derek.holloway
7502bf64a4
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149 lines
6.0 KiB
ArmAsm
149 lines
6.0 KiB
ArmAsm
// REQUIRES: aarch64
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// RUN: llvm-mc -filetype=obj -triple=aarch64-pc-freebsd %s -o %t.o
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// RUN: llvm-mc -filetype=obj -triple=aarch64-pc-freebsd %p/Inputs/plt-aarch64.s -o %t2.o
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// RUN: ld.lld -shared %t2.o -soname=t2.so -o %t2.so
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// RUN: ld.lld -shared %t.o %t2.so -o %t.so
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// RUN: ld.lld %t.o %t2.so -o %t.exe
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// RUN: llvm-readelf -S -r %t.so | FileCheck --check-prefix=CHECKDSO %s
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// RUN: llvm-objdump -s --section=.got.plt %t.so | FileCheck --check-prefix=DUMPDSO %s
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// RUN: llvm-objdump -d --no-show-raw-insn --print-imm-hex %t.so | FileCheck --check-prefix=DISASMDSO %s
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// RUN: llvm-readelf -S -r %t.exe | FileCheck --check-prefix=CHECKEXE %s
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// RUN: llvm-objdump -s --section=.got.plt %t.exe | FileCheck --check-prefix=DUMPEXE %s
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// RUN: llvm-objdump -d --no-show-raw-insn --print-imm-hex %t.exe | FileCheck --check-prefix=DISASMEXE %s
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// CHECKDSO-LABEL: Section Headers:
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/// Name Type Address Off Size ES Flg Lk Inf Al
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// CHECKDSO: .plt PROGBITS 0000000000010340 000340 000050 00 AXy 0 0 16
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// CHECKDSO: .got.plt PROGBITS 0000000000030450 000450 000030 00 WA 0 0 8
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// CHECKDSO-LABEL: Relocation section '.rela.plt' at offset 0x2e8 contains 3 entries:
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// CHECKDSO-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
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/// &(.got.plt[3]) = 0x30450 + 3 * 8 = 0x30468
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// CHECKDSO-NEXT: 0000000000030468 0000000400000402 R_AARCH64_JUMP_SLOT 000000000001033c foo + 0
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/// &(.got.plt[4]) = 0x30450 + 4 * 8 = 0x30470
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// CHECKDSO-NEXT: 0000000000030470 0000000100000402 R_AARCH64_JUMP_SLOT 0000000000000000 bar + 0
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/// &(.got.plt[5]) = 0x30000 + 5 * 8 = 0x30478
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// CHECKDSO-NEXT: 0000000000030478 0000000200000402 R_AARCH64_JUMP_SLOT 0000000000000000 weak + 0
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// DUMPDSO: Contents of section .got.plt:
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// .got.plt[0..2] = 0 (reserved)
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// .got.plt[3..5] = .plt = 0x10010
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// DUMPDSO-NEXT: 30450 00000000 00000000 00000000 00000000
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// DUMPDSO-NEXT: 30460 00000000 00000000 40030100 00000000
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// DUMPDSO-NEXT: 30470 40030100 00000000 40030100 00000000
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// DISASMDSO: <_start>:
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// DISASMDSO-NEXT: 10330: b 0x10360 <foo@plt>
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// DISASMDSO-NEXT: 10334: b 0x10370 <bar@plt>
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// DISASMDSO-NEXT: 10338: b 0x10380 <weak@plt>
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// DISASMDSO: <foo>:
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// DISASMDSO-NEXT: 1033c: nop
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// DISASMDSO: Disassembly of section .plt:
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// DISASMDSO-EMPTY:
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// DISASMDSO-NEXT: <.plt>:
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// DISASMDSO-NEXT: 10340: stp x16, x30, [sp, #-0x10]!
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// &(.got.plt[2]) = 0x30450 + 2 * 8 = 0x30460
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// DISASMDSO-NEXT: 10344: adrp x16, 0x30000
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// DISASMDSO-NEXT: 10348: ldr x17, [x16, #0x460]
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// DISASMDSO-NEXT: 1034c: add x16, x16, #0x460
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// DISASMDSO-NEXT: 10350: br x17
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// DISASMDSO-NEXT: 10354: nop
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// DISASMDSO-NEXT: 10358: nop
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// DISASMDSO-NEXT: 1035c: nop
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// foo@plt 0x30468
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// &.got.plt[foo] = 0x30468
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// DISASMDSO-EMPTY:
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// DISASMDSO-NEXT: <foo@plt>:
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// DISASMDSO-NEXT: 10360: adrp x16, 0x30000
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// DISASMDSO-NEXT: 10364: ldr x17, [x16, #0x468]
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// DISASMDSO-NEXT: 10368: add x16, x16, #0x468
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// DISASMDSO-NEXT: 1036c: br x17
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// bar@plt
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// &.got.plt[foo] = 0x30470
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// DISASMDSO-EMPTY:
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// DISASMDSO-NEXT: <bar@plt>:
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// DISASMDSO-NEXT: 10370: adrp x16, 0x30000
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// DISASMDSO-NEXT: 10374: ldr x17, [x16, #0x470]
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// DISASMDSO-NEXT: 10378: add x16, x16, #0x470
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// DISASMDSO-NEXT: 1037c: br x17
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// weak@plt
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// 0x30468 = 0x10000 + 131072 + 1128
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// DISASMDSO-EMPTY:
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// DISASMDSO-NEXT: <weak@plt>:
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// DISASMDSO-NEXT: 10380: adrp x16, 0x30000
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// DISASMDSO-NEXT: 10384: ldr x17, [x16, #0x478]
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// DISASMDSO-NEXT: 10388: add x16, x16, #0x478
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// DISASMDSO-NEXT: 1038c: br x17
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// CHECKEXE-LABEL: Section Headers:
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/// Name Type Address Off Size ES Flg Lk Inf Al
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// CHECKEXE: .plt PROGBITS 00000000002102e0 0002e0 000040 00 AXy 0 0 16
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// CHECKEXE: .got.plt PROGBITS 00000000002303f0 0003f0 000028 00 WA 0 0 8
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// CHECKEXE-LABEL: Relocation section '.rela.plt' at offset 0x298 contains 2 entries:
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// CHECKEXE-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
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/// &(.got.plt[3]) = 0x2303f0 + 3 * 8 = 0x230408
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// CHECKEXE-NEXT: 0000000000230408 0000000100000402 R_AARCH64_JUMP_SLOT 0000000000000000 bar + 0
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/// &(.got.plt[4]) = 0x2303f0 + 4 * 8 = 0x230410
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// CHECKEXE-NEXT: 0000000000230410 0000000200000402 R_AARCH64_JUMP_SLOT 0000000000000000 weak + 0
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// DUMPEXE: Contents of section .got.plt:
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// .got.plt[0..2] = 0 (reserved)
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// .got.plt[3..4] = .plt = 0x40010
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// DUMPEXE-NEXT: 2303f0 00000000 00000000 00000000 00000000
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// DUMPEXE-NEXT: 230400 00000000 00000000 e0022100 00000000
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// DUMPEXE-NEXT: 230410 e0022100 00000000
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// DISASMEXE: <_start>:
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// DISASMEXE-NEXT: 2102c8: b 0x2102d4 <foo>
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// DISASMEXE-NEXT: 2102cc: b 0x210300 <bar@plt>
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// DISASMEXE-NEXT: 2102d0: b 0x210310 <weak@plt>
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// DISASMEXE: <foo>:
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// DISASMEXE-NEXT: 2102d4: nop
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// DISASMEXE: Disassembly of section .plt:
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// DISASMEXE-EMPTY:
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// DISASMEXE-NEXT: <.plt>:
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// DISASMEXE-NEXT: 2102e0: stp x16, x30, [sp, #-0x10]!
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// &(.got.plt[2]) = 0x2303f0 + 2 * 8 = 0x230400
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// DISASMEXE-NEXT: 2102e4: adrp x16, 0x230000
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// DISASMEXE-NEXT: 2102e8: ldr x17, [x16, #0x400]
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// DISASMEXE-NEXT: 2102ec: add x16, x16, #0x400
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// DISASMEXE-NEXT: 2102f0: br x17
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// DISASMEXE-NEXT: 2102f4: nop
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// DISASMEXE-NEXT: 2102f8: nop
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// DISASMEXE-NEXT: 2102fc: nop
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// bar@plt
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// DISASMEXE-EMPTY:
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// DISASMEXE-NEXT: <bar@plt>:
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// DISASMEXE-NEXT: 210300: adrp x16, 0x230000
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// DISASMEXE-NEXT: 210304: ldr x17, [x16, #0x408]
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// DISASMEXE-NEXT: 210308: add x16, x16, #0x408
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// DISASMEXE-NEXT: 21030c: br x17
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// weak@plt
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// DISASMEXE-EMPTY:
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// DISASMEXE-NEXT: <weak@plt>:
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// DISASMEXE-NEXT: 210310: adrp x16, 0x230000
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// DISASMEXE-NEXT: 210314: ldr x17, [x16, #0x410]
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// DISASMEXE-NEXT: 210318: add x16, x16, #0x410
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// DISASMEXE-NEXT: 21031c: br x17
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.global _start,foo,bar
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.weak weak
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_start:
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b foo
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b bar
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b weak
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.section .text2,"ax",@progbits
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foo:
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nop
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