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The Ruby Programming Language https://www.ruby-lang.org/
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Daniel Colson 48a360baa4 Fix C level backtraces for USE_ELF 
After upgrading GitHub to Ruby 3.4 we noticed that we stopped getting
useful C level backtrace information in our crash reports. We traced it
back to 7dd2afbe3a.

Passing 0 instead of -1 made sense for the Mach-O version of
`fill_lines`, but there is a separate ELF version of `fill_lines` that
still has special handling for -1: 58e3aa0224/addr2line.c (L2178-L2209)

Without this special handling for the main executable, we don't have the
right `base_addr` when reading debug info, and so we fail to populate
the information for that line: 58e3aa0224/addr2line.c (L1948)
Then we get to 58e3aa0224/addr2line.c (L2649),
and potentially (depending on how things were run) get back `"ruby"` as
`info.dli_fname` instead of the absolute path for the executable. We set
that as the `binary_filename` and then try to open it inside the next
call to `fill_lines`, but that fails (unless you happen to be in the
directory where the ruby executable lives) and break out of filling
lines entirely: 58e3aa0224/addr2line.c (L2673-L2674)

This commit treats offset 0 as the main executable, rather than having
a special meaning for -1 (which gets turned into 0 anyway).

[Bug #21289]
2025-05-01 16:58:06 -07:00
.github Removed unused OS_VER variable 2025-05-01 10:46:00 +09:00
basictest Ensure test suite is compatible with --frozen-string-literal 2024-03-14 17:56:15 +01:00
benchmark Implement Set as a core class 2025-04-26 10:31:11 +09:00
bin
bootstraptest YJIT: Fix potential infinite loop when OOM (GH-13186) 2025-04-28 21:50:29 +09:00
ccan Initialize loop variable of ccan_list_for_each 2023-12-24 19:34:25 +09:00
coroutine coroutine/ppc64le: fix conditional registers got clobbered unexpectedly 2025-01-10 00:07:20 +09:00
coverage
cygwin Win32: Remove win32 directory if empty 2024-12-27 14:25:07 +09:00
defs Add zjit.mk 2025-04-18 21:52:55 +09:00
doc [DOC] Tweaks for String.new 2025-05-01 10:51:22 -04:00
enc Suppress gcc 15 unterminated-string-initialization warnings 2025-04-30 20:04:10 +09:00
ext [ruby/psych] fix error in @dispatch_catch 2025-05-01 17:54:18 +00:00
gc Count metadata entries automatically from the names list 2025-04-25 19:40:04 +09:00
gems Re-enabled repl_type_completor test with upstream fix 2025-04-30 16:59:25 +09:00
include get_next_shape_internal: Skip VM lock for single child case 2025-04-30 23:32:33 +02:00
internal Support Marshal.{dump,load} for core Set 2025-04-28 08:38:35 -07:00
lib [ruby/ipaddr] Added IPAddr#+/- 2025-04-26 11:56:42 +00:00
libexec Remove the temporary script: 2025-04-22 15:34:21 +09:00
man [DOC] Fix minor miscalculation of stack size 2025-03-07 16:18:25 -05:00
misc Always look for the top-level RBasic in LLDB scripts 2025-04-15 11:50:48 +09:00
missing Remove spinlock in dtoa's Balloc, use xmalloc 2025-04-07 16:56:44 -07:00
prism Use cgi/util if that uses like CGI.escape methods 2025-04-24 12:15:11 +09:00
sample Revert "* remove trailing spaces. [ci skip]" 2025-04-18 06:48:30 +09:00
spec Implement Set as a core class 2025-04-26 10:31:11 +09:00
template Suppress gcc 15 unterminated-string-initialization warnings 2025-04-30 20:04:10 +09:00
test Add support for Data objects with ivars 2025-05-01 17:52:14 +00:00
tool Reset GC.stress to avoid slow coverage processing during process exit 2025-05-01 14:08:33 +09:00
wasm Fix stack pointer corruption in setjmp handler in WASI builds 2025-03-31 11:59:33 +09:00
win32 fix rb_w32_strerror when errno < 0 2025-03-19 01:28:59 +09:00
yjit ZJIT: Disable ZJIT instructions when USE_ZJIT is 0 (#13199) 2025-04-29 11:03:13 -07:00
zjit ZJIT: Use RefCell to allow path compression in union-find (#13218) 2025-04-30 16:28:22 -07:00
.dir-locals.el
.document Assert everything is compiled in test_zjit (https://github.com/Shopify/zjit/pull/40) 2025-04-18 21:52:59 +09:00
.editorconfig
.gdbinit Allow gdb's rp to work on classes offline 2025-04-10 11:33:46 -07:00
.git-blame-ignore-revs Add commit 2da9238 to .git-blame-ignore-revs [ci skip] 2024-11-28 11:35:24 -05:00
.gitattributes Tell GitHub that *.inc.rs files are generated 2025-04-18 21:52:59 +09:00
.gitignore [Feature #21116] Extract RJIT as a third-party gem 2025-02-13 18:01:03 +09:00
.indent.pro
.mailmap Parenthesized SVN IDs in .mailmap look too verbose [ci skip] 2024-04-12 18:22:04 +09:00
.rdoc_options [DOC] Fix exclude: as regexps 2025-01-07 13:29:35 +09:00
.rspec_parallel
.travis.yml .travis.yml: Drop arm64 case. 2025-01-20 15:48:08 +01:00
aclocal.m4
addr2line.c Fix C level backtraces for USE_ELF 2025-05-01 16:58:06 -07:00
addr2line.h
array.c Assert the GVL is held when performing various rb_ functions. 2025-04-14 18:28:09 +09:00
array.rb [DOC] Tweaks for Array doc 2025-01-03 11:42:53 -05:00
ast.c Implement CLASS NODE locations 2025-03-08 18:26:40 +09:00
ast.rb [DOC] Fix typo in related class reference 2024-12-22 15:07:56 +09:00
autogen.sh
bignum.c bignum nogvl is offload safe. (#12132) 2024-11-21 13:46:27 +13:00
BSDL
builtin.c Gather code for builtin loading to miniinit.c 2024-09-08 23:16:46 +09:00
builtin.h YJIT: Replace Array#each only when YJIT is enabled (#11955) 2024-11-04 11:14:28 -05:00
class.c Restore the original order of const_added and inherited callbacks 2025-04-10 10:20:31 +02:00
common.mk Suppress gcc 15 unterminated-string-initialization warnings 2025-04-30 20:04:10 +09:00
compar.c [DOC] Exclude 'Class' and 'Module' from RDoc's autolinking 2025-01-02 12:36:06 +09:00
compile.c Use a set_table for rb_vm_struct.unused_block_warning_table 2025-04-27 11:59:28 +02:00
complex.c Fix style [ci skip] 2025-04-19 22:02:10 +09:00
configure.ac Enable YJIT by default 2025-04-18 21:53:01 +09:00
constant.h
cont.c Free jump buffers leaked by cont_restore_thread in WASI builds 2025-04-27 15:47:30 +09:00
CONTRIBUTING.md [DOC] Fix contributing link 2025-04-09 19:13:58 +09:00
COPYING
COPYING.ja
darray.h Create rb_darray_realloc_mul_add 2025-01-02 11:03:04 -05:00
debug.c Fix setting GC stress at boot when objspace not available 2024-03-27 09:39:23 -04:00
debug_counter.c
debug_counter.h Inline Class#new. 2025-04-25 13:46:05 -07:00
dir.c [Bug #21128] Include fcntl.h before checking for O_CLOEXEC 2025-02-17 13:05:18 +09:00
dir.rb [DOC] Exclude 'Class' and 'Module' from RDoc's autolinking 2025-01-02 12:36:06 +09:00
dln.c Avoid dangling pointer on cygwin 2024-10-25 20:52:32 +09:00
dln.h Revert all changes to dln.c, dmydln.c, dln.h for the shared GC 2024-07-10 14:28:10 -04:00
dln_find.c Make dln_warning a variadic macro 2024-04-07 16:44:42 +09:00
dmydln.c Revert all changes to dln.c, dmydln.c, dln.h for the shared GC 2024-07-10 14:28:10 -04:00
dmyenc.c Separate miniruby from dmyext.c 2024-02-21 23:37:20 +09:00
dmyext.c Separate miniruby from dmyext.c 2024-02-21 23:37:20 +09:00
encindex.h
encoding.c Add Encoding::UNICODE_VERSION constant 2025-04-23 14:14:36 +09:00
enum.c [doc] update Enumerable document. 2025-04-22 01:49:41 +09:00
enumerator.c Remove write barrier for non-Ruby object 2024-09-23 15:51:16 -04:00
error.c Fix style [ci skip] 2025-04-19 22:02:10 +09:00
eval.c Lock-free hash set for fstrings [Feature #21268] 2025-04-18 13:03:54 +09:00
eval_error.c Do not include a backtick in error messages and backtraces 2024-02-15 18:42:31 +09:00
eval_intern.h Revert "Fix jump buffer leak in setjmp handler in WASI builds" 2025-04-02 01:11:01 +09:00
eval_jump.c With ASAN EC_REPUSH_TAG doesn't work 2024-06-24 16:50:09 +09:00
file.c Ensure struct rb_io is passed through to thread.c. (#13134) 2025-04-19 09:55:16 +09:00
gc.c Fix style [ci skip] 2025-04-19 22:02:10 +09:00
gc.rb [DOC] Fix description comment typo 2025-02-13 08:53:02 +09:00
gem_prelude.rb
golf_prelude.rb
goruby.c Initialize goruby only when executing 2024-09-08 23:40:18 +09:00
GPL
hash.c Support Marshal.{dump,load} for core Set 2025-04-28 08:38:35 -07:00
hash.rb [DOC] Tweaks for Hash.new 2025-01-24 10:44:24 -05:00
hrtime.h use of stdckdint.h 2024-04-27 21:55:28 +09:00
id_table.c Replace assert with RUBY_ASSERT in id_table.c 2024-02-12 15:07:47 -05:00
id_table.h
imemo.c Only mark cc->cme_ on valid imemo_callcache 2025-03-16 16:00:08 -04:00
inits.c Implement Set as a core class 2025-04-26 10:31:11 +09:00
insns.def Don't support blockarg in opt_new 2025-04-29 09:13:25 -07:00
internal.h Ensure struct rb_io is passed through to thread.c. (#13134) 2025-04-19 09:55:16 +09:00
io.c Fix style [ci skip] 2025-04-19 22:02:10 +09:00
io.rb
io_buffer.c Make free, memsize functions of IO::Buffer static 2025-03-31 16:37:44 -04:00
iseq.c Add comments for cryptic functions in iseq.c 2025-04-28 11:45:54 -07:00
iseq.h Avoid pinning storage_head in iseq_mark_and_move (#12880) 2025-03-17 10:42:48 -04:00
kernel.rb Move Kernel#with_yjit to Module#with_yjit 2024-11-27 09:04:07 -08:00
KNOWNBUGS.rb
LEGAL Update LEGAL to mention ext/json/vendor 2025-03-28 07:24:52 +09:00
lex.c.blt Use gperf 3.1 to generate ANSI-C code 2024-06-24 23:43:45 +09:00
load.c Add a document to autoload 2025-03-13 22:08:01 +09:00
loadpath.c
localeinit.c
main.c Make wrapper of main for wasm more generic 2025-03-16 17:33:58 +09:00
marshal.c Suppress gcc 15 unterminated-string-initialization warnings 2025-04-30 20:04:10 +09:00
marshal.rb
math.c
memory_view.c Refactor VM root modules 2024-03-06 15:33:43 -05:00
method.h Use atomic for method reference count [Bug #20934] 2025-03-20 13:09:40 -07:00
mini_builtin.c Fix memory leak in prism when syntax error in iseq compilation 2024-11-08 15:43:41 -05:00
miniinit.c Gather code for builtin loading to miniinit.c 2024-09-08 23:16:46 +09:00
NEWS.md Update default gems list at b63c4d14f2 [ci skip] 2025-05-01 16:35:17 +00:00
nilclass.rb
node.c Add rb_node_get_type for debuggers 2025-01-09 19:24:27 +09:00
node.h Make node line macros inline functions 2025-01-30 18:19:53 +09:00
node_dump.c Implement CLASS NODE locations 2025-03-08 18:26:40 +09:00
numeric.c Fix Integer.sqrt to never exceed actual value 2025-04-07 11:08:10 +09:00
numeric.rb Fix the method name in a comment [ci skip] 2024-11-14 09:24:00 +09:00
object.c Improve syntax style consistency in shape.c and shape.h 2025-04-30 08:10:55 +02:00
pack.c Expand buffer at once then fill it at once 2024-09-29 18:55:15 +09:00
pack.rb [DOC] Mention block mode of String#unpack 2024-09-29 19:09:59 +09:00
parse.y Rename f_optarg to f_opt_arg for consistency in parser rules 2025-04-15 00:39:12 +09:00
parser_bits.h
parser_node.h
parser_st.c Fix extra semicolon outside of a function in NO_SANITIZE 2024-10-08 23:29:49 +09:00
parser_st.h
parser_value.h
prelude.rb Implement Set as a core class 2025-04-26 10:31:11 +09:00
prism_compile.c opt_new needs to happen after safe navigation 2025-04-29 13:33:23 -07:00
prism_compile.h [PRISM] Handle forwarding inside eval 2025-01-14 18:41:50 -05:00
prism_init.c
probes.d
probes_helper.h
proc.c Remove no longer used union 2025-04-03 16:56:24 +09:00
process.c [Feature #21116] Extract RJIT as a third-party gem 2025-02-13 18:01:03 +09:00
ractor.c Use rb_current_ec_noinline in assertions 2025-04-30 15:36:58 -07:00
ractor.rb Use correct warn method 2025-04-07 16:37:39 +02:00
ractor_core.h Ractor.set_if_absent(key) 2024-12-13 06:22:13 +09:00
random.c Remove a useless condition expression 2024-11-30 00:03:07 +09:00
range.c [DOC] beginless and endless ranges inspect returns "nil..nil" always 2025-03-21 10:30:40 +09:00
rational.c [DOC] Exclude 'Method' from RDoc's autolinking 2025-01-02 12:23:49 +09:00
re.c Fix memory leak in rb_reg_search_set_match 2025-03-11 21:55:03 -04:00
README.EXT
README.EXT.ja
README.ja.md [Feature #21116] Extract RJIT as a third-party gem 2025-02-13 18:01:03 +09:00
README.md [DOC] Fix contributing link 2025-04-09 19:13:58 +09:00
regcomp.c Fix [Bug #20246]: Don't set next_head_exact if a capture is called (#9897) 2024-02-13 09:53:03 +09:00
regenc.c [Bug #20239] Fix overflow at down-casting 2024-02-07 15:14:26 +09:00
regenc.h Suppress gcc 15 unterminated-string-initialization warnings 2025-04-30 20:04:10 +09:00
regerror.c
regexec.c Fix memoization for the /(...){0}/ case (#13169) 2025-04-24 12:03:24 +00:00
regint.h Fix memory leak in String#start_with? when regexp times out 2024-07-26 08:42:38 -04:00
regparse.c Do not break within certain combinations with Indic_Conjunct_Break (InCB)=Linker. 2025-03-18 21:18:12 +09:00
regparse.h
regsyntax.c
ruby-runner.c Do not overwrite GEM_PATH if already set 2025-02-10 18:04:25 +09:00
ruby.c ZJIT: Handle ZJIT options properly (#13197) 2025-04-29 09:50:05 -07:00
ruby_assert.h
ruby_atomic.h
ruby_parser.c Remove rb_enc_associate for Parser 2025-02-15 15:37:09 +09:00
rubyparser.h Implement CLASS NODE locations 2025-03-08 18:26:40 +09:00
rubystub.c
scheduler.c Prefer 0.000001 over 0.000001f for timeout calculations. (#12803) 2025-02-25 16:37:21 +13:00
set.c Don't call hash tombstone compaction from GC compaction 2025-04-29 13:33:10 -07:00
shape.c get_next_shape_internal: Skip VM lock for single child case 2025-04-30 23:32:33 +02:00
shape.h Improve syntax style consistency in shape.c and shape.h 2025-04-30 08:10:55 +02:00
signal.c Suppress gcc 15 unterminated-string-initialization warnings 2025-04-30 20:04:10 +09:00
siphash.c Suppress gcc 15 unterminated-string-initialization warnings 2025-04-30 20:04:10 +09:00
siphash.h
sparc.c
sprintf.c Fix benign off-by-one 2024-11-08 17:39:19 -08:00
st.c st.c: Removed unused set_add_direct_with_hash function 2025-04-29 23:19:51 +02:00
strftime.c Remove unused or wrong conversions 2024-10-20 19:33:21 +09:00
string.c [DOC] Tweaks for String.new 2025-05-01 10:51:22 -04:00
string.rb [DOC] Exclude 'Class' and 'Module' from RDoc's autolinking 2025-01-02 12:36:06 +09:00
struct.c [DOC] Show NONE within Measure namespace (#12274) 2025-01-09 13:53:49 +09:00
symbol.c Drop an ignored attribute 2025-05-01 10:26:20 -07:00
symbol.h Use dllexport as RUBY_FUNC_EXPORTED on Windows 2024-06-09 16:55:27 +09:00
symbol.rb Move Symbol#name into symbol.rb 2024-11-13 10:29:07 +01:00
thread.c Fix style [ci skip] 2025-04-19 22:02:10 +09:00
thread_none.c Fix style [ci skip] 2025-04-19 22:02:10 +09:00
thread_none.h
thread_pthread.c Fix style [ci skip] 2025-04-19 22:02:10 +09:00
thread_pthread.h Use no-inline version rb_current_ec on Arm64 2025-01-17 22:48:10 +09:00
thread_pthread_mn.c [Bug #21150] macOS: Temporary workaround at unwinding coroutine 2025-02-21 17:53:16 +09:00
thread_sync.c [DOC] Doc for Thread::ConditionVariable 2025-04-02 10:47:52 -04:00
thread_sync.rb
thread_win32.c Fix style [ci skip] 2025-04-19 22:02:10 +09:00
thread_win32.h
time.c Implement dcompact for Time objects 2025-03-31 16:56:29 +02:00
timev.h
timev.rb [doc] update Time document. 2025-02-23 10:37:36 +09:00
trace_point.rb [DOC] Fix grammar errors, typos, and improve readability of trace_point.rb (#12150) 2024-12-12 16:44:15 -05:00
transcode.c Fix constant documents (#12357) 2024-12-17 11:58:00 +09:00
transcode_data.h
universal_parser.c Remove rb_enc_associate for Parser 2025-02-15 15:37:09 +09:00
util.c Fix double free when getcwd does not allocate buffer 2024-07-17 15:16:21 +09:00
variable.c Restore the original order of const_added and inherited callbacks 2025-04-10 10:20:31 +02:00
variable.h
vcpkg.json Revert "Temporary removed gmp because vcpkg package is broken." 2025-02-17 18:08:37 +09:00
version.c Implement version string for ZJIT 2025-04-18 21:52:57 +09:00
version.h
vm.c Use a set_table for rb_vm_struct.unused_block_warning_table 2025-04-27 11:59:28 +02:00
vm_args.c Fix assertion failure with anonymous splats 2025-04-02 19:31:05 -07:00
vm_backtrace.c [Bug #21127] Thread deadlock does not display backtraces (#12721) 2025-02-14 16:31:58 +09:00
vm_callinfo.h Remove dead vm_cc_valid_p 2025-01-24 11:07:20 -05:00
vm_core.h Use rb_current_ec_noinline in assertions 2025-04-30 15:36:58 -07:00
vm_debug.h Add ruby_debug_print functions to vm_debug.h 2024-01-06 09:32:45 +09:00
vm_dump.c [Bug #21150] macOS: unwinding coroutine workaround is only for arm64 2025-04-05 10:31:20 +09:00
vm_eval.c Do not allocate new objects at machine stack overflow 2025-04-24 17:28:18 +09:00
vm_exec.c Only count VM instructions in YJIT stats builds 2025-02-14 14:39:35 -05:00
vm_exec.h Use UNDEF_P 2024-01-30 14:48:59 +09:00
vm_insnhelper.c Use a set_table for rb_vm_struct.unused_block_warning_table 2025-04-27 11:59:28 +02:00
vm_insnhelper.h Only count VM instructions in YJIT stats builds 2025-02-14 14:39:35 -05:00
vm_method.c Use set_table to track const caches 2025-04-26 12:10:32 +02:00
vm_opts.h Implement chilled strings 2024-03-19 09:26:49 +01:00
vm_sync.c VM barrier needs to store GC root 2024-07-05 21:20:54 +09:00
vm_sync.h specify NOINLINE for LTO 2024-11-08 18:02:46 +09:00
vm_trace.c Fix jump buffer leak in WASI builds 2025-04-27 15:47:30 +09:00
vsnprintf.c
warning.rb Kernel#warn: don't call Warning.warn unless the category is enabled 2024-06-12 20:57:31 +02:00
weakmap.c Fix a typo in WeakKeyMap argument error 2025-02-04 22:25:17 +01:00
yjit.c Allow YJIT mem-size and call-threshold to be set at runtime via YJIT.enable() (#12505) 2025-03-03 15:45:39 -05:00
yjit.h Fix false-positive memory leak using Valgrind in YJIT (#12057) 2024-11-11 20:45:11 +00:00
yjit.rb yjit.rb: Fix parameter name in documentation 2025-03-05 10:19:31 -05:00
yjit_hook.rb Move Kernel#with_yjit to Module#with_yjit 2024-11-27 09:04:07 -08:00
zjit.c ZJIT: Replace GetConstantPath with Const if the IC is not empty (#13183) 2025-04-28 12:10:26 -07:00
zjit.h Disable ZJIT profiling at call-threshold (https://github.com/Shopify/zjit/pull/99) 2025-04-18 21:53:01 +09:00
zjit.rb Assert everything is compiled in test_zjit (https://github.com/Shopify/zjit/pull/40) 2025-04-18 21:52:59 +09:00

README.md

Actions Status: MinGW Actions Status: Ubuntu Actions Status: Windows Travis 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://docs.ruby-lang.org/en/master/maintainers_md.html#label-Platform+Maintainers

How to get Ruby

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

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

You can download release packages and the snapshot of the repository. If you want to download whole versions of Ruby, please visit https://www.ruby-lang.org/en/downloads/releases/.

Download with Git

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:

join

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