llvm/test/tools/llvm-readobj/ELF/note-gnu-property.s

   1 // REQUIRES: x86-registered-target
   2 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o %t
   3 // RUN: llvm-readelf --notes %t | FileCheck %s --check-prefix=GNU
   4 // RUN: llvm-readobj --elf-output-style LLVM --notes %t | FileCheck %s --check-prefix=LLVM
   5
   6 // GNU:      Displaying notes found in: .note.gnu.property
   7 // GNU-NEXT:   Owner                 Data size       Description
   8 // GNU-NEXT:   GNU                   0x000000e8      NT_GNU_PROPERTY_TYPE_0 (property note)
   9 // GNU-NEXT:     Properties:  stack size: 0x100
  10 // GNU-NEXT:     stack size: 0x100
  11 // GNU-NEXT:     no copy on protected
  12 // GNU-NEXT:     x86 feature: SHSTK
  13 // GNU-NEXT:     x86 feature: IBT, SHSTK
  14 // GNU-NEXT:     x86 feature: <None>
  15 // GNU-NEXT:     x86 feature needed: x86, x87, MMX, XMM, YMM
  16 // GNU-NEXT:     x86 feature used: ZMM, FXSR, XSAVE, XSAVEOPT, XSAVEC
  17 // GNU-NEXT:     x86 ISA needed: x86-64-baseline, x86-64-v2, x86-64-v3, x86-64-v4
  18 // GNU-NEXT:     x86 ISA used: x86-64-baseline, x86-64-v2, x86-64-v3, x86-64-v4
  19 // GNU-NEXT:     <application-specific type 0xfefefefe>
  20 // GNU-NEXT:     stack size: <corrupt length: 0x0>
  21 // GNU-NEXT:     stack size: <corrupt length: 0x4>
  22 // GNU-NEXT:     no copy on protected <corrupt length: 0x1>
  23 // GNU-NEXT:     x86 feature: <corrupt length: 0x0>
  24 // GNU-NEXT:     x86 feature: IBT, <unknown flags: 0xf000f000>
  25 // GNU-NEXT:     <corrupt type (0x2) datasz: 0x1>
  26
  27 // LLVM:      NoteSections [
  28 // LLVM-NEXT:   NoteSection {
  29 // LLVM-NEXT:     Name: .note.gnu.property
  30 // LLVM-NEXT:     Offset: 0x40
  31 // LLVM-NEXT:     Size: 0xF8
  32 // LLVM-NEXT:     Notes [
  33 // LLVM-NEXT:           {
  34 // LLVM-NEXT:                   Owner: GNU
  35 // LLVM-NEXT:                   Data size: 0xE8
  36 // LLVM-NEXT:                   Type: NT_GNU_PROPERTY_TYPE_0 (property note)
  37 // LLVM-NEXT:                   Property [
  38 // LLVM-NEXT:                           stack size: 0x100
  39 // LLVM-NEXT:                           stack size: 0x100
  40 // LLVM-NEXT:                           no copy on protected
  41 // LLVM-NEXT:                           x86 feature: SHSTK
  42 // LLVM-NEXT:                           x86 feature: IBT, SHSTK
  43 // LLVM-NEXT:                           x86 feature: <None>
  44 // LLVM-NEXT:                           x86 feature needed: x86, x87, MMX, XMM, YMM
  45 // LLVM-NEXT:                           x86 feature used: ZMM, FXSR, XSAVE, XSAVEOPT, XSAVEC
  46 // LLVM-NEXT:                           x86 ISA needed: x86-64-baseline, x86-64-v2, x86-64-v3, x86-64-v4
  47 // LLVM-NEXT:                           x86 ISA used: x86-64-baseline, x86-64-v2, x86-64-v3, x86-64-v4
  48 // LLVM-NEXT:                           <application-specific type 0xfefefefe>
  49 // LLVM-NEXT:                           stack size: <corrupt length: 0x0>
  50 // LLVM-NEXT:                           stack size: <corrupt length: 0x4>
  51 // LLVM-NEXT:                           no copy on protected <corrupt length: 0x1>
  52 // LLVM-NEXT:                           x86 feature: <corrupt length: 0x0>
  53 // LLVM-NEXT:                           x86 feature: IBT, <unknown flags: 0xf000f000>
  54 // LLVM-NEXT:                           <corrupt type (0x2) datasz: 0x1>
  55 // LLVM-NEXT:                   ]
  56 // LLVM-NEXT:           }
  57 // LLVM-NEXT:     ]
  58 // LLVM-NEXT:   }
  59 // LLVM-NEXT: ]
  60
  61 .section ".note.gnu.property", "a"
  62 .align 4
  63   .long 4           /* Name length is always 4 ("GNU") */
  64   .long end - begin /* Data length */
  65   .long 5           /* Type: NT_GNU_PROPERTY_TYPE_0 */
  66   .asciz "GNU"      /* Name */
  67   .p2align 3
  68 begin:
  69   .long 1           /* Type: GNU_PROPERTY_STACK_SIZE */
  70   .long 8           /* Data size */
  71   .quad 0x100       /* Data (stack size) */
  72   .p2align 3        /* Align to 8 byte for 64 bit */
  73
  74   /* Test we handle alignment properly */
  75   .long 1           /* Type: GNU_PROPERTY_STACK_SIZE */
  76   .long 8           /* Data size */
  77   .long 0x100       /* Data (stack size) */
  78   .p2align 3        /* Align to 8 byte for 64 bit */
  79
  80   .long 2           /* Type: GNU_PROPERTY_NO_COPY_ON_PROTECTED */
  81   .long 0           /* Data size */
  82   .p2align 3        /* Align to 8 byte for 64 bit */
  83
  84   /* CET property note */
  85   .long 0xc0000002  /* Type: GNU_PROPERTY_X86_FEATURE_1_AND */
  86   .long 4           /* Data size */
  87   .long 2           /* GNU_PROPERTY_X86_FEATURE_1_SHSTK */
  88   .p2align 3        /* Align to 8 byte for 64 bit */
  89
  90   /* CET property note with padding */
  91   .long 0xc0000002  /* Type: GNU_PROPERTY_X86_FEATURE_1_AND */
  92   .long 4           /* Data size */
  93   .long 3           /* Full CET support */
  94   .p2align 3        /* Align to 8 byte for 64 bit */
  95
  96   .long 0xc0000002  /* Type: GNU_PROPERTY_X86_FEATURE_1_AND */
  97   .long 4           /* Data size */
  98   .long 0           /* Empty flags, not an error */
  99   .p2align 3        /* Align to 8 byte for 64 bit */
 100
 101   .long 0xc0008001         /* Type: GNU_PROPERTY_X86_FEATURE_2_NEEDED */
 102   .long 4                  /* Data size */
 103   .long 0x0000001f         /* X86, ... */
 104   .p2align 3               /* Align to 8 byte for 64 bit */
 105
 106   .long 0xc0010001         /* Type: GNU_PROPERTY_X86_FEATURE_2_USED */
 107   .long 4                  /* Data size */
 108   .long 0x000003e0         /* ZMM, ... */
 109   .p2align 3               /* Align to 8 byte for 64 bit */
 110
 111   .long 0xc0008002         /* Type: GNU_PROPERTY_X86_ISA_1_NEEDED */
 112   .long 4                  /* Data size */
 113   .long 0x0000000f         /* x86-64-baseline, ... */
 114   .p2align 3               /* Align to 8 byte for 64 bit */
 115
 116   .long 0xc0010002         /* Type: GNU_PROPERTY_X86_ISA_1_USED */
 117   .long 4                  /* Data size */
 118   .long 0x0000000f         /* x86-64-baseline, ... */
 119   .p2align 3               /* Align to 8 byte for 64 bit */
 120
 121   /* All notes below are broken. Test we are able to report them. */
 122
 123   /* Broken note type */
 124   .long 0xfefefefe  /* Invalid type for testing */
 125   .long 0           /* Data size */
 126   .p2align 3        /* Align to 8 byte for 64 bit */
 127
 128   /* GNU_PROPERTY_STACK_SIZE with zero stack size */
 129   .long 1           /* Type: GNU_PROPERTY_STACK_SIZE */
 130   .long 0           /* Data size */
 131   .p2align 3        /* Align to 8 byte for 64 bit */
 132
 133   /* GNU_PROPERTY_STACK_SIZE with data size 4 (should be 8) */
 134   .long 1           /* Type: GNU_PROPERTY_STACK_SIZE */
 135   .long 4           /* Data size */
 136   .long 0x100       /* Data (stack size) */
 137   .p2align 3        /* Align to 8 byte for 64 bit */
 138
 139   /* GNU_PROPERTY_NO_COPY_ON_PROTECTED with pr_datasz and some data */
 140   .long 2           /* Type: GNU_PROPERTY_NO_COPY_ON_PROTECTED */
 141   .long 1           /* Data size (corrupted) */
 142   .byte 1           /* Data */
 143   .p2align 3        /* Align to 8 byte for 64 bit */
 144
 145   /* CET note with size zero */
 146   .long 0xc0000002  /* Type: GNU_PROPERTY_X86_FEATURE_1_AND */
 147   .long 0           /* Data size */
 148   .p2align 3        /* Align to 8 byte for 64 bit */
 149
 150   /* CET note with bad flags */
 151   .long 0xc0000002         /* Type: GNU_PROPERTY_X86_FEATURE_1_AND */
 152   .long 4                  /* Data size */
 153   .long 0xf000f001         /* GNU_PROPERTY_X86_FEATURE_1_IBT and bad bits */
 154   .p2align 3               /* Align to 8 byte for 64 bit */
 155
 156   /* GNU_PROPERTY_NO_COPY_ON_PROTECTED with pr_datasz and without data */
 157   .long 2           /* Type: GNU_PROPERTY_NO_COPY_ON_PROTECTED */
 158   .long 1           /* Data size (corrupted) */
 159   .p2align 3        /* Align to 8 byte for 64 bit */
 160 end: