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[llvm-objdump] Add column headers for relocation printing

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This allows us better readability and compatibility with what GNU
objdump prints.

Fixes https://bugs.llvm.org/show_bug.cgi?id=43941

Reviewed by: jhenderson, MaskRay

Differential Revision: https://reviews.llvm.org/D72992
This commit is contained in:
Liad Mordekoviz 2020-02-11 11:10:57 +00:00 committed by James Henderson
parent f18c59e9e1
commit 7dc65bf930
13 changed files with 113 additions and 39 deletions
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2
test/MC/ARM/dwarf-asm-multiple-sections-dwarf-2.s
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@ -50,6 +50,7 @@ b:
// RELOC: RELOCATION RECORDS FOR [.debug_info]:
// RELOC-NEXT: OFFSET TYPE VALUE
// RELOC-NEXT: 00000006 R_ARM_ABS32 .debug_abbrev
// RELOC-NEXT: 0000000c R_ARM_ABS32 .debug_line
// RELOC-NEXT: R_ARM_ABS32 .text
@ -60,6 +61,7 @@ b:
// RELOC-NOT: RELOCATION RECORDS FOR [.debug_ranges]:
// RELOC: RELOCATION RECORDS FOR [.debug_aranges]:
// RELOC-NEXT: OFFSET TYPE VALUE
// RELOC-NEXT: 00000006 R_ARM_ABS32 .debug_info
// RELOC-NEXT: 00000010 R_ARM_ABS32 .text
// RELOC-NEXT: 00000018 R_ARM_ABS32 foo

4
test/MC/ARM/dwarf-asm-multiple-sections.s
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@ -78,9 +78,11 @@ b:
// Offsets are different in DWARF v5 due to different header layout.
// RELOC: RELOCATION RECORDS FOR [.debug_info]:
// RELOC4-NEXT: OFFSET TYPE VALUE
// RELOC4-NEXT: 00000006 R_ARM_ABS32 .debug_abbrev
// RELOC4-NEXT: 0000000c R_ARM_ABS32 .debug_line
// RELOC4-NEXT: 00000010 R_ARM_ABS32 .debug_ranges
// RELOC5-NEXT: OFFSET TYPE VALUE
// RELOC5-NEXT: 00000008 R_ARM_ABS32 .debug_abbrev
// RELOC5-NEXT: 0000000d R_ARM_ABS32 .debug_line
// RELOC5-NEXT: 00000011 R_ARM_ABS32 .debug_ranges
@ -88,10 +90,12 @@ b:
// RELOC-NEXT: R_ARM_ABS32 foo
// RELOC: RELOCATION RECORDS FOR [.debug_ranges]:
// RELOC-NEXT: OFFSET TYPE VALUE
// RELOC-NEXT: 00000004 R_ARM_ABS32 .text
// RELOC-NEXT: 00000014 R_ARM_ABS32 foo
// RELOC: RELOCATION RECORDS FOR [.debug_aranges]:
// RELOC-NEXT: OFFSET TYPE VALUE
// RELOC-NEXT: 00000006 R_ARM_ABS32 .debug_info
// RELOC-NEXT: 00000010 R_ARM_ABS32 .text
// RELOC-NEXT: 00000018 R_ARM_ABS32 foo

2
test/MC/ARM/dwarf-asm-nonstandard-section.s
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@ -43,6 +43,7 @@ b:
// RELOC: RELOCATION RECORDS FOR [.debug_info]:
// RELOC-NEXT: OFFSET TYPE VALUE
// RELOC-NEXT: 00000006 R_ARM_ABS32 .debug_abbrev
// RELOC-NEXT: 0000000c R_ARM_ABS32 .debug_line
// RELOC-NEXT: R_ARM_ABS32 foo
@ -52,5 +53,6 @@ b:
// RELOC-NOT: RELOCATION RECORDS FOR [.debug_ranges]:
// RELOC: RELOCATION RECORDS FOR [.debug_aranges]:
// RELOC-NEXT: OFFSET TYPE VALUE
// RELOC-NEXT: 00000006 R_ARM_ABS32 .debug_info
// RELOC-NEXT: 00000010 R_ARM_ABS32 foo

2
test/MC/ARM/dwarf-asm-single-section.s
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@ -42,6 +42,7 @@ a:
// RELOC: RELOCATION RECORDS FOR [.debug_info]:
// RELOC-NEXT: OFFSET TYPE VALUE
// RELOC-NEXT: 00000006 R_ARM_ABS32 .debug_abbrev
// RELOC-NEXT: 0000000c R_ARM_ABS32 .debug_line
// RELOC-NEXT: R_ARM_ABS32 .text
@ -51,5 +52,6 @@ a:
// RELOC-NOT: RELOCATION RECORDS FOR [.debug_ranges]:
// RELOC: RELOCATION RECORDS FOR [.debug_aranges]:
// RELOC-NEXT: OFFSET TYPE VALUE
// RELOC-NEXT: 00000006 R_ARM_ABS32 .debug_info
// RELOC-NEXT: 00000010 R_ARM_ABS32 .text

2
test/MC/COFF/cfi-sections.s
View File

@ -14,12 +14,14 @@ f2:
.cfi_endproc
// COFF_X86_64: RELOCATION RECORDS FOR [.debug_frame]:
// COFF_X86_64-NEXT: {{.*}}OFFSET TYPE VALUE
// COFF_X86_64-NEXT: {{.*}} IMAGE_REL_AMD64_SECREL .debug_frame
// COFF_X86_64-NEXT: {{.*}} IMAGE_REL_AMD64_ADDR64 .text
// COFF_X86_64-NEXT: {{.*}} IMAGE_REL_AMD64_SECREL .debug_frame
// COFF_X86_64-NEXT: {{.*}} IMAGE_REL_AMD64_ADDR64 .text
// COFF_I686: RELOCATION RECORDS FOR [.debug_frame]:
// COFF_I686-NEXT: {{.*}}OFFSET TYPE VALUE
// COFF_I686-NEXT: {{.*}} IMAGE_REL_I386_SECREL .debug_frame
// COFF_I686-NEXT: {{.*}} IMAGE_REL_I386_DIR32 .text
// COFF_I686-NEXT: {{.*}} IMAGE_REL_I386_SECREL .debug_frame

2
test/Object/objdump-relocations.test
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@ -119,12 +119,14 @@ Symbols:
# ELF-MIPSEL: R_MIPS_CALL16 SomeOtherFunction
# WASM: CODE
# WASM-NEXT: OFFSET TYPE VALUE
# WASM-NEXT: R_WASM_MEMORY_ADDR_SLEB .L.str
# WASM-NEXT: R_WASM_FUNCTION_INDEX_LEB puts
# WASM-NEXT: R_WASM_FUNCTION_INDEX_LEB .LSomeOtherFunction_bitcast
# WASM-NEXT: R_WASM_FUNCTION_INDEX_LEB SomeOtherFunction
# ELF-complex-x86-64: .text
# ELF-complex-x86-64-NEXT: OFFSET TYPE VALUE
# ELF-complex-x86-64-NEXT: R_X86_64_8 .data-0x4
# ELF-complex-x86-64-NEXT: R_X86_64_16 .data-0x4
# ELF-complex-x86-64-NEXT: R_X86_64_32 .data-0x4

12
test/tools/llvm-objdump/WebAssembly/relocations.test
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@ -1,4 +1,4 @@
; RUN: llc -mtriple=wasm32-unknown-unknown -filetype=obj %s -o - | llvm-objdump -r - | FileCheck %s
; RUN: llc -mtriple=wasm32-unknown-unknown -filetype=obj %s -o - | llvm-objdump -r - | FileCheck %s --strict-whitespace --match-full-lines
@foo = external global i32, align 4
@bar = global i32* @foo, align 4
@ -9,8 +9,10 @@ entry:
ret void
}
; CHECK: RELOCATION RECORDS FOR [CODE]:
; CHECK-NEXT: 00000006 R_WASM_TYPE_INDEX_LEB 1+0
; CHECK:RELOCATION RECORDS FOR [CODE]:
; CHECK-NEXT:OFFSET TYPE VALUE
; CHECK-NEXT:00000006 R_WASM_TYPE_INDEX_LEB 1+0
; CHECK: RELOCATION RECORDS FOR [DATA]:
; CHECK-NEXT: 00000006 R_WASM_MEMORY_ADDR_I32 foo+0
; CHECK:RELOCATION RECORDS FOR [DATA]:
; CHECK-NEXT:OFFSET TYPE VALUE
; CHECK-NEXT:00000006 R_WASM_MEMORY_ADDR_I32 foo+0

1
test/tools/llvm-objdump/coff-many-relocs.test
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@ -2,6 +2,7 @@
// RUN: llvm-objdump -r %p/Inputs/many-relocs.obj-i386 | FileCheck %s
CHECK: RELOCATION RECORDS FOR [.text]:
CHECK-NEXT: TYPE VALUE
CHECK-NEXT: IMAGE_REL_I386_DIR16 foo
CHECK-NEXT: IMAGE_REL_I386_REL16 foo
CHECK-NEXT: IMAGE_REL_I386_DIR32 foo

25
test/tools/llvm-objdump/hex-relocation-addr.test
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@ -2,16 +2,17 @@
// RUN: llvm-objdump -r %p/Inputs/win64-unwind.exe.coff-x86_64.obj | FileCheck %s
CHECK: RELOCATION RECORDS FOR [.pdata]:
CHECK-NEXT: 0 IMAGE_REL_AMD64_ADDR32NB func
CHECK-NEXT: 4 IMAGE_REL_AMD64_ADDR32NB func
CHECK-NEXT: 8 IMAGE_REL_AMD64_ADDR32NB .xdata
CHECK-NEXT: c IMAGE_REL_AMD64_ADDR32NB func
CHECK-NEXT: 10 IMAGE_REL_AMD64_ADDR32NB func
CHECK-NEXT: 14 IMAGE_REL_AMD64_ADDR32NB .xdata
CHECK-NEXT: 18 IMAGE_REL_AMD64_ADDR32NB smallFunc
CHECK-NEXT: 1c IMAGE_REL_AMD64_ADDR32NB smallFunc
CHECK-NEXT: 20 IMAGE_REL_AMD64_ADDR32NB .xdata
CHECK-NEXT: 24 IMAGE_REL_AMD64_ADDR32NB allocFunc
CHECK-NEXT: 28 IMAGE_REL_AMD64_ADDR32NB allocFunc
CHECK-NEXT: 2c IMAGE_REL_AMD64_ADDR32NB .xdata
CHECK-NEXT: OFFSET TYPE VALUE
CHECK-NEXT: 0000000000000000 IMAGE_REL_AMD64_ADDR32NB func
CHECK-NEXT: 0000000000000004 IMAGE_REL_AMD64_ADDR32NB func
CHECK-NEXT: 0000000000000008 IMAGE_REL_AMD64_ADDR32NB .xdata
CHECK-NEXT: 000000000000000c IMAGE_REL_AMD64_ADDR32NB func
CHECK-NEXT: 0000000000000010 IMAGE_REL_AMD64_ADDR32NB func
CHECK-NEXT: 0000000000000014 IMAGE_REL_AMD64_ADDR32NB .xdata
CHECK-NEXT: 0000000000000018 IMAGE_REL_AMD64_ADDR32NB smallFunc
CHECK-NEXT: 000000000000001c IMAGE_REL_AMD64_ADDR32NB smallFunc
CHECK-NEXT: 0000000000000020 IMAGE_REL_AMD64_ADDR32NB .xdata
CHECK-NEXT: 0000000000000024 IMAGE_REL_AMD64_ADDR32NB allocFunc
CHECK-NEXT: 0000000000000028 IMAGE_REL_AMD64_ADDR32NB allocFunc
CHECK-NEXT: 000000000000002c IMAGE_REL_AMD64_ADDR32NB .xdata

1
test/tools/llvm-objdump/relocation-xindex-symbol.test
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@ -6,6 +6,7 @@
# RUN: llvm-objdump -r %t | FileCheck %s
# CHECK: RELOCATION RECORDS FOR [.text]:
# CHECK-NEXT: OFFSET TYPE VALUE
# CHECK-NEXT: 0000000000000000 R_X86_64_32 bar
--- !ELF

64
test/tools/llvm-objdump/relocations-elf.test
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@ -2,15 +2,16 @@
# RUN: llvm-objdump --reloc %t > %t1
# RUN: llvm-objdump -r %t > %t2
# RUN: cmp %t1 %t2
# RUN: FileCheck %s --input-file=%t1
# RUN: FileCheck %s --input-file=%t1 --strict-whitespace --match-full-lines
# CHECK: RELOCATION RECORDS FOR [.text]:
# CHECK-NEXT: 0000000000000001 R_X86_64_32 glob1
# CHECK-NEXT: 0000000000000001 R_X86_64_32S glob2
# CHECK-NEXT: 0000000000000002 R_X86_64_64 loc1
# CHECK-NEXT: 0000000000000001 R_X86_64_32 glob1+0x1
# CHECK-NEXT: 0000000000000001 R_X86_64_32S glob2+0x2
# CHECK-NEXT: 0000000000000002 R_X86_64_64 loc1+0x3
# CHECK:RELOCATION RECORDS FOR [.text]:
# CHECK-NEXT:OFFSET TYPE VALUE
# CHECK-NEXT:0000000000000001 R_X86_64_32 glob1
# CHECK-NEXT:0000000000000001 R_X86_64_32S glob2
# CHECK-NEXT:0000000000000002 R_X86_64_64 loc1
# CHECK-NEXT:0000000000000001 R_X86_64_32 glob1+0x1
# CHECK-NEXT:0000000000000001 R_X86_64_32S glob2+0x2
# CHECK-NEXT:0000000000000002 R_X86_64_64 loc1+0x3
--- !ELF
FileHeader: !FileHeader
@ -143,3 +144,50 @@ Symbols:
Value: 0x0
Size: 0
Binding: STB_GLOBAL
## Check relocation formatting on 32 bit as well to verify the formatting is correct.
# RUN: yaml2obj --docnum=4 %s > %t4
# RUN: llvm-objdump -r %t4 | FileCheck %s --check-prefix=ELF32 --strict-whitespace --match-full-lines
# ELF32:RELOCATION RECORDS FOR [.text]:
# ELF32-NEXT:OFFSET TYPE VALUE
# ELF32-NEXT:00000001 R_386_32 global
# ELF32-NEXT:00000002 R_386_PC32 local
# ELF32-NEXT:00000001 R_386_NONE global+0x1
# ELF32-NEXT:00000002 R_386_NONE local+0x2
--- !ELF
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_386
Sections:
- Name: .text
Type: SHT_PROGBITS
- Name: .rel.text
Type: SHT_REL
Info: .text
Relocations:
- Offset: 0x1
Symbol: global
Type: R_386_32
- Offset: 0x2
Symbol: local
Type: R_386_PC32
- Name: .rela.text
Type: SHT_RELA
Info: .text
Relocations:
- Offset: 0x1
Addend: 1
Symbol: global
Type: R_386_NONE
- Offset: 0x2
Addend: 2
Symbol: local
Type: R_386_NONE
Symbols:
- Name: local
- Name: global
Binding: STB_GLOBAL

1
test/tools/llvm-objdump/relocations-in-nonreloc.test
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@ -10,6 +10,7 @@
# FMT: [[FILE]]: file format ELF64-x86-64
# REL: RELOCATION RECORDS FOR []:
# REL-NEXT: OFFSET TYPE VALUE
# REL-NEXT: 0000000000000123 R_X86_64_NONE *ABS*+0x141
## Executable.

10
tools/llvm-objdump/llvm-objdump.cpp
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@ -1645,6 +1645,11 @@ void printRelocations(const ObjectFile *Obj) {
for (std::pair<SectionRef, std::vector<SectionRef>> &P : SecToRelSec) {
StringRef SecName = unwrapOrError(P.first.getName(), Obj->getFileName());
outs() << "RELOCATION RECORDS FOR [" << SecName << "]:\n";
uint32_t OffsetPadding = (Obj->getBytesInAddress() > 4 ? 16 : 8);
uint32_t TypePadding = 24;
outs() << left_justify("OFFSET", OffsetPadding) << " "
<< left_justify("TYPE", TypePadding) << " "
<< "VALUE\n";
for (SectionRef Section : P.second) {
for (const RelocationRef &Reloc : Section.relocations()) {
@ -1657,8 +1662,9 @@ void printRelocations(const ObjectFile *Obj) {
if (Error E = getRelocationValueString(Reloc, ValueStr))
reportError(std::move(E), Obj->getFileName());
outs() << format(Fmt.data(), Address) << " " << RelocName << " "
<< ValueStr << "\n";
outs() << format(Fmt.data(), Address) << " "
<< left_justify(RelocName, TypePadding) << " " << ValueStr
<< "\n";
}
}
outs() << "\n";