113 lines
4.8 KiB
Plaintext
113 lines
4.8 KiB
Plaintext
# RUN: llvm-readelf --hash-symbols %p/Inputs/dynamic-table-exe.x86 \
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# RUN: | FileCheck %s --check-prefix HASH
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# HASH: Symbol table of .hash for image:
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# HASH-NEXT: Num Buc: Value Size Type Bind Vis Ndx Name
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# HASH-NEXT: 9 0: 00000000 0 FUNC GLOBAL DEFAULT UND __gxx_personality_v0@CXXABI_1.3
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# HASH-NEXT: 13 0: 00001b64 0 NOTYPE GLOBAL DEFAULT ABS _edata{{$}}
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# HASH-NEXT: 7 0: 00000000 0 FUNC GLOBAL DEFAULT UND _ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode@GLIBCXX_3.4
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# HASH-NEXT: 2 0: 00000000 0 NOTYPE WEAK DEFAULT UND _Jv_RegisterClasses{{$}}
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# HASH-NEXT: 1 0: 00000000 0 NOTYPE WEAK DEFAULT UND __gmon_start__{{$}}
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# HASH-NEXT: 16 1: 00000850 81 FUNC GLOBAL DEFAULT 14 main{{$}}
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# HASH-NEXT: 10 1: 00000000 0 FUNC GLOBAL DEFAULT UND _Unwind_Resume@GCC_3.0
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# HASH-NEXT: 8 1: 00000000 0 FUNC GLOBAL DEFAULT UND puts@GLIBC_2.0
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# HASH-NEXT: 12 1: 00001b68 0 NOTYPE GLOBAL DEFAULT ABS _end{{$}}
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# HASH-NEXT: 6 1: 00000000 0 FUNC GLOBAL DEFAULT UND _ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev@GLIBCXX_3.4
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# HASH-NEXT: 5 1: 00000000 0 NOTYPE WEAK DEFAULT UND _ITM_registerTMCloneTable{{$}}
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# HASH-NEXT: 4 1: 00000000 0 NOTYPE WEAK DEFAULT UND _ITM_deregisterTMCloneTable{{$}}
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# HASH-NEXT: 3 1: 00000000 0 FUNC GLOBAL DEFAULT UND __libc_start_main@GLIBC_2.0
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# HASH-NEXT: 11 2: 00000000 0 FUNC WEAK DEFAULT UND __cxa_finalize@GLIBC_2.1.3
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# HASH-NEXT: 15 2: 00001b64 0 NOTYPE GLOBAL DEFAULT ABS __bss_start{{$}}
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# HASH-NEXT: 14 2: 0000093c 4 OBJECT GLOBAL DEFAULT 16 _IO_stdin_used{{$}}
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# HASH: Symbol table of .gnu.hash for image:
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# HASH-NEXT: Num Buc: Value Size Type Bind Vis Ndx Name
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# HASH-NEXT: 12 0: 00001b68 0 NOTYPE GLOBAL DEFAULT ABS _end{{$}}
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# HASH-NEXT: 13 0: 00001b64 0 NOTYPE GLOBAL DEFAULT ABS _edata{{$}}
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# HASH-NEXT: 14 1: 0000093c 4 OBJECT GLOBAL DEFAULT 16 _IO_stdin_used{{$}}
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# HASH-NEXT: 15 1: 00001b64 0 NOTYPE GLOBAL DEFAULT ABS __bss_start{{$}}
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# HASH-NEXT: 16 1: 00000850 81 FUNC GLOBAL DEFAULT 14 main{{$}}
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## Show that if there are no hash sections, we do not print anything.
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# RUN: yaml2obj %s -o %t.o
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# RUN: llvm-readelf --hash-symbols %t.o \
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# RUN: | FileCheck %s --check-prefix NO-HASH --allow-empty
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# NO-HASH-NOT: {{.}}
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## Sanity check that we can still find the dynamic symbols (i.e. the above test
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## doesn't pass due to a mistake in the dynamic section).
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# RUN: llvm-readelf --dyn-symbols %t.o | FileCheck %s --check-prefix DYNSYMS
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# DYNSYMS: Symbol table '.dynsym' contains 2 entries:
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!ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_DYN
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Machine: EM_X86_64
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Sections:
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## TODO: Replace the raw section contents with more meaningful dynamic
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## tags/symbols/etc, once yaml2obj supports it.
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## FIXME: yaml2obj does not currently allow custom addresses for .dynstr and
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## .dynsym if DynamicSymbols are specified.
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## See https://bugs.llvm.org/show_bug.cgi?id=40339
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- Name: .dynstr
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Type: SHT_STRTAB
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Flags: [ SHF_ALLOC ]
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AddressAlign: 0x100
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EntSize: 0x1
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## "\0_Z3fooi\0"
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Content: "005f5a33666f6f6900"
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- Name: .dynsym
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Type: SHT_DYNSYM
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Flags: [ SHF_ALLOC ]
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Link: .dynstr
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Address: 0x100
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AddressAlign: 0x100
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EntSize: 0x18
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## Null symbol;
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## st_name: 1; st_info: Global | Func; st_other: 0;
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## st_shndx: .text.foo; st_value: 0x2000; st_size: 0
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Content: "000000000000000000000000000000000000000000000000010000001200040000200000000000000000000000000000"
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- Name: .dynamic
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Type: SHT_DYNAMIC
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Flags: [ SHF_ALLOC ]
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Address: 0x0000000000001000
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Link: .dynstr
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AddressAlign: 0x0000000000001000
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EntSize: 0x0000000000000010
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Entries:
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- Tag: DT_STRTAB
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Value: 0x0000000000000000
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- Tag: DT_STRSZ
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Value: 0x0000000000000009
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- Tag: DT_SYMTAB
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Value: 0x0000000000000100
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- Tag: DT_SYMENT
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Value: 0x0000000000000018
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- Tag: DT_NULL
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Value: 0x0000000000000000
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- Name: .text.foo
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR, SHF_GROUP ]
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Size: 0x40
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Address: 0x2000
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AddressAlign: 0x2000
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ProgramHeaders:
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- Type: PT_LOAD
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Flags: [ PF_R, PF_X ]
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VAddr: 0x0
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PAddr: 0x0
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Sections:
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- Section: .dynsym
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- Section: .dynstr
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- Section: .dynamic
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- Section: .text.foo
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- Type: PT_DYNAMIC
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Flags: [ PF_R ]
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VAddr: 0x1000
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PAddr: 0x1000
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Sections:
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- Section: .dynamic
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