forked from OSchip/llvm-project
82 lines
2.5 KiB
ArmAsm
82 lines
2.5 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: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %p/Inputs/relocation-copy-arm.s -o %t2.o
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// RUN: ld.lld -shared %t2.o -o %t2.so
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// RUN: ld.lld --hash-style=sysv %t.o %t2.so -o %t3
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// RUN: llvm-readobj -s -r --expand-relocs -symbols %t3 | FileCheck %s
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// RUN: llvm-objdump -d -triple=armv7a-none-linux-gnueabi %t3 | FileCheck -check-prefix=CODE %s
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// RUN: llvm-objdump -s -triple=armv7a-none-linux-gnueabi -section=.rodata %t3 | FileCheck -check-prefix=RODATA %s
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// Copy relocations R_ARM_COPY are required for y and z
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.syntax unified
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.text
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.globl _start
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_start:
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movw r2,:lower16: y
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movt r2,:upper16: y
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ldr r3,[pc,#4]
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ldr r3,[r3,#0]
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.rodata
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.word z
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// CHECK: Name: .bss
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// CHECK-NEXT: Type: SHT_NOBITS
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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: 0x13000
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// CHECK-NEXT: Offset:
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// CHECK-NEXT: Size: 8
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// CHECK-NEXT: Link:
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// CHECK-NEXT: Info:
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// CHECK-NEXT: AddressAlignment: 16
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// CHECK: Relocations [
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// CHECK-NEXT: Section (5) .rel.dyn {
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// CHECK-NEXT: Relocation {
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// CHECK-NEXT: Offset: 0x13000
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// CHECK-NEXT: Type: R_ARM_COPY
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// CHECK-NEXT: Symbol: y
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// CHECK-NEXT: Addend: 0x0
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// CHECK-NEXT: }
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// CHECK-NEXT: Relocation {
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// CHECK-NEXT: Offset: 0x13004
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// CHECK-NEXT: Type: R_ARM_COPY
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// CHECK-NEXT: Symbol: z
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// CHECK-NEXT: Addend: 0x0
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK: Symbols [
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// CHECK: Name: y
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// CHECK-NEXT: Value: 0x13000
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// CHECK-NEXT: Size: 4
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// CHECK-NEXT: Binding: Global
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// CHECK-NEXT: Type: Object
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// CHECK-NEXT: Other:
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// CHECK-NEXT: Section: .bss
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// CHECK: Name: z
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// CHECK-NEXT: Value: 0x13004
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// CHECK-NEXT: Size: 4
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// CHECK-NEXT: Binding: Global
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// CHECK-NEXT: Type: Object
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .bss
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// CODE: Disassembly of section .text:
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// CODE-NEXT: _start:
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// S(y) = 0x13000, A = 0
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// (S + A) & 0x0000ffff = 0x3000 = #12288
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// CODE-NEXT: 11000: 00 20 03 e3 movw r2, #12288
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// S(y) = 0x13000, A = 0
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// ((S + A) & 0xffff0000) >> 16 = 0x1
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// CODE-NEXT: 11004: 01 20 40 e3 movt r2, #1
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// CODE-NEXT: 11008: 04 30 9f e5 ldr r3, [pc, #4]
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// CODE-NEXT: 1100c: 00 30 93 e5 ldr r3, [r3]
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// RODATA: Contents of section .rodata:
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// S(z) = 0x13004
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// RODATA-NEXT: 10114 04300100
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