[llvm] r363539 - [llvm-objdump] Use %08 instead of %016 to print leading addresses for 32-bit binaries

Fangrui Song via llvm-commits llvm-commits at lists.llvm.org
Mon Jun 17 02:59:55 PDT 2019


Author: maskray
Date: Mon Jun 17 02:59:55 2019
New Revision: 363539

URL: http://llvm.org/viewvc/llvm-project?rev=363539&view=rev
Log:
[llvm-objdump] Use %08 instead of %016 to print leading addresses for 32-bit binaries

Reviewed By: grimar

Differential Revision: https://reviews.llvm.org/D63398

Modified:
    llvm/trunk/test/MC/COFF/cv-loc-unreachable-2.s
    llvm/trunk/test/MC/COFF/cv-loc-unreachable.s
    llvm/trunk/test/tools/llvm-objdump/PowerPC/branch-offset.s
    llvm/trunk/test/tools/llvm-objdump/X86/print-symbol-addr.s
    llvm/trunk/tools/llvm-objdump/llvm-objdump.cpp

Modified: llvm/trunk/test/MC/COFF/cv-loc-unreachable-2.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/COFF/cv-loc-unreachable-2.s?rev=363539&r1=363538&r2=363539&view=diff
==============================================================================
--- llvm/trunk/test/MC/COFF/cv-loc-unreachable-2.s (original)
+++ llvm/trunk/test/MC/COFF/cv-loc-unreachable-2.s Mon Jun 17 02:59:55 2019
@@ -6,7 +6,7 @@
 # section afterwards. We had negative label difference assertions when .cv_loc
 # bound tightly to the next instruction.
 
-# ASM:      0000000000000000 _callit:
+# ASM:      00000000 _callit:
 #   begin inline {
 # ASM-NEXT:        0: e8 00 00 00 00                calll   0 <_callit+0x5>
 # ASM-NEXT:        5: 85 c0                         testl   %eax, %eax

Modified: llvm/trunk/test/MC/COFF/cv-loc-unreachable.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/COFF/cv-loc-unreachable.s?rev=363539&r1=363538&r2=363539&view=diff
==============================================================================
--- llvm/trunk/test/MC/COFF/cv-loc-unreachable.s (original)
+++ llvm/trunk/test/MC/COFF/cv-loc-unreachable.s Mon Jun 17 02:59:55 2019
@@ -17,7 +17,7 @@
 # }
 
 
-# ASM:      0000000000000000 _callit:
+# ASM:      00000000 _callit:
 #   begin inline {
 # ASM-NEXT:        0: e8 00 00 00 00                calll   0 <_callit+0x5>
 # ASM-NEXT:        5: 85 c0                         testl   %eax, %eax

Modified: llvm/trunk/test/tools/llvm-objdump/PowerPC/branch-offset.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-objdump/PowerPC/branch-offset.s?rev=363539&r1=363538&r2=363539&view=diff
==============================================================================
--- llvm/trunk/test/tools/llvm-objdump/PowerPC/branch-offset.s (original)
+++ llvm/trunk/test/tools/llvm-objdump/PowerPC/branch-offset.s Mon Jun 17 02:59:55 2019
@@ -7,10 +7,10 @@
 # RUN: llvm-mc -triple=powerpc-unknown-linux -filetype=obj %s -o %t.o
 # RUN: llvm-objdump -d %t.o | FileCheck %s
 
-# CHECK: 0000000000000000 callee_back:
+# CHECK: {{0*}}00000000 callee_back:
 # CHECK: 18: {{.*}} bl .-24
 # CHECK: 20: {{.*}} bl .+16
-# CHECK: 0000000000000030 callee_forward:
+# CHECK: {{0*}}00000030 callee_forward:
 
         .text
         .global caller

Modified: llvm/trunk/test/tools/llvm-objdump/X86/print-symbol-addr.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-objdump/X86/print-symbol-addr.s?rev=363539&r1=363538&r2=363539&view=diff
==============================================================================
--- llvm/trunk/test/tools/llvm-objdump/X86/print-symbol-addr.s (original)
+++ llvm/trunk/test/tools/llvm-objdump/X86/print-symbol-addr.s Mon Jun 17 02:59:55 2019
@@ -1,20 +1,25 @@
-// RUN: llvm-mc %s -filetype=obj -triple=x86_64-pc-linux -o %t.o
+# RUN: llvm-mc %s -filetype=obj -triple=i386 -o %t.32.o
+# RUN: llvm-mc %s -filetype=obj -triple=x86_64 -o %t.64.o
 
-// Check we print the address of `foo` and `bar`.
-// RUN: llvm-objdump -d %t.o | FileCheck %s
-// CHECK:      0000000000000000 foo:
-// CHECK-NEXT:   0: {{.*}}  nop
-// CHECK-NEXT:   1: {{.*}}  nop
-// CHECK:      0000000000000002 bar:
-// CHECK-NEXT:   2: {{.*}}  nop
+## Check we print the address of `foo` and `bar`.
+# RUN: llvm-objdump -d %t.32.o | FileCheck --check-prefixes=ADDR32,ADDR %s
+# RUN: llvm-objdump -d %t.64.o | FileCheck --check-prefixes=ADDR64,ADDR %s
+# ADDR32:    00000000 foo:
+# ADDR64:    0000000000000000 foo:
+# ADDR-NEXT:   0: {{.*}}  nop
+# ADDR-NEXT:   1: {{.*}}  nop
+# ADDR32:    00000002 bar:
+# ADDR64:    0000000000000002 bar:
+# ADDR-NEXT:   2: {{.*}}  nop
 
-// Check we do not print the addresses with -no-leading-addr.
-// RUN: llvm-objdump -d --no-leading-addr %t.o | FileCheck %s --check-prefix=NOADDR
-// NOADDR:      {{^}}foo:
-// NOADDR-NEXT:   {{.*}} nop
-// NOADDR-NEXT:   {{.*}} nop
-// NOADDR:      {{^}}bar:
-// NOADDR-NEXT:   {{.*}} nop
+## Check we do not print the addresses with --no-leading-addr.
+# RUN: llvm-objdump -d --no-leading-addr %t.32.o | FileCheck %s --check-prefix=NOADDR
+# RUN: llvm-objdump -d --no-leading-addr %t.64.o | FileCheck %s --check-prefix=NOADDR
+# NOADDR:      {{^}}foo:
+# NOADDR-NEXT:   {{.*}} nop
+# NOADDR-NEXT:   {{.*}} nop
+# NOADDR:      {{^}}bar:
+# NOADDR-NEXT:   {{.*}} nop
 
 .text
 .globl  foo

Modified: llvm/trunk/tools/llvm-objdump/llvm-objdump.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-objdump/llvm-objdump.cpp?rev=363539&r1=363538&r2=363539&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-objdump/llvm-objdump.cpp (original)
+++ llvm/trunk/tools/llvm-objdump/llvm-objdump.cpp Mon Jun 17 02:59:55 2019
@@ -612,9 +612,8 @@ static bool isArmElf(const ObjectFile *O
 }
 
 static void printRelocation(const RelocationRef &Rel, uint64_t Address,
-                            uint8_t AddrSize) {
-  StringRef Fmt =
-      AddrSize > 4 ? "\t\t%016" PRIx64 ":  " : "\t\t\t%08" PRIx64 ":  ";
+                            bool Is64Bits) {
+  StringRef Fmt = Is64Bits ? "\t\t%016" PRIx64 ":  " : "\t\t\t%08" PRIx64 ":  ";
   SmallString<16> Name;
   SmallString<32> Val;
   Rel.getTypeName(Name);
@@ -704,7 +703,7 @@ public:
     auto PrintReloc = [&]() -> void {
       while ((RelCur != RelEnd) && (RelCur->getOffset() <= Address.Address)) {
         if (RelCur->getOffset() == Address.Address) {
-          printRelocation(*RelCur, Address.Address, 4);
+          printRelocation(*RelCur, Address.Address, false);
           return;
         }
         ++RelCur;
@@ -1032,6 +1031,7 @@ static void disassembleObject(const Targ
   std::map<SectionRef, std::vector<RelocationRef>> RelocMap;
   if (InlineRelocs)
     RelocMap = getRelocsMap(*Obj);
+  bool Is64Bits = Obj->getBytesInAddress() > 4;
 
   // Create a mapping from virtual address to symbol name.  This is used to
   // pretty print the symbols while disassembling.
@@ -1229,7 +1229,7 @@ static void disassembleObject(const Targ
 
       outs() << '\n';
       if (!NoLeadingAddr)
-        outs() << format("%016" PRIx64 " ",
+        outs() << format(Is64Bits ? "%016" PRIx64 " " : "%08" PRIx64 " ",
                          SectionAddr + Start + VMAAdjustment);
 
       StringRef SymbolName = std::get<1>(Symbols[SI]);
@@ -1401,8 +1401,7 @@ static void disassembleObject(const Targ
                 Offset += AdjustVMA;
             }
 
-            printRelocation(*RelCur, SectionAddr + Offset,
-                            Obj->getBytesInAddress());
+            printRelocation(*RelCur, SectionAddr + Offset, Is64Bits);
             ++RelCur;
           }
         }




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