forked from OSchip/llvm-project
40 lines
1.2 KiB
ArmAsm
40 lines
1.2 KiB
ArmAsm
// RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t
|
|
// RUN: ld.lld %t -o %t2 2>&1
|
|
// RUN: llvm-objdump -triple=armv7a-none-linux-gnueabi -d %t2 | FileCheck %s
|
|
// REQUIRES: arm
|
|
|
|
// Check that the ARM ABI rules for undefined weak symbols are applied.
|
|
// Branch instructions are resolved to the next instruction. Undefined
|
|
// Symbols in relative are resolved to the place so S - P + A = A.
|
|
|
|
.syntax unified
|
|
|
|
.weak target
|
|
|
|
.text
|
|
.global _start
|
|
_start:
|
|
// R_ARM_JUMP24
|
|
b target
|
|
// R_ARM_CALL
|
|
bl target
|
|
// R_ARM_CALL with exchange
|
|
blx target
|
|
// R_ARM_MOVT_PREL
|
|
movt r0, :upper16:target - .
|
|
// R_ARM_MOVW_PREL_NC
|
|
movw r0, :lower16:target - .
|
|
// R_ARM_REL32
|
|
.word target - .
|
|
|
|
// CHECK: Disassembly of section .text:
|
|
// 69636 = 0x11004
|
|
// CHECK: 11000: 01 44 00 ea b #69636
|
|
// CHECK-NEXT: 11004: 02 44 00 eb bl #69640
|
|
// blx is transformed into bl so we don't change state
|
|
// CHECK-NEXT: 11008: 03 44 00 eb bl #69644
|
|
// CHECK-NEXT: 1100c: 00 00 40 e3 movt r0, #0
|
|
// CHECK-NEXT: 11010: 00 00 00 e3 movw r0, #0
|
|
// CHECK: 11014: 00 00 00 00 .word 0x00000000
|
|
|