llvm-project/lld/test/ELF/plt-aarch64.s

213 lines
7.6 KiB
ArmAsm

// 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: 0x30000
// 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]) = 0x30000 + 3 * 8 = 0x30018
// CHECKDSO-NEXT: 0x30018 R_AARCH64_JUMP_SLOT foo
// &(.got.plt[4]) = 0x30000 + 4 * 8 = 0x30020
// CHECKDSO-NEXT: 0x30020 R_AARCH64_JUMP_SLOT bar
// &(.got.plt[5]) = 0x30000 + 5 * 8 = 0x30028
// CHECKDSO-NEXT: 0x30028 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: 30000 00000000 00000000 00000000 00000000 ................
// DUMPDSO-NEXT: 30010 00000000 00000000 10000100 00000000 ................
// DUMPDSO-NEXT: 30020 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(0x30010) - Page(0x10014) = 0x30000 - 0x10000 = 0x20000 = 131072
// DISASMDSO-NEXT: 10014: 10 01 00 90 adrp x16, #131072
// 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) = 0x30000 - 0x10000 = 0x20000 = 131072
// DISASMDSO-EMPTY:
// DISASMDSO-NEXT: foo@plt:
// DISASMDSO-NEXT: 10030: 10 01 00 90 adrp x16, #131072
// 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) = 0x30000 - 0x10000 = 0x20000 = 131072
// DISASMDSO-EMPTY:
// DISASMDSO-NEXT: bar@plt:
// DISASMDSO-NEXT: 10040: 10 01 00 90 adrp x16, #131072
// 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) = 0x30000 - 0x10000 = 0x20000 = 131072
// DISASMDSO-EMPTY:
// DISASMDSO-NEXT: weak@plt:
// DISASMDSO-NEXT: 10050: 10 01 00 90 adrp x16, #131072
// 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: 0x210010
// 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: 0x230000
// 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]) = 0x230000 + 3 * 8 = 0x230018
// CHECKEXE-NEXT: 0x230018 R_AARCH64_JUMP_SLOT bar 0x0
// &(.got.plt[4]) = 0x230000 + 4 * 8 = 0x230020
// CHECKEXE-NEXT: 0x230020 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: 230000 00000000 00000000 00000000 00000000
// DUMPEXE-NEXT: 230010 00000000 00000000 10002100 00000000
// DUMPEXE-NEXT: 230020 10002100 00000000
// DISASMEXE: _start:
// 0x21000c - 0x210000 = 0xc = 12
// DISASMEXE-NEXT: 210000: 03 00 00 14 b #12
// 0x210030 - 0x210004 = 0x2c = 44
// DISASMEXE-NEXT: 210004: 0b 00 00 14 b #44
// 0x210040 - 0x210008 = 0x38 = 56
// DISASMEXE-NEXT: 210008: 0e 00 00 14 b #56
// DISASMEXE: foo:
// DISASMEXE-NEXT: 21000c: 1f 20 03 d5 nop
// DISASMEXE: Disassembly of section .plt:
// DISASMEXE-NEXT: .plt:
// DISASMEXE-NEXT: 210010: f0 7b bf a9 stp x16, x30, [sp, #-16]!
// &(.got.plt[2]) = 0x2200B0 + 2 * 8 = 0x2200C0
// Page(0x230010) - Page(0x210014) = 0x230000 - 0x210000 = 0x20000 = 131072
// DISASMEXE-NEXT: 210014: 10 01 00 90 adrp x16, #131072
// 0x120c0 & 0xFFF = 0xC0 = 192
// DISASMEXE-NEXT: 210018: 11 0a 40 f9 ldr x17, [x16, #16]
// DISASMEXE-NEXT: 21001c: 10 42 00 91 add x16, x16, #16
// DISASMEXE-NEXT: 210020: 20 02 1f d6 br x17
// DISASMEXE-NEXT: 210024: 1f 20 03 d5 nop
// DISASMEXE-NEXT: 210028: 1f 20 03 d5 nop
// DISASMEXE-NEXT: 21002c: 1f 20 03 d5 nop
// bar@plt
// Page(0x230018) - Page(0x210030) = 0x230000 - 0x210000 = 0x20000 = 131072
// DISASMEXE-EMPTY:
// DISASMEXE-NEXT: bar@plt:
// DISASMEXE-NEXT: 210030: 10 01 00 90 adrp x16, #131072
// DISASMEXE-NEXT: 210034: 11 0e 40 f9 ldr x17, [x16, #24]
// DISASMEXE-NEXT: 210038: 10 62 00 91 add x16, x16, #24
// DISASMEXE-NEXT: 21003c: 20 02 1f d6 br x17
// weak@plt
// Page(0x230020) - Page(0x210040) = 0x230000 - 0x210000 = 0x20000 = 131072
// DISASMEXE-EMPTY:
// DISASMEXE-NEXT: weak@plt:
// DISASMEXE-NEXT: 210040: 10 01 00 90 adrp x16, #131072
// DISASMEXE-NEXT: 210044: 11 12 40 f9 ldr x17, [x16, #32]
// DISASMEXE-NEXT: 210048: 10 82 00 91 add x16, x16, #32
// DISASMEXE-NEXT: 21004c: 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