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| # RUN: yaml2obj %s > %t.o
# Tests that only global symbols (via -G/--keep-global-symbols) are kept via
# the several different variants of -G/--keep-global-symbol(s).
#
# Local1: Local because "-G Local1" doesn't make symbols global.
# Local2: Global because of "--globalize-symbol Local2".
# Weak1: Weak because "-G Weak1" doesn't make symbols global.
# Weak2: Global because of "--globalize-symbol Weak2".
# Weak3: Local because no -G flag covers it.
# Global1: Global because of "-G Global1".
# Global2: Global because of "--keep-global-symbol Global2".
# Global3: Global because of "--keep-global-symbols %t-globals1.txt".
# Global4: Global because of "--keep-global-symbols %t-globals2.txt".
# Global5: Local, it appears in %t-globals2.txt but only in comments and as
# part of another symbol
# Global6: Local, it appears in %t-globals2.txt but only part of another symbol
# "Global5 Global6": Global, because it appears in %t-globals2.txt, but we only
# trim leading and trailing whitespace. We don't just take the first chunk
# that looks like a symbol.
# Global7: Global, because even though it doesn't appear as any -G flags, does
# not get demoted since it's undefined.
# RUN: echo Global2 > %t-globals1.txt
# RUN: echo " Global3 " > %t-globals2.txt
# RUN: echo "Global4 # Global5" >> %t-globals2.txt
# RUN: echo " Global5 Global6 " >> %t-globals2.txt
# RUN: echo "Unknown" >> %t-globals2.txt
# RUN: echo " " >> %t-globals2.txt
# RUN: echo "# File with no symbols" > %t-globals3.txt
# RUN: echo "^Global[0-9]+([[:space:]]Global6)*$" > %t-globals-regexp.txt
# RUN: llvm-objcopy \
# RUN: -G Global1 \
# RUN: --keep-global-symbol Global2 \
# RUN: --keep-global-symbols %t-globals1.txt \
# RUN: --keep-global-symbols %t-globals2.txt \
# RUN: -G Local1 \
# RUN: --globalize-symbol Local2 \
# RUN: -G Weak1 \
# RUN: --globalize-symbol Weak2 \
# RUN: %t.o %t.2.o
# RUN: llvm-readelf --symbols %t.2.o | FileCheck %s
# RUN: llvm-objcopy --regex --keep-global-symbols %t-globals-regexp.txt %t.o %t.3.o
# RUN: llvm-readelf --symbols %t.3.o | FileCheck %s --check-prefix=REGEXP
!ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Sections:
- Name: .text
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
Symbols:
- Name: Local1
Section: .text
- Name: Local2
Section: .text
- Name: Global1
Section: .text
Binding: STB_GLOBAL
- Name: Global2
Section: .text
Binding: STB_GLOBAL
- Name: Global3
Section: .text
Binding: STB_GLOBAL
- Name: Global4
Section: .text
Binding: STB_GLOBAL
- Name: Global5
Section: .text
Binding: STB_GLOBAL
- Name: Global6
Section: .text
Binding: STB_GLOBAL
- Name: "Global5 Global6"
Section: .text
Binding: STB_GLOBAL
- Name: Global7
Binding: STB_GLOBAL
- Name: Weak1
Section: .text
Binding: STB_WEAK
- Name: Weak2
Section: .text
Binding: STB_WEAK
- Name: Weak3
Section: .text
Binding: STB_WEAK
# CHECK: Symbol table '.symtab' contains 14 entries:
# CHECK-NEXT: Num: Value Size Type Bind Vis Ndx Name
# CHECK-NEXT: 0: {{.*}} LOCAL {{.*}}
# CHECK-NEXT: 1: {{.*}} LOCAL {{.*}} Local1
# CHECK-NEXT: 2: {{.*}} LOCAL {{.*}} Global5
# CHECK-NEXT: 3: {{.*}} LOCAL {{.*}} Global6
# CHECK-NEXT: 4: {{.*}} LOCAL {{.*}} Weak3
# CHECK-NEXT: 5: {{.*}} GLOBAL {{.*}} Local2
# CHECK-NEXT: 6: {{.*}} GLOBAL {{.*}} Global1
# CHECK-NEXT: 7: {{.*}} GLOBAL {{.*}} Global2
# CHECK-NEXT: 8: {{.*}} GLOBAL {{.*}} Global3
# CHECK-NEXT: 9: {{.*}} GLOBAL {{.*}} Global4
# CHECK-NEXT: 10: {{.*}} GLOBAL {{.*}} Global5 Global6
# CHECK-NEXT: 11: {{.*}} GLOBAL {{.*}} UND Global7
# CHECK-NEXT: 12: {{.*}} WEAK {{.*}} Weak1
# CHECK-NEXT: 13: {{.*}} GLOBAL {{.*}} Weak2
# REGEXP: 6: {{.*}} GLOBAL {{.*}} Global1
# REGEXP-NEXT: 7: {{.*}} GLOBAL {{.*}} Global2
# REGEXP-NEXT: 8: {{.*}} GLOBAL {{.*}} Global3
# REGEXP-NEXT: 9: {{.*}} GLOBAL {{.*}} Global4
# REGEXP-NEXT: 10: {{.*}} GLOBAL {{.*}} Global5
# REGEXP-NEXT: 11: {{.*}} GLOBAL {{.*}} Global6
# REGEXP-NEXT: 12: {{.*}} GLOBAL {{.*}} Global5 Global6
# REGEXP-NEXT: 13: {{.*}} GLOBAL {{.*}} UND Global7
|