forked from OSchip/llvm-project
55 lines
1.6 KiB
ArmAsm
55 lines
1.6 KiB
ArmAsm
// REQUIRES: arm
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// RUN: llvm-mc -position-independent -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o
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// RUN: ld.lld %t.o -shared -o %t
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// RUN: llvm-readobj -S --symbols --dyn-relocations %t | FileCheck %s
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// RUN: llvm-objdump -d --triple=armv7a-none-linux-gnueabi %t | FileCheck --check-prefix=CODE %s
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.syntax unified
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.text
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.globl _start
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.align 2
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_start:
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.type _start, %function
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ldr r3, .LGOT
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ldr r2, .LGOT+4
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.LPIC:
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add r0, pc, r3
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bx lr
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.align 2
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.LGOT:
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// gas implicitly uses (R_ARM_BASE_PREL) for _GLOBAL_OFFSET_TABLE_ in PIC
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// llvm-mc generates R_ARM_REL32, this will need updating when MC changes
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.word _GLOBAL_OFFSET_TABLE_ - (.LPIC+8)
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.word function(GOT)
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.globl function
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.align 2
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function:
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.type function, %function
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bx lr
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// CHECK: Dynamic Relocations {
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// CHECK-NEXT: 0x2020C R_ARM_GLOB_DAT function
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// CHECK: Name: _GLOBAL_OFFSET_TABLE_
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// CHECK-NEXT: Value: 0x2020C
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// CHECK-NEXT: Size:
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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: .got
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// CODE: Disassembly of section .text:
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// CODE-EMPTY:
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// CODE-NEXT: <_start>:
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// CODE-NEXT: 101a0: 08 30 9f e5 ldr r3, [pc, #8]
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// CODE-NEXT: 101a4: 08 20 9f e5 ldr r2, [pc, #8]
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// CODE-NEXT: 101a8: 03 00 8f e0 add r0, pc, r3
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// CODE-NEXT: 101ac: 1e ff 2f e1 bx lr
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// CODE: <$d.1>:
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// (_GLOBAL_OFFSET_TABLE_ = 0x220c) - (0x11a8 + 8) = 0x105c
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// CODE-NEXT: 101b0: 5c 00 01 00
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// (Got(function) - GotBase = 0x0
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// CODE-NEXT: 101b4: 00 00 00 00
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