edd6c3587c
When the data segment is the last segment, it is correct to leave it unaligned. However, when the code segment is the last segment, it should be aligned to the page boundary to avoid loading the non-segment parts of the ELF file at the end of the file. Differential Revision: https://reviews.llvm.org/D33630 llvm-svn: 309829
121 lines
3.8 KiB
ArmAsm
121 lines
3.8 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/relocatable.s -o %t2.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/relocatable2.s -o %t3.o
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# RUN: ld.lld -r %t1.o %t2.o %t3.o -o %t
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# RUN: llvm-readobj -file-headers -sections -program-headers -symbols -r %t | FileCheck %s
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# RUN: llvm-objdump -s -d %t | FileCheck -check-prefix=CHECKTEXT %s
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## Test --relocatable alias
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# RUN: ld.lld --relocatable %t1.o %t2.o %t3.o -o %t
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# RUN: llvm-readobj -file-headers -sections -program-headers -symbols -r %t | FileCheck %s
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# RUN: llvm-objdump -s -d %t | FileCheck -check-prefix=CHECKTEXT %s
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## Verify that we can use our relocation output as input to produce executable
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# RUN: ld.lld -e main %t -o %texec
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# RUN: llvm-readobj -file-headers %texec | FileCheck -check-prefix=CHECKEXE %s
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# CHECK: ElfHeader {
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# CHECK-NEXT: Ident {
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# CHECK-NEXT: Magic: (7F 45 4C 46)
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# CHECK-NEXT: Class: 64-bit
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# CHECK-NEXT: DataEncoding: LittleEndian
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# CHECK-NEXT: FileVersion: 1
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# CHECK-NEXT: OS/ABI: SystemV
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# CHECK-NEXT: ABIVersion: 0
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# CHECK-NEXT: Unused: (00 00 00 00 00 00 00)
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# CHECK-NEXT: }
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# CHECK-NEXT: Type: Relocatable
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# CHECK-NEXT: Machine: EM_X86_64
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# CHECK-NEXT: Version: 1
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# CHECK-NEXT: Entry: 0x0
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# CHECK-NEXT: ProgramHeaderOffset: 0x0
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# CHECK-NEXT: SectionHeaderOffset:
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# CHECK-NEXT: Flags [
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# CHECK-NEXT: ]
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# CHECK-NEXT: HeaderSize: 64
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# CHECK-NEXT: ProgramHeaderEntrySize: 0
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# CHECK-NEXT: ProgramHeaderCount: 0
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# CHECK-NEXT: SectionHeaderEntrySize: 64
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# CHECK-NEXT: SectionHeaderCount: 7
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# CHECK-NEXT: StringTableSectionIndex: 5
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# CHECK-NEXT: }
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# CHECK: Relocations [
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# CHECK-NEXT: Section ({{.*}}) .rela.text {
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# CHECK-NEXT: 0x3 R_X86_64_32S x 0x0
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# CHECK-NEXT: 0xE R_X86_64_32S y 0x0
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# CHECK-NEXT: 0x23 R_X86_64_32S xx 0x0
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# CHECK-NEXT: 0x2E R_X86_64_32S yy 0x0
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# CHECK-NEXT: 0x43 R_X86_64_32S xxx 0x0
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# CHECK-NEXT: 0x4E R_X86_64_32S yyy 0x0
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# CHECK-NEXT: }
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# CHECKTEXT: Disassembly of section .text:
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# CHECKTEXT-NEXT: main:
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# CHECKTEXT-NEXT: 0: c7 04 25 00 00 00 00 05 00 00 00 movl $5, 0
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# CHECKTEXT-NEXT: b: c7 04 25 00 00 00 00 07 00 00 00 movl $7, 0
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# CHECKTEXT: foo:
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# CHECKTEXT-NEXT: 20: c7 04 25 00 00 00 00 01 00 00 00 movl $1, 0
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# CHECKTEXT-NEXT: 2b: c7 04 25 00 00 00 00 02 00 00 00 movl $2, 0
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# CHECKTEXT: bar:
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# CHECKTEXT-NEXT: 40: c7 04 25 00 00 00 00 08 00 00 00 movl $8, 0
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# CHECKTEXT-NEXT: 4b: c7 04 25 00 00 00 00 09 00 00 00 movl $9, 0
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# CHECKEXE: Format: ELF64-x86-64
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# CHECKEXE-NEXT: Arch: x86_64
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# CHECKEXE-NEXT: AddressSize: 64bit
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# CHECKEXE-NEXT: LoadName:
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# CHECKEXE-NEXT: ElfHeader {
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# CHECKEXE-NEXT: Ident {
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# CHECKEXE-NEXT: Magic: (7F 45 4C 46)
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# CHECKEXE-NEXT: Class: 64-bit
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# CHECKEXE-NEXT: DataEncoding: LittleEndian
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# CHECKEXE-NEXT: FileVersion: 1
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# CHECKEXE-NEXT: OS/ABI: SystemV (0x0)
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# CHECKEXE-NEXT: ABIVersion: 0
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# CHECKEXE-NEXT: Unused: (00 00 00 00 00 00 00)
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# CHECKEXE-NEXT: }
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# CHECKEXE-NEXT: Type: Executable
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# CHECKEXE-NEXT: Machine: EM_X86_64
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# CHECKEXE-NEXT: Version: 1
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# CHECKEXE-NEXT: Entry: 0x201000
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# CHECKEXE-NEXT: ProgramHeaderOffset: 0x40
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# CHECKEXE-NEXT: SectionHeaderOffset: 0x21A0
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# CHECKEXE-NEXT: Flags [
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# CHECKEXE-NEXT: ]
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# CHECKEXE-NEXT: HeaderSize: 64
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# CHECKEXE-NEXT: ProgramHeaderEntrySize: 56
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# CHECKEXE-NEXT: ProgramHeaderCount: 5
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# CHECKEXE-NEXT: SectionHeaderEntrySize: 64
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# CHECKEXE-NEXT: SectionHeaderCount: 7
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# CHECKEXE-NEXT: StringTableSectionIndex: 5
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# CHECKEXE-NEXT: }
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.text
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.type x,@object
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.bss
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.globl x
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.align 4
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x:
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.long 0
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.size x, 4
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.type y,@object
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.globl y
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.align 4
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y:
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.long 0
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.size y, 4
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.text
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.globl main
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.align 16, 0x90
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.type main,@function
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main:
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movl $5, x
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movl $7, y
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blah:
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goo:
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abs = 42
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