test/tools/llvm-readobj/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 at file offset 0x00000040 with length 0x000000f8:
   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 ISA needed: CMOV, SSE, SSE2, SSE3, SSSE3, SSE4_1, SSE4_2, AVX, AVX2, FMA, AVX512F, AVX512CD
  16 // GNU-NEXT:     x86 ISA used: AVX512ER, AVX512PF, AVX512VL, AVX512DQ, AVX512BW, AVX512_4FMAPS, AVX512_4VNNIW, AVX512_BITALG, AVX512_IFMA, AVX512_VBMI, AVX512_VBMI2, AVX512_VNNI
  17 // GNU-NEXT:     x86 feature needed: x86, x87, MMX, XMM, YMM
  18 // GNU-NEXT:     x86 feature used: ZMM, FXSR, XSAVE, XSAVEOPT, XSAVEC
  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:      Notes [
  28 // LLVM-NEXT:   NoteSection {
  29 // LLVM-NEXT:     Offset: 0x40
  30 // LLVM-NEXT:     Size: 0xF8
  31 // LLVM-NEXT:     Note {
  32 // LLVM-NEXT:       Owner: GNU
  33 // LLVM-NEXT:       Data size: 0xE8
  34 // LLVM-NEXT:       Type: NT_GNU_PROPERTY_TYPE_0 (property note)
  35 // LLVM-NEXT:       Property [
  36 // LLVM-NEXT:         stack size: 0x100
  37 // LLVM-NEXT:         stack size: 0x100
  38 // LLVM-NEXT:         no copy on protected
  39 // LLVM-NEXT:         x86 feature: SHSTK
  40 // LLVM-NEXT:         x86 feature: IBT, SHSTK
  41 // LLVM-NEXT:         x86 feature: <None>
  42 // LLVM-NEXT:         x86 ISA needed: CMOV, SSE, SSE2, SSE3, SSSE3, SSE4_1, SSE4_2, AVX, AVX2, FMA, AVX512F, AVX512CD
  43 // LLVM-NEXT:         x86 ISA used: AVX512ER, AVX512PF, AVX512VL, AVX512DQ, AVX512BW, AVX512_4FMAPS, AVX512_4VNNIW, AVX512_BITALG, AVX512_IFMA, AVX512_VBMI, AVX512_VBMI2, AVX512_VNNI
  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:         <application-specific type 0xfefefefe>
  47 // LLVM-NEXT:         stack size: <corrupt length: 0x0>
  48 // LLVM-NEXT:         stack size: <corrupt length: 0x4>
  49 // LLVM-NEXT:         no copy on protected <corrupt length: 0x1>
  50 // LLVM-NEXT:         x86 feature: <corrupt length: 0x0>
  51 // LLVM-NEXT:         x86 feature: IBT, <unknown flags: 0xf000f000>
  52 // LLVM-NEXT:         <corrupt type (0x2) datasz: 0x1>
  53 // LLVM-NEXT:       ]
  54 // LLVM-NEXT:     }
  55 // LLVM-NEXT:   }
  56 // LLVM-NEXT: ]
  57
  58 .section ".note.gnu.property", "a"
  59 .align 4
  60   .long 4           /* Name length is always 4 ("GNU") */
  61   .long end - begin /* Data length */
  62   .long 5           /* Type: NT_GNU_PROPERTY_TYPE_0 */
  63   .asciz "GNU"      /* Name */
  64   .p2align 3
  65 begin:
  66   .long 1           /* Type: GNU_PROPERTY_STACK_SIZE */
  67   .long 8           /* Data size */
  68   .quad 0x100       /* Data (stack size) */
  69   .p2align 3        /* Align to 8 byte for 64 bit */
  70
  71   /* Test we handle alignment properly */
  72   .long 1           /* Type: GNU_PROPERTY_STACK_SIZE */
  73   .long 8           /* Data size */
  74   .long 0x100       /* Data (stack size) */
  75   .p2align 3        /* Align to 8 byte for 64 bit */
  76
  77   .long 2           /* Type: GNU_PROPERTY_NO_COPY_ON_PROTECTED */
  78   .long 0           /* Data size */
  79   .p2align 3        /* Align to 8 byte for 64 bit */
  80
  81   /* CET property note */
  82   .long 0xc0000002  /* Type: GNU_PROPERTY_X86_FEATURE_1_AND */
  83   .long 4           /* Data size */
  84   .long 2           /* GNU_PROPERTY_X86_FEATURE_1_SHSTK */
  85   .p2align 3        /* Align to 8 byte for 64 bit */
  86
  87   /* CET property note with padding */
  88   .long 0xc0000002  /* Type: GNU_PROPERTY_X86_FEATURE_1_AND */
  89   .long 4           /* Data size */
  90   .long 3           /* Full CET support */
  91   .p2align 3        /* Align to 8 byte for 64 bit */
  92
  93   .long 0xc0000002  /* Type: GNU_PROPERTY_X86_FEATURE_1_AND */
  94   .long 4           /* Data size */
  95   .long 0           /* Empty flags, not an error */
  96   .p2align 3        /* Align to 8 byte for 64 bit */
  97
  98   .long 0xc0008000         /* Type: GNU_PROPERTY_X86_ISA_1_NEEDED */
  99   .long 4                  /* Data size */
 100   .long 0x00000fff         /* CMOV, ... */
 101   .p2align 3               /* Align to 8 byte for 64 bit */
 102
 103   .long 0xc0010000         /* Type: GNU_PROPERTY_X86_ISA_1_USED */
 104   .long 4                  /* Data size */
 105   .long 0x00fff000         /* AVX512_ER, ... */
 106   .p2align 3               /* Align to 8 byte for 64 bit */
 107
 108   .long 0xc0008001         /* Type: GNU_PROPERTY_X86_FEATURE_2_NEEDED */
 109   .long 4                  /* Data size */
 110   .long 0x0000001f         /* X86, ... */
 111   .p2align 3               /* Align to 8 byte for 64 bit */
 112
 113   .long 0xc0010001         /* Type: GNU_PROPERTY_X86_FEATURE_2_USED */
 114   .long 4                  /* Data size */
 115   .long 0x000003e0         /* ZMM, ... */
 116   .p2align 3               /* Align to 8 byte for 64 bit */
 117
 118   /* All notes below are broken. Test we are able to report them. */
 119
 120   /* Broken note type */
 121   .long 0xfefefefe  /* Invalid type for testing */
 122   .long 0           /* Data size */
 123   .p2align 3        /* Align to 8 byte for 64 bit */
 124
 125   /* GNU_PROPERTY_STACK_SIZE with zero stack size */
 126   .long 1           /* Type: GNU_PROPERTY_STACK_SIZE */
 127   .long 0           /* Data size */
 128   .p2align 3        /* Align to 8 byte for 64 bit */
 129
 130   /* GNU_PROPERTY_STACK_SIZE with data size 4 (should be 8) */
 131   .long 1           /* Type: GNU_PROPERTY_STACK_SIZE */
 132   .long 4           /* Data size */
 133   .long 0x100       /* Data (stack size) */
 134   .p2align 3        /* Align to 8 byte for 64 bit */
 135
 136   /* GNU_PROPERTY_NO_COPY_ON_PROTECTED with pr_datasz and some data */
 137   .long 2           /* Type: GNU_PROPERTY_NO_COPY_ON_PROTECTED */
 138   .long 1           /* Data size (corrupted) */
 139   .byte 1           /* Data */
 140   .p2align 3        /* Align to 8 byte for 64 bit */
 141
 142   /* CET note with size zero */
 143   .long 0xc0000002  /* Type: GNU_PROPERTY_X86_FEATURE_1_AND */
 144   .long 0           /* Data size */
 145   .p2align 3        /* Align to 8 byte for 64 bit */
 146
 147   /* CET note with bad flags */
 148   .long 0xc0000002         /* Type: GNU_PROPERTY_X86_FEATURE_1_AND */
 149   .long 4                  /* Data size */
 150   .long 0xf000f001         /* GNU_PROPERTY_X86_FEATURE_1_IBT and bad bits */
 151   .p2align 3               /* Align to 8 byte for 64 bit */
 152
 153   /* GNU_PROPERTY_NO_COPY_ON_PROTECTED with pr_datasz and without data */
 154   .long 2           /* Type: GNU_PROPERTY_NO_COPY_ON_PROTECTED */
 155   .long 1           /* Data size (corrupted) */
 156   .p2align 3        /* Align to 8 byte for 64 bit */
 157 end: