forked from OSchip/llvm-project
140 lines
4.3 KiB
ArmAsm
140 lines
4.3 KiB
ArmAsm
// REQUIRES: arm
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// RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o
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// RUN: ld.lld -static %t.o -o %tout
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// RUN: llvm-objdump -triple armv7a-none-linux-gnueabi -d %tout | FileCheck %s --check-prefix=DISASM
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// RUN: llvm-readobj -r -symbols -sections %tout | FileCheck %s
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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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movw r0,:lower16:__rel_iplt_start
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movt r0,:upper16:__rel_iplt_start
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movw r0,:lower16:__rel_iplt_end
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movt r0,:upper16:__rel_iplt_end
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// CHECK: Sections [
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// CHECK: Section {
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// CHECK: Section {
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// CHECK: Name: .rel.dyn
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// CHECK-NEXT: Type: SHT_REL
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// CHECK-NEXT: Flags [
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// CHECK-NEXT: SHF_ALLOC
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// CHECK-NEXT: ]
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// CHECK-NEXT: Address: 0x100F4
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// CHECK-NEXT: Offset: 0xF4
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// CHECK-NEXT: Size: 16
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// CHECK: Name: .plt
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// CHECK-NEXT: Type: SHT_PROGBITS
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// CHECK-NEXT: Flags [
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// CHECK-NEXT: SHF_ALLOC
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// CHECK-NEXT: SHF_EXECINSTR
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// CHECK-NEXT: ]
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// CHECK-NEXT: Address: 0x11020
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// CHECK-NEXT: Offset: 0x1020
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// CHECK-NEXT: Size: 32
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// CHECK: Name: .got
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// CHECK-NEXT: Type: SHT_PROGBITS
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// CHECK-NEXT: Flags [
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// CHECK-NEXT: SHF_ALLOC
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// CHECK-NEXT: SHF_WRITE
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// CHECK-NEXT: ]
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// CHECK-NEXT: Address: 0x12000
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// CHECK-NEXT: Offset: 0x2000
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// CHECK-NEXT: Size: 8
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// CHECK: Relocations [
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// CHECK-NEXT: Section (1) .rel.dyn {
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// CHECK-NEXT: 0x12000 R_ARM_IRELATIVE
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// CHECK-NEXT: 0x12004 R_ARM_IRELATIVE
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// CHECK-NEXT: }
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// CHECK-NEXT: ]
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// CHECK: Symbol {
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// CHECK: Name: __rel_iplt_end
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// CHECK-NEXT: Value: 0x10104
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Local
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// CHECK-NEXT: Type: None
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// CHECK-NEXT: Other [
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// CHECK-NEXT: STV_HIDDEN
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// CHECK-NEXT: ]
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// CHECK-NEXT: Section: .rel.dyn
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: __rel_iplt_start
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// CHECK-NEXT: Value: 0x100F4
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Local
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// CHECK-NEXT: Type: None
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// CHECK-NEXT: Other [
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// CHECK-NEXT: STV_HIDDEN
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// CHECK-NEXT: ]
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// CHECK-NEXT: Section: .rel.dyn
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: _start
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// CHECK-NEXT: Value: 0x11008
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global
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// CHECK-NEXT: Type: None
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// CHECK-NEXT: Other:
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// CHECK-NEXT: Section: .text
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: bar
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// CHECK-NEXT: Value: 0x11004
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global
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// CHECK-NEXT: Type: GNU_IFunc
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: foo
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// CHECK-NEXT: Value: 0x11000
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Global
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// CHECK-NEXT: Type: GNU_IFunc
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .text
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// CHECK-NEXT: }
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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: 04 00 00 eb bl #16
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// DISASM-NEXT: 1100c: 07 00 00 eb bl #28
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// 1 * 65536 + 244 = 0x100f4 __rel_iplt_start
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// DISASM-NEXT: 11010: f4 00 00 e3 movw r0, #244
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// DISASM-NEXT: 11014: 01 00 40 e3 movt r0, #1
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// 1 * 65536 + 260 = 0x10104 __rel_iplt_end
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// DISASM-NEXT: 11018: 04 01 00 e3 movw r0, #260
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// DISASM-NEXT: 1101c: 01 00 40 e3 movt r0, #1
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// DISASM-NEXT: Disassembly of section .plt:
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// DISASM-NEXT: $a:
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// DISASM-NEXT: 11020: 00 c6 8f e2 add r12, pc, #0, #12
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// DISASM-NEXT: 11024: 00 ca 8c e2 add r12, r12, #0, #20
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// DISASM-NEXT: 11028: d8 ff bc e5 ldr pc, [r12, #4056]!
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// DISASM: $d:
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// DISASM-NEXT: 1102c: d4 d4 d4 d4 .word 0xd4d4d4d4
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// DISASM: $a:
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// DISASM-NEXT: 11030: 00 c6 8f e2 add r12, pc, #0, #12
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// DISASM-NEXT: 11034: 00 ca 8c e2 add r12, r12, #0, #20
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// DISASM-NEXT: 11038: cc ff bc e5 ldr pc, [r12, #4044]!
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// DISASM: $d:
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// DISASM-NEXT: 1103c: d4 d4 d4 d4 .word 0xd4d4d4d4
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