[llvm] r333578 - Reverted r333424 as it broke multiple build bots and left unfixed for a long time

Galina Kistanova via llvm-commits llvm-commits at lists.llvm.org
Wed May 30 11:51:08 PDT 2018


Author: gkistanova
Date: Wed May 30 11:51:08 2018
New Revision: 333578

URL: http://llvm.org/viewvc/llvm-project?rev=333578&view=rev
Log:
Reverted r333424 as it broke multiple build bots and left unfixed for a long time

Modified:
    llvm/trunk/include/llvm/BinaryFormat/ELF.h
    llvm/trunk/test/tools/llvm-readobj/note-gnu-property.s
    llvm/trunk/tools/llvm-readobj/ELFDumper.cpp

Modified: llvm/trunk/include/llvm/BinaryFormat/ELF.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/BinaryFormat/ELF.h?rev=333578&r1=333577&r2=333578&view=diff
==============================================================================
--- llvm/trunk/include/llvm/BinaryFormat/ELF.h (original)
+++ llvm/trunk/include/llvm/BinaryFormat/ELF.h Wed May 30 11:51:08 2018
@@ -1308,13 +1308,6 @@ enum {
 enum : unsigned {
   GNU_PROPERTY_STACK_SIZE = 1,
   GNU_PROPERTY_NO_COPY_ON_PROTECTED = 2,
-  GNU_PROPERTY_X86_FEATURE_1_AND = 0xc0000002
-};
-
-// CET properties
-enum {
-  GNU_PROPERTY_X86_FEATURE_1_IBT = 1 << 0,
-  GNU_PROPERTY_X86_FEATURE_1_SHSTK = 1 << 1
 };
 
 // AMDGPU specific notes.

Modified: llvm/trunk/test/tools/llvm-readobj/note-gnu-property.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/note-gnu-property.s?rev=333578&r1=333577&r2=333578&view=diff
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/note-gnu-property.s (original)
+++ llvm/trunk/test/tools/llvm-readobj/note-gnu-property.s Wed May 30 11:51:08 2018
@@ -2,21 +2,16 @@
 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o %t
 // RUN: llvm-readobj -elf-output-style GNU --notes %t | FileCheck %s
 
-// CHECK:      Displaying notes found at file offset 0x00000040 with length 0x000000b8:
+// CHECK:      Displaying notes found at file offset 0x00000040 with length 0x00000070:
 // CHECK-NEXT:   Owner                 Data size       Description
-// CHECK-NEXT:   GNU                   0x000000a8      NT_GNU_PROPERTY_TYPE_0 (property note)
+// CHECK-NEXT:   GNU                   0x00000060      NT_GNU_PROPERTY_TYPE_0 (property note)
 // CHECK-NEXT:     Properties:  stack size: 0x100
 // CHECK-NEXT:     stack size: 0x100
 // CHECK-NEXT:     no copy on protected
-// CHECK-NEXT:     X86 features: SHSTK
-// CHECK-NEXT:     X86 features: IBT, SHSTK
-// CHECK-NEXT:     X86 features: none
 // CHECK-NEXT:     <application-specific type 0xfefefefe>
 // CHECK-NEXT:     stack size: <corrupt length: 0x0>
 // CHECK-NEXT:     stack size: <corrupt length: 0x4> 
 // CHECK-NEXT:     no copy on protected <corrupt length: 0x1>
-// CHECK-NEXT:     X86 features: <corrupt length: 0x0>
-// CHECK-NEXT:     X86 features: IBT, <unknown flags: 0xf000f000f000f000>
 // CHECK-NEXT:     <corrupt type (0x2) datasz: 0x1>
 
 .section ".note.gnu.property", "a"
@@ -31,7 +26,7 @@ begin:
   .long 8           /* Data size */
   .quad 0x100       /* Data (stack size) */
   .p2align 3        /* Align to 8 byte for 64 bit */
-
+  
   /* Test we handle alignment properly */
   .long 1           /* Type: GNU_PROPERTY_STACK_SIZE */
   .long 8           /* Data size */
@@ -41,23 +36,6 @@ begin:
   .long 2           /* Type: GNU_PROPERTY_NO_COPY_ON_PROTECTED */
   .long 0           /* Data size */
   .p2align 3        /* Align to 8 byte for 64 bit */
-
-  /* CET property note */
-  .long 0xc0000002  /* Type: GNU_PROPERTY_X86_FEATURE_1_AND */
-  .long 8           /* Data size */
-  .quad 2           /* GNU_PROPERTY_X86_FEATURE_1_SHSTK */
-  .p2align 3        /* Align to 8 byte for 64 bit */
-
-  /* CET property note with padding */
-  .long 0xc0000002  /* Type: GNU_PROPERTY_X86_FEATURE_1_AND */
-  .long 4           /* Data size */
-  .long 3           /* Full CET support */
-  .p2align 3        /* Align to 8 byte for 64 bit */
-
-  .long 0xc0000002  /* Type: GNU_PROPERTY_X86_FEATURE_1_AND */
-  .long 8           /* Data size */
-  .quad 0           /* Empty flags, not an error */
-  .p2align 3        /* Align to 8 byte for 64 bit */
   
   /* All notes below are broken. Test we are able to report them. */
   
@@ -82,17 +60,6 @@ begin:
   .long 1           /* Data size (corrupted) */
   .byte 1           /* Data */
   .p2align 3        /* Align to 8 byte for 64 bit */
-
-  /* CET note with size zero */
-  .long 0xc0000002  /* Type: GNU_PROPERTY_X86_FEATURE_1_AND */
-  .long 0           /* Data size */
-  .p2align 3        /* Align to 8 byte for 64 bit */
-
-  /* CET note with bad flags */
-  .long 0xc0000002         /* Type: GNU_PROPERTY_X86_FEATURE_1_AND */
-  .long 8                  /* Data size */
-  .quad 0xf000f000f000f001 /* GNU_PROPERTY_X86_FEATURE_1_IBT and bad bits */
-  .p2align 3               /* Align to 8 byte for 64 bit */
   
   /* GNU_PROPERTY_NO_COPY_ON_PROTECTED with pr_datasz and without data */
   .long 2           /* Type: GNU_PROPERTY_NO_COPY_ON_PROTECTED */

Modified: llvm/trunk/tools/llvm-readobj/ELFDumper.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-readobj/ELFDumper.cpp?rev=333578&r1=333577&r2=333578&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-readobj/ELFDumper.cpp (original)
+++ llvm/trunk/tools/llvm-readobj/ELFDumper.cpp Wed May 30 11:51:08 2018
@@ -3457,7 +3457,7 @@ static void printGNUProperty(raw_ostream
   case GNU_PROPERTY_STACK_SIZE: {
     OS << "    stack size: ";
     if (DataSize == sizeof(typename ELFT::uint))
-      OS << format("0x%lx\n",
+      OS << format("0x%x\n",
                    (uint64_t)(*(const typename ELFT::Addr *)Data.data()));
     else
       OS << format("<corrupt length: 0x%x>\n", DataSize);
@@ -3469,36 +3469,6 @@ static void printGNUProperty(raw_ostream
       OS << format(" <corrupt length: 0x%x>", DataSize);
     OS << "\n";
     break;
-  case GNU_PROPERTY_X86_FEATURE_1_AND:
-    OS << "    X86 features: ";
-    if (DataSize != 4 && DataSize != 8) {
-      OS << format("<corrupt length: 0x%x>\n", DataSize);
-      break;
-    }
-    uint64_t CFProtection =
-        (DataSize == 4)
-            ? support::endian::read32<ELFT::TargetEndianness>(Data.data())
-            : support::endian::read64<ELFT::TargetEndianness>(Data.data());
-    if (CFProtection == 0) {
-      OS << "none\n";
-      break;
-    }
-    if (CFProtection & GNU_PROPERTY_X86_FEATURE_1_IBT) {
-      OS << "IBT";
-      CFProtection &= ~GNU_PROPERTY_X86_FEATURE_1_IBT;
-      if (CFProtection)
-        OS << ", ";
-    }
-    if (CFProtection & GNU_PROPERTY_X86_FEATURE_1_SHSTK) {
-      OS << "SHSTK";
-      CFProtection &= ~GNU_PROPERTY_X86_FEATURE_1_SHSTK;
-      if (CFProtection)
-        OS << ", ";
-    }
-    if (CFProtection)
-      OS << format("<unknown flags: 0x%lx>", CFProtection);
-    OS << "\n";
-    break;
   }
 }
 




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