xref: /llvm-project/llvm/test/tools/yaml2obj/ELF/program-header.yaml (revision a7a447be0fa934505f0c423fb97b91a68c1cc715)

# RUN: yaml2obj --docnum=1 %s -o %t
# RUN: llvm-readobj -l %t | FileCheck %s

--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data:  ELFDATA2LSB
  Type:  ET_EXEC
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
    FirstSec: .text
    LastSec:  .init
  - Type:     PT_LOAD
    Flags:    [ PF_R ]
    VAddr:    0xAAAA2000
    PAddr:    0xFFFF2000
    FirstSec: .data
    LastSec:  .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 -DFIRST=".unknown1" -DLAST=".unknown2" --docnum=2 %s 2>&1 | \
# RUN:   FileCheck %s --check-prefix=UNKNOWN-ERR

# UNKNOWN-ERR: error: unknown section or fill referenced: '.unknown1' by the 'FirstSec' key of the program header with index 0
# UNKNOWN-ERR: error: unknown section or fill referenced: '.unknown2' by the 'LastSec' key of the program header with index 0

--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data:  ELFDATA2LSB
  Type:  ET_EXEC
Sections:
  - Name:   .foo
    Type:   SHT_PROGBITS
    Offset: 0x100
    Size:   0x10
  - Name:   .bar
    Type:   SHT_PROGBITS
    Offset: 0x200
    Size:   0x20
  - Name:   .zed
    Type:   SHT_PROGBITS
    Offset: 0x300
    Size:   0x30
  - Name:   .fill1
    Type:   Fill
    Offset: 0x400
    Size:   0x40
  - Name:   .fill2
    Type:   Fill
    Offset: 0x500
    Size:   0x50
ProgramHeaders:
  - Type:     PT_LOAD
    FirstSec: [[FIRST=<none>]]
    LastSec:  [[LAST=<none>]]

## Check we report an error when the index of the section specified by the "FirstSec" key
## is greater than the index of the section specified by the "LastSec" key.

# RUN: not yaml2obj -DFIRST=".bar" -DLAST=".foo" --docnum=2 %s 2>&1 | \
# RUN:   FileCheck %s --check-prefix=ORDER-ERR

# ORDER-ERR: error: program header with index 0: the section index of .bar is greater than the index of .foo

## Check that we can't use the "LastSec" key without the "FirstSec" key.

# RUN: not yaml2obj -DLAST=".foo" --docnum=2 %s 2>&1 | \
# RUN:   FileCheck %s --check-prefix=ONLY-LAST-ERR

# ONLY-LAST-ERR: error: the "LastSec" key can't be used without the "FirstSec" key

## Check that we can't use the "FirstSec" key without the "LastSec" key.

# RUN: not yaml2obj -DFIRST=".foo" --docnum=2 %s 2>&1 | \
# RUN:   FileCheck %s --check-prefix=ONLY-FIRST-ERR

# ONLY-FIRST-ERR: error: the "FirstSec" key can't be used without the "LastSec" key

## Check we create an empty segment when neither "FirstSec" nor "LastSec" are specified.

# RUN: yaml2obj --docnum=2 %s -o %t3
# RUN: llvm-readelf --program-headers %t3 | FileCheck %s --check-prefix=EMPTY-SEGMENT

# EMPTY-SEGMENT:       Type Offset   VirtAddr           PhysAddr           FileSiz  MemSiz
# EMPTY-SEGMENT:       LOAD 0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000
# EMPTY-SEGMENT-EMPTY:

## Check that we include all sections between FirstSec and LastSec in the segment when both keys are used.

# RUN: yaml2obj --docnum=2 -DFIRST=".foo" -DLAST=".zed" %s -o %t4
# RUN: llvm-readelf --program-headers %t4 | FileCheck %s --check-prefix=BOTH

# BOTH:      Type Offset   VirtAddr           PhysAddr           FileSiz  MemSiz
# BOTH-NEXT: LOAD 0x000100 0x0000000000000000 0x0000000000000000 0x000230 0x000230

## Check that we include fills that are between FirstSec and LastSec in the segment when both keys are used.

# RUN: yaml2obj --docnum=2 -DFIRST=".foo" -DLAST=".fill1" %s -o %t5a
# RUN: llvm-readelf --program-headers %t5a | FileCheck %s --check-prefix=FILL1

# FILL1: Type Offset   VirtAddr           PhysAddr           FileSiz  MemSiz
# FILL1: LOAD 0x000100 0x0000000000000000 0x0000000000000000 0x000340 0x000340

# RUN: yaml2obj --docnum=2 -DFIRST=".foo" -DLAST=".fill2" %s -o %t5b
# RUN: llvm-readelf --program-headers %t5b | FileCheck %s --check-prefix=FILL2

# FILL2: Type Offset   VirtAddr           PhysAddr           FileSiz  MemSiz
# FILL2: LOAD 0x000100 0x0000000000000000 0x0000000000000000 0x000450 0x000450