#15207: bad dwarf frame in stgRun.c when compiled with with gcc on mac and assembled by as/gcc/clang (aka apple clang assembler) -------------------------------------+------------------------------------- Reporter: carter | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.6.1 Component: Runtime System | Version: 8.4.3 Resolution: | Keywords: Operating System: MacOS X | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by carter): here you go {{{ .section __TEXT,__text,regular,pure_instructions .macosx_version_min 10, 13 .globl _hello ## -- Begin function hello .p2align 4, 0x90 _hello: ## @hello Lfunc_begin0: .file 1 "test.c" .loc 1 3 0 ## test.c:3:0 .cfi_startproc ## BB#0: pushq %rbp Lcfi0: .cfi_def_cfa_offset 16 Lcfi1: .cfi_offset %rbp, -16 movq %rsp, %rbp Lcfi2: .cfi_def_cfa_register %rbp subq $32, %rsp leaq L_.str(%rip), %rax movl $42, %esi movl $12, %edx movl %edi, -4(%rbp) movsd %xmm0, -16(%rbp) Ltmp0: .loc 1 4 5 prologue_end ## test.c:4:5 movq %rax, %rdi movb $0, %al callq _printf .loc 1 5 12 ## test.c:5:12 cvtsi2sdl -4(%rbp), %xmm0 .loc 1 5 13 is_stmt 0 ## test.c:5:13 mulsd -16(%rbp), %xmm0 .loc 1 5 12 ## test.c:5:12 cvttsd2si %xmm0, %edx .loc 1 5 5 ## test.c:5:5 movl %eax, -20(%rbp) ## 4-byte Spill movl %edx, %eax addq $32, %rsp popq %rbp retq Ltmp1: Lfunc_end0: .cfi_endproc ## -- End function .section __TEXT,__cstring,cstring_literals L_.str: ## @.str .asciz "hello %d %d" .section __DWARF,__debug_str,regular,debug Linfo_string: .asciz "Apple LLVM version 9.1.0 (clang-902.0.39.1)" ## string offset=0 .asciz "test.c" ## string offset=44 .asciz "/Users/carter/WorkSpace/projects/active/ghc-head-may2018 -clang-sad" ## string offset=51 .asciz "hello" ## string offset=118 .asciz "int" ## string offset=124 .asciz "a" ## string offset=128 .asciz "b" ## string offset=130 .asciz "double" ## string offset=132 .section __DWARF,__debug_abbrev,regular,debug Lsection_abbrev: .byte 1 ## Abbreviation Code .byte 17 ## DW_TAG_compile_unit .byte 1 ## DW_CHILDREN_yes .byte 37 ## DW_AT_producer .byte 14 ## DW_FORM_strp .byte 19 ## DW_AT_language .byte 5 ## DW_FORM_data2 .byte 3 ## DW_AT_name .byte 14 ## DW_FORM_strp .byte 16 ## DW_AT_stmt_list .byte 23 ## DW_FORM_sec_offset .byte 27 ## DW_AT_comp_dir .byte 14 ## DW_FORM_strp .byte 17 ## DW_AT_low_pc .byte 1 ## DW_FORM_addr .byte 18 ## DW_AT_high_pc .byte 6 ## DW_FORM_data4 .byte 0 ## EOM(1) .byte 0 ## EOM(2) .byte 2 ## Abbreviation Code .byte 46 ## DW_TAG_subprogram .byte 1 ## DW_CHILDREN_yes .byte 17 ## DW_AT_low_pc .byte 1 ## DW_FORM_addr .byte 18 ## DW_AT_high_pc .byte 6 ## DW_FORM_data4 .byte 64 ## DW_AT_frame_base .byte 24 ## DW_FORM_exprloc .byte 3 ## DW_AT_name .byte 14 ## DW_FORM_strp .byte 58 ## DW_AT_decl_file .byte 11 ## DW_FORM_data1 .byte 59 ## DW_AT_decl_line .byte 11 ## DW_FORM_data1 .byte 39 ## DW_AT_prototyped .byte 25 ## DW_FORM_flag_present .byte 73 ## DW_AT_type .byte 19 ## DW_FORM_ref4 .byte 63 ## DW_AT_external .byte 25 ## DW_FORM_flag_present .byte 0 ## EOM(1) .byte 0 ## EOM(2) .byte 3 ## Abbreviation Code .byte 5 ## DW_TAG_formal_parameter .byte 0 ## DW_CHILDREN_no .byte 2 ## DW_AT_location .byte 24 ## DW_FORM_exprloc .byte 3 ## DW_AT_name .byte 14 ## DW_FORM_strp .byte 58 ## DW_AT_decl_file .byte 11 ## DW_FORM_data1 .byte 59 ## DW_AT_decl_line .byte 11 ## DW_FORM_data1 .byte 73 ## DW_AT_type .byte 19 ## DW_FORM_ref4 .byte 0 ## EOM(1) .byte 0 ## EOM(2) .byte 4 ## Abbreviation Code .byte 36 ## DW_TAG_base_type .byte 0 ## DW_CHILDREN_no .byte 3 ## DW_AT_name .byte 14 ## DW_FORM_strp .byte 62 ## DW_AT_encoding .byte 11 ## DW_FORM_data1 .byte 11 ## DW_AT_byte_size .byte 11 ## DW_FORM_data1 .byte 0 ## EOM(1) .byte 0 ## EOM(2) .byte 0 ## EOM(3) .section __DWARF,__debug_info,regular,debug Lsection_info: Lcu_begin0: .long 107 ## Length of Unit .short 4 ## DWARF version number Lset0 = Lsection_abbrev-Lsection_abbrev ## Offset Into Abbrev. Section .long Lset0 .byte 8 ## Address Size (in bytes) .byte 1 ## Abbrev [1] 0xb:0x64 DW_TAG_compile_unit .long 0 ## DW_AT_producer .short 12 ## DW_AT_language .long 44 ## DW_AT_name Lset1 = Lline_table_start0-Lsection_line ## DW_AT_stmt_list .long Lset1 .long 51 ## DW_AT_comp_dir .quad Lfunc_begin0 ## DW_AT_low_pc Lset2 = Lfunc_end0-Lfunc_begin0 ## DW_AT_high_pc .long Lset2 .byte 2 ## Abbrev [2] 0x2a:0x36 DW_TAG_subprogram .quad Lfunc_begin0 ## DW_AT_low_pc Lset3 = Lfunc_end0-Lfunc_begin0 ## DW_AT_high_pc .long Lset3 .byte 1 ## DW_AT_frame_base .byte 86 .long 118 ## DW_AT_name .byte 1 ## DW_AT_decl_file .byte 3 ## DW_AT_decl_line ## DW_AT_prototyped .long 96 ## DW_AT_type ## DW_AT_external .byte 3 ## Abbrev [3] 0x43:0xe DW_TAG_formal_parameter .byte 2 ## DW_AT_location .byte 145 .byte 124 .long 128 ## DW_AT_name .byte 1 ## DW_AT_decl_file .byte 3 ## DW_AT_decl_line .long 96 ## DW_AT_type .byte 3 ## Abbrev [3] 0x51:0xe DW_TAG_formal_parameter .byte 2 ## DW_AT_location .byte 145 .byte 112 .long 130 ## DW_AT_name .byte 1 ## DW_AT_decl_file .byte 3 ## DW_AT_decl_line .long 103 ## DW_AT_type .byte 0 ## End Of Children Mark .byte 4 ## Abbrev [4] 0x60:0x7 DW_TAG_base_type .long 124 ## DW_AT_name .byte 5 ## DW_AT_encoding .byte 4 ## DW_AT_byte_size .byte 4 ## Abbrev [4] 0x67:0x7 DW_TAG_base_type .long 132 ## DW_AT_name .byte 4 ## DW_AT_encoding .byte 8 ## DW_AT_byte_size .byte 0 ## End Of Children Mark .section __DWARF,__debug_ranges,regular,debug Ldebug_range: .section __DWARF,__debug_macinfo,regular,debug Ldebug_macinfo: Lcu_macro_begin0: .byte 0 ## End Of Macro List Mark .section __DWARF,__apple_names,regular,debug Lnames_begin: .long 1212240712 ## Header Magic .short 1 ## Header Version .short 0 ## Header Hash Function .long 1 ## Header Bucket Count .long 1 ## Header Hash Count .long 12 ## Header Data Length .long 0 ## HeaderData Die Offset Base .long 1 ## HeaderData Atom Count .short 1 ## DW_ATOM_die_offset .short 6 ## DW_FORM_data4 .long 0 ## Bucket 0 .long 261238937 ## Hash in Bucket 0 .long LNames0-Lnames_begin ## Offset in Bucket 0 LNames0: .long 118 ## hello .long 1 ## Num DIEs .long 42 .long 0 .section __DWARF,__apple_objc,regular,debug Lobjc_begin: .long 1212240712 ## Header Magic .short 1 ## Header Version .short 0 ## Header Hash Function .long 1 ## Header Bucket Count .long 0 ## Header Hash Count .long 12 ## Header Data Length .long 0 ## HeaderData Die Offset Base .long 1 ## HeaderData Atom Count .short 1 ## DW_ATOM_die_offset .short 6 ## DW_FORM_data4 .long -1 ## Bucket 0 .section __DWARF,__apple_namespac,regular,debug Lnamespac_begin: .long 1212240712 ## Header Magic .short 1 ## Header Version .short 0 ## Header Hash Function .long 1 ## Header Bucket Count .long 0 ## Header Hash Count .long 12 ## Header Data Length .long 0 ## HeaderData Die Offset Base .long 1 ## HeaderData Atom Count .short 1 ## DW_ATOM_die_offset .short 6 ## DW_FORM_data4 .long -1 ## Bucket 0 .section __DWARF,__apple_types,regular,debug Ltypes_begin: .long 1212240712 ## Header Magic .short 1 ## Header Version .short 0 ## Header Hash Function .long 2 ## Header Bucket Count .long 2 ## Header Hash Count .long 20 ## Header Data Length .long 0 ## HeaderData Die Offset Base .long 3 ## HeaderData Atom Count .short 1 ## DW_ATOM_die_offset .short 6 ## DW_FORM_data4 .short 3 ## DW_ATOM_die_tag .short 5 ## DW_FORM_data2 .short 4 ## DW_ATOM_type_flags .short 11 ## DW_FORM_data1 .long 0 ## Bucket 0 .long -1 ## Bucket 1 .long 193495088 ## Hash in Bucket 0 .long -113419488 ## Hash in Bucket 0 .long Ltypes0-Ltypes_begin ## Offset in Bucket 0 .long Ltypes1-Ltypes_begin ## Offset in Bucket 0 Ltypes0: .long 124 ## int .long 1 ## Num DIEs .long 96 .short 36 .byte 0 .long 0 Ltypes1: .long 132 ## double .long 1 ## Num DIEs .long 103 .short 36 .byte 0 .long 0 .subsections_via_symbols .section __DWARF,__debug_line,regular,debug Lsection_line: Lline_table_start0: }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15207#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler