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llvm-mirror/test/Object/X86/objdump-disassembly-inline-relocations.test
Fangrui Song 3d2508df1f [X86InstPrinter] Change printPCRelImm to print the target address in hexadecimal form 
```
// llvm-objdump -d output (before)
400000: e8 0b 00 00 00   callq 11
400005: e8 0b 00 00 00   callq 11

// llvm-objdump -d output (after)
400000: e8 0b 00 00 00  callq 0x400010
400005: e8 0b 00 00 00  callq 0x400015

// GNU objdump -d. The lack of 0x is not ideal because the result cannot be re-assembled
400000: e8 0b 00 00 00  callq 400010
400005: e8 0b 00 00 00  callq 400015
```

In llvm-objdump, we pass the address of the next MCInst. Ideally we
should just thread the address of the current address, unfortunately we
cannot call X86MCCodeEmitter::encodeInstruction (X86MCCodeEmitter
requires MCInstrInfo and MCContext) to get the length of the MCInst.

MCInstPrinter::printInst has other callers (e.g llvm-mc -filetype=asm, llvm-mca) which set Address to 0.
They leave MCInstPrinter::PrintBranchImmAsAddress as false and this change is a no-op for them.

Reviewed By: jhenderson

Differential Revision: https://reviews.llvm.org/D76580
2020-03-26 08:28:59 -07:00

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# RUN: llvm-objdump -d -r %p/../Inputs/trivial-object-test.coff-i386 \
# RUN: | FileCheck %s -check-prefix COFF-i386
# COFF-i386: file format coff-i386
# COFF-i386: Disassembly of section .text:
# COFF-i386: 0: 83 ec 0c subl $12, %esp
# COFF-i386: 3: c7 44 24 08 00 00 00 00 movl $0, 8(%esp)
# COFF-i386: b: c7 04 24 00 00 00 00 movl $0, (%esp)
# COFF-i386: e: IMAGE_REL_I386_DIR32 L_.str
# COFF-i386: 12: e8 00 00 00 00 calll 0
# COFF-i386: 13: IMAGE_REL_I386_REL32 _puts
# COFF-i386: 17: e8 00 00 00 00 calll 0
# COFF-i386: 18: IMAGE_REL_I386_REL32 _SomeOtherFunction
# COFF-i386: 1c: 8b 44 24 08 movl 8(%esp), %eax
# COFF-i386: 20: 83 c4 0c addl $12, %esp
# COFF-i386: 23: c3 ret
# RUN: llvm-objdump -d -r %p/../Inputs/trivial-object-test.coff-x86-64 \
# RUN: | FileCheck %s -check-prefix COFF-x86-64
# COFF-x86-64: file format coff-x86-64
# COFF-x86-64: Disassembly of section .text:
# COFF-x86-64: 0: 48 83 ec 28 subq $40, %rsp
# COFF-x86-64: 4: c7 44 24 24 00 00 00 00 movl $0, 36(%rsp)
# COFF-x86-64: c: 48 8d 0d 00 00 00 00 leaq (%rip), %rcx
# COFF-x86-64: f: IMAGE_REL_AMD64_REL32 L.str
# COFF-x86-64: 13: e8 00 00 00 00 callq 0
# COFF-x86-64: 14: IMAGE_REL_AMD64_REL32 puts
# COFF-x86-64: 18: e8 00 00 00 00 callq 0
# COFF-x86-64: 19: IMAGE_REL_AMD64_REL32 SomeOtherFunction
# COFF-x86-64: 1d: 8b 44 24 24 movl 36(%rsp), %eax
# COFF-x86-64: 21: 48 83 c4 28 addq $40, %rsp
# COFF-x86-64: 25: c3 ret
# RUN: llvm-objdump -d -r %p/../Inputs/trivial-object-test.macho-i386 \
# RUN: | FileCheck %s -check-prefix MACHO-i386
# MACHO-i386: file format mach-o 32-bit i386
# MACHO-i386: Disassembly of section __TEXT,__text:
# MACHO-i386: <_main>:
# MACHO-i386: 0: 83 ec 0c subl $12, %esp
# MACHO-i386: 3: c7 44 24 08 00 00 00 00 movl $0, 8(%esp)
# MACHO-i386: b: c7 04 24 24 00 00 00 movl $36, (%esp)
# MACHO-i386: e: GENERIC_RELOC_VANILLA __cstring
# MACHO-i386: 12: e8 1f 00 00 00 calll 0x36
# MACHO-i386: 13: GENERIC_RELOC_VANILLA __jump_table
# MACHO-i386: 17: e8 15 00 00 00 calll 0x31
# MACHO-i386: 18: GENERIC_RELOC_VANILLA __jump_table
# MACHO-i386: 1c: 8b 44 24 08 movl 8(%esp), %eax
# MACHO-i386: 20: 83 c4 0c addl $12, %esp
# MACHO-i386: 23: c3 ret
# RUN: llvm-objdump -d -r %p/../Inputs/trivial-object-test.macho-x86-64 \
# RUN: | FileCheck %s -check-prefix MACHO-x86-64
# MACHO-x86-64: file format mach-o 64-bit x86-64
# MACHO-x86-64: Disassembly of section __TEXT,__text:
# MACHO-x86-64: <_main>:
# MACHO-x86-64: 0: 48 83 ec 08 subq $8, %rsp
# MACHO-x86-64: 4: c7 44 24 04 00 00 00 00 movl $0, 4(%rsp)
# MACHO-x86-64: c: 48 8d 3d 00 00 00 00 leaq (%rip), %rdi
# MACHO-x86-64: f: X86_64_RELOC_SIGNED L_.str
# MACHO-x86-64: 13: e8 00 00 00 00 callq 0
# MACHO-x86-64: 14: X86_64_RELOC_BRANCH _puts
# MACHO-x86-64: 18: 30 c0 xorb %al, %al
# MACHO-x86-64: 1a: e8 00 00 00 00 callq 0
# MACHO-x86-64: 1b: X86_64_RELOC_BRANCH _SomeOtherFunction
# MACHO-x86-64: 1f: 8b 44 24 04 movl 4(%rsp), %eax
# MACHO-x86-64: 23: 48 83 c4 08 addq $8, %rsp
# MACHO-x86-64: 27: c3 ret
# RUN: yaml2obj --docnum=1 %s -o %t.elf-i386
# RUN: llvm-objdump -d -r %t.elf-i386 | FileCheck %s --check-prefix=ELF-i386
# ELF-i386: file format elf32-i386
# ELF-i386: Disassembly of section .text:
# ELF-i386: <main>:
# ELF-i386: 0: 83 ec 0c subl $12, %esp
# ELF-i386: 3: c7 44 24 08 00 00 00 00 movl $0, 8(%esp)
# ELF-i386: b: c7 04 24 00 00 00 00 movl $0, (%esp)
# ELF-i386: e: R_386_32 .rodata.str1.1
# ELF-i386: 12: e8 fc ff ff ff calll 0x13
# ELF-i386: 13: R_386_PC32 puts
# ELF-i386: 17: e8 fc ff ff ff calll 0x18
# ELF-i386: 18: R_386_PC32 SomeOtherFunction
# ELF-i386: 1c: 8b 44 24 08 movl 8(%esp), %eax
# ELF-i386: 20: 83 c4 0c addl $12, %esp
# ELF-i386: 23: c3 ret
--- !ELF
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_386
Sections:
- Name: .text
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
Content: 83EC0CC744240800000000C7042400000000E8FCFFFFFFE8FCFFFFFF8B44240883C40CC3
- Name: .rodata.str1.1
Type: SHT_PROGBITS
- Name: .rel.text
Type: SHT_REL
Info: .text
Relocations:
- Offset: 0x000000000000000E
Symbol: .rodata.str1.1
Type: R_386_32
- Offset: 0x0000000000000013
Symbol: puts
Type: R_386_PC32
- Offset: 0x0000000000000018
Symbol: SomeOtherFunction
Type: R_386_PC32
Symbols:
- Name: .rodata.str1.1
Type: STT_SECTION
Section: .rodata.str1.1
- Name: main
Type: STT_FUNC
Section: .text
Binding: STB_GLOBAL
- Name: SomeOtherFunction
Binding: STB_GLOBAL
- Name: puts
Binding: STB_GLOBAL
# RUN: yaml2obj --docnum=2 %s -o %t.elf-x86-64
# RUN: llvm-objdump -d -r %t.elf-x86-64 | FileCheck %s --check-prefix=ELF-x86-64
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Sections:
- Name: .text
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
Content: 4883EC08C744240400000000BF00000000E80000000030C0E8000000008B4424044883C408C3
- Name: .rodata.str1.1
Type: SHT_PROGBITS
- Name: .rela.text
Type: SHT_RELA
Info: .text
Relocations:
- Offset: 0x000000000000000D
Symbol: .rodata.str1.1
Type: R_X86_64_32S
- Offset: 0x0000000000000012
Symbol: puts
Type: R_X86_64_PC32
Addend: -4
- Offset: 0x0000000000000019
Symbol: SomeOtherFunction
Type: R_X86_64_PC32
Addend: -4
Symbols:
- Name: .rodata.str1.1
Type: STT_SECTION
Section: .rodata.str1.1
- Name: main
Type: STT_FUNC
Section: .text
Binding: STB_GLOBAL
- Name: SomeOtherFunction
Binding: STB_GLOBAL
- Name: puts
Binding: STB_GLOBAL
# ELF-x86-64: file format elf64-x86-64
# ELF-x86-64: Disassembly of section .text:
# ELF-x86-64: <main>:
# ELF-x86-64: 0: 48 83 ec 08 subq $8, %rsp
# ELF-x86-64: 4: c7 44 24 04 00 00 00 00 movl $0, 4(%rsp)
# ELF-x86-64: c: bf 00 00 00 00 movl $0, %edi
# ELF-x86-64: d: R_X86_64_32S .rodata.str1.1
# ELF-x86-64: 11: e8 00 00 00 00 callq 0
# ELF-x86-64: 12: R_X86_64_PC32 puts-0x4
# ELF-x86-64: 16: 30 c0 xorb %al, %al
# ELF-x86-64: 18: e8 00 00 00 00 callq 0
# ELF-x86-64: 19: R_X86_64_PC32 SomeOtherFunction-0x4
# ELF-x86-64: 1d: 8b 44 24 04 movl 4(%rsp), %eax
# ELF-x86-64: 21: 48 83 c4 08 addq $8, %rsp
# ELF-x86-64: 25: c3 ret
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