What does Mach-O mean?

having or characterized by qualities considered manly, especially when manifested in an assertive, self-conscious, or dominating way. having a strong or exaggerated sense of power or the right to dominate. noun, plural ma·chos. Also ma·cho·ism . assertive or aggressive manliness; machismo.

What is Mach-O header?

Mach-O format Header – contains general information about the binary: byte order (magic number), cpu type, amount of load commands etc. Load Commands – it’s kind of a table of contents, that describes position of segments, symbol table, dynamic symbol table etc.

What is a .Mach-O file?

Mach-O files, or Mach Object Files, are an executable format used on Operating Systems based on the Mach Kernel. This includes Apple’s Darwin iOS, macOS, watchOS etc.

What is Mach-O Mac?

Mach-O, short for Mach object file format, is a file format for executables, object code, shared libraries, dynamically-loaded code, and core dumps. It was developed to replace the a. out format. Mach-O. Filename extension.

What language is macho?

In its original Spanish, macho has several very specific meanings. Derived from the Latin masculus (“little man”), the word can be used, either as a noun or an adjective, in connection with men who are strong, stubborn, handsome, proud or any combination thereof.

What is a segment in a Mach O file?

A segment defines a range of bytes in a Mach-O file and the addresses and memory protection attributes at which those bytes are mapped into virtual memory when the dynamic linker loads the application. As such, segments are always virtual memory page aligned.

What is a link edit segment in Mach-O?

In user-level fully linked Mach-O files, the last segment is the link edit segment. This segment contains the tables of link edit information, such as the symbol table, string table, and so forth, used by the dynamic loader to link an executable file or Mach-O bundle to its dependent libraries.

How are sections numbered in a Mach-O file?

Various tables within a Mach-O file refer to sections by number. Section numbering begins at 1 (not 0) and continues across segment boundaries. Thus, the first segment in a file may contain sections 1 and 2 and the second segment may contain sections 3 and 4.

What is a Mach-O file?

At the beginning of every Mach-O file is a header structure that identifies the file as a Mach-O file. The header also contains other basic file type information, indicates the target architecture, and contains flags specifying options that affect the interpretation of the rest of the file.