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
253 lines
7.9 KiB
ArmAsm
253 lines
7.9 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
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# RUN: ld.lld %t -o %t2
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# RUN: llvm-readobj -file-headers -sections -program-headers -symbols %t2 \
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# RUN: | FileCheck %s
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# RUN: ld.lld %t -o /dev/null
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# exits with return code 42 on linux
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.globl _start
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_start:
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mov $60, %rax
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mov $42, %rdi
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syscall
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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 (0x2)
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# CHECK-NEXT: DataEncoding: LittleEndian (0x1)
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# CHECK-NEXT: FileVersion: 1
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# CHECK-NEXT: OS/ABI: SystemV (0x0)
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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: Executable (0x2)
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# CHECK-NEXT: Machine: EM_X86_64 (0x3E)
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# CHECK-NEXT: Version: 1
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# CHECK-NEXT: Entry: [[ENTRY:0x[0-9A-F]+]]
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# CHECK-NEXT: ProgramHeaderOffset: 0x40
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# CHECK-NEXT: SectionHeaderOffset: 0x2070
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# CHECK-NEXT: Flags [ (0x0)
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# CHECK-NEXT: ]
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# CHECK-NEXT: HeaderSize: 64
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# CHECK-NEXT: ProgramHeaderEntrySize: 56
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# CHECK-NEXT: ProgramHeaderCount: 4
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# CHECK-NEXT: SectionHeaderEntrySize: 64
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# CHECK-NEXT: SectionHeaderCount: 6
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# CHECK-NEXT: StringTableSectionIndex: 4
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# CHECK-NEXT: }
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# CHECK-NEXT: Sections [
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# CHECK-NEXT: Section {
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# CHECK-NEXT: Index: 0
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# CHECK-NEXT: Name: (0)
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# CHECK-NEXT: Type: SHT_NULL (0x0)
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# CHECK-NEXT: Flags [ (0x0)
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# CHECK-NEXT: ]
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# CHECK-NEXT: Address: 0x0
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# CHECK-NEXT: Offset: 0x0
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# CHECK-NEXT: Size: 0
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# CHECK-NEXT: Link: 0
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# CHECK-NEXT: Info: 0
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# CHECK-NEXT: AddressAlignment: 0
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# CHECK-NEXT: EntrySize: 0
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# CHECK-NEXT: }
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# CHECK-NEXT: Section {
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# CHECK-NEXT: Index: 1
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# CHECK-NEXT: Name: .text
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# CHECK-NEXT: Type: SHT_PROGBITS (0x1)
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# CHECK-NEXT: Flags [ (0x6)
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# CHECK-NEXT: SHF_ALLOC (0x2)
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# CHECK-NEXT: SHF_EXECINSTR (0x4)
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# CHECK-NEXT: ]
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# CHECK-NEXT: Address: 0x201000
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# CHECK-NEXT: Offset: 0x1000
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# CHECK-NEXT: Size: 16
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# CHECK-NEXT: Link: 0
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# CHECK-NEXT: Info: 0
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# CHECK-NEXT: AddressAlignment: 4
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# CHECK-NEXT: EntrySize: 0
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# CHECK-NEXT: }
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# CHECK-NEXT: Section {
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# CHECK-NEXT: Index: 2
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# CHECK-NEXT: Name: .comment
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# CHECK-NEXT: Type: SHT_PROGBITS (0x1)
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# CHECK-NEXT: Flags [ (0x30)
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# CHECK-NEXT: SHF_MERGE (0x10)
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# CHECK-NEXT: SHF_STRINGS (0x20)
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# CHECK-NEXT: ]
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# CHECK-NEXT: Address: 0x0
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# CHECK-NEXT: Offset: 0x2000
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# CHECK-NEXT: Size: 8
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# CHECK-NEXT: Link: 0
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# CHECK-NEXT: Info: 0
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# CHECK-NEXT: AddressAlignment: 1
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# CHECK-NEXT: EntrySize: 0
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# CHECK-NEXT: }
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# CHECK-NEXT: Section {
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# CHECK-NEXT: Index: 3
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# CHECK-NEXT: Name: .symtab
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# CHECK-NEXT: Type: SHT_SYMTAB (0x2)
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# CHECK-NEXT: Flags [ (0x0)
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# CHECK-NEXT: ]
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# CHECK-NEXT: Address: 0x0
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# CHECK-NEXT: Offset: 0x2008
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# CHECK-NEXT: Size: 48
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# CHECK-NEXT: Link: 5
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# CHECK-NEXT: Info: 1
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# CHECK-NEXT: AddressAlignment: 8
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# CHECK-NEXT: EntrySize: 24
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# CHECK-NEXT: }
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# CHECK-NEXT: Section {
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# CHECK-NEXT: Index: 4
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# CHECK-NEXT: Name: .shstrtab
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# CHECK-NEXT: Type: SHT_STRTAB (0x3)
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# CHECK-NEXT: Flags [ (0x0)
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# CHECK-NEXT: ]
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# CHECK-NEXT: Address: 0x0
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# CHECK-NEXT: Offset: 0x2038
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# CHECK-NEXT: Size: 42
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# CHECK-NEXT: Link: 0
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# CHECK-NEXT: Info: 0
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# CHECK-NEXT: AddressAlignment: 1
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# CHECK-NEXT: EntrySize: 0
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# CHECK-NEXT: }
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# CHECK-NEXT: Section {
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# CHECK-NEXT: Index: 5
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# CHECK-NEXT: Name: .strtab
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# CHECK-NEXT: Type: SHT_STRTAB (0x3)
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# CHECK-NEXT: Flags [ (0x0)
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# CHECK-NEXT: ]
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# CHECK-NEXT: Address: 0x0
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# CHECK-NEXT: Offset: 0x2062
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# CHECK-NEXT: Size: 8
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# CHECK-NEXT: Link: 0
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# CHECK-NEXT: Info: 0
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# CHECK-NEXT: AddressAlignment: 1
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# CHECK-NEXT: EntrySize: 0
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# CHECK-NEXT: }
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# CHECK-NEXT: ]
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# CHECK-NEXT: Symbols [
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# CHECK-NEXT: Symbol {
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# CHECK-NEXT: Name: (0)
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# CHECK-NEXT: Value: 0x0
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# CHECK-NEXT: Size: 0
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# CHECK-NEXT: Binding: Local (0x0)
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# CHECK-NEXT: Type: None (0x0)
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# CHECK-NEXT: Other: 0
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# CHECK-NEXT: Section: Undefined (0x0)
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# CHECK-NEXT: }
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# CHECK-NEXT: Symbol {
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# CHECK-NEXT: Name: _start
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# CHECK-NEXT: Value: [[ENTRY]]
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# CHECK-NEXT: Size: 0
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# CHECK-NEXT: Binding: Global (0x1)
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# CHECK-NEXT: Type: None (0x0)
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# CHECK-NEXT: Other: 0
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# CHECK-NEXT: Section: .text
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# CHECK-NEXT: }
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# CHECK-NEXT: ]
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# CHECK-NEXT: ProgramHeaders [
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# CHECK-NEXT: ProgramHeader {
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# CHECK-NEXT: Type: PT_PHDR (0x6)
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# CHECK-NEXT: Offset: 0x40
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# CHECK-NEXT: VirtualAddress: 0x200040
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# CHECK-NEXT: PhysicalAddress: 0x200040
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# CHECK-NEXT: FileSize: 224
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# CHECK-NEXT: MemSize: 224
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# CHECK-NEXT: Flags [ (0x4)
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# CHECK-NEXT: PF_R (0x4)
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# CHECK-NEXT: ]
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# CHECK-NEXT: Alignment: 8
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# CHECK-NEXT: }
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# CHECK-NEXT: ProgramHeader {
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# CHECK-NEXT: Type: PT_LOAD (0x1)
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# CHECK-NEXT: Offset: 0x0
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# CHECK-NEXT: VirtualAddress: 0x200000
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# CHECK-NEXT: PhysicalAddress: 0x200000
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# CHECK-NEXT: FileSize: 288
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# CHECK-NEXT: MemSize: 288
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# CHECK-NEXT: Flags [
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# CHECK-NEXT: PF_R
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# CHECK-NEXT: ]
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# CHECK-NEXT: Alignment: 4096
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# CHECK-NEXT: }
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# CHECK-NEXT: ProgramHeader {
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# CHECK-NEXT: Type: PT_LOAD (0x1)
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# CHECK-NEXT: Offset: 0x1000
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# CHECK-NEXT: VirtualAddress: 0x201000
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# CHECK-NEXT: PhysicalAddress: 0x201000
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# CHECK-NEXT: FileSize: 4096
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# CHECK-NEXT: MemSize: 16
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# CHECK-NEXT: Flags [ (0x5)
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# CHECK-NEXT: PF_R (0x4)
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# CHECK-NEXT: PF_X (0x1)
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# CHECK-NEXT: ]
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# CHECK-NEXT: Alignment: 4096
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# CHECK-NEXT: }
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# CHECK-NEXT: ProgramHeader {
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# CHECK-NEXT: Type: PT_GNU_STACK
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# CHECK-NEXT: Offset: 0x0
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# CHECK-NEXT: VirtualAddress: 0x0
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# CHECK-NEXT: PhysicalAddress: 0x0
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# CHECK-NEXT: FileSize: 0
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# CHECK-NEXT: MemSize: 0
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# CHECK-NEXT: Flags [
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# CHECK-NEXT: PF_R
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# CHECK-NEXT: PF_W
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# CHECK-NEXT: ]
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# CHECK-NEXT: Alignment: 0
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# CHECK-NEXT: }
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# CHECK-NEXT: ]
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# Test for the response file (POSIX quoting style)
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# RUN: echo " -o %t2" > %t.responsefile
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# RUN: ld.lld %t --rsp-quoting=posix @%t.responsefile
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# RUN: llvm-readobj -file-headers -sections -program-headers -symbols %t2 \
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# RUN: | FileCheck %s
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# Test for the response file (Windows quoting style)
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# RUN: echo " c:\blah\foo" > %t.responsefile
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# RUN: not ld.lld --rsp-quoting=windows %t @%t.responsefile 2>&1 | FileCheck \
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# RUN: %s --check-prefix=WINRSP
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# WINRSP: cannot open c:\blah\foo
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# Test for the response file (invalid quoting style)
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# RUN: not ld.lld --rsp-quoting=patatino %t 2>&1 | FileCheck %s \
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# RUN: --check-prefix=INVRSP
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# INVRSP: invalid response file quoting: patatino
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# RUN: not ld.lld %t.foo -o %t2 2>&1 | \
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# RUN: FileCheck --check-prefix=MISSING %s
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# MISSING: cannot open {{.*}}.foo: {{[Nn]}}o such file or directory
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# RUN: not ld.lld -o %t2 2>&1 | \
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# RUN: FileCheck --check-prefix=NO_INPUT %s
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# NO_INPUT: ld.lld{{.*}}: no input files
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# RUN: not ld.lld %t.no.such.file -o %t2 2>&1 | \
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# RUN: FileCheck --check-prefix=CANNOT_OPEN %s
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# CANNOT_OPEN: cannot open {{.*}}.no.such.file: {{[Nn]}}o such file or directory
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# RUN: not ld.lld %t -o 2>&1 | FileCheck --check-prefix=NO_O_VAL %s
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# NO_O_VAL: -o: missing argument
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# RUN: not ld.lld --foo 2>&1 | FileCheck --check-prefix=UNKNOWN %s
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# UNKNOWN: unknown argument: --foo
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
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# RUN: not ld.lld %t %t -o %t2 2>&1 | FileCheck --check-prefix=DUP %s
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# DUP: duplicate symbol: _start
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# DUP-NEXT: >>> defined at {{.*}}:(.text+0x0)
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# DUP-NEXT: >>> defined at {{.*}}:(.text+0x0)
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# RUN: not ld.lld %t -o %t -m wrong_emul_fbsd 2>&1 | FileCheck --check-prefix=UNKNOWN_EMUL %s
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# UNKNOWN_EMUL: unknown emulation: wrong_emul_fbsd
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# RUN: not ld.lld %t --lto-partitions=0 2>&1 | FileCheck --check-prefix=NOTHREADS %s
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# NOTHREADS: --lto-partitions: number of threads must be > 0
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# RUN: not ld.lld %t --thinlto-jobs=0 2>&1 | FileCheck --check-prefix=NOTHREADSTHIN %s
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# NOTHREADSTHIN: --thinlto-jobs: number of threads must be > 0
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