blob: 97caf60207ff8c5cc40dd51541d6f1bd9e1d9332 [file] [log] [blame]
## 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: <Not found>
# 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