diff options
Diffstat (limited to 'llvm/test/tools/llvm-readobj/ELF/symbol-shndx.test')
| -rw-r--r-- | llvm/test/tools/llvm-readobj/ELF/symbol-shndx.test | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/llvm/test/tools/llvm-readobj/ELF/symbol-shndx.test b/llvm/test/tools/llvm-readobj/ELF/symbol-shndx.test new file mode 100644 index 00000000000..ab01da9c842 --- /dev/null +++ b/llvm/test/tools/llvm-readobj/ELF/symbol-shndx.test @@ -0,0 +1,187 @@ +## Show that llvm-readobj prints symbol shndxes correctly, for valid indexes, +## invalid indexes (i.e. section indexes that don't correspond to a real +## section), reserved values and processor/os-specific index values, for both GNU +## and LLVM styles. + +# RUN: yaml2obj --docnum=1 %s > %t1 +# RUN: llvm-readobj --symbols %t1 | FileCheck %s --check-prefix=LLVM1 +# RUN: llvm-readelf --symbols %t1 | FileCheck %s --check-prefix=GNU1 + +# LLVM1: Name: undef +# LLVM1: Section: +# LLVM1-SAME: Undefined (0x0) +# LLVM1: Name: normal +# LLVM1: Section: +# LLVM1-SAME: .text (0x1) +# LLVM1: Name: common +# LLVM1: Section: +# LLVM1-SAME: Common (0xFFF2) +# LLVM1: Name: absolute +# LLVM1: Section: +# LLVM1-SAME: Absolute (0xFFF1) +# LLVM1: Name: proc +# LLVM1: Section: +# LLVM1-SAME: Processor Specific (0xFF01) +# LLVM1: Name: os +# LLVM1: Section: +# LLVM1-SAME: Operating System Specific (0xFF21) +# LLVM1: Name: reserved +# LLVM1: Section: +# LLVM1-SAME: Reserved (0xFFFE) +# LLVM1: Name: xindex +# LLVM1: Section: +# LLVM1: .text (0x1) + +# GNU1: Symbol table '.symtab' contains 9 entries: +# GNU1-NEXT: Num: {{.*}} Ndx Name +# GNU1-NEXT: 0: {{.*}} UND +# GNU1-NEXT: 1: {{.*}} UND undef +# GNU1-NEXT: 2: {{.*}} 1 normal +# GNU1-NEXT: 3: {{.*}} COM common +# GNU1-NEXT: 4: {{.*}} ABS absolute +# GNU1-NEXT: 5: {{.*}} PRC[0xff01] proc +# GNU1-NEXT: 6: {{.*}} OS[0xff21] os +# GNU1-NEXT: 7: {{.*}} RSV[0xfffe] reserved +# GNU1-NEXT: 8: {{.*}} 1 xindex + +--- !ELF +FileHeader: + Class: ELFCLASS32 + Data: ELFDATA2LSB + Type: ET_REL + Machine: EM_386 +Sections: + - Name: .text + Type: SHT_PROGBITS + - Name: .symtab_shndx + Type: SHT_SYMTAB_SHNDX + Link: .symtab + Entries: [ 0, 0, 0, 0, 0, 0, 0, 0, 1 ] +Symbols: + - Name: undef + Binding: STB_GLOBAL + - Name: normal + Section: .text + Binding: STB_GLOBAL + - Name: common + Index: SHN_COMMON + Binding: STB_GLOBAL + - Name: absolute + Index: SHN_ABS + Binding: STB_GLOBAL + - Name: proc + Index: 0xff01 + Binding: STB_GLOBAL + - Name: os + Index: 0xff21 + Binding: STB_GLOBAL + - Name: reserved + Index: 0xfffe + Binding: STB_GLOBAL + - Name: xindex + Index: SHN_XINDEX + Binding: STB_GLOBAL + +## In this case, the index does not correspond to a real section. Check that GNU +## style just prints the section index as normal and LLVM style prints a warning +## (but only once for each warning). +# RUN: yaml2obj --docnum=2 %s > %t2 +# RUN: llvm-readobj --symbols %t2 2> %t2.llvm.err | FileCheck %s --check-prefix=LLVM2 +# RUN: FileCheck %s --input-file=%t2.llvm.err --check-prefix=BAD-SHNDX --implicit-check-not=warning +# RUN: llvm-readelf --symbols %t2 2> %t2.gnu.err | FileCheck %s --check-prefix=GNU2 +# RUN: FileCheck %s --input-file=%t2.gnu.err --allow-empty --implicit-check-not={{.}} + +# LLVM2: Name: bad +# LLVM2: Section: +# LLVM2-SAME: <?> (0x42) +# LLVM2: Name: bad2 +# LLVM2: Section: +# LLVM2-SAME: <?> (0x42) +# LLVM2: Name: bad3 +# LLVM2: Section: +# LLVM2-SAME: <?> (0x43) +# LLVM2: Name: invalid_shndx +# LLVM2: Section: +# LLVM2-SAME: <?> (0x9) +# LLVM2: Name: invalid_shndx2 +# LLVM2: Section: +# LLVM2-SAME: <?> (0x9) +# LLVM2: Name: invalid_shndx3 +# LLVM2: Section: +# LLVM2-SAME: <?> (0xA) + +# GNU2: Symbol table '.symtab' contains 7 entries: +# GNU2-NEXT: Num: {{.*}} Ndx Name +# GNU2-NEXT: 0: {{.*}} UND +# GNU2-NEXT: 1: {{.*}} 66 bad +# GNU2-NEXT: 2: {{.*}} 66 bad2 +# GNU2-NEXT: 3: {{.*}} 67 bad3 +# GNU2-NEXT: 4: {{.*}} 9 invalid_shndx +# GNU2-NEXT: 5: {{.*}} 9 invalid_shndx2 +# GNU2-NEXT: 6: {{.*}} 10 invalid_shndx3 + +# BAD-SHNDX: warning: '{{.*}}tmp2': invalid section index: 66 +# BAD-SHNDX: warning: '{{.*}}tmp2': invalid section index: 67 +# BAD-SHNDX: warning: '{{.*}}tmp2': invalid section index: 9 +# BAD-SHNDX: warning: '{{.*}}tmp2': invalid section index: 10 + +--- !ELF +FileHeader: + Class: ELFCLASS32 + Data: ELFDATA2LSB + Type: ET_REL + Machine: EM_386 +Sections: + - Name: .symtab_shndx + Type: SHT_SYMTAB_SHNDX + Link: .symtab + Entries: [ 0, 0, 0, 0, 9, 9, 10 ] +Symbols: + - Name: bad + Index: 0x42 + - Name: bad2 + Index: 0x42 + - Name: bad3 + Index: 0x43 + - Name: invalid_shndx + Index: SHN_XINDEX + - Name: invalid_shndx2 + Index: SHN_XINDEX + - Name: invalid_shndx3 + Index: SHN_XINDEX + +## In this case, the symtab shndx section is missing, so symbols with section +## indexes of SHN_XINDEX print as Reserved symbols. +# RUN: yaml2obj --docnum=3 %s > %t3 +# RUN: llvm-readobj --symbols %t3 2> %t3.llvm.err | FileCheck %s --check-prefix=LLVM3 +# RUN: FileCheck %s --input-file=%t3.llvm.err --check-prefix=NO-SYMTAB-SHNDX --implicit-check-not=warning +# RUN: llvm-readelf --symbols %t3 2> %t3.gnu.err | FileCheck %s --check-prefix=GNU3 +# RUN: FileCheck %s --input-file=%t3.gnu.err --check-prefix=NO-SYMTAB-SHNDX --implicit-check-not=warning + +# LLVM3: Name: no_shndx +# LLVM3: Section: +# LLVM3-SAME: Reserved (0xFFFF) +# LLVM3: Name: no_shndx2 +# LLVM3: Section: +# LLVM3-SAME: Reserved (0xFFFF) + +# GNU3: Symbol table '.symtab' contains 3 entries: +# GNU3-NEXT: Num: {{.*}} Ndx Name +# GNU3-NEXT: 0: {{.*}} UND +# GNU3-NEXT: 1: {{.*}} RSV[0xffff] no_shndx +# GNU3-NEXT: 2: {{.*}} RSV[0xffff] no_shndx2 + +# NO-SYMTAB-SHNDX: warning: '{{.*}}tmp3': extended symbol index (1) is past the end of the SHT_SYMTAB_SHNDX section of size 0 +# NO-SYMTAB-SHNDX: warning: '{{.*}}tmp3': extended symbol index (2) is past the end of the SHT_SYMTAB_SHNDX section of size 0 + +--- !ELF +FileHeader: + Class: ELFCLASS32 + Data: ELFDATA2LSB + Type: ET_REL + Machine: EM_386 +Symbols: + - Name: no_shndx + Index: SHN_XINDEX + - Name: no_shndx2 + Index: SHN_XINDEX |
