// REQUIRES: arm // RUN: llvm-mc --triple=armv7a-linux-gnueabihf -arm-add-build-attributes -filetype=obj -o %t.o %s // RUN: ld.lld %t.o -o %t // RUN: llvm-objdump -triple armv7a-none-linux-gnueabi -d --no-show-raw-insn %t /// Non-preemptible ifuncs are called via a PLT entry which is always Arm /// state, expect the ARM callers to go direct to the PLT entry, Thumb /// branches are indirected via state change thunks, the bl is changed to blx. .syntax unified .text .balign 0x1000 .type foo STT_GNU_IFUNC .globl foo foo: bx lr .section .text.1, "ax", %progbits .arm .global _start _start: b foo bl foo .section .text.2, "ax", %progbits .thumb .global thumb_caller thumb_caller: b foo b.w foo bl foo // CHECK: 00012004 _start: // CHECK-NEXT: b #36 // CHECK-NEXT: bl #32 // CHECK: 0001200c thumb_caller: // CHECK-NEXT: b.w #8 // CHECK-NEXT: b.w #4 // CHECK-NEXT: blx #24 // CHECK: 00012018 __Thumbv7ABSLongThunk_foo: // CHECK-NEXT: movw r12, #8240 // CHECK-NEXT: movt r12, #1 // CHECK-NEXT: bx r12 // CHECK: Disassembly of section .iplt: // CHECK: 00012030 $a: // CHECK-NEXT: add r12, pc, #0, #12 // CHECK-NEXT: add r12, r12, #4096 // CHECK-NEXT: ldr pc, [r12, #8]!