forked from OSchip/llvm-project
64 lines
1.7 KiB
ArmAsm
64 lines
1.7 KiB
ArmAsm
// 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 0x21030
|
|
// CHECK-NEXT: bl 0x21030
|
|
|
|
// CHECK: 0002100c <thumb_caller>:
|
|
// CHECK-NEXT: b.w 0x21018 <__Thumbv7ABSLongThunk_foo>
|
|
// CHECK-NEXT: b.w 0x21018 <__Thumbv7ABSLongThunk_foo>
|
|
// CHECK-NEXT: blx 0x21030
|
|
|
|
// 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]!
|