case 4:
return (0x3 << 2) | rw;
case 8:
return (0x2 << 2) | rw;
default:
assert(0 && "invalid size, must be one of 1, 2, 4, or 8");
}
}
void
DNBArchImplX86_64::SetWatchpoint(DBG &debug_state, uint32_t hw_index, nub_addr_t addr, nub_size_t size, bool read, bool write)
{
// Set both dr7 (debug control register) and dri (debug address register).
// dr7{7-0} encodes the local/gloabl enable bits:
// global enable --. .-- local enable
// | |
// v v
// dr0 -> bits{1-0}
// dr1 -> bits{3-2}
// dr2 -> bits{5-4}
// dr3 -> bits{7-6}
//
// dr7{31-16} encodes the rw/len bits:
// b_x+3, b_x+2, b_x+1, b_x
// where bits{x+1, x} => rw
// 0b00: execute, 0b01: write, 0b11: read-or-write, 0b10: io read-or-write (unused)
// and bits{x+3, x+2} => len
// 0b00: 1-byte, 0b01: 2-byte, 0b11: 4-byte, 0b10: 8-byte
//
// dr0 -> bits{19-16}
// dr1 -> bits{23-20}
// dr2 -> bits{27-24}
// dr3 -> bits{31-28}
debug_state.__dr7 |= (1 << (2*hw_index) |
size_and_rw_bits(size, read, write) << (16+4*hw_index));
switch (hw_index) {
case 0:
debug_state.__dr0 = addr; break;
case 1:
debug_state.__dr1 = addr; break;
case 2:
debug_state.__dr2 = addr; break;
case 3:
debug_state.__dr3 = addr; break;
default:
assert(0 && "invalid hardware register index, must be one of 0, 1, 2, or 3");
}
return;
}
void
DNBArchImplX86_64::ClearWatchpoint(DBG &debug_state, uint32_t hw_index)
{
debug_state.__dr7 &= ~(3 << (2*hw_index));
switch (hw_index) {
case 0:
debug_state.__dr0 = 0; break;
case 1:
debug_state.__dr1 = 0; break;
case 2:
debug_state.__dr2 = 0; break;
case 3:
debug_state.__dr3 = 0; break;
default:
assert(0 && "invalid hardware register index, must be one of 0, 1, 2, or 3");
}
return;
}
bool
DNBArchImplX86_64::IsWatchpointVacant(const DBG &debug_state, uint32_t hw_index)
{
// Check dr7 (debug control register) for local/global enable bits:
// global enable --. .-- local enable
// | |
// v v
// dr0 -> bits{1-0}
// dr1 -> bits{3-2}
// dr2 -> bits{5-4}
// dr3 -> bits{7-6}
return (debug_state.__dr7 & (3 << (2*hw_index))) == 0;
}
// Resets local copy of debug status register to wait for the next debug excpetion.
void
DNBArchImplX86_64::ClearWatchpointHits(DBG &debug_state)
{
// See also IsWatchpointHit().
debug_state.__dr6 = 0;
return;
}
bool
DNBArchImplX86_64::IsWatchpointHit(const DBG &debug_state, uint32_t hw_index)
{
// Check dr6 (debug status register) whether a watchpoint hits:
// is watchpoint hit?
// |
// v
// dr0 -> bits{0}
// dr1 -> bits{1}
// dr2 -> bits{2}
// dr3 -> bits{3}
return (debug_state.__dr6 & (1 << hw_index));
}
nub_addr_t
DNBArchImplX86_64::GetWatchAddress(const DBG &debug_state, uint32_t hw_index)
{
switch (hw_index) {
case 0:
return debug_state.__dr0;
case 1:
return debug_state.__dr1;
case 2:
return debug_state.__dr2;
case 3:
return debug_state.__dr3;
default:
assert(0 && "invalid hardware register index, must be one of 0, 1, 2, or 3");
}
}
uint32_t
DNBArchImplX86_64::EnableHardwareWatchpoint (nub_addr_t addr, nub_size_t size, bool read, bool write)
{
DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplX86_64::EnableHardwareWatchpoint(addr = %8.8p, size = %u, read = %u, write = %u)", addr, size, read, write);
const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints();
// Can only watch 1, 2, 4, or 8 bytes.
if (!(size == 1 || size == 2 || size == 4 || size == 8))
return INVALID_NUB_HW_INDEX;
// We must watch for either read or write
if (read == false && write == false)
return INVALID_NUB_HW_INDEX;
// Read the debug state
kern_return_t kret = GetDBGState(false);
if (kret == KERN_SUCCESS)
{
// Check to make sure we have the needed hardware support
uint32_t i = 0;
DBG &debug_state = m_state.context.dbg;
for (i = 0; i < num_hw_watchpoints; ++i)
{
if (IsWatchpointVacant(debug_state, i))
break;
}
// See if we found an available hw breakpoint slot above
if (i < num_hw_watchpoints)
{
// Modify our local copy of the debug state, first.
SetWatchpoint(debug_state, i, addr, size, read, write);
// Now set the watch point in the inferior.
kret = SetDBGState();
DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplX86_64::EnableHardwareWatchpoint() SetDBGState() => 0x%8.8x.", kret);
if (kret == KERN_SUCCESS)
return i;
}
else
{
DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplX86_64::EnableHardwareWatchpoint(): All hardware resources (%u) are in use.", num_hw_watchpoints);
}
}
return INVALID_NUB_HW_INDEX;
}
bool
DNBArchImplX86_64::DisableHardwareWatchpoint (uint32_t hw_index)
{
kern_return_t kret = GetDBGState(false);
const uint32_t num_hw_points = NumSupportedHardwareWatchpoints();
if (kret == KERN_SUCCESS)
{
DBG &debug_state = m_state.context.dbg;
if (hw_index < num_hw_points && !IsWatchpointVacant(debug_state, hw_index))
{
// Modify our local copy of the debug state, first.
ClearWatchpoint(debug_state, hw_index);
// Now disable the watch point in the inferior.
kret = SetDBGState();
DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplX86_64::DisableHardwareWatchpoint( %u )",
hw_index);
if (kret == KERN_SUCCESS)
return true;
}
}
return false;
}
DNBArchImplX86_64::DBG DNBArchImplX86_64::Global_Debug_State = {0,0,0,0,0,0,0,0};
bool DNBArchImplX86_64::Valid_Global_Debug_State = false;
// Use this callback from MachThread, which in turn was called from MachThreadList, to update
// the global view of the hardware watchpoint state, so that when new thread comes along, they
// get to inherit the existing hardware watchpoint state.
void
DNBArchImplX86_64::HardwareWatchpointStateChanged ()
{
Global_Debug_State = m_state.context.dbg;
Valid_Global_Debug_State = true;
}
// Iterate through the debug status register; return the index of the first hit.
uint32_t
DNBArchImplX86_64::GetHardwareWatchpointHit(nub_addr_t &addr)
{
// Read the debug state
kern_return_t kret = GetDBGState(true);
DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplX86_64::GetHardwareWatchpointHit() GetDBGState() => 0x%8.8x.", kret);
if (kret == KERN_SUCCESS)
{
DBG &debug_state = m_state.context.dbg;
uint32_t i, num = NumSupportedHardwareWatchpoints();
for (i = 0; i < num; ++i)
{
if (IsWatchpointHit(debug_state, i))
{
addr = GetWatchAddress(debug_state, i);
DNBLogThreadedIf(LOG_WATCHPOINTS,
"DNBArchImplX86_64::GetHardwareWatchpointHit() found => %u (addr = %8.8p).",
i, addr);
return i;
}
}
}
return INVALID_NUB_HW_INDEX;
}
// Set the single step bit in the processor status register.
kern_return_t
DNBArchImplX86_64::EnableHardwareSingleStep (bool enable)
{
if (GetGPRState(false) == KERN_SUCCESS)
{
const uint32_t trace_bit = 0x100u;
if (enable)
m_state.context.gpr.__rflags |= trace_bit;
else
m_state.context.gpr.__rflags &= ~trace_bit;
return SetGPRState();
}
return m_state.GetError(e_regSetGPR, Read);
}
//----------------------------------------------------------------------
// Register information defintions
//----------------------------------------------------------------------
enum
{
gpr_rax = 0,
gpr_rbx,
gpr_rcx,
gpr_rdx,
gpr_rdi,
gpr_rsi,
gpr_rbp,
gpr_rsp,
gpr_r8,
gpr_r9,
gpr_r10,
gpr_r11,
gpr_r12,
gpr_r13,
gpr_r14,
gpr_r15,
gpr_rip,
gpr_rflags,
gpr_cs,
gpr_fs,
gpr_gs,
k_num_gpr_regs
};
enum {
fpu_fcw,
fpu_fsw,
fpu_ftw,
fpu_fop,
fpu_ip,
fpu_cs,
fpu_dp,
fpu_ds,
fpu_mxcsr,
fpu_mxcsrmask,
fpu_stmm0,
fpu_stmm1,
fpu_stmm2,
fpu_stmm3,
fpu_stmm4,
fpu_stmm5,
fpu_stmm6,
fpu_stmm7,
fpu_xmm0,
fpu_xmm1,
fpu_xmm2,
fpu_xmm3,
fpu_xmm4,
fpu_xmm5,
fpu_xmm6,
fpu_xmm7,
fpu_xmm8,
fpu_xmm9,
fpu_xmm10,
fpu_xmm11,
fpu_xmm12,
fpu_xmm13,
fpu_xmm14,
fpu_xmm15,
fpu_ymm0,
fpu_ymm1,
fpu_ymm2,
fpu_ymm3,
fpu_ymm4,
fpu_ymm5,
fpu_ymm6,
fpu_ymm7,
fpu_ymm8,
fpu_ymm9,
fpu_ymm10,
fpu_ymm11,
fpu_ymm12,
fpu_ymm13,
fpu_ymm14,
fpu_ymm15,
k_num_fpu_regs,
// Aliases
fpu_fctrl = fpu_fcw,
fpu_fstat = fpu_fsw,
fpu_ftag = fpu_ftw,
fpu_fiseg = fpu_cs,
fpu_fioff = fpu_ip,
fpu_foseg = fpu_ds,
fpu_fooff = fpu_dp
};
enum {
exc_trapno,
exc_err,
exc_faultvaddr,
k_num_exc_regs,
};
enum gcc_dwarf_regnums
{
gcc_dwarf_rax = 0,
gcc_dwarf_rdx = 1,
gcc_dwarf_rcx = 2,
gcc_dwarf_rbx = 3,
gcc_dwarf_rsi = 4,
gcc_dwarf_rdi = 5,
gcc_dwarf_rbp = 6,
gcc_dwarf_rsp = 7,
gcc_dwarf_r8,
gcc_dwarf_r9,
gcc_dwarf_r10,
gcc_dwarf_r11,
gcc_dwarf_r12,
gcc_dwarf_r13,
gcc_dwarf_r14,
gcc_dwarf_r15,
gcc_dwarf_rip,
gcc_dwarf_xmm0,
gcc_dwarf_xmm1,
gcc_dwarf_xmm2,
gcc_dwarf_xmm3,
gcc_dwarf_xmm4,
gcc_dwarf_xmm5,
gcc_dwarf_xmm6,
gcc_dwarf_xmm7,
gcc_dwarf_xmm8,
gcc_dwarf_xmm9,
gcc_dwarf_xmm10,
gcc_dwarf_xmm11,
gcc_dwarf_xmm12,
gcc_dwarf_xmm13,
gcc_dwarf_xmm14,
gcc_dwarf_xmm15,
gcc_dwarf_stmm0,
gcc_dwarf_stmm1,
gcc_dwarf_stmm2,
gcc_dwarf_stmm3,
gcc_dwarf_stmm4,
gcc_dwarf_stmm5,
gcc_dwarf_stmm6,
gcc_dwarf_stmm7,
gcc_dwarf_ymm0 = gcc_dwarf_xmm0,
gcc_dwarf_ymm1 = gcc_dwarf_xmm1,
gcc_dwarf_ymm2 = gcc_dwarf_xmm2,
gcc_dwarf_ymm3 = gcc_dwarf_xmm3,
gcc_dwarf_ymm4 = gcc_dwarf_xmm4,
gcc_dwarf_ymm5 = gcc_dwarf_xmm5,
gcc_dwarf_ymm6 = gcc_dwarf_xmm6,
gcc_dwarf_ymm7 = gcc_dwarf_xmm7,
gcc_dwarf_ymm8 = gcc_dwarf_xmm8,
gcc_dwarf_ymm9 = gcc_dwarf_xmm9,
gcc_dwarf_ymm10 = gcc_dwarf_xmm10,
gcc_dwarf_ymm11 = gcc_dwarf_xmm11,
gcc_dwarf_ymm12 = gcc_dwarf_xmm12,
gcc_dwarf_ymm13 = gcc_dwarf_xmm13,
gcc_dwarf_ymm14 = gcc_dwarf_xmm14,
gcc_dwarf_ymm15 = gcc_dwarf_xmm15
};
enum gdb_regnums
{
gdb_rax = 0,
gdb_rbx = 1,
gdb_rcx = 2,
gdb_rdx = 3,
gdb_rsi = 4,
gdb_rdi = 5,
gdb_rbp = 6,
gdb_rsp = 7,
gdb_r8 = 8,
gdb_r9 = 9,
gdb_r10 = 10,
gdb_r11 = 11,
gdb_r12 = 12,
gdb_r13 = 13,
gdb_r14 = 14,
gdb_r15 = 15,
gdb_rip = 16,
gdb_rflags = 17,
gdb_cs = 18,
gdb_ss = 19,
gdb_ds = 20,
gdb_es = 21,
gdb_fs = 22,
gdb_gs = 23,
gdb_stmm0 = 24,
gdb_stmm1 = 25,
gdb_stmm2 = 26,
gdb_stmm3 = 27,
gdb_stmm4 = 28,
gdb_stmm5 = 29,
gdb_stmm6 = 30,
gdb_stmm7 = 31,
gdb_fctrl = 32, gdb_fcw = gdb_fctrl,
gdb_fstat = 33, gdb_fsw = gdb_fstat,
gdb_ftag = 34, gdb_ftw = gdb_ftag,
gdb_fiseg = 35, gdb_fpu_cs = gdb_fiseg,
gdb_fioff = 36, gdb_ip = gdb_fioff,
gdb_foseg = 37, gdb_fpu_ds = gdb_foseg,
gdb_fooff = 38, gdb_dp = gdb_fooff,
gdb_fop = 39,
gdb_xmm0 = 40,
gdb_xmm1 = 41,
gdb_xmm2 = 42,
gdb_xmm3 = 43,
gdb_xmm4 = 44,
gdb_xmm5 = 45,
gdb_xmm6 = 46,
gdb_xmm7 = 47,
gdb_xmm8 = 48,
gdb_xmm9 = 49,
gdb_xmm10 = 50,
gdb_xmm11 = 51,
gdb_xmm12 = 52,
gdb_xmm13 = 53,
gdb_xmm14 = 54,
gdb_xmm15 = 55,
gdb_mxcsr = 56,
gdb_ymm0 = gdb_xmm0,
gdb_ymm1 = gdb_xmm1,
gdb_ymm2 = gdb_xmm2,
gdb_ymm3 = gdb_xmm3,
gdb_ymm4 = gdb_xmm4,
gdb_ymm5 = gdb_xmm5,
gdb_ymm6 = gdb_xmm6,
gdb_ymm7 = gdb_xmm7,
gdb_ymm8 = gdb_xmm8,
gdb_ymm9 = gdb_xmm9,
gdb_ymm10 = gdb_xmm10,
gdb_ymm11 = gdb_xmm11,
gdb_ymm12 = gdb_xmm12,
gdb_ymm13 = gdb_xmm13,
gdb_ymm14 = gdb_xmm14,
gdb_ymm15 = gdb_xmm15
};
#define GPR_OFFSET(reg) (offsetof (DNBArchImplX86_64::GPR, __##reg))
#define FPU_OFFSET(reg) (offsetof (DNBArchImplX86_64::FPU, __fpu_##reg) + offsetof (DNBArchImplX86_64::Context, fpu.no_avx))
#define AVX_OFFSET(reg) (offsetof (DNBArchImplX86_64::AVX, __fpu_##reg) + offsetof (DNBArchImplX86_64::Context, fpu.avx))
#define EXC_OFFSET(reg) (offsetof (DNBArchImplX86_64::EXC, __##reg) + offsetof (DNBArchImplX86_64::Context, exc))
// This does not accurately identify the location of ymm0...7 in
// Context.fpu.avx. That is because there is a bunch of padding
// in Context.fpu.avx that we don't need. Offset macros lay out
// the register state that Debugserver transmits to the debugger
// -- not to interpret the thread_get_state info.
#define AVX_OFFSET_YMM(n) (AVX_OFFSET(xmm7) + FPU_SIZE_XMM(xmm7) + (32 * n))
#define GPR_SIZE(reg) (sizeof(((DNBArchImplX86_64::GPR *)NULL)->__##reg))
#define FPU_SIZE_UINT(reg) (sizeof(((DNBArchImplX86_64::FPU *)NULL)->__fpu_##reg))
#define FPU_SIZE_MMST(reg) (sizeof(((DNBArchImplX86_64::FPU *)NULL)->__fpu_##reg.__mmst_reg))
#define FPU_SIZE_XMM(reg) (sizeof(((DNBArchImplX86_64::FPU *)NULL)->__fpu_##reg.__xmm_reg))
#define FPU_SIZE_YMM(reg) (32)
#define EXC_SIZE(reg) (sizeof(((DNBArchImplX86_64::EXC *)NULL)->__##reg))
// These macros will auto define the register name, alt name, register size,
// register offset, encoding, format and native register. This ensures that
// the register state structures are defined correctly and have the correct
// sizes and offsets.
#define DEFINE_GPR(reg) { e_regSetGPR, gpr_##reg, #reg, NULL, Uint, Hex, GPR_SIZE(reg), GPR_OFFSET(reg), gcc_dwarf_##reg, gcc_dwarf_##reg, INVALID_NUB_REGNUM, gdb_##reg }
#define DEFINE_GPR_ALT(reg, alt, gen) { e_regSetGPR, gpr_##reg, #reg, alt, Uint, Hex, GPR_SIZE(reg), GPR_OFFSET(reg), gcc_dwarf_##reg, gcc_dwarf_##reg, gen, gdb_##reg }
#define DEFINE_GPR_ALT2(reg, alt) { e_regSetGPR, gpr_##reg, #reg, alt, Uint, Hex, GPR_SIZE(reg), GPR_OFFSET(reg), INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, gdb_##reg }
#define DEFINE_GPR_ALT3(reg, alt, gen) { e_regSetGPR, gpr_##reg, #reg, alt, Uint, Hex, GPR_SIZE(reg), GPR_OFFSET(reg), INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, gen, gdb_##reg }
// General purpose registers for 64 bit
const DNBRegisterInfo
DNBArchImplX86_64::g_gpr_registers[] =
{
DEFINE_GPR (rax),
DEFINE_GPR (rbx),
DEFINE_GPR_ALT (rcx , "arg4", GENERIC_REGNUM_ARG4),
DEFINE_GPR_ALT (rdx , "arg3", GENERIC_REGNUM_ARG3),
DEFINE_GPR_ALT (rdi , "arg1", GENERIC_REGNUM_ARG1),
DEFINE_GPR_ALT (rsi , "arg2", GENERIC_REGNUM_ARG2),
DEFINE_GPR_ALT (rbp , "fp" , GENERIC_REGNUM_FP),
DEFINE_GPR_ALT (rsp , "sp" , GENERIC_REGNUM_SP),
DEFINE_GPR_ALT (r8 , "arg5", GENERIC_REGNUM_ARG5),
DEFINE_GPR_ALT (r9 , "arg6", GENERIC_REGNUM_ARG6),
DEFINE_GPR (r10),
DEFINE_GPR (r11),
DEFINE_GPR (r12),
DEFINE_GPR (r13),
DEFINE_GPR (r14),
DEFINE_GPR (r15),
DEFINE_GPR_ALT (rip , "pc", GENERIC_REGNUM_PC),
DEFINE_GPR_ALT3 (rflags, "flags", GENERIC_REGNUM_FLAGS),
DEFINE_GPR_ALT2 (cs, NULL),
DEFINE_GPR_ALT2 (fs, NULL),
DEFINE_GPR_ALT2 (gs, NULL),
};
// Floating point registers 64 bit
const DNBRegisterInfo
DNBArchImplX86_64::g_fpu_registers_no_avx[] =
{
{ e_regSetFPU, fpu_fcw , "fctrl" , NULL, Uint, Hex, FPU_SIZE_UINT(fcw) , FPU_OFFSET(fcw) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_fsw , "fstat" , NULL, Uint, Hex, FPU_SIZE_UINT(fsw) , FPU_OFFSET(fsw) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_ftw , "ftag" , NULL, Uint, Hex, FPU_SIZE_UINT(ftw) , FPU_OFFSET(ftw) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_fop , "fop" , NULL, Uint, Hex, FPU_SIZE_UINT(fop) , FPU_OFFSET(fop) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_ip , "fioff" , NULL, Uint, Hex, FPU_SIZE_UINT(ip) , FPU_OFFSET(ip) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_cs , "fiseg" , NULL, Uint, Hex, FPU_SIZE_UINT(cs) , FPU_OFFSET(cs) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_dp , "fooff" , NULL, Uint, Hex, FPU_SIZE_UINT(dp) , FPU_OFFSET(dp) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_ds , "foseg" , NULL, Uint, Hex, FPU_SIZE_UINT(ds) , FPU_OFFSET(ds) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_mxcsr , "mxcsr" , NULL, Uint, Hex, FPU_SIZE_UINT(mxcsr) , FPU_OFFSET(mxcsr) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_mxcsrmask, "mxcsrmask" , NULL, Uint, Hex, FPU_SIZE_UINT(mxcsrmask) , FPU_OFFSET(mxcsrmask) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_stmm0, "stmm0", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm0), FPU_OFFSET(stmm0), gcc_dwarf_stmm0, gcc_dwarf_stmm0, -1, gdb_stmm0 },
{ e_regSetFPU, fpu_stmm1, "stmm1", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm1), FPU_OFFSET(stmm1), gcc_dwarf_stmm1, gcc_dwarf_stmm1, -1, gdb_stmm1 },
{ e_regSetFPU, fpu_stmm2, "stmm2", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm2), FPU_OFFSET(stmm2), gcc_dwarf_stmm2, gcc_dwarf_stmm2, -1, gdb_stmm2 },
{ e_regSetFPU, fpu_stmm3, "stmm3", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm3), FPU_OFFSET(stmm3), gcc_dwarf_stmm3, gcc_dwarf_stmm3, -1, gdb_stmm3 },
{ e_regSetFPU, fpu_stmm4, "stmm4", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm4), FPU_OFFSET(stmm4), gcc_dwarf_stmm4, gcc_dwarf_stmm4, -1, gdb_stmm4 },
{ e_regSetFPU, fpu_stmm5, "stmm5", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm5), FPU_OFFSET(stmm5), gcc_dwarf_stmm5, gcc_dwarf_stmm5, -1, gdb_stmm5 },
{ e_regSetFPU, fpu_stmm6, "stmm6", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm6), FPU_OFFSET(stmm6), gcc_dwarf_stmm6, gcc_dwarf_stmm6, -1, gdb_stmm6 },
{ e_regSetFPU, fpu_stmm7, "stmm7", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm7), FPU_OFFSET(stmm7), gcc_dwarf_stmm7, gcc_dwarf_stmm7, -1, gdb_stmm7 },
{ e_regSetFPU, fpu_xmm0 , "xmm0" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm0) , FPU_OFFSET(xmm0) , gcc_dwarf_xmm0 , gcc_dwarf_xmm0 , -1, gdb_xmm0 },
{ e_regSetFPU, fpu_xmm1 , "xmm1" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm1) , FPU_OFFSET(xmm1) , gcc_dwarf_xmm1 , gcc_dwarf_xmm1 , -1, gdb_xmm1 },
{ e_regSetFPU, fpu_xmm2 , "xmm2" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm2) , FPU_OFFSET(xmm2) , gcc_dwarf_xmm2 , gcc_dwarf_xmm2 , -1, gdb_xmm2 },
{ e_regSetFPU, fpu_xmm3 , "xmm3" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm3) , FPU_OFFSET(xmm3) , gcc_dwarf_xmm3 , gcc_dwarf_xmm3 , -1, gdb_xmm3 },
{ e_regSetFPU, fpu_xmm4 , "xmm4" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm4) , FPU_OFFSET(xmm4) , gcc_dwarf_xmm4 , gcc_dwarf_xmm4 , -1, gdb_xmm4 },
{ e_regSetFPU, fpu_xmm5 , "xmm5" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm5) , FPU_OFFSET(xmm5) , gcc_dwarf_xmm5 , gcc_dwarf_xmm5 , -1, gdb_xmm5 },
{ e_regSetFPU, fpu_xmm6 , "xmm6" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm6) , FPU_OFFSET(xmm6) , gcc_dwarf_xmm6 , gcc_dwarf_xmm6 , -1, gdb_xmm6 },
{ e_regSetFPU, fpu_xmm7 , "xmm7" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm7) , FPU_OFFSET(xmm7) , gcc_dwarf_xmm7 , gcc_dwarf_xmm7 , -1, gdb_xmm7 },
{ e_regSetFPU, fpu_xmm8 , "xmm8" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm8) , FPU_OFFSET(xmm8) , gcc_dwarf_xmm8 , gcc_dwarf_xmm8 , -1, gdb_xmm8 },
{ e_regSetFPU, fpu_xmm9 , "xmm9" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm9) , FPU_OFFSET(xmm9) , gcc_dwarf_xmm9 , gcc_dwarf_xmm9 , -1, gdb_xmm9 },
{ e_regSetFPU, fpu_xmm10, "xmm10" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm10) , FPU_OFFSET(xmm10), gcc_dwarf_xmm10, gcc_dwarf_xmm10, -1, gdb_xmm10 },
{ e_regSetFPU, fpu_xmm11, "xmm11" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm11) , FPU_OFFSET(xmm11), gcc_dwarf_xmm11, gcc_dwarf_xmm11, -1, gdb_xmm11 },
{ e_regSetFPU, fpu_xmm12, "xmm12" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm12) , FPU_OFFSET(xmm12), gcc_dwarf_xmm12, gcc_dwarf_xmm12, -1, gdb_xmm12 },
{ e_regSetFPU, fpu_xmm13, "xmm13" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm13) , FPU_OFFSET(xmm13), gcc_dwarf_xmm13, gcc_dwarf_xmm13, -1, gdb_xmm13 },
{ e_regSetFPU, fpu_xmm14, "xmm14" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm14) , FPU_OFFSET(xmm14), gcc_dwarf_xmm14, gcc_dwarf_xmm14, -1, gdb_xmm14 },
{ e_regSetFPU, fpu_xmm15, "xmm15" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm15) , FPU_OFFSET(xmm15), gcc_dwarf_xmm15, gcc_dwarf_xmm15, -1, gdb_xmm15 },
};
const DNBRegisterInfo
DNBArchImplX86_64::g_fpu_registers_avx[] =
{
{ e_regSetFPU, fpu_fcw , "fctrl" , NULL, Uint, Hex, FPU_SIZE_UINT(fcw) , AVX_OFFSET(fcw) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_fsw , "fstat" , NULL, Uint, Hex, FPU_SIZE_UINT(fsw) , AVX_OFFSET(fsw) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_ftw , "ftag" , NULL, Uint, Hex, FPU_SIZE_UINT(ftw) , AVX_OFFSET(ftw) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_fop , "fop" , NULL, Uint, Hex, FPU_SIZE_UINT(fop) , AVX_OFFSET(fop) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_ip , "fioff" , NULL, Uint, Hex, FPU_SIZE_UINT(ip) , AVX_OFFSET(ip) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_cs , "fiseg" , NULL, Uint, Hex, FPU_SIZE_UINT(cs) , AVX_OFFSET(cs) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_dp , "fooff" , NULL, Uint, Hex, FPU_SIZE_UINT(dp) , AVX_OFFSET(dp) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_ds , "foseg" , NULL, Uint, Hex, FPU_SIZE_UINT(ds) , AVX_OFFSET(ds) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_mxcsr , "mxcsr" , NULL, Uint, Hex, FPU_SIZE_UINT(mxcsr) , AVX_OFFSET(mxcsr) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_mxcsrmask, "mxcsrmask" , NULL, Uint, Hex, FPU_SIZE_UINT(mxcsrmask) , AVX_OFFSET(mxcsrmask) , -1, -1, -1, -1 },
{ e_regSetFPU, fpu_stmm0, "stmm0", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm0), AVX_OFFSET(stmm0), gcc_dwarf_stmm0, gcc_dwarf_stmm0, -1, gdb_stmm0 },
{ e_regSetFPU, fpu_stmm1, "stmm1", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm1), AVX_OFFSET(stmm1), gcc_dwarf_stmm1, gcc_dwarf_stmm1, -1, gdb_stmm1 },
{ e_regSetFPU, fpu_stmm2, "stmm2", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm2), AVX_OFFSET(stmm2), gcc_dwarf_stmm2, gcc_dwarf_stmm2, -1, gdb_stmm2 },
{ e_regSetFPU, fpu_stmm3, "stmm3", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm3), AVX_OFFSET(stmm3), gcc_dwarf_stmm3, gcc_dwarf_stmm3, -1, gdb_stmm3 },
{ e_regSetFPU, fpu_stmm4, "stmm4", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm4), AVX_OFFSET(stmm4), gcc_dwarf_stmm4, gcc_dwarf_stmm4, -1, gdb_stmm4 },
{ e_regSetFPU, fpu_stmm5, "stmm5", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm5), AVX_OFFSET(stmm5), gcc_dwarf_stmm5, gcc_dwarf_stmm5, -1, gdb_stmm5 },
{ e_regSetFPU, fpu_stmm6, "stmm6", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm6), AVX_OFFSET(stmm6), gcc_dwarf_stmm6, gcc_dwarf_stmm6, -1, gdb_stmm6 },
{ e_regSetFPU, fpu_stmm7, "stmm7", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm7), AVX_OFFSET(stmm7), gcc_dwarf_stmm7, gcc_dwarf_stmm7, -1, gdb_stmm7 },
{ e_regSetFPU, fpu_xmm0 , "xmm0" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm0) , AVX_OFFSET(xmm0) , gcc_dwarf_xmm0 , gcc_dwarf_xmm0 , -1, gdb_xmm0 },
{ e_regSetFPU, fpu_xmm1 , "xmm1" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm1) , AVX_OFFSET(xmm1) , gcc_dwarf_xmm1 , gcc_dwarf_xmm1 , -1, gdb_xmm1 },
{ e_regSetFPU, fpu_xmm2 , "xmm2" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm2) , AVX_OFFSET(xmm2) , gcc_dwarf_xmm2 , gcc_dwarf_xmm2 , -1, gdb_xmm2 },
{ e_regSetFPU, fpu_xmm3 , "xmm3" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm3) , AVX_OFFSET(xmm3) , gcc_dwarf_xmm3 , gcc_dwarf_xmm3 , -1, gdb_xmm3 },
{ e_regSetFPU, fpu_xmm4 , "xmm4" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm4) , AVX_OFFSET(xmm4) , gcc_dwarf_xmm4 , gcc_dwarf_xmm4 , -1, gdb_xmm4 },
{ e_regSetFPU, fpu_xmm5 , "xmm5" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm5) , AVX_OFFSET(xmm5) , gcc_dwarf_xmm5 , gcc_dwarf_xmm5 , -1, gdb_xmm5 },
{ e_regSetFPU, fpu_xmm6 , "xmm6" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm6) , AVX_OFFSET(xmm6) , gcc_dwarf_xmm6 , gcc_dwarf_xmm6 , -1, gdb_xmm6 },
{ e_regSetFPU, fpu_xmm7 , "xmm7" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm7) , AVX_OFFSET(xmm7) , gcc_dwarf_xmm7 , gcc_dwarf_xmm7 , -1, gdb_xmm7 },
{ e_regSetFPU, fpu_xmm8 , "xmm8" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm8) , AVX_OFFSET(xmm8) , gcc_dwarf_xmm8 , gcc_dwarf_xmm8 , -1, gdb_xmm8 },
{ e_regSetFPU, fpu_xmm9 , "xmm9" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm9) , AVX_OFFSET(xmm9) , gcc_dwarf_xmm9 , gcc_dwarf_xmm9 , -1, gdb_xmm9 },
{ e_regSetFPU, fpu_xmm10, "xmm10" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm10) , AVX_OFFSET(xmm10), gcc_dwarf_xmm10, gcc_dwarf_xmm10, -1, gdb_xmm10 },
{ e_regSetFPU, fpu_xmm11, "xmm11" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm11) , AVX_OFFSET(xmm11), gcc_dwarf_xmm11, gcc_dwarf_xmm11, -1, gdb_xmm11 },
{ e_regSetFPU, fpu_xmm12, "xmm12" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm12) , AVX_OFFSET(xmm12), gcc_dwarf_xmm12, gcc_dwarf_xmm12, -1, gdb_xmm12 },
{ e_regSetFPU, fpu_xmm13, "xmm13" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm13) , AVX_OFFSET(xmm13), gcc_dwarf_xmm13, gcc_dwarf_xmm13, -1, gdb_xmm13 },
{ e_regSetFPU, fpu_xmm14, "xmm14" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm14) , AVX_OFFSET(xmm14), gcc_dwarf_xmm14, gcc_dwarf_xmm14, -1, gdb_xmm14 },
{ e_regSetFPU, fpu_xmm15, "xmm15" , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm15) , AVX_OFFSET(xmm15), gcc_dwarf_xmm15, gcc_dwarf_xmm15, -1, gdb_xmm15 },
{ e_regSetFPU, fpu_ymm0 , "ymm0" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm0) , AVX_OFFSET_YMM(0) , gcc_dwarf_ymm0 , gcc_dwarf_ymm0 , -1, gdb_ymm0 },
{ e_regSetFPU, fpu_ymm1 , "ymm1" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm1) , AVX_OFFSET_YMM(1) , gcc_dwarf_ymm1 , gcc_dwarf_ymm1 , -1, gdb_ymm1 },
{ e_regSetFPU, fpu_ymm2 , "ymm2" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm2) , AVX_OFFSET_YMM(2) , gcc_dwarf_ymm2 , gcc_dwarf_ymm2 , -1, gdb_ymm2 },
{ e_regSetFPU, fpu_ymm3 , "ymm3" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm3) , AVX_OFFSET_YMM(3) , gcc_dwarf_ymm3 , gcc_dwarf_ymm3 , -1, gdb_ymm3 },
{ e_regSetFPU, fpu_ymm4 , "ymm4" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm4) , AVX_OFFSET_YMM(4) , gcc_dwarf_ymm4 , gcc_dwarf_ymm4 , -1, gdb_ymm4 },
{ e_regSetFPU, fpu_ymm5 , "ymm5" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm5) , AVX_OFFSET_YMM(5) , gcc_dwarf_ymm5 , gcc_dwarf_ymm5 , -1, gdb_ymm5 },
{ e_regSetFPU, fpu_ymm6 , "ymm6" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm6) , AVX_OFFSET_YMM(6) , gcc_dwarf_ymm6 , gcc_dwarf_ymm6 , -1, gdb_ymm6 },
{ e_regSetFPU, fpu_ymm7 , "ymm7" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm7) , AVX_OFFSET_YMM(7) , gcc_dwarf_ymm7 , gcc_dwarf_ymm7 , -1, gdb_ymm7 },
{ e_regSetFPU, fpu_ymm8 , "ymm8" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm8) , AVX_OFFSET_YMM(8) , gcc_dwarf_ymm8 , gcc_dwarf_ymm8 , -1, gdb_ymm8 },
{ e_regSetFPU, fpu_ymm9 , "ymm9" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm9) , AVX_OFFSET_YMM(9) , gcc_dwarf_ymm9 , gcc_dwarf_ymm9 , -1, gdb_ymm9 },
{ e_regSetFPU, fpu_ymm10, "ymm10" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm10) , AVX_OFFSET_YMM(10), gcc_dwarf_ymm10, gcc_dwarf_ymm10, -1, gdb_ymm10 },
{ e_regSetFPU, fpu_ymm11, "ymm11" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm11) , AVX_OFFSET_YMM(11), gcc_dwarf_ymm11, gcc_dwarf_ymm11, -1, gdb_ymm11 },
{ e_regSetFPU, fpu_ymm12, "ymm12" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm12) , AVX_OFFSET_YMM(12), gcc_dwarf_ymm12, gcc_dwarf_ymm12, -1, gdb_ymm12 },
{ e_regSetFPU, fpu_ymm13, "ymm13" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm13) , AVX_OFFSET_YMM(13), gcc_dwarf_ymm13, gcc_dwarf_ymm13, -1, gdb_ymm13 },
{ e_regSetFPU, fpu_ymm14, "ymm14" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm14) , AVX_OFFSET_YMM(14), gcc_dwarf_ymm14, gcc_dwarf_ymm14, -1, gdb_ymm14 },
{ e_regSetFPU, fpu_ymm15, "ymm15" , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm15) , AVX_OFFSET_YMM(15), gcc_dwarf_ymm15, gcc_dwarf_ymm15, -1, gdb_ymm15 }
};
// Exception registers
const DNBRegisterInfo
DNBArchImplX86_64::g_exc_registers[] =
{
{ e_regSetEXC, exc_trapno, "trapno" , NULL, Uint, Hex, EXC_SIZE (trapno) , EXC_OFFSET (trapno) , -1, -1, -1, -1 },
{ e_regSetEXC, exc_err, "err" , NULL, Uint, Hex, EXC_SIZE (err) , EXC_OFFSET (err) , -1, -1, -1, -1 },
{ e_regSetEXC, exc_faultvaddr, "faultvaddr", NULL, Uint, Hex, EXC_SIZE (faultvaddr), EXC_OFFSET (faultvaddr) , -1, -1, -1, -1 }
};
// Number of registers in each register set
const size_t DNBArchImplX86_64::k_num_gpr_registers = sizeof(g_gpr_registers)/sizeof(DNBRegisterInfo);
const size_t DNBArchImplX86_64::k_num_fpu_registers_no_avx = sizeof(g_fpu_registers_no_avx)/sizeof(DNBRegisterInfo);
const size_t DNBArchImplX86_64::k_num_fpu_registers_avx = sizeof(g_fpu_registers_avx)/sizeof(DNBRegisterInfo);
const size_t DNBArchImplX86_64::k_num_exc_registers = sizeof(g_exc_registers)/sizeof(DNBRegisterInfo);
const size_t DNBArchImplX86_64::k_num_all_registers_no_avx = k_num_gpr_registers + k_num_fpu_registers_no_avx + k_num_exc_registers;
const size_t DNBArchImplX86_64::k_num_all_registers_avx = k_num_gpr_registers + k_num_fpu_registers_avx + k_num_exc_registers;
//----------------------------------------------------------------------
// Register set definitions. The first definitions at register set index
// of zero is for all registers, followed by other registers sets. The
// register information for the all register set need not be filled in.
//----------------------------------------------------------------------
const DNBRegisterSetInfo
DNBArchImplX86_64::g_reg_sets_no_avx[] =
{
{ "x86_64 Registers", NULL, k_num_all_registers_no_avx },
{ "General Purpose Registers", g_gpr_registers, k_num_gpr_registers },
{ "Floating Point Registers", g_fpu_registers_no_avx, k_num_fpu_registers_no_avx },
{ "Exception State Registers", g_exc_registers, k_num_exc_registers }
};
const DNBRegisterSetInfo
DNBArchImplX86_64::g_reg_sets_avx[] =
{
{ "x86_64 Registers", NULL, k_num_all_registers_avx },
{ "General Purpose Registers", g_gpr_registers, k_num_gpr_registers },
{ "Floating Point Registers", g_fpu_registers_avx, k_num_fpu_registers_avx },
{ "Exception State Registers", g_exc_registers, k_num_exc_registers }
};
// Total number of register sets for this architecture
const size_t DNBArchImplX86_64::k_num_register_sets = sizeof(g_reg_sets_avx)/sizeof(DNBRegisterSetInfo);
DNBArchProtocol *
DNBArchImplX86_64::Create (MachThread *thread)
{
DNBArchImplX86_64 *obj = new DNBArchImplX86_64 (thread);
// When new thread comes along, it tries to inherit from the global debug state, if it is valid.
if (Valid_Global_Debug_State)
{
obj->m_state.context.dbg = Global_Debug_State;
kern_return_t kret = obj->SetDBGState();
DNBLogThreadedIf(LOG_WATCHPOINTS,
"DNBArchImplX86_64::Create() Inherit and SetDBGState() => 0x%8.8x.", kret);
}
return obj;
}
const uint8_t * const
DNBArchImplX86_64::SoftwareBreakpointOpcode (nub_size_t byte_size)
{
static const uint8_t g_breakpoint_opcode[] = { 0xCC };
if (byte_size == 1)
return g_breakpoint_opcode;
return NULL;
}
const DNBRegisterSetInfo *
DNBArchImplX86_64::GetRegisterSetInfo(nub_size_t *num_reg_sets)
{
*num_reg_sets = k_num_register_sets;
if (CPUHasAVX() || FORCE_AVX_REGS)
return g_reg_sets_avx;
else
return g_reg_sets_no_avx;
}
void
DNBArchImplX86_64::Initialize()
{
DNBArchPluginInfo arch_plugin_info =
{
CPU_TYPE_X86_64,
DNBArchImplX86_64::Create,
DNBArchImplX86_64::GetRegisterSetInfo,
DNBArchImplX86_64::SoftwareBreakpointOpcode
};
// Register this arch plug-in with the main protocol class
DNBArchProtocol::RegisterArchPlugin (arch_plugin_info);
}
bool
DNBArchImplX86_64::GetRegisterValue(int set, int reg, DNBRegisterValue *value)
{
if (set == REGISTER_SET_GENERIC)
{
switch (reg)
{
case GENERIC_REGNUM_PC: // Program Counter
set = e_regSetGPR;
reg = gpr_rip;
break;
case GENERIC_REGNUM_SP: // Stack Pointer
set = e_regSetGPR;
reg = gpr_rsp;
break;
case GENERIC_REGNUM_FP: // Frame Pointer
set = e_regSetGPR;
reg = gpr_rbp;
break;
case GENERIC_REGNUM_FLAGS: // Processor flags register
set = e_regSetGPR;
reg = gpr_rflags;
break;
case GENERIC_REGNUM_RA: // Return Address
default:
return false;
}
}
if (GetRegisterState(set, false) != KERN_SUCCESS)
return false;
const DNBRegisterInfo *regInfo = m_thread->GetRegisterInfo(set, reg);
if (regInfo)
{
value->info = *regInfo;
switch (set)
{
case e_regSetGPR:
if (reg < k_num_gpr_registers)
{
value->value.uint64 = ((uint64_t*)(&m_state.context.gpr))[reg];
return true;
}
break;
case e_regSetFPU:
if (CPUHasAVX() || FORCE_AVX_REGS)
{
switch (reg)
{
case fpu_fcw: value->value.uint16 = *((uint16_t *)(&m_state.context.fpu.avx.__fpu_fcw)); return true;
case fpu_fsw: value->value.uint16 = *((uint16_t *)(&m_state.context.fpu.avx.__fpu_fsw)); return true;
case fpu_ftw: value->value.uint8 = m_state.context.fpu.avx.__fpu_ftw; return true;
case fpu_fop: value->value.uint16 = m_state.context.fpu.avx.__fpu_fop; return true;
case fpu_ip: value->value.uint32 = m_state.context.fpu.avx.__fpu_ip; return true;
case fpu_cs: value->value.uint16 = m_state.context.fpu.avx.__fpu_cs; return true;
case fpu_dp: value->value.uint32 = m_state.context.fpu.avx.__fpu_dp; return true;
case fpu_ds: value->value.uint16 = m_state.context.fpu.avx.__fpu_ds; return true;
case fpu_mxcsr: value->value.uint32 = m_state.context.fpu.avx.__fpu_mxcsr; return true;
case fpu_mxcsrmask: value->value.uint32 = m_state.context.fpu.avx.__fpu_mxcsrmask; return true;
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(&value->value.uint8, &m_state.context.fpu.avx.__fpu_stmm0 + (reg - fpu_stmm0), 10);
return true;
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(&value->value.uint8, &m_state.context.fpu.avx.__fpu_xmm0 + (reg - fpu_xmm0), 16);
return true;
case fpu_ymm0:
case fpu_ymm1:
case fpu_ymm2:
case fpu_ymm3:
case fpu_ymm4:
case fpu_ymm5:
case fpu_ymm6:
case fpu_ymm7:
case fpu_ymm8:
case fpu_ymm9:
case fpu_ymm10:
case fpu_ymm11:
case fpu_ymm12:
case fpu_ymm13:
case fpu_ymm14:
case fpu_ymm15:
memcpy(&value->value.uint8, &m_state.context.fpu.avx.__fpu_xmm0 + (reg - fpu_ymm0), 16);
memcpy((&value->value.uint8) + 16, &m_state.context.fpu.avx.__fpu_ymmh0 + (reg - fpu_ymm0), 16);
return true;
}
}
else
{
switch (reg)
{
case fpu_fcw: value->value.uint16 = *((uint16_t *)(&m_state.context.fpu.no_avx.__fpu_fcw)); return true;
case fpu_fsw: value->value.uint16 = *((uint16_t *)(&m_state.context.fpu.no_avx.__fpu_fsw)); return true;
case fpu_ftw: value->value.uint8 = m_state.context.fpu.no_avx.__fpu_ftw; return true;
case fpu_fop: value->value.uint16 = m_state.context.fpu.no_avx.__fpu_fop; return true;
case fpu_ip: value->value.uint32 = m_state.context.fpu.no_avx.__fpu_ip; return true;
case fpu_cs: value->value.uint16 = m_state.context.fpu.no_avx.__fpu_cs; return true;
case fpu_dp: value->value.uint32 = m_state.context.fpu.no_avx.__fpu_dp; return true;
case fpu_ds: value->value.uint16 = m_state.context.fpu.no_avx.__fpu_ds; return true;
case fpu_mxcsr: value->value.uint32 = m_state.context.fpu.no_avx.__fpu_mxcsr; return true;
case fpu_mxcsrmask: value->value.uint32 = m_state.context.fpu.no_avx.__fpu_mxcsrmask; return true;
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(&value->value.uint8, &m_state.context.fpu.no_avx.__fpu_stmm0 + (reg - fpu_stmm0), 10);
return true;
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(&value->value.uint8, &m_state.context.fpu.no_avx.__fpu_xmm0 + (reg - fpu_xmm0), 16);
return true;
}
}
break;
case e_regSetEXC:
switch (reg)
{
case exc_trapno: value->value.uint32 = m_state.context.exc.__trapno; return true;
case exc_err: value->value.uint32 = m_state.context.exc.__err; return true;
case exc_faultvaddr:value->value.uint64 = m_state.context.exc.__faultvaddr; return true;
}
break;
}
}
return false;
}
bool
DNBArchImplX86_64::SetRegisterValue(int set, int reg, const DNBRegisterValue *value)
{
if (set == REGISTER_SET_GENERIC)
{
switch (reg)
{
case GENERIC_REGNUM_PC: // Program Counter
set = e_regSetGPR;
reg = gpr_rip;
break;
case GENERIC_REGNUM_SP: // Stack Pointer
set = e_regSetGPR;
reg = gpr_rsp;
break;
case GENERIC_REGNUM_FP: // Frame Pointer
set = e_regSetGPR;
reg = gpr_rbp;
break;
case GENERIC_REGNUM_FLAGS: // Processor flags register
set = e_regSetGPR;
reg = gpr_rflags;
break;
case GENERIC_REGNUM_RA: // Return Address
default:
return false;
}
}
if (GetRegisterState(set, false) != KERN_SUCCESS)
return false;
bool success = false;
const DNBRegisterInfo *regInfo = m_thread->GetRegisterInfo(set, reg);
if (regInfo)
{
switch (set)
{
case e_regSetGPR:
if (reg < k_num_gpr_registers)
{
((uint64_t*)(&m_state.context.gpr))[reg] = value->value.uint64;
success = true;
}
break;
case e_regSetFPU:
if (CPUHasAVX() || FORCE_AVX_REGS)
{
switch (reg)
{
case fpu_fcw: *((uint16_t *)(&m_state.context.fpu.avx.__fpu_fcw)) = value->value.uint16; success = true; break;
case fpu_fsw: *((uint16_t *)(&m_state.context.fpu.avx.__fpu_fsw)) = value->value.uint16; success = true; break;
case fpu_ftw: m_state.context.fpu.avx.__fpu_ftw = value->value.uint8; success = true; break;
case fpu_fop: m_state.context.fpu.avx.__fpu_fop = value->value.uint16; success = true; break;
case fpu_ip: m_state.context.fpu.avx.__fpu_ip = value->value.uint32; success = true; break;
case fpu_cs: m_state.context.fpu.avx.__fpu_cs = value->value.uint16; success = true; break;
case fpu_dp: m_state.context.fpu.avx.__fpu_dp = value->value.uint32; success = true; break;
case fpu_ds: m_state.context.fpu.avx.__fpu_ds = value->value.uint16; success = true; break;
case fpu_mxcsr: m_state.context.fpu.avx.__fpu_mxcsr = value->value.uint32; success = true; break;
case fpu_mxcsrmask: m_state.context.fpu.avx.__fpu_mxcsrmask = value->value.uint32; success = true; 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 (&m_state.context.fpu.avx.__fpu_stmm0 + (reg - fpu_stmm0), &value->value.uint8, 10);
success = true;
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 (&m_state.context.fpu.avx.__fpu_xmm0 + (reg - fpu_xmm0), &value->value.uint8, 16);
success = true;
break;
case fpu_ymm0:
case fpu_ymm1:
case fpu_ymm2:
case fpu_ymm3:
case fpu_ymm4:
case fpu_ymm5:
case fpu_ymm6:
case fpu_ymm7:
case fpu_ymm8:
case fpu_ymm9:
case fpu_ymm10:
case fpu_ymm11:
case fpu_ymm12:
case fpu_ymm13:
case fpu_ymm14:
case fpu_ymm15:
memcpy(&m_state.context.fpu.avx.__fpu_xmm0 + (reg - fpu_ymm0), &value->value.uint8, 16);
memcpy(&m_state.context.fpu.avx.__fpu_ymmh0 + (reg - fpu_ymm0), (&value->value.uint8) + 16, 16);
return true;
}
}
else
{
switch (reg)
{
case fpu_fcw: *((uint16_t *)(&m_state.context.fpu.no_avx.__fpu_fcw)) = value->value.uint16; success = true; break;
case fpu_fsw: *((uint16_t *)(&m_state.context.fpu.no_avx.__fpu_fsw)) = value->value.uint16; success = true; break;
case fpu_ftw: m_state.context.fpu.no_avx.__fpu_ftw = value->value.uint8; success = true; break;
case fpu_fop: m_state.context.fpu.no_avx.__fpu_fop = value->value.uint16; success = true; break;
case fpu_ip: m_state.context.fpu.no_avx.__fpu_ip = value->value.uint32; success = true; break;
case fpu_cs: m_state.context.fpu.no_avx.__fpu_cs = value->value.uint16; success = true; break;
case fpu_dp: m_state.context.fpu.no_avx.__fpu_dp = value->value.uint32; success = true; break;
case fpu_ds: m_state.context.fpu.no_avx.__fpu_ds = value->value.uint16; success = true; break;
case fpu_mxcsr: m_state.context.fpu.no_avx.__fpu_mxcsr = value->value.uint32; success = true; break;
case fpu_mxcsrmask: m_state.context.fpu.no_avx.__fpu_mxcsrmask = value->value.uint32; success = true; 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 (&m_state.context.fpu.no_avx.__fpu_stmm0 + (reg - fpu_stmm0), &value->value.uint8, 10);
success = true;
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 (&m_state.context.fpu.no_avx.__fpu_xmm0 + (reg - fpu_xmm0), &value->value.uint8, 16);
success = true;
break;
}
}
break;
case e_regSetEXC:
switch (reg)
{
case exc_trapno: m_state.context.exc.__trapno = value->value.uint32; success = true; break;
case exc_err: m_state.context.exc.__err = value->value.uint32; success = true; break;
case exc_faultvaddr:m_state.context.exc.__faultvaddr = value->value.uint64; success = true; break;
}
break;
}
}
if (success)
return SetRegisterState(set) == KERN_SUCCESS;
return false;
}
nub_size_t
DNBArchImplX86_64::GetRegisterContext (void *buf, nub_size_t buf_len)
{
nub_size_t size = sizeof (m_state.context);
if (buf && buf_len)
{
if (size > buf_len)
size = buf_len;
bool force = false;
kern_return_t kret;
if ((kret = GetGPRState(force)) != KERN_SUCCESS)
{
DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::GetRegisterContext (buf = %p, len = %zu) error: GPR regs failed to read: %u ", buf, buf_len, kret);
size = 0;
}
else
if ((kret = GetFPUState(force)) != KERN_SUCCESS)
{
DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::GetRegisterContext (buf = %p, len = %zu) error: %s regs failed to read: %u", buf, buf_len, CPUHasAVX() ? "AVX" : "FPU", kret);
size = 0;
}
else
if ((kret = GetEXCState(force)) != KERN_SUCCESS)
{
DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::GetRegisterContext (buf = %p, len = %zu) error: EXC regs failed to read: %u", buf, buf_len, kret);
size = 0;
}
else
{
// Success
::memcpy (buf, &m_state.context, size);
}
}
DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::GetRegisterContext (buf = %p, len = %zu) => %zu", buf, buf_len, size);
// Return the size of the register context even if NULL was passed in
return size;
}
nub_size_t
DNBArchImplX86_64::SetRegisterContext (const void *buf, nub_size_t buf_len)
{
nub_size_t size = sizeof (m_state.context);
if (buf == NULL || buf_len == 0)
size = 0;
if (size)
{
if (size > buf_len)
size = buf_len;
::memcpy (&m_state.context, buf, size);
kern_return_t kret;
if ((kret = SetGPRState()) != KERN_SUCCESS)
DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::SetRegisterContext (buf = %p, len = %zu) error: GPR regs failed to write: %u", buf, buf_len, kret);
if ((kret = SetFPUState()) != KERN_SUCCESS)
DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::SetRegisterContext (buf = %p, len = %zu) error: %s regs failed to write: %u", buf, buf_len, CPUHasAVX() ? "AVX" : "FPU", kret);
if ((kret = SetEXCState()) != KERN_SUCCESS)
DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::SetRegisterContext (buf = %p, len = %zu) error: EXP regs failed to write: %u", buf, buf_len, kret);
}
DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::SetRegisterContext (buf = %p, len = %zu) => %zu", buf, buf_len, size);
return size;
}
kern_return_t
DNBArchImplX86_64::GetRegisterState(int set, bool force)
{
switch (set)
{
case e_regSetALL: return GetGPRState(force) | GetFPUState(force) | GetEXCState(force);
case e_regSetGPR: return GetGPRState(force);
case e_regSetFPU: return GetFPUState(force);
case e_regSetEXC: return GetEXCState(force);
default: break;
}
return KERN_INVALID_ARGUMENT;
}
kern_return_t
DNBArchImplX86_64::SetRegisterState(int set)
{
// Make sure we have a valid context to set.
if (RegisterSetStateIsValid(set))
{
switch (set)
{
case e_regSetALL: return SetGPRState() | SetFPUState() | SetEXCState();
case e_regSetGPR: return SetGPRState();
case e_regSetFPU: return SetFPUState();
case e_regSetEXC: return SetEXCState();
default: break;
}
}
return KERN_INVALID_ARGUMENT;
}
bool
DNBArchImplX86_64::RegisterSetStateIsValid (int set) const
{
return m_state.RegsAreValid(set);
}
#endif // #if defined (__i386__) || defined (__x86_64__)
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