Commit 65c4a162 authored by Hans Wennborg's avatar Hans Wennborg
Browse files

Merging r245927: 

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r245927 | slthakur | 2015-08-25 02:52:59 -0700 (Tue, 25 Aug 2015) | 9 lines

Fix build on mips

Setting and getting register values as bytes instead of depending on the 128 bit integer support in register value.
This patch will fix the build failure in the release branch.

Reviewers: tberghammer, clayborg, hans
Subscribers: bhushan, nitesh.jain, jaydeep, lldb-commits
Differential: http://reviews.llvm.org/D12275

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llvm-svn: 245947
parent 9090a649

lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_mips64.cpp

+3 −10
Original line number Diff line number Diff line
@@ -584,7 +584,6 @@ NativeRegisterContextLinux_mips64::ReadRegister (const RegisterInfo *reg_info, R 
    if (IsMSA(reg) || IsFPR(reg))

    {

        uint8_t *src;

        type128 int128;



        error = ReadCP1();
@@ -604,9 +603,6 @@ NativeRegisterContextLinux_mips64::ReadRegister (const RegisterInfo *reg_info, R 
            assert (reg_info->byte_offset < sizeof(UserArea));

            src = (uint8_t *)&m_msa + reg_info->byte_offset - (sizeof(m_gpr) + sizeof(m_fpr));

        }

        int128.x[0] = *(uint64_t *)src;

        int128.x[1] = *(uint64_t *)(src + 8);

        llvm::APInt rhs = llvm::APInt(128, 2, int128.x);

        switch (reg_info->byte_size)

        {

            case 4:
@@ -616,7 +612,7 @@ NativeRegisterContextLinux_mips64::ReadRegister (const RegisterInfo *reg_info, R 
                reg_value.SetUInt64(*(uint64_t *)src);

                break;

            case 16:

                reg_value.SetUInt128(rhs);

                reg_value.SetBytes((const void *)src, 16, GetByteOrder());

                break;

            default:

                assert(false && "Unhandled data size.");
@@ -660,7 +656,7 @@ NativeRegisterContextLinux_mips64::WriteRegister (const RegisterInfo *reg_info, 
    if (IsFPR(reg_index) || IsMSA(reg_index))

    {

        uint8_t *dst;

        const uint64_t *src;

        uint64_t *src;



        // Initialise the FP and MSA buffers by reading all co-processor 1 registers

        ReadCP1();
@@ -675,8 +671,6 @@ NativeRegisterContextLinux_mips64::WriteRegister (const RegisterInfo *reg_info, 
            assert (reg_info->byte_offset < sizeof(UserArea));

            dst = (uint8_t *)&m_msa + reg_info->byte_offset - (sizeof(m_gpr) + sizeof(m_fpr));

        }

        llvm::APInt lhs;

        llvm::APInt fail_value = llvm::APInt::getMaxValue(128);

        switch (reg_info->byte_size)

        {

            case 4:
@@ -686,8 +680,7 @@ NativeRegisterContextLinux_mips64::WriteRegister (const RegisterInfo *reg_info, 
                *(uint64_t *)dst = reg_value.GetAsUInt64();

                break;

            case 16:

                lhs = reg_value.GetAsUInt128(fail_value);

                src = lhs.getRawData();

                src = (uint64_t *)reg_value.GetBytes();

                *(uint64_t *)dst = *src;

                *(uint64_t *)(dst + 8) = *(src + 1);

                break;