| ## This is a general test for --symbols option and its aliases. |
| ## There are also other symbols* tests that check specific things. |
| |
| ## For testing and behavior documenting purposes we are using ET_REL and ET_DYN inputs. |
| ## Relocatable ELF objects are very different by nature from executables and dynamic libraries. |
| ## They might never have dynamic symbols normally, for example, though we still want |
| ## to document the --dyn-symbols behavior. |
| ## There is no need to check ET_EXEC inputs because for dumpers there is no difference |
| ## between them and ET_DYN inputs in the context of this test. |
| |
| ## Case 1: Test how llvm-readobj and llvm-readelf dumps symbols. |
| ## a) Check relocatable objects. |
| # RUN: yaml2obj %s -DBITS=64 -DTYPE=ET_REL -o %t64 |
| # RUN: llvm-readobj --symbols %t64 | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-LLVM |
| # RUN: llvm-readelf --symbols %t64 | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-GNU64 |
| # RUN: yaml2obj %s -DBITS=32 -DTYPE=ET_REL -o %t32 |
| # RUN: llvm-readobj --symbols %t32 | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-LLVM |
| # RUN: llvm-readelf --symbols %t32 | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-GNU32 |
| ## b) Check dynamic objects. |
| # RUN: yaml2obj %s -DBITS=64 -DTYPE=ET_DYN -o %t64.so |
| # RUN: llvm-readobj --symbols %t64.so | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-LLVM |
| # RUN: llvm-readelf --symbols %t64.so | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-GNU64 |
| # RUN: yaml2obj %s -DBITS=32 -DTYPE=ET_DYN -o %t32.so |
| # RUN: llvm-readobj --symbols %t32.so | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-LLVM |
| # RUN: llvm-readelf --symbols %t32.so | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-GNU32 |
| |
| # SYMBOLS-LLVM:Symbols [ |
| # SYMBOLS-LLVM-NEXT: Symbol { |
| # SYMBOLS-LLVM-NEXT: Name: (0) |
| # SYMBOLS-LLVM-NEXT: Value: 0x0 |
| # SYMBOLS-LLVM-NEXT: Size: 0 |
| # SYMBOLS-LLVM-NEXT: Binding: Local (0x0) |
| # SYMBOLS-LLVM-NEXT: Type: None (0x0) |
| # SYMBOLS-LLVM-NEXT: Other: 0 |
| # SYMBOLS-LLVM-NEXT: Section: Undefined (0x0) |
| # SYMBOLS-LLVM-NEXT: } |
| # SYMBOLS-LLVM-NEXT: Symbol { |
| # SYMBOLS-LLVM-NEXT: Name: foo (5) |
| # SYMBOLS-LLVM-NEXT: Value: 0x1 |
| # SYMBOLS-LLVM-NEXT: Size: 0 |
| # SYMBOLS-LLVM-NEXT: Binding: Local (0x0) |
| # SYMBOLS-LLVM-NEXT: Type: None (0x0) |
| # SYMBOLS-LLVM-NEXT: Other: 0 |
| # SYMBOLS-LLVM-NEXT: Section: Undefined (0x0) |
| # SYMBOLS-LLVM-NEXT: } |
| # SYMBOLS-LLVM-NEXT: Symbol { |
| # SYMBOLS-LLVM-NEXT: Name: bar (1) |
| # SYMBOLS-LLVM-NEXT: Value: 0x2 |
| # SYMBOLS-LLVM-NEXT: Size: 0 |
| # SYMBOLS-LLVM-NEXT: Binding: Local (0x0) |
| # SYMBOLS-LLVM-NEXT: Type: None (0x0) |
| # SYMBOLS-LLVM-NEXT: Other: 0 |
| # SYMBOLS-LLVM-NEXT: Section: Undefined (0x0) |
| # SYMBOLS-LLVM-NEXT: } |
| # SYMBOLS-LLVM-NEXT:] |
| |
| # SYMBOLS-GNU64:Symbol table '.symtab' contains 3 entries: |
| # SYMBOLS-GNU64-NEXT: Num: Value Size Type Bind Vis Ndx Name |
| # SYMBOLS-GNU64-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND |
| # SYMBOLS-GNU64-NEXT: 1: 0000000000000001 0 NOTYPE LOCAL DEFAULT UND foo |
| # SYMBOLS-GNU64-NEXT: 2: 0000000000000002 0 NOTYPE LOCAL DEFAULT UND bar |
| |
| # SYMBOLS-GNU32:Symbol table '.symtab' contains 3 entries: |
| # SYMBOLS-GNU32-NEXT: Num: Value Size Type Bind Vis Ndx Name |
| # SYMBOLS-GNU32-NEXT: 0: 00000000 0 NOTYPE LOCAL DEFAULT UND |
| # SYMBOLS-GNU32-NEXT: 1: 00000001 0 NOTYPE LOCAL DEFAULT UND foo |
| # SYMBOLS-GNU32-NEXT: 2: 00000002 0 NOTYPE LOCAL DEFAULT UND bar |
| |
| ## Case 2: Check flag aliases produce identical output |
| # RUN: llvm-readobj --symbols %t64 > %t.symbols |
| # RUN: llvm-readobj --syms %t64 > %t.syms |
| # RUN: cmp %t.symbols %t.syms |
| # RUN: llvm-readobj -t %t64 > %t.t |
| # RUN: cmp %t.symbols %t.t |
| # RUN: llvm-readelf -s --elf-output-style=LLVM %t64 > %t.lowers |
| # RUN: cmp %t.symbols %t.lowers |
| |
| # RUN: llvm-readelf --symbols %t64 > %t.symbols.gnu |
| # RUN: llvm-readelf --syms %t64 > %t.syms.gnu |
| # RUN: cmp %t.symbols.gnu %t.syms.gnu |
| |
| ## -s is an llvm-readobj option to dump sections. |
| # RUN: llvm-readobj -s --elf-output-style=GNU %t64 | FileCheck %s --implicit-check-not="Symbol table" |
| |
| ## Case 3: Test that both regular and dynamic symbols are dumped when `--symbols` and `--dyn-symbols` |
| ## are specified together. Note that the order is different for different styles. |
| # RUN: llvm-readobj --symbols --dyn-symbols %t64 | FileCheck %s --check-prefix=BOTH-LLVM |
| # RUN: llvm-readelf --symbols --dyn-symbols %t64 | FileCheck %s --check-prefix=BOTH-GNU |
| |
| # BOTH-LLVM: Symbols [ |
| # BOTH-LLVM: DynamicSymbols [ |
| |
| # BOTH-GNU: Symbol table '.dynsym' |
| # BOTH-GNU: Symbol table '.symtab' |
| |
| ## Case 4: --symbols implies --dyn-symbols for llvm-readelf. |
| # RUN: llvm-readobj --symbols %t64 | FileCheck %s --implicit-check-not="DynamicSymbols [" |
| # RUN: llvm-readelf --symbols %t64 | FileCheck %s --check-prefix=BOTH-GNU |
| |
| ## Case 5: Test that `--dyn-symbols` does not trigger `--symbols` implicitly. |
| # RUN: llvm-readobj --dyn-symbols %t64 | FileCheck %s --implicit-check-not="{{^}}Symbols [" |
| # RUN: llvm-readelf --dyn-symbols %t64 | FileCheck %s --implicit-check-not="Symbol table '.symtab'" |
| |
| ## Case 6: Test that the Num index starts from zero at every new symbol table. |
| # RUN: llvm-readelf --symbols %t64 %t64 | FileCheck %s --check-prefix=NUM-INDEX |
| |
| # NUM-INDEX: Symbol table '.symtab' contains 3 entries: |
| # NUM-INDEX-NEXT: Num: {{.*}} |
| # NUM-INDEX-NEXT: 0: {{.*}} |
| # NUM-INDEX: Symbol table '.symtab' contains 3 entries: |
| # NUM-INDEX-NEXT: Num: {{.*}} |
| # NUM-INDEX-NEXT: 0: {{.*}} |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS[[BITS]] |
| Data: ELFDATA2LSB |
| Type: [[TYPE]] |
| Symbols: |
| - Name: foo |
| Value: 0x1 |
| - Name: bar |
| Value: 0x2 |
| DynamicSymbols: |
| - Name: zed |
| |
| ## Check the behavior when we are unable to print symbols due to an error. |
| |
| ## Case 1: check we are able to dump symbols even when can't get the string table for the |
| ## SHT_SYMTAB section because of invalid sh_link value. |
| # RUN: yaml2obj --docnum=2 -DLINK=0xff %s -o %t64.err1 |
| # RUN: llvm-readobj --symbols %t64.err1 2>&1 | \ |
| # RUN: FileCheck %s -DFILE=%t64.err1 --check-prefix=STRTAB-LINK-ERR-LLVM |
| # RUN: llvm-readelf --symbols %t64.err1 2>&1 | \ |
| # RUN: FileCheck %s -DFILE=%t64.err1 --check-prefix=STRTAB-LINK-ERR-GNU |
| |
| # STRTAB-LINK-ERR-LLVM: Symbols [ |
| # STRTAB-LINK-ERR-LLVM-NEXT: warning: '[[FILE]]': unable to get the string table for the SHT_SYMTAB section: invalid section index: 255 |
| # STRTAB-LINK-ERR-LLVM-NEXT: Symbol { |
| # STRTAB-LINK-ERR-LLVM-NEXT: Name: <?> (0) |
| # STRTAB-LINK-ERR-LLVM-NEXT: Value: 0x0 |
| # STRTAB-LINK-ERR-LLVM-NEXT: Size: 0 |
| # STRTAB-LINK-ERR-LLVM-NEXT: Binding: Local (0x0) |
| # STRTAB-LINK-ERR-LLVM-NEXT: Type: None (0x0) |
| # STRTAB-LINK-ERR-LLVM-NEXT: Other: 0 |
| # STRTAB-LINK-ERR-LLVM-NEXT: Section: Undefined (0x0) |
| # STRTAB-LINK-ERR-LLVM-NEXT: } |
| # STRTAB-LINK-ERR-LLVM-NEXT: Symbol { |
| # STRTAB-LINK-ERR-LLVM-NEXT: Name: <?> (1) |
| # STRTAB-LINK-ERR-LLVM-NEXT: Value: 0x1 |
| # STRTAB-LINK-ERR-LLVM-NEXT: Size: 0 |
| # STRTAB-LINK-ERR-LLVM-NEXT: Binding: Global (0x1) |
| # STRTAB-LINK-ERR-LLVM-NEXT: Type: None (0x0) |
| # STRTAB-LINK-ERR-LLVM-NEXT: Other: 0 |
| # STRTAB-LINK-ERR-LLVM-NEXT: Section: .symtab (0x1) |
| # STRTAB-LINK-ERR-LLVM-NEXT: } |
| # STRTAB-LINK-ERR-LLVM-NEXT: ] |
| |
| # STRTAB-LINK-ERR-GNU: warning: '[[FILE]]': unable to get the string table for the SHT_SYMTAB section: invalid section index: 255 |
| # STRTAB-LINK-ERR-GNU: Symbol table '.symtab' contains 2 entries: |
| # STRTAB-LINK-ERR-GNU-NEXT: Num: Value Size Type Bind Vis Ndx Name |
| # STRTAB-LINK-ERR-GNU-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND <?> |
| # STRTAB-LINK-ERR-GNU-NEXT: 1: 0000000000000001 0 NOTYPE GLOBAL DEFAULT 1 <?> |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_REL |
| EShStrNdx: [[SHSTRTAB=2]] |
| Sections: |
| - Name: .symtab |
| Type: SHT_SYMTAB |
| Link: [[LINK=.strtab]] |
| EntSize: [[ENTSIZE=0x18]] |
| ## Define the .shstrtab section to reveal its position. |
| - Name: .shstrtab |
| Type: SHT_STRTAB |
| Symbols: |
| - Name: foo |
| Value: 0x1 |
| Binding: STB_GLOBAL |
| Index: 1 |
| |
| ## Case 2: check we report a warning when we are unable to read symbols |
| ## from the the SHT_SYMTAB section. |
| # RUN: yaml2obj --docnum=2 -DENTSIZE=0xFF %s -o %t64.err2 |
| # RUN: llvm-readobj --symbols %t64.err2 2>&1 | \ |
| # RUN: FileCheck %s -DFILE=%t64.err2 --check-prefix=SYMTAB-ENTSIZE-ERR-LLVM |
| # RUN: llvm-readelf --symbols %t64.err2 2>&1 | \ |
| # RUN: FileCheck %s -DFILE=%t64.err2 --check-prefix=SYMTAB-ENTSIZE-ERR-GNU |
| |
| # SYMTAB-ENTSIZE-ERR-LLVM: Symbols [ |
| # SYMTAB-ENTSIZE-ERR-LLVM-NEXT: warning: '[[FILE]]': unable to read symbols from the SHT_SYMTAB section: section [index 1] has invalid sh_entsize: expected 24, but got 255 |
| # SYMTAB-ENTSIZE-ERR-LLVM: ] |
| |
| # SYMTAB-ENTSIZE-ERR-GNU: warning: '[[FILE]]': unable to read symbols from the SHT_SYMTAB section: section [index 1] has invalid sh_entsize: expected 24, but got 255 |
| # SYMTAB-ENTSIZE-ERR-GNU-NOT: {{.}} |
| |
| ## Case 3: check we report a warning, but continue dumping, when we are unable to read the name of the SHT_SYMTAB section. |
| ## In this case we set the e_shstrndx field to an invalid index so that the .shstrtab section can't be located. |
| # RUN: yaml2obj --docnum=2 -DSHSTRTAB=0xff %s -o %t64.err3 |
| # RUN: llvm-readobj --symbols %t64.err3 2>&1 | \ |
| # RUN: FileCheck %s -DFILE=%t64.err3 --check-prefix=SYMTAB-SHSTRTAB-ERR-LLVM --implicit-check-not=warning: |
| # RUN: llvm-readelf --symbols %t64.err3 2>&1 | \ |
| # RUN: FileCheck %s -DFILE=%t64.err3 --check-prefix=SYMTAB-SHSTRTAB-ERR-GNU --implicit-check-not=warning: |
| |
| # SYMTAB-SHSTRTAB-ERR-LLVM: Symbols [ |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Symbol { |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Name: (0) |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Value: 0x0 |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Size: 0 |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Binding: Local (0x0) |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Type: None (0x0) |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Other: 0 |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Section: Undefined (0x0) |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: } |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Symbol { |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Name: foo (1) |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Value: 0x1 |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Size: 0 |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Binding: Global (0x1) |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Type: None (0x0) |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Other: 0 |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: warning: '[[FILE]]': section header string table index 255 does not exist |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: Section: <?> (0x1) |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: } |
| # SYMTAB-SHSTRTAB-ERR-LLVM-NEXT: ] |
| |
| # SYMTAB-SHSTRTAB-ERR-GNU: warning: '[[FILE]]': unable to get the name of SHT_SYMTAB section with index 1: section header string table index 255 does not exist |
| # SYMTAB-SHSTRTAB-ERR-GNU: Symbol table '<?>' contains 2 entries: |
| # SYMTAB-SHSTRTAB-ERR-GNU-NEXT: Num: Value Size Type Bind Vis Ndx Name |
| # SYMTAB-SHSTRTAB-ERR-GNU-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND |
| # SYMTAB-SHSTRTAB-ERR-GNU-NEXT: 1: 0000000000000001 0 NOTYPE GLOBAL DEFAULT 1 foo |
