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Differential D74208

[llvm-dwarfdump] Add the docs and test for the show-sections-sizes option
AbandonedPublic

Authored by djtodoro on Feb 7 2020, 3:15 AM.

Details

Reviewers
aprantl
vsk
jdoerfert
jhenderson
Summary

Adding a testcase and the docs.

Diff Detail

Event Timeline

djtodoro created this revision.Feb 7 2020, 3:15 AM
Herald added a reviewer: jdoerfert. · View Herald TranscriptFeb 7 2020, 3:15 AM
Herald added a reviewer: jhenderson. · View Herald Transcript
Herald added a project: Restricted Project. · View Herald Transcript
Herald added a subscriber: llvm-commits. · View Herald Transcript
djtodoro added a parent revision: D74207: [llvm-dwarfdump][Stats] Add the License header.Feb 7 2020, 3:16 AM
jhenderson added a comment.Feb 7 2020, 3:28 AM

This should be folded in with D74205.

llvm/test/tools/llvm-dwarfdump/X86/show_section_sizes.S
1

Use lower-case '.s' for the file name.

djtodoro abandoned this revision.Feb 7 2020, 8:53 AM

Folding within D74205.

djtodoro removed a parent revision: D74207: [llvm-dwarfdump][Stats] Add the License header.Feb 7 2020, 8:54 AM
djtodoro mentioned this in D74205: [llvm-dwarfdump] Add the --show-sections-sizes option.Feb 7 2020, 8:58 AM

Revision Contents

PathSize
llvm/
docs/
CommandGuide/
4 lines
test/
tools/
llvm-dwarfdump/
X86/
269 lines

Diff 243124

llvm/docs/CommandGuide/llvm-dwarfdump.rst

Show First 20 Lines • Show All 104 Lines • ▼ Show 20 Lines.. option:: -r <N>, --recurse-depth=<N>
When displaying debug info entries, only show children to a maximum When displaying debug info entries, only show children to a maximum
depth of <N>. depth of <N>.
.. option:: --statistics .. option:: --statistics
Collect debug info quality metrics and print the results Collect debug info quality metrics and print the results
as machine-readable single-line JSON output. as machine-readable single-line JSON output.
.. option:: --show-sections-sizes
Show the sizes of the .debug_* sections.
.. option:: --summarize-types .. option:: --summarize-types
Abbreviate the description of type unit entries. Abbreviate the description of type unit entries.
.. option:: -x, --regex .. option:: -x, --regex
Treat any <name> strings as regular expressions when searching Treat any <name> strings as regular expressions when searching
with :option:`--name`. If :option:`--ignore-case` is also specified, with :option:`--name`. If :option:`--ignore-case` is also specified,
▲ Show 20 Lines • Show All 50 Lines • Show Last 20 Lines

llvm/test/tools/llvm-dwarfdump/X86/show_section_sizes.S

  • This file was added.
# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj | llvm-dwarfdump --show-sections-sizes - | FileCheck %s
jhendersonUnsubmitted
Not Done
ReplyInline Actions

Use lower-case '.s' for the file name.

jhenderson: Use lower-case '.s' for the file name.
#
# CHECK: .debug_info 132
# CHECK: .debug_str 45
# CHECK: .debug_abbrev 120
# CHECK: .debug_line 76
# CHECK: .debug_ranges 0
# CHECK: .debug_loc 89
# CHECK: .debug_*: 462
# CHECK: TOTAL FILE SIZE: 540
#
.text
.file "test.c"
.globl fn1 # -- Begin function fn1
.p2align 4, 0x90
.type fn1,@function
fn1: # @fn1
.Lfn1$local:
.Lfunc_begin0:
.file 1 "/" "test.c"
.loc 1 3 0 # test.c:3:0
.cfi_startproc
# %bb.0: # %entry
#DEBUG_VALUE: fn1:x <- $edi
pushq %rbx
.cfi_def_cfa_offset 16
.cfi_offset %rbx, -16
movl %edi, %ebx
.Ltmp0:
#DEBUG_VALUE: fn1:x <- $ebx
.loc 1 4 11 prologue_end # test.c:4:11
xorl %eax, %eax
callq fn
.Ltmp1:
#DEBUG_VALUE: fn1:y <- $eax
.loc 1 5 9 # test.c:5:9
cmpl %ebx, %eax
movl $-1, %ecx
.Ltmp2:
.loc 1 0 0 is_stmt 0 # test.c:0:0
cmovll %ecx, %eax
.Ltmp3:
.loc 1 10 1 is_stmt 1 # test.c:10:1
popq %rbx
.Ltmp4:
.cfi_def_cfa_offset 8
retq
.Ltmp5:
.Lfunc_end0:
.size fn1, .Lfunc_end0-fn1
.cfi_endproc
# -- End function
.section .debug_str,"MS",@progbits,1
.Linfo_string0:
.asciz "clang version 11.0.0" # string offset=0
.Linfo_string1:
.asciz "test.c" # string offset=105
.Linfo_string2:
.asciz "/" # string offset=112
.Linfo_string3:
.asciz "fn" # string offset=163
.Linfo_string4:
.asciz "int" # string offset=166
.Linfo_string5:
.asciz "fn1" # string offset=170
.Linfo_string6:
.asciz "x" # string offset=174
.Linfo_string7:
.asciz "y" # string offset=176
.section .debug_loc,"",@progbits
.Ldebug_loc0:
.quad .Lfunc_begin0-.Lfunc_begin0
.quad .Ltmp0-.Lfunc_begin0
.short 1 # Loc expr size
.byte 85 # super-register DW_OP_reg5
.quad .Ltmp0-.Lfunc_begin0
.quad .Ltmp4-.Lfunc_begin0
.short 1 # Loc expr size
.byte 83 # super-register DW_OP_reg3
.quad 0
.quad 0
.Ldebug_loc1:
.quad .Ltmp1-.Lfunc_begin0
.quad .Ltmp3-.Lfunc_begin0
.short 1 # Loc expr size
.byte 80 # super-register DW_OP_reg0
.quad 0
.quad 0
.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 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
.ascii "\227B" # DW_AT_GNU_all_call_sites
.byte 25 # DW_FORM_flag_present
.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 23 # DW_FORM_sec_offset
.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 52 # DW_TAG_variable
.byte 0 # DW_CHILDREN_no
.byte 2 # DW_AT_location
.byte 23 # DW_FORM_sec_offset
.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 5 # Abbreviation Code
.ascii "\211\202\001" # DW_TAG_GNU_call_site
.byte 0 # DW_CHILDREN_no
.byte 49 # DW_AT_abstract_origin
.byte 19 # DW_FORM_ref4
.byte 17 # DW_AT_low_pc
.byte 1 # DW_FORM_addr
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 6 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.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 60 # DW_AT_declaration
.byte 25 # DW_FORM_flag_present
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 7 # Abbreviation Code
.byte 24 # DW_TAG_unspecified_parameters
.byte 0 # DW_CHILDREN_no
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 8 # 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 .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:0x79 DW_TAG_compile_unit
.long .Linfo_string0 # DW_AT_producer
.short 12 # 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 .Lfunc_begin0 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.byte 2 # Abbrev [2] 0x2a:0x45 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 87
# DW_AT_GNU_all_call_sites
.long .Linfo_string5 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 3 # DW_AT_decl_line
# DW_AT_prototyped
.long 124 # DW_AT_type
# DW_AT_external
.byte 3 # Abbrev [3] 0x43:0xf DW_TAG_formal_parameter
.long .Ldebug_loc0 # DW_AT_location
.long .Linfo_string6 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 3 # DW_AT_decl_line
.long 124 # DW_AT_type
.byte 4 # Abbrev [4] 0x52:0xf DW_TAG_variable
.long .Ldebug_loc1 # DW_AT_location
.long .Linfo_string7 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 4 # DW_AT_decl_line
.long 124 # DW_AT_type
.byte 5 # Abbrev [5] 0x61:0xd DW_TAG_GNU_call_site
.long 111 # DW_AT_abstract_origin
.quad .Ltmp1 # DW_AT_low_pc
.byte 0 # End Of Children Mark
.byte 6 # Abbrev [6] 0x6f:0xd DW_TAG_subprogram
.long .Linfo_string3 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
.long 124 # DW_AT_type
# DW_AT_declaration
# DW_AT_external
.byte 7 # Abbrev [7] 0x7a:0x1 DW_TAG_unspecified_parameters
.byte 0 # End Of Children Mark
.byte 8 # Abbrev [8] 0x7c:0x7 DW_TAG_base_type
.long .Linfo_string4 # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 0 # End Of Children Mark
.Ldebug_info_end0:
.ident "clang version 11.0.0"
.section ".note.GNU-stack","",@progbits
.addrsig
.section .debug_line,"",@progbits
.Lline_table_start0: