[lld] r320416 - [ELF] When a relocation is out of range print the value and the range

Alexander Richardson via llvm-commits llvm-commits at lists.llvm.org
Mon Dec 11 13:58:12 PST 2017


Thank you very much for fixing this. Seems like I must have clicked
duplicate line by mistake just before committing.

Regards,
Alex

On 11 December 2017 at 21:26, Hans Wennborg <hans at chromium.org> wrote:
> One of the tests failed, e.g.:
> http://lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-scei-ps4-ubuntu-fast/builds/22052/steps/test/logs/stdio
>
> I've attempted to fix in r320423. Please check that I got it right.
>
> On Mon, Dec 11, 2017 at 12:47 PM, Alexander Richardson via llvm-commits
> <llvm-commits at lists.llvm.org> wrote:
>>
>> Author: arichardson
>> Date: Mon Dec 11 12:47:21 2017
>> New Revision: 320416
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=320416&view=rev
>> Log:
>> [ELF] When a relocation is out of range print the value and the range
>>
>> Reviewers: ruiu, grimar
>>
>> Reviewed By: ruiu
>>
>> Subscribers: emaste, nemanjai, javed.absar, kbarton, llvm-commits
>>
>> Differential Revision: https://reviews.llvm.org/D40962
>>
>> Modified:
>>     lld/trunk/ELF/Target.h
>>     lld/trunk/test/ELF/aarch64-abs16.s
>>     lld/trunk/test/ELF/aarch64-abs32.s
>>     lld/trunk/test/ELF/aarch64-ldprel-lo19-invalid.s
>>     lld/trunk/test/ELF/aarch64-prel16.s
>>     lld/trunk/test/ELF/aarch64-prel32.s
>>     lld/trunk/test/ELF/i386-reloc-16.s
>>     lld/trunk/test/ELF/i386-reloc-8.s
>>     lld/trunk/test/ELF/i386-reloc-range.s
>>     lld/trunk/test/ELF/linkerscript/eh-frame-reloc-out-of-range.s
>>     lld/trunk/test/ELF/mips-out-of-bounds-call16-reloc.s
>>     lld/trunk/test/ELF/ppc64-addr16-error.s
>>     lld/trunk/test/ELF/x86-64-reloc-16.s
>>     lld/trunk/test/ELF/x86-64-reloc-8.s
>>     lld/trunk/test/ELF/x86-64-reloc-error.s
>>     lld/trunk/test/ELF/x86-64-reloc-range.s
>>
>> Modified: lld/trunk/ELF/Target.h
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/Target.h?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/ELF/Target.h (original)
>> +++ lld/trunk/ELF/Target.h Mon Dec 11 12:47:21 2017
>> @@ -144,25 +144,32 @@ TargetInfo *getTarget();
>>
>>  template <class ELFT> bool isMipsPIC(const Defined *Sym);
>>
>> +static inline void reportRangeError(uint8_t *Loc, RelType Type, const
>> Twine &V,
>> +                                    int64_t Min, uint64_t Max) {
>> +  error(getErrorLocation(Loc) + "relocation " + lld::toString(Type) +
>> +        " out of range: " + V + " is not in [" + Twine(Min) + ", " +
>> +        Twine(Max) + "]");
>> +}
>> +
>>  template <unsigned N>
>>  static void checkInt(uint8_t *Loc, int64_t V, RelType Type) {
>>    if (!llvm::isInt<N>(V))
>> -    error(getErrorLocation(Loc) + "relocation " + lld::toString(Type) +
>> -          " out of range");
>> +    reportRangeError(Loc, Type, Twine(V), llvm::minIntN(N),
>> llvm::maxIntN(N));
>>  }
>>
>>  template <unsigned N>
>>  static void checkUInt(uint8_t *Loc, uint64_t V, RelType Type) {
>>    if (!llvm::isUInt<N>(V))
>> -    error(getErrorLocation(Loc) + "relocation " + lld::toString(Type) +
>> -          " out of range");
>> +    reportRangeError(Loc, Type, Twine(V), 0, llvm::maxUIntN(N));
>>  }
>>
>>  template <unsigned N>
>>  static void checkIntUInt(uint8_t *Loc, uint64_t V, RelType Type) {
>>    if (!llvm::isInt<N>(V) && !llvm::isUInt<N>(V))
>> -    error(getErrorLocation(Loc) + "relocation " + lld::toString(Type) +
>> -          " out of range");
>> +    // For the error message we should cast V to a signed integer so that
>> error
>> +    // messages show a small negative value rather than an extremely
>> large one
>> +    reportRangeError(Loc, Type, Twine((int64_t)V), llvm::minIntN(N),
>> +                     llvm::maxUIntN(N));
>>  }
>>
>>  template <unsigned N>
>>
>> Modified: lld/trunk/test/ELF/aarch64-abs16.s
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/aarch64-abs16.s?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/test/ELF/aarch64-abs16.s (original)
>> +++ lld/trunk/test/ELF/aarch64-abs16.s Mon Dec 11 12:47:21 2017
>> @@ -24,4 +24,4 @@ _start:
>>  //   | FileCheck %s --check-prefix=OVERFLOW
>>  // RUN: not ld.lld %t.o %t257.o -o %t2
>>  //   | FileCheck %s --check-prefix=OVERFLOW
>> -// OVERFLOW: Relocation R_AARCH64_ABS16 out of range
>> +// OVERFLOW: Relocation R_AARCH64_ABS16 out of range: 65536 is not in
>> [-32768, 65535]
>>
>> Modified: lld/trunk/test/ELF/aarch64-abs32.s
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/aarch64-abs32.s?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/test/ELF/aarch64-abs32.s (original)
>> +++ lld/trunk/test/ELF/aarch64-abs32.s Mon Dec 11 12:47:21 2017
>> @@ -24,4 +24,4 @@ _start:
>>  //   | FileCheck %s --check-prefix=OVERFLOW
>>  // RUN: not ld.lld %t.o %t257.o -o %t2
>>  //   | FileCheck %s --check-prefix=OVERFLOW
>> -// OVERFLOW: Relocation R_AARCH64_ABS32 out of range
>> +// OVERFLOW: Relocation R_AARCH64_ABS32 out of range: 4294967296 is not
>> in [-2147483648, 4294967295]
>>
>> Modified: lld/trunk/test/ELF/aarch64-ldprel-lo19-invalid.s
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/aarch64-ldprel-lo19-invalid.s?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/test/ELF/aarch64-ldprel-lo19-invalid.s (original)
>> +++ lld/trunk/test/ELF/aarch64-ldprel-lo19-invalid.s Mon Dec 11 12:47:21
>> 2017
>> @@ -3,7 +3,7 @@
>>  # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-none %s -o %t.o
>>  # RUN: not ld.lld -shared %t.o -o %t 2>&1 | FileCheck %s
>>
>> -# CHECK: relocation R_AARCH64_LD_PREL_LO19 out of range
>> +# CHECK: relocation R_AARCH64_LD_PREL_LO19 out of range: 2065536 is not
>> in [-1048576, 1048575]
>>
>>    ldr x8, patatino
>>    .data
>>
>> Modified: lld/trunk/test/ELF/aarch64-prel16.s
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/aarch64-prel16.s?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/test/ELF/aarch64-prel16.s (original)
>> +++ lld/trunk/test/ELF/aarch64-prel16.s Mon Dec 11 12:47:21 2017
>> @@ -28,4 +28,4 @@ _start:
>>  //   | FileCheck %s --check-prefix=OVERFLOW
>>  // RUN: not ld.lld %t.o %t257.o -o %t2
>>  //   | FileCheck %s --check-prefix=OVERFLOW
>> -// OVERFLOW: Relocation R_AARCH64_PREL16 out of range
>> +// OVERFLOW: Relocation R_AARCH64_PREL16 out of range: -94209 is not in
>> [-32768, 65535]
>>
>> Modified: lld/trunk/test/ELF/aarch64-prel32.s
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/aarch64-prel32.s?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/test/ELF/aarch64-prel32.s (original)
>> +++ lld/trunk/test/ELF/aarch64-prel32.s Mon Dec 11 12:47:21 2017
>> @@ -28,4 +28,4 @@ _start:
>>  //   | FileCheck %s --check-prefix=OVERFLOW
>>  // RUN: not ld.lld %t.o %t257.o -o %t2
>>  //   | FileCheck %s --check-prefix=OVERFLOW
>> -// OVERFLOW: Relocation R_AARCH64_PREL32 out of range
>> +// OVERFLOW: Relocation R_AARCH64_PREL32 out of range:
>> 18446744071562006527 is not in [-2147483648, 4294967295]
>>
>> Modified: lld/trunk/test/ELF/i386-reloc-16.s
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/i386-reloc-16.s?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/test/ELF/i386-reloc-16.s (original)
>> +++ lld/trunk/test/ELF/i386-reloc-16.s Mon Dec 11 12:47:21 2017
>> @@ -9,6 +9,6 @@
>>  // CHECK-NEXT:   200000 42
>>
>>  // RUN: not ld.lld -shared %t %t2 -o %t4 2>&1 | FileCheck
>> --check-prefix=ERROR %s
>> -// ERROR: relocation R_386_16 out of range
>> +// ERROR: relocation R_386_16 out of range: 65536 is not in [0, 65535]
>>
>>  .short foo
>>
>> Modified: lld/trunk/test/ELF/i386-reloc-8.s
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/i386-reloc-8.s?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/test/ELF/i386-reloc-8.s (original)
>> +++ lld/trunk/test/ELF/i386-reloc-8.s Mon Dec 11 12:47:21 2017
>> @@ -9,6 +9,6 @@
>>  // CHECK-NEXT:   200000 42
>>
>>  // RUN: not ld.lld -shared %t %t2 -o %t4 2>&1 | FileCheck
>> --check-prefix=ERROR %s
>> -// ERROR: relocation R_386_8 out of range
>> +// ERROR: relocation R_386_8 out of range: 256 is not in [0, 255]
>>
>>  .byte foo
>>
>> Modified: lld/trunk/test/ELF/i386-reloc-range.s
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/i386-reloc-range.s?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/test/ELF/i386-reloc-range.s (original)
>> +++ lld/trunk/test/ELF/i386-reloc-range.s Mon Dec 11 12:47:21 2017
>> @@ -16,7 +16,7 @@
>>
>>  // RUN: not ld.lld -Ttext 0x200 %t.o %t2.o -o %t2 2>&1 | FileCheck
>> --check-prefix=ERR %s
>>
>> -// ERR: {{.*}}:(.text+0x1): relocation R_386_PC16 out of range
>> +// ERR: {{.*}}:(.text+0x1): relocation R_386_PC16 out of range: 65536 is
>> not in [-65536, 65535]
>>
>>          .global _start
>>  _start:
>>
>> Modified: lld/trunk/test/ELF/linkerscript/eh-frame-reloc-out-of-range.s
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/linkerscript/eh-frame-reloc-out-of-range.s?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/test/ELF/linkerscript/eh-frame-reloc-out-of-range.s
>> (original)
>> +++ lld/trunk/test/ELF/linkerscript/eh-frame-reloc-out-of-range.s Mon Dec
>> 11 12:47:21 2017
>> @@ -12,7 +12,7 @@
>>  # RUN:       }" > %t.script
>>  # RUN: not ld.lld %t.o -T %t.script -o %t 2>&1 | FileCheck %s
>>
>> -# CHECK: error: {{.*}}:(.eh_frame+0x20): relocation R_X86_64_PC32 out of
>> range
>> +# CHECK: error: {{.*}}:(.eh_frame+0x20): relocation R_X86_64_PC32 out of
>> range: 64424443872 is not in [-2147483648, 2147483647]
>>
>>         .text
>>    .globl _start
>>
>> Modified: lld/trunk/test/ELF/mips-out-of-bounds-call16-reloc.s
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/mips-out-of-bounds-call16-reloc.s?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/test/ELF/mips-out-of-bounds-call16-reloc.s (original)
>> +++ lld/trunk/test/ELF/mips-out-of-bounds-call16-reloc.s Mon Dec 11
>> 12:47:21 2017
>> @@ -4,7 +4,7 @@
>>  # RUN: llvm-mc -filetype=obj -triple=mips64-unknown-linux %s -o %t1.o
>>  # RUN: not ld.lld %t1.o -o %t.exe 2>&1 | FileCheck %s
>>
>> -# CHECK: relocation R_MIPS_CALL16 out of range
>> +# CHECK: relocation R_MIPS_CALL16 out of range: 32768 is not in [-32768,
>> 32767]
>>
>>  .macro generate_values
>>    .irp i, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
>>
>> Modified: lld/trunk/test/ELF/ppc64-addr16-error.s
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/ppc64-addr16-error.s?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/test/ELF/ppc64-addr16-error.s (original)
>> +++ lld/trunk/test/ELF/ppc64-addr16-error.s Mon Dec 11 12:47:21 2017
>> @@ -5,4 +5,4 @@
>>
>>  .short sym+65539
>>
>> -// CHECK: relocation R_PPC64_ADDR16 out of range
>> +// CHECK: relocation R_PPC64_ADDR16 out of range: 65539 is not in
>> [-32768, 32767]
>>
>> Modified: lld/trunk/test/ELF/x86-64-reloc-16.s
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/x86-64-reloc-16.s?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/test/ELF/x86-64-reloc-16.s (original)
>> +++ lld/trunk/test/ELF/x86-64-reloc-16.s Mon Dec 11 12:47:21 2017
>> @@ -9,6 +9,6 @@
>>  // CHECK-NEXT:   200000 42
>>
>>  // RUN: not ld.lld -shared %t %t2 -o %t4 2>&1 | FileCheck
>> --check-prefix=ERROR %s
>> -// ERROR: relocation R_X86_64_16 out of range
>> +// ERROR: relocation R_X86_64_16 out of range: 65536 is not in [0, 65535]
>>
>>  .short foo
>>
>> Modified: lld/trunk/test/ELF/x86-64-reloc-8.s
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/x86-64-reloc-8.s?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/test/ELF/x86-64-reloc-8.s (original)
>> +++ lld/trunk/test/ELF/x86-64-reloc-8.s Mon Dec 11 12:47:21 2017
>> @@ -9,6 +9,7 @@
>>  // CHECK-NEXT:   200000 42
>>
>>  // RUN: not ld.lld -shared %t %t2 -o %t4 2>&1 | FileCheck
>> --check-prefix=ERROR %s
>> -// ERROR: relocation R_X86_64_8 out of range
>> +// ERROR: relocation R_X86_64_8 out of range: 256 is not in [0, 255]
>> +// ERROR: relocation R_X86_64_8 out of range: 256 is not in [0, 255]
>>
>>  .byte foo
>>
>> Modified: lld/trunk/test/ELF/x86-64-reloc-error.s
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/x86-64-reloc-error.s?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/test/ELF/x86-64-reloc-error.s (original)
>> +++ lld/trunk/test/ELF/x86-64-reloc-error.s Mon Dec 11 12:47:21 2017
>> @@ -6,5 +6,5 @@
>>    movl $big, %edx
>>    movq $foo - 0x1000000000000, %rdx
>>
>> -# CHECK: {{.*}}:(.text+0x1): relocation R_X86_64_32 out of range
>> -# CHECK: {{.*}}:(.text+0x8): relocation R_X86_64_32S out of range
>> +# CHECK: {{.*}}:(.text+0x1): relocation R_X86_64_32 out of range:
>> 68719476736 is not in [0, 4294967295]
>> +# CHECK: {{.*}}:(.text+0x8): relocation R_X86_64_32S out of range:
>> -281474976710656 is not in [-2147483648, 2147483647]
>>
>> Modified: lld/trunk/test/ELF/x86-64-reloc-range.s
>> URL:
>> http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/x86-64-reloc-range.s?rev=320416&r1=320415&r2=320416&view=diff
>>
>> ==============================================================================
>> --- lld/trunk/test/ELF/x86-64-reloc-range.s (original)
>> +++ lld/trunk/test/ELF/x86-64-reloc-range.s Mon Dec 11 12:47:21 2017
>> @@ -1,7 +1,7 @@
>>  // RUN: llvm-mc %s -o %t.o -triple x86_64-pc-linux -filetype=obj
>>  // RUN: not ld.lld %t.o -o %t.so -shared 2>&1 | FileCheck %s
>>
>> -// CHECK: {{.*}}:(.text+0x3): relocation R_X86_64_PC32 out of range
>> +// CHECK: {{.*}}:(.text+0x3): relocation R_X86_64_PC32 out of range:
>> 2147483648 is not in [-2147483648, 2147483647]
>>  // CHECK-NOT: relocation
>>
>>          lea     foo(%rip), %rax
>>
>>
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