1# This test makes sure that the .symtab_shndx section is automatically removed 2# when it is not needed and added when it is. 3 4RUN: %python %p/../Inputs/ungzip.py %p/Inputs/many-sections.o.gz > %t.0 5RUN: echo 'foo' > %t 6# many-sections.o contains sections from s1 to s65535, each with a symbol. 7# Remove enough so that the last section with a symbol has index 8# SHN_LORESERVE (i.e. s65280), and show the section hasn't been removed. 9RUN: llvm-objcopy -R 's65[3-9][0-9][0-9]' -R 's6529[0-9]' -R 's6528[1-9]' %t.0 %t2 10RUN: llvm-readobj --sections %t2 | FileCheck --check-prefix=SHNDX %s 11# Remove one more to cause removal of the section. 12RUN: llvm-objcopy -R s65280 %t2 %t3 13RUN: llvm-readobj --sections %t3 | FileCheck --check-prefix=NOSHNDX %s 14 15# Add additional sections. No .symtab_shndx should be added, as they contain no 16# symbols. 17RUN: llvm-objcopy --add-section=newsec1=%t --add-section=newsec2=%t --add-section=newsec3=%t %t3 %t4 18RUN: llvm-readobj --sections %t4 | FileCheck --check-prefix=NOSHNDX %s 19 20# Add a symbol to one of these sections and show that the .symtab_shndx 21# section has been created and that the new symbol has the right section index. 22RUN: llvm-objcopy --add-symbol=newsym=newsec1:0 %t4 %t5 23RUN: llvm-readobj --symbols --sections %t5 | \ 24RUN: FileCheck --check-prefixes=SHNDX,SHNDX-SYM -DSECTION=newsec1 %s 25 26# Show that removing and adding symbols, but not their sections, has the same 27# effect regarding removal/addition of the .symtab_shndx section. 28# FIXME: llvm-objcopy does not currently remove this section in these 29# circumstances. See https://bugs.llvm.org/show_bug.cgi?id=49364 30# Test is left here to document the current behaviour. 31RUN: llvm-objcopy -N 'sym65[3-9][0-9][0-9]' -N 'sym652[89][0-9]' -w %t.0 %t6 32RUN: llvm-readobj --sections %t6 | not FileCheck --check-prefix=NOSHNDX %s 33# FIXME: Remove these test lines once the bug has been fixed. They simply show 34# that the section is removed by a run without any further operations. 35RUN: llvm-objcopy %t6 %t6b 36RUN: llvm-readobj --sections %t6b | FileCheck --check-prefix=NOSHNDX %s 37 38# Add a symbol to ensure the section is reinstated. 39RUN: llvm-objcopy --add-symbol=newsym=s65280:0 -w %t6 %t7 40RUN: llvm-readobj --sections --symbols %t7 | \ 41RUN: FileCheck --check-prefixes=SHNDX,SHNDX-SYM -DSECTION=s65280 %s 42 43NOSHNDX-NOT: Name: .symtab_shndx 44SHNDX: Name: .symtab_shndx 45SHNDX-SYM: Name: newsym 46SHNDX-SYM: Section: 47SHNDX-SYM-SAME: [[SECTION]] 48