| //===-- RegisterContextPOSIX_ppc64le.cpp -------------------------*- C++-*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include <cstring> |
| #include <errno.h> |
| #include <stdint.h> |
| |
| #include "lldb/Core/RegisterValue.h" |
| #include "lldb/Core/Scalar.h" |
| #include "lldb/Target/Process.h" |
| #include "lldb/Target/Target.h" |
| #include "lldb/Target/Thread.h" |
| #include "lldb/Utility/DataBufferHeap.h" |
| #include "lldb/Utility/DataExtractor.h" |
| #include "lldb/Utility/Endian.h" |
| #include "llvm/Support/Compiler.h" |
| |
| #include "RegisterContextPOSIX_ppc64le.h" |
| |
| using namespace lldb_private; |
| using namespace lldb; |
| |
| static const uint32_t g_gpr_regnums[] = { |
| gpr_r0_ppc64le, gpr_r1_ppc64le, gpr_r2_ppc64le, gpr_r3_ppc64le, |
| gpr_r4_ppc64le, gpr_r5_ppc64le, gpr_r6_ppc64le, gpr_r7_ppc64le, |
| gpr_r8_ppc64le, gpr_r9_ppc64le, gpr_r10_ppc64le, gpr_r11_ppc64le, |
| gpr_r12_ppc64le, gpr_r13_ppc64le, gpr_r14_ppc64le, gpr_r15_ppc64le, |
| gpr_r16_ppc64le, gpr_r17_ppc64le, gpr_r18_ppc64le, gpr_r19_ppc64le, |
| gpr_r20_ppc64le, gpr_r21_ppc64le, gpr_r22_ppc64le, gpr_r23_ppc64le, |
| gpr_r24_ppc64le, gpr_r25_ppc64le, gpr_r26_ppc64le, gpr_r27_ppc64le, |
| gpr_r28_ppc64le, gpr_r29_ppc64le, gpr_r30_ppc64le, gpr_r31_ppc64le, |
| gpr_pc_ppc64le, gpr_msr_ppc64le, gpr_origr3_ppc64le, gpr_ctr_ppc64le, |
| gpr_lr_ppc64le, gpr_xer_ppc64le, gpr_cr_ppc64le, gpr_softe_ppc64le, |
| gpr_trap_ppc64le, |
| }; |
| |
| static const uint32_t g_fpr_regnums[] = { |
| fpr_f0_ppc64le, fpr_f1_ppc64le, fpr_f2_ppc64le, fpr_f3_ppc64le, |
| fpr_f4_ppc64le, fpr_f5_ppc64le, fpr_f6_ppc64le, fpr_f7_ppc64le, |
| fpr_f8_ppc64le, fpr_f9_ppc64le, fpr_f10_ppc64le, fpr_f11_ppc64le, |
| fpr_f12_ppc64le, fpr_f13_ppc64le, fpr_f14_ppc64le, fpr_f15_ppc64le, |
| fpr_f16_ppc64le, fpr_f17_ppc64le, fpr_f18_ppc64le, fpr_f19_ppc64le, |
| fpr_f20_ppc64le, fpr_f21_ppc64le, fpr_f22_ppc64le, fpr_f23_ppc64le, |
| fpr_f24_ppc64le, fpr_f25_ppc64le, fpr_f26_ppc64le, fpr_f27_ppc64le, |
| fpr_f28_ppc64le, fpr_f29_ppc64le, fpr_f30_ppc64le, fpr_f31_ppc64le, |
| fpr_fpscr_ppc64le, |
| }; |
| |
| static const uint32_t g_vmx_regnums[] = { |
| vmx_vr0_ppc64le, vmx_vr1_ppc64le, vmx_vr2_ppc64le, vmx_vr3_ppc64le, |
| vmx_vr4_ppc64le, vmx_vr5_ppc64le, vmx_vr6_ppc64le, vmx_vr7_ppc64le, |
| vmx_vr8_ppc64le, vmx_vr9_ppc64le, vmx_vr10_ppc64le, vmx_vr11_ppc64le, |
| vmx_vr12_ppc64le, vmx_vr13_ppc64le, vmx_vr14_ppc64le, vmx_vr15_ppc64le, |
| vmx_vr16_ppc64le, vmx_vr17_ppc64le, vmx_vr18_ppc64le, vmx_vr19_ppc64le, |
| vmx_vr20_ppc64le, vmx_vr21_ppc64le, vmx_vr22_ppc64le, vmx_vr23_ppc64le, |
| vmx_vr24_ppc64le, vmx_vr25_ppc64le, vmx_vr26_ppc64le, vmx_vr27_ppc64le, |
| vmx_vr28_ppc64le, vmx_vr29_ppc64le, vmx_vr30_ppc64le, vmx_vr31_ppc64le, |
| vmx_vscr_ppc64le, vmx_vrsave_ppc64le, |
| }; |
| |
| static const uint32_t g_vsx_regnums[] = { |
| vsx_vs0_ppc64le, vsx_vs1_ppc64le, vsx_vs2_ppc64le, vsx_vs3_ppc64le, |
| vsx_vs4_ppc64le, vsx_vs5_ppc64le, vsx_vs6_ppc64le, vsx_vs7_ppc64le, |
| vsx_vs8_ppc64le, vsx_vs9_ppc64le, vsx_vs10_ppc64le, vsx_vs11_ppc64le, |
| vsx_vs12_ppc64le, vsx_vs13_ppc64le, vsx_vs14_ppc64le, vsx_vs15_ppc64le, |
| vsx_vs16_ppc64le, vsx_vs17_ppc64le, vsx_vs18_ppc64le, vsx_vs19_ppc64le, |
| vsx_vs20_ppc64le, vsx_vs21_ppc64le, vsx_vs22_ppc64le, vsx_vs23_ppc64le, |
| vsx_vs24_ppc64le, vsx_vs25_ppc64le, vsx_vs26_ppc64le, vsx_vs27_ppc64le, |
| vsx_vs28_ppc64le, vsx_vs29_ppc64le, vsx_vs30_ppc64le, vsx_vs31_ppc64le, |
| vsx_vs32_ppc64le, vsx_vs33_ppc64le, vsx_vs34_ppc64le, vsx_vs35_ppc64le, |
| vsx_vs36_ppc64le, vsx_vs37_ppc64le, vsx_vs38_ppc64le, vsx_vs39_ppc64le, |
| vsx_vs40_ppc64le, vsx_vs41_ppc64le, vsx_vs42_ppc64le, vsx_vs43_ppc64le, |
| vsx_vs44_ppc64le, vsx_vs45_ppc64le, vsx_vs46_ppc64le, vsx_vs47_ppc64le, |
| vsx_vs48_ppc64le, vsx_vs49_ppc64le, vsx_vs50_ppc64le, vsx_vs51_ppc64le, |
| vsx_vs52_ppc64le, vsx_vs53_ppc64le, vsx_vs54_ppc64le, vsx_vs55_ppc64le, |
| vsx_vs56_ppc64le, vsx_vs57_ppc64le, vsx_vs58_ppc64le, vsx_vs59_ppc64le, |
| vsx_vs60_ppc64le, vsx_vs61_ppc64le, vsx_vs62_ppc64le, vsx_vs63_ppc64le, |
| }; |
| |
| // Number of register sets provided by this context. |
| enum { k_num_register_sets = 4 }; |
| |
| static const RegisterSet g_reg_sets_ppc64le[k_num_register_sets] = { |
| {"General Purpose Registers", "gpr", k_num_gpr_registers_ppc64le, |
| g_gpr_regnums}, |
| {"Floating Point Registers", "fpr", k_num_fpr_registers_ppc64le, |
| g_fpr_regnums}, |
| {"Altivec/VMX Registers", "vmx", k_num_vmx_registers_ppc64le, |
| g_vmx_regnums}, |
| {"VSX Registers", "vsx", k_num_vsx_registers_ppc64le, g_vsx_regnums}, |
| }; |
| |
| bool RegisterContextPOSIX_ppc64le::IsGPR(unsigned reg) { |
| return (reg <= k_last_gpr_ppc64le); // GPR's come first. |
| } |
| |
| bool RegisterContextPOSIX_ppc64le::IsFPR(unsigned reg) { |
| return (reg >= k_first_fpr_ppc64le) && (reg <= k_last_fpr_ppc64le); |
| } |
| |
| bool RegisterContextPOSIX_ppc64le::IsVMX(unsigned reg) { |
| return (reg >= k_first_vmx_ppc64le) && (reg <= k_last_vmx_ppc64le); |
| } |
| |
| bool RegisterContextPOSIX_ppc64le::IsVSX(unsigned reg) { |
| return (reg >= k_first_vsx_ppc64le) && (reg <= k_last_vsx_ppc64le); |
| } |
| |
| RegisterContextPOSIX_ppc64le::RegisterContextPOSIX_ppc64le( |
| Thread &thread, uint32_t concrete_frame_idx, |
| RegisterInfoInterface *register_info) |
| : RegisterContext(thread, concrete_frame_idx) { |
| m_register_info_ap.reset(register_info); |
| } |
| |
| void RegisterContextPOSIX_ppc64le::InvalidateAllRegisters() {} |
| |
| unsigned RegisterContextPOSIX_ppc64le::GetRegisterOffset(unsigned reg) { |
| assert(reg < k_num_registers_ppc64le && "Invalid register number."); |
| return GetRegisterInfo()[reg].byte_offset; |
| } |
| |
| unsigned RegisterContextPOSIX_ppc64le::GetRegisterSize(unsigned reg) { |
| assert(reg < k_num_registers_ppc64le && "Invalid register number."); |
| return GetRegisterInfo()[reg].byte_size; |
| } |
| |
| size_t RegisterContextPOSIX_ppc64le::GetRegisterCount() { |
| size_t num_registers = k_num_registers_ppc64le; |
| return num_registers; |
| } |
| |
| size_t RegisterContextPOSIX_ppc64le::GetGPRSize() { |
| return m_register_info_ap->GetGPRSize(); |
| } |
| |
| const RegisterInfo *RegisterContextPOSIX_ppc64le::GetRegisterInfo() { |
| // Commonly, this method is overridden and g_register_infos is copied and |
| // specialized. So, use GetRegisterInfo() rather than g_register_infos in |
| // this scope. |
| return m_register_info_ap->GetRegisterInfo(); |
| } |
| |
| const RegisterInfo * |
| RegisterContextPOSIX_ppc64le::GetRegisterInfoAtIndex(size_t reg) { |
| if (reg < k_num_registers_ppc64le) |
| return &GetRegisterInfo()[reg]; |
| else |
| return NULL; |
| } |
| |
| size_t RegisterContextPOSIX_ppc64le::GetRegisterSetCount() { |
| size_t sets = 0; |
| for (size_t set = 0; set < k_num_register_sets; ++set) { |
| if (IsRegisterSetAvailable(set)) |
| ++sets; |
| } |
| |
| return sets; |
| } |
| |
| const RegisterSet *RegisterContextPOSIX_ppc64le::GetRegisterSet(size_t set) { |
| if (IsRegisterSetAvailable(set)) |
| return &g_reg_sets_ppc64le[set]; |
| else |
| return NULL; |
| } |
| |
| const char *RegisterContextPOSIX_ppc64le::GetRegisterName(unsigned reg) { |
| assert(reg < k_num_registers_ppc64le && "Invalid register offset."); |
| return GetRegisterInfo()[reg].name; |
| } |
| |
| lldb::ByteOrder RegisterContextPOSIX_ppc64le::GetByteOrder() { |
| // Get the target process whose privileged thread was used for the register |
| // read. |
| lldb::ByteOrder byte_order = eByteOrderInvalid; |
| Process *process = CalculateProcess().get(); |
| |
| if (process) |
| byte_order = process->GetByteOrder(); |
| return byte_order; |
| } |
| |
| bool RegisterContextPOSIX_ppc64le::IsRegisterSetAvailable(size_t set_index) { |
| size_t num_sets = k_num_register_sets; |
| |
| return (set_index < num_sets); |
| } |
| |
| // Used when parsing DWARF and EH frame information and any other object file |
| // sections that contain register numbers in them. |
| uint32_t RegisterContextPOSIX_ppc64le::ConvertRegisterKindToRegisterNumber( |
| lldb::RegisterKind kind, uint32_t num) { |
| const uint32_t num_regs = GetRegisterCount(); |
| |
| assert(kind < kNumRegisterKinds); |
| for (uint32_t reg_idx = 0; reg_idx < num_regs; ++reg_idx) { |
| const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg_idx); |
| |
| if (reg_info->kinds[kind] == num) |
| return reg_idx; |
| } |
| |
| return LLDB_INVALID_REGNUM; |
| } |