change-entry-point.test | Explore in Territory

# RUN: yaml2obj %s -o %t

# Test --set-start.
# RUN: llvm-objcopy --set-start 0x1000 %t %t2
# RUN: llvm-readobj --file-headers %t2 | FileCheck %s --check-prefix=SET
# RUN: llvm-objcopy --set-start 4096 %t %t3
# RUN: cmp %t2 %t3
# RUN: llvm-objcopy --set-start 0x100000000 %t %t4
# RUN: llvm-readobj --file-headers %t4 | FileCheck %s --check-prefix=SET-LARGE
# RUN: not llvm-objcopy --set-start -123 %t %t5 2>&1 | FileCheck %s --check-prefix=SET-ERR

# Test --change-start.
# RUN: llvm-objcopy --change-start 0x50 %t %t6
# RUN: llvm-readobj --file-headers %t6 | FileCheck %s --check-prefix=ADD
# RUN: llvm-objcopy --change-start 0x100000000 %t %t7
# RUN: llvm-readobj --file-headers %t7 | FileCheck %s --check-prefix=ADD-LARGE
# RUN: llvm-objcopy --change-start -128 %t %t8
# RUN: llvm-readobj --file-headers %t8 | FileCheck %s --check-prefix=SUB
# RUN: llvm-objcopy --change-start -4353 %t %t9
# RUN: llvm-readobj --file-headers %t9 | FileCheck %s --check-prefix=ADD-UNDERFLOW
# RUN: llvm-objcopy --change-start -0x1101 %t %t10
# RUN: cmp %t9 %t10
# RUN: not llvm-objcopy --change-start -xyz %t %t11 2>&1 | FileCheck %s --check-prefix=ADD-ERR

# Test --change-start after --set-start. Result should be 0x1150.
# RUN: llvm-objcopy --set-start 0x1000 --change-start 0x100 --change-start 0x50 %t %t12
# RUN: cmp %t6 %t12

# If --set-start is after --change-start then --change-start has no effect.
# RUN: llvm-objcopy --change-start 0x150 --set-start 0x1000 %t %t13
# RUN: cmp %t2 %t13

# --adjust-start is an alias for --change-start.
# RUN: llvm-objcopy --adjust-start -0x1101 %t %t14
# RUN: cmp %t10 %t14

!ELF
FileHeader:
  Class:           ELFCLASS64
  Data:            ELFDATA2LSB
  Type:            ET_EXEC
  Machine:         EM_X86_64
  Entry:           0x1100
Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    Address:         0x1000
    AddressAlign:    0x0000000000001000
    Size:            0x200

# SET: Entry: 0x1000
# ADD: Entry: 0x1150
# SUB: Entry: 0x1080
# SET-ERR: error: bad entry point address: '-123'
# SET-LARGE: Entry: 0x100000000
# ADD-LARGE: Entry: 0x100001100
# ADD-ERR: error: bad entry point increment: '-xyz'
# ADD-UNDERFLOW: Entry: 0xFFFFFFFFFFFFFFFF
llvm/llvm/test/tools/llvm-objcopy/ELF/change-entry-point.test
