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[ABI] Remove dead code that was copy-pasted all around. NFCI. 

llvm-svn: 318580
This commit is contained in:
Davide Italiano 2017-11-18 00:54:31 +00:00
parent 389dbb715c
commit e77c8425e1
2 changed files with 0 additions and 82 deletions
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41
lldb/source/Plugins/ABI/SysV-ppc/ABISysV_ppc.cpp
View File

@ -291,47 +291,6 @@ bool ABISysV_ppc::PrepareTrivialCall(Thread &thread, addr_t sp,
RegisterValue reg_value;
#if 0
// This code adds an extra frame so that we don't lose the function that we came from
// by pushing the PC and the FP and then writing the current FP to point to the FP value
// we just pushed. It is disabled for now until the stack backtracing code can be debugged.
// Save current PC
const RegisterInfo *fp_reg_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_FP);
if (reg_ctx->ReadRegister(pc_reg_info, reg_value))
{
if (log)
log->Printf("Pushing the current PC onto the stack: 0x%" PRIx64 ": 0x%" PRIx64, (uint64_t)sp, reg_value.GetAsUInt64());
if (!process_sp->WritePointerToMemory(sp, reg_value.GetAsUInt64(), error))
return false;
sp -= 8;
// Save current FP
if (reg_ctx->ReadRegister(fp_reg_info, reg_value))
{
if (log)
log->Printf("Pushing the current FP onto the stack: 0x%" PRIx64 ": 0x%" PRIx64, (uint64_t)sp, reg_value.GetAsUInt64());
if (!process_sp->WritePointerToMemory(sp, reg_value.GetAsUInt64(), error))
return false;
}
// Setup FP backchain
reg_value.SetUInt64 (sp);
if (log)
log->Printf("Writing FP: 0x%" PRIx64 " (for FP backchain)", reg_value.GetAsUInt64());
if (!reg_ctx->WriteRegister(fp_reg_info, reg_value))
{
return false;
}
sp -= 8;
}
#endif
if (log)
log->Printf("Pushing the return address onto the stack: 0x%" PRIx64
": 0x%" PRIx64,

41
lldb/source/Plugins/ABI/SysV-ppc64/ABISysV_ppc64.cpp
View File

@ -291,47 +291,6 @@ bool ABISysV_ppc64::PrepareTrivialCall(Thread &thread, addr_t sp,
RegisterValue reg_value;
#if 0
// This code adds an extra frame so that we don't lose the function that we came from
// by pushing the PC and the FP and then writing the current FP to point to the FP value
// we just pushed. It is disabled for now until the stack backtracing code can be debugged.
// Save current PC
const RegisterInfo *fp_reg_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_FP);
if (reg_ctx->ReadRegister(pc_reg_info, reg_value))
{
if (log)
log->Printf("Pushing the current PC onto the stack: 0x%" PRIx64 ": 0x%" PRIx64, (uint64_t)sp, reg_value.GetAsUInt64());
if (!process_sp->WritePointerToMemory(sp, reg_value.GetAsUInt64(), error))
return false;
sp -= 8;
// Save current FP
if (reg_ctx->ReadRegister(fp_reg_info, reg_value))
{
if (log)
log->Printf("Pushing the current FP onto the stack: 0x%" PRIx64 ": 0x%" PRIx64, (uint64_t)sp, reg_value.GetAsUInt64());
if (!process_sp->WritePointerToMemory(sp, reg_value.GetAsUInt64(), error))
return false;
}
// Setup FP backchain
reg_value.SetUInt64 (sp);
if (log)
log->Printf("Writing FP: 0x%" PRIx64 " (for FP backchain)", reg_value.GetAsUInt64());
if (!reg_ctx->WriteRegister(fp_reg_info, reg_value))
{
return false;
}
sp -= 8;
}
#endif
if (log)
log->Printf("Pushing the return address onto the stack: 0x%" PRIx64
": 0x%" PRIx64,