llvm-readobj: process FreeBSD core notes

core files on FreeBSD have additional notes to capture state.  Process
those notes when dumping the notes.

llvm-svn: 294909

2 files changed, 43 insertions, 0 deletions

diff --git a/llvm/include/llvm/Support/ELF.h b/llvm/include/llvm/Support/ELF.h
index 489d821b749..dad9c2f990b 100644
--- a/llvm/include/llvm/Support/ELF.h
+++ b/llvm/include/llvm/Support/ELF.h
@@ -1314,6 +1314,19 @@ enum { VER_NEED_NONE = 0, VER_NEED_CURRENT = 1 };
 
 // SHT_NOTE section types
 enum {
+  NT_FREEBSD_THRMISC = 7,
+  NT_FREEBSD_PROCSTAT_PROC = 8,
+  NT_FREEBSD_PROCSTAT_FILES = 9,
+  NT_FREEBSD_PROCSTAT_VMMAP = 10,
+  NT_FREEBSD_PROCSTAT_GROUPS = 11,
+  NT_FREEBSD_PROCSTAT_UMASK = 12,
+  NT_FREEBSD_PROCSTAT_RLIMIT = 13,
+  NT_FREEBSD_PROCSTAT_OSREL = 14,
+  NT_FREEBSD_PROCSTAT_PSSTRINGS = 15,
+  NT_FREEBSD_PROCSTAT_AUXV = 16,
+};
+
+enum {
   NT_GNU_ABI_TAG = 1,
   NT_GNU_HWCAP = 2,
   NT_GNU_BUILD_ID = 3,
diff --git a/llvm/tools/llvm-readobj/ELFDumper.cpp b/llvm/tools/llvm-readobj/ELFDumper.cpp
index 109dde142ef..2ebe44bdcfe 100644
--- a/llvm/tools/llvm-readobj/ELFDumper.cpp
+++ b/llvm/tools/llvm-readobj/ELFDumper.cpp
@@ -3337,6 +3337,34 @@ static std::string getGNUNoteTypeName(const uint32_t NT) {
   return string;
 }
 
+static std::string getFreeBSDNoteTypeName(const uint32_t NT) {
+  static const struct {
+    uint32_t ID;
+    const char *Name;
+  } Notes[] = {
+      {ELF::NT_FREEBSD_THRMISC, "NT_THRMISC (thrmisc structure)"},
+      {ELF::NT_FREEBSD_PROCSTAT_PROC, "NT_PROCSTAT_PROC (proc data)"},
+      {ELF::NT_FREEBSD_PROCSTAT_FILES, "NT_PROCSTAT_FILES (files data)"},
+      {ELF::NT_FREEBSD_PROCSTAT_VMMAP, "NT_PROCSTAT_VMMAP (vmmap data)"},
+      {ELF::NT_FREEBSD_PROCSTAT_GROUPS, "NT_PROCSTAT_GROUPS (groups data)"},
+      {ELF::NT_FREEBSD_PROCSTAT_UMASK, "NT_PROCSTAT_UMASK (umask data)"},
+      {ELF::NT_FREEBSD_PROCSTAT_RLIMIT, "NT_PROCSTAT_RLIMIT (rlimit data)"},
+      {ELF::NT_FREEBSD_PROCSTAT_OSREL, "NT_PROCSTAT_OSREL (osreldate data)"},
+      {ELF::NT_FREEBSD_PROCSTAT_PSSTRINGS,
+       "NT_PROCSTAT_PSSTRINGS (ps_strings data)"},
+      {ELF::NT_FREEBSD_PROCSTAT_AUXV, "NT_PROCSTAT_AUXV (auxv data)"},
+  };
+
+  for (const auto &Note : Notes)
+    if (Note.ID == NT)
+      return std::string(Note.Name);
+
+  std::string string;
+  raw_string_ostream OS(string);
+  OS << format("Unknown note type (0x%08x)", NT);
+  return string;
+}
+
 template <typename ELFT>
 static void printGNUNote(raw_ostream &OS, uint32_t NoteType,
                          ArrayRef<typename ELFFile<ELFT>::Elf_Word> Words) {
@@ -3416,6 +3444,8 @@ void GNUStyle<ELFT>::printNotes(const ELFFile<ELFT> *Obj) {
       if (Name == "GNU") {
         OS << getGNUNoteTypeName(Type) << '\n';
         printGNUNote<ELFT>(OS, Type, Descriptor);
+      } else if (Name == "FreeBSD") {
+        OS << getFreeBSDNoteTypeName(Type) << '\n';
       } else {
         OS << "Unknown note type: (" << format_hex(Type, 10) << ')';
       }