| // REQUIRES: arm |
| /// Create a secure app and import library using CMSE. |
| /// Create a non-secure app that refers symbols in the import library. |
| |
| // RUN: rm -rf %t && split-file %s %t && cd %t |
| // RUN: llvm-mc -arm-add-build-attributes -filetype=obj --triple=thumbv8m.main cmse-implib.s -o implib.o -I%S/Inputs/ |
| // RUN: llvm-mc -arm-add-build-attributes -filetype=obj --triple=thumbv8m.main cmse-secure-app.s -o secureapp.o |
| // RUN: llvm-mc -arm-add-build-attributes -filetype=obj --triple=thumbv8m.main cmse-non-secure-app.s -o nonsecureapp.o |
| /// Create the secure app and import library. |
| // RUN: ld.lld -e secure_entry --section-start .gnu.sgstubs=0x20000 --cmse-implib implib.o secureapp.o --out-implib=implib.lib -o secureapp |
| /// Link the non-secure app against the import library. |
| // RUN: ld.lld -e nonsecure_entry -Ttext=0x8000 implib.lib nonsecureapp.o -o nonsecureapp |
| // RUN: llvm-readelf -s implib.lib | FileCheck %s |
| // RUN: llvm-objdump -d --no-show-raw-insn secureapp | FileCheck %s --check-prefixes=SECUREDISS |
| // RUN: llvm-objdump -d --no-show-raw-insn nonsecureapp | FileCheck %s --check-prefixes=NONSECUREDISS |
| |
| // SECUREDISS-LABEL: <entry>: |
| // SECUREDISS-NEXT: 20000: sg |
| // SECUREDISS-NEXT: b.w {{.*}} <__acle_se_entry> |
| |
| // SECUREDISS-LABEL: <__acle_se_entry>: |
| // SECUREDISS-NEXT: 20008: nop |
| |
| // SECUREDISS-LABEL: <secure_entry>: |
| // SECUREDISS-NEXT: 2000c: bl {{.*}} <__acle_se_entry> |
| // SECUREDISS-NEXT: bx lr |
| |
| // NONSECUREDISS-LABEL: <nonsecure_entry>: |
| // NONSECUREDISS-NEXT: 8000: push {r0, lr} |
| // NONSECUREDISS-NEXT: bl 0x20000 |
| // NONSECUREDISS-NEXT: pop.w {r0, lr} |
| // NONSECUREDISS-NEXT: bx lr |
| |
| // CHECK: Symbol table '.symtab' contains 2 entries: |
| // CHECK-NEXT: Num: Value Size Type Bind Vis Ndx Name |
| // CHECK-NEXT: 0: 00000000 0 NOTYPE LOCAL DEFAULT UND |
| // CHECK-NEXT: 1: 00020001 8 FUNC GLOBAL DEFAULT ABS entry |
| |
| //--- cmse-implib.s |
| .include "arm-cmse-macros.s" |
| |
| .syntax unified |
| .text |
| |
| cmse_veneer entry, function, global, function, global |
| |
| //--- cmse-secure-app.s |
| .align 2 |
| // Main entry point. |
| .global secure_entry |
| .thumb_func |
| secure_entry: |
| bl entry |
| bx lr |
| .size secure_entry, .-secure_entry |
| |
| //--- cmse-non-secure-app.s |
| .align 2 |
| .global nonsecure_entry |
| .thumb |
| .thumb_func |
| .type nonsecure_entry, %function |
| nonsecure_entry: |
| push {r0,lr} |
| bl entry |
| pop {r0,lr} |
| bx lr |
| .size nonsecure_entry, .-nonsecure_entry |
