Beispiel #1
0
bool
ABISysV_i386::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan)
{
    unwind_plan.Clear();
    unwind_plan.SetRegisterKind (eRegisterKindDWARF);

    uint32_t fp_reg_num = gcc_dwarf_ebp;
    uint32_t sp_reg_num = gcc_dwarf_esp;
    uint32_t pc_reg_num = gcc_dwarf_eip;

    UnwindPlan::RowSP row(new UnwindPlan::Row);
    const int32_t ptr_size = 4;

    row->GetCFAValue().SetIsRegisterPlusOffset(fp_reg_num, 2 * ptr_size);
    row->SetOffset (0);

    row->SetRegisterLocationToAtCFAPlusOffset(fp_reg_num, ptr_size * -2, true);
    row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, ptr_size * -1, true);
    row->SetRegisterLocationToIsCFAPlusOffset(sp_reg_num, 0, true);

    unwind_plan.AppendRow (row);
    unwind_plan.SetSourceName ("i386 default unwind plan");
    unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
    unwind_plan.SetUnwindPlanValidAtAllInstructions (eLazyBoolNo);
    return true;
}
Beispiel #2
0
bool
ABISysV_ppc::CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan)
{
    unwind_plan.Clear();
    unwind_plan.SetRegisterKind (eRegisterKindDWARF);

    uint32_t lr_reg_num = gcc_dwarf_lr;
    uint32_t sp_reg_num = gcc_dwarf_r1;
    uint32_t pc_reg_num = gcc_dwarf_pc;

    UnwindPlan::RowSP row(new UnwindPlan::Row);

    // Our Call Frame Address is the stack pointer value
    row->GetCFAValue().SetIsRegisterPlusOffset (sp_reg_num, 0);

    // The previous PC is in the LR
    row->SetRegisterLocationToRegister(pc_reg_num, lr_reg_num, true);
    unwind_plan.AppendRow (row);

    // All other registers are the same.

    unwind_plan.SetSourceName ("ppc at-func-entry default");
    unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);

    return true;
}
Beispiel #3
0
bool
ABIMacOSX_arm::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan)
{
    uint32_t fp_reg_num = dwarf_r7; // apple uses r7 for all frames. Normal arm uses r11;
    uint32_t pc_reg_num = dwarf_pc;
    
    UnwindPlan::RowSP row(new UnwindPlan::Row);
    const int32_t ptr_size = 4;
    
    unwind_plan.Clear ();
    unwind_plan.SetRegisterKind (eRegisterKindDWARF);
    row->SetCFARegister (fp_reg_num);
    row->SetCFAOffset (2 * ptr_size);
    row->SetOffset (0);
    
    row->SetRegisterLocationToAtCFAPlusOffset(fp_reg_num, ptr_size * -2, true);
    row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, ptr_size * -1, true);
    
    unwind_plan.AppendRow (row);
    unwind_plan.SetSourceName ("arm-apple-ios default unwind plan");
    unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
    unwind_plan.SetUnwindPlanValidAtAllInstructions (eLazyBoolNo);

    return true;
}
Beispiel #4
0
bool
ABISysV_ppc64::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan)
{
    unwind_plan.Clear();
    unwind_plan.SetRegisterKind (eRegisterKindDWARF);

    uint32_t sp_reg_num = dwarf_r1;
    uint32_t pc_reg_num = dwarf_lr;

    UnwindPlan::RowSP row(new UnwindPlan::Row);

    const int32_t ptr_size = 8;
    row->GetCFAValue().SetIsRegisterDereferenced(sp_reg_num);

    row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, ptr_size * 2, true);
    row->SetRegisterLocationToIsCFAPlusOffset(sp_reg_num, 0, true);
    row->SetRegisterLocationToAtCFAPlusOffset(dwarf_cr, ptr_size, true);

    unwind_plan.AppendRow (row);
    unwind_plan.SetSourceName ("ppc64 default unwind plan");
    unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
    unwind_plan.SetUnwindPlanValidAtAllInstructions (eLazyBoolNo);
    unwind_plan.SetReturnAddressRegister(dwarf_lr);
    return true;
}
Beispiel #5
0
bool
ABISysV_arm::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan)
{
    unwind_plan.Clear ();
    unwind_plan.SetRegisterKind (eRegisterKindDWARF);

    //TODO: Handle thumb
    uint32_t fp_reg_num = dwarf_r11;
    uint32_t pc_reg_num = dwarf_pc;
    
    UnwindPlan::RowSP row(new UnwindPlan::Row);
    const int32_t ptr_size = 4;
    
    row->GetCFAValue().SetIsRegisterPlusOffset (fp_reg_num, 2 * ptr_size);
    row->SetOffset (0);
    
    row->SetRegisterLocationToAtCFAPlusOffset(fp_reg_num, ptr_size * -2, true);
    row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, ptr_size * -1, true);
    
    unwind_plan.AppendRow (row);
    unwind_plan.SetSourceName ("arm default unwind plan");
    unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
    unwind_plan.SetUnwindPlanValidAtAllInstructions (eLazyBoolNo);

    return true;
}
Beispiel #6
0
bool
ABINyuzi::CreateDefaultUnwindPlan ( UnwindPlan &unwind_plan )
{
  unwind_plan.Clear();
  unwind_plan.SetRegisterKind(eRegisterKindDWARF);
  unwind_plan.SetReturnAddressRegister(30);
  UnwindPlan::RowSP row(new UnwindPlan::Row);

  row->GetCFAValue().SetIsRegisterPlusOffset(29, 0);

  unwind_plan.AppendRow(row);
  unwind_plan.SetSourceName("nyuzi default unwind plan");
  unwind_plan.SetSourcedFromCompiler(eLazyBoolNo);
	unwind_plan.SetUnwindPlanValidAtAllInstructions(eLazyBoolNo);
  return true;
}
bool EmulateInstructionARM64::CreateFunctionEntryUnwind(
    UnwindPlan &unwind_plan) {
  unwind_plan.Clear();
  unwind_plan.SetRegisterKind(eRegisterKindLLDB);

  UnwindPlan::RowSP row(new UnwindPlan::Row);

  // Our previous Call Frame Address is the stack pointer
  row->GetCFAValue().SetIsRegisterPlusOffset(gpr_sp_arm64, 0);

  unwind_plan.AppendRow(row);
  unwind_plan.SetSourceName("EmulateInstructionARM64");
  unwind_plan.SetSourcedFromCompiler(eLazyBoolNo);
  unwind_plan.SetUnwindPlanValidAtAllInstructions(eLazyBoolYes);
  unwind_plan.SetReturnAddressRegister(gpr_lr_arm64);
  return true;
}
Beispiel #8
0
bool
ABISysV_mips::CreateDefaultUnwindPlan (UnwindPlan &unwind_plan)
{
    unwind_plan.Clear();
    unwind_plan.SetRegisterKind (eRegisterKindDWARF);

    UnwindPlan::RowSP row(new UnwindPlan::Row);

    row->GetCFAValue().SetIsRegisterPlusOffset(gcc_dwarf_r29, 0);

    row->SetRegisterLocationToRegister(gcc_dwarf_pc, gcc_dwarf_r31, true);
	
    unwind_plan.AppendRow (row);
    unwind_plan.SetSourceName ("mips default unwind plan");
    unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
    unwind_plan.SetUnwindPlanValidAtAllInstructions (eLazyBoolNo);
    return true;
}
Beispiel #9
0
bool
ABISysV_i386::CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan)
{
    unwind_plan.Clear();
    unwind_plan.SetRegisterKind (eRegisterKindDWARF);

    uint32_t sp_reg_num = gcc_dwarf_esp;
    uint32_t pc_reg_num = gcc_dwarf_eip;

    UnwindPlan::RowSP row(new UnwindPlan::Row);
    row->GetCFAValue().SetIsRegisterPlusOffset(sp_reg_num, 4);
    row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, -4, false);
    row->SetRegisterLocationToIsCFAPlusOffset(sp_reg_num, 0, true);
    unwind_plan.AppendRow (row);
    unwind_plan.SetSourceName ("i386 at-func-entry default");
    unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
    return true;
}
Beispiel #10
0
// See lib/Target/Nyuzi/NyuziFrameLowering.cpp, emitPrologue
bool
ABINyuzi::CreateFunctionEntryUnwindPlan ( UnwindPlan &unwind_plan )
{
  unwind_plan.Clear();
  unwind_plan.SetRegisterKind(eRegisterKindDWARF);
  unwind_plan.SetReturnAddressRegister(30);
  
  UnwindPlan::RowSP row(new UnwindPlan::Row);

  // Our Call Frame Address is the stack pointer value
  row->GetCFAValue().SetIsRegisterPlusOffset(29, 0);

  unwind_plan.AppendRow(row);
  
  unwind_plan.SetSourceName("nyuzi at-func-entry default");
  unwind_plan.SetSourcedFromCompiler(eLazyBoolNo);
  return true;
}
Beispiel #11
0
bool ABISysV_s390x::CreateFunctionEntryUnwindPlan(UnwindPlan &unwind_plan) {
  unwind_plan.Clear();
  unwind_plan.SetRegisterKind(eRegisterKindDWARF);

  UnwindPlan::RowSP row(new UnwindPlan::Row);

  // Our Call Frame Address is the stack pointer value + 160
  row->GetCFAValue().SetIsRegisterPlusOffset(dwarf_r15_s390x, 160);

  // The previous PC is in r14
  row->SetRegisterLocationToRegister(dwarf_pswa_s390x, dwarf_r14_s390x, true);

  // All other registers are the same.
  unwind_plan.AppendRow(row);
  unwind_plan.SetSourceName("s390x at-func-entry default");
  unwind_plan.SetSourcedFromCompiler(eLazyBoolNo);
  return true;
}
Beispiel #12
0
// called when we are on the first instruction of a new function for hexagon
// the return address is in RA (R31)
bool ABISysV_hexagon::CreateFunctionEntryUnwindPlan(UnwindPlan &unwind_plan) {
  unwind_plan.Clear();
  unwind_plan.SetRegisterKind(eRegisterKindGeneric);
  unwind_plan.SetReturnAddressRegister(LLDB_REGNUM_GENERIC_RA);

  UnwindPlan::RowSP row(new UnwindPlan::Row);

  // Our Call Frame Address is the stack pointer value
  row->GetCFAValue().SetIsRegisterPlusOffset(LLDB_REGNUM_GENERIC_SP, 4);
  row->SetOffset(0);

  // The previous PC is in the LR
  row->SetRegisterLocationToRegister(LLDB_REGNUM_GENERIC_PC,
                                     LLDB_REGNUM_GENERIC_RA, true);
  unwind_plan.AppendRow(row);

  unwind_plan.SetSourceName("hexagon at-func-entry default");
  unwind_plan.SetSourcedFromCompiler(eLazyBoolNo);
  return true;
}
Beispiel #13
0
bool
ABISysV_mips::CreateFunctionEntryUnwindPlan (UnwindPlan &unwind_plan)
{
    unwind_plan.Clear();
    unwind_plan.SetRegisterKind (eRegisterKindDWARF);

    UnwindPlan::RowSP row(new UnwindPlan::Row);

    // Our Call Frame Address is the stack pointer value
    row->GetCFAValue().SetIsRegisterPlusOffset(gcc_dwarf_r29, 0);

    // The previous PC is in the RA
    row->SetRegisterLocationToRegister(gcc_dwarf_pc, gcc_dwarf_r31, true);
    unwind_plan.AppendRow (row);

    // All other registers are the same.

    unwind_plan.SetSourceName ("mips at-func-entry default");
    unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
    unwind_plan.SetReturnAddressRegister(gcc_dwarf_r31);
    return true;
}
Beispiel #14
0
bool ABISysV_hexagon::CreateDefaultUnwindPlan(UnwindPlan &unwind_plan) {
  unwind_plan.Clear();
  unwind_plan.SetRegisterKind(eRegisterKindGeneric);

  uint32_t fp_reg_num = LLDB_REGNUM_GENERIC_FP;
  uint32_t sp_reg_num = LLDB_REGNUM_GENERIC_SP;
  uint32_t pc_reg_num = LLDB_REGNUM_GENERIC_PC;

  UnwindPlan::RowSP row(new UnwindPlan::Row);

  row->GetCFAValue().SetIsRegisterPlusOffset(LLDB_REGNUM_GENERIC_FP, 8);

  row->SetRegisterLocationToAtCFAPlusOffset(fp_reg_num, -8, true);
  row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, -4, true);
  row->SetRegisterLocationToIsCFAPlusOffset(sp_reg_num, 0, true);

  unwind_plan.AppendRow(row);
  unwind_plan.SetSourceName("hexagon default unwind plan");
  unwind_plan.SetSourcedFromCompiler(eLazyBoolNo);
  unwind_plan.SetUnwindPlanValidAtAllInstructions(eLazyBoolNo);
  return true;
}
bool
EmulateInstructionMIPS::CreateFunctionEntryUnwind (UnwindPlan &unwind_plan)
{
    unwind_plan.Clear();
    unwind_plan.SetRegisterKind (eRegisterKindDWARF);

    UnwindPlan::RowSP row(new UnwindPlan::Row);
    const bool can_replace = false;

    // Our previous Call Frame Address is the stack pointer
    row->GetCFAValue().SetIsRegisterPlusOffset(gcc_dwarf_sp_mips64, 0);

    // Our previous PC is in the RA
    row->SetRegisterLocationToRegister(gcc_dwarf_pc_mips64, gcc_dwarf_ra_mips64, can_replace);

    unwind_plan.AppendRow (row);

    // All other registers are the same.
    unwind_plan.SetSourceName ("EmulateInstructionMIPS");
    unwind_plan.SetSourcedFromCompiler (eLazyBoolNo);
    unwind_plan.SetUnwindPlanValidAtAllInstructions (eLazyBoolYes);

    return true;
}
bool
EmulateInstruction::CreateFunctionEntryUnwind (UnwindPlan &unwind_plan)
{
    unwind_plan.Clear();
    return false;
}