From e6fd79f3795d46dfb583e124be49fc063bc3d58b Mon Sep 17 00:00:00 2001 From: Chung-Lin Tang Date: Thu, 21 Oct 2021 21:41:21 +0800 Subject: elf: Testing infrastructure for ld.so DSO sorting (BZ #17645) This is the first of a 2-part patch set that fixes slow DSO sorting behavior in the dynamic loader, as reported in BZ #17645. In order to facilitate such a large modification to the dynamic loader, this first patch implements a testing framework for validating shared object sorting behavior, to enable comparison between old/new sorting algorithms, and any later enhancements. This testing infrastructure consists of a Python script scripts/dso-ordering-test.py' which takes in a description language, consisting of strings that describe a set of link dependency relations between DSOs, and generates testcase programs and Makefile fragments to automatically test the described situation, for example: a->b->c->d # four objects linked one after another a->[bc]->d;b->c # a depends on b and c, which both depend on d, # b depends on c (b,c linked to object a in fixed order) a->b->c;{+a;%a;-a} # a, b, c serially dependent, main program uses # dlopen/dlsym/dlclose on object a a->b->c;{}!->[abc] # a, b, c serially dependent; multiple tests generated # to test all permutations of a, b, c ordering linked # to main program (Above is just a short description of what the script can do, more documentation is in the script comments.) Two files containing several new tests, elf/dso-sort-tests-[12].def are added, including test scenarios for BZ #15311 and Redhat issue #1162810 [1]. Due to the nature of dynamic loader tests, where the sorting behavior and test output occurs before/after main(), generating testcases to use support/test-driver.c does not suffice to control meaningful timeout for ld.so. Therefore a new utility program 'support/test-run-command', based on test-driver.c/support_test_main.c has been added. This does the same testcase control, but for a program specified through a command-line rather than at the source code level. This utility is used to run the dynamic loader testcases generated by dso-ordering-test.py. [1] https://bugzilla.redhat.com/show_bug.cgi?id=1162810 Signed-off-by: Chung-Lin Tang Reviewed-by: Adhemerval Zanella --- elf/Makefile | 15 ++ elf/dso-sort-tests-1.def | 66 +++++ elf/dso-sort-tests-2.def | 614 +++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 695 insertions(+) create mode 100644 elf/dso-sort-tests-1.def create mode 100644 elf/dso-sort-tests-2.def (limited to 'elf') diff --git a/elf/Makefile b/elf/Makefile index bf45d8ee24..bdcf4cb885 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -477,6 +477,21 @@ tests-special += $(objpfx)order-cmp.out $(objpfx)tst-array1-cmp.out \ $(objpfx)tst-unused-dep-cmp.out endif +# DSO sorting tests: +# The dso-ordering-test.py script generates testcase source files in $(objpfx), +# creating a $(objpfx)-dir for each testcase, and creates a +# Makefile fragment to be included. +define include_dsosort_tests +$(objpfx)$(1).generated-makefile: $(1) + $(PYTHON) $(..)scripts/dso-ordering-test.py \ + --description-file $$< --objpfx $(objpfx) --output-makefile $$@ +include $(objpfx)$(1).generated-makefile +endef + +# Generate from each testcase description file +$(eval $(call include_dsosort_tests,dso-sort-tests-1.def)) +$(eval $(call include_dsosort_tests,dso-sort-tests-2.def)) + check-abi: $(objpfx)check-abi-ld.out tests-special += $(objpfx)check-abi-ld.out update-abi: update-abi-ld diff --git a/elf/dso-sort-tests-1.def b/elf/dso-sort-tests-1.def new file mode 100644 index 0000000000..873ddf55d9 --- /dev/null +++ b/elf/dso-sort-tests-1.def @@ -0,0 +1,66 @@ +# DSO sorting test descriptions. +# This file is to be processed by ../scripts/dso-ordering-test.py, see usage +# in elf/Makefile for how it is executed. + +# We test both dynamic loader sorting algorithms +tunable_option: glibc.rtld.dynamic_sort=1 +tunable_option: glibc.rtld.dynamic_sort=2 + +# Sequence of single dependencies with no cycles. +tst-dso-ordering1: a->b->c +output: c>b>a>{}b->[cd]->e +output: e>d>c>b>a>{}[bc]->[def]->[gh]->i +output: i>h>g>f>e>d>c>b>a>{}b->[de];a->c->d->e +output: e>d>c>b>a>{}c cross link is respected correctly +tst-dso-ordering5: a!->[bc]->d;b->c +output: d>c>b>a>{}[bcde]->f +output: f>e>d>c>b>a>{}[bc];b->[cde];e->f +output: f>e>d>c>b>a>{}b->c=>a;{}->[ba] +output: c>b>a>{}b->c->d->e;{}!->[abcde] +output: e>d>c>b>a>{}a->b->c;soname({})=c +output: b>a>{}b->c->d order). +# The older dynamic_sort=1 algorithm does not achieve this, while the DFS-based +# dynamic_sort=2 algorithm does, although it is still arguable whether going +# beyond spec to do this is the right thing to do. +# The below expected outputs are what the two algorithms currently produce +# respectively, for regression testing purposes. +tst-bz15311: {+a;+e;+f;+g;+d;%d;-d;-g;-f;-e;-a};a->b->c->d;d=>[ba];c=>a;b=>e=>a;c=>f=>b;d=>g=>c +xfail_output(glibc.rtld.dynamic_sort=1): {+a[d>c>b>a>];+e[e>];+f[f>];+g[g>];+d[];%d(b(e(a()))a()g(c(a()f(b(e(a()))))));-d[];-g[];-f[];-e[];-a[c>b>a>];+e[e>];+f[f>];+g[g>];+d[];%d(b(e(a()))a()g(c(a()f(b(e(a()))))));-d[];-g[];-f[];-e[];-a[A101 +{}->* +A101->(B101 B163 B122 B181) +A102->(B102 B140 B199 B158) +A103->(B103 B117 B176 B135) +A104->(B104 B194 B153 B112) +A105->(B105 B171 B130 B189) +A106->(B106 B148 B107 B166) +A107->(B107 B125 B184 B143) +A108->(B108 B102 B161 B120) +A109->(B109 B179 B138 B197) +A110->(B110 B156 B115 B174) +A111->(B111 B133 B192 B151) +A112->(B112 B110 B169 B128) +A113->(B113 B187 B146 B105) +A114->(B114 B164 B123 B182) +A115->(B115 B141 B200 B159) +A116->(B116 B118 B177 B136) +A117->(B117 B195 B154 B113) +A118->(B118 B172 B131 B190) +A119->(B119 B149 B108 B167) +A120->(B120 B126 B185 B144) +A121->(B121 B103 B162) +A122->(B122 B180 B139 B198) +A123->(B123 B157 B116 B175) +A124->(B124 B134 B193 B152) +A125->(B125 B111 B170 B129) +A126->(B126 B188 B147 B106) +A127->(B127 B165 B124 B183) +A128->(B128 B142 B101 B160) +A129->(B129 B119 B178 B137) +A130->(B130 B196 B155 B114) +A131->(B131 B173 B132 B191) +A132->(B132 B150 B109 B168) +A133->(B133 B127 B186 B145) +A134->(B134 B104 B163 B122) +A135->(B135 B181 B140 B199) +A136->(B136 B158 B117 B176) +A137->(B137 B135 B194 B153) +A138->(B138 B112 B171 B130) +A139->(B139 B189 B148 B107) +A140->(B140 B166 B125 B184) +A141->(B141 B143 B102 B161) +A142->(B142 B120 B179 B138) +A143->(B143 B197 B156 B115) +A144->(B144 B174 B133 B192) +A145->(B145 B151 B110 B169) +A146->(B146 B128 B187) +A147->(B147 B105 B164 B123) +A148->(B148 B182 B141 B200) +A149->(B149 B159 B118 B177) +A150->(B150 B136 B195 B154) +A151->(B151 B113 B172 B131) +A152->(B152 B190 B149 B108) +A153->(B153 B167 B126 B185) +A154->(B154 B144 B103 B162) +A155->(B155 B121 B180 B139) +A156->(B156 B198 B157 B116) +A157->(B157 B175 B134 B193) +A158->(B158 B152 B111 B170) +A159->(B159 B129 B188 B147) +A160->(B160 B106 B165 B124) +A161->(B161 B183 B142 B101) +A162->(B162 B160 B119 B178) +A163->(B163 B137 B196 B155) +A164->(B164 B114 B173 B132) +A165->(B165 B191 B150 B109) +A166->(B166 B168 B127 B186) +A167->(B167 B145 B104 B163) +A168->(B168 B122 B181 B140) +A169->(B169 B199 B158 B117) +A170->(B170 B176 B135 B194) +A171->(B171 B153 B112) +A172->(B172 B130 B189 B148) +A173->(B173 B107 B166 B125) +A174->(B174 B184 B143 B102) +A175->(B175 B161 B120 B179) +A176->(B176 B138 B197 B156) +A177->(B177 B115 B174 B133) +A178->(B178 B192 B151 B110) +A179->(B179 B169 B128 B187) +A180->(B180 B146 B105 B164) +A181->(B181 B123 B182 B141) +A182->(B182 B200 B159 B118) +A183->(B183 B177 B136 B195) +A184->(B184 B154 B113 B172) +A185->(B185 B131 B190 B149) +A186->(B186 B108 B167 B126) +A187->(B187 B185 B144 B103) +A188->(B188 B162 B121 B180) +A189->(B189 B139 B198 B157) +A190->(B190 B116 B175 B134) +A191->(B191 B193 B152 B111) +A192->(B192 B170 B129 B188) +A193->(B193 B147 B106 B165) +A194->(B194 B124 B183 B142) +A195->(B195 B101 B160 B119) +A196->(B196 B178 B137) +A197->(B197 B155 B114 B173) +A198->(B198 B132 B191 B150) +A199->(B199 B109 B168 B127) +A200->(B200 B186 B145 B104) +B101->(C101 C164 C123 C182) +B102->(C102 C141 C200 C159) +B103->(C103 C118 C177 C136) +B104->(C104 C195 C154 C113) +B105->(C105 C172 C131 C190) +B106->(C106 C149 C108 C167) +B107->(C107 C126 C185 C144) +B108->(C108 C103 C162 C121) +B109->(C109 C180 C139 C198) +B110->(C110 C157 C116 C175) +B111->(C111 C134 C193 C152) +B112->(C112 C111 C170 C129) +B113->(C113 C188 C147 C106) +B114->(C114 C165 C124 C183) +B115->(C115 C142 C101 C160) +B116->(C116 C119 C178 C137) +B117->(C117 C196 C155 C114) +B118->(C118 C173 C132 C191) +B119->(C119 C150 C109 C168) +B120->(C120 C127 C186 C145) +B121->(C121 C104 C163 C122) +B122->(C122 C181 C140 C199) +B123->(C123 C158 C117 C176) +B124->(C124 C135 C194 C153) +B125->(C125 C112 C171 C130) +B126->(C126 C189 C148 C107) +B127->(C127 C166 C125 C184) +B128->(C128 C143 C102 C161) +B129->(C129 C120 C179 C138) +B130->(C130 C197 C156 C115) +B131->(C131 C174 C133 C192) +B132->(C132 C151 C110 C169) +B133->(C133 C128 C187 C146) +B134->(C134 C105 C164 C123) +B135->(C135 C182 C141 C200) +B136->(C136 C159 C118 C177) +B137->(C137 C136 C195 C154) +B138->(C138 C113 C172 C131) +B139->(C139 C190 C149 C108) +B140->(C140 C167 C126 C185) +B141->(C141 C144 C103 C162) +B142->(C142 C121 C180 C139) +B143->(C143 C198 C157 C116) +B144->(C144 C175 C134 C193) +B145->(C145 C152 C111 C170) +B146->(C146 C129 C188 C147) +B147->(C147 C106 C165 C124) +B148->(C148 C183 C142 C101) +B149->(C149 C160 C119 C178) +B150->(C150 C137 C196 C155) +B151->(C151 C114 C173 C132) +B152->(C152 C191 C150 C109) +B153->(C153 C168 C127 C186) +B154->(C154 C145 C104 C163) +B155->(C155 C122 C181 C140) +B156->(C156 C199 C158 C117) +B157->(C157 C176 C135 C194) +B158->(C158 C153 C112 C171) +B159->(C159 C130 C189 C148) +B160->(C160 C107 C166 C125) +B161->(C161 C184 C143 C102) +B162->(C162 C161 C120 C179) +B163->(C163 C138 C197 C156) +B164->(C164 C115 C174 C133) +B165->(C165 C192 C151 C110) +B166->(C166 C169 C128 C187) +B167->(C167 C146 C105 C164) +B168->(C168 C123 C182 C141) +B169->(C169 C200 C159 C118) +B170->(C170 C177 C136 C195) +B171->(C171 C154 C113 C172) +B172->(C172 C131 C190 C149) +B173->(C173 C108 C167 C126) +B174->(C174 C185 C144 C103) +B175->(C175 C162 C121 C180) +B176->(C176 C139 C198 C157) +B177->(C177 C116 C175 C134) +B178->(C178 C193 C152 C111) +B179->(C179 C170 C129 C188) +B180->(C180 C147 C106 C165) +B181->(C181 C124 C183 C142) +B182->(C182 C101 C160 C119) +B183->(C183 C178 C137 C196) +B184->(C184 C155 C114 C173) +B185->(C185 C132 C191 C150) +B186->(C186 C109 C168 C127) +B187->(C187 C186 C145 C104) +B188->(C188 C163 C122 C181) +B189->(C189 C140 C199 C158) +B190->(C190 C117 C176 C135) +B191->(C191 C194 C153 C112) +B192->(C192 C171 C130 C189) +B193->(C193 C148 C107 C166) +B194->(C194 C125 C184 C143) +B195->(C195 C102 C161 C120) +B196->(C196 C179 C138 C197) +B197->(C197 C156 C115 C174) +B198->(C198 C133 C192 C151) +B199->(C199 C110 C169 C128) +B200->(C200 C187 C146 C105) +C101->(A165 A124) +C102->(A183 A142) +C103->(A101 A160) +C104->(A119 A178) +C105->(A137 A196) +C106->(A155 A114) +C107->(A173 A132) +C108->(A191 A150) +C109->(A109 A168) +C110->(A127 A186) +C111->(A145 A104) +C112->(A163 A122) +C113->(A181 A140) +C114->(A199 A158) +C115->(A117 A176) +C116->(A135 A194) +C117->(A153 A112) +C118->(A171 A130) +C119->(A189 A148) +C120->(A107 A166) +C121->(A125 A184) +C122->(A143 A102) +C123->(A161 A120) +C124->(A179 A138) +C125->(A197 A156) +C126->(A115 A174) +C127->(A133 A192) +C128->(A151 A110) +C129->(A169 A128) +C130->(A187 A146) +C131->(A105 A164) +C132->(A123 A182) +C133->(A141 A200) +C134->(A159 A118) +C135->(A177 A136) +C136->(A195 A154) +C137->(A113 A172) +C138->(A131 A190) +C139->(A149 A108) +C140->(A167 A126) +C141->(A185 A144) +C142->(A103 A162) +C143->(A121 A180) +C144->(A139 A198) +C145->(A157 A116) +C146->(A175 A134) +C147->(A193 A152) +C148->(A111 A170) +C149->(A129 A188) +C150->(A147 A106) +C151->(A165 A124) +C152->(A183 A142) +C153->(A101 A160) +C154->(A119 A178) +C155->(A137 A196) +C156->(A155 A114) +C157->(A173 A132) +C158->(A191 A150) +C159->(A109 A168) +C160->(A127 A186) +C161->(A145 A104) +C162->(A163 A122) +C163->(A181 A140) +C164->(A199 A158) +C165->(A117 A176) +C166->(A135 A194) +C167->(A153 A112) +C168->(A171 A130) +C169->(A189 A148) +C170->(A107 A166) +C171->(A125 A184) +C172->(A143 A102) +C173->(A161 A120) +C174->(A179 A138) +C175->(A197 A156) +C176->(A115 A174) +C177->(A133 A192) +C178->(A151 A110) +C179->(A169 A128) +C180->(A187 A146) +C181->(A105 A164) +C182->(A123 A182) +C183->(A141 A200) +C184->(A159 A118) +C185->(A177 A136) +C186->(A195 A154) +C187->(A113 A172) +C188->(A131 A190) +C189->(A149 A108) +C190->(A167 A126) +C191->(A185 A144) +C192->(A103 A162) +C193->(A121 A180) +C194->(A139 A198) +C195->(A157 A116) +C196->(A175 A134) +C197->(A193 A152) +C198->(A111 A170) +C199->(A129 A188) +C200->(A147 A106) +M11X11->(M13X14 M12X13 M12X12 M12X11) +M11X12->(M13X25 M12X24 M12X23 M12X22) +M11X13->(M13X21 M12X20 M12X19 M12X18) +M11X14->(M13X17 M12X16 M12X15 M12X14) +M11X15->(M13X13 M12X12 M12X11 M12X25) +M11X16->(M13X24 M12X23 M12X22 M12X21) +M11X17->(M13X20 M12X19 M12X18 M12X17) +M11X18->(M13X16 M12X15 M12X14 M12X13) +M11X19->(M13X12 M12X11 M12X25 M12X24) +M11X20->(M13X23 M12X22 M12X21 M12X20) +M11X21->(M13X19 M12X18 M12X17 M12X16) +M11X22->(M13X15 M12X14 M12X13 M12X12) +M11X23->(M13X11 M12X25 M12X24 M12X23) +M11X24->(M13X22 M12X21 M12X20 M12X19) +M11X25->(M13X18 M12X17 M12X16 M12X15) +M12X11->(M14X14 M13X13 M13X12 M13X11) +M12X12->(M14X25 M13X24 M13X23 M13X22) +M12X13->(M14X21 M13X20 M13X19 M13X18) +M12X14->(M14X17 M13X16 M13X15 M13X14) +M12X15->(M14X13 M13X12 M13X11 M13X25) +M12X16->(M14X24 M13X23 M13X22 M13X21) +M12X17->(M14X20 M13X19 M13X18 M13X17) +M12X18->(M14X16 M13X15 M13X14 M13X13) +M12X19->(M14X12 M13X11 M13X25 M13X24) +M12X20->(M14X23 M13X22 M13X21 M13X20) +M12X21->(M14X19 M13X18 M13X17 M13X16) +M12X22->(M14X15 M13X14 M13X13 M13X12) +M12X23->(M14X11 M13X25 M13X24 M13X23) +M12X24->(M14X22 M13X21 M13X20 M13X19) +M12X25->(M14X18 M13X17 M13X16 M13X15) +M13X11->(M15X14 M14X13 M14X12 M14X11) +M13X12->(M15X25 M14X24 M14X23 M14X22) +M13X13->(M15X21 M14X20 M14X19 M14X18) +M13X14->(M15X17 M14X16 M14X15 M14X14) +M13X15->(M15X13 M14X12 M14X11 M14X25) +M13X16->(M15X24 M14X23 M14X22 M14X21) +M13X17->(M15X20 M14X19 M14X18 M14X17) +M13X18->(M15X16 M14X15 M14X14 M14X13) +M13X19->(M15X12 M14X11 M14X25 M14X24) +M13X20->(M15X23 M14X22 M14X21 M14X20) +M13X21->(M15X19 M14X18 M14X17 M14X16) +M13X22->(M15X15 M14X14 M14X13 M14X12) +M13X23->(M15X11 M14X25 M14X24 M14X23) +M13X24->(M15X22 M14X21 M14X20 M14X19) +M13X25->(M15X18 M14X17 M14X16 M14X15) +M14X11->(M16X14 M15X13 M15X12 M15X11) +M14X12->(M16X25 M15X24 M15X23 M15X22) +M14X13->(M16X21 M15X20 M15X19 M15X18) +M14X14->(M16X17 M15X16 M15X15 M15X14) +M14X15->(M16X13 M15X12 M15X11 M15X25) +M14X16->(M16X24 M15X23 M15X22 M15X21) +M14X17->(M16X20 M15X19 M15X18 M15X17) +M14X18->(M16X16 M15X15 M15X14 M15X13) +M14X19->(M16X12 M15X11 M15X25 M15X24) +M14X20->(M16X23 M15X22 M15X21 M15X20) +M14X21->(M16X19 M15X18 M15X17 M15X16) +M14X22->(M16X15 M15X14 M15X13 M15X12) +M14X23->(M16X11 M15X25 M15X24 M15X23) +M14X24->(M16X22 M15X21 M15X20 M15X19) +M14X25->(M16X18 M15X17 M15X16 M15X15) +M15X11->(M17X14 M16X13 M16X12 M16X11) +M15X12->(M17X25 M16X24 M16X23 M16X22) +M15X13->(M17X21 M16X20 M16X19 M16X18) +M15X14->(M17X17 M16X16 M16X15 M16X14) +M15X15->(M17X13 M16X12 M16X11 M16X25) +M15X16->(M17X24 M16X23 M16X22 M16X21) +M15X17->(M17X20 M16X19 M16X18 M16X17) +M15X18->(M17X16 M16X15 M16X14 M16X13) +M15X19->(M17X12 M16X11 M16X25 M16X24) +M15X20->(M17X23 M16X22 M16X21 M16X20) +M15X21->(M17X19 M16X18 M16X17 M16X16) +M15X22->(M17X15 M16X14 M16X13 M16X12) +M15X23->(M17X11 M16X25 M16X24 M16X23) +M15X24->(M17X22 M16X21 M16X20 M16X19) +M15X25->(M17X18 M16X17 M16X16 M16X15) +M16X11->(M18X14 M17X13 M17X12 M17X11) +M16X12->(M18X25 M17X24 M17X23 M17X22) +M16X13->(M18X21 M17X20 M17X19 M17X18) +M16X14->(M18X17 M17X16 M17X15 M17X14) +M16X15->(M18X13 M17X12 M17X11 M17X25) +M16X16->(M18X24 M17X23 M17X22 M17X21) +M16X17->(M18X20 M17X19 M17X18 M17X17) +M16X18->(M18X16 M17X15 M17X14 M17X13) +M16X19->(M18X12 M17X11 M17X25 M17X24) +M16X20->(M18X23 M17X22 M17X21 M17X20) +M16X21->(M18X19 M17X18 M17X17 M17X16) +M16X22->(M18X15 M17X14 M17X13 M17X12) +M16X23->(M18X11 M17X25 M17X24 M17X23) +M16X24->(M18X22 M17X21 M17X20 M17X19) +M16X25->(M18X18 M17X17 M17X16 M17X15) +M17X11->(M19X14 M18X13 M18X12 M18X11) +M17X12->(M19X25 M18X24 M18X23 M18X22) +M17X13->(M19X21 M18X20 M18X19 M18X18) +M17X14->(M19X17 M18X16 M18X15 M18X14) +M17X15->(M19X13 M18X12 M18X11 M18X25) +M17X16->(M19X24 M18X23 M18X22 M18X21) +M17X17->(M19X20 M18X19 M18X18 M18X17) +M17X18->(M19X16 M18X15 M18X14 M18X13) +M17X19->(M19X12 M18X11 M18X25 M18X24) +M17X20->(M19X23 M18X22 M18X21 M18X20) +M17X21->(M19X19 M18X18 M18X17 M18X16) +M17X22->(M19X15 M18X14 M18X13 M18X12) +M17X23->(M19X11 M18X25 M18X24 M18X23) +M17X24->(M19X22 M18X21 M18X20 M18X19) +M17X25->(M19X18 M18X17 M18X16 M18X15) +M18X11->(M20X14 M19X13 M19X12 M19X11) +M18X12->(M20X25 M19X24 M19X23 M19X22) +M18X13->(M20X21 M19X20 M19X19 M19X18) +M18X14->(M20X17 M19X16 M19X15 M19X14) +M18X15->(M20X13 M19X12 M19X11 M19X25) +M18X16->(M20X24 M19X23 M19X22 M19X21) +M18X17->(M20X20 M19X19 M19X18 M19X17) +M18X18->(M20X16 M19X15 M19X14 M19X13) +M18X19->(M20X12 M19X11 M19X25 M19X24) +M18X20->(M20X23 M19X22 M19X21 M19X20) +M18X21->(M20X19 M19X18 M19X17 M19X16) +M18X22->(M20X15 M19X14 M19X13 M19X12) +M18X23->(M20X11 M19X25 M19X24 M19X23) +M18X24->(M20X22 M19X21 M19X20 M19X19) +M18X25->(M20X18 M19X17 M19X16 M19X15) +M19X11->(M21X14 M20X13 M20X12 M20X11) +M19X12->(M21X25 M20X24 M20X23 M20X22) +M19X13->(M21X21 M20X20 M20X19 M20X18) +M19X14->(M21X17 M20X16 M20X15 M20X14) +M19X15->(M21X13 M20X12 M20X11 M20X25) +M19X16->(M21X24 M20X23 M20X22 M20X21) +M19X17->(M21X20 M20X19 M20X18 M20X17) +M19X18->(M21X16 M20X15 M20X14 M20X13) +M19X19->(M21X12 M20X11 M20X25 M20X24) +M19X20->(M21X23 M20X22 M20X21 M20X20) +M19X21->(M21X19 M20X18 M20X17 M20X16) +M19X22->(M21X15 M20X14 M20X13 M20X12) +M19X23->(M21X11 M20X25 M20X24 M20X23) +M19X24->(M21X22 M20X21 M20X20 M20X19) +M19X25->(M21X18 M20X17 M20X16 M20X15) +M20X11->(M22X14 M21X13 M21X12 M21X11) +M20X12->(M22X25 M21X24 M21X23 M21X22) +M20X13->(M22X21 M21X20 M21X19 M21X18) +M20X14->(M22X17 M21X16 M21X15 M21X14) +M20X15->(M22X13 M21X12 M21X11 M21X25) +M20X16->(M22X24 M21X23 M21X22 M21X21) +M20X17->(M22X20 M21X19 M21X18 M21X17) +M20X18->(M22X16 M21X15 M21X14 M21X13) +M20X19->(M22X12 M21X11 M21X25 M21X24) +M20X20->(M22X23 M21X22 M21X21 M21X20) +M20X21->(M22X19 M21X18 M21X17 M21X16) +M20X22->(M22X15 M21X14 M21X13 M21X12) +M20X23->(M22X11 M21X25 M21X24 M21X23) +M20X24->(M22X22 M21X21 M21X20 M21X19) +M20X25->(M22X18 M21X17 M21X16 M21X15) +M21X11->(M23X15 M22X14 M22X13 M22X12) +M21X12->(M11X11 M23X25 M22X24 M22X23 M22X22) +M21X13->(M23X21 M22X20 M22X19 M22X18) +M21X14->(M23X17 M22X16 M22X15 M22X14) +M21X15->(M23X13 M22X12 M22X11 M22X25) +M21X16->(M23X24 M22X23 M22X22 M22X21) +M21X17->(M23X20 M22X19 M22X18 M22X17) +M21X18->(M23X16 M22X15 M22X14 M22X13) +M21X19->(M23X12 M22X11 M22X25 M22X24) +M21X20->(M23X23 M22X22 M22X21 M22X20) +M21X21->(M23X19 M22X18 M22X17 M22X16) +M21X22->(M23X15 M22X14 M22X13 M22X12) +M21X23->(M23X11 M22X25 M22X24 M22X23) +M21X24->(M23X22 M22X21 M22X20 M22X19) +M21X25->(M23X18 M22X17 M22X16 M22X15) +M22X11->(M24X16 M23X15 M23X14 M23X13) +M22X12->(M12X12 M24X11 M23X25 M23X24 M23X23) +M22X13->(M24X22 M23X21 M23X20 M23X19) +M22X14->(M24X18 M23X17 M23X16 M23X15) +M22X15->(M24X14 M23X13 M23X12 M23X11) +M22X16->(M24X25 M23X24 M23X23 M23X22) +M22X17->(M24X21 M23X20 M23X19 M23X18) +M22X18->(M24X17 M23X16 M23X15 M23X14) +M22X19->(M24X13 M23X12 M23X11 M23X25) +M22X20->(M24X24 M23X23 M23X22 M23X21) +M22X21->(M24X20 M23X19 M23X18 M23X17) +M22X22->(M24X16 M23X15 M23X14 M23X13) +M22X23->(M24X12 M23X11 M23X25 M23X24) +M22X24->(M24X23 M23X22 M23X21 M23X20) +M22X25->(M24X19 M23X18 M23X17 M23X16) +M23X11->(M25X17 M24X16 M24X15 M24X14) +M23X12->(M13X13 M25X12 M24X11 M24X25 M24X24) +M23X13->(M25X23 M24X22 M24X21 M24X20) +M23X14->(M25X19 M24X18 M24X17 M24X16) +M23X15->(M25X15 M24X14 M24X13 M24X12) +M23X16->(M25X11 M24X25 M24X24 M24X23) +M23X17->(M25X22 M24X21 M24X20 M24X19) +M23X18->(M25X18 M24X17 M24X16 M24X15) +M23X19->(M25X14 M24X13 M24X12 M24X11) +M23X20->(M25X25 M24X24 M24X23 M24X22) +M23X21->(M25X21 M24X20 M24X19 M24X18) +M23X22->(M25X17 M24X16 M24X15 M24X14) +M23X23->(M25X13 M24X12 M24X11 M24X25) +M23X24->(M25X24 M24X23 M24X22 M24X21) +M23X25->(M25X20 M24X19 M24X18 M24X17) +M24X11->(M26X18 M25X17 M25X16 M25X15) +M24X12->(M14X14 M26X13 M25X12 M25X11 M25X25) +M24X13->(M26X24 M25X23 M25X22 M25X21) +M24X14->(M26X20 M25X19 M25X18 M25X17) +M24X15->(M26X16 M25X15 M25X14 M25X13) +M24X16->(M26X12 M25X11 M25X25 M25X24) +M24X17->(M26X23 M25X22 M25X21 M25X20) +M24X18->(M26X19 M25X18 M25X17 M25X16) +M24X19->(M26X15 M25X14 M25X13 M25X12) +M24X20->(M26X11 M25X25 M25X24 M25X23) +M24X21->(M26X22 M25X21 M25X20 M25X19) +M24X22->(M26X18 M25X17 M25X16 M25X15) +M24X23->(M26X14 M25X13 M25X12 M25X11) +M24X24->(M26X25 M25X24 M25X23 M25X22) +M24X25->(M26X21 M25X20 M25X19 M25X18) +M25X11->(M27X19 M26X18 M26X17 M26X16) +M25X12->(M15X15 M27X14 M26X13 M26X12 M26X11) +M25X13->(M27X25 M26X24 M26X23 M26X22) +M25X14->(M27X21 M26X20 M26X19 M26X18) +M25X15->(M27X17 M26X16 M26X15 M26X14) +M25X16->(M27X13 M26X12 M26X11 M26X25) +M25X17->(M27X24 M26X23 M26X22 M26X21) +M25X18->(M27X20 M26X19 M26X18 M26X17) +M25X19->(M27X16 M26X15 M26X14 M26X13) +M25X20->(M27X12 M26X11 M26X25 M26X24) +M25X21->(M27X23 M26X22 M26X21 M26X20) +M25X22->(M27X19 M26X18 M26X17 M26X16) +M25X23->(M27X15 M26X14 M26X13 M26X12) +M25X24->(M27X11 M26X25 M26X24 M26X23) +M25X25->(M27X22 M26X21 M26X20 M26X19) +M26X11->(M28X20 M27X19 M27X18 M27X17) +M26X12->(M16X16 M28X15 M27X14 M27X13 M27X12) +M26X13->(M28X11 M27X25 M27X24 M27X23) +M26X14->(M28X22 M27X21 M27X20 M27X19) +M26X15->(M28X18 M27X17 M27X16 M27X15) +M26X16->(M28X14 M27X13 M27X12 M27X11) +M26X17->(M28X25 M27X24 M27X23 M27X22) +M26X18->(M28X21 M27X20 M27X19 M27X18) +M26X19->(M28X17 M27X16 M27X15 M27X14) +M26X20->(M28X13 M27X12 M27X11 M27X25) +M26X21->(M28X24 M27X23 M27X22 M27X21) +M26X22->(M28X20 M27X19 M27X18 M27X17) +M26X23->(M28X16 M27X15 M27X14 M27X13) +M26X24->(M28X12 M27X11 M27X25 M27X24) +M26X25->(M28X23 M27X22 M27X21 M27X20) +M27X11->(M29X21 M28X20 M28X19 M28X18) +M27X12->(M17X17 M29X16 M28X15 M28X14 M28X13) +M27X13->(M29X12 M28X11 M28X25 M28X24) +M27X14->(M29X23 M28X22 M28X21 M28X20) +M27X15->(M29X19 M28X18 M28X17 M28X16) +M27X16->(M29X15 M28X14 M28X13 M28X12) +M27X17->(M29X11 M28X25 M28X24 M28X23) +M27X18->(M29X22 M28X21 M28X20 M28X19) +M27X19->(M29X18 M28X17 M28X16 M28X15) +M27X20->(M29X14 M28X13 M28X12 M28X11) +M27X21->(M29X25 M28X24 M28X23 M28X22) +M27X22->(M29X21 M28X20 M28X19 M28X18) +M27X23->(M29X17 M28X16 M28X15 M28X14) +M27X24->(M29X13 M28X12 M28X11 M28X25) +M27X25->(M29X24 M28X23 M28X22 M28X21) +M28X11->(M30X22 M29X21 M29X20 M29X19) +M28X12->(M18X18 M30X17 M29X16 M29X15 M29X14) +M28X13->(M30X13 M29X12 M29X11 M29X25) +M28X14->(M30X24 M29X23 M29X22 M29X21) +M28X15->(M30X20 M29X19 M29X18 M29X17) +M28X16->(M30X16 M29X15 M29X14 M29X13) +M28X17->(M30X12 M29X11 M29X25 M29X24) +M28X18->(M30X23 M29X22 M29X21 M29X20) +M28X19->(M30X19 M29X18 M29X17 M29X16) +M28X20->(M30X15 M29X14 M29X13 M29X12) +M28X21->(M30X11 M29X25 M29X24 M29X23) +M28X22->(M30X22 M29X21 M29X20 M29X19) +M28X23->(M30X18 M29X17 M29X16 M29X15) +M28X24->(M30X14 M29X13 M29X12 M29X11) +M28X25->(M30X25 M29X24 M29X23 M29X22) +M29X11->(M30X22 M30X21 M30X20) +M29X12->(M30X17 M30X16 M30X15) +M29X13->(M30X13 M30X12 M30X11) +M29X14->(M30X24 M30X23 M30X22) +M29X15->(M30X20 M30X19 M30X18) +M29X16->(M30X16 M30X15 M30X14) +M29X17->(M30X12 M30X11 M30X25) +M29X18->(M30X23 M30X22 M30X21) +M29X19->(M30X19 M30X18 M30X17) +M29X20->(M30X15 M30X14 M30X13) +M29X21->(M30X11 M30X25 M30X24) +M29X22->(M30X22 M30X21 M30X20) +M29X23->(M30X18 M30X17 M30X16) +M29X24->(M30X14 M30X13 M30X12) +M29X25->(M30X25 M30X24 M30X23) +M30X11 +M30X12 +M30X13 +M30X14 +M30X15 +M30X16 +M30X17 +M30X18 +M30X19 +M30X20 +M30X21 +M30X22 +M30X23 +M30X24 +M30X25 +xfail_output(glibc.rtld.dynamic_sort=1): M30X19>M30X15>M30X16>M30X11>M30X12>M30X17>M30X13>M30X14>M29X20>M30X23>M30X24>M30X20>M30X18>M29X15>M29X12>M30X22>M30X21>M29X22>M30X25>M29X19>M29X23>M29X16>M29X24>M29X13>M29X17>M29X18>M28X19>M29X21>M29X25>M29X14>M28X20>M28X15>M28X16>M28X21>M27X18>M29X11>M28X17>M28X11>M28X22>M27X14>M28X18>M27X15>M28X13>M27X11>M28X23>M27X25>M28X14>M28X25>M27X23>M27X22>M28X24>M27X21>M27X13>M27X19>M27X17>M26X11>M26X23>M26X21>M26X22>M26X20>M26X16>M25X21>M17X22>M15X15>M20X14>M20X16>M18X18>M28X12>M27X24>M25X17>M27X20>M26X18>M26X17>M27X16>M26X19>M25X18>M26X24>M25X20>M24X17>M23X18>M25X13>M26X13>M17X23>M16X16>M26X12>M25X12>M26X15>M24X19>M25X23>M25X24>M25X25>M24X20>M25X19>M24X21>M23X17>M22X21>M24X14>M23X22>M24X24>M22X20>M24X13>M25X11>M24X12>M25X15>M23X15>M25X16>M24X22>M23X13>M24X18>M23X14>M22X22>M21X20>M24X25>M23X16>M22X25>M21X19>M22X14>M23X11>M22X15>M21X18>M22X19>M21X17>M20X17>M19X17>M21X24>M21X12>M20X22>M19X16>M18X25>M19X21>M19X20>M18X24>M20X12>M19X11>M23X20>M22X24>M22X16>M21X21>M25X14>M23X19>M23X24>M20X24>M19X12>M18X15>M17X14>M16X18>M14X25>M16X22>M16X20>M17X17>M22X12>M21X11>M20X15>M18X22>M19X24>M19X18>M18X21>M17X16>M17X18>M16X21>M15X20>M19X22>M18X20>M18X11>M17X19>M16X17>M15X21>M16X14>M16X13>M15X22>M14X20>M17X25>M16X19>M14X21>M13X24>M12X12>M16X24>M15X23>M14X16>M16X15>M15X25>M15X11>M15X12>M14X15>M13X14>M14X22>M13X20>M12X13>M11X11>M22X23>M21X15>M21X16>M20X21>M20X20>M18X17>M19X25>M18X23>M21X13>M15X17>M15X18>M18X19>M17X24>M16X12>M17X13>M20X25>M19X23>M15X19>M14X13>M13X18>M15X13>M17X12>M16X11>M18X13>M18X12>M14X11>M14X24>M13X19>M15X14>M17X20>M20X11>M20X13>M21X14>M15X24>M14X12>M13X22>M14X23>M13X23>M14X19>M17X15>M16X25>M17X11>M18X14>M19X19>M21X25>M13X12>M13X11>M14X18>M13X13>M12X11>M15X16>M14X14>M27X12>M17X21>M20X23>M22X13>M21X22>M24X16>M24X15>M26X25>M23X25>M26X14>M23X12>M22X18>M24X11>M16X23>M19X14>M19X13>M21X23>M22X17>M23X23>M23X21>M25X22>M18X16>M19X15>M20X18>M20X19>M22X11>M24X23>C156>C118>C143>C137>C147>C106>C168>C113>C163>C155>C105>C146>C187>A150>C139>C180>C164>C193>C157>A191>C158>B188>A159>C184>C121>C154>B171>A105>C131>C104>B104>C161>C111>B145>C160>B155>A163>C112>C142>B148>C133>B198>A198>A115>C114>B157>A156>C175>B144>A120>C173>B184>A174>C126>B107>A139>C194>B194>A194>C116>B116>C166>B160>B110>A110>C128>B128>A128>C179>B162>A154>C186>B187>A179>C124>B181>A101>C153>B158>A136>C135>C176>A192>B133>A133>C177>B177>A177>C185>C103>B141>A141>C183>A162>C192>C129>B179>C144>B124>B183>C127>B127>A127>B108>A112>B153>A153>C167>B167>A186>A122>C162>A144>B149>C174>B131>A185>C141>B106>A126>A167>C140>B122>A170>C198>B143>C117>C123>B123>A147>A106>C200>B169>C191>B175>A123>B118>A182>C132>B151>A145>A104>A109>C159>C150>B119>A119>A178>B164>B114>A164>C181>A102>C122>B134>A157>A116>C195>B191>B111>C172>B172>A118>B129>A129>C149>A107>C170>B197>A197>A173>B168>A132>C107>B165>A160>A131>C188>A168>B109>C178>A189>A148>C119>C190>C120>B166>B176>C108>B135>B139>A103>B178>A169>B132>C125>C138>B163>A111>B170>C110>A165>C151>C169>C199>A138>C182>A135>B101>B142>C101>C148>B193>B152>A158>A199>C136>B137>A161>B120>A108>A149>A125>B113>A184>C171>A134>A175>A124>B150>B161>B102>A146>A187>C130>B192>B200>A200>A142>A183>C102>B105>B156>A176>C165>B147>A137>A196>B190>A190>B125>C134>C189>B126>B186>A166>B136>B195>A195>B154>B138>B112>B173>A117>B159>B182>A181>A140>C145>B117>A152>A193>C197>B130>A172>A113>A151>B115>A143>B140>B185>B103>A121>A180>A130>A171>B199>C196>B146>B180>C115>B174>B121>A188>B196>B189>C152>C109>A155>A114>M14X17>M13X15>M13X16>M13X17>M12X17>M12X21>M12X25>M12X14>M13X25>M12X15>M13X21>M12X16>M12X18>M12X19>M12X20>M12X22>M12X23>M12X24>M11X25>M11X24>M11X23>M11X22>M11X21>M11X20>M11X19>M11X18>M11X17>M11X16>M11X15>M11X14>M11X13>M11X12>{}M30X15>M30X16>M30X11>M30X12>M30X17>M30X13>M30X14>M29X20>M30X23>M30X24>M30X20>M30X18>M29X15>M29X12>M30X22>M30X21>M29X22>M30X25>M29X19>M29X23>M29X16>M29X24>M29X13>M29X17>M29X18>M28X19>M29X21>M29X25>M29X14>M28X20>M28X15>M28X16>M28X21>M27X18>M29X11>M28X17>M28X11>M28X22>M28X24>M28X23>M27X21>M28X13>M27X20>M27X19>M26X14>M27X25>M28X18>M27X11>M28X25>M27X24>M26X24>M27X15>M27X14>M27X13>M26X23>M27X17>M26X22>M25X13>M28X14>M27X16>M26X19>M26X18>M27X23>M27X22>M26X17>M25X18>M26X21>M25X17>M26X20>M26X15>M26X13>M25X19>M24X14>M25X23>M26X11>M26X25>M25X16>M25X15>M24X22>M25X21>M25X20>M24X21>M25X25>M25X24>M24X20>M23X13>M22X15>M25X14>M24X19>M23X17>M24X25>M23X24>M24X13>M23X15>M24X18>M23X14>M22X11>M24X15>M23X22>M24X11>M23X19>M22X21>M24X24>M23X21>M22X20>M23X25>M22X19>M21X24>M20X23>M22X22>M25X11>M23X16>M22X18>M23X20>M22X17>M21X21>M21X20>M20X24>M22X14>M22X13>M21X11>M21X17>M22X23>M21X16>M20X25>M19X23>M18X16>M21X22>M20X20>M20X19>M21X13>M20X18>M19X13>M21X18>M20X21>M19X24>M18X12>M20X14>M20X13>M22X25>M20X12>M20X15>M19X14>M18X22>M19X18>M20X17>M19X17>M19X16>M18X21>M17X20>M19X19>M18X13>M17X11>M18X17>M19X25>M18X15>M17X25>M18X19>M17X24>M16X19>M15X17>M17X21>M16X24>M18X23>M17X16>M16X25>M19X15>M18X25>M17X23>M16X23>M15X23>M18X14>M17X14>M16X14>M17X18>M16X13>M17X22>M16X12>M15X22>M14X16>M17X12>M16X22>M15X12>M16X11>M15X11>M16X15>M15X25>M14X15>M13X14>M15X18>M16X21>M15X16>M14X21>M15X14>M16X20>M15X13>M14X22>M15X20>M14X20>M13X20>M14X11>M15X19>M14X24>M13X19>M14X13>M13X18>M12X13>M15X24>M14X23>M13X12>M14X12>M13X11>M12X11>M11X11>M21X12>M20X11>M19X11>M18X11>M17X15>M16X18>M14X25>M14X19>M13X24>M13X23>M13X22>M12X12>M22X12>M21X15>M19X22>M18X20>M16X17>M14X14>M24X12>M23X23>M22X16>M21X14>M20X22>M18X24>M16X16>M26X12>M24X16>M23X11>M21X23>M19X20>M17X17>M27X12>M26X16>M25X22>M24X17>M23X18>M21X25>M19X12>M17X19>M15X21>M14X18>M13X13>M23X12>M21X19>M19X21>M17X13>M15X15>M25X12>M24X23>M22X24>M20X16>M18X18>M28X12>A150>C158>B112>A112>C167>B146>A146>C180>B180>A180>C143>B143>A115>C126>B126>A126>C190>B190>A190>C138>B138>A138>C174>B174>A102>C122>B122>A122>C162>B162>A162>C142>B142>A142>C102>B102>A174>C176>B176>A176>C115>B115>A143>C172>B172>A172>C187>B187>A187>C130>B130>A130>C118>B118>A118>C184>B184>A184>C171>B171>A171>C168>B182>A182>C182>B168>A168>C109>B109>A109>C159>B159>A159>C134>B134>A134>C146>B167>A167>C140>B140>A140>C163>B163>A163>C112>B158>A158>C164>B164>A164>C131>B131>A131>C188>B188>A188>C199>B199>A199>C114>B114>A114>C106>B106>A106>C200>B200>A200>C183>B183>A183>C152>B152>A152>C147>B147>A147>C150>B150>A198>C144>B144>A144>C191>B191>A191>C108>B108>A108>C139>B139>A139>C194>B194>A194>C166>B166>A166>C120>B120>A120>C123>B123>A123>C132>B132>A132>C107>B107>A107>C170>B170>A170>C198>B198>A156>C125>B125>A125>C121>B121>A121>C193>B193>A193>C197>B197>A197>C175>B175>A175>C196>B196>A196>C105>B105>A105>C181>B181>A181>C113>B113>A113>C137>B137>A137>C155>B155>A155>C156>B156>A110>C128>B128>A128>C179>B179>A179>C124>B124>A124>C151>B151>A151>C178>B178>A178>C104>B104>A104>C111>B111>A111>C148>B148>A148>C169>B169>A169>C129>B129>A129>C149>B149>A149>C189>B189>A189>C119>B119>A119>C154>B154>A154>C136>B136>A136>C135>B135>A135>C116>B116>A116>C145>B145>A145>C161>B161>A161>C173>B173>A173>C157>B157>A157>C195>B195>A195>C186>B186>A186>C160>B160>A160>C153>B153>A153>C117>B117>A117>C165>B165>A165>C101>B101>A101>C103>B103>A103>C192>B192>A192>C177>B177>A177>C185>B185>A185>C141>B141>A141>C133>B133>A133>C127>B127>A127>C110>B110>M14X17>M13X15>M13X16>M13X17>M12X17>M12X21>M12X25>M12X14>M13X25>M12X15>M13X21>M12X16>M12X18>M12X19>M12X20>M12X22>M12X23>M12X24>M11X25>M11X24>M11X23>M11X22>M11X21>M11X20>M11X19>M11X18>M11X17>M11X16>M11X15>M11X14>M11X13>M11X12>{}