# RUN: echo -n abcd > %t.x-txt # Preserve input to verify it is not modified # RUN: cp %t.x-txt %t-copy.txt # RUN: llvm-objcopy -I binary -O elf64-x86-64 %t.x-txt %t.o # RUN: llvm-readobj --sections --symbols %t.o | FileCheck %s # RUN: cmp %t.x-txt %t-copy.txt # CHECK: Sections [ # CHECK-NEXT: Section { # CHECK-NEXT: Index: 0 # CHECK-NEXT: Name: (0) # CHECK-NEXT: Type: SHT_NULL (0x0) # CHECK-NEXT: Flags [ (0x0) # CHECK-NEXT: ] # CHECK-NEXT: Address: 0x0 # CHECK-NEXT: Offset: # CHECK-NEXT: Size: # CHECK-NEXT: Link: 0 # CHECK-NEXT: Info: 0 # CHECK-NEXT: AddressAlignment: 0 # CHECK-NEXT: EntrySize: 0 # CHECK-NEXT: } # CHECK-NEXT: Section { # CHECK-NEXT: Index: 1 # CHECK-NEXT: Name: .strtab # CHECK-NEXT: Type: SHT_STRTAB (0x3) # CHECK-NEXT: Flags [ (0x0) # CHECK-NEXT: ] # CHECK-NEXT: Address: 0x0 # CHECK-NEXT: Offset: # CHECK-NEXT: Size: # CHECK-NEXT: Link: 0 # CHECK-NEXT: Info: 0 # CHECK-NEXT: AddressAlignment: 1 # CHECK-NEXT: EntrySize: 0 # CHECK-NEXT: } # CHECK-NEXT: Section { # CHECK-NEXT: Index: 2 # CHECK-NEXT: Name: .symtab # CHECK-NEXT: Type: SHT_SYMTAB (0x2) # CHECK-NEXT: Flags [ (0x0) # CHECK-NEXT: ] # CHECK-NEXT: Address: 0x0 # CHECK-NEXT: Offset: # CHECK-NEXT: Size: # CHECK-NEXT: Link: 1 # CHECK-NEXT: Info: 1 # CHECK-NEXT: AddressAlignment: 8 # CHECK-NEXT: EntrySize: 24 # CHECK-NEXT: } # CHECK-NEXT: Section { # CHECK-NEXT: Index: 3 # CHECK-NEXT: Name: .data # CHECK-NEXT: Type: SHT_PROGBITS (0x1) # CHECK-NEXT: Flags [ (0x3) # CHECK-NEXT: SHF_ALLOC (0x2) # CHECK-NEXT: SHF_WRITE (0x1) # CHECK-NEXT: ] # CHECK-NEXT: Address: 0x0 # CHECK-NEXT: Offset: # CHECK-NEXT: Size: 4 # CHECK-NEXT: Link: 0 # CHECK-NEXT: Info: 0 # CHECK-NEXT: AddressAlignment: 1 # CHECK-NEXT: EntrySize: 0 # CHECK-NEXT: } # CHECK-NEXT: ] # Note: the symbol names are derived from the full path (with non-alnum values # replaced with "_"), e.g. "/tmp/a-b.c" should yield # _binary__tmp_a_b_c_{start,end,size}. # Just check for _binary_{{[_a-zA-Z0-9]*}}_x_txt_{start,end,size} to avoid # making assumptions about how this test is run. # CHECK: Symbols [ # CHECK-NEXT: Symbol { # CHECK-NEXT: Name: # CHECK-NEXT: Value: 0x0 # CHECK-NEXT: Size: 0 # CHECK-NEXT: Binding: Local (0x0) # CHECK-NEXT: Type: None (0x0) # CHECK-NEXT: Other: 0 # CHECK-NEXT: Section: Undefined (0x0) # CHECK-NEXT: } # CHECK-NEXT: Symbol { # CHECK-NEXT: Name: _binary_{{[_a-zA-Z0-9]*}}_x_txt_start # CHECK-NEXT: Value: 0x0 # CHECK-NEXT: Size: 0 # CHECK-NEXT: Binding: Global (0x1) # CHECK-NEXT: Type: None (0x0) # CHECK-NEXT: Other: 0 # CHECK-NEXT: Section: .data # CHECK-NEXT: } # CHECK-NEXT: Symbol { # CHECK-NEXT: Name: _binary_{{[_a-zA-Z0-9]*}}_x_txt_end # CHECK-NEXT: Value: 0x4 # CHECK-NEXT: Size: 0 # CHECK-NEXT: Binding: Global (0x1) # CHECK-NEXT: Type: None (0x0) # CHECK-NEXT: Other: 0 # CHECK-NEXT: Section: .data # CHECK-NEXT: } # CHECK-NEXT: Symbol { # CHECK-NEXT: Name: _binary_{{[_a-zA-Z0-9]*}}_x_txt_size # CHECK-NEXT: Value: 0x4 # CHECK-NEXT: Size: 0 # CHECK-NEXT: Binding: Global (0x1) # CHECK-NEXT: Type: None (0x0) # CHECK-NEXT: Other: 0 # CHECK-NEXT: Section: Absolute # CHECK-NEXT: } # CHECK-NEXT: ] ## The alignment can be changed by --set-section-alignment. # RUN: llvm-objcopy -I binary -O elf64-x86-64 --set-section-alignment .data=8 %t.x-txt %t2.o # RUN: llvm-readobj --sections %t2.o | FileCheck --check-prefix=ALIGN %s # ALIGN: Name: .data # ALIGN: AddressAlignment: # ALIGN-SAME: 8{{$}}