## Show that llvm-readobj/llvm-readelf tools can dump the .dynamic section which ## is not alone in PT_DYNAMIC segment. ## In the first case .text is placed before .dynamic. ## We check that we warn about this case. # RUN: yaml2obj --docnum=1 %s -o %t1.o # RUN: llvm-readobj --dynamic-table %t1.o 2>&1 \ # RUN: | FileCheck %s --DFILE=%t1.o --check-prefixes=WARNING,LLVM # RUN: llvm-readelf --dynamic-table %t1.o 2>&1 \ # RUN: | FileCheck %s --DFILE=%t1.o --check-prefixes=WARNING,GNU # WARNING: warning: '[[FILE]]': SHT_DYNAMIC section with index 2 is not at the start of PT_DYNAMIC segment # WARNING: warning: '[[FILE]]': invalid PT_DYNAMIC size (0x21){{$}} # WARNING: warning: '[[FILE]]': SHT_DYNAMIC section header and PT_DYNAMIC program header disagree about the location of the dynamic table # WARNING: warning: '[[FILE]]': PT_DYNAMIC dynamic table is invalid: SHT_DYNAMIC will be used # LLVM: DynamicSection [ (2 entries) # LLVM-NEXT: Tag Type Name/Value # LLVM-NEXT: 0x0000000000000018 BIND_NOW 0x1 # LLVM-NEXT: 0x0000000000000000 NULL 0x0 # LLVM-NEXT: ] # GNU: Dynamic section at offset 0x{{.*}} contains 2 entries: # GNU-NEXT: Tag Type Name/Value # GNU-NEXT: 0x0000000000000018 (BIND_NOW) 0x1 # GNU-NEXT: 0x0000000000000000 (NULL) 0x0 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .text Type: SHT_PROGBITS Flags: [SHF_ALLOC] Address: 0x1000 AddressAlign: 0x100 Content: "00" - Name: .dynamic Type: SHT_DYNAMIC Flags: [SHF_ALLOC] Address: 0x1001 Entries: - Tag: DT_BIND_NOW Value: 0x1 - Tag: DT_NULL Value: 0x0 ProgramHeaders: - Type: PT_LOAD VAddr: 0x1000 FirstSec: .text LastSec: .dynamic - Type: PT_DYNAMIC VAddr: 0x1000 FirstSec: .text LastSec: .dynamic ## In this case .text goes after .dynamic and we don't display any warnings, ## though the content of the .text is used for dumping the dynamic table. # RUN: yaml2obj --docnum=2 %s -o %t2.o # RUN: llvm-readobj --dynamic-table %t2.o 2>&1 | FileCheck %s --check-prefix=LLVM2 # RUN: llvm-readelf --dynamic-table %t2.o 2>&1 | FileCheck %s --check-prefix=GNU2 # LLVM2: DynamicSection [ (3 entries) # LLVM2-NEXT: Tag Type Name/Value # LLVM2-NEXT: 0x0000000000000018 BIND_NOW 0x1 # LLVM2-NEXT: 0x0000000000000018 BIND_NOW 0x2 # LLVM2-NEXT: 0x0000000000000000 NULL 0x0 # LLVM2-NEXT: ] # GNU2: Dynamic section at offset 0x{{.*}} contains 3 entries: # GNU2-NEXT: Tag Type Name/Value # GNU2-NEXT: 0x0000000000000018 (BIND_NOW) 0x1 # GNU2-NEXT: 0x0000000000000018 (BIND_NOW) 0x2 # GNU2-NEXT: 0x0000000000000000 (NULL) 0x0 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .dynamic Type: SHT_DYNAMIC Flags: [SHF_ALLOC] Address: 0x1000 AddressAlign: 0x1000 Entries: - Tag: DT_BIND_NOW Value: 0x1 - Tag: DT_BIND_NOW Value: 0x2 - Name: .text Type: SHT_PROGBITS Flags: [SHF_ALLOC] Address: 0x1100 AddressAlign: 0x100 Content: "00000000000000000000000000000000" ProgramHeaders: - Type: PT_LOAD VAddr: 0x1000 FirstSec: .dynamic LastSec: .text - Type: PT_DYNAMIC VAddr: 0x1000 FirstSec: .dynamic LastSec: .text ## In this case .text goes after .dynamic, but (PT_DYNAMIC segment size % dynamic entry size != 0) ## and we have to use the information from the section header instead. # RUN: yaml2obj --docnum=3 %s -o %t3.o # RUN: llvm-readobj --dynamic-table %t3.o 2>&1 | FileCheck %s --DFILE=%t3.o --check-prefixes=WARNING2,LLVM3 # RUN: llvm-readelf --dynamic-table %t3.o 2>&1 | FileCheck %s --DFILE=%t3.o --check-prefixes=WARNING2,GNU3 # WARNING2: warning: '[[FILE]]': invalid PT_DYNAMIC size (0x101){{$}} # WARNING2: warning: '[[FILE]]': PT_DYNAMIC dynamic table is invalid: SHT_DYNAMIC will be used # LLVM3: DynamicSection [ (2 entries) # LLVM3-NEXT: Tag Type Name/Value # LLVM3-NEXT: 0x0000000000000018 BIND_NOW 0x1 # LLVM3-NEXT: 0x0000000000000000 NULL 0x0 # LLVM3-NEXT: ] # GNU3: Dynamic section at offset 0x{{.*}} contains 2 entries: # GNU3-NEXT: Tag Type Name/Value # GNU3-NEXT: 0x0000000000000018 (BIND_NOW) 0x1 # GNU3-NEXT: 0x0000000000000000 (NULL) 0x0 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .dynamic Type: SHT_DYNAMIC Flags: [SHF_ALLOC] Address: 0x1000 AddressAlign: 0x1000 Entries: - Tag: DT_BIND_NOW Value: 0x1 - Tag: DT_NULL Value: 0x0 - Name: .text Type: SHT_PROGBITS Flags: [SHF_ALLOC] Address: 0x1100 AddressAlign: 0x100 Content: "00" ProgramHeaders: - Type: PT_LOAD VAddr: 0x1000 FirstSec: .dynamic LastSec: .text - Type: PT_DYNAMIC VAddr: 0x1000 FirstSec: .dynamic LastSec: .text