| ## Test handling of a dynamic section size which is not a multiple of its entry size. |
| ## Test the full output to demonstrate how we print the warnings. |
| |
| # RUN: yaml2obj %s --docnum=1 -o %t.bad-size |
| # RUN: llvm-readobj --all %t.bad-size 2>&1 \ |
| # RUN: | FileCheck %s --implicit-check-not=warning --check-prefix WARN |
| # RUN: llvm-readelf --all %t.bad-size 2>&1 \ |
| # RUN: | FileCheck %s --implicit-check-not=warning --check-prefix WARN-GNU |
| |
| # WARN-NOT: warning |
| # WARN: warning: invalid section size (4) or entity size (16) |
| # WARN-EMPTY: |
| # WARN-NEXT: File: |
| # WARN: Symbols [ |
| # WARN: ] |
| # WARN-EMPTY: |
| ## A warning is printed at the place where a normal dynamic table should be. |
| # WARN-NEXT: warning: invalid section size (4) or entity size (16) |
| # WARN-NEXT: ProgramHeaders [ |
| |
| # WARN-GNU-NOT: warning |
| # WARN-GNU: warning: invalid section size (4) or entity size (16) |
| # WARN-GNU-NEXT: ELF Header: |
| # WARN-GNU: Symbol table '.symtab' contains 1 entries: |
| # WARN-GNU: 0: |
| # WARN-GNU-EMPTY: |
| ## A warning is printed at the place where a normal dynamic table should be. |
| # WARN-GNU: warning: invalid section size (4) or entity size (16) |
| # WARN-GNU-EMPTY: |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .dynamic |
| Type: SHT_DYNAMIC |
| Address: 0x1000 |
| Content: "01234567" |
| ProgramHeaders: |
| - Type: PT_LOAD |
| VAddr: 0x1000 |
| Sections: |
| - Section: .dynamic |
| - Type: PT_DYNAMIC |
| VAddr: 0x1000 |
| Sections: |
| - Section: .dynamic |
| |
| ## Test handling of a .dynamic section with an invalid entsize (i.e. not 2 * sizeof(Elf_Dyn)). |
| # RUN: yaml2obj %s --docnum=2 -o %t.bad-entsize |
| # RUN: llvm-readobj --dynamic-table %t.bad-entsize | FileCheck %s --check-prefix BAD-ENTSIZE-LLVM |
| # RUN: llvm-readelf --dynamic-table %t.bad-entsize | FileCheck %s --check-prefix BAD-ENTSIZE-GNU |
| |
| # BAD-ENTSIZE-LLVM: DynamicSection [ (2 entries) |
| # BAD-ENTSIZE-LLVM-NEXT: Tag Type Name/Value |
| # BAD-ENTSIZE-LLVM-NEXT: 0x0000000000000015 DEBUG 0x0 |
| # BAD-ENTSIZE-LLVM-NEXT: 0x0000000000000000 NULL 0x0 |
| # BAD-ENTSIZE-LLVM-NEXT: ] |
| |
| # BAD-ENTSIZE-GNU: Dynamic section at offset 0x{{.*}} contains 2 entries: |
| # BAD-ENTSIZE-GNU-NEXT: Tag Type Name/Value |
| # BAD-ENTSIZE-GNU-NEXT: 0x0000000000000015 (DEBUG) 0x0 |
| # BAD-ENTSIZE-GNU-NEXT: 0x0000000000000000 (NULL) 0x0 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .dynamic |
| Type: SHT_DYNAMIC |
| Address: 0x1000 |
| EntSize: 0x2 |
| Entries: |
| - Tag: DT_DEBUG |
| Value: 0 |
| - Tag: DT_NULL |
| Value: 0 |
| ProgramHeaders: |
| - Type: PT_LOAD |
| VAddr: 0x1000 |
| Sections: |
| - Section: .dynamic |
| - Type: PT_DYNAMIC |
| VAddr: 0x1000 |
| Sections: |
| - Section: .dynamic |
| |
| ## Test handling of string references pointing past the end of the dynamic string table. |
| # RUN: yaml2obj %s --docnum=3 -o %t.bad-string |
| # RUN: llvm-readobj --dynamic-table %t.bad-string | FileCheck %s --check-prefix BAD-STRING-LLVM |
| # RUN: llvm-readelf --dynamic-table %t.bad-string | FileCheck %s --check-prefix BAD-STRING-GNU |
| |
| # BAD-STRING-LLVM: 0x000000000000000A STRSZ 1 (bytes) |
| # BAD-STRING-LLVM: 0x0000000000000001 NEEDED Shared library: [<Invalid offset 0x1>] |
| # BAD-STRING-LLVM: 0x000000007FFFFFFF FILTER Filter library: [<Invalid offset 0x1>] |
| # BAD-STRING-LLVM: 0x000000007FFFFFFD AUXILIARY Auxiliary library: [<Invalid offset 0x1>] |
| # BAD-STRING-LLVM: 0x000000007FFFFFFE USED Not needed object: [<Invalid offset 0x1>] |
| # BAD-STRING-LLVM: 0x000000000000000E SONAME Library soname: [<Invalid offset 0x1>] |
| # BAD-STRING-LLVM: 0x000000000000000F RPATH Library rpath: [<Invalid offset 0x1>] |
| # BAD-STRING-LLVM: 0x000000000000001D RUNPATH Library runpath: [<Invalid offset 0x1>] |
| |
| # BAD-STRING-GNU: 0x000000000000000a (STRSZ) 1 (bytes) |
| # BAD-STRING-GNU: 0x0000000000000001 (NEEDED) Shared library: [<Invalid offset 0x1>] |
| # BAD-STRING-GNU: 0x000000007fffffff (FILTER) Filter library: [<Invalid offset 0x1>] |
| # BAD-STRING-GNU: 0x000000007ffffffd (AUXILIARY) Auxiliary library: [<Invalid offset 0x1>] |
| # BAD-STRING-GNU: 0x000000007ffffffe (USED) Not needed object: [<Invalid offset 0x1>] |
| # BAD-STRING-GNU: 0x000000000000000e (SONAME) Library soname: [<Invalid offset 0x1>] |
| # BAD-STRING-GNU: 0x000000000000000f (RPATH) Library rpath: [<Invalid offset 0x1>] |
| # BAD-STRING-GNU: 0x000000000000001d (RUNPATH) Library runpath: [<Invalid offset 0x1>] |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .dynstr |
| Type: SHT_STRTAB |
| Address: 0x1000 |
| - Name: .dynamic |
| Type: SHT_DYNAMIC |
| Address: 0x1010 |
| Entries: |
| - Tag: DT_STRTAB |
| Value: 0x1000 |
| - Tag: DT_STRSZ |
| Value: 1 |
| - Tag: DT_NEEDED |
| Value: 1 |
| - Tag: DT_FILTER |
| Value: 1 |
| - Tag: DT_AUXILIARY |
| Value: 1 |
| - Tag: DT_USED |
| Value: 1 |
| - Tag: DT_SONAME |
| Value: 1 |
| - Tag: DT_RPATH |
| Value: 1 |
| - Tag: DT_RUNPATH |
| Value: 1 |
| - Tag: DT_NULL |
| Value: 0 |
| ProgramHeaders: |
| - Type: PT_LOAD |
| VAddr: 0x1000 |
| Sections: |
| - Section: .dynstr |
| - Section: .dynamic |
| - Type: PT_DYNAMIC |
| VAddr: 0x1010 |
| Sections: |
| - Section: .dynamic |
| |
| ## Test handling of DT_STRTAB pointing outside the file's address space. |
| # RUN: yaml2obj %s --docnum=4 -o %t.bad-strtab |
| |
| # RUN: llvm-readobj --dynamic-table %t.bad-strtab 2>&1 >/dev/null | FileCheck %s --check-prefix BAD-STRTAB-ERR |
| # RUN: llvm-readelf --dynamic-table %t.bad-strtab 2>&1 >/dev/null | FileCheck %s --check-prefix BAD-STRTAB-ERR |
| # BAD-STRTAB-ERR: warning: Unable to parse DT_STRTAB: virtual address is not in any segment: 0x2000000 |
| |
| # RUN: llvm-readobj --dynamic-table --needed-libs %t.bad-strtab | FileCheck %s --check-prefixes=BAD-STRTAB,BAD-STRTAB-LLVM |
| # RUN: llvm-readelf --dynamic-table --needed-libs %t.bad-strtab | FileCheck %s --check-prefixes=BAD-STRTAB,BAD-STRTAB-GNU |
| # BAD-STRTAB-LLVM: LoadName: <String table is empty or was not found> |
| # BAD-STRTAB-LLVM: 0x0000000000000001 NEEDED Shared library: [<String table is empty or was not found>] |
| # BAD-STRTAB-GNU: 0x0000000000000001 (NEEDED) Shared library: [<String table is empty or was not found>] |
| # BAD-STRTAB: NeededLibraries [ |
| # BAD-STRTAB: <String table is empty or was not found> |
| # BAD-STRTAB: ] |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .dynamic |
| Type: SHT_DYNAMIC |
| Address: 0x1000 |
| Entries: |
| - Tag: DT_STRTAB |
| Value: 0x2000000 |
| - Tag: DT_STRSZ |
| Value: 10 |
| - Tag: DT_NEEDED |
| Value: 1 |
| - Tag: DT_NULL |
| Value: 0x0 |
| ProgramHeaders: |
| - Type: PT_LOAD |
| VAddr: 0x1000 |
| Sections: |
| - Section: .dynamic |
| - Type: PT_DYNAMIC |
| VAddr: 0x1000 |
| Sections: |
| - Section: .dynamic |
| |
| ## Test handling of other d_ptr tags pointing outside the file's address space. |
| # RUN: yaml2obj %s --docnum=5 -o %t.bad-rela |
| # RUN: llvm-readobj --dynamic-table %t.bad-rela 2>&1 | FileCheck %s --check-prefixes=CHECK,BAD-RELA |
| # RUN: llvm-readelf --dynamic-table %t.bad-rela 2>&1 | FileCheck %s --check-prefixes=CHECK,BAD-RELA-GNU |
| |
| # CHECK: warning: Unable to parse DT_RELA: virtual address is not in any segment: 0x1000000 |
| |
| # BAD-RELA: DynamicSection [ (2 entries) |
| # BAD-RELA-NEXT: Tag Type Name/Value |
| # BAD-RELA-NEXT: 0x0000000000000007 RELA 0x1000000 |
| # BAD-RELA-NEXT: 0x0000000000000000 NULL 0x0 |
| # BAD-RELA-NEXT: ] |
| # BAD-RELA-GNU: Dynamic section at offset 0x1f0 contains 2 entries: |
| # BAD-RELA-GNU-NEXT: Tag Type Name/Value |
| # BAD-RELA-GNU-NEXT: 0x0000000000000007 (RELA) 0x1000000 |
| # BAD-RELA-GNU-NEXT: 0x0000000000000000 (NULL) 0x0 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .dynamic |
| Type: SHT_DYNAMIC |
| Address: 0x1000 |
| Entries: |
| - Tag: DT_RELA |
| Value: 0x1000000 |
| - Tag: DT_NULL |
| Value: 0x0 |
| ProgramHeaders: |
| - Type: PT_LOAD |
| VAddr: 0x1000 |
| Sections: |
| - Section: .dynamic |
| - Type: PT_DYNAMIC |
| VAddr: 0x1000 |
| Sections: |
| - Section: .dynamic |
