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#include <iostream>

#if !defined(__USE_GNU)
#   define __USE_GNU
#endif
#include <sys/ucontext.h>

#include "insfault-intel64.h"



// Check that the fault context contains the expected register values
// after running a test.
//
//  ctxt        Fault context.
//
// returns TRUE if the context has expected values.
//
bool CheckUContextRegisters(void *ctxt)
{
    ucontext_t *uctxt = static_cast<ucontext_t *>(ctxt);
    bool ok = true;

    greg_t pc = uctxt->uc_mcontext.gregs[REG_RIP];
    if (pc != ExpectedPC)
    {
        std::cout << "  *** Unexpected fault PC 0x" << std::hex << pc << "\n";
        ok = false;
    }

    greg_t r8 = uctxt->uc_mcontext.gregs[REG_R8];
    if (r8 != ExpectedR8)
    {
        std::cout << "  *** Unexpected R8 value 0x" << std::hex << r8 << "\n";
        ok = false;
    }
    greg_t r9 = uctxt->uc_mcontext.gregs[REG_R9];
    if (r9 != ExpectedR9)
    {
        std::cout << "  *** Unexpected R9 value 0x" << std::hex << r9 << "\n";
        ok = false;
    }
    greg_t r10 = uctxt->uc_mcontext.gregs[REG_R10];
    if (r10 != ExpectedR10)
    {
        std::cout << "  *** Unexpected R10 value 0x" << std::hex << r10 << "\n";
        ok = false;
    }
    greg_t r11 = uctxt->uc_mcontext.gregs[REG_R11];
    if (r11 != ExpectedR11)
    {
        std::cout << "  *** Unexpected R11 value 0x" << std::hex << r11 << "\n";
        ok = false;
    }
    greg_t r12 = uctxt->uc_mcontext.gregs[REG_R12];
    if (r12 != ExpectedR12)
    {
        std::cout << "  *** Unexpected R12 value 0x" << std::hex << r12 << "\n";
        ok = false;
    }
    greg_t r13 = uctxt->uc_mcontext.gregs[REG_R13];
    if (r13 != ExpectedR13)
    {
        std::cout << "  *** Unexpected R13 value 0x" << std::hex << r13 << "\n";
        ok = false;
    }
    greg_t r14 = uctxt->uc_mcontext.gregs[REG_R14];
    if (r14 != ExpectedR14)
    {
        std::cout << "  *** Unexpected R14 value 0x" << std::hex << r14 << "\n";
        ok = false;
    }
    greg_t r15 = uctxt->uc_mcontext.gregs[REG_R15];
    if (r15 != ExpectedR15)
    {
        std::cout << "  *** Unexpected R15 value 0x" << std::hex << r15 << "\n";
        ok = false;
    }
    greg_t rdi = uctxt->uc_mcontext.gregs[REG_RDI];
    if (rdi != ExpectedRDI)
    {
        std::cout << "  *** Unexpected RDI value 0x" << std::hex << rdi << "\n";
        ok = false;
    }
    greg_t rsi = uctxt->uc_mcontext.gregs[REG_RSI];
    if (rsi != ExpectedRSI)
    {
        std::cout << "  *** Unexpected RSI value 0x" << std::hex << rsi << "\n";
        ok = false;
    }
    greg_t rbp = uctxt->uc_mcontext.gregs[REG_RBP];
    if (rbp != ExpectedRBP)
    {
        std::cout << "  *** Unexpected RBP value 0x" << std::hex << rbp << "\n";
        ok = false;
    }
    greg_t rbx = uctxt->uc_mcontext.gregs[REG_RBX];
    if (rbx != ExpectedRBX)
    {
        std::cout << "  *** Unexpected RBX value 0x" << std::hex << rbx << "\n";
        ok = false;
    }
    greg_t rdx = uctxt->uc_mcontext.gregs[REG_RDX];
    if (rdx != ExpectedRDX)
    {
        std::cout << "  *** Unexpected RDX value 0x" << std::hex << rdx << "\n";
        ok = false;
    }
    greg_t rax = uctxt->uc_mcontext.gregs[REG_RAX];
    if (rax != ExpectedRAX)
    {
        std::cout << "  *** Unexpected RAX value 0x" << std::hex << rax << "\n";
        ok = false;
    }
    greg_t rcx = uctxt->uc_mcontext.gregs[REG_RCX];
    if (rcx != ExpectedRCX)
    {
        std::cout << "  *** Unexpected RCX value 0x" << std::hex << rcx << "\n";
        ok = false;
    }
    greg_t rsp = uctxt->uc_mcontext.gregs[REG_RSP];
    if (rsp != ExpectedRSP)
    {
        std::cout << "  *** Unexpected RSP value 0x" << std::hex << rsp << "\n";
        ok = false;
    }

    greg_t efl = uctxt->uc_mcontext.gregs[REG_EFL];
    efl &= EFLAGS_MASK;
    if (efl != ExpectedEFLAGS)
    {
        std::cout << "  *** Unexpected EFL value 0x" << std::hex << efl << "\n";
        ok = false;
    }

    return ok;
}
