Package bisect can be used by compilers and other programs to serve as a target for the bisect debugging tool.

Package buildcfg provides access to the build configuration described by the current environment.

Package cfg holds configuration shared by the Go command and github.com/go-asm/go/testenv.

ChaCha8 is ChaCha with 8 rounds.

Package cpu implements processor feature detection used by the Go standard library.

Package dag implements a language for expressing directed acyclic graphs.

Package fmtsort provides a general stable ordering mechanism for maps, on behalf of the fmt and text/template packages.

Package fuzz provides common fuzzing functionality for tests built with "go test" and for programs that use fuzzing functionality in the testing package.

package goarch contains GOARCH-specific constants.

Package godebug makes the settings in the $GODEBUG environment variable available to other packages.

Package godebugs provides a table of known GODEBUG settings, for use by a variety of other packages, including github.com/go-asm/go/godebug, runtime, runtime/metrics, and github.com/go-asm/go/cmd/go/load.

Package goexperiment implements support for toolchain experiments.

package goos contains GOOS-specific constants.

Package gover implements support for Go toolchain versions like 1.21.0 and 1.21rc1.

Package intern lets you make smaller comparable values by boxing a larger comparable value (such as a 16 byte string header) down into a globally unique 8 byte pointer.

Package lazyregexp is a thin wrapper over regexp, allowing the use of global regexp variables without forcing them to be compiled at init.

Package lazytemplate is a thin wrapper over text/template, allowing the use of global template variables without forcing them to be parsed at init.

Package nettrace contains internal hooks for tracing activity in the net package.

Package obscuretestdata contains functionality used by tests to more easily work with testdata that must be obscured primarily due to golang.org/issue/34986.

Package oserror defines errors values used in the os package.

Package pkgbits implements low-level coding abstractions for Unified IR's export data format.

Package poll supports non-blocking I/O on file descriptors with polling.

Package profile provides a representation of github.com/google/pprof/proto/profile.proto and methods to encode/decode/merge profiles in this format.

Package race contains helper functions for manually instrumenting code for the race detector.

Package reflectlite implements lightweight version of reflect, not using any package except for "runtime", "unsafe", and "github.com/go-asm/go/abi".

Package safefilepath manipulates operating-system file paths.

Package saferio provides I/O functions that avoid allocating large amounts of memory unnecessarily.

Package singleflight provides a duplicate function call suppression mechanism.

Package sysinfo implements high level hardware information gathering that can be used for debugging or information purposes.

Package testenv provides information about what functionality is available in different testing environments run by the Go team.

Package testlog provides a back-channel communication path between tests and package os, so that cmd/go can see which environment variables and files a test consults.

Package testpty is a simple pseudo-terminal package for Unix systems, implemented by calling C functions via cgo.

Package txtar implements a trivial text-based file archive format.

Package unsafeheader contains header declarations for the Go runtime's slice and string implementations.

Package xcoff implements access to XCOFF (Extended Common Object File Format) files.

Package zstd provides a decompressor for zstd streams, described in RFC 8878.