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121 lines
4.5 KiB
121 lines
4.5 KiB
4 months ago
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# RUN: yaml2obj %s -o %t.o
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# Tests that only global symbols (via -G/--keep-global-symbols) are kept via
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# the several different variants of -G/--keep-global-symbol(s).
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#
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# Local1: Local because "-G Local1" doesn't make symbols global.
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# Local2: Global because of "--globalize-symbol Local2".
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# Weak1: Weak because "-G Weak1" doesn't make symbols global.
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# Weak2: Global because of "--globalize-symbol Weak2".
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# Weak3: Local because no -G flag covers it.
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# Global1: Global because of "-G Global1".
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# Global2: Global because of "--keep-global-symbol Global2".
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# Global3: Global because of "--keep-global-symbols %t-globals1.txt".
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# Global4: Global because of "--keep-global-symbols %t-globals2.txt".
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# Global5: Local, it appears in %t-globals2.txt but only in comments and as
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# part of another symbol
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# Global6: Local, it appears in %t-globals2.txt but only part of another symbol
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# "Global5 Global6": Global, because it appears in %t-globals2.txt, but we only
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# trim leading and trailing whitespace. We don't just take the first chunk
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# that looks like a symbol.
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# Global7: Global, because even though it doesn't appear as any -G flags, does
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# not get demoted since it's undefined.
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# RUN: echo Global2 > %t-globals1.txt
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# RUN: echo " Global3 " > %t-globals2.txt
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# RUN: echo "Global4 # Global5" >> %t-globals2.txt
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# RUN: echo " Global5 Global6 " >> %t-globals2.txt
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# RUN: echo "Unknown" >> %t-globals2.txt
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# RUN: echo " " >> %t-globals2.txt
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# RUN: echo "# File with no symbols" > %t-globals3.txt
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# RUN: echo "^Global[0-9]+([[:space:]]Global6)*$" > %t-globals-regexp.txt
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# RUN: llvm-objcopy \
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# RUN: -G Global1 \
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# RUN: --keep-global-symbol Global2 \
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# RUN: --keep-global-symbols %t-globals1.txt \
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# RUN: --keep-global-symbols %t-globals2.txt \
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# RUN: -G Local1 \
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# RUN: --globalize-symbol Local2 \
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# RUN: -G Weak1 \
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# RUN: --globalize-symbol Weak2 \
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# RUN: %t.o %t.2.o
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# RUN: llvm-readelf --symbols %t.2.o | FileCheck %s
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# RUN: llvm-objcopy --regex --keep-global-symbols %t-globals-regexp.txt %t.o %t.3.o
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# RUN: llvm-readelf --symbols %t.3.o | FileCheck %s --check-prefix=REGEXP
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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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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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Symbols:
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- Name: Local1
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Section: .text
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- Name: Local2
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Section: .text
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- Name: Global1
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Section: .text
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Binding: STB_GLOBAL
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- Name: Global2
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Section: .text
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Binding: STB_GLOBAL
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- Name: Global3
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Section: .text
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Binding: STB_GLOBAL
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- Name: Global4
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Section: .text
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Binding: STB_GLOBAL
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- Name: Global5
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Section: .text
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Binding: STB_GLOBAL
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- Name: Global6
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Section: .text
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Binding: STB_GLOBAL
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- Name: "Global5 Global6"
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Section: .text
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Binding: STB_GLOBAL
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- Name: Global7
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Binding: STB_GLOBAL
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- Name: Weak1
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Section: .text
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Binding: STB_WEAK
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- Name: Weak2
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Section: .text
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Binding: STB_WEAK
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- Name: Weak3
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Section: .text
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Binding: STB_WEAK
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# CHECK: Symbol table '.symtab' contains 14 entries:
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# CHECK-NEXT: Num: Value Size Type Bind Vis Ndx Name
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# CHECK-NEXT: 0: {{.*}} LOCAL {{.*}}
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# CHECK-NEXT: 1: {{.*}} LOCAL {{.*}} Local1
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# CHECK-NEXT: 2: {{.*}} LOCAL {{.*}} Global5
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# CHECK-NEXT: 3: {{.*}} LOCAL {{.*}} Global6
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# CHECK-NEXT: 4: {{.*}} LOCAL {{.*}} Weak3
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# CHECK-NEXT: 5: {{.*}} GLOBAL {{.*}} Local2
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# CHECK-NEXT: 6: {{.*}} GLOBAL {{.*}} Global1
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# CHECK-NEXT: 7: {{.*}} GLOBAL {{.*}} Global2
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# CHECK-NEXT: 8: {{.*}} GLOBAL {{.*}} Global3
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# CHECK-NEXT: 9: {{.*}} GLOBAL {{.*}} Global4
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# CHECK-NEXT: 10: {{.*}} GLOBAL {{.*}} Global5 Global6
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# CHECK-NEXT: 11: {{.*}} GLOBAL {{.*}} UND Global7
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# CHECK-NEXT: 12: {{.*}} WEAK {{.*}} Weak1
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# CHECK-NEXT: 13: {{.*}} GLOBAL {{.*}} Weak2
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# REGEXP: 6: {{.*}} GLOBAL {{.*}} Global1
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# REGEXP-NEXT: 7: {{.*}} GLOBAL {{.*}} Global2
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# REGEXP-NEXT: 8: {{.*}} GLOBAL {{.*}} Global3
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# REGEXP-NEXT: 9: {{.*}} GLOBAL {{.*}} Global4
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# REGEXP-NEXT: 10: {{.*}} GLOBAL {{.*}} Global5
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# REGEXP-NEXT: 11: {{.*}} GLOBAL {{.*}} Global6
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# REGEXP-NEXT: 12: {{.*}} GLOBAL {{.*}} Global5 Global6
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# REGEXP-NEXT: 13: {{.*}} GLOBAL {{.*}} UND Global7
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