diff options
Diffstat (limited to 'lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp')
| -rw-r--r-- | lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp | 41 |
1 files changed, 29 insertions, 12 deletions
diff --git a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp index 45033e87789..b6f27fccde9 100644 --- a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp +++ b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp @@ -55,6 +55,7 @@ namespace { const char *const LLDB_NT_OWNER_FREEBSD = "FreeBSD"; const char *const LLDB_NT_OWNER_GNU = "GNU"; const char *const LLDB_NT_OWNER_NETBSD = "NetBSD"; +const char *const LLDB_NT_OWNER_NETBSDCORE = "NetBSD-CORE"; const char *const LLDB_NT_OWNER_OPENBSD = "OpenBSD"; const char *const LLDB_NT_OWNER_CSR = "csr"; const char *const LLDB_NT_OWNER_ANDROID = "Android"; @@ -70,8 +71,10 @@ const elf_word LLDB_NT_GNU_ABI_SIZE = 16; const elf_word LLDB_NT_GNU_BUILD_ID_TAG = 0x03; -const elf_word LLDB_NT_NETBSD_ABI_TAG = 0x01; -const elf_word LLDB_NT_NETBSD_ABI_SIZE = 4; +const elf_word LLDB_NT_NETBSD_IDENT_TAG = 1; +const elf_word LLDB_NT_NETBSD_IDENT_DESCSZ = 4; +const elf_word LLDB_NT_NETBSD_IDENT_NAMESZ = 7; +const elf_word LLDB_NT_NETBSD_PROCINFO = 1; // GNU ABI note OS constants const elf_word LLDB_NT_GNU_ABI_OS_LINUX = 0x00; @@ -1294,25 +1297,39 @@ ObjectFileELF::RefineModuleDetailsFromNote(lldb_private::DataExtractor &data, // The note.n_name == LLDB_NT_OWNER_GNU is valid for Linux platform arch_spec.GetTriple().setOS(llvm::Triple::OSType::Linux); } - // Process NetBSD ELF notes. + // Process NetBSD ELF executables and shared libraries else if ((note.n_name == LLDB_NT_OWNER_NETBSD) && - (note.n_type == LLDB_NT_NETBSD_ABI_TAG) && - (note.n_descsz == LLDB_NT_NETBSD_ABI_SIZE)) { - // Pull out the min version info. + (note.n_type == LLDB_NT_NETBSD_IDENT_TAG) && + (note.n_descsz == LLDB_NT_NETBSD_IDENT_DESCSZ) && + (note.n_namesz == LLDB_NT_NETBSD_IDENT_NAMESZ)) { + // Pull out the version info. uint32_t version_info; if (data.GetU32(&offset, &version_info, 1) == nullptr) { error.SetErrorString("failed to read NetBSD ABI note payload"); return error; } - + // Convert the version info into a major/minor/patch number. + // #define __NetBSD_Version__ MMmmrrpp00 + // + // M = major version + // m = minor version; a minor number of 99 indicates current. + // r = 0 (since NetBSD 3.0 not used) + // p = patchlevel + const uint32_t version_major = version_info / 100000000; + const uint32_t version_minor = (version_info % 100000000) / 1000000; + const uint32_t version_patch = (version_info % 10000) / 100; + // Set the elf OS version to NetBSD. Also clear the vendor. + arch_spec.GetTriple().setOSName( + llvm::formatv("netbsd{0}.{1}.{2}", version_major, version_minor, + version_patch).str()); + arch_spec.GetTriple().setVendor(llvm::Triple::VendorType::UnknownVendor); + } + // Process NetBSD ELF core(5) notes + else if ((note.n_name == LLDB_NT_OWNER_NETBSDCORE) && + (note.n_type == LLDB_NT_NETBSD_PROCINFO)) { // Set the elf OS version to NetBSD. Also clear the vendor. arch_spec.GetTriple().setOS(llvm::Triple::OSType::NetBSD); arch_spec.GetTriple().setVendor(llvm::Triple::VendorType::UnknownVendor); - - if (log) - log->Printf( - "ObjectFileELF::%s detected NetBSD, min version constant %" PRIu32, - __FUNCTION__, version_info); } // Process OpenBSD ELF notes. else if (note.n_name == LLDB_NT_OWNER_OPENBSD) { |
