diff options
Diffstat (limited to 'source/Plugins/ABI/SysV-ppc/ABISysV_ppc.cpp')
| -rw-r--r-- | source/Plugins/ABI/SysV-ppc/ABISysV_ppc.cpp | 142 |
1 files changed, 67 insertions, 75 deletions
diff --git a/source/Plugins/ABI/SysV-ppc/ABISysV_ppc.cpp b/source/Plugins/ABI/SysV-ppc/ABISysV_ppc.cpp index f0da18637ba8..20ff17d0b763 100644 --- a/source/Plugins/ABI/SysV-ppc/ABISysV_ppc.cpp +++ b/source/Plugins/ABI/SysV-ppc/ABISysV_ppc.cpp @@ -1,4 +1,4 @@ -//===-- ABISysV_ppc.cpp --------------------------------------*- C++ -*-===// +//===-- ABISysV_ppc.cpp -----------------------------------------*- C++ -*-===// // // The LLVM Compiler Infrastructure // @@ -9,6 +9,13 @@ #include "ABISysV_ppc.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; @@ -111,49 +115,50 @@ enum dwarf_regnums // Note that the size and offset will be updated by platform-specific classes. #define DEFINE_GPR(reg, alt, kind1, kind2, kind3, kind4) \ { #reg, alt, 8, 0, eEncodingUint, \ - eFormatHex, { kind1, kind2, kind3, kind4}, NULL, NULL } + eFormatHex, { kind1, kind2, kind3, kind4}, nullptr, nullptr } + static const RegisterInfo g_register_infos[] = { // General purpose registers. eh_frame, DWARF, Generic, Process Plugin - DEFINE_GPR(r0, NULL, dwarf_r0, dwarf_r0, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r1, "sp", dwarf_r1, dwarf_r1, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM), - DEFINE_GPR(r2, NULL, dwarf_r2, dwarf_r2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r3, "arg1",dwarf_r3, dwarf_r3, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM), - DEFINE_GPR(r4, "arg2",dwarf_r4, dwarf_r4, LLDB_REGNUM_GENERIC_ARG2 ,LLDB_INVALID_REGNUM), - DEFINE_GPR(r5, "arg3",dwarf_r5, dwarf_r5, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM), - DEFINE_GPR(r6, "arg4",dwarf_r6, dwarf_r6, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM), - DEFINE_GPR(r7, "arg5",dwarf_r7, dwarf_r7, LLDB_REGNUM_GENERIC_ARG5, LLDB_INVALID_REGNUM), - DEFINE_GPR(r8, "arg6",dwarf_r8, dwarf_r8, LLDB_REGNUM_GENERIC_ARG6, LLDB_INVALID_REGNUM), - DEFINE_GPR(r9, "arg7",dwarf_r9, dwarf_r9, LLDB_REGNUM_GENERIC_ARG7, LLDB_INVALID_REGNUM), - DEFINE_GPR(r10, "arg8",dwarf_r10, dwarf_r10, LLDB_REGNUM_GENERIC_ARG8, LLDB_INVALID_REGNUM), - DEFINE_GPR(r11, NULL, dwarf_r11, dwarf_r11, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r12, NULL, dwarf_r12, dwarf_r12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r13, NULL, dwarf_r13, dwarf_r13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r14, NULL, dwarf_r14, dwarf_r14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r15, NULL, dwarf_r15, dwarf_r15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r16, NULL, dwarf_r16, dwarf_r16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r17, NULL, dwarf_r17, dwarf_r17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r18, NULL, dwarf_r18, dwarf_r18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r19, NULL, dwarf_r19, dwarf_r19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r20, NULL, dwarf_r20, dwarf_r20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r21, NULL, dwarf_r21, dwarf_r21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r22, NULL, dwarf_r22, dwarf_r22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r23, NULL, dwarf_r23, dwarf_r23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r24, NULL, dwarf_r24, dwarf_r24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r25, NULL, dwarf_r25, dwarf_r25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r26, NULL, dwarf_r26, dwarf_r26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r27, NULL, dwarf_r27, dwarf_r27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r28, NULL, dwarf_r28, dwarf_r28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r29, NULL, dwarf_r29, dwarf_r29, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r30, NULL, dwarf_r30, dwarf_r30, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(r31, NULL, dwarf_r31, dwarf_r31, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(lr, "lr", dwarf_lr, dwarf_lr, LLDB_REGNUM_GENERIC_RA, LLDB_INVALID_REGNUM), - DEFINE_GPR(cr, "cr", dwarf_cr, dwarf_cr, LLDB_REGNUM_GENERIC_FLAGS, LLDB_INVALID_REGNUM), - DEFINE_GPR(xer, "xer", dwarf_xer, dwarf_xer, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(ctr, "ctr", dwarf_ctr, dwarf_ctr, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), - DEFINE_GPR(pc, "pc", dwarf_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM), - { NULL, NULL, 8, 0, eEncodingUint, eFormatHex, { dwarf_cfa, dwarf_cfa, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, NULL, NULL}, + DEFINE_GPR(r0, nullptr, dwarf_r0, dwarf_r0, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r1, "sp", dwarf_r1, dwarf_r1, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM), + DEFINE_GPR(r2, nullptr, dwarf_r2, dwarf_r2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r3, "arg1", dwarf_r3, dwarf_r3, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM), + DEFINE_GPR(r4, "arg2", dwarf_r4, dwarf_r4, LLDB_REGNUM_GENERIC_ARG2 ,LLDB_INVALID_REGNUM), + DEFINE_GPR(r5, "arg3", dwarf_r5, dwarf_r5, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM), + DEFINE_GPR(r6, "arg4", dwarf_r6, dwarf_r6, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM), + DEFINE_GPR(r7, "arg5", dwarf_r7, dwarf_r7, LLDB_REGNUM_GENERIC_ARG5, LLDB_INVALID_REGNUM), + DEFINE_GPR(r8, "arg6", dwarf_r8, dwarf_r8, LLDB_REGNUM_GENERIC_ARG6, LLDB_INVALID_REGNUM), + DEFINE_GPR(r9, "arg7", dwarf_r9, dwarf_r9, LLDB_REGNUM_GENERIC_ARG7, LLDB_INVALID_REGNUM), + DEFINE_GPR(r10, "arg8", dwarf_r10, dwarf_r10, LLDB_REGNUM_GENERIC_ARG8, LLDB_INVALID_REGNUM), + DEFINE_GPR(r11, nullptr, dwarf_r11, dwarf_r11, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r12, nullptr, dwarf_r12, dwarf_r12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r13, nullptr, dwarf_r13, dwarf_r13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r14, nullptr, dwarf_r14, dwarf_r14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r15, nullptr, dwarf_r15, dwarf_r15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r16, nullptr, dwarf_r16, dwarf_r16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r17, nullptr, dwarf_r17, dwarf_r17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r18, nullptr, dwarf_r18, dwarf_r18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r19, nullptr, dwarf_r19, dwarf_r19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r20, nullptr, dwarf_r20, dwarf_r20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r21, nullptr, dwarf_r21, dwarf_r21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r22, nullptr, dwarf_r22, dwarf_r22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r23, nullptr, dwarf_r23, dwarf_r23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r24, nullptr, dwarf_r24, dwarf_r24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r25, nullptr, dwarf_r25, dwarf_r25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r26, nullptr, dwarf_r26, dwarf_r26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r27, nullptr, dwarf_r27, dwarf_r27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r28, nullptr, dwarf_r28, dwarf_r28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r29, nullptr, dwarf_r29, dwarf_r29, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r30, nullptr, dwarf_r30, dwarf_r30, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(r31, nullptr, dwarf_r31, dwarf_r31, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(lr, "lr", dwarf_lr, dwarf_lr, LLDB_REGNUM_GENERIC_RA, LLDB_INVALID_REGNUM), + DEFINE_GPR(cr, "cr", dwarf_cr, dwarf_cr, LLDB_REGNUM_GENERIC_FLAGS, LLDB_INVALID_REGNUM), + DEFINE_GPR(xer, "xer", dwarf_xer, dwarf_xer, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(ctr, "ctr", dwarf_ctr, dwarf_ctr, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), + DEFINE_GPR(pc, "pc", dwarf_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM), + { nullptr, nullptr, 8, 0, eEncodingUint, eFormatHex, { dwarf_cfa, dwarf_cfa, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr } }; static const uint32_t k_num_register_infos = llvm::array_lengthof(g_register_infos); @@ -165,7 +170,6 @@ ABISysV_ppc::GetRegisterInfoArray (uint32_t &count) return g_register_infos; } - size_t ABISysV_ppc::GetRedZoneSize () const { @@ -175,6 +179,7 @@ ABISysV_ppc::GetRedZoneSize () const //------------------------------------------------------------------ // Static Functions //------------------------------------------------------------------ + ABISP ABISysV_ppc::CreateInstance (const ArchSpec &arch) { @@ -216,7 +221,7 @@ ABISysV_ppc::PrepareTrivialCall (Thread &thread, if (!reg_ctx) return false; - const RegisterInfo *reg_info = NULL; + const RegisterInfo *reg_info = nullptr; if (args.size() > 8) // TODO handle more than 8 arguments return false; @@ -398,7 +403,7 @@ ABISysV_ppc::GetArgumentValues (Thread &thread, return false; bool is_signed; - if (compiler_type.IsIntegerType (is_signed)) + if (compiler_type.IsIntegerOrEnumerationType (is_signed)) { ReadIntegerArgument(value->GetScalar(), compiler_type.GetBitSize(&thread), @@ -449,7 +454,7 @@ ABISysV_ppc::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjec 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()) { const RegisterInfo *reg_info = reg_ctx->GetRegisterInfoByName("r3", 0); @@ -473,7 +478,6 @@ ABISysV_ppc::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjec { error.SetErrorString("We don't support returning longer than 64 bit integer values at present."); } - } else if (compiler_type.IsFloatingPointType (count, is_complex)) { @@ -517,7 +521,6 @@ ABISysV_ppc::SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjec return error; } - ValueObjectSP ABISysV_ppc::GetReturnValueObjectSimple (Thread &thread, CompilerType &return_compiler_type) const @@ -625,7 +628,6 @@ ABISysV_ppc::GetReturnValueObjectSimple (Thread &thread, return_valobj_sp = ValueObjectConstResult::Create (thread.GetStackFrameAtIndex(0).get(), value, ConstString("")); - } else if (type_flags & eTypeIsPointer) { @@ -641,7 +643,6 @@ ABISysV_ppc::GetReturnValueObjectSimple (Thread &thread, const size_t byte_size = return_compiler_type.GetByteSize(nullptr); if (byte_size > 0) { - const RegisterInfo *altivec_reg = reg_ctx->GetRegisterInfoByName("v2", 0); if (altivec_reg) { @@ -738,7 +739,7 @@ ABISysV_ppc::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_comp bool is_complex; uint32_t count; - CompilerType field_compiler_type = return_compiler_type.GetFieldAtIndex (idx, name, &field_bit_offset, NULL, NULL); + CompilerType field_compiler_type = return_compiler_type.GetFieldAtIndex(idx, name, &field_bit_offset, nullptr, nullptr); const size_t field_bit_width = field_compiler_type.GetBitSize(&thread); // If there are any unaligned fields, this is stored in memory. @@ -751,11 +752,10 @@ ABISysV_ppc::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_comp uint32_t field_byte_width = field_bit_width/8; uint32_t field_byte_offset = field_bit_offset/8; - - DataExtractor *copy_from_extractor = NULL; + DataExtractor *copy_from_extractor = nullptr; uint32_t copy_from_offset = 0; - if (field_compiler_type.IsIntegerType (is_signed) || field_compiler_type.IsPointerType ()) + if (field_compiler_type.IsIntegerOrEnumerationType (is_signed) || field_compiler_type.IsPointerType ()) { if (integer_bytes < 8) { @@ -772,7 +772,6 @@ ABISysV_ppc::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_comp copy_from_extractor = &rdx_data; copy_from_offset = 0; integer_bytes = 8 + field_byte_width; - } } else if (integer_bytes + field_byte_width <= 16) @@ -784,7 +783,7 @@ ABISysV_ppc::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_comp else { // The last field didn't fit. I can't see how that would happen w/o the overall size being - // greater than 16 bytes. For now, return a NULL return value object. + // greater than 16 bytes. For now, return a nullptr return value object. return return_valobj_sp; } } @@ -818,9 +817,9 @@ ABISysV_ppc::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_comp CompilerType next_field_compiler_type = return_compiler_type.GetFieldAtIndex (idx + 1, name, &next_field_bit_offset, - NULL, - NULL); - if (next_field_compiler_type.IsIntegerType (is_signed)) + nullptr, + nullptr); + if (next_field_compiler_type.IsIntegerOrEnumerationType (is_signed)) in_gpr = true; else { @@ -828,7 +827,6 @@ ABISysV_ppc::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_comp in_gpr = false; } } - } else if (field_byte_offset % 4 == 0) { @@ -842,9 +840,9 @@ ABISysV_ppc::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_comp CompilerType prev_field_compiler_type = return_compiler_type.GetFieldAtIndex (idx - 1, name, &prev_field_bit_offset, - NULL, - NULL); - if (prev_field_compiler_type.IsIntegerType (is_signed)) + nullptr, + nullptr); + if (prev_field_compiler_type.IsIntegerOrEnumerationType (is_signed)) in_gpr = true; else { @@ -852,7 +850,6 @@ ABISysV_ppc::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_comp in_gpr = false; } } - } else { @@ -909,7 +906,6 @@ ABISysV_ppc::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_comp } } - // FIXME: This is just taking a guess, r3 may very well no longer hold the return storage location. // If we are going to do this right, when we make a new frame we should check to see if it uses a memory // return, and if we are at the first instruction and if so stash away the return location. Then we would @@ -919,10 +915,10 @@ ABISysV_ppc::GetReturnValueObjectImpl (Thread &thread, CompilerType &return_comp { unsigned r3_id = reg_ctx_sp->GetRegisterInfoByName("r3", 0)->kinds[eRegisterKindLLDB]; lldb::addr_t storage_addr = (uint64_t)thread.GetRegisterContext()->ReadRegisterAsUnsigned(r3_id, 0); - return_valobj_sp = ValueObjectMemory::Create (&thread, - "", - Address (storage_addr, NULL), - return_compiler_type); + return_valobj_sp = ValueObjectMemory::Create(&thread, + "", + Address(storage_addr, nullptr), + return_compiler_type); } } @@ -987,8 +983,6 @@ ABISysV_ppc::RegisterIsVolatile (const RegisterInfo *reg_info) return !RegisterIsCalleeSaved (reg_info); } - - // See "Register Usage" in the // "System V Application Binary Interface" // "64-bit PowerPC ELF Application Binary Interface Supplement" @@ -1034,8 +1028,6 @@ ABISysV_ppc::RegisterIsCalleeSaved (const RegisterInfo *reg_info) return false; } - - void ABISysV_ppc::Initialize() { @@ -1060,6 +1052,7 @@ ABISysV_ppc::GetPluginNameStatic() //------------------------------------------------------------------ // PluginInterface protocol //------------------------------------------------------------------ + lldb_private::ConstString ABISysV_ppc::GetPluginName() { @@ -1071,4 +1064,3 @@ ABISysV_ppc::GetPluginVersion() { return 1; } - |