diff options
Diffstat (limited to 'source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp')
| -rw-r--r-- | source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp | 226 |
1 files changed, 155 insertions, 71 deletions
diff --git a/source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp b/source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp index 1b77946c1d1f..d6b57f9f3939 100644 --- a/source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp +++ b/source/Plugins/ABI/SysV-mips/ABISysV_mips.cpp @@ -9,6 +9,13 @@ #include "ABISysV_mips.h" +// C Includes +// C++ Includes +// Other libraries and framework includes +#include "llvm/ADT/STLExtras.h" +#include "llvm/ADT/Triple.h" + +// Project includes #include "lldb/Core/ConstString.h" #include "lldb/Core/DataExtractor.h" #include "lldb/Core/Error.h" @@ -27,9 +34,6 @@ #include "lldb/Target/StackFrame.h" #include "lldb/Target/Thread.h" -#include "llvm/ADT/STLExtras.h" -#include "llvm/ADT/Triple.h" - using namespace lldb; using namespace lldb_private; @@ -80,44 +84,44 @@ g_register_infos[] = { // NAME ALT SZ OFF ENCODING FORMAT EH_FRAME DWARF GENERIC PROCESS PLUGINS LLDB NATIVE VALUE REGS INVALIDATE REGS // ======== ====== == === ============= =========== ============ ============== ============ ================= =================== ========== ================= - { "r0" , "zero", 4, 0, eEncodingUint, eFormatHex, { dwarf_r0, dwarf_r0, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r1" , "AT", 4, 0, eEncodingUint, eFormatHex, { dwarf_r1, dwarf_r1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r2" , "v0", 4, 0, eEncodingUint, eFormatHex, { dwarf_r2, dwarf_r2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r3" , "v1", 4, 0, eEncodingUint, eFormatHex, { dwarf_r3, dwarf_r3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r4" , "arg1", 4, 0, eEncodingUint, eFormatHex, { dwarf_r4, dwarf_r4, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r5" , "arg2", 4, 0, eEncodingUint, eFormatHex, { dwarf_r5, dwarf_r5, LLDB_REGNUM_GENERIC_ARG2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r6" , "arg3", 4, 0, eEncodingUint, eFormatHex, { dwarf_r6, dwarf_r6, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r7" , "arg4", 4, 0, eEncodingUint, eFormatHex, { dwarf_r7, dwarf_r7, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r8" , "arg5", 4, 0, eEncodingUint, eFormatHex, { dwarf_r8, dwarf_r8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r9" , "arg6", 4, 0, eEncodingUint, eFormatHex, { dwarf_r9, dwarf_r9, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r10" , "arg7", 4, 0, eEncodingUint, eFormatHex, { dwarf_r10, dwarf_r10, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r11" , "arg8", 4, 0, eEncodingUint, eFormatHex, { dwarf_r11, dwarf_r11, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r12" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r12, dwarf_r12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r13" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r13, dwarf_r13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r14" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r14, dwarf_r14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r15" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r15, dwarf_r15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r16" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r16, dwarf_r16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r17" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r17, dwarf_r17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r18" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r18, dwarf_r18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r19" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r19, dwarf_r19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r20" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r20, dwarf_r20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r21" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r21, dwarf_r21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r22" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r22, dwarf_r22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r23" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r23, dwarf_r23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r24" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r24, dwarf_r24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r25" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r25, dwarf_r25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r26" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r26, dwarf_r26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r27" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_r27, dwarf_r27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r28" , "gp", 4, 0, eEncodingUint, eFormatHex, { dwarf_r28, dwarf_r28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r29" , "sp", 4, 0, eEncodingUint, eFormatHex, { dwarf_r29, dwarf_r29, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r30" , "fp", 4, 0, eEncodingUint, eFormatHex, { dwarf_r30, dwarf_r30, LLDB_REGNUM_GENERIC_FP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "r31" , "ra", 4, 0, eEncodingUint, eFormatHex, { dwarf_r31, dwarf_r31, LLDB_REGNUM_GENERIC_RA, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "sr" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_sr, dwarf_sr, LLDB_REGNUM_GENERIC_FLAGS, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "lo" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_lo, dwarf_lo, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "hi" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_hi, dwarf_hi, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "bad" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_bad, dwarf_bad, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "cause" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_cause, dwarf_cause, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, - { "pc" , NULL, 4, 0, eEncodingUint, eFormatHex, { dwarf_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, NULL, NULL}, + { "r0" , "zero", 4, 0, eEncodingUint, eFormatHex, { dwarf_r0, dwarf_r0, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r1" , "AT", 4, 0, eEncodingUint, eFormatHex, { dwarf_r1, dwarf_r1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r2" , "v0", 4, 0, eEncodingUint, eFormatHex, { dwarf_r2, dwarf_r2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r3" , "v1", 4, 0, eEncodingUint, eFormatHex, { dwarf_r3, dwarf_r3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r4" , "arg1", 4, 0, eEncodingUint, eFormatHex, { dwarf_r4, dwarf_r4, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r5" , "arg2", 4, 0, eEncodingUint, eFormatHex, { dwarf_r5, dwarf_r5, LLDB_REGNUM_GENERIC_ARG2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r6" , "arg3", 4, 0, eEncodingUint, eFormatHex, { dwarf_r6, dwarf_r6, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r7" , "arg4", 4, 0, eEncodingUint, eFormatHex, { dwarf_r7, dwarf_r7, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r8" , "arg5", 4, 0, eEncodingUint, eFormatHex, { dwarf_r8, dwarf_r8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r9" , "arg6", 4, 0, eEncodingUint, eFormatHex, { dwarf_r9, dwarf_r9, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r10" , "arg7", 4, 0, eEncodingUint, eFormatHex, { dwarf_r10, dwarf_r10, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r11" , "arg8", 4, 0, eEncodingUint, eFormatHex, { dwarf_r11, dwarf_r11, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r12" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r12, dwarf_r12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r13" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r13, dwarf_r13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r14" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r14, dwarf_r14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r15" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r15, dwarf_r15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r16" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r16, dwarf_r16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r17" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r17, dwarf_r17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r18" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r18, dwarf_r18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r19" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r19, dwarf_r19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r20" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r20, dwarf_r20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r21" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r21, dwarf_r21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r22" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r22, dwarf_r22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r23" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r23, dwarf_r23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r24" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r24, dwarf_r24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r25" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r25, dwarf_r25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r26" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r26, dwarf_r26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r27" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_r27, dwarf_r27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r28" , "gp", 4, 0, eEncodingUint, eFormatHex, { dwarf_r28, dwarf_r28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r29" , "sp", 4, 0, eEncodingUint, eFormatHex, { dwarf_r29, dwarf_r29, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r30" , "fp", 4, 0, eEncodingUint, eFormatHex, { dwarf_r30, dwarf_r30, LLDB_REGNUM_GENERIC_FP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "r31" , "ra", 4, 0, eEncodingUint, eFormatHex, { dwarf_r31, dwarf_r31, LLDB_REGNUM_GENERIC_RA, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "sr" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_sr, dwarf_sr, LLDB_REGNUM_GENERIC_FLAGS, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "lo" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_lo, dwarf_lo, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "hi" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_hi, dwarf_hi, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "bad" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_bad, dwarf_bad, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "cause" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_cause, dwarf_cause, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, + { "pc" , nullptr,4, 0, eEncodingUint, eFormatHex, { dwarf_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM }, nullptr, nullptr }, }; static const uint32_t k_num_register_infos = llvm::array_lengthof(g_register_infos); @@ -138,6 +142,7 @@ ABISysV_mips::GetRedZoneSize () const //------------------------------------------------------------------ // Static Functions //------------------------------------------------------------------ + ABISP ABISysV_mips::CreateInstance (const ArchSpec &arch) { @@ -181,7 +186,7 @@ ABISysV_mips::PrepareTrivialCall (Thread &thread, if (!reg_ctx) return false; - const RegisterInfo *reg_info = NULL; + const RegisterInfo *reg_info = nullptr; RegisterValue reg_value; @@ -317,7 +322,7 @@ ABISysV_mips::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObje RegisterContext *reg_ctx = thread->GetRegisterContext().get(); bool set_it_simple = false; - if (compiler_type.IsIntegerType (is_signed) || compiler_type.IsPointerType()) + if (compiler_type.IsIntegerOrEnumerationType (is_signed) || compiler_type.IsPointerType()) { DataExtractor data; Error data_error; @@ -372,7 +377,6 @@ ABISysV_mips::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObje return error; } - ValueObjectSP ABISysV_mips::GetReturnValueObjectSimple (Thread &thread, CompilerType &return_compiler_type) const { @@ -390,10 +394,14 @@ ABISysV_mips::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_com return return_valobj_sp; ExecutionContext exe_ctx (thread.shared_from_this()); - if (exe_ctx.GetTargetPtr() == NULL || exe_ctx.GetProcessPtr() == NULL) + if (exe_ctx.GetTargetPtr() == nullptr || exe_ctx.GetProcessPtr() == nullptr) return return_valobj_sp; + Target *target = exe_ctx.GetTargetPtr(); + const ArchSpec target_arch = target->GetArchitecture(); + ByteOrder target_byte_order = target_arch.GetByteOrder(); value.SetCompilerType(return_compiler_type); + uint32_t fp_flag = target_arch.GetFlags() & lldb_private::ArchSpec::eMIPS_ABI_FP_mask; RegisterContext *reg_ctx = thread.GetRegisterContext().get(); if (!reg_ctx) @@ -405,9 +413,8 @@ ABISysV_mips::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_com // In MIPS register "r2" (v0) holds the integer function return values const RegisterInfo *r2_reg_info = reg_ctx->GetRegisterInfoByName("r2", 0); - size_t bit_width = return_compiler_type.GetBitSize(&thread); - - if (return_compiler_type.IsIntegerType (is_signed)) + size_t bit_width = return_compiler_type.GetBitSize(&thread); + if (return_compiler_type.IsIntegerOrEnumerationType (is_signed)) { switch (bit_width) { @@ -455,45 +462,115 @@ ABISysV_mips::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_com // Structure/Vector is always passed in memory and pointer to that memory is passed in r2. uint64_t mem_address = reg_ctx->ReadRegisterAsUnsigned(reg_ctx->GetRegisterInfoByName("r2", 0), 0); // We have got the address. Create a memory object out of it - return_valobj_sp = ValueObjectMemory::Create (&thread, - "", - Address (mem_address, NULL), - return_compiler_type); + return_valobj_sp = ValueObjectMemory::Create(&thread, + "", + Address(mem_address, nullptr), + return_compiler_type); return return_valobj_sp; } else if (return_compiler_type.IsFloatingPointType (count, is_complex)) { - const RegisterInfo *f0_info = reg_ctx->GetRegisterInfoByName("f0", 0); - const RegisterInfo *f1_info = reg_ctx->GetRegisterInfoByName("f1", 0); - - if (count == 1 && !is_complex) + if (IsSoftFloat (fp_flag)) { + uint64_t raw_value = reg_ctx->ReadRegisterAsUnsigned(r2_reg_info, 0); + if (count != 1 && is_complex) + return return_valobj_sp; switch (bit_width) { default: return return_valobj_sp; - case 64: - { - static_assert(sizeof(double) == sizeof(uint64_t), ""); - uint64_t raw_value; - raw_value = reg_ctx->ReadRegisterAsUnsigned(f0_info, 0) & UINT32_MAX; - raw_value |= ((uint64_t)(reg_ctx->ReadRegisterAsUnsigned(f1_info, 0) & UINT32_MAX)) << 32; - value.GetScalar() = *reinterpret_cast<double*>(&raw_value); - break; - } case 32: - { static_assert(sizeof(float) == sizeof(uint32_t), ""); - uint32_t raw_value = reg_ctx->ReadRegisterAsUnsigned(f0_info, 0) & UINT32_MAX; - value.GetScalar() = *reinterpret_cast<float*>(&raw_value); + value.GetScalar() = *((float *)(&raw_value)); + break; + case 64: + static_assert(sizeof(double) == sizeof(uint64_t), ""); + const RegisterInfo *r3_reg_info = reg_ctx->GetRegisterInfoByName("r3", 0); + if (target_byte_order == eByteOrderLittle) + raw_value = ((reg_ctx->ReadRegisterAsUnsigned(r3_reg_info, 0)) << 32) | raw_value; + else + raw_value = (raw_value << 32) | reg_ctx->ReadRegisterAsUnsigned(r3_reg_info, 0); + value.GetScalar() = *((double *)(&raw_value)); break; - } } } + else { - // not handled yet - return return_valobj_sp; + const RegisterInfo *f0_info = reg_ctx->GetRegisterInfoByName("f0", 0); + RegisterValue f0_value; + DataExtractor f0_data; + reg_ctx->ReadRegister (f0_info, f0_value); + f0_value.GetData(f0_data); + lldb::offset_t offset = 0; + + if (count == 1 && !is_complex) + { + switch (bit_width) + { + default: + return return_valobj_sp; + case 64: + { + static_assert(sizeof(double) == sizeof(uint64_t), ""); + const RegisterInfo *f1_info = reg_ctx->GetRegisterInfoByName("f1", 0); + RegisterValue f1_value; + DataExtractor f1_data; + reg_ctx->ReadRegister (f1_info, f1_value); + DataExtractor *copy_from_extractor = nullptr; + DataBufferSP data_sp (new DataBufferHeap(8, 0)); + DataExtractor return_ext (data_sp, + target_byte_order, + target->GetArchitecture().GetAddressByteSize()); + + if (target_byte_order == eByteOrderLittle) + { + copy_from_extractor = &f0_data; + copy_from_extractor->CopyByteOrderedData (offset, + 4, + data_sp->GetBytes(), + 4, + target_byte_order); + f1_value.GetData(f1_data); + copy_from_extractor = &f1_data; + copy_from_extractor->CopyByteOrderedData (offset, + 4, + data_sp->GetBytes() + 4, + 4, + target_byte_order); + } + else + { + copy_from_extractor = &f0_data; + copy_from_extractor->CopyByteOrderedData (offset, + 4, + data_sp->GetBytes() + 4, + 4, + target_byte_order); + f1_value.GetData(f1_data); + copy_from_extractor = &f1_data; + copy_from_extractor->CopyByteOrderedData (offset, + 4, + data_sp->GetBytes(), + 4, + target_byte_order); + } + value.GetScalar() = (double) return_ext.GetDouble(&offset); + break; + } + case 32: + { + static_assert(sizeof(float) == sizeof(uint32_t), ""); + value.GetScalar() = (float) f0_data.GetFloat(&offset); + break; + } + } + } + else + { + // not handled yet + return return_valobj_sp; + } } } else @@ -559,6 +636,12 @@ ABISysV_mips::RegisterIsVolatile (const RegisterInfo *reg_info) } bool +ABISysV_mips::IsSoftFloat(uint32_t fp_flags) const +{ + return (fp_flags == lldb_private::ArchSpec::eMIPS_ABI_FP_SOFT); +} + +bool ABISysV_mips::RegisterIsCalleeSaved (const RegisterInfo *reg_info) { if (reg_info) @@ -623,6 +706,7 @@ ABISysV_mips::GetPluginNameStatic() //------------------------------------------------------------------ // PluginInterface protocol //------------------------------------------------------------------ + lldb_private::ConstString ABISysV_mips::GetPluginName() { |