From 64225aea8f9ea92bd4189acceead272f498981b8 Mon Sep 17 00:00:00 2001 From: Georgii Rymar Date: Tue, 26 Nov 2019 15:29:30 +0300 Subject: [PATCH] [llvm-readobj][test] - Cleanup the many-sections.s test case. It removes 2 precompiled binaries used which are now can be crafted with the use of yaml2obj. Differential revision: https://reviews.llvm.org/D70711 --- .../Inputs/many-sections-stripped.elf-x86_64 | Bin 504 -> 0 bytes .../llvm-readobj/Inputs/many-sections.elf-x86_64 | Bin 504 -> 0 bytes llvm/test/tools/llvm-readobj/many-sections.s | 74 +++++++++++++-------- 3 files changed, 47 insertions(+), 27 deletions(-) delete mode 100644 llvm/test/tools/llvm-readobj/Inputs/many-sections-stripped.elf-x86_64 delete mode 100644 llvm/test/tools/llvm-readobj/Inputs/many-sections.elf-x86_64 diff --git a/llvm/test/tools/llvm-readobj/Inputs/many-sections-stripped.elf-x86_64 b/llvm/test/tools/llvm-readobj/Inputs/many-sections-stripped.elf-x86_64 deleted file mode 100644 index a589dc5d6a9c5ed4ea6c4d2d1e04179ebc4f43c0..0000000000000000000000000000000000000000 GIT binary patch literal 0 HcmV?d00001 literal 504 zcmb<-^>JfjWMqH=Mg}_u1P>;PN;`nLAoBlzFcSyCjKw67*#cO^8T3k0D@qvjiYs$V z5|e;*MsZ0Igax4);)_cXi%M`0b#|1hWsO2VFk^I$RW4 diff --git a/llvm/test/tools/llvm-readobj/Inputs/many-sections.elf-x86_64 b/llvm/test/tools/llvm-readobj/Inputs/many-sections.elf-x86_64 deleted file mode 100644 index 1abb98a01b845630a8b8f5b20410da22bda9f330..0000000000000000000000000000000000000000 GIT binary patch literal 0 HcmV?d00001 literal 504 zcmb<-^>JfjWMqH=Mg}_u1P><4z_0_sWN-kpLFE7cU?vWN8H-6Evjwn-Gw7A1R+KR4 z6<6k#BqjmrjN+0a2n#|p#21$&7M0+z3PYF`D#DB*0}%kZ1BBVorXFfI#>0j1f2 zG!vQ_i0c3q^MKMIeIRulP`(6|<_FT)+|~h=SA^0q3glK~APMAP)4vj`2xcEl54wH; DhwBv) diff --git a/llvm/test/tools/llvm-readobj/many-sections.s b/llvm/test/tools/llvm-readobj/many-sections.s index b2050c7..ae7ce34 100644 --- a/llvm/test/tools/llvm-readobj/many-sections.s +++ b/llvm/test/tools/llvm-readobj/many-sections.s @@ -1,37 +1,57 @@ -## many-sections.elf-x86_64 is a file that was generated to simulate -## an object with more than ~65k sections. When an ELF object -## has SHN_LORESERVE (0xff00) or more sections, its e_shnum field +## Here we simulate an object with more than ~65k sections and check how we dump it. +## When an ELF object has SHN_LORESERVE (0xff00) or more sections, its e_shnum field ## should be zero and sh_size of the section header at index 0 is used ## to store the value. If the section name string table section index is ## greater than or equal to SHN_LORESERVE, then e_shstrndx field ## should have the value of SHN_XINDEX and sh_link of the section header ## at index 0 is used to store the value. -## -## many-sections.elf-x86_64 has few sections to save disk -## space, but its e_shnum, e_shstrndx, sh_size and sh_link fields are set -## according to the above description, so that we can test the dumper. - -# RUN: llvm-readelf --file-headers -S %p/Inputs/many-sections.elf-x86_64 | \ -# RUN: FileCheck %s --check-prefix=GNU1 -# GNU1: Number of section headers: 0 (5) -# GNU1: Section header string table index: 65535 (3) -# GNU1: There are 5 section headers, starting at offset 0xb8 - -# RUN: llvm-readobj --file-headers %p/Inputs/many-sections.elf-x86_64 | \ -# RUN: FileCheck %s --check-prefix=LLVM1 -# LLVM1: SectionHeaderCount: 0 (5) -# LLVM1: StringTableSectionIndex: 65535 (3) - -## many-sections-stripped.elf-x86_64 is many-sections.elf-x86_64 with -## e_shoff field set to zero, but not e_shstrndx, to show that -## this corrupt case is handled correctly. - -# RUN: llvm-readelf --file-headers %p/Inputs/many-sections-stripped.elf-x86_64 | \ -# RUN: FileCheck %s --check-prefix=GNU2 + +# RUN: yaml2obj --docnum=1 %s -o %t1 +# RUN: llvm-readelf --file-headers -S %t1 | FileCheck %s --check-prefix=GNU1 +# GNU1: Number of section headers: 0 (3) +# GNU1: Section header string table index: 65535 (2) +# GNU1: There are 3 section headers, starting at offset 0x58 + +# RUN: llvm-readobj --file-headers %t1 | FileCheck %s --check-prefix=LLVM1 +# LLVM1: SectionHeaderCount: 0 (3) +# LLVM1: StringTableSectionIndex: 65535 (2) + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_REL + Machine: EM_X86_64 + SHNum: 0 + SHStrNdx: 0xffff ## SHN_XINDEX +Sections: + - Type: SHT_NULL + Link: .shstrtab + Size: 0x3 + +## Another case is when e_shoff field set to zero, but not e_shstrndx. +## We want to show that this corrupt case is handled correctly. + +# RUN: yaml2obj --docnum=2 %s -o %t2 + +# RUN: llvm-readelf --file-headers %t2 | FileCheck %s --check-prefix=GNU2 # GNU2: Number of section headers: 0 # GNU2: Section header string table index: 65535 (corrupt: out of range) -# RUN: llvm-readobj --file-headers %p/Inputs/many-sections-stripped.elf-x86_64 | \ -# RUN: FileCheck %s --check-prefix=LLVM2 +# RUN: llvm-readobj --file-headers %t2 | FileCheck %s --check-prefix=LLVM2 # LLVM2: SectionHeaderCount: 0 # LLVM2: StringTableSectionIndex: 65535 (corrupt: out of range) + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_REL + Machine: EM_X86_64 + SHOff: 0 + SHNum: 0 + SHStrNdx: 0xffff ## SHN_XINDEX +Sections: + - Type: SHT_NULL + Link: .shstrtab + Size: 0x3 -- 2.7.4