lld/test/ELF/arm-cmse-keep-sections.s

   1 // REQUIRES: arm
   2 /// Create a secure app and import library using CMSE.
   3 /// Create a non-secure app that refers symbols in the import library.
   4
   5 // RUN: rm -rf %t && split-file %s %t && cd %t
   6 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj --triple=thumbv8m.main cmse-implib.s -o implib.o -I%S/Inputs/
   7 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj --triple=thumbv8m.main cmse-secure-app.s -o secureapp.o
   8 /// Create the secure app and import library.
   9 // RUN: ld.lld -e secure_entry --section-start .gnu.sgstubs=0x1000000 --section-start SECURE1=0x10 --section-start SECURE2=0x2000000 --cmse-implib implib.o secureapp.o --out-implib=implib.lib -o secureapp --gc-sections
  10 // RUN: llvm-readelf -s implib.lib | FileCheck %s
  11 // RUN: llvm-objdump -d --no-show-raw-insn secureapp | FileCheck %s --check-prefix=DISS
  12
  13
  14 // DISS-LABEL: <__acle_se_entry1>:
  15 // DISS-NEXT:  10: nop
  16
  17 // DISS-LABEL: <entry1>:
  18 // DISS-NEXT: 1000000: sg
  19 // DISS-LABEL:         b.w {{.*}} <__acle_se_entry1>
  20
  21 // DISS-LABEL: <entry2>:
  22 // DISS-NEXT: 1000008: sg
  23 // DISS-LABEL:         b.w {{.*}} <__acle_se_entry2>
  24
  25 // DISS-LABEL: <__acle_se_entry2>:
  26 // DISS-NEXT:  2000000: nop
  27
  28 // CHECK:    Symbol table '.symtab' contains {{.*}} entries:
  29 // CHECK-NEXT:  Num:  Value  Size Type  Bind   Vis     Ndx Name
  30 // CHECK-NEXT:    0: 00000000   0 NOTYPE  LOCAL  DEFAULT   UND
  31 // CHECK-NEXT:    1: 01000001   8 FUNC  GLOBAL DEFAULT   ABS entry1
  32 // CHECK-NEXT:    2: 01000009   8 FUNC  GLOBAL DEFAULT   ABS entry2
  33
  34 //--- cmse-implib.s
  35   .include "arm-cmse-macros.s"
  36
  37   .syntax unified
  38   .section SECURE1, "ax"
  39
  40   cmse_veneer entry1, function, global, function, global
  41
  42   .syntax unified
  43   .section SECURE2, "ax"
  44
  45   cmse_veneer entry2, function, global, function, global
  46
  47 //--- cmse-secure-app.s
  48   .text
  49   .align  2
  50   // Main entry point.
  51   .global secure_entry
  52   .thumb_func
  53 secure_entry:
  54   bx lr
  55   .size  secure_entry, .-secure_entry