Fangrui Song | f01fa40 | 2019-07-01 17:12:18 | [diff] [blame] | 1 | # REQUIRES: riscv |
| 2 | # RUN: echo '.globl b; b:' | llvm-mc -filetype=obj -triple=riscv32 - -o %t1.o |
Fangrui Song | 523f999 | 2019-08-28 12:06:06 | [diff] [blame] | 3 | # RUN: ld.lld -shared %t1.o -soname=t1.so -o %t1.so |
Fangrui Song | f01fa40 | 2019-07-01 17:12:18 | [diff] [blame] | 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 |
Fangrui Song | 523f999 | 2019-08-28 12:06:06 | [diff] [blame] | 7 | # RUN: llvm-readelf -S %t | FileCheck --check-prefix=SEC32 %s |
Fangrui Song | f01fa40 | 2019-07-01 17:12:18 | [diff] [blame] | 8 | # RUN: llvm-readobj -r %t | FileCheck --check-prefix=RELOC32 %s |
Fangrui Song | 523f999 | 2019-08-28 12:06:06 | [diff] [blame] | 9 | # RUN: llvm-nm %t | FileCheck --check-prefix=NM32 %s |
Fangrui Song | f01fa40 | 2019-07-01 17:12:18 | [diff] [blame] | 10 | # RUN: llvm-readobj -x .got %t | FileCheck --check-prefix=HEX32 %s |
| 11 | # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=DIS32 %s |
| 12 | |
| 13 | # RUN: echo '.globl b; b:' | llvm-mc -filetype=obj -triple=riscv64 - -o %t1.o |
Fangrui Song | 523f999 | 2019-08-28 12:06:06 | [diff] [blame] | 14 | # RUN: ld.lld -shared %t1.o -soname=t1.so -o %t1.so |
Fangrui Song | f01fa40 | 2019-07-01 17:12:18 | [diff] [blame] | 15 | |
| 16 | # RUN: llvm-mc -filetype=obj -triple=riscv64 -position-independent %s -o %t.o |
| 17 | # RUN: ld.lld %t.o %t1.so -o %t |
Fangrui Song | 523f999 | 2019-08-28 12:06:06 | [diff] [blame] | 18 | # RUN: llvm-readelf -S %t | FileCheck --check-prefix=SEC64 %s |
Fangrui Song | f01fa40 | 2019-07-01 17:12:18 | [diff] [blame] | 19 | # RUN: llvm-readobj -r %t | FileCheck --check-prefix=RELOC64 %s |
Fangrui Song | 523f999 | 2019-08-28 12:06:06 | [diff] [blame] | 20 | # RUN: llvm-nm %t | FileCheck --check-prefix=NM64 %s |
Fangrui Song | f01fa40 | 2019-07-01 17:12:18 | [diff] [blame] | 21 | # RUN: llvm-readobj -x .got %t | FileCheck --check-prefix=HEX64 %s |
| 22 | # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=DIS64 %s |
| 23 | |
Fangrui Song | 523f999 | 2019-08-28 12:06:06 | [diff] [blame] | 24 | # SEC32: .got PROGBITS 0001220c 00020c 00000c |
| 25 | # SEC64: .got PROGBITS 0000000000012358 000358 000018 |
Fangrui Song | f01fa40 | 2019-07-01 17:12:18 | [diff] [blame] | 26 | |
| 27 | # RELOC32: .rela.dyn { |
Fangrui Song | 523f999 | 2019-08-28 12:06:06 | [diff] [blame] | 28 | # RELOC32-NEXT: 0x12214 R_RISCV_32 b 0x0 |
Fangrui Song | f01fa40 | 2019-07-01 17:12:18 | [diff] [blame] | 29 | # RELOC32-NEXT: } |
| 30 | |
| 31 | # RELOC64: .rela.dyn { |
Fangrui Song | 523f999 | 2019-08-28 12:06:06 | [diff] [blame] | 32 | # RELOC64-NEXT: 0x12368 R_RISCV_64 b 0x0 |
Fangrui Song | f01fa40 | 2019-07-01 17:12:18 | [diff] [blame] | 33 | # RELOC64-NEXT: } |
| 34 | |
Fangrui Song | 523f999 | 2019-08-28 12:06:06 | [diff] [blame] | 35 | # NM32: 00013218 d a |
| 36 | # NM64: 0000000000013370 d a |
Fangrui Song | f01fa40 | 2019-07-01 17:12:18 | [diff] [blame] | 37 | |
| 38 | ## .got[0] = _DYNAMIC |
| 39 | ## .got[1] = a (filled at link time) |
| 40 | ## .got[2] = 0 (relocated by R_RISCV_64 at runtime) |
| 41 | # HEX32: section '.got': |
Fangrui Song | 523f999 | 2019-08-28 12:06:06 | [diff] [blame] | 42 | # HEX32: 0x0001220c ac210100 18320100 00000000 |
Fangrui Song | f01fa40 | 2019-07-01 17:12:18 | [diff] [blame] | 43 | |
| 44 | # HEX64: section '.got': |
Fangrui Song | 523f999 | 2019-08-28 12:06:06 | [diff] [blame] | 45 | # HEX64: 0x00012358 98220100 00000000 70330100 00000000 |
| 46 | # HEX64: 0x00012368 00000000 00000000 |
Fangrui Song | f01fa40 | 2019-07-01 17:12:18 | [diff] [blame] | 47 | |
Fangrui Song | 523f999 | 2019-08-28 12:06:06 | [diff] [blame] | 48 | ## &.got[1]-. = 0x12210-0x1119c = 4096*1+116 |
| 49 | # DIS32: 1119c: auipc a0, 1 |
| 50 | # DIS32-NEXT: lw a0, 116(a0) |
| 51 | ## &.got[2]-. = 0x12214-0x111a4 = 4096*1+112 |
| 52 | # DIS32: 111a4: auipc a0, 1 |
| 53 | # DIS32-NEXT: lw a0, 112(a0) |
Fangrui Song | f01fa40 | 2019-07-01 17:12:18 | [diff] [blame] | 54 | |
Fangrui Song | 523f999 | 2019-08-28 12:06:06 | [diff] [blame] | 55 | ## &.got[1]-. = 0x12360-0x11288 = 4096*1+216 |
| 56 | # DIS64: 11288: auipc a0, 1 |
| 57 | # DIS64-NEXT: ld a0, 216(a0) |
| 58 | ## &.got[2]-. = 0x12368-0x11290 = 4096*1+216 |
| 59 | # DIS64: 11290: auipc a0, 1 |
| 60 | # DIS64-NEXT: ld a0, 216(a0) |
Fangrui Song | f01fa40 | 2019-07-01 17:12:18 | [diff] [blame] | 61 | |
| 62 | la a0,a |
| 63 | la a0,b |
| 64 | |
| 65 | .data |
| 66 | a: |
| 67 | ## An undefined reference of _GLOBAL_OFFSET_TABLE_ causes .got[0] to be |
| 68 | ## allocated to store _DYNAMIC. |
| 69 | .long _GLOBAL_OFFSET_TABLE_ - . |