## Test disassembling of functions which are spread over multiple sections (ELF ## segments are modelled as LLDB sections). # REQUIRES: x86, lld # RUN: split-file %s %t # RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux %t/file.s -o %t/file.o # RUN: ld.lld %t/file.o -o %t/file.out -T %t/file.lds # RUN: %lldb %t/file.out -o "disassemble --name func1" -o exit | FileCheck %s # CHECK: (lldb) disassemble --name func1 # CHECK: file.out`func1: # CHECK-NEXT: file.out[0x0] <+0>: int $0x2a # CHECK: file.out`func1: # CHECK-NEXT: file.out[0x1000] <+4096>: int $0x2f #--- file.lds ## Linker script placing the parts of the section into different segments ## (typically one of these would be for the "hot" code). PHDRS { text1 PT_LOAD; text2 PT_LOAD; } SECTIONS { . = 0; .text.part1 : { *(.text.part1) } :text1 .text.part2 : { *(.text.part2) } :text2 } #--- file.s ## A very simple function consisting of two parts and DWARF describing the ## function. .section .text.part1,"ax",@progbits .p2align 12 func1: int $42 .Lfunc1_end: .section .text.part2,"ax",@progbits .p2align 12 func1.__part.1: int $47 .Lfunc1.__part.1_end: .section .debug_abbrev,"",@progbits .byte 1 # Abbreviation Code .byte 17 # DW_TAG_compile_unit .byte 1 # DW_CHILDREN_yes .byte 37 # DW_AT_producer .byte 8 # DW_FORM_string .byte 19 # DW_AT_language .byte 5 # DW_FORM_data2 .byte 17 # DW_AT_low_pc .byte 1 # DW_FORM_addr .byte 85 # DW_AT_ranges .byte 23 # DW_FORM_sec_offset .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 2 # Abbreviation Code .byte 46 # DW_TAG_subprogram .byte 0 # DW_CHILDREN_no .byte 85 # DW_AT_ranges .byte 23 # DW_FORM_sec_offset .byte 3 # DW_AT_name .byte 8 # DW_FORM_string .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 0 # EOM(3) .section .debug_info,"",@progbits .Lcu_begin0: .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit .Ldebug_info_start0: .short 5 # DWARF version number .byte 1 # DWARF Unit Type .byte 8 # Address Size (in bytes) .long .debug_abbrev # Offset Into Abbrev. Section .byte 1 # Abbrev DW_TAG_compile_unit .asciz "Hand-written DWARF" # DW_AT_producer .short 29 # DW_AT_language .quad 0 # DW_AT_low_pc .long .Ldebug_ranges0 # DW_AT_ranges .byte 2 # Abbrev DW_TAG_subprogram .long .Ldebug_ranges0 # DW_AT_ranges .asciz "func1" # DW_AT_name .byte 0 # End Of Children Mark .Ldebug_info_end0: .section .debug_rnglists,"",@progbits .long .Ldebug_list_header_end0-.Ldebug_list_header_start0 # Length .Ldebug_list_header_start0: .short 5 # Version .byte 8 # Address size .byte 0 # Segment selector size .long 1 # Offset entry count .Lrnglists_table_base0: .long .Ldebug_ranges0-.Lrnglists_table_base0 .Ldebug_ranges0: .byte 6 # DW_RLE_start_end .quad func1 .quad .Lfunc1_end .byte 6 # DW_RLE_start_end .quad func1.__part.1 .quad .Lfunc1.__part.1_end .byte 0 # DW_RLE_end_of_list .Ldebug_list_header_end0: