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| author | George Rimar <grimar@accesssoftek.com> | 2016-10-17 11:31:46 +0000 |
|---|---|---|
| committer | George Rimar <grimar@accesssoftek.com> | 2016-10-17 11:31:46 +0000 |
| commit | 17d566daaa4c26bf32ec5fe75ebc17ef68e1d4c6 (patch) | |
| tree | b619c8b30be1ee15eb3092b9a35ccfc9a6908aa6 /lld/ELF/InputFiles.cpp | |
| parent | 21cd1a6fa98923437077b008416cd34c51be042c (diff) | |
| download | bcm5719-llvm-17d566daaa4c26bf32ec5fe75ebc17ef68e1d4c6.tar.gz bcm5719-llvm-17d566daaa4c26bf32ec5fe75ebc17ef68e1d4c6.zip | |
[ELF] - Don't crash on multiple SHT_MIPS_REGINFO/SHT_MIPS_ABIFLAGS sections.
In continue of D25555, this patch fixes possible crash when
we have multiple SHT_MIPS_REGINFO or SHT_MIPS_ABIFLAGS sections.
yaml2obj was used to produce such objects.
Differential revision: https://reviews.llvm.org/D25609
llvm-svn: 284376
Diffstat (limited to 'lld/ELF/InputFiles.cpp')
| -rw-r--r-- | lld/ELF/InputFiles.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lld/ELF/InputFiles.cpp b/lld/ELF/InputFiles.cpp index 3aafdbb93a7..a5f9b909f11 100644 --- a/lld/ELF/InputFiles.cpp +++ b/lld/ELF/InputFiles.cpp @@ -321,6 +321,9 @@ elf::ObjectFile<ELFT>::createInputSection(const Elf_Shdr &Sec) { // they can be used to reason about object compatibility. return &InputSection<ELFT>::Discarded; case SHT_MIPS_REGINFO: + if (MipsReginfo) + fatal(getFilename(this) + + ": multiple SHT_MIPS_REGINFO sections are not allowed"); MipsReginfo.reset(new MipsReginfoInputSection<ELFT>(this, &Sec, Name)); return MipsReginfo.get(); case SHT_MIPS_OPTIONS: @@ -330,6 +333,9 @@ elf::ObjectFile<ELFT>::createInputSection(const Elf_Shdr &Sec) { MipsOptions.reset(new MipsOptionsInputSection<ELFT>(this, &Sec, Name)); return MipsOptions.get(); case SHT_MIPS_ABIFLAGS: + if (MipsAbiFlags) + fatal(getFilename(this) + + ": multiple SHT_MIPS_ABIFLAGS sections are not allowed"); MipsAbiFlags.reset(new MipsAbiFlagsInputSection<ELFT>(this, &Sec, Name)); return MipsAbiFlags.get(); case SHT_RELA: |
