## 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 -o %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 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: [[NAME=undef]] Binding: STB_GLOBAL Type: [[TYPE=STT_NOTYPE]] - Name: [[NAME=normal]] Section: .text Binding: STB_GLOBAL Type: [[TYPE=STT_NOTYPE]] - Name: [[NAME=common]] Index: SHN_COMMON Binding: STB_GLOBAL Type: [[TYPE=STT_NOTYPE]] - Name: [[NAME=absolute]] Index: SHN_ABS Binding: STB_GLOBAL Type: [[TYPE=STT_NOTYPE]] - Name: [[NAME=proc]] Index: 0xff01 Binding: STB_GLOBAL Type: [[TYPE=STT_NOTYPE]] - Name: [[NAME=os]] Index: 0xff21 Binding: STB_GLOBAL Type: [[TYPE=STT_NOTYPE]] - Name: [[NAME=reserved]] Index: 0xfffe Binding: STB_GLOBAL Type: [[TYPE=STT_NOTYPE]] - Name: [[NAME=xindex]] Index: SHN_XINDEX Binding: STB_GLOBAL Type: [[TYPE=STT_NOTYPE]] ## Check the behavior for section symbols. # RUN: yaml2obj --docnum=1 -DTYPE=STT_SECTION %s -o %t1-sec # RUN: llvm-readobj --symbols %t1-sec | FileCheck %s --check-prefix=LLVM1 # RUN: llvm-readelf --symbols %t1-sec | FileCheck %s --check-prefix=GNU1 ## Check the behavior for unnamed section symbols. # RUN: yaml2obj --docnum=1 -DTYPE=STT_SECTION -DNAME="''" %s -o %t1-sec-unnamed # RUN: llvm-readobj --symbols %t1-sec-unnamed 2>&1 | \ # RUN: FileCheck %s -DFILE=%t1-sec-unnamed --check-prefix=LLVM1-SEC-SYMS # RUN: llvm-readelf --symbols %t1-sec-unnamed 2>&1 | \ # RUN: FileCheck %s -DFILE=%t1-sec-unnamed --check-prefix=GNU1-SEC-SYMS # LLVM1-SEC-SYMS: Symbols [ # LLVM1-SEC-SYMS-NEXT: Symbol { # LLVM1-SEC-SYMS-NEXT: Name: (0) # LLVM1-SEC-SYMS: Section: Undefined (0x0) # LLVM1-SEC-SYMS: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0x0 (SHN_UNDEF) # LLVM1-SEC-SYMS-NEXT: Symbol { # LLVM1-SEC-SYMS-NEXT: Name: (0) # LLVM1-SEC-SYMS: Section: Undefined (0x0) # LLVM1-SEC-SYMS: Symbol { # LLVM1-SEC-SYMS-NEXT: Name: .text (0) # LLVM1-SEC-SYMS: Section: .text (0x1) # LLVM1-SEC-SYMS: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfff2 (SHN_COMMON) # LLVM1-SEC-SYMS-NEXT: Symbol { # LLVM1-SEC-SYMS-NEXT: Name: (0) # LLVM1-SEC-SYMS: Section: Common (0xFFF2) # LLVM1-SEC-SYMS: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfff1 (SHN_ABS) # LLVM1-SEC-SYMS-NEXT: Symbol { # LLVM1-SEC-SYMS-NEXT: Name: (0) # LLVM1-SEC-SYMS: Section: Absolute (0xFFF1) # LLVM1-SEC-SYMS: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xff01 (SHN_LOPROC+0x1) # LLVM1-SEC-SYMS-NEXT: Symbol { # LLVM1-SEC-SYMS-NEXT: Name: (0) # LLVM1-SEC-SYMS: Section: Processor Specific (0xFF01) # LLVM1-SEC-SYMS: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xff21 (SHN_LOOS+0x1) # LLVM1-SEC-SYMS-NEXT: Symbol { # LLVM1-SEC-SYMS-NEXT: Name: (0) # LLVM1-SEC-SYMS: Section: Operating System Specific (0xFF21) # LLVM1-SEC-SYMS: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfffe (SHN_LORESERVE+0xfe) # LLVM1-SEC-SYMS-NEXT: Symbol { # LLVM1-SEC-SYMS-NEXT: Name: (0) # LLVM1-SEC-SYMS: Section: Reserved (0xFFFE) # LLVM1-SEC-SYMS: Symbol { # LLVM1-SEC-SYMS-NEXT: Name: .text (0) # LLVM1-SEC-SYMS: Section: .text (0x1) # GNU1-SEC-SYMS: Num: {{.*}} Ndx Name # GNU1-SEC-SYMS-NEXT: 0: {{.*}} UND {{$}} # GNU1-SEC-SYMS-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0x0 (SHN_UNDEF) # GNU1-SEC-SYMS-NEXT: 1: {{.*}} UND # GNU1-SEC-SYMS-NEXT: 2: {{.*}} 1 .text # GNU1-SEC-SYMS-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfff2 (SHN_COMMON) # GNU1-SEC-SYMS-NEXT: 3: {{.*}} COM # GNU1-SEC-SYMS-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfff1 (SHN_ABS) # GNU1-SEC-SYMS-NEXT: 4: {{.*}} ABS # GNU1-SEC-SYMS-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xff01 (SHN_LOPROC+0x1) # GNU1-SEC-SYMS-NEXT: 5: {{.*}} PRC[0xff01] # GNU1-SEC-SYMS-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xff21 (SHN_LOOS+0x1) # GNU1-SEC-SYMS-NEXT: 6: {{.*}} OS[0xff21] # GNU1-SEC-SYMS-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfffe (SHN_LORESERVE+0xfe) # GNU1-SEC-SYMS-NEXT: 7: {{.*}} RSV[0xfffe] # GNU1-SEC-SYMS-NEXT: 8: {{.*}} 1 .text ## 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 -o %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 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 -o %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': found an extended symbol index (1), but unable to locate the extended symbol index table # NO-SYMTAB-SHNDX: warning: '{{.*}}tmp3': found an extended symbol index (2), but unable to locate the extended symbol index table --- !ELF FileHeader: Class: ELFCLASS32 Data: ELFDATA2LSB Type: ET_REL Symbols: - Name: no_shndx Index: SHN_XINDEX - Name: no_shndx2 Index: SHN_XINDEX ## Check we can dump symbols even when the number of entries in the ## SHT_SYMTAB_SHNDX section doesn't match the number of symbols in the symbol table. # RUN: yaml2obj --docnum=4 %s -o %t4 # RUN: llvm-readelf --symbols %t4 2>&1 | FileCheck %s -DFILE=%t4 --check-prefix=SHNDX-ERR-GNU # RUN: llvm-readobj --symbols %t4 2>&1 | FileCheck %s -DFILE=%t4 --check-prefix=SHNDX-ERR-LLVM # SHNDX-ERR-GNU: warning: '[[FILE]]': SHT_SYMTAB_SHNDX has 3 entries, but the symbol table associated has 2 # SHNDX-ERR-GNU-EMPTY: # SHNDX-ERR-GNU-NEXT: Symbol table '.symtab' contains 2 entries: # SHNDX-ERR-GNU-NEXT: Num: Value Size Type Bind Vis Ndx Name # SHNDX-ERR-GNU-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND # SHNDX-ERR-GNU-NEXT: warning: '[[FILE]]': found an extended symbol index (1), but unable to locate the extended symbol index table # SHNDX-ERR-GNU-NEXT: 1: 0000000000000000 0 NOTYPE LOCAL DEFAULT RSV[0xffff] # SHNDX-ERR-GNU-EMPTY: # SHNDX-ERR-GNU-NOT:{{.}} # SHNDX-ERR-LLVM: warning: '[[FILE]]': SHT_SYMTAB_SHNDX has 3 entries, but the symbol table associated has 2 # SHNDX-ERR-LLVM: Format: elf64-unknown # SHNDX-ERR-LLVM-NEXT: Arch: unknown # SHNDX-ERR-LLVM-NEXT: AddressSize: 64bit # SHNDX-ERR-LLVM-NEXT: LoadName: # SHNDX-ERR-LLVM-NEXT: Symbols [ # SHNDX-ERR-LLVM-NEXT: Symbol { # SHNDX-ERR-LLVM-NEXT: Name: (0) # SHNDX-ERR-LLVM-NEXT: Value: 0x0 # SHNDX-ERR-LLVM-NEXT: Size: 0 # SHNDX-ERR-LLVM-NEXT: Binding: Local (0x0) # SHNDX-ERR-LLVM-NEXT: Type: None (0x0) # SHNDX-ERR-LLVM-NEXT: Other: 0 # SHNDX-ERR-LLVM-NEXT: Section: Undefined (0x0) # SHNDX-ERR-LLVM-NEXT: } # SHNDX-ERR-LLVM-NEXT: Symbol { # SHNDX-ERR-LLVM-NEXT: Name: (0) # SHNDX-ERR-LLVM-NEXT: Value: 0x0 # SHNDX-ERR-LLVM-NEXT: Size: 0 # SHNDX-ERR-LLVM-NEXT: Binding: Local (0x0) # SHNDX-ERR-LLVM-NEXT: Type: None (0x0) # SHNDX-ERR-LLVM-NEXT: Other: 0 # SHNDX-ERR-LLVM-NEXT: warning: '[[FILE]]': found an extended symbol index (1), but unable to locate the extended symbol index table # SHNDX-ERR-LLVM-NEXT: Section: Reserved (0xFFFF) # SHNDX-ERR-LLVM-NEXT: } # SHNDX-ERR-LLVM-NEXT: ] --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_REL Sections: - Name: .symtab_shndx Type: SHT_SYMTAB_SHNDX Entries: [ 0, 1, 2 ] Link: .symtab Symbols: - Index: SHN_XINDEX