| ## In this test we test that dynamic symbols are dumped as expected. |
| |
| ## Case 1: Dynamic symbol table found via the DT_SYMTAB dynamic tag. |
| # RUN: yaml2obj --docnum=1 %s -o %t1.so |
| # RUN: llvm-readobj --dyn-symbols %t1.so 2>&1 \ |
| # RUN: | FileCheck %s --implicit-check-not="warning:" --check-prefix=DYNSYMS-LLVM |
| # RUN: llvm-readelf --dyn-symbols %t1.so 2>&1 \ |
| # RUN: | FileCheck %s --implicit-check-not="warning:" --check-prefix=DYNSYMS-GNU |
| |
| # DYNSYMS-LLVM: DynamicSymbols [ |
| # DYNSYMS-LLVM-NEXT: Symbol { |
| # DYNSYMS-LLVM-NEXT: Name: (0) |
| # DYNSYMS-LLVM-NEXT: Value: 0x0 |
| # DYNSYMS-LLVM-NEXT: Size: 0 |
| # DYNSYMS-LLVM-NEXT: Binding: Local (0x0) |
| # DYNSYMS-LLVM-NEXT: Type: None (0x0) |
| # DYNSYMS-LLVM-NEXT: Other: 0 |
| # DYNSYMS-LLVM-NEXT: Section: Undefined (0x0) |
| # DYNSYMS-LLVM-NEXT: } |
| # DYNSYMS-LLVM-NEXT: Symbol { |
| # DYNSYMS-LLVM-NEXT: Name: foo (5) |
| # DYNSYMS-LLVM-NEXT: Value: 0x0 |
| # DYNSYMS-LLVM-NEXT: Size: 0 |
| # DYNSYMS-LLVM-NEXT: Binding: Local (0x0) |
| # DYNSYMS-LLVM-NEXT: Type: None (0x0) |
| # DYNSYMS-LLVM-NEXT: Other: 0 |
| # DYNSYMS-LLVM-NEXT: Section: Undefined (0x0) |
| # DYNSYMS-LLVM-NEXT: } |
| # DYNSYMS-LLVM-NEXT: Symbol { |
| # DYNSYMS-LLVM-NEXT: Name: bar (1) |
| # DYNSYMS-LLVM-NEXT: Value: 0x0 |
| # DYNSYMS-LLVM-NEXT: Size: 0 |
| # DYNSYMS-LLVM-NEXT: Binding: Local (0x0) |
| # DYNSYMS-LLVM-NEXT: Type: None (0x0) |
| # DYNSYMS-LLVM-NEXT: Other: 0 |
| # DYNSYMS-LLVM-NEXT: Section: Undefined (0x0) |
| # DYNSYMS-LLVM-NEXT: } |
| # DYNSYMS-LLVM-NEXT: ] |
| |
| # DYNSYMS-GNU: Symbol table '.dynsym' contains 3 entries: |
| # DYNSYMS-GNU-NEXT: Num: Value Size Type Bind Vis Ndx Name |
| # DYNSYMS-GNU-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND |
| # DYNSYMS-GNU-NEXT: 1: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND foo |
| # DYNSYMS-GNU-NEXT: 2: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND bar |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .dynamic |
| Type: SHT_DYNAMIC |
| Entries: |
| - Tag: DT_SYMTAB |
| Value: 0x100 |
| - Tag: DT_NULL |
| Value: 0 |
| - Name: .dynsym |
| Type: SHT_DYNSYM |
| Address: 0x100 |
| DynamicSymbols: |
| - Name: foo |
| - Name: bar |
| ProgramHeaders: |
| - Type: PT_LOAD |
| VAddr: 0x100 |
| Sections: |
| - Section: .dynsym |
| |
| ## Case 2: Check the output for aliases. |
| ## a) Check the two-letter alias --dt is equivalent to the --dyn-symbols |
| ## full flag name. |
| # RUN: llvm-readobj --dt %t1.so > %t.readobj-dt-alias |
| # RUN: llvm-readobj --dyn-symbols %t1.so > %t.readobj-dt-no-alias |
| # RUN: cmp %t.readobj-dt-alias %t.readobj-dt-no-alias |
| ## b) Check --dyn-syms equals --dyn-symbols, --dt for llvm-readobj. |
| # RUN: llvm-readobj --dyn-syms %t1.so > %t.readobj-dyn-syms |
| # RUN: cmp %t.readobj-dt-alias %t.readobj-dyn-syms |
| ## c) Check --dyn-syms equals --dyn-symbols for llvm-readelf. |
| # RUN: llvm-readelf --dyn-syms %t1.so > %t.readelf-dyn-syms |
| # RUN: llvm-readelf --dyn-symbols %t1.so > %t.readelf-dyn-symbols |
| # RUN: cmp %t.readelf-dyn-symbols %t.readelf-dyn-syms |
| |
| ## Case 3: Check that we are able to dump the dynamic symbol table even when we have no program headers. |
| ## In this case we find the table by it's type (SHT_DYNSYM) and ignore the DT_SYMTAB value. |
| # RUN: yaml2obj --docnum=2 %s -o %t2.so |
| # RUN: llvm-readobj %t2.so --dyn-symbols | FileCheck %s --check-prefix=NOPHDRS-LLVM |
| # RUN: llvm-readelf %t2.so --dyn-symbols | FileCheck %s --check-prefix=NOPHDRS-GNU |
| |
| # NOPHDRS-LLVM: Name: foo |
| # NOPHDRS-GNU: 1: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND foo |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .dynamic |
| Type: SHT_DYNAMIC |
| Entries: |
| - Tag: DT_SYMTAB |
| Value: 0xffff1234 |
| - Tag: DT_NULL |
| Value: 0 |
| DynamicSymbols: |
| - Name: foo |
| |
| ## Case 4: Check we report a warning when there is no SHT_DYNSYM section and we can't map the DT_SYMTAB value |
| ## to an address because of the absence of a corresponding PT_LOAD program header. |
| # RUN: yaml2obj --docnum=3 %s -o %t3.so |
| # RUN: llvm-readobj %t3.so --dyn-symbols 2>&1 | FileCheck %s -DFILE=%t3.so --check-prefixes=NOSHT-DYNSYM,NOSHT-DYNSYM-LLVM |
| # RUN: llvm-readelf %t3.so --dyn-symbols 2>&1 | FileCheck %s -DFILE=%t3.so --check-prefix=NOSHT-DYNSYM |
| |
| # NOSHT-DYNSYM: warning: '[[FILE]]': Unable to parse DT_SYMTAB: virtual address is not in any segment: 0x0 |
| # NOSHT-DYNSYM-LLVM: DynamicSymbols [ |
| # NOSHT-DYNSYM-LLVM-NEXT: ] |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .dynsym |
| Type: SHT_PROGBITS |
| - Name: .dynamic |
| Type: SHT_DYNAMIC |
| Entries: |
| - Tag: DT_SYMTAB |
| Value: 0 |
| - Tag: DT_NULL |
| Value: 0 |
| DynamicSymbols: |
| - Name: foo |
| |
| ## Case 5: Check that when we can't map the value of the DT_SYMTAB tag to an address, we report a warning and |
| ## use the information in the section header table to locate the dynamic symbol table. |
| # RUN: yaml2obj --docnum=4 %s -o %t4.so |
| # RUN: llvm-readobj %t4.so --dyn-symbols 2>&1 | FileCheck -DFILE=%t4.so %s --check-prefixes=BROKEN-DTSYMTAB,BROKEN-DTSYMTAB-LLVM |
| # RUN: llvm-readelf %t4.so --dyn-symbols 2>&1 | FileCheck -DFILE=%t4.so %s --check-prefixes=BROKEN-DTSYMTAB,BROKEN-DTSYMTAB-GNU |
| |
| # BROKEN-DTSYMTAB: warning: '[[FILE]]': Unable to parse DT_SYMTAB: virtual address is not in any segment: 0xffff1234 |
| # BROKEN-DTSYMTAB-LLVM: Name: foo |
| # BROKEN-DTSYMTAB-GNU: 1: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND foo |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .dynamic |
| Type: SHT_DYNAMIC |
| Entries: |
| - Tag: DT_SYMTAB |
| Value: 0xffff1234 |
| - Tag: DT_NULL |
| Value: 0 |
| DynamicSymbols: |
| - Name: foo |
| ProgramHeaders: |
| - Type: PT_LOAD |
| VAddr: 0x0000 |
| Sections: |
| - Section: .dynsym |
| |
| ## Case 6: Check that if we can get the location of the dynamic symbol table using both the DT_SYMTAB value |
| ## and the section headers table then we prefer the former and report a warning. |
| # RUN: yaml2obj --docnum=5 %s -o %t5.so |
| # RUN: llvm-readobj %t5.so --dyn-symbols 2>&1 | FileCheck -DFILE=%t5.so %s --check-prefixes=PREFER-DTSYMTAB,PREFER-DTSYMTAB-LLVM |
| # RUN: llvm-readelf %t5.so --dyn-symbols 2>&1 | FileCheck -DFILE=%t5.so %s --check-prefixes=PREFER-DTSYMTAB,PREFER-DTSYMTAB-GNU |
| |
| # PREFER-DTSYMTAB: warning: '[[FILE]]': SHT_DYNSYM section header and DT_SYMTAB disagree about the location of the dynamic symbol table |
| # PREFER-DTSYMTAB-LLVM: Name: o |
| # PREFER-DTSYMTAB-GNU: 1: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND o |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .dynamic |
| Type: SHT_DYNAMIC |
| Entries: |
| - Tag: DT_SYMTAB |
| Value: 0x0 |
| - Tag: DT_NULL |
| Value: 0 |
| - Name: .dynsym |
| Type: SHT_DYNSYM |
| - Name: .mydynsym |
| Type: SHT_DYNSYM |
| ## The Content describes 2 symbols: zero symbol and symbol with st_name == 3. |
| Content: "000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000" |
| DynamicSymbols: |
| - Name: foo |
| ProgramHeaders: |
| - Type: PT_LOAD |
| VAddr: 0x0000 |
| Sections: |
| - Section: .mydynsym |
| |
| ## Case 7: Check how we dump versioned symbols. Use both -V and --dyn-symbols |
| ## to check that printed version is consistent. |
| # RUN: yaml2obj %s --docnum=6 -o %t6 |
| # RUN: llvm-readobj -V --dyn-symbols %t6 | FileCheck %s --check-prefix=VERSIONED-LLVM |
| # RUN: llvm-readelf -V --dyn-symbols %t6 | FileCheck %s --check-prefix=VERSIONED-GNU |
| |
| # VERSIONED-LLVM: Symbol { |
| # VERSIONED-LLVM: Name: foo (16) |
| # VERSIONED-LLVM-NEXT: Value: 0x0 |
| # VERSIONED-LLVM-NEXT: Size: 0 |
| # VERSIONED-LLVM-NEXT: Binding: Local (0x0) |
| # VERSIONED-LLVM-NEXT: Type: None (0x0) |
| # VERSIONED-LLVM-NEXT: Other: 0 |
| # VERSIONED-LLVM-NEXT: Section: Undefined (0x0) |
| # VERSIONED-LLVM-NEXT: } |
| # VERSIONED-LLVM-NEXT: Symbol { |
| # VERSIONED-LLVM-NEXT: Name: bar@@Default (12) |
| # VERSIONED-LLVM-NEXT: Value: 0x0 |
| # VERSIONED-LLVM-NEXT: Size: 0 |
| # VERSIONED-LLVM-NEXT: Binding: Local (0x0) |
| # VERSIONED-LLVM-NEXT: Type: None (0x0) |
| # VERSIONED-LLVM-NEXT: Other: 0 |
| # VERSIONED-LLVM-NEXT: Section: Undefined (0x0) |
| # VERSIONED-LLVM-NEXT: } |
| # VERSIONED-LLVM-NEXT: Symbol { |
| # VERSIONED-LLVM-NEXT: Name: zed@NonDefault (20) |
| # VERSIONED-LLVM-NEXT: Value: 0x0 |
| # VERSIONED-LLVM-NEXT: Size: 0 |
| # VERSIONED-LLVM-NEXT: Binding: Local (0x0) |
| # VERSIONED-LLVM-NEXT: Type: None (0x0) |
| # VERSIONED-LLVM-NEXT: Other: 0 |
| # VERSIONED-LLVM-NEXT: Section: Undefined (0x0) |
| # VERSIONED-LLVM-NEXT: } |
| # VERSIONED-LLVM: VersionSymbols [ |
| # VERSIONED-LLVM: Name: foo |
| # VERSIONED-LLVM: Name: bar@@Default |
| # VERSIONED-LLVM: Name: zed@NonDefault |
| |
| # VERSIONED-GNU: Num: Value Size Type Bind Vis Ndx Name |
| # VERSIONED-GNU: 1: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND foo |
| # VERSIONED-GNU-NEXT: 2: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND bar@@Default |
| # VERSIONED-GNU-NEXT: 3: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND zed@NonDefault |
| # VERSIONED-GNU: 000: 0 (*local*) 1 (*global*) 2 (Default) 3h(NonDefault) |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .gnu.version |
| Type: SHT_GNU_versym |
| Flags: [ SHF_ALLOC ] |
| Link: .dynsym |
| AddressAlign: 0x2 |
| EntSize: 0x2 |
| ## 0x8000 is a special VERSYM_HIDDEN bit. |
| Entries: [ 0, 1, 2, 0x8003 ] |
| - Name: .gnu.version_d |
| Type: SHT_GNU_verdef |
| Flags: [ SHF_ALLOC ] |
| Link: .dynstr |
| AddressAlign: 0x4 |
| Info: 0x2 |
| Entries: |
| - Version: 1 |
| Flags: 0 |
| VersionNdx: 2 |
| Hash: 0 |
| Names: |
| - Default |
| - Version: 1 |
| Flags: 0 |
| VersionNdx: 3 |
| Hash: 0 |
| Names: |
| - NonDefault |
| DynamicSymbols: |
| - Name: foo |
| - Name: bar |
| - Name: zed |
| |
| ## Case 8: Check what we print when: |
| ## a) The dynamic symbol table does not exist. |
| # RUN: yaml2obj %s --docnum=7 -o %t7 |
| # RUN: llvm-readobj --dyn-symbols %t7 | FileCheck %s --check-prefix=NO-DYNSYM-LLVM |
| # RUN: llvm-readelf --dyn-symbols %t7 | count 0 |
| ## b) The dynamic symbol table has a size of 0. |
| # RUN: yaml2obj %s --docnum=8 -o %t8 |
| # RUN: llvm-readobj --dyn-symbols %t8 | FileCheck %s --check-prefix=NO-DYNSYM-LLVM |
| # RUN: llvm-readelf --dyn-symbols %t8 | count 0 |
| ## c) The dynamic symbol table only contains the null symbol. |
| # RUN: yaml2obj %s --docnum=9 -o %t9 |
| # RUN: llvm-readobj --dyn-symbols %t9 | FileCheck %s --check-prefix=DYNSYM-EMPTY-LLVM |
| # RUN: llvm-readelf --dyn-symbols %t9 | FileCheck %s --check-prefix=DYNSYM-EMPTY-GNU |
| |
| # NO-DYNSYM-LLVM: DynamicSymbols [ |
| # NO-DYNSYM-LLVM-NEXT: ] |
| |
| # DYNSYM-EMPTY-LLVM: DynamicSymbols [ |
| # DYNSYM-EMPTY-LLVM-NEXT: Symbol { |
| # DYNSYM-EMPTY-LLVM-NEXT: Name: (0) |
| # DYNSYM-EMPTY-LLVM-NEXT: Value: 0x0 |
| # DYNSYM-EMPTY-LLVM-NEXT: Size: 0 |
| # DYNSYM-EMPTY-LLVM-NEXT: Binding: Local (0x0) |
| # DYNSYM-EMPTY-LLVM-NEXT: Type: None (0x0) |
| # DYNSYM-EMPTY-LLVM-NEXT: Other: 0 |
| # DYNSYM-EMPTY-LLVM-NEXT: Section: Undefined (0x0) |
| # DYNSYM-EMPTY-LLVM-NEXT: } |
| # DYNSYM-EMPTY-LLVM-NEXT: ] |
| |
| # DYNSYM-EMPTY-GNU: Symbol table '.dynsym' contains 1 entries: |
| # DYNSYM-EMPTY-GNU-NEXT: Num: Value Size Type Bind Vis Ndx Name |
| # DYNSYM-EMPTY-GNU-NEXT: 0: 00000000 0 NOTYPE LOCAL DEFAULT UND |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS32 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_386 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS32 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_386 |
| Sections: |
| - Name: .dynsym |
| Type: SHT_DYNSYM |
| Size: 0 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS32 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_386 |
| DynamicSymbols: [] |
| |
| ## Case 9: Check what we print when: |
| ## a) The size of the dynamic symbol table is not a multiple of its entry size. |
| # RUN: yaml2obj %s --docnum=10 -o %t10 |
| # RUN: llvm-readobj --dyn-symbols %t10 2>&1 | FileCheck %s -DFILE=%t10 --check-prefix=DYNSYM-SIZE-INVALID1 |
| # RUN: llvm-readelf --dyn-symbols %t10 2>&1 | FileCheck %s -DFILE=%t10 --check-prefix=DYNSYM-SIZE-INVALID1 |
| |
| # DYNSYM-SIZE-INVALID1: warning: '[[FILE]]': section with index 1 has invalid size (0x1) or entry size (0x10) |
| |
| ## b) The same, but the DT_SYMTAB tag is present. In this case the dynamic tag has priority over the |
| ## information about a location and an entity size of the dynamic symbol table from the section header. |
| ## The code uses sizeof(Elf_Sym) for an entity size, so it can't be incorrect and |
| ## the message printed is a bit shorter. |
| # RUN: yaml2obj %s --docnum=11 -o %t11 |
| # RUN: llvm-readobj --dyn-symbols %t11 2>&1 | FileCheck %s -DFILE=%t11 --check-prefix=DYNSYM-SIZE-INVALID2 |
| # RUN: llvm-readelf --dyn-symbols %t11 2>&1 | FileCheck %s -DFILE=%t11 --check-prefix=DYNSYM-SIZE-INVALID2 |
| |
| # DYNSYM-SIZE-INVALID2: warning: '[[FILE]]': section with index 2 has invalid size (0x1){{$}} |
| |
| ## c) In the case when the DT_SYMENT tag is present, we report when it's value does not match the |
| # value of the symbol size for the platform. |
| # RUN: yaml2obj %s -D BITS=32 --docnum=12 -o %t12 |
| # RUN: llvm-readobj --dyn-symbols %t12 2>&1 | FileCheck %s -DFILE=%t12 --check-prefix=DYNSYM-SIZE-INVALID3 |
| # RUN: llvm-readelf --dyn-symbols %t12 2>&1 | FileCheck %s -DFILE=%t12 --check-prefix=DYNSYM-SIZE-INVALID3 |
| # RUN: yaml2obj %s -D BITS=64 --docnum=12 -o %t13 |
| # RUN: llvm-readobj --dyn-symbols %t13 2>&1 | FileCheck %s -DFILE=%t13 --check-prefix=DYNSYM-SIZE-INVALID4 |
| # RUN: llvm-readelf --dyn-symbols %t13 2>&1 | FileCheck %s -DFILE=%t13 --check-prefix=DYNSYM-SIZE-INVALID4 |
| |
| # DYNSYM-SIZE-INVALID3: warning: '[[FILE]]': DT_SYMENT value of 0x123 is not the size of a symbol (0x10){{$}} |
| # DYNSYM-SIZE-INVALID4: warning: '[[FILE]]': DT_SYMENT value of 0x123 is not the size of a symbol (0x18){{$}} |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS32 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_386 |
| Sections: |
| - Name: .dynsym |
| Type: SHT_DYNSYM |
| Size: 0x1 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .dynamic |
| Type: SHT_DYNAMIC |
| Entries: |
| - Tag: DT_SYMTAB |
| Value: 0x100 |
| - Tag: DT_NULL |
| Value: 0 |
| - Name: .dynsym |
| Type: SHT_DYNSYM |
| Address: 0x100 |
| Size: 0x1 |
| ProgramHeaders: |
| - Type: PT_LOAD |
| VAddr: 0x100 |
| Sections: |
| - Section: .dynsym |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS[[BITS]] |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .dynamic |
| Type: SHT_DYNAMIC |
| Entries: |
| - Tag: DT_SYMENT |
| Value: 0x123 |
| - Tag: DT_NULL |
| Value: 0 |
| |
| ## Check we report a warning when the DT_STRSZ value is broken so that the dynamic string |
| ## table goes past the end of the file. Document we stop dumping symbols and report an error. |
| |
| # RUN: yaml2obj %s --docnum=13 -o %t14 |
| # RUN: llvm-readobj --dyn-symbols %t14 2>&1 | \ |
| # RUN: FileCheck %s -DFILE=%t14 --check-prefix=DYNSTR-INVALID-LLVM |
| # RUN: llvm-readelf --dyn-symbols %t14 2>&1 | \ |
| # RUN: FileCheck %s -DFILE=%t14 --check-prefix=DYNSTR-INVALID-GNU |
| |
| # DYNSTR-INVALID-LLVM: warning: '[[FILE]]': the dynamic string table at 0x78 goes past the end of the file (0x2a8) with DT_STRSZ = 0xffffffff |
| # DYNSTR-INVALID-LLVM: DynamicSymbols [ |
| # DYNSTR-INVALID-LLVM-NEXT: Symbol { |
| # DYNSTR-INVALID-LLVM-NEXT: Name: (0) |
| # DYNSTR-INVALID-LLVM-NEXT: Value: 0x0 |
| # DYNSTR-INVALID-LLVM-NEXT: Size: 0 |
| # DYNSTR-INVALID-LLVM-NEXT: Binding: Local (0x0) |
| # DYNSTR-INVALID-LLVM-NEXT: Type: None (0x0) |
| # DYNSTR-INVALID-LLVM-NEXT: Other: 0 |
| # DYNSTR-INVALID-LLVM-NEXT: Section: Undefined (0x0) |
| # DYNSTR-INVALID-LLVM-NEXT: } |
| # DYNSTR-INVALID-LLVM-NEXT: warning: '[[FILE]]': st_name (0xffffff00) is past the end of the string table of size 0x6 |
| # DYNSTR-INVALID-LLVM-NEXT: Symbol { |
| # DYNSTR-INVALID-LLVM-NEXT: Name: <?> (4294967040) |
| # DYNSTR-INVALID-LLVM-NEXT: Value: 0x0 |
| # DYNSTR-INVALID-LLVM-NEXT: Size: 0 |
| # DYNSTR-INVALID-LLVM-NEXT: Binding: Local (0x0) |
| # DYNSTR-INVALID-LLVM-NEXT: Type: None (0x0) |
| # DYNSTR-INVALID-LLVM-NEXT: Other: 0 |
| # DYNSTR-INVALID-LLVM-NEXT: Section: Undefined (0x0) |
| # DYNSTR-INVALID-LLVM-NEXT: } |
| # DYNSTR-INVALID-LLVM-NEXT: Symbol { |
| # DYNSTR-INVALID-LLVM-NEXT: Name: test (1) |
| # DYNSTR-INVALID-LLVM-NEXT: Value: 0x0 |
| # DYNSTR-INVALID-LLVM-NEXT: Size: 0 |
| # DYNSTR-INVALID-LLVM-NEXT: Binding: Local (0x0) |
| # DYNSTR-INVALID-LLVM-NEXT: Type: None (0x0) |
| # DYNSTR-INVALID-LLVM-NEXT: Other: 0 |
| # DYNSTR-INVALID-LLVM-NEXT: Section: Undefined (0x0) |
| # DYNSTR-INVALID-LLVM-NEXT: } |
| # DYNSTR-INVALID-LLVM-NEXT: ] |
| |
| # DYNSTR-INVALID-GNU: warning: '[[FILE]]': the dynamic string table at 0x78 goes past the end of the file (0x2a8) with DT_STRSZ = 0xffffffff |
| # DYNSTR-INVALID-GNU: Symbol table '.dynsym' contains 3 entries: |
| # DYNSTR-INVALID-GNU-NEXT: Num: Value Size Type Bind Vis Ndx Name |
| # DYNSTR-INVALID-GNU-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND |
| # DYNSTR-INVALID-GNU-NEXT: warning: '[[FILE]]': st_name (0xffffff00) is past the end of the string table of size 0x6 |
| # DYNSTR-INVALID-GNU-NEXT: 1: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND <?> |
| # DYNSTR-INVALID-GNU-NEXT: 2: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND test |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .dynstr |
| Type: SHT_STRTAB |
| Flags: [ SHF_ALLOC ] |
| Content: '007465737400' ## '\0', 'test', '\0' |
| - Name: .dynamic |
| Type: SHT_DYNAMIC |
| Flags: [ SHF_ALLOC ] |
| Link: .dynstr |
| Entries: |
| - Tag: DT_STRTAB |
| Value: 0x0 |
| - Tag: DT_STRSZ |
| Value: 0xffffffff |
| - Tag: DT_NULL |
| Value: 0x0 |
| DynamicSymbols: |
| - StName: 0xffffff00 |
| ## An arbitrary valid symbol to document we report an error before dumping it. |
| - StName: 0x1 |
| ProgramHeaders: |
| - Type: PT_LOAD |
| Flags: [ PF_R ] |
| Sections: |
| - Section: .dynstr |
| - Section: .dynamic |
| |
| ## Check we report a warning when the entry size of the dynamic symbol table is zero. |
| # RUN: yaml2obj %s --docnum=14 -o %t15 |
| # RUN: llvm-readobj --dyn-symbols %t15 2>&1 | FileCheck %s -DFILE=%t15 --check-prefix=DYNSYM-ZERO-ENTSIZE-LLVM |
| # RUN: llvm-readelf --dyn-symbols %t15 2>&1 | \ |
| # RUN: FileCheck %s -DFILE=%t15 --check-prefix=DYNSYM-ZERO-ENTSIZE-GNU --implicit-check-not="Symbol table" |
| |
| # DYNSYM-ZERO-ENTSIZE-LLVM: DynamicSymbols [ |
| # DYNSYM-ZERO-ENTSIZE-LLVM-NEXT: warning: '[[FILE]]': section with index 1 has invalid size (0x10) or entry size (0x0) |
| # DYNSYM-ZERO-ENTSIZE-LLVM-NEXT: ] |
| |
| # DYNSYM-ZERO-ENTSIZE-GNU: warning: '[[FILE]]': section with index 1 has invalid size (0x10) or entry size (0x0) |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS32 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_386 |
| Sections: |
| - Name: .dynsym |
| Type: SHT_DYNSYM |
| EntSize: 0x0 |
