314 lines
12 KiB
Plaintext
314 lines
12 KiB
Plaintext
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## Show that llvm-readobj prints symbol shndxes correctly, for valid indexes,
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## invalid indexes (i.e. section indexes that don't correspond to a real
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## section), reserved values and processor/os-specific index values, for both GNU
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## and LLVM styles.
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# RUN: yaml2obj --docnum=1 %s -o %t1
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# RUN: llvm-readobj --symbols %t1 | FileCheck %s --check-prefix=LLVM1
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# RUN: llvm-readelf --symbols %t1 | FileCheck %s --check-prefix=GNU1
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# LLVM1: Name: undef
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# LLVM1: Section:
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# LLVM1-SAME: Undefined (0x0)
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# LLVM1: Name: normal
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# LLVM1: Section:
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# LLVM1-SAME: .text (0x1)
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# LLVM1: Name: common
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# LLVM1: Section:
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# LLVM1-SAME: Common (0xFFF2)
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# LLVM1: Name: absolute
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# LLVM1: Section:
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# LLVM1-SAME: Absolute (0xFFF1)
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# LLVM1: Name: proc
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# LLVM1: Section:
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# LLVM1-SAME: Processor Specific (0xFF01)
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# LLVM1: Name: os
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# LLVM1: Section:
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# LLVM1-SAME: Operating System Specific (0xFF21)
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# LLVM1: Name: reserved
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# LLVM1: Section:
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# LLVM1-SAME: Reserved (0xFFFE)
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# LLVM1: Name: xindex
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# LLVM1: Section:
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# LLVM1: .text (0x1)
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# GNU1: Symbol table '.symtab' contains 9 entries:
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# GNU1-NEXT: Num: {{.*}} Ndx Name
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# GNU1-NEXT: 0: {{.*}} UND
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# GNU1-NEXT: 1: {{.*}} UND undef
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# GNU1-NEXT: 2: {{.*}} 1 normal
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# GNU1-NEXT: 3: {{.*}} COM common
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# GNU1-NEXT: 4: {{.*}} ABS absolute
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# GNU1-NEXT: 5: {{.*}} PRC[0xff01] proc
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# GNU1-NEXT: 6: {{.*}} OS[0xff21] os
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# GNU1-NEXT: 7: {{.*}} RSV[0xfffe] reserved
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# GNU1-NEXT: 8: {{.*}} 1 xindex
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--- !ELF
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FileHeader:
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Class: ELFCLASS32
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Data: ELFDATA2LSB
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Type: ET_REL
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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- Name: .symtab_shndx
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Type: SHT_SYMTAB_SHNDX
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Link: .symtab
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Entries: [ 0, 0, 0, 0, 0, 0, 0, 0, 1 ]
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Symbols:
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- Name: [[NAME=undef]]
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Binding: STB_GLOBAL
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Type: [[TYPE=STT_NOTYPE]]
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- Name: [[NAME=normal]]
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Section: .text
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Binding: STB_GLOBAL
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Type: [[TYPE=STT_NOTYPE]]
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- Name: [[NAME=common]]
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Index: SHN_COMMON
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Binding: STB_GLOBAL
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Type: [[TYPE=STT_NOTYPE]]
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- Name: [[NAME=absolute]]
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Index: SHN_ABS
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Binding: STB_GLOBAL
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Type: [[TYPE=STT_NOTYPE]]
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- Name: [[NAME=proc]]
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Index: 0xff01
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Binding: STB_GLOBAL
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Type: [[TYPE=STT_NOTYPE]]
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- Name: [[NAME=os]]
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Index: 0xff21
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Binding: STB_GLOBAL
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Type: [[TYPE=STT_NOTYPE]]
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- Name: [[NAME=reserved]]
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Index: 0xfffe
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Binding: STB_GLOBAL
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Type: [[TYPE=STT_NOTYPE]]
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- Name: [[NAME=xindex]]
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Index: SHN_XINDEX
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Binding: STB_GLOBAL
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Type: [[TYPE=STT_NOTYPE]]
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## Check the behavior for section symbols.
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# RUN: yaml2obj --docnum=1 -DTYPE=STT_SECTION %s -o %t1-sec
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# RUN: llvm-readobj --symbols %t1-sec | FileCheck %s --check-prefix=LLVM1
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# RUN: llvm-readelf --symbols %t1-sec | FileCheck %s --check-prefix=GNU1
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## Check the behavior for unnamed section symbols.
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# RUN: yaml2obj --docnum=1 -DTYPE=STT_SECTION -DNAME="''" %s -o %t1-sec-unnamed
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# RUN: llvm-readobj --symbols %t1-sec-unnamed 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t1-sec-unnamed --check-prefix=LLVM1-SEC-SYMS
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# RUN: llvm-readelf --symbols %t1-sec-unnamed 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t1-sec-unnamed --check-prefix=GNU1-SEC-SYMS
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# LLVM1-SEC-SYMS: Symbols [
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# LLVM1-SEC-SYMS-NEXT: Symbol {
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# LLVM1-SEC-SYMS-NEXT: Name: (0)
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# LLVM1-SEC-SYMS: Section: Undefined (0x0)
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# LLVM1-SEC-SYMS: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0x0 (SHN_UNDEF)
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# LLVM1-SEC-SYMS-NEXT: Symbol {
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# LLVM1-SEC-SYMS-NEXT: Name: <?> (0)
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# LLVM1-SEC-SYMS: Section: Undefined (0x0)
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# LLVM1-SEC-SYMS: Symbol {
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# LLVM1-SEC-SYMS-NEXT: Name: .text (0)
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# LLVM1-SEC-SYMS: Section: .text (0x1)
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# LLVM1-SEC-SYMS: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfff2 (SHN_COMMON)
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# LLVM1-SEC-SYMS-NEXT: Symbol {
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# LLVM1-SEC-SYMS-NEXT: Name: <?> (0)
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# LLVM1-SEC-SYMS: Section: Common (0xFFF2)
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# LLVM1-SEC-SYMS: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfff1 (SHN_ABS)
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# LLVM1-SEC-SYMS-NEXT: Symbol {
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# LLVM1-SEC-SYMS-NEXT: Name: <?> (0)
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# LLVM1-SEC-SYMS: Section: Absolute (0xFFF1)
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# LLVM1-SEC-SYMS: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xff01 (SHN_LOPROC+0x1)
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# LLVM1-SEC-SYMS-NEXT: Symbol {
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# LLVM1-SEC-SYMS-NEXT: Name: <?> (0)
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# LLVM1-SEC-SYMS: Section: Processor Specific (0xFF01)
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# LLVM1-SEC-SYMS: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xff21 (SHN_LOOS+0x1)
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# LLVM1-SEC-SYMS-NEXT: Symbol {
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# LLVM1-SEC-SYMS-NEXT: Name: <?> (0)
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# LLVM1-SEC-SYMS: Section: Operating System Specific (0xFF21)
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# LLVM1-SEC-SYMS: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfffe (SHN_LORESERVE+0xfe)
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# LLVM1-SEC-SYMS-NEXT: Symbol {
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# LLVM1-SEC-SYMS-NEXT: Name: <?> (0)
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# LLVM1-SEC-SYMS: Section: Reserved (0xFFFE)
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# LLVM1-SEC-SYMS: Symbol {
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# LLVM1-SEC-SYMS-NEXT: Name: .text (0)
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# LLVM1-SEC-SYMS: Section: .text (0x1)
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# GNU1-SEC-SYMS: Num: {{.*}} Ndx Name
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# GNU1-SEC-SYMS-NEXT: 0: {{.*}} UND {{$}}
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# GNU1-SEC-SYMS-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0x0 (SHN_UNDEF)
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# GNU1-SEC-SYMS-NEXT: 1: {{.*}} UND <?>
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# GNU1-SEC-SYMS-NEXT: 2: {{.*}} 1 .text
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# GNU1-SEC-SYMS-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfff2 (SHN_COMMON)
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# GNU1-SEC-SYMS-NEXT: 3: {{.*}} COM <?>
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# GNU1-SEC-SYMS-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfff1 (SHN_ABS)
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# GNU1-SEC-SYMS-NEXT: 4: {{.*}} ABS <?>
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# GNU1-SEC-SYMS-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xff01 (SHN_LOPROC+0x1)
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# GNU1-SEC-SYMS-NEXT: 5: {{.*}} PRC[0xff01] <?>
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# GNU1-SEC-SYMS-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xff21 (SHN_LOOS+0x1)
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# GNU1-SEC-SYMS-NEXT: 6: {{.*}} OS[0xff21] <?>
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# GNU1-SEC-SYMS-NEXT: warning: '[[FILE]]': unable to get section index for symbol with st_shndx = 0xfffe (SHN_LORESERVE+0xfe)
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# GNU1-SEC-SYMS-NEXT: 7: {{.*}} RSV[0xfffe] <?>
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# GNU1-SEC-SYMS-NEXT: 8: {{.*}} 1 .text
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## In this case, the index does not correspond to a real section. Check that GNU
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## style just prints the section index as normal and LLVM style prints a warning
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## (but only once for each warning).
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# RUN: yaml2obj --docnum=2 %s -o %t2
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# RUN: llvm-readobj --symbols %t2 2> %t2.llvm.err | FileCheck %s --check-prefix=LLVM2
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# RUN: FileCheck %s --input-file=%t2.llvm.err --check-prefix=BAD-SHNDX --implicit-check-not=warning
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# RUN: llvm-readelf --symbols %t2 2> %t2.gnu.err | FileCheck %s --check-prefix=GNU2
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# RUN: FileCheck %s --input-file=%t2.gnu.err --allow-empty --implicit-check-not={{.}}
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# LLVM2: Name: bad
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# LLVM2: Section:
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# LLVM2-SAME: <?> (0x42)
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# LLVM2: Name: bad2
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# LLVM2: Section:
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# LLVM2-SAME: <?> (0x42)
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# LLVM2: Name: bad3
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# LLVM2: Section:
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# LLVM2-SAME: <?> (0x43)
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# LLVM2: Name: invalid_shndx
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# LLVM2: Section:
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# LLVM2-SAME: <?> (0x9)
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# LLVM2: Name: invalid_shndx2
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# LLVM2: Section:
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# LLVM2-SAME: <?> (0x9)
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# LLVM2: Name: invalid_shndx3
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# LLVM2: Section:
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# LLVM2-SAME: <?> (0xA)
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# GNU2: Symbol table '.symtab' contains 7 entries:
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# GNU2-NEXT: Num: {{.*}} Ndx Name
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# GNU2-NEXT: 0: {{.*}} UND
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# GNU2-NEXT: 1: {{.*}} 66 bad
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# GNU2-NEXT: 2: {{.*}} 66 bad2
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# GNU2-NEXT: 3: {{.*}} 67 bad3
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# GNU2-NEXT: 4: {{.*}} 9 invalid_shndx
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# GNU2-NEXT: 5: {{.*}} 9 invalid_shndx2
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# GNU2-NEXT: 6: {{.*}} 10 invalid_shndx3
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# BAD-SHNDX: warning: '{{.*}}tmp2': invalid section index: 66
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# BAD-SHNDX: warning: '{{.*}}tmp2': invalid section index: 67
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# BAD-SHNDX: warning: '{{.*}}tmp2': invalid section index: 9
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# BAD-SHNDX: warning: '{{.*}}tmp2': invalid section index: 10
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--- !ELF
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FileHeader:
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Class: ELFCLASS32
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Data: ELFDATA2LSB
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Type: ET_REL
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Sections:
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- Name: .symtab_shndx
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Type: SHT_SYMTAB_SHNDX
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Link: .symtab
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Entries: [ 0, 0, 0, 0, 9, 9, 10 ]
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Symbols:
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- Name: bad
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Index: 0x42
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- Name: bad2
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Index: 0x42
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- Name: bad3
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Index: 0x43
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- Name: invalid_shndx
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Index: SHN_XINDEX
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- Name: invalid_shndx2
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Index: SHN_XINDEX
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- Name: invalid_shndx3
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Index: SHN_XINDEX
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## In this case, the symtab shndx section is missing, so symbols with section
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## indexes of SHN_XINDEX print as Reserved symbols.
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# RUN: yaml2obj --docnum=3 %s -o %t3
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# RUN: llvm-readobj --symbols %t3 2> %t3.llvm.err | FileCheck %s --check-prefix=LLVM3
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# RUN: FileCheck %s --input-file=%t3.llvm.err --check-prefix=NO-SYMTAB-SHNDX --implicit-check-not=warning
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# RUN: llvm-readelf --symbols %t3 2> %t3.gnu.err | FileCheck %s --check-prefix=GNU3
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# RUN: FileCheck %s --input-file=%t3.gnu.err --check-prefix=NO-SYMTAB-SHNDX --implicit-check-not=warning
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# LLVM3: Name: no_shndx
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# LLVM3: Section:
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# LLVM3-SAME: Reserved (0xFFFF)
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# LLVM3: Name: no_shndx2
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# LLVM3: Section:
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# LLVM3-SAME: Reserved (0xFFFF)
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# GNU3: Symbol table '.symtab' contains 3 entries:
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# GNU3-NEXT: Num: {{.*}} Ndx Name
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# GNU3-NEXT: 0: {{.*}} UND
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# GNU3-NEXT: 1: {{.*}} RSV[0xffff] no_shndx
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# GNU3-NEXT: 2: {{.*}} RSV[0xffff] no_shndx2
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# NO-SYMTAB-SHNDX: warning: '{{.*}}tmp3': found an extended symbol index (1), but unable to locate the extended symbol index table
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# NO-SYMTAB-SHNDX: warning: '{{.*}}tmp3': found an extended symbol index (2), but unable to locate the extended symbol index table
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--- !ELF
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FileHeader:
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Class: ELFCLASS32
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Data: ELFDATA2LSB
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Type: ET_REL
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Symbols:
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- Name: no_shndx
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Index: SHN_XINDEX
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- Name: no_shndx2
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Index: SHN_XINDEX
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## Check we can dump symbols even when the number of entries in the
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## SHT_SYMTAB_SHNDX section doesn't match the number of symbols in the symbol table.
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# RUN: yaml2obj --docnum=4 %s -o %t4
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# RUN: llvm-readelf --symbols %t4 2>&1 | FileCheck %s -DFILE=%t4 --check-prefix=SHNDX-ERR-GNU
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# RUN: llvm-readobj --symbols %t4 2>&1 | FileCheck %s -DFILE=%t4 --check-prefix=SHNDX-ERR-LLVM
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# SHNDX-ERR-GNU: warning: '[[FILE]]': SHT_SYMTAB_SHNDX has 3 entries, but the symbol table associated has 2
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# SHNDX-ERR-GNU-EMPTY:
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# SHNDX-ERR-GNU-NEXT: Symbol table '.symtab' contains 2 entries:
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# SHNDX-ERR-GNU-NEXT: Num: Value Size Type Bind Vis Ndx Name
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# SHNDX-ERR-GNU-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
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# SHNDX-ERR-GNU-NEXT: warning: '[[FILE]]': found an extended symbol index (1), but unable to locate the extended symbol index table
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# SHNDX-ERR-GNU-NEXT: 1: 0000000000000000 0 NOTYPE LOCAL DEFAULT RSV[0xffff]
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# SHNDX-ERR-GNU-EMPTY:
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# SHNDX-ERR-GNU-NOT:{{.}}
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# SHNDX-ERR-LLVM: warning: '[[FILE]]': SHT_SYMTAB_SHNDX has 3 entries, but the symbol table associated has 2
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# SHNDX-ERR-LLVM: Format: elf64-unknown
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# SHNDX-ERR-LLVM-NEXT: Arch: unknown
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# SHNDX-ERR-LLVM-NEXT: AddressSize: 64bit
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# SHNDX-ERR-LLVM-NEXT: LoadName: <Not found>
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# SHNDX-ERR-LLVM-NEXT: Symbols [
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# SHNDX-ERR-LLVM-NEXT: Symbol {
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# SHNDX-ERR-LLVM-NEXT: Name: (0)
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# SHNDX-ERR-LLVM-NEXT: Value: 0x0
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# SHNDX-ERR-LLVM-NEXT: Size: 0
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# SHNDX-ERR-LLVM-NEXT: Binding: Local (0x0)
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# SHNDX-ERR-LLVM-NEXT: Type: None (0x0)
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# SHNDX-ERR-LLVM-NEXT: Other: 0
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# 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
|