62 lines · plain
1# This test verifies that an empty range list in the .debug_ranges section2# doesn't crash dsymutil. As clang does not produce this kind of debug3# info anymore, we used this hand-crafted assembly file to produce a testcase4# Compile with:5# llvm-mc -triple x86_64-apple-darwin -filetype=obj -o 1.o empty_range.o6 7# RUN: dsymutil -f -y %p/dummy-debug-map.map -oso-prepend-path %p/../Inputs/empty_range -o - | llvm-dwarfdump -debug-info - | FileCheck %s8 9 .section __TEXT,__text,regular,pure_instructions10 .macosx_version_min 10, 1111 .globl __Z3foov12 .align 4, 0x9013__Z3foov: ## @_Z3foov14Lfunc_begin0:15 pushq %rbp16 movq %rsp, %rbp17 popq %rbp18 retq19Lfunc_end0:20 .section __DWARF,__debug_abbrev,regular,debug21Lsection_abbrev:22 .byte 1 ## Abbreviation Code23 .byte 17 ## DW_TAG_compile_unit24 .byte 1 ## DW_CHILDREN_yes25 .byte 0 ## EOM(1)26 .byte 0 ## EOM(2)27 .byte 2 ## Abbreviation Code28 .byte 46 ## DW_TAG_subprogram29 .byte 0 ## DW_CHILDREN_no30 .byte 17 ## DW_AT_low_pc31 .byte 1 ## DW_FORM_addr32 .byte 0x55 ## DW_AT_ranges33 .byte 6 ## DW_FORM_data434 .byte 0 ## EOM(1)35 .byte 0 ## EOM(2)36 .byte 0 ## EOM(3)37 .section __DWARF,__debug_info,regular,debug38Lsection_info:39 .long 22 ## Length of Unit40 .short 2 ## DWARF version number41 .long 0 ## Offset Into Abbrev. Section42 .byte 8 ## Address Size (in bytes)43 .byte 1 ## Abbrev [1] DW_TAG_compile_unit44 .byte 2 ## Abbrev [2] DW_TAG_subprogram45 .quad Lfunc_begin0 ## DW_AT_low_pc46 .long 0 ## DW_AT_ranges (pointing at an empty entry)47 .byte 0 ## End Of Children Mark48 .section __DWARF,__debug_ranges,regular,debug49Ldebug_range:50 .long 051 .long 052 53# CHECK: DW_TAG_compile_unit54# CHECK: DW_TAG_subprogram55# CHECK-NEXT: DW_AT_low_pc{{.*}}(0x0000000000010000)56# CHECK-NEXT: DW_AT_ranges{{.*}}(0x00000000)57 58# There was a bug that would use the currently active object file when a59# debug map object isn't found. Check that we only linked one file.60# CHECK-NOT: DW_TAG_compile_unit61 62