| // REQUIRES: aarch64 |
| // RUN: llvm-mc -filetype=obj -triple=aarch64-pc-freebsd %s -o %t.o |
| // RUN: llvm-mc -filetype=obj -triple=aarch64-pc-freebsd %p/Inputs/plt-aarch64.s -o %t2.o |
| // RUN: ld.lld -shared %t2.o -o %t2.so |
| // RUN: ld.lld -shared %t.o %t2.so -o %t.so |
| // RUN: ld.lld %t.o %t2.so -o %t.exe |
| // RUN: llvm-readobj -s -r %t.so | FileCheck --check-prefix=CHECKDSO %s |
| // RUN: llvm-objdump -s -section=.got.plt %t.so | FileCheck --check-prefix=DUMPDSO %s |
| // RUN: llvm-objdump -d %t.so | FileCheck --check-prefix=DISASMDSO %s |
| // RUN: llvm-readobj -s -r %t.exe | FileCheck --check-prefix=CHECKEXE %s |
| // RUN: llvm-objdump -s -section=.got.plt %t.exe | FileCheck --check-prefix=DUMPEXE %s |
| // RUN: llvm-objdump -d %t.exe | FileCheck --check-prefix=DISASMEXE %s |
| |
| // CHECKDSO: Name: .plt |
| // CHECKDSO-NEXT: Type: SHT_PROGBITS |
| // CHECKDSO-NEXT: Flags [ |
| // CHECKDSO-NEXT: SHF_ALLOC |
| // CHECKDSO-NEXT: SHF_EXECINSTR |
| // CHECKDSO-NEXT: ] |
| // CHECKDSO-NEXT: Address: 0x10010 |
| // CHECKDSO-NEXT: Offset: |
| // CHECKDSO-NEXT: Size: 80 |
| // CHECKDSO-NEXT: Link: |
| // CHECKDSO-NEXT: Info: |
| // CHECKDSO-NEXT: AddressAlignment: 16 |
| |
| // CHECKDSO: Name: .got.plt |
| // CHECKDSO-NEXT: Type: SHT_PROGBITS |
| // CHECKDSO-NEXT: Flags [ |
| // CHECKDSO-NEXT: SHF_ALLOC |
| // CHECKDSO-NEXT: SHF_WRITE |
| // CHECKDSO-NEXT: ] |
| // CHECKDSO-NEXT: Address: 0x20000 |
| // CHECKDSO-NEXT: Offset: |
| // CHECKDSO-NEXT: Size: 48 |
| // CHECKDSO-NEXT: Link: |
| // CHECKDSO-NEXT: Info: |
| // CHECKDSO-NEXT: AddressAlignment: 8 |
| |
| // CHECKDSO: Relocations [ |
| // CHECKDSO-NEXT: Section ({{.*}}) .rela.plt { |
| |
| // &(.got.plt[3]) = 0x20000 + 3 * 8 = 0x30018 |
| // CHECKDSO-NEXT: 0x20018 R_AARCH64_JUMP_SLOT foo |
| |
| // &(.got.plt[4]) = 0x20000 + 4 * 8 = 0x30020 |
| // CHECKDSO-NEXT: 0x20020 R_AARCH64_JUMP_SLOT bar |
| |
| // &(.got.plt[5]) = 0x20000 + 5 * 8 = 0x30028 |
| // CHECKDSO-NEXT: 0x20028 R_AARCH64_JUMP_SLOT weak |
| // CHECKDSO-NEXT: } |
| // CHECKDSO-NEXT: ] |
| |
| // DUMPDSO: Contents of section .got.plt: |
| // .got.plt[0..2] = 0 (reserved) |
| // .got.plt[3..5] = .plt = 0x10010 |
| // DUMPDSO-NEXT: 20000 00000000 00000000 00000000 00000000 ................ |
| // DUMPDSO-NEXT: 20010 00000000 00000000 10000100 00000000 ................ |
| // DUMPDSO-NEXT: 20020 10000100 00000000 10000100 00000000 ................ |
| |
| // DISASMDSO: _start: |
| // 0x10030 - 0x10000 = 0x30 = 48 |
| // DISASMDSO-NEXT: 10000: 0c 00 00 14 b #48 |
| // 0x10040 - 0x10004 = 0x3c = 60 |
| // DISASMDSO-NEXT: 10004: 0f 00 00 14 b #60 |
| // 0x10050 - 0x10008 = 0x48 = 72 |
| // DISASMDSO-NEXT: 10008: 12 00 00 14 b #72 |
| |
| // DISASMDSO: foo: |
| // DISASMDSO-NEXT: 1000c: 1f 20 03 d5 nop |
| |
| // DISASMDSO: Disassembly of section .plt: |
| // DISASMDSO-NEXT: .plt: |
| // DISASMDSO-NEXT: 10010: f0 7b bf a9 stp x16, x30, [sp, #-16]! |
| // &(.got.plt[2]) = 0x3000 + 2 * 8 = 0x3010 |
| // Page(0x20010) - Page(0x10014) = 0x20000 - 0x10000 = 0x10000 = 65536 |
| // DISASMDSO-NEXT: 10014: 90 00 00 90 adrp x16, #65536 |
| // 0x3010 & 0xFFF = 0x10 = 16 |
| // DISASMDSO-NEXT: 10018: 11 0a 40 f9 ldr x17, [x16, #16] |
| // DISASMDSO-NEXT: 1001c: 10 42 00 91 add x16, x16, #16 |
| // DISASMDSO-NEXT: 10020: 20 02 1f d6 br x17 |
| // DISASMDSO-NEXT: 10024: 1f 20 03 d5 nop |
| // DISASMDSO-NEXT: 10028: 1f 20 03 d5 nop |
| // DISASMDSO-NEXT: 1002c: 1f 20 03 d5 nop |
| |
| // foo@plt |
| // Page(0x30018) - Page(0x10030) = 0x20000 - 0x10000 = 0x10000 = 65536 |
| // DISASMDSO-NEXT: 10030: 90 00 00 90 adrp x16, #65536 |
| // 0x3018 & 0xFFF = 0x18 = 24 |
| // DISASMDSO-NEXT: 10034: 11 0e 40 f9 ldr x17, [x16, #24] |
| // DISASMDSO-NEXT: 10038: 10 62 00 91 add x16, x16, #24 |
| // DISASMDSO-NEXT: 1003c: 20 02 1f d6 br x17 |
| |
| // bar@plt |
| // Page(0x30020) - Page(0x10040) = 0x20000 - 0x10000 = 0x10000 = 65536 |
| // DISASMDSO-NEXT: 10040: 90 00 00 90 adrp x16, #65536 |
| // 0x3020 & 0xFFF = 0x20 = 32 |
| // DISASMDSO-NEXT: 10044: 11 12 40 f9 ldr x17, [x16, #32] |
| // DISASMDSO-NEXT: 10048: 10 82 00 91 add x16, x16, #32 |
| // DISASMDSO-NEXT: 1004c: 20 02 1f d6 br x17 |
| |
| // weak@plt |
| // Page(0x30028) - Page(0x10050) = 0x20000 - 0x10000 = 0x10000 = 65536 |
| // DISASMDSO-NEXT: 10050: 90 00 00 90 adrp x16, #65536 |
| // 0x3028 & 0xFFF = 0x28 = 40 |
| // DISASMDSO-NEXT: 10054: 11 16 40 f9 ldr x17, [x16, #40] |
| // DISASMDSO-NEXT: 10058: 10 a2 00 91 add x16, x16, #40 |
| // DISASMDSO-NEXT: 1005c: 20 02 1f d6 br x17 |
| |
| // CHECKEXE: Name: .plt |
| // CHECKEXE-NEXT: Type: SHT_PROGBITS |
| // CHECKEXE-NEXT: Flags [ |
| // CHECKEXE-NEXT: SHF_ALLOC |
| // CHECKEXE-NEXT: SHF_EXECINSTR |
| // CHECKEXE-NEXT: ] |
| // CHECKEXE-NEXT: Address: 0x20010 |
| // CHECKEXE-NEXT: Offset: |
| // CHECKEXE-NEXT: Size: 64 |
| // CHECKEXE-NEXT: Link: |
| // CHECKEXE-NEXT: Info: |
| // CHECKEXE-NEXT: AddressAlignment: 16 |
| |
| // CHECKEXE: Name: .got.plt |
| // CHECKEXE-NEXT: Type: SHT_PROGBITS |
| // CHECKEXE-NEXT: Flags [ |
| // CHECKEXE-NEXT: SHF_ALLOC |
| // CHECKEXE-NEXT: SHF_WRITE |
| // CHECKEXE-NEXT: ] |
| // CHECKEXE-NEXT: Address: 0x30000 |
| // CHECKEXE-NEXT: Offset: |
| // CHECKEXE-NEXT: Size: 40 |
| // CHECKEXE-NEXT: Link: |
| // CHECKEXE-NEXT: Info: |
| // CHECKEXE-NEXT: AddressAlignment: 8 |
| |
| // CHECKEXE: Relocations [ |
| // CHECKEXE-NEXT: Section ({{.*}}) .rela.plt { |
| |
| // &(.got.plt[3]) = 0x30000 + 3 * 8 = 0x30018 |
| // CHECKEXE-NEXT: 0x30018 R_AARCH64_JUMP_SLOT bar 0x0 |
| |
| // &(.got.plt[4]) = 0x30000 + 4 * 8 = 0x30020 |
| // CHECKEXE-NEXT: 0x30020 R_AARCH64_JUMP_SLOT weak 0x0 |
| // CHECKEXE-NEXT: } |
| // CHECKEXE-NEXT: ] |
| |
| // DUMPEXE: Contents of section .got.plt: |
| // .got.plt[0..2] = 0 (reserved) |
| // .got.plt[3..4] = .plt = 0x40010 |
| // DUMPEXE-NEXT: 30000 00000000 00000000 00000000 00000000 ................ |
| // DUMPEXE-NEXT: 30010 00000000 00000000 10000200 00000000 ................ |
| // DUMPEXE-NEXT: 30020 10000200 00000000 ........ |
| |
| // DISASMEXE: _start: |
| // 0x2000c - 0x20000 = 0xc = 12 |
| // DISASMEXE-NEXT: 20000: 03 00 00 14 b #12 |
| // 0x20030 - 0x20004 = 0x2c = 44 |
| // DISASMEXE-NEXT: 20004: 0b 00 00 14 b #44 |
| // 0x20040 - 0x20008 = 0x38 = 56 |
| // DISASMEXE-NEXT: 20008: 0e 00 00 14 b #56 |
| |
| // DISASMEXE: foo: |
| // DISASMEXE-NEXT: 2000c: 1f 20 03 d5 nop |
| |
| // DISASMEXE: Disassembly of section .plt: |
| // DISASMEXE-NEXT: .plt: |
| // DISASMEXE-NEXT: 20010: f0 7b bf a9 stp x16, x30, [sp, #-16]! |
| // &(.got.plt[2]) = 0x300B0 + 2 * 8 = 0x300C0 |
| // Page(0x30010) - Page(0x20014) = 0x30000 - 0x20000 = 0x10000 = 65536 |
| // DISASMEXE-NEXT: 20014: 90 00 00 90 adrp x16, #65536 |
| // 0x120c0 & 0xFFF = 0xC0 = 192 |
| // DISASMEXE-NEXT: 20018: 11 0a 40 f9 ldr x17, [x16, #16] |
| // DISASMEXE-NEXT: 2001c: 10 42 00 91 add x16, x16, #16 |
| // DISASMEXE-NEXT: 20020: 20 02 1f d6 br x17 |
| // DISASMEXE-NEXT: 20024: 1f 20 03 d5 nop |
| // DISASMEXE-NEXT: 20028: 1f 20 03 d5 nop |
| // DISASMEXE-NEXT: 2002c: 1f 20 03 d5 nop |
| |
| // bar@plt |
| // Page(0x40018) - Page(0x20030) = 0x30000 - 0x20000 = 0x10000 = 65536 |
| // DISASMEXE-NEXT: 20030: 90 00 00 90 adrp x16, #65536 |
| // DISASMEXE-NEXT: 20034: 11 0e 40 f9 ldr x17, [x16, #24] |
| // DISASMEXE-NEXT: 20038: 10 62 00 91 add x16, x16, #24 |
| // DISASMEXE-NEXT: 2003c: 20 02 1f d6 br x17 |
| |
| // weak@plt |
| // Page(0x40020) - Page(0x20040) = 0x30000 - 0x20000 = 0x10000 = 65536 |
| // DISASMEXE-NEXT: 20040: 90 00 00 90 adrp x16, #65536 |
| // DISASMEXE-NEXT: 20044: 11 12 40 f9 ldr x17, [x16, #32] |
| // DISASMEXE-NEXT: 20048: 10 82 00 91 add x16, x16, #32 |
| // DISASMEXE-NEXT: 2004c: 20 02 1f d6 br x17 |
| |
| .global _start,foo,bar |
| .weak weak |
| _start: |
| b foo |
| b bar |
| b weak |
| |
| .section .text2,"ax",@progbits |
| foo: |
| nop |
