1// REQUIRES: arm 2// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t 3// RUN: ld.lld --image-base=0x10000000 %t -o %t2 4// RUN: llvm-objdump --no-print-imm-hex --triple=armv7a-none-linux-gnueabi --no-show-raw-insn -d %t2 | FileCheck %s 5 6/// Check that the ARM ABI rules for undefined weak symbols are applied. 7/// Branch instructions are resolved to the next instruction. Undefined 8/// Symbols in relative are resolved to the place so S - P + A = A. 9/// We place the image-base at 0x10000000 to test that a range extensions thunk 10/// is not generated. 11 12 .syntax unified 13 14 .weak target 15 .type target, %function 16 .weak undefweak2 17 .hidden undefweak2 18 .type undefweak2, %function 19 20 .text 21 .global _start 22_start: 23/// R_ARM_JUMP24 24 b target 25/// R_ARM_CALL 26 bl target 27/// R_ARM_CALL with exchange 28 blx target 29/// R_ARM_MOVT_PREL 30 movt r0, :upper16:target - . 31/// R_ARM_MOVW_PREL_NC 32 movw r0, :lower16:target - . 33/// R_ARM_REL32 34 .word target - . 35 36bl_undefweak2: 37 bl undefweak2 38 39// CHECK: Disassembly of section .text: 40// CHECK-EMPTY: 41// CHECK-NEXT: 100100b4 <_start>: 42// CHECK-NEXT: 100100b4: b {{.+}} @ imm = #-4 43// CHECK-NEXT: 100100b8: bl {{.+}} @ imm = #-4 44// CHECK-NEXT: 100100bc: bl {{.+}} @ imm = #-4 45// CHECK-NEXT: 100100c0: movt r0, #0 46// CHECK-NEXT: 100100c4: movw r0, #0 47// CHECK: 100100c8: 00 00 00 00 .word 0x00000000 48// CHECK-LABEL: <bl_undefweak2> 49// CHECK-NEXT: bl {{.*}} <bl_undefweak2+0x4> 50