## 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: llvm-readelf --addrsig %t1.o | \ # RUN: FileCheck -DFILE=%t1.o %s --strict-whitespace --match-full-lines --check-prefix=GNU # LLVM: Addrsig [ # LLVM-NEXT: Sym: foo (1) # LLVM-NEXT: Sym: bar (2) # LLVM-NEXT: ] # GNU:Address-significant symbols section '.llvm_addrsig' contains 2 entries: # GNU-NEXT: Num: Name # GNU-NEXT: 1: foo # GNU-NEXT: 2: bar # GNU-EMPTY: # GNU-NOT:{{.}} --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_DYN Sections: - Name: .llvm_addrsig ShName: [[NAME=<none>]] Type: SHT_LLVM_ADDRSIG Symbols: [ foo, bar ] Symbols: - Name: foo - Name: bar ## Check what we print when it is impossible to read the name of the SHT_LLVM_ADDRSIG section. ## llvm-readelf reports a warning in this case. # RUN: yaml2obj --docnum=1 -DNAME=0xff %s -o %t1.name.o # RUN: llvm-readobj --addrsig %t1.name.o 2>&1 | \ # RUN: FileCheck -DFILE=%t1.name.o %s --check-prefix=LLVM --implicit-check-not=warning: # RUN: llvm-readelf --addrsig %t1.name.o 2>&1 | \ # RUN: FileCheck -DFILE=%t1.name.o %s --check-prefix=NAME-GNU --implicit-check-not=warning: # NAME-GNU: warning: '[[FILE]]': unable to get the name of SHT_LLVM_ADDRSIG section with index 1: a section [index 1] has an invalid sh_name (0xff) offset which goes past the end of the section name string table # NAME-GNU: Address-significant symbols section '<?>' contains 2 entries: # NAME-GNU-NEXT: Num: Name # NAME-GNU-NEXT: 1: foo # NAME-GNU-NEXT: 2: bar ## Check that llvm-readobj dumps any SHT_LLVM_ADDRSIG section when --all ## is specified for LLVM style, but not for GNU style. # RUN: llvm-readobj --all %t1.o | FileCheck %s --check-prefix=LLVM # RUN: llvm-readelf --all %t1.o | FileCheck %s --implicit-check-not="Address-significant" ## 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-LLVM # RUN: llvm-readelf --addrsig %t2.1.o 2>&1 | FileCheck %s -DFILE=%t2.1.o --check-prefix=MALFORMED-GNU # MALFORMED-LLVM: Addrsig [ # MALFORMED-LLVM-NEXT: warning: '[[FILE]]': unable to decode SHT_LLVM_ADDRSIG section with index 1: malformed uleb128, extends past end # MALFORMED-LLVM-NEXT: ] # MALFORMED-GNU: warning: '[[FILE]]': unable to decode SHT_LLVM_ADDRSIG section with index 1: malformed uleb128, extends past end # MALFORMED-GNU-NOT:{{.}} --- !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-LLVM # RUN: llvm-readelf --addrsig %t2.2.o 2>&1 | FileCheck %s -DFILE=%t2.2.o --check-prefix=BROKEN-SEC-GNU # BROKEN-SEC-LLVM: Addrsig [ # BROKEN-SEC-LLVM-NEXT: warning: '[[FILE]]': section [index 1] has a sh_offset (0xffffffff) + sh_size (0x1) that is greater than the file size (0x168) # BROKEN-SEC-LLVM-NEXT: ] # BROKEN-SEC-GNU: warning: '[[FILE]]': section [index 1] has a sh_offset (0xffffffff) + sh_size (0x1) that is greater than the file size (0x168) # BROKEN-SEC-GNU-NOT:{{.}} ## 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-LLVM # RUN: llvm-readelf --addrsig %t3.o 2>&1 | FileCheck %s -DFILE=%t3.o --check-prefix=INVALID-INDEX-GNU # INVALID-INDEX-LLVM: Addrsig [ # INVALID-INDEX-LLVM-NEXT: Sym: foo (1) # INVALID-INDEX-LLVM-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-LLVM-NEXT: Sym: <?> (255) # INVALID-INDEX-LLVM-NEXT: Sym: bar (2) # INVALID-INDEX-LLVM-NEXT: ] # INVALID-INDEX-GNU: Address-significant symbols section '.llvm_addrsig' contains 3 entries: # INVALID-INDEX-GNU-NEXT: Num: Name # INVALID-INDEX-GNU-NEXT: 1: foo # INVALID-INDEX-GNU-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-GNU-NEXT: 2: <?> # INVALID-INDEX-GNU-NEXT: 3: bar --- !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