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//===-- SparcMCExpr.cpp - Sparc specific MC expression classes --------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file contains the implementation of the assembly expression modifiers
// accepted by the Sparc architecture (e.g. "%hi", "%lo", ...).
//
//===----------------------------------------------------------------------===//
#include "MCTargetDesc/SparcMCAsmInfo.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCObjectStreamer.h"
#include "llvm/MC/MCValue.h"
using namespace llvm;
#define DEBUG_TYPE "sparcmcexpr"
StringRef Sparc::getSpecifierName(uint16_t S) {
// clang-format off
switch (uint16_t(S)) {
case 0: return {};
case ELF::R_SPARC_LO10: return "lo";
case ELF::R_SPARC_HI22: return "hi";
case ELF::R_SPARC_H44: return "h44";
case ELF::R_SPARC_M44: return "m44";
case ELF::R_SPARC_L44: return "l44";
case ELF::R_SPARC_HH22: return "hh";
case ELF::R_SPARC_HM10: return "hm";
case ELF::R_SPARC_LM22: return "lm";
// FIXME: use %pc22/%pc10, if system assembler supports them.
case ELF::R_SPARC_PC22: return "hi";
case ELF::R_SPARC_PC10: return "lo";
case ELF::R_SPARC_GOT22: return "hi";
case ELF::R_SPARC_GOT10: return "lo";
case ELF::R_SPARC_GOT13: return {};
case ELF::R_SPARC_DISP32: return "r_disp32";
case ELF::R_SPARC_TLS_GD_HI22: return "tgd_hi22";
case ELF::R_SPARC_TLS_GD_LO10: return "tgd_lo10";
case ELF::R_SPARC_TLS_GD_ADD: return "tgd_add";
case ELF::R_SPARC_TLS_GD_CALL: return "tgd_call";
case ELF::R_SPARC_TLS_LDM_HI22: return "tldm_hi22";
case ELF::R_SPARC_TLS_LDM_LO10: return "tldm_lo10";
case ELF::R_SPARC_TLS_LDM_ADD: return "tldm_add";
case ELF::R_SPARC_TLS_LDM_CALL: return "tldm_call";
case ELF::R_SPARC_TLS_LDO_HIX22: return "tldo_hix22";
case ELF::R_SPARC_TLS_LDO_LOX10: return "tldo_lox10";
case ELF::R_SPARC_TLS_LDO_ADD: return "tldo_add";
case ELF::R_SPARC_TLS_IE_HI22: return "tie_hi22";
case ELF::R_SPARC_TLS_IE_LO10: return "tie_lo10";
case ELF::R_SPARC_TLS_IE_LD: return "tie_ld";
case ELF::R_SPARC_TLS_IE_LDX: return "tie_ldx";
case ELF::R_SPARC_TLS_IE_ADD: return "tie_add";
case ELF::R_SPARC_TLS_LE_HIX22: return "tle_hix22";
case ELF::R_SPARC_TLS_LE_LOX10: return "tle_lox10";
case ELF::R_SPARC_HIX22: return "hix";
case ELF::R_SPARC_LOX10: return "lox";
case ELF::R_SPARC_GOTDATA_OP_HIX22: return "gdop_hix22";
case ELF::R_SPARC_GOTDATA_OP_LOX10: return "gdop_lox10";
case ELF::R_SPARC_GOTDATA_OP: return "gdop";
}
// clang-format on
llvm_unreachable("Unhandled SparcMCExpr::Specifier");
}
uint16_t Sparc::parseSpecifier(StringRef name) {
return StringSwitch<uint16_t>(name)
.Case("lo", ELF::R_SPARC_LO10)
.Case("hi", ELF::R_SPARC_HI22)
.Case("h44", ELF::R_SPARC_H44)
.Case("m44", ELF::R_SPARC_M44)
.Case("l44", ELF::R_SPARC_L44)
.Case("hh", ELF::R_SPARC_HH22)
// Nonstandard GNU extension
.Case("uhi", ELF::R_SPARC_HH22)
.Case("hm", ELF::R_SPARC_HM10)
// Nonstandard GNU extension
.Case("ulo", ELF::R_SPARC_HM10)
.Case("lm", ELF::R_SPARC_LM22)
.Case("pc22", ELF::R_SPARC_PC22)
.Case("pc10", ELF::R_SPARC_PC10)
.Case("got22", ELF::R_SPARC_GOT22)
.Case("got10", ELF::R_SPARC_GOT10)
.Case("got13", ELF::R_SPARC_GOT13)
.Case("r_disp32", ELF::R_SPARC_DISP32)
.Case("tgd_hi22", ELF::R_SPARC_TLS_GD_HI22)
.Case("tgd_lo10", ELF::R_SPARC_TLS_GD_LO10)
.Case("tgd_add", ELF::R_SPARC_TLS_GD_ADD)
.Case("tgd_call", ELF::R_SPARC_TLS_GD_CALL)
.Case("tldm_hi22", ELF::R_SPARC_TLS_LDM_HI22)
.Case("tldm_lo10", ELF::R_SPARC_TLS_LDM_LO10)
.Case("tldm_add", ELF::R_SPARC_TLS_LDM_ADD)
.Case("tldm_call", ELF::R_SPARC_TLS_LDM_CALL)
.Case("tldo_hix22", ELF::R_SPARC_TLS_LDO_HIX22)
.Case("tldo_lox10", ELF::R_SPARC_TLS_LDO_LOX10)
.Case("tldo_add", ELF::R_SPARC_TLS_LDO_ADD)
.Case("tie_hi22", ELF::R_SPARC_TLS_IE_HI22)
.Case("tie_lo10", ELF::R_SPARC_TLS_IE_LO10)
.Case("tie_ld", ELF::R_SPARC_TLS_IE_LD)
.Case("tie_ldx", ELF::R_SPARC_TLS_IE_LDX)
.Case("tie_add", ELF::R_SPARC_TLS_IE_ADD)
.Case("tle_hix22", ELF::R_SPARC_TLS_LE_HIX22)
.Case("tle_lox10", ELF::R_SPARC_TLS_LE_LOX10)
.Case("hix", ELF::R_SPARC_HIX22)
.Case("lox", ELF::R_SPARC_LOX10)
.Case("gdop_hix22", ELF::R_SPARC_GOTDATA_OP_HIX22)
.Case("gdop_lox10", ELF::R_SPARC_GOTDATA_OP_LOX10)
.Case("gdop", ELF::R_SPARC_GOTDATA_OP)
.Default(0);
}
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