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5ed0e40bfd
Until now, an offset change is reported by showing the old and new
offsets of the data member that changed.
This patch adds the string "(by +N bits)" with 'N' being the number of
bits by which the offset of the data member was increased, or "(by -N
bits) if the offset of the data member was decreased of N bits.
The patch also emits a string that says "size hasn't changed" if the
size of the structure did not change.
This can be disabled by a new --no-show-relative-offset-changes
option.
* doc/manuals/abidiff.rst: Document the new
--no-show-relative-offset-changes.
* doc/manuals/abipkgdiff.rst: Likewise.
* include/abg-comparison.h
(diff_context::show_relative_offset_changes): New accessors.
* include/abg-ir.h ({set,get}_data_member_offset): Return uint64_t
instead of the less portable size_t.
* src/abg-comparison.cc
(diff_context::priv::show_relative_offset_changes_): New data
member.
(dif_context::show_relative_offset_changes): Define accessor.
(maybe_show_relative_offset_change): Define new function.
(represent): In the overload for var_diff, call the new
maybe_show_relative_offset_change.
(report_size_and_alignment_changes): If the size of the type
didn't change then say it now.
* src/abg-ir.cc (set_data_member_offset, get_data_member_offset):
Take or return a uint64_t instead of a size_t.
* tools/abidiff.cc (options::show_relative_offset_changes): New
data member.
(options::options): Initialize it.
(display_usage): Display help string for the new
--no-show-relative-offset-changes.
(parse_command_line): Parse the new
--no-show-relative-offset-changes options.
(set_diff_context_from_opts): Set the
"show-relative-offset-changes" flag according to the new option.n
* tools/abipkgdiff.cc (options::show_relative_offset_changes): New
data member.
(options::options): Initialize it.
(display_usage): Add help string for the new
--no-show-relative-offset-changes option.
(set_diff_context_from_opts): Set the
"show-relative-offset-changes" flag according to the new option.
(parse_command_line): Parse the new command line option.
* tests/data/test-diff-dwarf/test40-report-0.txt: Add new
reference output.
* tests/data/test-diff-dwarf/test40-v0.c: Source code of the first
test binary.
* tests/data/test-diff-dwarf/test40-v1.c: Source code of the
second test binay.
* tests/data/test-diff-dwarf/libtest40-v0.so: New first test binary.
* tests/data/test-diff-dwarf/libtest40-v1.so: New second test binary.
* tests/test-diff-dwarf.cc (in_out_spec): Add the new test
binaries above to the set of binaries that are compared.
* tests/data/Makefile.am: Add the new test material to source
distribution.
* tests/data/test-abicompat/test7-fn-changed-report-0.txt: Adjust.
* tests/data/test-abidiff/test-PR18791-report0.txt: Likewise.
* tests/data/test-abidiff/test-enum0-report.txt: Likewise.
* tests/data/test-abidiff/test-enum1-report.txt: Likewise.
* tests/data/test-abidiff/test-struct1-report.txt: Likewise.
* tests/data/test-diff-dwarf/test0-report.txt: Likewise.
* tests/data/test-diff-dwarf/test1-report.txt: Likewise.
* tests/data/test-diff-dwarf/test10-report.txt: Likewise.
* tests/data/test-diff-dwarf/test11-report.txt: Likewise.
* tests/data/test-diff-dwarf/test13-report.txt: Likewise.
* tests/data/test-diff-dwarf/test15-enum-report.txt: Likewise.
* tests/data/test-diff-dwarf/test27-local-base-diff-report.txt: Likewise.
* tests/data/test-diff-dwarf/test32-fnptr-changes-report-0.txt: Likewise.
* tests/data/test-diff-dwarf/test33-fnref-changes-report-0.txt: Likewise.
* tests/data/test-diff-dwarf/test38-union-report-0.txt: Likewise.
* tests/data/test-diff-dwarf/test4-report.txt: Likewise.
* tests/data/test-diff-dwarf/test5-report.txt: Likewise.
* tests/data/test-diff-dwarf/test6-report.txt: Likewise.
* tests/data/test-diff-dwarf/test8-report.txt: Likewise.
* tests/data/test-diff-filter/test0-report.txt: Likewise.
* tests/data/test-diff-filter/test01-report.txt: Likewise.
* tests/data/test-diff-filter/test1-report.txt: Likewise.
* tests/data/test-diff-filter/test13-report.txt: Likewise.
* tests/data/test-diff-filter/test16-report-2.txt: Likewise.
* tests/data/test-diff-filter/test16-report.txt: Likewise.
* tests/data/test-diff-filter/test17-0-report.txt: Likewise.
* tests/data/test-diff-filter/test17-1-report.txt: Likewise.
* tests/data/test-diff-filter/test18-report.txt: Likewise.
* tests/data/test-diff-filter/test19-enum-report-1.txt: Likewise.
* tests/data/test-diff-filter/test2-report.txt: Likewise.
* tests/data/test-diff-filter/test23-redundant-fn-parm-change-report-0.txt:
Likewise.
* tests/data/test-diff-filter/test24-compatible-vars-report-1.txt:
Likewise.
* tests/data/test-diff-filter/test25-cyclic-type-report-0.txt:
Likewise.
* tests/data/test-diff-filter/test25-cyclic-type-report-1.txt:
Likewise.
* tests/data/test-diff-filter/test26-qualified-redundant-node-report-0.t:
Likewise.xt
* tests/data/test-diff-filter/test26-qualified-redundant-node-report-1.txt:
Likewise.
* tests/data/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-1.txt:
Likewise.
* tests/data/test-diff-filter/test27-redundant-and-filtered-children-nodes-report-2.txt:
Likewise.
* tests/data/test-diff-filter/test29-finer-redundancy-marking-report-0.txt:
Likewise.
* tests/data/test-diff-filter/test3-report.txt: Likewise.
* tests/data/test-diff-filter/test30-pr18904-rvalueref-report0.txt:
Likewise.
* tests/data/test-diff-filter/test30-pr18904-rvalueref-report1.txt:
Likewise.
* tests/data/test-diff-filter/test31-pr18535-libstdc++-report-0.txt:
Likewise.
* tests/data/test-diff-filter/test31-pr18535-libstdc++-report-1.txt:
Likewise.
* tests/data/test-diff-pkg/libICE-1.0.6-1.el6.x86_64.rpm--libICE-1.0.9-2.el7.x86_64.rpm-report-0.txt: Likewise.
* tests/data/test-diff-pkg/libsigc++-2.0-0c2a_2.4.0-1_amd64--libsigc++-2.0-0v5_2.4.1-1ubuntu2_amd64-report-0.txt: Likewise.
* tests/data/test-diff-pkg/tbb-4.1-9.20130314.fc22.x86_64--tbb-4.3-3.20141204.fc23.x86_64-report-0.txt: Likewise.
* tests/data/test-diff-pkg/tbb-4.1-9.20130314.fc22.x86_64--tbb-4.3-3.20141204.fc23.x86_64-report-1.txt: Likewise.
* tests/data/test-diff-suppr/test0-type-suppr-report-0.txt: Likewise.
* tests/data/test-diff-suppr/test0-type-suppr-report-3.txt: Likewise.
* tests/data/test-diff-suppr/test0-type-suppr-report-5.txt: Likewise.
* tests/data/test-diff-suppr/test0-type-suppr-report-7.txt: Likewise.
* tests/data/test-diff-suppr/test1-typedef-suppr-report-0.txt: Likewise.
* tests/data/test-diff-suppr/test1-typedef-suppr-report-2.txt: Likewise.
* tests/data/test-diff-suppr/test10-changed-parm-c-report-0.txt: Likewise.
* tests/data/test-diff-suppr/test2-struct-suppr-report-0.txt: Likewise.
* tests/data/test-diff-suppr/test23-alias-filter-report-0.txt: Likewise.
* tests/data/test-diff-suppr/test23-alias-filter-report-2.txt: Likewise.
* tests/data/test-diff-suppr/test3-struct-suppr-report-0.txt: Likewise.
* tests/data/test-diff-suppr/test3-struct-suppr-report-1.txt: Likewise.
* tests/data/test-diff-suppr/test3-struct-suppr-report-2.txt: Likewise.
* tests/data/test-diff-suppr/test30-report-0.txt: Likewise.
* tests/data/test-diff-suppr/test4-local-suppr-report-0.txt: Likewise.
* tests/data/test-diff-suppr/test4-local-suppr-report-1.txt: Likewise.
* tests/data/test-diff-suppr/test5-fn-suppr-report-0.txt: Likewise.
* tests/data/test-diff-suppr/test5-fn-suppr-report-1.txt: Likewise.
* tests/data/test-diff-suppr/test5-fn-suppr-report-2.txt: Likewise.
* tests/data/test-diff-suppr/test5-fn-suppr-report-3.txt: Likewise.
* tests/data/test-diff-suppr/test5-fn-suppr-report-4.txt: Likewise.
* tests/data/test-diff-suppr/test5-fn-suppr-report-5.txt: Likewise.
* tests/data/test-diff-suppr/test6-fn-suppr-report-0-1.txt: Likewise.
* tests/data/test-diff-suppr/test6-fn-suppr-report-0.txt: Likewise.
* tests/data/test-diff-suppr/test6-fn-suppr-report-1.txt: Likewise.
* tests/data/test-diff-suppr/test6-fn-suppr-report-2.txt: Likewise.
* tests/data/test-diff-suppr/test6-fn-suppr-report-3.txt: Likewise.
* tests/data/test-diff-suppr/test7-var-suppr-report-0.txt: Likewise.
* tests/data/test-diff-suppr/test7-var-suppr-report-1.txt: Likewise.
* tests/data/test-diff-suppr/test7-var-suppr-report-2.txt: Likewise.
* tests/data/test-diff-suppr/test7-var-suppr-report-3.txt: Likewise.
* tests/data/test-diff-suppr/test7-var-suppr-report-4.txt: Likewise.
* tests/data/test-diff-suppr/test7-var-suppr-report-7.txt: Likewise.
* tests/data/test-diff-suppr/test7-var-suppr-report-8.txt: Likewise.
Signed-off-by: Dodji Seketeli <dodji@redhat.com>
17 lines
564 B
Plaintext
17 lines
564 B
Plaintext
Functions changes summary: 0 Removed, 1 Changed, 0 Added function
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Variables changes summary: 0 Removed, 0 Changed, 0 Added variable
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1 function with some indirect sub-type change:
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[C]'function void foo(E)' has some indirect sub-type changes:
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parameter 1 of type 'typedef E' has sub-type changes:
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underlying type 'enum __anonymous_enum__' changed:
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type size hasn't changed
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3 enumerator insertions:
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'__anonymous_enum__::v3' value '3'
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'__anonymous_enum__::v4' value '4'
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'__anonymous_enum__::v5' value '5'
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