# REQUIRES: x86-registered-target # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o # RUN: llvm-symbolizer --obj=%t.o 0x30 0x20 0x6c 0xf | FileCheck %s # CHECK: main # CHECK-NEXT: llvm-symbolizer-bbsections-test.c:13 # CHECK: g # CHECK-NEXT: llvm-symbolizer-bbsections-test.c:5 # CHECK: main # CHECK-NEXT: llvm-symbolizer-bbsections-test.c:15 # CHECK: main # CHECK-NEXT: llvm-symbolizer-bbsections-test.c:18 # How to generate this file: # int f(int a) { # return a + 1; # } # # int g(int a) { # return a + 2; # } # # int h(int a) { # return a + 3; # } # # // Use simple control flow to generate lots of basic block sections. # int main(int argc, char *argv[]) { # if (argc > 10) # return f(argc); # else if (argc > 8) # return g(argc); # else if (argc > 4) # return h(argc); # return 0; # } # # $ clang -S -fbasic-block-sections=all llvm-symbolizer-bbsections-test.cc # Manually reororder the sections to place them in this order: # _Z1fi # main.__part.4 # _Z1gi # main # _Z1hi # main.__part.5 # (rest) # Strip the .section .text directives to have all the functions in the same # section. # This ensures the basic blocks are reordered non-contiguous exactly like # how a linker would do it. .text .file "llvm-symbolizer-bbsections-test.c" #.section .text._Z1fi,"ax",@progbits .globl _Z1fi # -- Begin function _Z1fi .p2align 4, 0x90 .type _Z1fi,@function _Z1fi: # @_Z1fi .Lfunc_begin0: .file 1 "Examples" "llvm-symbolizer-bbsections-test.c" .loc 1 1 0 # llvm-symbolizer-bbsections-test.c:1:0 .cfi_startproc # %bb.0: pushq %rbp .cfi_def_cfa_offset 16 .cfi_offset %rbp, -16 movq %rsp, %rbp .cfi_def_cfa_register %rbp movl %edi, -4(%rbp) .Ltmp0: .loc 1 2 10 prologue_end # llvm-symbolizer-bbsections-test.c:2:10 movl -4(%rbp), %eax .loc 1 2 12 is_stmt 0 # llvm-symbolizer-bbsections-test.c:2:12 addl $1, %eax .loc 1 2 3 # llvm-symbolizer-bbsections-test.c:2:3 popq %rbp .cfi_def_cfa %rsp, 8 retq .Ltmp1: .cfi_endproc .Lfunc_end0: .size _Z1fi, .Lfunc_end0-_Z1fi # -- End function #.section text.main,"ax",@progbits,unique,4 main.__part.4: .cfi_startproc .cfi_def_cfa %rbp, 16 .cfi_offset %rbp, -16 .loc 1 18 17 is_stmt 1 # llvm-symbolizer-bbsections-test.c:18:17 cmpl $4, -8(%rbp) .Ltmp9: .loc 1 18 12 is_stmt 0 # llvm-symbolizer-bbsections-test.c:18:12 jle main.__part.6 jmp main.__part.5 .LBB_END3_4: .size main.__part.4, .LBB_END3_4-main.__part.4 .cfi_endproc #.section .text._Z1gi,"ax",@progbits .globl _Z1gi # -- Begin function _Z1gi .p2align 4, 0x90 .type _Z1gi,@function _Z1gi: # @_Z1gi .Lfunc_begin1: .loc 1 5 0 is_stmt 1 # llvm-symbolizer-bbsections-test.c:5:0 .cfi_startproc # %bb.0: pushq %rbp .cfi_def_cfa_offset 16 .cfi_offset %rbp, -16 movq %rsp, %rbp .cfi_def_cfa_register %rbp movl %edi, -4(%rbp) .Ltmp2: .loc 1 6 10 prologue_end # llvm-symbolizer-bbsections-test.c:6:10 movl -4(%rbp), %eax .loc 1 6 12 is_stmt 0 # llvm-symbolizer-bbsections-test.c:6:12 addl $2, %eax .loc 1 6 3 # llvm-symbolizer-bbsections-test.c:6:3 popq %rbp .cfi_def_cfa %rsp, 8 retq .Ltmp3: .cfi_endproc .Lfunc_end1: .size _Z1gi, .Lfunc_end1-_Z1gi # -- End function #.section .text.main,"ax",@progbits .globl main # -- Begin function main .p2align 4, 0x90 .type main,@function main: # @main .Lfunc_begin3: .loc 1 13 0 is_stmt 1 # llvm-symbolizer-bbsections-test.c:13:0 .cfi_startproc # %bb.0: pushq %rbp .cfi_def_cfa_offset 16 .cfi_offset %rbp, -16 movq %rsp, %rbp .cfi_def_cfa_register %rbp subq $16, %rsp movl $0, -4(%rbp) movl %edi, -8(%rbp) movq %rsi, -16(%rbp) .Ltmp6: .loc 1 14 12 prologue_end # llvm-symbolizer-bbsections-test.c:14:12 cmpl $10, -8(%rbp) .Ltmp7: .loc 1 14 7 is_stmt 0 # llvm-symbolizer-bbsections-test.c:14:7 jle main.__part.2 jmp main.__part.1 .cfi_endproc #.section .text._Z1hi,"ax",@progbits .globl _Z1hi # -- Begin function _Z1hi .p2align 4, 0x90 .type _Z1hi,@function _Z1hi: # @_Z1hi .Lfunc_begin2: .loc 1 9 0 is_stmt 1 # llvm-symbolizer-bbsections-test.c:9:0 .cfi_startproc # %bb.0: pushq %rbp .cfi_def_cfa_offset 16 .cfi_offset %rbp, -16 movq %rsp, %rbp .cfi_def_cfa_register %rbp movl %edi, -4(%rbp) .Ltmp4: .loc 1 10 10 prologue_end # llvm-symbolizer-bbsections-test.c:10:10 movl -4(%rbp), %eax .loc 1 10 12 is_stmt 0 # llvm-symbolizer-bbsections-test.c:10:12 addl $3, %eax .loc 1 10 3 # llvm-symbolizer-bbsections-test.c:10:3 popq %rbp .cfi_def_cfa %rsp, 8 retq .Ltmp5: .cfi_endproc .Lfunc_end2: .size _Z1hi, .Lfunc_end2-_Z1hi # -- End function #.section .text.main,"ax",@progbits,unique,5 main.__part.5: .cfi_startproc .cfi_def_cfa %rbp, 16 .cfi_offset %rbp, -16 .loc 1 19 14 is_stmt 1 # llvm-symbolizer-bbsections-test.c:19:14 movl -8(%rbp), %edi .loc 1 19 12 is_stmt 0 # llvm-symbolizer-bbsections-test.c:19:12 callq _Z1hi .loc 1 19 5 # llvm-symbolizer-bbsections-test.c:19:5 movl %eax, -4(%rbp) jmp main.__part.9 .Ltmp10: .LBB_END3_5: .size main.__part.5, .LBB_END3_5-main.__part.5 .cfi_endproc #.section .text.main,"ax",@progbits,unique,1 main.__part.1: .cfi_startproc .cfi_def_cfa %rbp, 16 .cfi_offset %rbp, -16 .loc 1 15 14 is_stmt 1 # llvm-symbolizer-bbsections-test.c:15:14 movl -8(%rbp), %edi .loc 1 15 12 is_stmt 0 # llvm-symbolizer-bbsections-test.c:15:12 callq _Z1fi .loc 1 15 5 # llvm-symbolizer-bbsections-test.c:15:5 movl %eax, -4(%rbp) jmp main.__part.9 .LBB_END3_1: .size main.__part.1, .LBB_END3_1-main.__part.1 .cfi_endproc #.section .text.main,"ax",@progbits,unique,2 main.__part.2: .cfi_startproc .cfi_def_cfa %rbp, 16 .cfi_offset %rbp, -16 .loc 1 16 17 is_stmt 1 # llvm-symbolizer-bbsections-test.c:16:17 cmpl $8, -8(%rbp) .Ltmp8: .loc 1 16 12 is_stmt 0 # llvm-symbolizer-bbsections-test.c:16:12 jle main.__part.4 jmp main.__part.3 .LBB_END3_2: .size main.__part.2, .LBB_END3_2-main.__part.2 .cfi_endproc #.section .text.main,"ax",@progbits,unique,3 main.__part.3: .cfi_startproc .cfi_def_cfa %rbp, 16 .cfi_offset %rbp, -16 .loc 1 17 14 is_stmt 1 # llvm-symbolizer-bbsections-test.c:17:14 movl -8(%rbp), %edi .loc 1 17 12 is_stmt 0 # llvm-symbolizer-bbsections-test.c:17:12 callq _Z1gi .loc 1 17 5 # llvm-symbolizer-bbsections-test.c:17:5 movl %eax, -4(%rbp) jmp main.__part.9 .LBB_END3_3: .size main.__part.3, .LBB_END3_3-main.__part.3 .cfi_endproc #.section .text.main,"ax",@progbits,unique,6 main.__part.6: .cfi_startproc .cfi_def_cfa %rbp, 16 .cfi_offset %rbp, -16 .loc 1 0 5 # llvm-symbolizer-bbsections-test.c:0:5 jmp main.__part.7 jmp main.__part.7 .LBB_END3_6: .size main.__part.6, .LBB_END3_6-main.__part.6 .cfi_endproc #.section .text.main,"ax",@progbits,unique,7 main.__part.7: .cfi_startproc .cfi_def_cfa %rbp, 16 .cfi_offset %rbp, -16 jmp main.__part.8 jmp main.__part.8 .LBB_END3_7: .size main.__part.7, .LBB_END3_7-main.__part.7 .cfi_endproc #.section .text.main,"ax",@progbits,unique,8 main.__part.8: .cfi_startproc .cfi_def_cfa %rbp, 16 .cfi_offset %rbp, -16 .loc 1 20 3 is_stmt 1 # llvm-symbolizer-bbsections-test.c:20:3 movl $0, -4(%rbp) jmp main.__part.9 .LBB_END3_8: .size main.__part.8, .LBB_END3_8-main.__part.8 .cfi_endproc #.section .text.main,"ax",@progbits,unique,9 main.__part.9: .cfi_startproc .cfi_def_cfa %rbp, 16 .cfi_offset %rbp, -16 .loc 1 21 1 # llvm-symbolizer-bbsections-test.c:21:1 movl -4(%rbp), %eax addq $16, %rsp popq %rbp .cfi_def_cfa %rsp, 8 retq .Ltmp11: .LBB_END3_9: .size main.__part.9, .LBB_END3_9-main.__part.9 .cfi_endproc #.section .text.main,"ax",@progbits .Lfunc_end3: .size main, .Lfunc_end3-main # -- End function .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 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 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 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 110 # DW_AT_linkage_name .byte 14 # DW_FORM_strp .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 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 46 # DW_TAG_subprogram .byte 1 # DW_CHILDREN_yes .byte 85 # DW_AT_ranges .byte 23 # DW_FORM_sec_offset .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 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 5 # 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 6 # Abbreviation Code .byte 15 # DW_TAG_pointer_type .byte 0 # DW_CHILDREN_no .byte 73 # DW_AT_type .byte 19 # DW_FORM_ref4 .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 4 # DWARF version number .long .debug_abbrev # Offset Into Abbrev. Section .byte 8 # Address Size (in bytes) .byte 1 # Abbrev [1] 0xb:0xea DW_TAG_compile_unit .long .Linfo_string0 # DW_AT_producer .short 33 # DW_AT_language .long .Linfo_string1 # DW_AT_name .long .Lline_table_start0 # DW_AT_stmt_list .long .Linfo_string2 # DW_AT_comp_dir .quad 0 # DW_AT_low_pc .long .Ldebug_ranges1 # DW_AT_ranges .byte 2 # Abbrev [2] 0x2a:0x2c DW_TAG_subprogram .quad .Lfunc_begin0 # DW_AT_low_pc .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc .byte 1 # DW_AT_frame_base .byte 86 .long .Linfo_string3 # DW_AT_linkage_name .long .Linfo_string4 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 220 # DW_AT_type # DW_AT_external .byte 3 # Abbrev [3] 0x47:0xe DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 124 .long .Linfo_string11 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 1 # DW_AT_decl_line .long 220 # DW_AT_type .byte 0 # End Of Children Mark .byte 2 # Abbrev [2] 0x56:0x2c DW_TAG_subprogram .quad .Lfunc_begin1 # DW_AT_low_pc .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc .byte 1 # DW_AT_frame_base .byte 86 .long .Linfo_string6 # DW_AT_linkage_name .long .Linfo_string7 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 5 # DW_AT_decl_line .long 220 # DW_AT_type # DW_AT_external .byte 3 # Abbrev [3] 0x73:0xe DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 124 .long .Linfo_string11 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 5 # DW_AT_decl_line .long 220 # DW_AT_type .byte 0 # End Of Children Mark .byte 2 # Abbrev [2] 0x82:0x2c DW_TAG_subprogram .quad .Lfunc_begin2 # DW_AT_low_pc .long .Lfunc_end2-.Lfunc_begin2 # DW_AT_high_pc .byte 1 # DW_AT_frame_base .byte 86 .long .Linfo_string8 # DW_AT_linkage_name .long .Linfo_string9 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 9 # DW_AT_decl_line .long 220 # DW_AT_type # DW_AT_external .byte 3 # Abbrev [3] 0x9f:0xe DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 124 .long .Linfo_string11 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 9 # DW_AT_decl_line .long 220 # DW_AT_type .byte 0 # End Of Children Mark .byte 4 # Abbrev [4] 0xae:0x2e DW_TAG_subprogram .long .Ldebug_ranges0 # DW_AT_ranges .byte 1 # DW_AT_frame_base .byte 86 .long .Linfo_string10 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 13 # DW_AT_decl_line .long 220 # DW_AT_type # DW_AT_external .byte 3 # Abbrev [3] 0xbf:0xe DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 120 .long .Linfo_string12 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 13 # DW_AT_decl_line .long 220 # DW_AT_type .byte 3 # Abbrev [3] 0xcd:0xe DW_TAG_formal_parameter .byte 2 # DW_AT_location .byte 145 .byte 112 .long .Linfo_string13 # DW_AT_name .byte 1 # DW_AT_decl_file .byte 13 # DW_AT_decl_line .long 227 # DW_AT_type .byte 0 # End Of Children Mark .byte 5 # Abbrev [5] 0xdc:0x7 DW_TAG_base_type .long .Linfo_string5 # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 6 # Abbrev [6] 0xe3:0x5 DW_TAG_pointer_type .long 232 # DW_AT_type .byte 6 # Abbrev [6] 0xe8:0x5 DW_TAG_pointer_type .long 237 # DW_AT_type .byte 5 # Abbrev [5] 0xed:0x7 DW_TAG_base_type .long .Linfo_string14 # DW_AT_name .byte 6 # DW_AT_encoding .byte 1 # DW_AT_byte_size .byte 0 # End Of Children Mark .Ldebug_info_end0: .section .debug_ranges,"",@progbits .Ldebug_ranges0: .quad main.__part.1 .quad .LBB_END3_1 .quad main.__part.2 .quad .LBB_END3_2 .quad main.__part.3 .quad .LBB_END3_3 .quad main.__part.4 .quad .LBB_END3_4 .quad main.__part.5 .quad .LBB_END3_5 .quad main.__part.6 .quad .LBB_END3_6 .quad main.__part.7 .quad .LBB_END3_7 .quad main.__part.8 .quad .LBB_END3_8 .quad main.__part.9 .quad .LBB_END3_9 .quad .Lfunc_begin3 .quad .Lfunc_end3 .quad 0 .quad 0 .Ldebug_ranges1: .quad .Lfunc_begin0 .quad .Lfunc_end0 .quad .Lfunc_begin1 .quad .Lfunc_end1 .quad .Lfunc_begin2 .quad .Lfunc_end2 .quad main.__part.1 .quad .LBB_END3_1 .quad main.__part.2 .quad .LBB_END3_2 .quad main.__part.3 .quad .LBB_END3_3 .quad main.__part.4 .quad .LBB_END3_4 .quad main.__part.5 .quad .LBB_END3_5 .quad main.__part.6 .quad .LBB_END3_6 .quad main.__part.7 .quad .LBB_END3_7 .quad main.__part.8 .quad .LBB_END3_8 .quad main.__part.9 .quad .LBB_END3_9 .quad .Lfunc_begin3 .quad .Lfunc_end3 .quad 0 .quad 0 .section .debug_str,"MS",@progbits,1 .Linfo_string0: .asciz "clang version 12.0.0 (git@github.com:llvm/llvm-project.git bfa6ca07a8cda0ab889b7fee0b914907ce594e11)" # string offset=0 .Linfo_string1: .asciz "llvm-symbolizer-bbsections-test.c" # string offset=101 .Linfo_string2: .asciz "Examples" # string offset=135 .Linfo_string3: .asciz "_Z1fi" # string offset=182 .Linfo_string4: .asciz "f" # string offset=188 .Linfo_string5: .asciz "int" # string offset=190 .Linfo_string6: .asciz "_Z1gi" # string offset=194 .Linfo_string7: .asciz "g" # string offset=200 .Linfo_string8: .asciz "_Z1hi" # string offset=202 .Linfo_string9: .asciz "h" # string offset=208 .Linfo_string10: .asciz "main" # string offset=210 .Linfo_string11: .asciz "a" # string offset=215 .Linfo_string12: .asciz "argc" # string offset=217 .Linfo_string13: .asciz "argv" # string offset=222 .Linfo_string14: .asciz "char" # string offset=227 .ident "clang version 12.0.0 (git@github.com:llvm/llvm-project.git bfa6ca07a8cda0ab889b7fee0b914907ce594e11)" .section ".note.GNU-stack","",@progbits .addrsig .addrsig_sym _Z1fi .addrsig_sym _Z1gi .addrsig_sym _Z1hi .section .debug_line,"",@progbits .Lline_table_start0: