// REQUIRES: arm // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv7a-none-linux-gnueabi %S/Inputs/arm-shared.s -o %t1.o // RUN: ld.lld %t1.o --shared -soname=t1.so -o %t1.so // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o // RUN: ld.lld %t.o %t1.so -o %t // RUN: llvm-objdump -d --triple=armv7a-none-linux-gnueabi --start-address=0x201e4 --stop-address=0x20204 %t | FileCheck %s /// When we are dynamic linking, undefined weak references have a PLT entry so /// we must create a thunk for the branch to the PLT entry. .text .globl bar2 .weak undefined_weak_we_expect_a_plt_entry_for _start: .globl _start .type _start, %function b undefined_weak_we_expect_a_plt_entry_for bl bar2 /// Create 32 Mb gap between the call to the weak reference and the PLT so that /// the b and bl need a range-extension thunk. .section .text.1, "ax", %progbits .space 32 * 1024 * 1024 // CHECK: Disassembly of section .text: // CHECK-EMPTY: // CHECK-NEXT: <_start>: // CHECK-NEXT: 201e4: 00 00 00 ea b #0 <__ARMv7ABSLongThunk_undefined_weak_we_expect_a_plt_entry_for> // CHECK-NEXT: 201e8: 02 00 00 eb bl #8 <__ARMv7ABSLongThunk_bar2> // CHECK: <__ARMv7ABSLongThunk_undefined_weak_we_expect_a_plt_entry_for>: // CHECK-NEXT: 201ec: 30 c2 00 e3 movw r12, #560 // CHECK-NEXT: 201f0: 02 c2 40 e3 movt r12, #514 // CHECK-NEXT: 201f4: 1c ff 2f e1 bx r12 // CHECK: <__ARMv7ABSLongThunk_bar2>: // CHECK-NEXT: 201f8: 40 c2 00 e3 movw r12, #576 // CHECK-NEXT: 201fc: 02 c2 40 e3 movt r12, #514 // CHECK-NEXT: 20200: 1c ff 2f e1 bx r12