llvm/test/MC/ARM/thumb-function-address.s

   1 @ RUN: llvm-mc -filetype=obj -triple=armv7-linux-gnueabi %s -o %t
   2 @ RUN: llvm-readelf -s %t | FileCheck %s
   3
   4 @@ GNU as sets the thumb state according to the thumb state of the label. If a
   5 @@ .type directive is placed after the label, set the symbol's thumb state
   6 @@ according to the thumb state of the .type directive. This matches GNU as in
   7 @@ most cases.
   8
   9 .syntax unified
  10 .text
  11 .thumb
  12 func_label:
  13 .type func_label, %function
  14
  15 .type foo_impl, %function
  16 foo_impl:
  17   bx lr
  18 .type foo_resolver, %function
  19 foo_resolver:
  20   b foo_impl
  21 .type foo, %gnu_indirect_function
  22 .set foo, foo_resolver
  23
  24 @@ Note: GNU as sets the value to 1.
  25 .thumb
  26 label:
  27   bx lr
  28 .arm
  29   bx lr
  30 .type label, %function
  31
  32 @@ Check func_label, foo_impl, foo_resolver, and foo addresses have bit 0 set.
  33 @@ Check label has bit 0 unset.
  34 @ CHECK:      Value Size Type   Bind  Vis     Ndx Name
  35 @ CHECK-NEXT: 00000000 0 NOTYPE LOCAL DEFAULT     UND
  36 @ CHECK-NEXT: 00000001 0 FUNC   LOCAL DEFAULT 2   func_label
  37 @ CHECK-NEXT: 00000001 0 FUNC   LOCAL DEFAULT 2   foo_impl
  38 @ CHECK-NEXT: 00000000 0 NOTYPE LOCAL DEFAULT 2   $t.0
  39 @ CHECK-NEXT: 00000003 0 FUNC   LOCAL DEFAULT 2   foo_resolver
  40 @ CHECK-NEXT: 00000003 0 IFUNC  LOCAL DEFAULT 2   foo
  41 @ CHECK-NEXT: 00000004 0 FUNC   LOCAL DEFAULT 2   label
  42 @ CHECK-NEXT: 00000006 0 NOTYPE LOCAL DEFAULT 2   $a.1