// 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 | FileCheck %s /// A symbol assignment defined alias inherits st_type and gets the same treatment. // RUN: llvm-mc --triple=armv7a-linux-gnueabihf -arm-add-build-attributes -filetype=obj --defsym ALIAS=1 -o %t1.o %s // RUN: ld.lld --defsym foo=foo1 %t1.o -o %t1 // RUN: llvm-objdump --triple=armv7a-none-linux-gnueabi -d --no-show-raw-insn %t | FileCheck %s /// 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 .ifdef ALIAS .type foo1 STT_GNU_IFUNC .globl foo1 foo1: .else .type foo STT_GNU_IFUNC .globl foo foo: .endif 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: 00021004 <_start>: // CHECK-NEXT: b #36 <$a> // CHECK-NEXT: bl #32 <$a> // CHECK: 0002100c : // CHECK-NEXT: b.w #8 // CHECK-NEXT: b.w #4 // CHECK-NEXT: blx #24 // CHECK: 00021018 <__Thumbv7ABSLongThunk_foo>: // CHECK-NEXT: movw r12, #4144 // CHECK-NEXT: movt r12, #2 // CHECK-NEXT: bx r12 // CHECK: Disassembly of section .iplt: // CHECK: 00021030 <$a>: // CHECK-NEXT: add r12, pc, #0, #12 // CHECK-NEXT: add r12, r12, #16, #20 // CHECK-NEXT: ldr pc, [r12, #8]!