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The Ruby Programming Language [mirror]
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Alan Wu 87bb0bee6b
YJIT: Fix page rounding for icache busting 
Previously, we found the current page by rounding the current pointer to
the closest smaller page size. This is incorrect because pages are
relative to the start of the address we reserve. For example, if the
starting address is 12KiB modulo the 16KiB page size, once we have more
than 4KiB of code, calculating with the address would incorrectly give
us page 1 when we're actually still on page 0.

Previously, I can reproduce crashes with:

    make btest RUN_OPTS=--yjit-code-page-size=32

on ARM64 macOS, where system page sizes are 16KiB.
2022-10-21 17:06:34 -04:00
.github Ignore manual files only commits [ci skip] 2022-10-18 17:44:31 +09:00
basictest
benchmark Add several new methods for getting and setting buffer contents. (#6434) 2022-09-26 18:06:12 +13:00
bin
bootstraptest Add test for ractor race condition on ivar sets 2022-10-14 11:59:36 -07:00
ccan
coroutine Fix and improve coroutines for Darwin (macOS) ppc/ppc64. (#5975) 2022-10-19 23:49:45 +13:00
coverage
cygwin Fix parallel build on MINGW 2022-09-10 09:32:27 +09:00
defs reserved_word: just use gperf 3.1 declaration 2022-09-21 11:44:09 +09:00
doc [DOC] Add link targets (#6602) 2022-10-21 14:42:28 -05:00
enc reserved_word: just use gperf 3.1 declaration 2022-09-21 11:44:09 +09:00
ext [ruby/stringio] [DOC] Enhanced RDoc for StringIO 2022-10-21 14:12:45 +00:00
gems Update bundled gems list at 2022-10-16 2022-10-16 18:22:20 +09:00
include Add Class#attached_object 2022-10-20 17:30:17 +02:00
internal push dummy frame for loading process 2022-10-20 17:38:28 +09:00
lib [ruby/net-http] Revert "Replace Timeout.timeout in Net:HTTP#connect" 2022-10-21 12:39:52 +00:00
libexec
man [ruby/irb] Add description of IRB_LANG, IRBRC, and XDG_CONFIG_HOME to man 2022-10-05 19:20:22 +09:00
misc Revert "Revert "This commit implements the Object Shapes technique in CRuby."" 2022-10-11 08:40:56 -07:00
missing
sample
spec Range#size returns nil for (.."a") and (nil..) 2022-10-21 16:35:46 +09:00
template Suppress warning for fgrep 2022-10-19 21:10:00 +09:00
test Range#size returns nil for (.."a") and (nil..) 2022-10-21 16:35:46 +09:00
tool Fix and improve coroutines for Darwin (macOS) ppc/ppc64. (#5975) 2022-10-19 23:49:45 +13:00
wasm
win32 Demote mjit_instruction.rb from builtin to stdlib 2022-09-18 14:04:20 +09:00
yjit YJIT: Fix page rounding for icache busting 2022-10-21 17:06:34 -04:00
.appveyor.yml Ignore manual files only commits [ci skip] 2022-10-20 21:58:06 +09:00
.cirrus.yml Ignore manual files only commits [ci skip] 2022-10-20 21:58:06 +09:00
.dir-locals.el
.document
.editorconfig
.gdbinit
.git-blame-ignore-revs
.gitattributes
.gitignore mjit_c.rb doesn't need to be an erb 2022-09-23 06:44:28 +09:00
.indent.pro
.rdoc_options
.rspec_parallel
.travis.yml [TravisCI] The source of YAML is no longer bundled 2022-09-15 01:38:43 +09:00
aclocal.m4
addr2line.c Fix and improve coroutines for Darwin (macOS) ppc/ppc64. (#5975) 2022-10-19 23:49:45 +13:00
addr2line.h
array.c Use roomof macro for rounding up divisions 2022-10-14 19:23:25 +09:00
array.rb
ast.c Move error from top_stmts and top_stmt to stmt 2022-10-08 17:59:11 +09:00
ast.rb Add error_tolerant option to RubyVM::AST 2022-10-08 17:59:11 +09:00
autogen.sh
bignum.c Use roomof macro for rounding up divisions 2022-10-14 19:23:25 +09:00
BSDL
builtin.c
builtin.h Built-in function table sentinels do not need names 2022-09-09 14:20:47 +09:00
class.c Add Class#attached_object 2022-10-20 17:30:17 +02:00
common.mk Make mjit_cont sharable with YJIT (#6556) 2022-10-17 09:27:59 -07:00
compar.c
compile.c push dummy frame for loading process 2022-10-20 17:38:28 +09:00
complex.c [DOC] Add the polar form in String#to_c 2022-10-17 12:02:34 +09:00
configure.ac YJIT: fold the "asm_comments" feature into "disasm" (#6591) 2022-10-19 14:03:07 -04:00
constant.h
cont.c MJIT: Stop using the VM barrier for jit_cont 2022-10-19 17:20:48 -07:00
CONTRIBUTING.md
COPYING
COPYING.ja
darray.h
debug.c
debug_counter.c
debug_counter.h Revert "Revert "This commit implements the Object Shapes technique in CRuby."" 2022-10-11 08:40:56 -07:00
dir.c [Bug #19042] Fix Dir.glob brace with '/' 2022-10-18 09:18:03 +09:00
dir.rb
dln.c Fix and improve coroutines for Darwin (macOS) ppc/ppc64. (#5975) 2022-10-19 23:49:45 +13:00
dln.h
dln_find.c
dmydln.c
dmyenc.c
dmyext.c
encindex.h
encoding.c Remove get_actual_encoding() and the dynamic endian detection for dummy UTF-16/UTF-32 2022-09-12 14:02:34 +02:00
enum.c [DOC] Fix typo in Enumerable#slice_before 2022-10-19 09:14:50 +09:00
enumerator.c
error.c Fix and improve coroutines for Darwin (macOS) ppc/ppc64. (#5975) 2022-10-19 23:49:45 +13:00
eval.c MJIT: Stop using the VM barrier for jit_cont 2022-10-19 17:20:48 -07:00
eval_error.c
eval_intern.h
eval_jump.c
file.c [DOC] More about line number (#6582) 2022-10-19 10:34:51 -05:00
gc.c Check writebarrier arguments only when RGENGC_CHECK_MODE [ci skip] 2022-10-21 10:02:16 +09:00
gc.h Fix and improve coroutines for Darwin (macOS) ppc/ppc64. (#5975) 2022-10-19 23:49:45 +13:00
gc.rb
gem_prelude.rb
golf_prelude.rb
goruby.c
GPL
hash.c
hrtime.h
id_table.c
id_table.h
inits.c Revert "Revert "This commit implements the Object Shapes technique in CRuby."" 2022-10-11 08:40:56 -07:00
insns.def New constant caching insn: opt_getconstant_path 2022-09-01 15:20:49 -07:00
internal.h Define UNDEF_P and NIL_OR_UNDEF_P [EXPERIMENTAL] 2022-10-20 22:05:27 +09:00
io.c Update Fiber::Scheduler documentation. (#6562) 2022-10-15 21:43:45 +13:00
io.rb
io_buffer.c Add support for anonymous shared IO buffers. (#6580) 2022-10-19 18:53:38 +13:00
iseq.c push dummy frame for loading process 2022-10-20 17:38:28 +09:00
iseq.h Allow passing a Rust closure to rb_iseq_callback (#6575) 2022-10-18 09:07:11 -07:00
kernel.rb
KNOWNBUGS.rb
LEGAL
lex.c.blt reserved_word: just use gperf 3.1 declaration 2022-09-21 11:44:09 +09:00
load.c push dummy frame for loading process 2022-10-20 17:38:28 +09:00
loadpath.c
localeinit.c
main.c
marshal.c Revert "Revert "This commit implements the Object Shapes technique in CRuby."" 2022-10-11 08:40:56 -07:00
marshal.rb
math.c
memory_view.c
method.h YJIT: Implement specialized respond_to? (#6363) 2022-09-14 16:15:55 -04:00
mini_builtin.c Rework first_lineno to be int. 2022-09-26 00:41:16 +13:00
miniinit.c
mjit.c Allow passing a Rust closure to rb_iseq_callback (#6575) 2022-10-18 09:07:11 -07:00
mjit.h Make mjit_cont sharable with YJIT (#6556) 2022-10-17 09:27:59 -07:00
mjit.rb
mjit_c.rb Only expose Ruby Shape API if VM_CHECK_MODE is enabled 2022-10-13 13:11:01 -07:00
mjit_compiler.c Avoid type limits (#6435) 2022-09-26 09:21:05 +09:00
mjit_compiler.h Revert "Revert "This commit implements the Object Shapes technique in CRuby."" 2022-10-11 08:40:56 -07:00
mjit_compiler.rb Drop c_64 and c_32 2022-09-23 06:44:28 +09:00
mjit_unit.h
NEWS.md Add Class#attached_object 2022-10-20 17:30:17 +02:00
nilclass.rb
node.c Move error from top_stmts and top_stmt to stmt 2022-10-08 17:59:11 +09:00
node.h Remove unused macro 2022-10-09 14:00:52 +09:00
numeric.c Use roomof macro for rounding up divisions 2022-10-14 19:23:25 +09:00
numeric.rb
object.c In init_copy, set shape after copying ivars 2022-10-21 10:57:05 -07:00
pack.c
pack.rb [DOC] Link to packed data doc (#6567) 2022-10-18 10:16:22 -05:00
parse.y Do not set $! to SyntaxError when error tolerant 2022-10-09 19:07:21 +09:00
prelude.rb
probes.d
probes_helper.h
proc.c Mark struct METHOD->owner for the GC 2022-10-03 12:03:46 +02:00
process.c Followed up 796069b288 2022-09-22 11:35:28 +09:00
ractor.c More precisely iterate over Object instance variables 2022-10-15 10:44:10 -07:00
ractor.rb
ractor_core.h Revert "Revert "This commit implements the Object Shapes technique in CRuby."" 2022-10-11 08:40:56 -07:00
random.c Respect USE_COMMON_RANDOM macro by a command line option [ci skip] 2022-10-17 18:36:09 +09:00
range.c Range#size returns nil for (.."a") and (nil..) 2022-10-21 16:35:46 +09:00
rational.c
re.c * expand tabs. [ci skip] 2022-10-10 13:22:15 +09:00
README.EXT
README.EXT.ja
README.ja.md
README.md Add link to how to build Ruby 2022-09-14 17:30:10 +09:00
regcomp.c Use roomof macro for rounding up divisions 2022-10-14 19:23:25 +09:00
regenc.c
regenc.h Use roomof macro for rounding up divisions 2022-10-14 19:23:25 +09:00
regerror.c
regexec.c
regint.h Fix and improve coroutines for Darwin (macOS) ppc/ppc64. (#5975) 2022-10-19 23:49:45 +13:00
regparse.c
regparse.h
regsyntax.c
ruby-runner.c
ruby.c Move "special consts" so Qundef and Qnil differ just 1 bit 2022-10-20 22:05:27 +09:00
ruby_assert.h
ruby_atomic.h
rubystub.c
scheduler.c Update Fiber::Scheduler documentation. (#6562) 2022-10-15 21:43:45 +13:00
shape.c Transition frozen string to frozen root shape 2022-10-19 11:06:19 -07:00
shape.h More precisely iterate over Object instance variables 2022-10-15 10:44:10 -07:00
signal.c
siphash.c Fix and improve coroutines for Darwin (macOS) ppc/ppc64. (#5975) 2022-10-19 23:49:45 +13:00
siphash.h
sparc.c
sprintf.c
st.c Fix and improve coroutines for Darwin (macOS) ppc/ppc64. (#5975) 2022-10-19 23:49:45 +13:00
strftime.c
string.c Correcting example for swapcase! method 2022-10-04 10:07:01 +09:00
string.rb
struct.c fix Data docs (#6497) 2022-10-06 10:13:17 -07:00
symbol.c Implement optimize send in yjit (#6488) 2022-10-11 16:37:05 -04:00
symbol.h
thread.c Avoid missed wakeup with fiber scheduler and Fiber.blocking. (#6588) 2022-10-20 13:38:52 +13:00
thread_none.c
thread_none.h
thread_pthread.c Fix possible use of undefined macros on very old macOS [ci skip] 2022-10-17 18:36:08 +09:00
thread_pthread.h
thread_sync.c Avoid missed wakeup with fiber scheduler and Fiber.blocking. (#6588) 2022-10-20 13:38:52 +13:00
thread_sync.rb thread_sync.c: Clarify and document the behavior of timeout == 0 2022-10-17 16:56:00 +02:00
thread_win32.c
thread_win32.h
time.c [DOC] use the local rdoc reference than the external URI 2022-10-11 16:25:09 +09:00
timev.h
timev.rb
trace_point.rb
transcode.c Using is_broken_string function 2022-09-10 09:32:51 +09:00
transcode_data.h
transient_heap.c
transient_heap.h
util.c [Bug #18997] Don't define ruby_qsort when POSIX qsort_r is available 2022-09-08 17:37:37 +09:00
variable.c Stop zeroing memory on allocation / copy 2022-10-19 07:54:46 -07:00
variable.h Revert "Revert "This commit implements the Object Shapes technique in CRuby."" 2022-10-11 08:40:56 -07:00
version.c
version.h Auto-generate the release date on version.h from git CommitDate (#6382) 2022-09-17 21:16:06 +09:00
vm.c push dummy frame for loading process 2022-10-20 17:38:28 +09:00
vm_args.c
vm_backtrace.c push dummy frame for loading process 2022-10-20 17:38:28 +09:00
vm_callinfo.h Prevent wrong integer expansion 2022-10-13 08:14:04 -07:00
vm_core.h push dummy frame for loading process 2022-10-20 17:38:28 +09:00
vm_debug.h
vm_dump.c push dummy frame for loading process 2022-10-20 17:38:28 +09:00
vm_eval.c Revert "Revert "This commit implements the Object Shapes technique in CRuby."" 2022-10-11 08:40:56 -07:00
vm_exec.c Fix and improve coroutines for Darwin (macOS) ppc/ppc64. (#5975) 2022-10-19 23:49:45 +13:00
vm_exec.h
vm_insnhelper.c push dummy frame for loading process 2022-10-20 17:38:28 +09:00
vm_insnhelper.h
vm_method.c Rework vm_core to use int first_lineno struct member. 2022-09-26 00:41:16 +13:00
vm_opts.h
vm_sync.c
vm_sync.h
vm_trace.c
vsnprintf.c
warning.rb
yjit.c Allow passing a Rust closure to rb_iseq_callback (#6575) 2022-10-18 09:07:11 -07:00
yjit.h New constant caching insn: opt_getconstant_path 2022-09-01 15:20:49 -07:00
yjit.rb YJIT: Avoid creating payloads for non-JITed ISEQs (#6549) 2022-10-14 12:45:00 -07:00

README.md

Actions Status: MinGW Actions Status: MJIT Actions Status: Ubuntu Actions Status: Windows AppVeyor status Travis Status Cirrus Status

What is Ruby?

Ruby is an interpreted object-oriented programming language often used for web development. It also offers many scripting features to process plain text and serialized files, or manage system tasks. It is simple, straightforward, and extensible.

Features of Ruby

  • Simple Syntax
  • Normal Object-oriented Features (e.g. class, method calls)
  • Advanced Object-oriented Features (e.g. mix-in, singleton-method)
  • Operator Overloading
  • Exception Handling
  • Iterators and Closures
  • Garbage Collection
  • Dynamic Loading of Object Files (on some architectures)
  • Highly Portable (works on many Unix-like/POSIX compatible platforms as well as Windows, macOS, etc.) cf. https://github.com/ruby/ruby/blob/master/doc/maintainers.rdoc#label-Platform+Maintainers

How to get Ruby with Git

For a complete list of ways to install Ruby, including using third-party tools like rvm, see:

https://www.ruby-lang.org/en/downloads/

The mirror of the Ruby source tree can be checked out with the following command:

$ git clone https://github.com/ruby/ruby.git

There are some other branches under development. Try the following command to see the list of branches:

$ git ls-remote https://github.com/ruby/ruby.git

You may also want to use https://git.ruby-lang.org/ruby.git (actual master of Ruby source) if you are a committer.

How to build

see Building Ruby

Ruby home page

https://www.ruby-lang.org/

Documentation

Mailing list

There is a mailing list to discuss Ruby. To subscribe to this list, please send the following phrase:

subscribe

in the mail body (not subject) to the address ruby-talk-request@ruby-lang.org.

Copying

See the file COPYING.

Feedback

Questions about the Ruby language can be asked on the Ruby-Talk mailing list or on websites like https://stackoverflow.com.

Bugs should be reported at https://bugs.ruby-lang.org. Read "Reporting Issues" for more information.

Contributing

See "Contributing to Ruby", which includes setup and build instructions.

The Author

Ruby was originally designed and developed by Yukihiro Matsumoto (Matz) in 1995.

matz@ruby-lang.org