mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 19:23:23 +01:00
055a23f745
Leverage ARM ELF build attribute section to create ELF attribute section for RISC-V. Extract the common part of parsing logic for this section into ELFAttributeParser.[cpp|h] and ELFAttributes.[cpp|h]. Differential Revision: https://reviews.llvm.org/D74023
68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
//===-- RISCVAttributeParser.cpp - RISCV Attribute Parser -----------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Support/RISCVAttributeParser.h"
|
|
#include "llvm/ADT/StringExtras.h"
|
|
|
|
using namespace llvm;
|
|
|
|
const RISCVAttributeParser::DisplayHandler
|
|
RISCVAttributeParser::displayRoutines[] = {
|
|
{
|
|
RISCVAttrs::ARCH,
|
|
&ELFAttributeParser::stringAttribute,
|
|
},
|
|
{
|
|
RISCVAttrs::PRIV_SPEC,
|
|
&ELFAttributeParser::integerAttribute,
|
|
},
|
|
{
|
|
RISCVAttrs::PRIV_SPEC_MINOR,
|
|
&ELFAttributeParser::integerAttribute,
|
|
},
|
|
{
|
|
RISCVAttrs::PRIV_SPEC_REVISION,
|
|
&ELFAttributeParser::integerAttribute,
|
|
},
|
|
{
|
|
RISCVAttrs::STACK_ALIGN,
|
|
&RISCVAttributeParser::stackAlign,
|
|
},
|
|
{
|
|
RISCVAttrs::UNALIGNED_ACCESS,
|
|
&RISCVAttributeParser::unalignedAccess,
|
|
}};
|
|
|
|
Error RISCVAttributeParser::unalignedAccess(unsigned tag) {
|
|
static const char *strings[] = {"No unaligned access", "Unaligned access"};
|
|
return parseStringAttribute("Unaligned_access", tag, makeArrayRef(strings));
|
|
}
|
|
|
|
Error RISCVAttributeParser::stackAlign(unsigned tag) {
|
|
uint64_t value = de.getULEB128(cursor);
|
|
std::string description =
|
|
"Stack alignment is " + utostr(value) + std::string("-bytes");
|
|
printAttribute(tag, value, description);
|
|
return Error::success();
|
|
}
|
|
|
|
Error RISCVAttributeParser::handler(uint64_t tag, bool &handled) {
|
|
handled = false;
|
|
for (unsigned AHI = 0, AHE = array_lengthof(displayRoutines); AHI != AHE;
|
|
++AHI) {
|
|
if (uint64_t(displayRoutines[AHI].attribute) == tag) {
|
|
if (Error e = (this->*displayRoutines[AHI].routine)(tag))
|
|
return e;
|
|
handled = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return Error::success();
|
|
}
|