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| author | Rui Ueyama <ruiu@google.com> | 2015-10-14 22:20:57 +0000 |
|---|---|---|
| committer | Rui Ueyama <ruiu@google.com> | 2015-10-14 22:20:57 +0000 |
| commit | 2b675074feda2e8d643909c5fa9ab2bcb67c8581 (patch) | |
| tree | c439f573e4bbf0caf20c0366bbb61197883d653f /lld/ELF/Writer.cpp | |
| parent | f9e0b253ad605a429526b54ffdfcf121deaf082c (diff) | |
| download | bcm5719-llvm-2b675074feda2e8d643909c5fa9ab2bcb67c8581.tar.gz bcm5719-llvm-2b675074feda2e8d643909c5fa9ab2bcb67c8581.zip | |
ELF2: Support --entry=<addr>.
If an argument for --entry is a number, that's not a symbol name but
an absolute address. If that's the case, the address is directly set
to ELF header's e_entry.
llvm-svn: 250334
Diffstat (limited to 'lld/ELF/Writer.cpp')
| -rw-r--r-- | lld/ELF/Writer.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lld/ELF/Writer.cpp b/lld/ELF/Writer.cpp index 4307b48f034..4861dc1729d 100644 --- a/lld/ELF/Writer.cpp +++ b/lld/ELF/Writer.cpp @@ -648,9 +648,12 @@ template <class ELFT> void Writer<ELFT>::writeHeader() { EHdr->e_type = Config->Shared ? ET_DYN : ET_EXEC; EHdr->e_machine = FirstObj.getEMachine(); EHdr->e_version = EV_CURRENT; - if (Config->EntrySym) + if (Config->EntrySym) { if (auto *E = dyn_cast<ELFSymbolBody<ELFT>>(Config->EntrySym->repl())) EHdr->e_entry = getSymVA<ELFT>(*E); + } else if (Config->EntryAddr != uint64_t(-1)) { + EHdr->e_entry = Config->EntryAddr; + } EHdr->e_phoff = sizeof(Elf_Ehdr); EHdr->e_shoff = SectionHeaderOff; EHdr->e_ehsize = sizeof(Elf_Ehdr); |
