| bufio | Package bufio implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or Writer) that also implements the interface but provides buffering and some help for textual I/O. |
| cmd/asm/internal/arch | Package arch defines architecture-specific information and support functions. |
| cmd/asm/internal/asm | Package asm implements the parser and instruction generator for the assembler. |
| cmd/asm/internal/flags | Package flags implements top-level flags and the usage message for the assembler. |
| cmd/asm/internal/lex | Package lex implements lexical analysis for the assembler. |
| cmd/internal/bio | Package bio implements common I/O abstractions used within the Go toolchain. |
| cmd/internal/obj | |
| cmd/internal/objabi | |
| cmd/internal/telemetry/counter | |
| flag | Package flag implements command-line flag parsing. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| internal/buildcfg | Package buildcfg provides access to the build configuration described by the current environment. |
| log | Package log implements a simple logging package. |
| os | Package os provides a platform-independent interface to operating system functionality. |