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llvm-readobj: process FreeBSD core notes

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

llvm-svn: 294909
This commit is contained in:
Saleem Abdulrasool 2017-02-12 18:55:33 +00:00
parent 261a1c23e2
commit 0d4bc5e5d5
2 changed files with 43 additions and 0 deletions
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13
include/llvm/Support/ELF.h
View File

@ -1313,6 +1313,19 @@ enum {
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,

30
tools/llvm-readobj/ELFDumper.cpp
View File

@ -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) << ')';
}