clang/test/Driver/arm-security-options.c

   1 // Check the -mbranch-protection=option
   2
   3 // RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -c %s -### -mbranch-protection=pac-ret 2>&1 | \
   4 // RUN: FileCheck %s --check-prefix=RA-NON-LEAF --check-prefix=KEY-A --check-prefix=BTE-OFF
   5
   6 // RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -c %s -### -mbranch-protection=pac-ret+leaf 2>&1 | \
   7 // RUN: FileCheck %s --check-prefix=RA-ALL --check-prefix=KEY-A --check-prefix=BTE-OFF
   8
   9 // RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -c %s -### -mbranch-protection=pac-ret+leaf+b-key 2>&1 | \
  10 // RUN: FileCheck %s --check-prefix=RA-ALL --check-prefix=KEY-B --check-prefix=BTE-OFF
  11
  12 // RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -c %s -### -mbranch-protection=pac-ret+b-key 2>&1 | \
  13 // RUN: FileCheck %s --check-prefix=RA-NON-LEAF --check-prefix=KEY-B --check-prefix=BTE-OFF
  14
  15 // RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -c %s -### -mbranch-protection=bti 2>&1 | \
  16 // RUN: FileCheck %s --check-prefix=RA-OFF --check-prefix=BTE-ON
  17
  18 // RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -c %s -### -mbranch-protection=bti+pac-ret 2>&1 | \
  19 // RUN: FileCheck %s --check-prefix=RA-NON-LEAF --check-prefix=KEY-A --check-prefix=BTE-ON
  20
  21 // RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -c %s -### -mbranch-protection=bti+pac-ret+leaf 2>&1 | \
  22 // RUN: FileCheck %s --check-prefix=RA-ALL --check-prefix=KEY-A --check-prefix=BTE-ON
  23
  24 // RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -c %s -### -mbranch-protection=bti 2>&1 | \
  25 // RUN: FileCheck %s --check-prefix=RA-OFF --check-prefix=BTE-ON
  26
  27 // RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -c %s -### -mbranch-protection=bti+pac-ret+b-key 2>&1 | \
  28 // RUN: FileCheck %s --check-prefix=RA-NON-LEAF --check-prefix=KEY-B --check-prefix=BTE-ON
  29
  30 // RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -c %s -### -mbranch-protection=bti+pac-ret+leaf+b-key 2>&1 | \
  31 // RUN: FileCheck %s --check-prefix=RA-ALL --check-prefix=KEY-B --check-prefix=BTE-ON
  32
  33 // -mbranch-protection with standard
  34 // RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -c %s -### -mbranch-protection=standard 2>&1 | \
  35 // RUN: FileCheck %s --check-prefix=RA-NON-LEAF --check-prefix=KEY-A --check-prefix=BTE-ON
  36
  37 // RUN: not %clang --target=arm-arm-none-eabi -march=armv8.1-m.main -c %s -### -mbranch-protection=bar 2>&1 | \
  38 // RUN: FileCheck %s --check-prefix=BAD-BP-PROTECTION
  39
  40 // RUN: not %clang --target=arm-arm-none-eabi -march=armv8.1-m.main -c %s -### -mbranch-protection=pac-ret+bti+b-key 2>&1 | \
  41 // RUN: FileCheck %s --check-prefix=BAD-B-KEY-COMBINATION
  42
  43 // RUN: not %clang --target=arm-arm-none-eabi -march=armv8.1-m.main -c %s -### -mbranch-protection=pac-ret+bti+leaf 2>&1 | \
  44 // RUN: FileCheck %s --check-prefix=BAD-LEAF-COMBINATION
  45
  46 // -mbranch-protection with supported architectures other than v8.1-m.main
  47 // RUN: %clang -target arm-arm-none-eabi -march=armv8-m.main -c %s -### -mbranch-protection=pac-ret 2>&1 | \
  48 // RUN: FileCheck %s --check-prefix=RA-NON-LEAF --check-prefix=KEY-A --check-prefix=BTE-OFF
  49
  50 // RUN: %clang -target arm-arm-none-eabi -march=armv7-m -c %s -### -mbranch-protection=pac-ret 2>&1 | \
  51 // RUN: FileCheck %s --check-prefix=RA-NON-LEAF --check-prefix=KEY-A --check-prefix=BTE-OFF
  52
  53 // RUN: %clang -target arm-arm-none-eabi -march=armv7e-m -c %s -### -mbranch-protection=pac-ret 2>&1 | \
  54 // RUN: FileCheck %s --check-prefix=RA-NON-LEAF --check-prefix=KEY-A --check-prefix=BTE-OFF
  55
  56 // -mbranch-protection with unsupported architectures
  57 // RUN: %clang -target arm-arm-none-eabi -march=armv6-m -c %s -### -mbranch-protection=bti 2>&1 | \
  58 // RUN: FileCheck %s --check-prefix=INCOMPATIBLE-ARCH
  59
  60 // RUN: %clang -target arm-arm-none-eabi -march=armv8-m.base -c %s -### -mbranch-protection=bti 2>&1 | \
  61 // RUN: FileCheck %s --check-prefix=INCOMPATIBLE-ARCH
  62
  63 // RUN: %clang -target arm-arm-none-eabi -march=armv8-a -c %s -### -mbranch-protection=bti 2>&1 | \
  64 // RUN: FileCheck %s --check-prefix=INCOMPATIBLE-ARCH
  65
  66 // RUN: %clang -target arm-arm-none-eabi -march=armv8-r -c %s -### -mbranch-protection=bti 2>&1 | \
  67 // RUN: FileCheck %s --check-prefix=INCOMPATIBLE-ARCH
  68
  69 // RUN: %clang -target arm-arm-none-eabi -march=armv7-a -c %s -### -mbranch-protection=bti 2>&1 | \
  70 // RUN: FileCheck %s --check-prefix=INCOMPATIBLE-ARCH
  71
  72 /// RUN: %clang -target arm-arm-none-eabi -march=armv7-a -mthumb -c %s -### -mbranch-protection=bti 2>&1 | \
  73 /// RUN: FileCheck %s --check-prefix=INCOMPATIBLE-ARCH
  74
  75 // RUN: %clang -target arm-arm-none-eabi -march=armv7-r -c %s -### -mbranch-protection=bti 2>&1 | \
  76 // RUN: FileCheck %s --check-prefix=INCOMPATIBLE-ARCH
  77
  78 // RA-OFF: "-msign-return-address=none"
  79 // RA-NON-LEAF: "-msign-return-address=non-leaf"
  80 // RA-ALL: "-msign-return-address=all"
  81
  82 // KEY-A: "-msign-return-address-key=a_key"
  83 // KEY-B: "-msign-return-address-key=b_key"
  84
  85 // BTE-OFF-NOT: "-mbranch-target-enforce"
  86 // BTE-ON: "-mbranch-target-enforce"
  87
  88 // BAD-BP-PROTECTION: unsupported argument 'bar' to option '-mbranch-protection='
  89
  90 // BAD-B-KEY-COMBINATION: unsupported argument 'b-key' to option '-mbranch-protection='
  91 // BAD-LEAF-COMBINATION: unsupported argument 'leaf' to option '-mbranch-protection='
  92
  93 // INCOMPATIBLE-ARCH: '-mbranch-protection=' option is incompatible with the '{{.*}}' architecture