1# RUN: yaml2obj %s -o %t.o 2 3# Tests that only global symbols (via -G/--keep-global-symbols) are kept via 4# the several different variants of -G/--keep-global-symbol(s). 5# 6# Local1: Local because "-G Local1" doesn't make symbols global. 7# Local2: Global because of "--globalize-symbol Local2". 8# Weak1: Weak because "-G Weak1" doesn't make symbols global. 9# Weak2: Global because of "--globalize-symbol Weak2". 10# Weak3: Local because no -G flag covers it. 11# Global1: Global because of "-G Global1". 12# Global2: Global because of "--keep-global-symbol Global2". 13# Global3: Global because of "--keep-global-symbols %t-globals1.txt". 14# Global4: Global because of "--keep-global-symbols %t-globals2.txt". 15# Global5: Local, it appears in %t-globals2.txt but only in comments and as 16# part of another symbol 17# Global6: Local, it appears in %t-globals2.txt but only part of another symbol 18# "Global5 Global6": Global, because it appears in %t-globals2.txt, but we only 19# trim leading and trailing whitespace. We don't just take the first chunk 20# that looks like a symbol. 21# Global7: Global, because even though it doesn't appear as any -G flags, does 22# not get demoted since it's undefined. 23 24# RUN: echo Global2 > %t-globals1.txt 25# RUN: echo " Global3 " > %t-globals2.txt 26# RUN: echo "Global4 # Global5" >> %t-globals2.txt 27# RUN: echo " Global5 Global6 " >> %t-globals2.txt 28# RUN: echo "Unknown" >> %t-globals2.txt 29# RUN: echo " " >> %t-globals2.txt 30# RUN: echo "# File with no symbols" > %t-globals3.txt 31# RUN: echo "^Global[0-9]+([[:space:]]Global6)*$" > %t-globals-regexp.txt 32 33# RUN: llvm-objcopy \ 34# RUN: -G Global1 \ 35# RUN: --keep-global-symbol Global2 \ 36# RUN: --keep-global-symbols %t-globals1.txt \ 37# RUN: --keep-global-symbols %t-globals2.txt \ 38# RUN: -G Local1 \ 39# RUN: --globalize-symbol Local2 \ 40# RUN: -G Weak1 \ 41# RUN: --globalize-symbol Weak2 \ 42# RUN: %t.o %t.2.o 43# RUN: llvm-readelf --symbols %t.2.o | FileCheck %s 44 45# RUN: llvm-objcopy --regex --keep-global-symbols %t-globals-regexp.txt %t.o %t.3.o 46# RUN: llvm-readelf --symbols %t.3.o | FileCheck %s --check-prefix=REGEXP 47 48# RUN: llvm-objcopy --regex --keep-global-symbol='^Global[0-9]+([[:space:]]Global6)*$' %t.o %t.4.o 49# RUN: cmp %t.3.o %t.4.o 50 51!ELF 52FileHeader: 53 Class: ELFCLASS64 54 Data: ELFDATA2LSB 55 Type: ET_REL 56 Machine: EM_X86_64 57Sections: 58 - Name: .text 59 Type: SHT_PROGBITS 60 Flags: [ SHF_ALLOC, SHF_EXECINSTR ] 61Symbols: 62 - Name: Local1 63 Section: .text 64 - Name: Local2 65 Section: .text 66 - Name: Global1 67 Section: .text 68 Binding: STB_GLOBAL 69 - Name: Global2 70 Section: .text 71 Binding: STB_GLOBAL 72 - Name: Global3 73 Section: .text 74 Binding: STB_GLOBAL 75 - Name: Global4 76 Section: .text 77 Binding: STB_GLOBAL 78 - Name: Global5 79 Section: .text 80 Binding: STB_GLOBAL 81 - Name: Global6 82 Section: .text 83 Binding: STB_GLOBAL 84 - Name: "Global5 Global6" 85 Section: .text 86 Binding: STB_GLOBAL 87 - Name: Global7 88 Binding: STB_GLOBAL 89 - Name: Weak1 90 Section: .text 91 Binding: STB_WEAK 92 - Name: Weak2 93 Section: .text 94 Binding: STB_WEAK 95 - Name: Weak3 96 Section: .text 97 Binding: STB_WEAK 98 99# CHECK: Symbol table '.symtab' contains 14 entries: 100# CHECK-NEXT: Num: Value Size Type Bind Vis Ndx Name 101# CHECK-NEXT: 0: {{.*}} LOCAL {{.*}} 102# CHECK-NEXT: 1: {{.*}} LOCAL {{.*}} Local1 103# CHECK-NEXT: 2: {{.*}} LOCAL {{.*}} Global5 104# CHECK-NEXT: 3: {{.*}} LOCAL {{.*}} Global6 105# CHECK-NEXT: 4: {{.*}} LOCAL {{.*}} Weak3 106# CHECK-NEXT: 5: {{.*}} GLOBAL {{.*}} Local2 107# CHECK-NEXT: 6: {{.*}} GLOBAL {{.*}} Global1 108# CHECK-NEXT: 7: {{.*}} GLOBAL {{.*}} Global2 109# CHECK-NEXT: 8: {{.*}} GLOBAL {{.*}} Global3 110# CHECK-NEXT: 9: {{.*}} GLOBAL {{.*}} Global4 111# CHECK-NEXT: 10: {{.*}} GLOBAL {{.*}} Global5 Global6 112# CHECK-NEXT: 11: {{.*}} GLOBAL {{.*}} UND Global7 113# CHECK-NEXT: 12: {{.*}} WEAK {{.*}} Weak1 114# CHECK-NEXT: 13: {{.*}} GLOBAL {{.*}} Weak2 115 116# REGEXP: 6: {{.*}} GLOBAL {{.*}} Global1 117# REGEXP-NEXT: 7: {{.*}} GLOBAL {{.*}} Global2 118# REGEXP-NEXT: 8: {{.*}} GLOBAL {{.*}} Global3 119# REGEXP-NEXT: 9: {{.*}} GLOBAL {{.*}} Global4 120# REGEXP-NEXT: 10: {{.*}} GLOBAL {{.*}} Global5 121# REGEXP-NEXT: 11: {{.*}} GLOBAL {{.*}} Global6 122# REGEXP-NEXT: 12: {{.*}} GLOBAL {{.*}} Global5 Global6 123# REGEXP-NEXT: 13: {{.*}} GLOBAL {{.*}} UND Global7 124