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1# REQUIRES: ppc2 3# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o4# RUN: llvm-readobj -r %t.o | FileCheck -check-prefix=RELOCS-LE %s5# RUN: ld.lld %t.o -o %t6# RUN: llvm-nm %t | FileCheck --check-prefix=NM %s7# RUN: llvm-readelf -x .got %t | FileCheck --check-prefix=HEX-LE %s8# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=CHECK %s9 10# RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o11# RUN: llvm-readobj -r %t.o | FileCheck -check-prefix=RELOCS-BE %s12# RUN: ld.lld %t.o -o %t13# RUN: llvm-nm %t | FileCheck --check-prefix=NM %s14# RUN: llvm-readelf -x .got %t | FileCheck --check-prefix=HEX-BE %s15# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=CHECK %s16 17# Make sure we calculate the offset correctly for a toc-relative access to a18# global variable as described by the PPC64 Elf V2 abi.19.abiversion 220 21# int global_a = 5522 .globl global_a23 .section ".data"24 .align 225 .type global_a, @object26 .size global_a, 427 .p2align 228global_a:29 .long 4130 31 32 .section ".text"33 .align 234 .global _start35 .type _start, @function36_start:37.Lfunc_gep0:38 addis 2, 12, .TOC.-.Lfunc_gep0@ha39 addi 2, 2, .TOC.-.Lfunc_gep0@l40.Lfunc_lep0:41 .localentry _start, .Lfunc_lep0-.Lfunc_gep042 43 addis 3, 2, global_a@toc@ha44 addi 3, 3, global_a@toc@l45 li 0,146 lwa 3, 0(3)47 sc48.size _start,.-_start49 50# Verify the relocations that get emitted for the global variable are the51# expected ones.52# RELOCS-LE: Relocations [53# RELOCS-LE-NEXT: .rela.text {54# RELOCS-LE: 0x8 R_PPC64_TOC16_HA global_a 0x055# RELOCS-LE: 0xC R_PPC64_TOC16_LO global_a 0x056 57# RELOCS-BE: Relocations [58# RELOCS-BE-NEXT: .rela.text {59# RELOCS-BE: 0xA R_PPC64_TOC16_HA global_a 0x060# RELOCS-BE: 0xE R_PPC64_TOC16_LO global_a 0x061 62# The .TOC. symbol represents the TOC base address: .got + 0x8000 = 0x10028000,63# which is stored in the first entry of .got64# NM: 00000000100281e8 d .TOC.65# NM: 00000000100301f0 D global_a66# HEX-LE: section '.got':67# HEX-LE-NEXT: 0x100201e8 e8810210 0000000068# HEX-BE: section '.got':69# HEX-BE-NEXT: 0x100201e8 00000000 100281e870 71# r2 stores the TOC base address. To access global_a with r3, it72# computes the address with TOC plus an offset.73# global_a - .TOC. = 0x100301f0 - 0x100281e8 = (1 << 16) - 3276074# CHECK: <_start>:75# CHECK: 100101d0: addis 3, 2, 176# CHECK-NEXT: 100101d4: addi 3, 3, -3276077