program-header.yaml 2.71 KB
# RUN: yaml2obj --docnum=1 %s -o %t
# RUN: llvm-readobj -l %t | FileCheck %s

--- !ELF
FileHeader:
  Class:           ELFCLASS64
  Data:            ELFDATA2LSB
  Type:            ET_EXEC
  Machine:         EM_X86_64
Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    AddressAlign:    0x0000000000001000
    Content:         "00000000"
  - Name:            .init
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    Content:         "00000000"
    AddressAlign:    0x0000000000000010
  - Name:            .data
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC ]
    Content:         "00000000"
    AddressAlign:    0x0000000000001000
ProgramHeaders:
  - Type: PT_LOAD
    Flags: [ PF_X, PF_R ]
    VAddr: 0xAAAA1000
    PAddr: 0xFFFF1000
    Sections:
      - Section: .text
      - Section: .init
  - Type: PT_LOAD
    Flags: [ PF_R ]
    VAddr: 0xAAAA2000
    PAddr: 0xFFFF2000
    Sections:
      - Section: .data
  - Type: PT_GNU_EH_FRAME
  - Type: PT_GNU_STACK
  - Type: PT_GNU_RELRO
  - Type: PT_GNU_PROPERTY

#CHECK:     ProgramHeaders [
#CHECK-NEXT:   ProgramHeader {
#CHECK-NEXT:    Type: PT_LOAD
#CHECK-NEXT:    Offset: 0x1000
#CHECK-NEXT:    VirtualAddress: 0xAAAA1000
#CHECK-NEXT:    PhysicalAddress: 0xFFFF1000
#CHECK-NEXT:    FileSize: 20
#CHECK-NEXT:    MemSize: 20
#CHECK-NEXT:    Flags [
#CHECK-NEXT:      PF_R
#CHECK-NEXT:      PF_X
#CHECK-NEXT:    ]
#CHECK-NEXT:    Alignment: 4096
#CHECK-NEXT:  }
#CHECK-NEXT:  ProgramHeader {
#CHECK-NEXT:    Type: PT_LOAD
#CHECK-NEXT:    Offset: 0x2000
#CHECK-NEXT:    VirtualAddress: 0xAAAA2000
#CHECK-NEXT:    PhysicalAddress: 0xFFFF2000
#CHECK-NEXT:    FileSize: 4
#CHECK-NEXT:    MemSize: 4
#CHECK-NEXT:    Flags [
#CHECK-NEXT:      PF_R
#CHECK-NEXT:    ]
#CHECK-NEXT:    Alignment: 4096
#CHECK-NEXT:  }
#CHECK-NEXT:  ProgramHeader {
#CHECK-NEXT:    Type: PT_GNU_EH_FRAME (0x6474E550)
#CHECK:       }
#CHECK-NEXT:  ProgramHeader {
#CHECK-NEXT:    Type: PT_GNU_STACK (0x6474E551)
#CHECK:       }
#CHECK-NEXT:  ProgramHeader {
#CHECK-NEXT:    Type: PT_GNU_RELRO (0x6474E552)
#CHECK:       }
#CHECK-NEXT:  ProgramHeader {
#CHECK-NEXT:    Type: PT_GNU_PROPERTY (0x6474E553)
#CHECK:       }
#CHECK-NEXT:]

## Check we do not allow referencing sections that do not exist.
# RUN: not yaml2obj --docnum=2 %s -o %t 2>&1 | FileCheck %s --check-prefix=ERR

# ERR: error: unknown section or fill referenced: '.foo' by program header
# ERR: error: unknown section or fill referenced: '.bar' by program header

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_EXEC
  Machine: EM_X86_64
ProgramHeaders:
  - Type: PT_LOAD
    Sections:
      - Section: .foo
      - Section: .bar