Index: lld/ELF/Arch/PPC64.cpp =================================================================== --- lld/ELF/Arch/PPC64.cpp +++ lld/ELF/Arch/PPC64.cpp @@ -670,6 +670,8 @@ case R_PPC64_TOC16_HI: case R_PPC64_TOC16_LO: return R_GOTREL; + case R_PPC64_GOT_PCREL34: + return R_GOT_PC; case R_PPC64_TOC16_HA: case R_PPC64_TOC16_LO_DS: return config->tocOptimize ? R_PPC64_RELAX_TOC : R_GOTREL; @@ -1013,6 +1015,19 @@ writePrefixedInstruction(loc, instr | si0 | si1); break; } + case R_PPC64_GOT_PCREL34: { + uint64_t si0Mask = 0x00000003FFFF0000; + uint64_t si1Mask = 0x000000000000FFFF; + uint64_t fullMask = 0x0003FFFF0000FFFF; + checkInt(loc, val, 34, rel); + + uint64_t si0 = (val & si0Mask) << 16; + uint64_t si1 = (val & si1Mask); + uint64_t instr = readPrefixedInstruction(loc) & ~fullMask; + + writePrefixedInstruction(loc, instr | si0 | si1); + break; + } default: llvm_unreachable("unknown relocation"); } Index: lld/test/ELF/ppc64-got-pcrel34-reloc.s =================================================================== --- /dev/null +++ lld/test/ELF/ppc64-got-pcrel34-reloc.s @@ -0,0 +1,48 @@ +# REQUIRES: ppc + +# RUN: llvm-mc -filetype=obj -triple=powerpc64le %s -o %t.o +# RUN: ld.lld --shared %t.o -o %t +# RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYMBOL +# RUN: llvm-readelf -r %t | FileCheck %s --check-prefix=RELA +# RUN: llvm-objdump -d --no-show-raw-insn --mcpu=future %t | FileCheck %s + +# RUN: llvm-mc -filetype=obj -triple=powerpc64 %s -o %t.o +# RUN: ld.lld --shared %t.o -o %t +# RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYMBOL +# RUN: llvm-readelf -r %t | FileCheck %s --check-prefix=RELA +# RUN: llvm-objdump -d --no-show-raw-insn --mcpu=future %t | FileCheck %s + +.text +.globl _start +_start: +# CHECK-LABEL: Disassembly of section .GLOB_INT_PCREL +# CHECK: 10340: pld 3, 565808(0), 1 +# CHECK: 10348: lwa 3, 0(3) +# SYMBOL: 00000000 0 NOTYPE GLOBAL DEFAULT UND glob_int +# RELA: 0009a570 0000000100000014 R_PPC64_GLOB_DAT 0000000000000000 glob_int + 0 +.section .GLOB_INT_PCREL,"ax",@progbits + pld 3, glob_int@got@PCREL(0), 1 + lwa 3, 0(3) + blr + +# CHECK-LABEL: Disassembly of section .GLOB_INT_PCREL_OFFSET +# CHECK: 10380: pld 3, 565752(0), 1 +# CHECK: 10388: lwa 3, 8(3) +# SYMBOL: 00000000 0 NOTYPE GLOBAL DEFAULT UND glob_int8 +# RELA: 0009a578 0000000200000014 R_PPC64_GLOB_DAT 0000000000000000 glob_int8 + 0 +.section .GLOB_INT_PCREL_OFFSET,"ax",@progbits + pld 3, glob_int8@got@PCREL(0), 1 + lwa 3, 8(3) + blr + + +# CHECK-LABEL: Disassembly of section .GLOB_INT_PCREL_BIGOFFSET +# CHECK: 8a4c0: pld 3, 65728(0), 1 +# CHECK: 8a4c8: lwa 3, 64(3) +# SYMBOL: 00000000 0 NOTYPE GLOBAL DEFAULT UND glob_int8_big +# RELA: 0009a580 0000000300000014 R_PPC64_GLOB_DAT 0000000000000000 glob_int8_big + 0 +.space 500000 +.section .GLOB_INT_PCREL_BIGOFFSET,"ax",@progbits + pld 3, glob_int8_big@got@PCREL(0), 1 + lwa 3, 64(3) + blr