1# REQUIRES: riscv 2# RUN: echo '.globl b; b:' | llvm-mc -filetype=obj -triple=riscv32 - -o %t1.o 3# RUN: ld.lld -shared %t1.o -o %t1.so 4 5# RUN: llvm-mc -filetype=obj -triple=riscv32 -position-independent %s -o %t.o 6# RUN: ld.lld %t.o %t1.so -o %t 7# RUN: llvm-readobj -r %t | FileCheck --check-prefix=RELOC32 %s 8# RUN: llvm-nm %t | FileCheck --check-prefix=NM %s 9# RUN: llvm-readobj -x .got %t | FileCheck --check-prefix=HEX32 %s 10# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=DIS32 %s 11 12# RUN: echo '.globl b; b:' | llvm-mc -filetype=obj -triple=riscv64 - -o %t1.o 13# RUN: ld.lld -shared %t1.o -o %t1.so 14 15# RUN: llvm-mc -filetype=obj -triple=riscv64 -position-independent %s -o %t.o 16# RUN: ld.lld %t.o %t1.so -o %t 17# RUN: llvm-readobj -r %t | FileCheck --check-prefix=RELOC64 %s 18# RUN: llvm-nm %t | FileCheck --check-prefix=NM %s 19# RUN: llvm-readobj -x .got %t | FileCheck --check-prefix=HEX64 %s 20# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=DIS64 %s 21 22# SEC: .got PROGBITS 00012060 020060 00000c 23 24# RELOC32: .rela.dyn { 25# RELOC32-NEXT: 0x12068 R_RISCV_32 b 0x0 26# RELOC32-NEXT: } 27 28# RELOC64: .rela.dyn { 29# RELOC64-NEXT: 0x120D0 R_RISCV_64 b 0x0 30# RELOC64-NEXT: } 31 32# NM: 00013000 d a 33 34## .got[0] = _DYNAMIC 35## .got[1] = a (filled at link time) 36## .got[2] = 0 (relocated by R_RISCV_64 at runtime) 37# HEX32: section '.got': 38# HEX32: 0x00012060 00200100 00300100 00000000 39 40# HEX64: section '.got': 41# HEX64: 0x000120c0 00200100 00000000 00300100 00000000 42# HEX64: 0x000120d0 00000000 00000000 43 44## &.got[1]-. = 0x12060-0x11000 = 4096*1+100 45# DIS32: 11000: auipc a0, 1 46# DIS32-NEXT: lw a0, 100(a0) 47## &.got[2]-. = 0x12064-0x11008 = 4096*1+96 48# DIS32: 11008: auipc a0, 1 49# DIS32-NEXT: lw a0, 96(a0) 50 51## &.got[1]-. = 0x120c8-0x11000 = 4096*1+100 52# DIS64: 11000: auipc a0, 1 53# DIS64-NEXT: ld a0, 200(a0) 54## &.got[2]-. = 0x120d0-0x11008 = 4096*1+200 55# DIS64: 11008: auipc a0, 1 56# DIS64-NEXT: ld a0, 200(a0) 57 58la a0,a 59la a0,b 60 61.data 62a: 63## An undefined reference of _GLOBAL_OFFSET_TABLE_ causes .got[0] to be 64## allocated to store _DYNAMIC. 65.long _GLOBAL_OFFSET_TABLE_ - . 66