| # An example of a function which has been split into two parts. Roughly | |
| # corresponds to this C code. | |
| # int baz(); | |
| # int bar() { return 47; } | |
| # int foo(int flag) { return flag ? bar() : baz(); } | |
| # The function bar has been placed "in the middle" of foo, and the function | |
| # entry point is deliberately not its lowest address. | |
| # RUN: split-file %s %t | |
| # RUN: llvm-mc -triple x86_64-pc-linux -filetype=obj %t/input.s -o %t/input.o | |
| # RUN: %lldb %t/input.o -s %t/commands -o exit | FileCheck %s | |
| #--- commands | |
| image lookup -v -n foo | |
| # CHECK-LABEL: image lookup -v -n foo | |
| # CHECK: 1 match found in {{.*}} | |
| # CHECK: Summary: input.o`foo | |
| # CHECK: Function: id = {{.*}}, name = "foo", ranges = [0x0000000000000000-0x000000000000000f)[0x0000000000000015-0x000000000000001d) | |
| image lookup -v --regex -n '^foo$' | |
| # CHECK-LABEL: image lookup -v --regex -n '^foo$' | |
| # CHECK: 1 match found in {{.*}} | |
| # CHECK: Summary: input.o`foo | |
| # CHECK: Function: id = {{.*}}, name = "foo", ranges = [0x0000000000000000-0x000000000000000f)[0x0000000000000015-0x000000000000001d) | |
| expr -- &foo | |
| # CHECK-LABEL: expr -- &foo | |
| # CHECK: (void (*)()) $0 = 0x0000000000000007 | |
| breakpoint set --name foo --skip-prologue false | |
| # CHECK-LABEL: breakpoint set --name foo --skip-prologue false | |
| # CHECK: Breakpoint 1: where = input.o`foo at -:1, address = 0x0000000000000007 | |
| breakpoint set --name foo --skip-prologue true | |
| # CHECK-LABEL: breakpoint set --name foo --skip-prologue true | |
| # CHECK: Breakpoint 2: where = input.o`foo + 1 at -:2, address = 0x0000000000000008 | |
| #--- input.s | |
| .text | |
| .file 0 "." "-" | |
| foo.__part.1: | |
| .loc 0 10 | |
| .cfi_startproc | |
| callq bar | |
| jmp foo.__part.3 | |
| .Lfoo.__part.1_end: | |
| .size foo.__part.1, .Lfoo.__part.1_end-foo.__part.1 | |
| .cfi_endproc | |
| .type foo,@function | |
| foo: | |
| .loc 0 1 | |
| .cfi_startproc | |
| nop | |
| .loc 0 2 prologue_end | |
| cmpl $0, %edi | |
| je foo.__part.2 | |
| jmp foo.__part.1 | |
| .cfi_endproc | |
| .Lfoo_end: | |
| .size foo, .Lfoo_end-foo | |
| bar: | |
| .cfi_startproc | |
| .loc 0 100 | |
| movl $47, %eax | |
| retq | |
| .cfi_endproc | |
| .Lbar_end: | |
| .size bar, .Lbar_end-bar | |
| foo.__part.2: | |
| .loc 0 20 | |
| .cfi_startproc | |
| callq baz | |
| jmp foo.__part.3 | |
| .Lfoo.__part.2_end: | |
| .size foo.__part.2, .Lfoo.__part.2_end-foo.__part.2 | |
| .cfi_endproc | |
| foo.__part.3: | |
| .loc 0 30 | |
| .cfi_startproc | |
| retq | |
| .Lfoo.__part.3_end: | |
| .size foo.__part.3, .Lfoo.__part.3_end-foo.__part.3 | |
| .cfi_endproc | |
| .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 35 # DW_FORM_rnglistx | |
| .byte 116 # DW_AT_rnglists_base | |
| .byte 23 # DW_FORM_sec_offset | |
| .byte 16 # DW_AT_stmt_list | |
| .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 17 # DW_AT_low_pc | |
| .byte 1 # DW_FORM_addr | |
| .byte 18 # DW_AT_high_pc | |
| .byte 1 # DW_FORM_addr | |
| .byte 3 # DW_AT_name | |
| .byte 8 # DW_FORM_string | |
| .byte 0 # EOM(1) | |
| .byte 0 # EOM(2) | |
| .byte 3 # Abbreviation Code | |
| .byte 46 # DW_TAG_subprogram | |
| .byte 0 # DW_CHILDREN_no | |
| .byte 85 # DW_AT_ranges | |
| .byte 35 # DW_FORM_rnglistx | |
| .byte 64 # DW_AT_frame_base | |
| .byte 24 # DW_FORM_exprloc | |
| .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 [1] DW_TAG_compile_unit | |
| .asciz "Hand-written DWARF" # DW_AT_producer | |
| .short 29 # DW_AT_language | |
| .quad 0 # DW_AT_low_pc | |
| .byte 1 # DW_AT_ranges | |
| .long .Lrnglists_table_base0 # DW_AT_rnglists_base | |
| .long .Lline_table_start0 # DW_AT_stmt_list | |
| .byte 2 # Abbrev [2] DW_TAG_subprogram | |
| .quad bar # DW_AT_low_pc | |
| .quad .Lbar_end # DW_AT_high_pc | |
| .asciz "bar" # DW_AT_name | |
| .byte 3 # Abbrev [3] DW_TAG_subprogram | |
| .byte 0 # DW_AT_ranges | |
| .byte 1 # DW_AT_frame_base | |
| .byte 86 | |
| .asciz "foo" # 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 2 # Offset entry count | |
| .Lrnglists_table_base0: | |
| .long .Ldebug_ranges0-.Lrnglists_table_base0 | |
| .long .Ldebug_ranges1-.Lrnglists_table_base0 | |
| .Ldebug_ranges0: | |
| .byte 6 # DW_RLE_start_end | |
| .quad foo | |
| .quad .Lfoo_end | |
| .byte 6 # DW_RLE_start_end | |
| .quad foo.__part.1 | |
| .quad .Lfoo.__part.1_end | |
| .byte 6 # DW_RLE_start_end | |
| .quad foo.__part.2 | |
| .quad .Lfoo.__part.2_end | |
| .byte 6 # DW_RLE_start_end | |
| .quad foo.__part.3 | |
| .quad .Lfoo.__part.3_end | |
| .byte 0 # DW_RLE_end_of_list | |
| .Ldebug_ranges1: | |
| .byte 6 # DW_RLE_start_end | |
| .quad bar | |
| .quad .Lbar_end | |
| .byte 6 # DW_RLE_start_end | |
| .quad foo.__part.1 | |
| .quad .Lfoo.__part.1_end | |
| .byte 6 # DW_RLE_start_end | |
| .quad foo.__part.2 | |
| .quad .Lfoo.__part.2_end | |
| .byte 6 # DW_RLE_start_end | |
| .quad foo.__part.3 | |
| .quad .Lfoo.__part.3_end | |
| .byte 6 # DW_RLE_start_end | |
| .quad foo | |
| .quad .Lfoo_end | |
| .byte 0 # DW_RLE_end_of_list | |
| .Ldebug_list_header_end0: | |
| .section ".note.GNU-stack","",@progbits | |
| .section .debug_line,"",@progbits | |
| .Lline_table_start0: |