forked from OSchip/llvm-project
102 lines
4.0 KiB
ArmAsm
102 lines
4.0 KiB
ArmAsm
// RUN: llvm-mc -filetype=obj -triple=armv7a-linux-gnueabihf %S/Inputs/arm-shared.s -o %t1.o
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// RUN: ld.lld %t1.o --shared -o %t.so
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// RUN: llvm-mc -filetype=obj -triple=armv7a-linux-gnueabihf %s -o %t.o
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// RUN: ld.lld --hash-style=sysv %t.so %t.o -o %tout
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// RUN: llvm-objdump -triple=armv7a-linux-gnueabihf -d %tout | FileCheck %s --check-prefix=DISASM
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// RUN: llvm-objdump -s %tout | FileCheck %s --check-prefix=GOTPLT
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// RUN: llvm-readobj -r -dynamic-table %tout | FileCheck %s
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// REQUIRES: arm
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// Check that the IRELATIVE relocations are last in the .got
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// CHECK: Relocations [
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// CHECK-NEXT: Section (4) .rel.dyn {
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// CHECK-NEXT: 0x13078 R_ARM_GLOB_DAT bar2 0x0
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// CHECK-NEXT: 0x1307C R_ARM_GLOB_DAT zed2 0x0
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// CHECK-NEXT: 0x13080 R_ARM_IRELATIVE - 0x0
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// CHECK-NEXT: 0x13084 R_ARM_IRELATIVE - 0x0
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// CHECK-NEXT: }
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// CHECK-NEXT: Section (5) .rel.plt {
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// CHECK-NEXT: 0x1200C R_ARM_JUMP_SLOT bar2 0x0
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// CHECK-NEXT: 0x12010 R_ARM_JUMP_SLOT zed2 0x0
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// CHECK-NEXT: }
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// CHECK-NEXT: ]
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// Check that the GOT entries refer back to the ifunc resolver
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// GOTPLT: Contents of section .got.plt:
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// GOTPLT-NEXT: 12000 00000000 00000000 00000000 20100100
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// GOTPLT-NEXT: 12010 20100100
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// GOTPLT: Contents of section .got:
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// GOTPLT-NEXT: 13078 00000000 00000000 00100100 04100100
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// DISASM: Disassembly of section .text:
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// DISASM-NEXT: foo:
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// DISASM-NEXT: 11000: 1e ff 2f e1 bx lr
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// DISASM: bar:
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// DISASM-NEXT: 11004: 1e ff 2f e1 bx lr
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// DISASM: _start:
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// DISASM-NEXT: 11008: 14 00 00 eb bl #80
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// DISASM-NEXT: 1100c: 17 00 00 eb bl #92
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// DISASM: $d.1:
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// DISASM-NEXT: 11010: 00 00 00 00 .word 0x00000000
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// DISASM-NEXT: 11014: 04 00 00 00 .word 0x00000004
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// DISASM: 11018: 08 00 00 eb bl #32
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// DISASM-NEXT: 1101c: 0b 00 00 eb bl #44
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// DISASM-NEXT: Disassembly of section .plt:
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// DISASM-NEXT: $a:
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// DISASM-NEXT: 11020: 04 e0 2d e5 str lr, [sp, #-4]!
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// DISASM-NEXT: 11024: 00 e6 8f e2 add lr, pc, #0, #12
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// DISASM-NEXT: 11028: 00 ea 8e e2 add lr, lr, #0, #20
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// DISASM-NEXT: 1102c: dc ff be e5 ldr pc, [lr, #4060]!
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// DISASM: $d:
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// DISASM-NEXT: 11030: d4 d4 d4 d4 .word 0xd4d4d4d4
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// DISASM-NEXT: 11034: d4 d4 d4 d4 .word 0xd4d4d4d4
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// DISASM-NEXT: 11038: d4 d4 d4 d4 .word 0xd4d4d4d4
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// DISASM-NEXT: 1103c: d4 d4 d4 d4 .word 0xd4d4d4d4
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// DISASM: $a:
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// DISASM-NEXT: 11040: 00 c6 8f e2 add r12, pc, #0, #12
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// DISASM-NEXT: 11044: 00 ca 8c e2 add r12, r12, #0, #20
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// DISASM-NEXT: 11048: c4 ff bc e5 ldr pc, [r12, #4036]!
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// DISASM: $d:
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// DISASM-NEXT: 1104c: d4 d4 d4 d4 .word 0xd4d4d4d4
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// DISASM: $a:
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// DISASM-NEXT: 11050: 00 c6 8f e2 add r12, pc, #0, #12
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// DISASM-NEXT: 11054: 00 ca 8c e2 add r12, r12, #0, #20
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// DISASM-NEXT: 11058: b8 ff bc e5 ldr pc, [r12, #4024]!
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// DISASM: $d:
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// DISASM-NEXT: 1105c: d4 d4 d4 d4 .word 0xd4d4d4d4
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// DISASM: $a:
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// DISASM-NEXT: 11060: 00 c6 8f e2 add r12, pc, #0, #12
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// DISASM-NEXT: 11064: 02 ca 8c e2 add r12, r12, #8192
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// DISASM-NEXT: 11068: 18 f0 bc e5 ldr pc, [r12, #24]!
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// DISASM: $d:
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// DISASM-NEXT: 1106c: d4 d4 d4 d4 .word 0xd4d4d4d4
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// DISASM: $a:
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// DISASM-NEXT: 11070: 00 c6 8f e2 add r12, pc, #0, #12
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// DISASM-NEXT: 11074: 02 ca 8c e2 add r12, r12, #8192
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// DISASM-NEXT: 11078: 0c f0 bc e5 ldr pc, [r12, #12]!
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// DISASM: $d:
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// DISASM-NEXT: 1107c: d4 d4 d4 d4 .word 0xd4d4d4d4
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.syntax unified
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.text
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.type foo STT_GNU_IFUNC
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.globl foo
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foo:
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bx lr
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.type bar STT_GNU_IFUNC
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.globl bar
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bar:
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bx lr
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.globl _start
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_start:
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bl foo
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bl bar
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// Create entries in the .got and .rel.dyn so that we don't just have
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// IRELATIVE
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.word bar2(got)
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.word zed2(got)
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bl bar2
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bl zed2
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