diff options
| -rw-r--r-- | lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp b/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp index bfc68a633f2..a73a1d64591 100644 --- a/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp +++ b/lldb/source/Plugins/Process/elf-core/ProcessElfCore.cpp @@ -435,17 +435,31 @@ struct ELFNote } }; +// Parse a FreeBSD NT_PRSTATUS note - see FreeBSD sys/procfs.h for details. static void ParseFreeBSDPrStatus(ThreadData *thread_data, DataExtractor &data, ArchSpec &arch) { - lldb::offset_t offset; - size_t len; + lldb::offset_t offset = 0; + bool have_padding = (arch.GetMachine() == llvm::Triple::x86_64); + int pr_version = data.GetU32(&offset); + + Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_PROCESS)); + if (log) + { + if (pr_version > 1) + log->Printf("FreeBSD PRSTATUS unexpected version %d", pr_version); + } - offset = 36; - thread_data->signo = data.GetU32(&offset); - offset = 48; - len = data.GetByteSize() - offset; + if (have_padding) + offset += 4; + offset += 28; // pr_statussz, pr_gregsetsz, pr_fpregsetsz, pr_osreldate + thread_data->signo = data.GetU32(&offset); // pr_cursig + offset += 4; // pr_pid + if (have_padding) + offset += 4; + + size_t len = data.GetByteSize() - offset; thread_data->gpregset = DataExtractor(data, offset, len); } |
