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-rw-r--r--lib/ReaderWriter/ELF/AArch64/AArch64RelocationHandler.cpp556
1 files changed, 0 insertions, 556 deletions
diff --git a/lib/ReaderWriter/ELF/AArch64/AArch64RelocationHandler.cpp b/lib/ReaderWriter/ELF/AArch64/AArch64RelocationHandler.cpp
deleted file mode 100644
index ac7c769ec26d..000000000000
--- a/lib/ReaderWriter/ELF/AArch64/AArch64RelocationHandler.cpp
+++ /dev/null
@@ -1,556 +0,0 @@
-//===- lib/ReaderWriter/ELF/AArch64/AArch64RelocationHandler.cpp ----------===//
-//
-// The LLVM Linker
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "AArch64TargetHandler.h"
-#include "AArch64LinkingContext.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/Endian.h"
-#include "llvm/Support/MathExtras.h"
-
-#define DEBUG_TYPE "AArch64"
-
-using namespace lld;
-using namespace lld::elf;
-using namespace llvm;
-using namespace llvm::support::endian;
-
-static int64_t page(int64_t v) { return v & ~int64_t(0xFFF); }
-
-/// \brief Check X is in the interval (-2^(bits-1), 2^bits]
-static bool withinSignedUnsignedRange(int64_t X, int bits) {
- return isIntN(bits - 1, X) || isUIntN(bits, X);
-}
-
-/// \brief R_AARCH64_ABS64 - word64: S + A
-static void relocR_AARCH64_ABS64(uint8_t *location, uint64_t P, uint64_t S,
- int64_t A) {
- int64_t result = (int64_t)S + A;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: 0x" << Twine::utohexstr(S);
- llvm::dbgs() << " A: 0x" << Twine::utohexstr(A);
- llvm::dbgs() << " P: 0x" << Twine::utohexstr(P);
- llvm::dbgs() << " result: 0x" << Twine::utohexstr(result) << "\n");
- write64le(location, result | read64le(location));
-}
-
-/// \brief R_AARCH64_ABS32 - word32: S + A
-static std::error_code relocR_AARCH64_ABS32(uint8_t *location, uint64_t P,
- uint64_t S, int64_t A) {
- int64_t result = S + A;
- if (!withinSignedUnsignedRange(result, 32))
- return make_out_of_range_reloc_error();
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: 0x" << Twine::utohexstr(S);
- llvm::dbgs() << " A: 0x" << Twine::utohexstr(A);
- llvm::dbgs() << " P: 0x" << Twine::utohexstr(P);
- llvm::dbgs() << " result: 0x" << Twine::utohexstr(result) << "\n");
- write32le(location, result | read32le(location));
- return std::error_code();
-}
-
-/// \brief R_AARCH64_ABS16 - word16: S + A
-static std::error_code relocR_AARCH64_ABS16(uint8_t *location, uint64_t P,
- uint64_t S, int64_t A) {
- int64_t result = S + A;
- if (!withinSignedUnsignedRange(result, 16))
- return make_out_of_range_reloc_error();
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: 0x" << Twine::utohexstr(S);
- llvm::dbgs() << " A: 0x" << Twine::utohexstr(A);
- llvm::dbgs() << " P: 0x" << Twine::utohexstr(P);
- llvm::dbgs() << " result: 0x" << Twine::utohexstr(result) << "\n");
- write16le(location, result | read16le(location));
- return std::error_code();
-}
-
-/// \brief R_AARCH64_PREL64 - word64: S + A - P
-static void relocR_AARCH64_PREL64(uint8_t *location, uint64_t P,
- uint64_t S, int64_t A) {
- int64_t result = S + A - P;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: 0x" << Twine::utohexstr(S);
- llvm::dbgs() << " A: 0x" << Twine::utohexstr(A);
- llvm::dbgs() << " P: 0x" << Twine::utohexstr(P);
- llvm::dbgs() << " result: 0x" << Twine::utohexstr(result) << "\n");
- write64le(location, result + read64le(location));
-}
-
-/// \brief R_AARCH64_PREL32 - word32: S + A - P
-static std::error_code relocR_AARCH64_PREL32(uint8_t *location, uint64_t P,
- uint64_t S, int64_t A) {
- int64_t result = S + A - P;
- // ELF for the ARM 64-bit architecture manual states the overflow
- // for R_AARCH64_PREL32 to be -2^(-31) <= X < 2^32
- if (!withinSignedUnsignedRange(result, 32))
- return make_out_of_range_reloc_error();
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: 0x" << Twine::utohexstr(S);
- llvm::dbgs() << " A: 0x" << Twine::utohexstr(A);
- llvm::dbgs() << " P: 0x" << Twine::utohexstr(P);
- llvm::dbgs() << " result: 0x" << Twine::utohexstr(result) << "\n");
- write32le(location, result + read32le(location));
- return std::error_code();
-}
-
-/// \brief R_AARCH64_PREL16 - word16: S + A - P
-static std::error_code relocR_AARCH64_PREL16(uint8_t *location, uint64_t P,
- uint64_t S, int64_t A) {
- int64_t result = S + A - P;
- if (!withinSignedUnsignedRange(result, 16))
- return make_out_of_range_reloc_error();
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: 0x" << Twine::utohexstr(S);
- llvm::dbgs() << " A: 0x" << Twine::utohexstr(A);
- llvm::dbgs() << " P: 0x" << Twine::utohexstr(P);
- llvm::dbgs() << " result: 0x" << Twine::utohexstr(result) << "\n");
- write16le(location, result + read16le(location));
- return std::error_code();
-}
-
-/// \brief R_AARCH64_ADR_PREL_PG_HI21 - Page(S+A) - Page(P)
-static std::error_code relocR_AARCH64_ADR_PREL_PG_HI21(uint8_t *location,
- uint64_t P, uint64_t S,
- int64_t A) {
- int64_t result = page(S + A) - page(P);
- if (!isInt<32>(result))
- return make_out_of_range_reloc_error();
- result = result >> 12;
- uint32_t immlo = result & 0x3;
- uint32_t immhi = result & 0x1FFFFC;
- immlo = immlo << 29;
- immhi = immhi << 3;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " immhi: " << Twine::utohexstr(immhi);
- llvm::dbgs() << " immlo: " << Twine::utohexstr(immlo);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, immlo | immhi | read32le(location));
- return std::error_code();
-}
-
-/// \brief R_AARCH64_ADR_PREL_LO21 - S + A - P
-static std::error_code relocR_AARCH64_ADR_PREL_LO21(uint8_t *location, uint64_t P,
- uint64_t S, int64_t A) {
- uint64_t result = S + A - P;
- if (!isInt<20>(result))
- return make_out_of_range_reloc_error();
- uint32_t immlo = result & 0x3;
- uint32_t immhi = result & 0x1FFFFC;
- immlo = immlo << 29;
- immhi = immhi << 3;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " immhi: " << Twine::utohexstr(immhi);
- llvm::dbgs() << " immlo: " << Twine::utohexstr(immlo);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, immlo | immhi | read32le(location));
- return std::error_code();
-}
-
-/// \brief R_AARCH64_ADD_ABS_LO12_NC
-static void relocR_AARCH64_ADD_ABS_LO12_NC(uint8_t *location, uint64_t P,
- uint64_t S, int64_t A) {
- int32_t result = (int32_t)((S + A) & 0xFFF);
- result <<= 10;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, result | read32le(location));
-}
-
-/// \brief R_AARCH64_CALL26 and R_AARCH64_JUMP26
-static std::error_code relocJump26(uint8_t *location, uint64_t P, uint64_t S,
- int64_t A) {
- int64_t result = S + A - P;
- if (!isInt<27>(result))
- return make_out_of_range_reloc_error();
- result &= 0x0FFFFFFC;
- result >>= 2;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, result | read32le(location));
- return std::error_code();
-}
-
-/// \brief R_AARCH64_CONDBR19
-static std::error_code relocR_AARCH64_CONDBR19(uint8_t *location, uint64_t P,
- uint64_t S, int64_t A) {
- int64_t result = S + A - P;
- if (!isInt<20>(result))
- return make_out_of_range_reloc_error();
- result &= 0x01FFFFC;
- result <<= 3;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, result | read32le(location));
- return std::error_code();
-}
-
-/// \brief R_AARCH64_LDST8_ABS_LO12_NC - S + A
-static void relocR_AARCH64_LDST8_ABS_LO12_NC(uint8_t *location, uint64_t P,
- uint64_t S, int64_t A) {
- int32_t result = (int32_t)((S + A) & 0xFFF);
- result <<= 10;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, result | read32le(location));
-}
-
-/// \brief R_AARCH64_LDST16_ABS_LO12_NC
-static void relocR_AARCH64_LDST16_ABS_LO12_NC(uint8_t *location, uint64_t P,
- uint64_t S, int64_t A) {
- int32_t result = (int32_t)(S + A);
- result &= 0x0FFC;
- result <<= 9;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, result | read32le(location));
-}
-
-/// \brief R_AARCH64_LDST32_ABS_LO12_NC
-static void relocR_AARCH64_LDST32_ABS_LO12_NC(uint8_t *location, uint64_t P,
- uint64_t S, int64_t A) {
- int32_t result = (int32_t)(S + A);
- result &= 0x0FFC;
- result <<= 8;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, result | read32le(location));
-}
-
-/// \brief R_AARCH64_LDST64_ABS_LO12_NC
-static void relocR_AARCH64_LDST64_ABS_LO12_NC(uint8_t *location, uint64_t P,
- uint64_t S, int64_t A) {
- int32_t result = (int32_t)(S + A);
- result &= 0x0FF8;
- result <<= 7;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, result | read32le(location));
-}
-
-/// \brief R_AARCH64_LDST128_ABS_LO12_NC
-static void relocR_AARCH64_LDST128_ABS_LO12_NC(uint8_t *location, uint64_t P,
- uint64_t S, int64_t A) {
- int32_t result = (int32_t)(S + A);
- result &= 0x0FF8;
- result <<= 6;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, result | read32le(location));
-}
-
-static std::error_code relocR_AARCH64_ADR_GOT_PAGE(uint8_t *location,
- uint64_t P, uint64_t S,
- int64_t A) {
- uint64_t result = page(S + A) - page(P);
- if (!isInt<32>(result))
- return make_out_of_range_reloc_error();
- result = (result >> 12) & 0x3FFFF;
- uint32_t immlo = result & 0x3;
- uint32_t immhi = result & 0x1FFFFC;
- immlo = immlo << 29;
- immhi = immhi << 3;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " immhi: " << Twine::utohexstr(immhi);
- llvm::dbgs() << " immlo: " << Twine::utohexstr(immlo);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, immlo | immhi | read32le(location));
- return std::error_code();
-}
-
-// R_AARCH64_LD64_GOT_LO12_NC
-static std::error_code relocR_AARCH64_LD64_GOT_LO12_NC(uint8_t *location,
- uint64_t P, uint64_t S,
- int64_t A) {
- int32_t result = S + A;
- DEBUG(llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- if ((result & 0x7) != 0)
- return make_unaligned_range_reloc_error();
- result &= 0xFF8;
- result <<= 7;
- write32le(location, result | read32le(location));
- return std::error_code();
-}
-
-// ADD_AARCH64_GOTRELINDEX
-static void relocADD_AARCH64_GOTRELINDEX(uint8_t *location, uint64_t P,
- uint64_t S, int64_t A) {
- int32_t result = S + A;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- result &= 0xFFF;
- result <<= 10;
- write32le(location, result | read32le(location));
-}
-
-// R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21
-static std::error_code relocR_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21(uint8_t *location,
- uint64_t P,
- uint64_t S,
- int64_t A) {
- int64_t result = page(S + A) - page(P);
- if (!isInt<32>(result))
- return make_out_of_range_reloc_error();
- result >>= 12;
- uint32_t immlo = result & 0x3;
- uint32_t immhi = result & 0x1FFFFC;
- immlo = immlo << 29;
- immhi = immhi << 3;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " immhi: " << Twine::utohexstr(immhi);
- llvm::dbgs() << " immlo: " << Twine::utohexstr(immlo);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, immlo | immhi | read32le(location));
- return std::error_code();
-}
-
-// R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC
-static void relocR_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC(uint8_t *location,
- uint64_t P, uint64_t S,
- int64_t A) {
- int32_t result = S + A;
- result &= 0xFF8;
- result <<= 7;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, result | read32le(location));
-}
-
-/// \brief R_AARCH64_TLSLE_ADD_TPREL_HI12
-static std::error_code relocR_AARCH64_TLSLE_ADD_TPREL_HI12(uint8_t *location,
- uint64_t P,
- uint64_t S,
- int64_t A) {
- int64_t result = S + A;
- if (!isUInt<24>(result))
- return make_out_of_range_reloc_error();
- result &= 0x0FFF000;
- result >>= 2;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, result | read32le(location));
- return std::error_code();
-}
-
-/// \brief R_AARCH64_TLSLE_ADD_TPREL_LO12_NC
-static void relocR_AARCH64_TLSLE_ADD_TPREL_LO12_NC(uint8_t *location,
- uint64_t P, uint64_t S,
- int64_t A) {
- int32_t result = S + A;
- result &= 0x0FFF;
- result <<= 10;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, result | read32le(location));
-}
-
-/// \brief R_AARCH64_TLSDESC_ADR_PAGE21 - Page(G(GTLSDESC(S+A))) - Page(P)
-static std::error_code relocR_AARCH64_TLSDESC_ADR_PAGE21(uint8_t *location,
- uint64_t P, uint64_t S,
- int64_t A) {
- int64_t result = page(S + A) - page(P);
- if (!isInt<32>(result))
- return make_out_of_range_reloc_error();
- result = result >> 12;
- uint32_t immlo = result & 0x3;
- uint32_t immhi = result & 0x1FFFFC;
- immlo = immlo << 29;
- immhi = immhi << 3;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " immhi: " << Twine::utohexstr(immhi);
- llvm::dbgs() << " immlo: " << Twine::utohexstr(immlo);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, immlo | immhi | read32le(location));
- return std::error_code();
-}
-
-/// \brief R_AARCH64_TLSDESC_LD64_LO12_NC - G(GTLSDESC(S+A)) -> S + A
-static std::error_code relocR_AARCH64_TLSDESC_LD64_LO12_NC(uint8_t *location,
- uint64_t P,
- uint64_t S,
- int64_t A) {
- int32_t result = S + A;
- DEBUG(llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- if ((result & 0x7) != 0)
- return make_unaligned_range_reloc_error();
- result &= 0xFF8;
- result <<= 7;
- write32le(location, result | read32le(location));
- return std::error_code();
-}
-
-/// \brief R_AARCH64_TLSDESC_ADD_LO12_NC - G(GTLSDESC(S+A)) -> S + A
-static void relocR_AARCH64_TLSDESC_ADD_LO12_NC(uint8_t *location, uint64_t P,
- uint64_t S, int64_t A) {
- int32_t result = (int32_t)((S + A) & 0xFFF);
- result <<= 10;
- DEBUG(llvm::dbgs() << "\t\tHandle " << LLVM_FUNCTION_NAME << " -";
- llvm::dbgs() << " S: " << Twine::utohexstr(S);
- llvm::dbgs() << " A: " << Twine::utohexstr(A);
- llvm::dbgs() << " P: " << Twine::utohexstr(P);
- llvm::dbgs() << " result: " << Twine::utohexstr(result) << "\n");
- write32le(location, result | read32le(location));
-}
-
-std::error_code AArch64TargetRelocationHandler::applyRelocation(
- ELFWriter &writer, llvm::FileOutputBuffer &buf, const AtomLayout &atom,
- const Reference &ref) const {
- uint8_t *atomContent = buf.getBufferStart() + atom._fileOffset;
- uint8_t *loc = atomContent + ref.offsetInAtom();
- uint64_t target = writer.addressOfAtom(ref.target());
- uint64_t reloc = atom._virtualAddr + ref.offsetInAtom();
- int64_t addend = ref.addend();
-
- if (ref.kindNamespace() != Reference::KindNamespace::ELF)
- return std::error_code();
- assert(ref.kindArch() == Reference::KindArch::AArch64);
- switch (ref.kindValue()) {
- case R_AARCH64_NONE:
- break;
- case R_AARCH64_ABS64:
- relocR_AARCH64_ABS64(loc, reloc, target, addend);
- break;
- case R_AARCH64_ABS32:
- return relocR_AARCH64_ABS32(loc, reloc, target, addend);
- case R_AARCH64_ABS16:
- return relocR_AARCH64_ABS16(loc, reloc, target, addend);
- case R_AARCH64_PREL64:
- relocR_AARCH64_PREL64(loc, reloc, target, addend);
- break;
- case R_AARCH64_PREL32:
- return relocR_AARCH64_PREL32(loc, reloc, target, addend);
- case R_AARCH64_PREL16:
- return relocR_AARCH64_PREL16(loc, reloc, target, addend);
- case R_AARCH64_ADR_PREL_PG_HI21:
- return relocR_AARCH64_ADR_PREL_PG_HI21(loc, reloc, target, addend);
- case R_AARCH64_ADR_PREL_LO21:
- return relocR_AARCH64_ADR_PREL_LO21(loc, reloc, target, addend);
- case R_AARCH64_ADD_ABS_LO12_NC:
- relocR_AARCH64_ADD_ABS_LO12_NC(loc, reloc, target, addend);
- break;
- case R_AARCH64_CALL26:
- case R_AARCH64_JUMP26:
- return relocJump26(loc, reloc, target, addend);
- case R_AARCH64_CONDBR19:
- return relocR_AARCH64_CONDBR19(loc, reloc, target, addend);
- case R_AARCH64_ADR_GOT_PAGE:
- return relocR_AARCH64_ADR_GOT_PAGE(loc, reloc, target, addend);
- case R_AARCH64_LD64_GOT_LO12_NC:
- return relocR_AARCH64_LD64_GOT_LO12_NC(loc, reloc, target, addend);
- case R_AARCH64_LDST8_ABS_LO12_NC:
- relocR_AARCH64_LDST8_ABS_LO12_NC(loc, reloc, target, addend);
- break;
- case R_AARCH64_LDST16_ABS_LO12_NC:
- relocR_AARCH64_LDST16_ABS_LO12_NC(loc, reloc, target, addend);
- break;
- case R_AARCH64_LDST32_ABS_LO12_NC:
- relocR_AARCH64_LDST32_ABS_LO12_NC(loc, reloc, target, addend);
- break;
- case R_AARCH64_LDST64_ABS_LO12_NC:
- relocR_AARCH64_LDST64_ABS_LO12_NC(loc, reloc, target, addend);
- break;
- case R_AARCH64_LDST128_ABS_LO12_NC:
- relocR_AARCH64_LDST128_ABS_LO12_NC(loc, reloc, target, addend);
- break;
- case ADD_AARCH64_GOTRELINDEX:
- relocADD_AARCH64_GOTRELINDEX(loc, reloc, target, addend);
- break;
- case R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
- return relocR_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21(loc, reloc, target, addend);
- case R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
- relocR_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC(loc, reloc, target, addend);
- break;
- case R_AARCH64_TLSLE_ADD_TPREL_HI12:
- case R_AARCH64_TLSLE_ADD_TPREL_LO12_NC: {
- auto tpoffset = _layout.getTPOffset();
- if (ref.kindValue() == R_AARCH64_TLSLE_ADD_TPREL_HI12)
- return relocR_AARCH64_TLSLE_ADD_TPREL_HI12(loc, reloc, target + tpoffset,
- addend);
- else
- relocR_AARCH64_TLSLE_ADD_TPREL_LO12_NC(loc, reloc, target + tpoffset,
- addend);
- } break;
- case R_AARCH64_TLSDESC_ADR_PAGE21:
- return relocR_AARCH64_TLSDESC_ADR_PAGE21(loc, reloc, target, addend);
- case R_AARCH64_TLSDESC_LD64_LO12_NC:
- return relocR_AARCH64_TLSDESC_LD64_LO12_NC(loc, reloc, target, addend);
- case R_AARCH64_TLSDESC_ADD_LO12_NC:
- relocR_AARCH64_TLSDESC_ADD_LO12_NC(loc, reloc, target, addend);
- break;
- case R_AARCH64_TLSDESC_CALL:
- // Relaxation only to optimize TLS access. Ignore for now.
- break;
- // Runtime only relocations. Ignore here.
- case R_AARCH64_RELATIVE:
- case R_AARCH64_IRELATIVE:
- case R_AARCH64_JUMP_SLOT:
- case R_AARCH64_GLOB_DAT:
- case R_AARCH64_TLS_TPREL64:
- case R_AARCH64_TLSDESC:
- break;
- default:
- return make_unhandled_reloc_error();
- }
- return std::error_code();
-}