addrsig.test
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## Show that llvm-readobj can dump SHT_LLVM_ADDRSIG sections.
# RUN: yaml2obj --docnum=1 %s -o %t1.o
# RUN: llvm-readobj --addrsig %t1.o | FileCheck -DFILE=%t1.o %s --check-prefix LLVM
# RUN: not llvm-readelf --addrsig %t1.o 2>&1 | FileCheck -DFILE=%t1.o %s --check-prefix GNU
# LLVM: Addrsig [
# LLVM-NEXT: Sym: foo (1)
# LLVM-NEXT: Sym: bar (2)
# LLVM-NEXT: ]
# GNU: error: '[[FILE]]': --addrsig: not implemented
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .llvm_addrsig
Type: SHT_LLVM_ADDRSIG
Symbols: [ foo, bar ]
Symbols:
- Name: foo
- Name: bar
## Check that llvm-readobj dumps any SHT_LLVM_ADDRSIG section when --all
## is specified for LLVM style, but not for GNU style.
## TODO: Refine the llvm-readelf check when GNU-style dumping is implemented.
# RUN: llvm-readobj --all %t1.o | FileCheck %s --check-prefix LLVM
# RUN: llvm-readelf --all %t1.o 2>&1 | FileCheck %s --implicit-check-not=warning --implicit-check-not=error
## Check we report a warning when the content of the SHT_LLVM_ADDRSIG section
## is broken (e.g. contains a malformed uleb128).
# RUN: yaml2obj --docnum=2 %s -o %t2.1.o
# RUN: llvm-readobj --addrsig %t2.1.o 2>&1 | FileCheck %s -DFILE=%t2.1.o --check-prefix=MALFORMED
# MALFORMED: Addrsig [
# MALFORMED-NEXT: warning: '[[FILE]]': unable to decode SHT_LLVM_ADDRSIG section with index 1: malformed uleb128, extends past end
# MALFORMED-NEXT: ]
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .llvm_addrsig
Type: SHT_LLVM_ADDRSIG
Content: "FF"
ShOffset: [[OFFSET=<none>]]
## Check we report a warning when the content of the SHT_LLVM_ADDRSIG section can't be read.
# RUN: yaml2obj --docnum=2 -DOFFSET=0xffffffff %s -o %t2.2.o
# RUN: llvm-readobj --addrsig %t2.2.o 2>&1 | FileCheck %s -DFILE=%t2.2.o --check-prefix=BROKEN-SEC
# BROKEN-SEC: Addrsig [
# BROKEN-SEC-NEXT: warning: '[[FILE]]': section [index 1] has a sh_offset (0xffffffff) + sh_size (0x1) that is greater than the file size (0x168)
# BROKEN-SEC-NEXT: ]
## Check we report a warning when SHT_LLVM_ADDRSIG references a symbol that can't be
## dumped (e.g. the index value is larger than the number of symbols in .symtab).
# RUN: yaml2obj --docnum=3 %s -o %t3.o
# RUN: llvm-readobj --addrsig %t3.o 2>&1 | FileCheck %s -DFILE=%t3.o --check-prefix=INVALID-INDEX
# INVALID-INDEX: Addrsig [
# INVALID-INDEX-NEXT: Sym: foo (1)
# INVALID-INDEX-NEXT: warning: '[[FILE]]': unable to read the name of symbol with index 255: unable to get symbol from section [index 2]: invalid symbol index (255)
# INVALID-INDEX-NEXT: Sym: <?> (255)
# INVALID-INDEX-NEXT: Sym: bar (2)
# INVALID-INDEX-NEXT: ]
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .llvm_addrsig
Type: SHT_LLVM_ADDRSIG
Symbols: [ 1, 255, 2 ]
Symbols:
- Name: foo
- Name: bar