## Check that yaml2obj is able to produce output ## when a symbol with section index SHN_XINDEX is used, ## but no SHT_SYMTAB_SHNDX section is defined. # RUN: yaml2obj --docnum=1 %s -o %t1 # RUN: llvm-readobj --symbols 2>&1 %t1 | FileCheck -DFILE=%t1 %s --check-prefix=CASE1 # CASE1: warning: '[[FILE]]': found an extended symbol index (1), but unable to locate the extended symbol index table --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_REL Sections: - Name: bar Type: SHT_PROGBITS Symbols: - Type: STT_SECTION Index: SHN_XINDEX ## Check that yaml2obj keeps the SHT_SYMTAB_SHNDX section in the output ## even when symbol's section index value is low enough to not require the extended symtab. ## Also, check that symbols in .symtab still have the SHN_XINDEX index. # RUN: yaml2obj --docnum=2 %s -o %t2 # RUN: llvm-readobj --sections --symbols --section-data 2>&1 %t2 | FileCheck %s --check-prefix=CASE2 # CASE2: Section { # CASE2: Name: .symtab_shndx (1) # CASE2-NEXT: Type: SHT_SYMTAB_SHNDX (0x12) # CASE2: Name: .symtab # CASE2: SectionData ( # CASE2-NEXT: 0000: 00000000 00000000 00000000 00000000 # CASE2-NEXT: 0010: 00000000 00000000 00000000 0300FFFF ## ^-- 0xFFFF here is a SHN_XINDEX. # CASE2-NEXT: 0020: 00000000 00000000 00000000 00000000 # CASE2-NEXT: ) # CASE2: Symbol { # CASE2: Name: bar (0) # CASE2-NEXT: Value: 0x0 # CASE2-NEXT: Size: 0 # CASE2-NEXT: Binding: Local (0x0) # CASE2-NEXT: Type: Section (0x3) # CASE2-NEXT: Other: 0 # CASE2-NEXT: Section: bar (0x1) # CASE2-NEXT: } --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_REL Sections: - Name: bar Type: SHT_PROGBITS - Name: .symtab_shndx Type: SHT_SYMTAB_SHNDX Entries: [ 0, 1 ] Link: .symtab Symbols: - Type: STT_SECTION Index: SHN_XINDEX ## Check that yaml2obj allows producing broken SHT_SYMTAB_SHNDX section ## content (in the case below it contains 0xff as an index of a section, ## which is larger than the total number of sections in the file). # RUN: yaml2obj --docnum=3 %s -o %t3 # RUN: llvm-readobj --symbols 2>&1 %t3 | FileCheck %s -DFILE=%t3 --check-prefix=CASE3 # CASE3: warning: '[[FILE]]': invalid section index: 255 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_REL Sections: - Name: bar Type: SHT_PROGBITS - Name: .symtab_shndx Type: SHT_SYMTAB_SHNDX Entries: [ 0, 255 ] Link: .symtab Symbols: - Type: STT_SECTION Index: SHN_XINDEX ## Check that yaml2obj reports an error if a symbol index does not fit into 2 bytes. # RUN: not yaml2obj --docnum=4 %s -o %t4 2>&1 | FileCheck %s --check-prefix=CASE4 # CASE4: error: out of range hex16 number --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_REL Symbols: - Type: STT_SECTION Index: 65536 ## Check we can set a custom sh_entsize for SHT_SYMTAB_SHNDX section. # RUN: yaml2obj --docnum=5 %s -o %t5 # RUN: llvm-readelf -S 2>&1 %t5 | FileCheck %s -DFILE=%t5 --check-prefix=CASE5 # CASE5: warning: '[[FILE]]': section [index 1] has invalid sh_entsize: expected 4, but got 2 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_REL Sections: - Name: .symtab_shndx Type: SHT_SYMTAB_SHNDX Entries: [ 0 ] EntSize: 2 ## Check we can use the "Content" key with the "Size" key when the size is greater ## than or equal to the content size. # RUN: not yaml2obj --docnum=6 -DSIZE=1 -DCONTENT="'0011'" %s 2>&1 | \ # RUN: FileCheck %s --check-prefix=CONTENT-SIZE-ERR # CONTENT-SIZE-ERR: error: Section size must be greater than or equal to the content size --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_DYN Sections: - Name: .symtab_shndx Type: SHT_SYMTAB_SHNDX Link: .symtab Size: [[SIZE=]] Content: [[CONTENT=]] Entries: [[ENTRIES=]] - Name: .symtab Type: SHT_SYMTAB ## llvm-readobj validates that SHT_SYMTAB_SHNDX section has the same number ## of entries that the symbol table associated has. Size: [[SYMTAB=0x24]] # RUN: yaml2obj --docnum=6 -DSIZE=4 -DCONTENT="'00112233'" %s -o %t.cont.size.eq.o # RUN: llvm-readobj --sections --section-data %t.cont.size.eq.o | \ # RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="00112233" # RUN: yaml2obj --docnum=6 -DSIZE=8 -DSYMTAB=0x36 -DCONTENT="'00112233'" %s -o %t.cont.size.gr.o # RUN: llvm-readobj --sections --section-data %t.cont.size.gr.o | \ # RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="00112233 00000000" # CHECK-CONTENT: Name: .symtab_shndx # CHECK-CONTENT: SectionData ( # CHECK-CONTENT-NEXT: 0000: [[DATA]] | # CHECK-CONTENT-NEXT: ) ## Check we can use the "Size" key alone to create the section. # RUN: yaml2obj --docnum=6 -DSIZE=4 %s -o %t.size.o # RUN: llvm-readobj --sections --section-data %t.size.o | \ # RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="00000000" ## Check we can use the "Content" key alone to create the section. # RUN: yaml2obj --docnum=6 -DCONTENT="'11223344'" %s -o %t.content.o # RUN: llvm-readobj --sections --section-data %t.content.o | \ # RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="11223344" ## Check we can't use the "Entries" key together with the "Content" or "Size" keys. # RUN: not yaml2obj --docnum=6 -DSIZE=0 -DENTRIES="[]" %s 2>&1 | \ # RUN: FileCheck %s --check-prefix=ENTRIES-ERR # RUN: not yaml2obj --docnum=6 -DCONTENT="'00'" -DENTRIES="[]" %s 2>&1 | \ # RUN: FileCheck %s --check-prefix=ENTRIES-ERR # ENTRIES-ERR: error: "Entries" cannot be used with "Content" or "Size" ## Check we create an empty section when none of "Size", "Entries" or "Content" are specified. # RUN: yaml2obj --docnum=6 -DSYMTAB=0x0 %s -o %t.empty # RUN: llvm-readelf --sections %t.empty | FileCheck %s --check-prefix=EMPTY # EMPTY: [Nr] Name Type Address Off Size # EMPTY: [ 1] .symtab_shndx SYMTAB SECTION INDICES 0000000000000000 000040 000000