internal void Read(BinaryReader reader)
{
/* definitions from: /usr/include/mach-o/loader.h */
/*
* The 32-bit mach header appears at the very beginning of the object file for
* 32-bit architectures.
*/
// struct mach_header {
// uint32_t magic; /* mach magic number identifier */
// cpu_type_t cputype; /* cpu specifier */
// cpu_subtype_t cpusubtype; /* machine specifier */
// uint32_t filetype; /* type of file */
// uint32_t ncmds; /* number of load commands */
// uint32_t sizeofcmds; /* the size of all the load commands */
// uint32_t flags; /* flags */
// };
/*
* The 64-bit mach header appears at the very beginning of object files for
* 64-bit architectures.
*/
// struct mach_header_64 {
// uint32_t magic; /* mach magic number identifier */
// cpu_type_t cputype; /* cpu specifier */
// cpu_subtype_t cpusubtype; /* machine specifier */
// uint32_t filetype; /* type of file */
// uint32_t ncmds; /* number of load commands */
// uint32_t sizeofcmds; /* the size of all the load commands */
// uint32_t flags; /* flags */
// uint32_t reserved; /* reserved */
// };
magic = reader.ReadUInt32();
switch (magic)
{
case MachO.MH_CIGAM:
case MachO.MH_MAGIC:
is64bitheader = false;
break;
case MachO.MH_CIGAM_64:
case MachO.MH_MAGIC_64:
is64bitheader = true;
break;
default:
throw ErrorHelper.CreateError(1602, "Not a Mach-O dynamic library (unknown header '0x{0}'): {1}.", magic.ToString("x"), fat_parent != null ? fat_parent.Parent.Filename : filename);
}
_cputype = reader.ReadInt32();
_cpusubtype = reader.ReadInt32();
_filetype = reader.ReadUInt32();
_ncmds = reader.ReadUInt32();
_sizeofcmds = reader.ReadUInt32();
_flags = reader.ReadUInt32();
if (is64bitheader)
{
_reserved = reader.ReadUInt32();
}
var cmds = new List <LoadCommand> ((int)ncmds);
for (int i = 0; i < ncmds; i++)
{
var cmd = (MachO.LoadCommands)reader.ReadUInt32();
reader.BaseStream.Position -= 4;
LoadCommand lc;
switch (cmd)
{
case MachO.LoadCommands.LoadDylib:
case MachO.LoadCommands.LoadWeakDylib:
case MachO.LoadCommands.ReexportDylib:
var dlc = new DylibLoadCommand();
dlc.cmd = reader.ReadUInt32();
dlc.cmdsize = reader.ReadUInt32();
/*var nameofs = */ reader.ReadUInt32();
dlc.timestamp = reader.ReadUInt32();
dlc.current_version = reader.ReadUInt32();
dlc.compatibility_version = reader.ReadUInt32();
var namelength = dlc.cmdsize - 6 * 4;
var namechars = reader.ReadBytes((int)namelength);
// strip off any null characters at the end.
for (int n = namechars.Length - 1; n >= 0; n--)
{
if (namechars [n] == 0)
{
namelength--;
}
else
{
break;
}
}
dlc.name = System.Text.UTF8Encoding.UTF8.GetString(namechars, 0, (int)namelength);
lc = dlc;
break;
default:
lc = new LoadCommand();
lc.cmd = reader.ReadUInt32();
lc.cmdsize = reader.ReadUInt32();
reader.BaseStream.Position += lc.cmdsize - 8;
break;
}
cmds.Add(lc);
}
load_commands = cmds;
}
internal void Read(BinaryReader reader)
{
/* definitions from: /usr/include/mach-o/loader.h */
/*
* The 32-bit mach header appears at the very beginning of the object file for
* 32-bit architectures.
*/
// struct mach_header {
// uint32_t magic; /* mach magic number identifier */
// cpu_type_t cputype; /* cpu specifier */
// cpu_subtype_t cpusubtype; /* machine specifier */
// uint32_t filetype; /* type of file */
// uint32_t ncmds; /* number of load commands */
// uint32_t sizeofcmds; /* the size of all the load commands */
// uint32_t flags; /* flags */
// };
/*
* The 64-bit mach header appears at the very beginning of object files for
* 64-bit architectures.
*/
// struct mach_header_64 {
// uint32_t magic; /* mach magic number identifier */
// cpu_type_t cputype; /* cpu specifier */
// cpu_subtype_t cpusubtype; /* machine specifier */
// uint32_t filetype; /* type of file */
// uint32_t ncmds; /* number of load commands */
// uint32_t sizeofcmds; /* the size of all the load commands */
// uint32_t flags; /* flags */
// uint32_t reserved; /* reserved */
// };
magic = reader.ReadUInt32();
switch (magic)
{
case MachO.MH_CIGAM:
case MachO.MH_MAGIC:
is64bitheader = false;
break;
case MachO.MH_CIGAM_64:
case MachO.MH_MAGIC_64:
is64bitheader = true;
break;
default:
throw ErrorHelper.CreateError(1602, Errors.MX1602, magic.ToString("x"), fat_parent != null ? fat_parent.Parent.Filename : filename);
}
_cputype = reader.ReadInt32();
_cpusubtype = reader.ReadInt32();
_filetype = reader.ReadUInt32();
_ncmds = reader.ReadUInt32();
_sizeofcmds = reader.ReadUInt32();
_flags = reader.ReadUInt32();
if (is64bitheader)
{
_reserved = reader.ReadUInt32();
}
var cmds = new List <LoadCommand> ((int)ncmds);
for (int i = 0; i < ncmds; i++)
{
var cmd = (MachO.LoadCommands)reader.ReadUInt32();
reader.BaseStream.Position -= 4;
LoadCommand lc;
switch (cmd)
{
case MachO.LoadCommands.LoadDylib:
case MachO.LoadCommands.LoadWeakDylib:
case MachO.LoadCommands.ReexportDylib:
var dlc = new DylibLoadCommand();
dlc.cmd = reader.ReadUInt32();
dlc.cmdsize = reader.ReadUInt32();
/*var nameofs = */ reader.ReadUInt32();
dlc.timestamp = reader.ReadUInt32();
dlc.current_version = reader.ReadUInt32();
dlc.compatibility_version = reader.ReadUInt32();
var namelength = dlc.cmdsize - 6 * 4;
var namechars = reader.ReadBytes((int)namelength);
// strip off any null characters at the end.
for (int n = namechars.Length - 1; n >= 0; n--)
{
if (namechars [n] == 0)
{
namelength--;
}
else
{
break;
}
}
dlc.name = System.Text.UTF8Encoding.UTF8.GetString(namechars, 0, (int)namelength);
lc = dlc;
break;
case MachO.LoadCommands.Uuid:
var uuidCmd = new UuidCommand();
uuidCmd.cmd = reader.ReadUInt32();
uuidCmd.cmdsize = reader.ReadUInt32();
uuidCmd.uuid = reader.ReadBytes(16); // defined in the header as uint8_t uuid [16]
lc = uuidCmd;
break;
case MachO.LoadCommands.MintvOS:
case MachO.LoadCommands.MinMacOSX:
case MachO.LoadCommands.MiniPhoneOS:
case MachO.LoadCommands.MinwatchOS:
var minCmd = new MinCommand();
minCmd.cmd = reader.ReadUInt32();
minCmd.cmdsize = reader.ReadUInt32();
minCmd.version = reader.ReadUInt32();
minCmd.sdk = reader.ReadUInt32();
lc = minCmd;
break;
case MachO.LoadCommands.BuildVersion:
var buildVer = new BuildVersionCommand();
buildVer.cmd = reader.ReadUInt32();
buildVer.cmdsize = reader.ReadUInt32();
buildVer.platform = reader.ReadUInt32();
buildVer.minos = reader.ReadUInt32();
buildVer.sdk = reader.ReadUInt32();
buildVer.ntools = reader.ReadUInt32();
buildVer.tools = new BuildVersionCommand.BuildToolVersion[buildVer.ntools];
for (int j = 0; j < buildVer.ntools; j++)
{
var buildToolVer = new BuildVersionCommand.BuildToolVersion();
buildToolVer.tool = reader.ReadUInt32();
buildToolVer.version = reader.ReadUInt32();
buildVer.tools[j] = buildToolVer;
}
lc = buildVer;
break;
default:
lc = new LoadCommand();
lc.cmd = reader.ReadUInt32();
lc.cmdsize = reader.ReadUInt32();
reader.BaseStream.Position += lc.cmdsize - 8;
break;
}
cmds.Add(lc);
}
load_commands = cmds;
}
internal void Read(BinaryReader reader)
{
/* definitions from: /usr/include/mach-o/loader.h */
/*
* The 32-bit mach header appears at the very beginning of the object file for
* 32-bit architectures.
*/
// struct mach_header {
// uint32_t magic; /* mach magic number identifier */
// cpu_type_t cputype; /* cpu specifier */
// cpu_subtype_t cpusubtype; /* machine specifier */
// uint32_t filetype; /* type of file */
// uint32_t ncmds; /* number of load commands */
// uint32_t sizeofcmds; /* the size of all the load commands */
// uint32_t flags; /* flags */
// };
/*
* The 64-bit mach header appears at the very beginning of object files for
* 64-bit architectures.
*/
// struct mach_header_64 {
// uint32_t magic; /* mach magic number identifier */
// cpu_type_t cputype; /* cpu specifier */
// cpu_subtype_t cpusubtype; /* machine specifier */
// uint32_t filetype; /* type of file */
// uint32_t ncmds; /* number of load commands */
// uint32_t sizeofcmds; /* the size of all the load commands */
// uint32_t flags; /* flags */
// uint32_t reserved; /* reserved */
// };
magic = reader.ReadUInt32 ();
switch (magic) {
case MachO.MH_CIGAM:
case MachO.MH_MAGIC:
is64bitheader = false;
break;
case MachO.MH_CIGAM_64:
case MachO.MH_MAGIC_64:
is64bitheader = true;
break;
default:
throw ErrorHelper.CreateError (1602, "Not a Mach-O dynamic library (unknown header '0x{0}'): {1}.", magic.ToString ("x"), fat_parent != null ? fat_parent.Parent.Filename : filename);
}
_cputype = reader.ReadInt32 ();
_cpusubtype = reader.ReadInt32 ();
_filetype = reader.ReadUInt32 ();
_ncmds = reader.ReadUInt32 ();
_sizeofcmds = reader.ReadUInt32 ();
_flags = reader.ReadUInt32 ();
if (is64bitheader)
_reserved = reader.ReadUInt32 ();
var cmds = new List<LoadCommand> ((int) ncmds);
for (int i = 0; i < ncmds; i++) {
var cmd = (MachO.LoadCommands) reader.ReadUInt32 ();
reader.BaseStream.Position -= 4;
LoadCommand lc;
switch (cmd) {
case MachO.LoadCommands.LoadDylib:
case MachO.LoadCommands.LoadWeakDylib:
case MachO.LoadCommands.ReexportDylib:
var dlc = new DylibLoadCommand ();
dlc.cmd = reader.ReadUInt32 ();
dlc.cmdsize = reader.ReadUInt32 ();
/*var nameofs = */reader.ReadUInt32 ();
dlc.timestamp = reader.ReadUInt32 ();
dlc.current_version = reader.ReadUInt32 ();
dlc.compatibility_version = reader.ReadUInt32 ();
var namelength = dlc.cmdsize - 6 * 4;
var namechars = reader.ReadBytes ((int) namelength);
// strip off any null characters at the end.
for (int n = namechars.Length - 1; n >= 0; n--) {
if (namechars [n] == 0)
namelength--;
else
break;
}
dlc.name = System.Text.UTF8Encoding.UTF8.GetString (namechars, 0, (int) namelength);
lc = dlc;
break;
default:
lc = new LoadCommand ();
lc.cmd = reader.ReadUInt32 ();
lc.cmdsize = reader.ReadUInt32 ();
reader.BaseStream.Position += lc.cmdsize - 8;
break;
}
cmds.Add (lc);
}
load_commands = cmds;
}
