## A user should be able to specify any arbitrary string table as the section ## header string table, including the symbol string table. This test covers ## various cases to do with this. ## Case 1: custom name specified for string table. # RUN: yaml2obj --docnum=1 %s -o %t1 -DSHSTRTAB=.strings # RUN: llvm-readelf -S -p .strings %t1 | FileCheck %s --check-prefix=CASE1 # CASE1: There are 5 section headers # CASE1-EMPTY: # CASE1-NEXT: Section Headers: # CASE1-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE1-NEXT: [ 0] NULL # CASE1-NEXT: [ 1] .foo{{ }} # CASE1-NEXT: [ 2] .bar{{ }} # CASE1-NEXT: [ 3] .strtab{{ }} # CASE1-NEXT: [ 4] .strings STRTAB 0000000000000000 [[#%x,]] 00001c 00 0 0 1 # CASE1: String dump of section '.strings': # CASE1-NEXT: [ 1] .strings{{$}} # CASE1-NEXT: [ a] .bar{{$}} # CASE1-NEXT: [ f] .foo{{$}} # CASE1-NEXT: [ 14] .strtab{{$}} # CASE1-EMPTY: --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC SectionHeaderStringTable: [[SHSTRTAB=]] Sections: - Name: .foo Type: SHT_PROGBITS - Name: [[OTHER=.bar]] Type: SHT_PROGBITS ## Case 2: reuse symbol string table. # RUN: yaml2obj --docnum=2 %s -o %t2 -DSHSTRTAB=.strtab # RUN: llvm-readelf -S -s -p .strtab %t2 | FileCheck %s --check-prefix=CASE2 # CASE2: There are 5 section headers # CASE2-EMPTY: # CASE2-NEXT: Section Headers: # CASE2-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE2-NEXT: [ 0] NULL # CASE2-NEXT: [ 1] .foo{{ }} # CASE2-NEXT: [ 2] .bar{{ }} # CASE2-NEXT: [ 3] .symtab{{ }} # CASE2-NEXT: [ 4] .strtab STRTAB 0000000000000000 [[#%x,]] 000023 00 0 0 1 # CASE2: Symbol table '.symtab' contains 3 entries: # CASE2-NEXT: Num: {{.*}} Ndx Name # CASE2-NEXT: 0: {{.*}} UND {{$}} # CASE2-NEXT: 1: {{.*}} baz{{$}} # CASE2-NEXT: 2: {{.*}} bob{{$}} # CASE2: String dump of section '.strtab': # CASE2-NEXT: [ 1] baz{{$}} # CASE2-NEXT: [ 5] .bar{{$}} # CASE2-NEXT: [ a] .foo{{$}} # CASE2-NEXT: [ f] bob{{$}} # CASE2-NEXT: [ 13] .strtab{{$}} # CASE2-NEXT: [ 1b] .symtab{{$}} # CASE2-EMPTY: --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC SectionHeaderStringTable: [[SHSTRTAB]] Sections: - Name: .foo Type: SHT_PROGBITS - Name: .bar Type: SHT_PROGBITS Symbols: - Name: baz - Name: bob ## Case 3: reuse dynamic string table. # RUN: yaml2obj --docnum=3 %s -o %t3 -DSHSTRTAB=.dynstr # RUN: llvm-readelf -S --dyn-syms -p .dynstr %t3 | FileCheck %s --check-prefix=CASE3 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC SectionHeaderStringTable: [[SHSTRTAB]] Sections: - Name: .foo Type: SHT_PROGBITS - Name: .bar Type: SHT_PROGBITS DynamicSymbols: - Name: baz - Name: bob # CASE3: There are 6 section headers # CASE3-EMPTY: # CASE3-NEXT: Section Headers: # CASE3-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE3-NEXT: [ 0] NULL # CASE3-NEXT: [ 1] .foo{{ }} # CASE3-NEXT: [ 2] .bar{{ }} # CASE3-NEXT: [ 3] .dynsym{{ }} # CASE3-NEXT: [ 4] .dynstr STRTAB 0000000000000048 [[#%x,]] 00002b 00 A 0 0 1 # CASE3-NEXT: [ 5] .strtab{{ }} # CASE3: Symbol table '.dynsym' contains 3 entries: # CASE3-NEXT: Num: {{.*}} Ndx Name # CASE3-NEXT: 0: {{.*}} UND {{$}} # CASE3-NEXT: 1: {{.*}} baz{{$}} # CASE3-NEXT: 2: {{.*}} bob{{$}} # CASE3: String dump of section '.dynstr': # CASE3-NEXT: [ 1] baz{{$}} # CASE3-NEXT: [ 5] .dynstr{{$}} # CASE3-NEXT: [ d] .bar{{$}} # CASE3-NEXT: [ 12] .foo{{$}} # CASE3-NEXT: [ 17] .dynsym{{$}} # CASE3-NEXT: [ 1f] bob{{$}} # CASE3-NEXT: [ 23] .strtab{{$}} # CASE3-EMPTY: ## Case 4: shstrtab specified to be otherwise ungenerated non-strtab implicit ## section. # RUN: yaml2obj --docnum=1 %s -o %t4 -DSHSTRTAB=.symtab # RUN: llvm-readelf -S -p .symtab %t4 | FileCheck %s --check-prefix=CASE4 # CASE4: There are 5 section headers # CASE4-EMPTY: # CASE4-NEXT: Section Headers: # CASE4-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE4-NEXT: [ 0] NULL # CASE4-NEXT: [ 1] .foo{{ }} # CASE4-NEXT: [ 2] .bar{{ }} # CASE4-NEXT: [ 3] .strtab{{ }} # CASE4-NEXT: [ 4] .symtab STRTAB 0000000000000000 [[#%x,]] 00001b 00 0 0 1 # CASE4: String dump of section '.symtab': # CASE4-NEXT: [ 1] .bar{{$}} # CASE4-NEXT: [ 6] .foo{{$}} # CASE4-NEXT: [ b] .strtab{{$}} # CASE4-NEXT: [ 13] .symtab{{$}} ## Case 5: shstrtab specified to be otherwise ungenerated .dynstr section. In ## this case, the SHF_ALLOC flag will be set. # RUN: yaml2obj --docnum=1 %s -o %t5 -DSHSTRTAB=.dynstr # RUN: llvm-readelf -S -p .dynstr %t5 | FileCheck %s --check-prefix=CASE5 # CASE5: There are 5 section headers # CASE5-EMPTY: # CASE5-NEXT: Section Headers: # CASE5-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE5-NEXT: [ 0] NULL # CASE5-NEXT: [ 1] .foo{{ }} # CASE5-NEXT: [ 2] .bar{{ }} # CASE5-NEXT: [ 3] .strtab{{ }} # CASE5-NEXT: [ 4] .dynstr STRTAB 0000000000000001 [[#%x,]] 00001b 00 A 0 0 1 # CASE5: String dump of section '.dynstr': # CASE5-NEXT: [ 1] .dynstr{{$}} # CASE5-NEXT: [ 9] .bar{{$}} # CASE5-NEXT: [ e] .foo{{$}} # CASE5-NEXT: [ 13] .strtab{{$}} ## Case 6: shstrtab specified to be otherwise ungenerated .debug_str section. In ## this case, the sh_entsize will be set to 1. # RUN: yaml2obj --docnum=1 %s -o %t6 -DSHSTRTAB=.debug_str # RUN: llvm-readelf -S -p .debug_str %t6 | FileCheck %s --check-prefix=CASE6 # CASE6: There are 5 section headers # CASE6-EMPTY: # CASE6-NEXT: Section Headers: # CASE6-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE6-NEXT: [ 0] NULL # CASE6-NEXT: [ 1] .foo{{ }} # CASE6-NEXT: [ 2] .bar{{ }} # CASE6-NEXT: [ 3] .strtab{{ }} # CASE6-NEXT: [ 4] .debug_str STRTAB 0000000000000000 [[#%x,]] 00001e 01 0 0 1 # CASE6: String dump of section '.debug_str': # CASE6-NEXT: [ 1] .debug_str{{$}} # CASE6-NEXT: [ c] .bar{{$}} # CASE6-NEXT: [ 11] .foo{{$}} # CASE6-NEXT: [ 16] .strtab{{$}} ## Case 7: shstrtab specified to be the .symtab section, when there are symbols. ## This triggers an error (since the symbols cannot be represented in the ## section as section names). # RUN: not yaml2obj --docnum=2 %s -o %t7 -DSHSTRTAB=.symtab 2>&1 | FileCheck %s --check-prefix=ERR1 # ERR1: error: cannot use '.symtab' as the section header name table when there are symbols ## Case 8: shstrtab specified to be the .dynsym section, when there are dynamic ## symbols. This triggers an error (since the symbols cannot be represented in ## the section as section names). # RUN: not yaml2obj --docnum=3 %s -o %t8 -DSHSTRTAB=.dynsym 2>&1 | FileCheck %s --check-prefix=ERR2 # ERR2: error: cannot use '.dynsym' as the section header name table when there are dynamic symbols ## Case 9: shstrtab specified to be the .debug_str section, when there are DWARF ## debug strings. This triggers an error. # RUN: not yaml2obj --docnum=4 %s -o %t9 2>&1 | FileCheck %s --check-prefix=ERR3 # ERR3: error: cannot use '.debug_str' as the section header name table when it is needed for DWARF output --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC SectionHeaderStringTable: .debug_str DWARF: debug_str: - a ## Case 10: can explicitly specifiy ".shstrtab" as shstrtab. Output will be the ## same as if it wasn't sepcified at all. # RUN: yaml2obj --docnum=1 %s -o %t10 -DSHSTRTAB=.shstrtab # RUN: llvm-readelf -S -p .shstrtab %t10 | FileCheck %s --check-prefix=CASE10 # RUN: yaml2obj --docnum=1 %s -o %t10.default # RUN: cmp %t10 %t10.default # CASE10: There are 5 section headers # CASE10-EMPTY: # CASE10-NEXT: Section Headers: # CASE10-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE10-NEXT: [ 0] NULL # CASE10-NEXT: [ 1] .foo{{ }} # CASE10-NEXT: [ 2] .bar{{ }} # CASE10-NEXT: [ 3] .strtab{{ }} # CASE10-NEXT: [ 4] .shstrtab STRTAB 0000000000000000 [[#%x,]] 00001d 00 0 0 1 # CASE10: String dump of section '.shstrtab': # CASE10-NEXT: [ 1] .bar{{$}} # CASE10-NEXT: [ 6] .foo{{$}} # CASE10-NEXT: [ b] .shstrtab{{$}} # CASE10-NEXT: [ 15] .strtab{{$}} # CASE10-EMPTY: ## Case 11: can specify custom shstrtab properties. ## FIXME: when the section is listed explicitly, the sh_addralign value is 0 if ## not overwritten, which is inconsistent with when the section is not ## specified at all. # RUN: yaml2obj --docnum=5 %s -o %t11 -DENTSIZE=2 # RUN: llvm-readelf -S -p .strings %t11 | FileCheck %s --check-prefix=CASE11 # CASE11: There are 5 section headers # CASE11-EMPTY: # CASE11-NEXT: Section Headers: # CASE11-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE11-NEXT: [ 0] NULL # CASE11-NEXT: [ 1] .foo{{ }} # CASE11-NEXT: [ 2] .strings STRTAB 0000000000000000 [[#%x,]] 00001c 02 0 0 0 # CASE11-NEXT: [ 3] .bar{{ }} # CASE11-NEXT: [ 4] .strtab{{ }} # CASE11: String dump of section '.strings': # CASE11-NEXT: [ 1] .strings{{$}} # CASE11-NEXT: [ a] .bar{{$}} # CASE11-NEXT: [ f] .foo{{$}} # CASE11-NEXT: [ 14] .strtab{{$}} # CASE11-EMPTY: --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC SectionHeaderStringTable: .strings Sections: - Name: .foo Type: SHT_PROGBITS - Name: .strings Type: [[TYPE=SHT_STRTAB]] EntSize: [[ENTSIZE=]] Size: [[SIZE=]] Content: [[CONTENT=]] - Name: .bar Type: SHT_PROGBITS ## Case 12: shstrtab does not have SHT_STRTAB type. Default properties will be ## derived from the specified section type. # RUN: yaml2obj --docnum=5 %s -o %t12 -DTYPE=SHT_RELA # RUN: llvm-readelf -S %t12 | FileCheck %s --check-prefix=CASE12 # CASE12: There are 5 section headers # CASE12-EMPTY: # CASE12-NEXT: Section Headers: # CASE12-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE12-NEXT: [ 0] NULL # CASE12-NEXT: [ 1] .foo{{ }} # CASE12-NEXT: [ 2] .strings RELA 0000000000000000 [[#%x,]] 00001c 18 0 0 0 # CASE12-NEXT: [ 3] .bar{{ }} # CASE12-NEXT: [ 4] .strtab{{ }} ## Case 13: shstrtab has specified Content. The specified content overrides the ## implicitly generated content. # RUN: yaml2obj --docnum=5 %s -o %t13 -DCONTENT="00616263646566676800696a6b6c006d6e6f70007172737475767700787a7b7c00" # RUN: llvm-readelf -S %t13 | FileCheck %s --check-prefix=CASE13 # CASE13: There are 5 section headers # CASE13-EMPTY: # CASE13-NEXT: Section Headers: # CASE13-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE13-NEXT: [ 0] NULL # CASE13-NEXT: [ 1] mnop{{ }} # CASE13-NEXT: [ 2] abcdefgh STRTAB 0000000000000000 [[#%x,]] 000021 00 0 0 0 # CASE13-NEXT: [ 3] ijkl{{ }} # CASE13-NEXT: [ 4] qrstuvw{{ }} ## Case 14: shstrtab has specified Size. The section will be filled with zeros ## to the requested size. # RUN: yaml2obj --docnum=5 %s -o %t14 -DSIZE=32 # RUN: llvm-readelf -S -p 2 %t14 | FileCheck %s --check-prefix=CASE14 # CASE14: There are 5 section headers # CASE14-EMPTY: # CASE14-NEXT: Section Headers: # CASE14-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE14-NEXT: [ 0] NULL # CASE14-NEXT: [ 1] PROGBITS # CASE14-NEXT: [ 2] STRTAB 0000000000000000 [[#%x,]] 000020 00 0 0 0 # CASE14-NEXT: [ 3] PROGBITS # CASE14-NEXT: [ 4] STRTAB # CASE14: String dump of section '': # CASE14-EMPTY: ## Case 15: custom shstrtab and no section header table. The section header ## names shouldn't appear anywhere in the output file. # RUN: yaml2obj --docnum=6 %s -o %t15 # RUN: FileCheck %s --input-file=%t15 \ # RUN: --implicit-check-not=.strings --implicit-check-not=.foo \ # RUN: --implicit-check-not=.bar --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC SectionHeaderStringTable: .strings Sections: - Name: .foo Type: SHT_PROGBITS - Name: .bar Type: SHT_PROGBITS - Type: SectionHeaderTable NoHeaders: true ## Case 16: custom shstrtab can be reordered in the section header table. # RUN: yaml2obj --docnum=7 %s -o %t16 # RUN: llvm-readelf -S %t16 | FileCheck %s --check-prefix=CASE16 # CASE16: There are 5 section headers # CASE16-EMPTY: # CASE16-NEXT: Section Headers: # CASE16-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE16-NEXT: [ 0] NULL # CASE16-NEXT: [ 1] .foo{{ }} # CASE16-NEXT: [ 2] .strings STRTAB 0000000000000000 [[#%x,]] 00001c 00 0 0 1 # CASE16-NEXT: [ 3] .bar{{ }} # CASE16-NEXT: [ 4] .strtab{{ }} --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC SectionHeaderStringTable: .strings Sections: - Name: .foo Type: SHT_PROGBITS - Name: .bar Type: SHT_PROGBITS - Type: SectionHeaderTable Sections: - Name: .foo - Name: .strings - Name: .bar - Name: .strtab ## Case 17: custom shstrtab section header can be excluded. # RUN: yaml2obj --docnum=8 %s -o %t17 # RUN: llvm-readelf -h -S %t17 | FileCheck %s --check-prefix=CASE17 # CASE17: Section header string table index: 0 # CASE17: There are 4 section headers # CASE17-EMPTY: # CASE17-NEXT: Section Headers: # CASE17-NEXT: [Nr] Name Type # CASE17-NEXT: [ 0] NULL # CASE17-NEXT: [ 1] PROGBITS # CASE17-NEXT: [ 2] PROGBITS # CASE17-NEXT: [ 3] STRTAB --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC SectionHeaderStringTable: .strings Sections: - Name: .foo Type: SHT_PROGBITS - Name: .bar Type: SHT_PROGBITS - Type: SectionHeaderTable Sections: - Name: .foo - Name: .bar - Name: .strtab Excluded: - Name: .strings ## Case 18: section name for excluded section does not appear in custom ## shstrtab. # RUN: yaml2obj --docnum=9 %s -o %t18 # RUN: llvm-readelf -S -p .strings %t18 | FileCheck %s --check-prefix=CASE18 # CASE18: There are 4 section headers # CASE18-EMPTY: # CASE18-NEXT: Section Headers: # CASE18-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE18-NEXT: [ 0] NULL # CASE18-NEXT: [ 1] .foo{{ }} # CASE18-NEXT: [ 2] .strings STRTAB 0000000000000000 [[#%x,]] 000017 00 0 0 1 # CASE18-NEXT: [ 3] .strtab{{ }} # CASE18: String dump of section '.strings': # CASE18-NEXT: [ 1] .strings # CASE18-NEXT: [ a] .foo # CASE18-NEXT: [ f] .strtab # CASE18-EMPTY: --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC SectionHeaderStringTable: .strings Sections: - Name: .foo Type: SHT_PROGBITS - Name: .bar Type: SHT_PROGBITS - Type: SectionHeaderTable Sections: - Name: .foo - Name: .strings - Name: .strtab Excluded: - Name: .bar ## Case 19: custom shstrtab can have a uniqued name. # RUN: yaml2obj --docnum=1 %s -o %t19 '-DSHSTRTAB=.strings (1)' '-DOTHER=.strings (0)' # RUN: llvm-readelf -S -p 4 %t19 | FileCheck %s --check-prefix=CASE19 # CASE19: There are 5 section headers # CASE19-EMPTY: # CASE19-NEXT: Section Headers: # CASE19-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE19-NEXT: [ 0] NULL # CASE19-NEXT: [ 1] .foo{{ }} # CASE19-NEXT: [ 2] .strings PROGBITS # CASE19-NEXT: [ 3] .strtab{{ }} # CASE19-NEXT: [ 4] .strings STRTAB 0000000000000000 [[#%x,]] 000017 00 0 0 1 # CASE19: String dump of section '.strings': # CASE19-NEXT: [ 1] .strings{{$}} # CASE19-NEXT: [ a] .foo{{$}} # CASE19-NEXT: [ f] .strtab{{$}} # CASE19-EMPTY: ## Case 20: custom shstrtab named ".strtab" with uniquifying ID. # RUN: yaml2obj --docnum=2 %s -o %t20 '-DSHSTRTAB=.strtab (1)' # RUN: llvm-readelf -S -s -p 4 -p 5 %t20 | FileCheck %s --check-prefix=CASE20 # CASE20: There are 6 section headers # CASE20-EMPTY: # CASE20-NEXT: Section Headers: # CASE20-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE20-NEXT: [ 0] NULL # CASE20-NEXT: [ 1] .foo{{ }} # CASE20-NEXT: [ 2] .bar{{ }} # CASE20-NEXT: [ 3] .symtab{{ }} # CASE20-NEXT: [ 4] .strtab STRTAB [[#%x,]] [[#%x,]] 000009 00 0 0 1 # CASE20-NEXT: [ 5] .strtab STRTAB 0000000000000000 [[#%x,]] 00001b 00 0 0 1 # CASE20: Symbol table '.symtab' contains 3 entries: # CASE20-NEXT: Num: {{.*}} Ndx Name # CASE20-NEXT: 0: {{.*}} UND {{$}} # CASE20-NEXT: 1: {{.*}} baz{{$}} # CASE20-NEXT: 2: {{.*}} bob{{$}} # CASE20: String dump of section '.strtab': # CASE20-NEXT: [ 1] baz # CASE20-NEXT: [ 5] bob # CASE20-EMPTY: # CASE20: String dump of section '.strtab': # CASE20-NEXT: [ 1] .bar{{$}} # CASE20-NEXT: [ 6] .foo{{$}} # CASE20-NEXT: [ b] .strtab{{$}} # CASE20-NEXT: [ 13] .symtab{{$}} # CASE20-EMPTY: ## Case 21: custom shstrtab named ".dynstr" with uniquifying ID. # RUN: yaml2obj --docnum=3 %s -o %t21 '-DSHSTRTAB=.dynstr (1)' # RUN: llvm-readelf -S --dyn-syms -p 4 -p 6 %t21 | FileCheck %s --check-prefix=CASE21 # CASE21: There are 7 section headers # CASE21-EMPTY: # CASE21-NEXT: Section Headers: # CASE21-NEXT: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # CASE21-NEXT: [ 0] NULL # CASE21-NEXT: [ 1] .foo{{ }} # CASE21-NEXT: [ 2] .bar{{ }} # CASE21-NEXT: [ 3] .dynsym{{ }} # CASE21-NEXT: [ 4] .dynstr STRTAB [[#%x,]] [[#%x,]] 000009 00 A 0 0 1 # CASE21-NEXT: [ 5] .strtab{{ }} # CASE21-NEXT: [ 6] .dynstr STRTAB 0000000000000000 [[#%x,]] 000023 00 0 0 1 # CASE21: Symbol table '.dynsym' contains 3 entries: # CASE21-NEXT: Num: {{.*}} Ndx Name # CASE21-NEXT: 0: {{.*}} UND {{$}} # CASE21-NEXT: 1: {{.*}} baz{{$}} # CASE21-NEXT: 2: {{.*}} bob{{$}} # CASE21: String dump of section '.dynstr': # CASE21-NEXT: [ 1] baz # CASE21-NEXT: [ 5] bob # CASE21-EMPTY: # CASE21: String dump of section '.dynstr': # CASE21-NEXT: [ 1] .dynstr{{$}} # CASE21-NEXT: [ 9] .bar{{$}} # CASE21-NEXT: [ e] .foo{{$}} # CASE21-NEXT: [ 13] .dynsym{{$}} # CASE21-NEXT: [ 1b] .strtab{{$}} # CASE21-EMPTY: