forked from OSchip/llvm-project
161 lines
6.1 KiB
Plaintext
161 lines
6.1 KiB
Plaintext
## This is a general test for --symbols option and its aliases.
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## There are also other symbols* tests that check specific things.
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## For testing and behavior documenting purposes we are using ET_REL and ET_DYN inputs.
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## Relocatable ELF objects are very different by nature from executables and dynamic libraries.
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## They might never have dynamic symbols normally, for example, though we still want
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## to document the --dyn-symbols behavior.
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## There is no need to check ET_EXEC inputs because for dumpers there is no difference
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## between them and ET_DYN inputs in the context of this test.
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## Case 1: Test how llvm-readobj and llvm-readelf dumps symbols.
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## a) Check relocatable objects.
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# RUN: yaml2obj %s --docnum=1 -o %t64
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# RUN: llvm-readobj --symbols %t64 | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-LLVM
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# RUN: llvm-readelf --symbols %t64 | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-GNU64
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# RUN: yaml2obj %s --docnum=2 -o %t32
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# RUN: llvm-readobj --symbols %t32 | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-LLVM
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# RUN: llvm-readelf --symbols %t32 | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-GNU32
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## b) Check dynamic objects.
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# RUN: yaml2obj %s --docnum=3 -o %t64.so
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# RUN: llvm-readobj --symbols %t64.so | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-LLVM
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# RUN: llvm-readelf --symbols %t64.so | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-GNU64
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# RUN: yaml2obj %s --docnum=4 -o %t32.so
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# RUN: llvm-readobj --symbols %t32.so | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-LLVM
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# RUN: llvm-readelf --symbols %t32.so | FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SYMBOLS-GNU32
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# SYMBOLS-LLVM:Symbols [
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# SYMBOLS-LLVM-NEXT: Symbol {
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# SYMBOLS-LLVM-NEXT: Name: (0)
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# SYMBOLS-LLVM-NEXT: Value: 0x0
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# SYMBOLS-LLVM-NEXT: Size: 0
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# SYMBOLS-LLVM-NEXT: Binding: Local (0x0)
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# SYMBOLS-LLVM-NEXT: Type: None (0x0)
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# SYMBOLS-LLVM-NEXT: Other: 0
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# SYMBOLS-LLVM-NEXT: Section: Undefined (0x0)
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# SYMBOLS-LLVM-NEXT: }
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# SYMBOLS-LLVM-NEXT: Symbol {
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# SYMBOLS-LLVM-NEXT: Name: foo (5)
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# SYMBOLS-LLVM-NEXT: Value: 0x1
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# SYMBOLS-LLVM-NEXT: Size: 0
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# SYMBOLS-LLVM-NEXT: Binding: Local (0x0)
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# SYMBOLS-LLVM-NEXT: Type: None (0x0)
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# SYMBOLS-LLVM-NEXT: Other: 0
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# SYMBOLS-LLVM-NEXT: Section: Undefined (0x0)
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# SYMBOLS-LLVM-NEXT: }
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# SYMBOLS-LLVM-NEXT: Symbol {
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# SYMBOLS-LLVM-NEXT: Name: bar (1)
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# SYMBOLS-LLVM-NEXT: Value: 0x2
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# SYMBOLS-LLVM-NEXT: Size: 0
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# SYMBOLS-LLVM-NEXT: Binding: Local (0x0)
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# SYMBOLS-LLVM-NEXT: Type: None (0x0)
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# SYMBOLS-LLVM-NEXT: Other: 0
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# SYMBOLS-LLVM-NEXT: Section: Undefined (0x0)
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# SYMBOLS-LLVM-NEXT: }
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# SYMBOLS-LLVM-NEXT:]
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# SYMBOLS-GNU64:Symbol table '.symtab' contains 3 entries:
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# SYMBOLS-GNU64-NEXT: Num: Value Size Type Bind Vis Ndx Name
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# SYMBOLS-GNU64-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
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# SYMBOLS-GNU64-NEXT: 1: 0000000000000001 0 NOTYPE LOCAL DEFAULT UND foo
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# SYMBOLS-GNU64-NEXT: 2: 0000000000000002 0 NOTYPE LOCAL DEFAULT UND bar
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# SYMBOLS-GNU32:Symbol table '.symtab' contains 3 entries:
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# SYMBOLS-GNU32-NEXT: Num: Value Size Type Bind Vis Ndx Name
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# SYMBOLS-GNU32-NEXT: 0: 00000000 0 NOTYPE LOCAL DEFAULT UND
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# SYMBOLS-GNU32-NEXT: 1: 00000001 0 NOTYPE LOCAL DEFAULT UND foo
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# SYMBOLS-GNU32-NEXT: 2: 00000002 0 NOTYPE LOCAL DEFAULT UND bar
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## Case 2: Check flag aliases produce identical output
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# RUN: llvm-readobj --symbols %t64 > %t.symbols
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# RUN: llvm-readobj --syms %t64 > %t.syms
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# RUN: cmp %t.symbols %t.syms
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# RUN: llvm-readobj -t %t64 > %t.t
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# RUN: cmp %t.symbols %t.t
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# RUN: llvm-readelf -s --elf-output-style=LLVM %t64 > %t.lowers
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# RUN: cmp %t.symbols %t.lowers
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# RUN: llvm-readelf --symbols %t64 > %t.symbols.gnu
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# RUN: llvm-readelf --syms %t64 > %t.syms.gnu
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# RUN: cmp %t.symbols.gnu %t.syms.gnu
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## There is no -t option in llvm-readelf.
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# RUN: not llvm-readelf -t %t64 2>&1 | FileCheck %s --check-prefix=NO-T-ERR
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# NO-T-ERR: Unknown command line argument '-t'
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## -s is an llvm-readobj option to dump sections.
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# RUN: llvm-readobj -s --elf-output-style=GNU %t64 | FileCheck %s --implicit-check-not="Symbol table"
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## Case 3: Test that both regular and dynamic symbols are dumped when `--symbols` and `--dyn-symbols`
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## are specified together. Note that the order is different for different styles.
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# RUN: llvm-readobj --symbols --dyn-symbols %t64 | FileCheck %s --check-prefix=BOTH-LLVM
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# RUN: llvm-readelf --symbols --dyn-symbols %t64 | FileCheck %s --check-prefix=BOTH-GNU
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# BOTH-LLVM: Symbols [
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# BOTH-LLVM: DynamicSymbols [
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# BOTH-GNU: Symbol table '.dynsym'
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# BOTH-GNU: Symbol table '.symtab'
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## Case 4: --symbols implies --dyn-symbols for llvm-readelf.
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# RUN: llvm-readobj --symbols %t64 | FileCheck %s --implicit-check-not="DynamicSymbols ["
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# RUN: llvm-readelf --symbols %t64 | FileCheck %s --check-prefix=BOTH-GNU
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## Case 5: Test that `--dyn-symbols` does not trigger `--symbols` implicitly.
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# RUN: llvm-readobj --dyn-symbols %t64 | FileCheck %s --implicit-check-not="{{^}}Symbols ["
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# RUN: llvm-readelf --dyn-symbols %t64 | FileCheck %s --implicit-check-not="Symbol table '.symtab'"
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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_REL
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Machine: EM_X86_64
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Symbols:
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- Name: foo
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Value: 0x1
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- Name: bar
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Value: 0x2
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DynamicSymbols:
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- Name: zed
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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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Machine: EM_386
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Symbols:
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- Name: foo
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Value: 0x1
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- Name: bar
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Value: 0x2
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DynamicSymbols:
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- Name: zed
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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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Symbols:
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- Name: foo
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Value: 0x1
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- Name: bar
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Value: 0x2
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DynamicSymbols:
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- Name: zed
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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_DYN
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Machine: EM_386
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Symbols:
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- Name: foo
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Value: 0x1
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- Name: bar
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Value: 0x2
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DynamicSymbols:
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- Name: zed
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