public NativeLanguage(Process process, OperatingSystemBackend os, TargetInfo info)
{
this.process = process;
this.os = os;
this.info = info;
this.type_hash = Hashtable.Synchronized (new Hashtable ());
integer_type = new NativeFundamentalType (this, "int", FundamentalKind.Int32, 4);
unsigned_type = new NativeFundamentalType (this, "unsigned int", FundamentalKind.UInt32, 4);
long_type = new NativeFundamentalType (this, "long", FundamentalKind.Int64, 8);
ulong_type = new NativeFundamentalType (this, "unsigned long", FundamentalKind.UInt64, 8);
pointer_type = new NativePointerType (this, "void *", info.TargetAddressSize);
void_type = new NativeOpaqueType (this, "void", 0);
string_type = new NativeStringType (this, info.TargetAddressSize);
}
void DoDispose()
{
if (!is_forked) {
if (architecture != null) {
architecture.Dispose ();
architecture = null;
}
if (mono_language != null) {
mono_language.Dispose();
mono_language = null;
}
if (native_language != null) {
native_language.Dispose ();
native_language = null;
}
if (os != null) {
os.Dispose ();
os = null;
}
if (symtab_manager != null) {
symtab_manager.Dispose ();
symtab_manager = null;
}
}
if (breakpoint_manager != null) {
breakpoint_manager.Dispose ();
breakpoint_manager = null;
}
if (thread_db != null) {
thread_db.Dispose ();
thread_db = null;
}
if (thread_lock_mutex != null) {
thread_lock_mutex.Dispose ();
thread_lock_mutex = null;
}
exception_handlers = null;
manager.RemoveProcess (this);
}
internal Process(ThreadManager manager, ProcessStart start)
: this(manager, start.Session)
{
this.start = start;
is_attached = start.PID != 0;
breakpoint_manager = new BreakpointManager ();
exception_handlers = new Dictionary<int,ExceptionCatchPoint> ();
symtab_manager = new SymbolTableManager (session);
os = Inferior.CreateOperatingSystemBackend (this);
native_language = new NativeLanguage (this, os, target_info);
session.OnProcessCreated (this);
}
internal void ChildExecd(SingleSteppingEngine engine, Inferior inferior)
{
is_execed = true;
if (!is_forked) {
if (mono_language != null)
mono_language.Dispose();
if (native_language != null)
native_language.Dispose ();
if (os != null)
os.Dispose ();
if (symtab_manager != null)
symtab_manager.Dispose ();
}
if (breakpoint_manager != null)
breakpoint_manager.Dispose ();
session.OnProcessExecd (this);
breakpoint_manager = new BreakpointManager ();
exception_handlers = new Dictionary<int,ExceptionCatchPoint> ();
symtab_manager = new SymbolTableManager (session);
os = Inferior.CreateOperatingSystemBackend (this);
native_language = new NativeLanguage (this, os, target_info);
Inferior new_inferior = Inferior.CreateInferior (manager, this, start);
try {
new_inferior.InitializeAfterExec (inferior.PID);
} catch (Exception ex) {
if ((ex is TargetException) && (((TargetException) ex).Type == TargetError.PermissionDenied)) {
Report.Error ("Permission denied when trying to debug exec()ed child {0}, detaching!",
inferior.PID);
} else {
Report.Error ("InitializeAfterExec() failed on pid {0}: {1}", inferior.PID, ex);
}
new_inferior.DetachAfterFork ();
return;
}
SingleSteppingEngine new_thread = new SingleSteppingEngine (
manager, this, new_inferior, inferior.PID);
ThreadServant[] threads;
lock (thread_hash.SyncRoot) {
threads = new ThreadServant [thread_hash.Count];
thread_hash.Values.CopyTo (threads, 0);
}
for (int i = 0; i < threads.Length; i++) {
if (threads [i].PID != inferior.PID)
threads [i].Kill ();
}
thread_hash [inferior.PID] = new_thread;
inferior.Dispose ();
inferior = null;
manager.Debugger.OnProcessExecdEvent (this);
manager.Debugger.OnThreadCreatedEvent (new_thread.Thread);
initialized = is_forked = false;
main_thread = new_thread;
if ((engine.Thread.ThreadFlags & Thread.Flags.StopOnExit) != 0)
new_thread.Thread.ThreadFlags |= Thread.Flags.StopOnExit;
CommandResult result = engine.OnExecd (new_thread);
new_thread.StartExecedChild (result);
}
private Process(Process parent, int pid)
: this(parent.manager, parent.session)
{
this.start = new ProcessStart (parent.ProcessStart, pid);
this.is_forked = true;
this.initialized = true;
this.parent = parent;
breakpoint_manager = new BreakpointManager (parent.breakpoint_manager);
exception_handlers = new Dictionary<int,ExceptionCatchPoint> ();
foreach (KeyValuePair<int,ExceptionCatchPoint> catchpoint in parent.exception_handlers)
exception_handlers.Add (catchpoint.Key, catchpoint.Value);
symtab_manager = parent.symtab_manager;
native_language = parent.native_language;
os = parent.os;
}
public Bfd(OperatingSystemBackend os, TargetMemoryInfo info, string filename,
TargetAddress base_address, bool is_loaded)
{
this.os = os;
this.info = info;
this.filename = filename;
this.base_address = base_address;
this.is_loaded = is_loaded;
this.symfile = new BfdSymbolFile(this);
bfd = bfd_glue_openr(filename, null);
if (bfd == IntPtr.Zero)
{
throw new SymbolTableException("Can't read symbol file: {0}", filename);
}
if (bfd_glue_check_format_archive(bfd))
{
IntPtr archive = bfd;
bfd = IntPtr.Zero;
while (true)
{
bfd = bfd_glue_openr_next_archived_file(archive, bfd);
if (bfd == IntPtr.Zero)
{
throw new SymbolTableException("Can't read symbol file: {0}", filename);
}
if (bfd_glue_check_format_object(bfd))
{
/*
* At this point, just check for mach-o-le (OS X X86 binary).
* When we want to support other architctures in fat binarys,
* we need to somehow get the correct target string for the
* process, and chech against that.
*/
if (bfd_glue_get_target_name(bfd) == "mach-o-le")
{
break;
}
}
}
}
if (bfd_glue_check_format_object(bfd))
{
is_coredump = false;
}
else if (bfd_glue_check_format_core(bfd))
{
is_coredump = true;
}
else
{
throw new SymbolTableException("Not an object file: {0}", filename);
}
target = bfd_glue_get_target_name(bfd);
if ((target == "elf32-i386") || (target == "elf64-x86-64"))
{
if (!is_coredump)
{
Section text = GetSectionByName(".text", false);
Section bss = GetSectionByName(".bss", false);
if ((text != null) && (bss != null))
{
if (!base_address.IsNull)
{
start_address = new TargetAddress(
info.AddressDomain,
base_address.Address + text.vma);
}
else
{
start_address = new TargetAddress(
info.AddressDomain, text.vma);
}
if (!base_address.IsNull)
{
end_address = new TargetAddress(
info.AddressDomain,
base_address.Address + bss.vma + bss.size);
}
else
{
end_address = new TargetAddress(
info.AddressDomain, bss.vma + bss.size);
}
}
}
read_bfd_symbols();
if (DwarfReader.IsSupported(this))
{
has_debugging_info = true;
}
Section plt_section = GetSectionByName(".plt", false);
Section got_section = GetSectionByName(".got", false);
if ((plt_section != null) && (got_section != null))
{
plt_start = new TargetAddress(
info.AddressDomain,
base_address.Address + plt_section.vma);
plt_end = plt_start + plt_section.size;
got_start = new TargetAddress(
info.AddressDomain,
base_address.Address + got_section.vma);
has_got = true;
}
}
else if (target == "mach-o-le")
{
if (!is_coredump)
{
read_sections();
long start = 0xffffffff;
long end = 0;
foreach (Section section in sections)
{
long relocated = base_address.Address + section.vma;
if (relocated < start)
{
start = relocated;
}
if (relocated + section.size > end)
{
end = relocated + section.size;
}
}
start_address = new TargetAddress(info.AddressDomain, start);
end_address = new TargetAddress(info.AddressDomain, end);
}
read_bfd_symbols();
if (DwarfReader.IsSupported(this))
{
has_debugging_info = true;
}
has_got = false;
}
else
{
throw new SymbolTableException(
"Symbol file {0} has unknown target architecture {1}",
filename, target);
}
long entry_point_addr = bfd_glue_get_start_address(bfd);
entry_point = entry_point_addr != 0 ? new TargetAddress(info.AddressDomain, entry_point_addr) : TargetAddress.Null;
module = os.Process.Session.GetModule(filename);
if (module == null)
{
module = os.Process.Session.CreateModule(filename, symfile);
OnModuleChanged();
}
else
{
module.LoadModule(symfile);
}
os.Process.SymbolTableManager.AddSymbolFile(symfile);
}
public Bfd(OperatingSystemBackend os, TargetMemoryInfo info, string filename,
TargetAddress base_address, bool is_loaded)
{
this.os = os;
this.info = info;
this.filename = filename;
this.base_address = base_address;
this.is_loaded = is_loaded;
this.symfile = new BfdSymbolFile (this);
bfd = bfd_glue_openr (filename, null);
if (bfd == IntPtr.Zero)
throw new SymbolTableException ("Can't read symbol file: {0}", filename);
if (bfd_glue_check_format_archive (bfd))
{
IntPtr archive = bfd;
bfd = IntPtr.Zero;
while (true) {
bfd = bfd_glue_openr_next_archived_file (archive, bfd);
if(bfd == IntPtr.Zero)
throw new SymbolTableException ("Can't read symbol file: {0}", filename);
if (bfd_glue_check_format_object(bfd))
{
/*
* At this point, just check for mach-o-le (OS X X86 binary).
* When we want to support other architctures in fat binarys,
* we need to somehow get the correct target string for the
* process, and chech against that.
*/
if (bfd_glue_get_target_name(bfd) == "mach-o-le")
break;
}
}
}
if (bfd_glue_check_format_object (bfd))
is_coredump = false;
else if (bfd_glue_check_format_core (bfd))
is_coredump = true;
else
throw new SymbolTableException ("Not an object file: {0}", filename);
target = bfd_glue_get_target_name (bfd);
if ((target == "elf32-i386") || (target == "elf64-x86-64")) {
if (!is_coredump) {
Section text = GetSectionByName (".text", false);
Section bss = GetSectionByName (".bss", false);
if ((text != null) && (bss != null)) {
if (!base_address.IsNull)
start_address = new TargetAddress (
info.AddressDomain,
base_address.Address + text.vma);
else
start_address = new TargetAddress (
info.AddressDomain, text.vma);
if (!base_address.IsNull)
end_address = new TargetAddress (
info.AddressDomain,
base_address.Address + bss.vma + bss.size);
else
end_address = new TargetAddress (
info.AddressDomain, bss.vma + bss.size);
}
}
read_bfd_symbols ();
if (DwarfReader.IsSupported (this))
has_debugging_info = true;
Section plt_section = GetSectionByName (".plt", false);
Section got_section = GetSectionByName (".got", false);
if ((plt_section != null) && (got_section != null)) {
plt_start = new TargetAddress (
info.AddressDomain,
base_address.Address + plt_section.vma);
plt_end = plt_start + plt_section.size;
got_start = new TargetAddress (
info.AddressDomain,
base_address.Address + got_section.vma);
has_got = true;
}
} else if (target == "mach-o-le") {
if (!is_coredump) {
read_sections ();
long start = 0xffffffff;
long end = 0;
foreach (Section section in sections) {
long relocated = base_address.Address + section.vma;
if (relocated < start)
start = relocated;
if (relocated + section.size > end)
end = relocated + section.size;
}
start_address = new TargetAddress (info.AddressDomain, start);
end_address = new TargetAddress (info.AddressDomain, end);
}
read_bfd_symbols ();
if (DwarfReader.IsSupported (this))
has_debugging_info = true;
has_got = false;
} else
throw new SymbolTableException (
"Symbol file {0} has unknown target architecture {1}",
filename, target);
long entry_point_addr = bfd_glue_get_start_address (bfd);
entry_point = entry_point_addr != 0 ? new TargetAddress (info.AddressDomain, entry_point_addr) : TargetAddress.Null;
module = os.Process.Session.GetModule (filename);
if (module == null) {
module = os.Process.Session.CreateModule (filename, symfile);
OnModuleChanged ();
} else {
module.LoadModule (symfile);
}
os.Process.SymbolTableManager.AddSymbolFile (symfile);
}