[Tarantool-patches] [PATCH] build: add missing module for jit.dump on ARM64

Igor Munkin imun at tarantool.org
Mon May 17 19:34:33 MSK 2021


Oops, sorry guys, but the test seems to be noop for this fix (in other
works it's OK even without patch), so I've reimplemented it. Consider
the description in the test. Diff is below:

================================================================================

diff --git a/test/app-tap/gh-5983-jit-library-smoke-tests.skipcond b/test/app-tap/gh-5983-jit-library-smoke-tests.skipcond
new file mode 100644
index 000000000..2a2ec4d97
--- /dev/null
+++ b/test/app-tap/gh-5983-jit-library-smoke-tests.skipcond
@@ -0,0 +1,7 @@
+import platform
+
+# Disabled on FreeBSD due to #4819.
+if platform.system() == 'FreeBSD':
+    self.skip = 1
+
+# vim: set ft=python:
diff --git a/test/app-tap/gh-5983-jit-library-smoke-tests.test.lua b/test/app-tap/gh-5983-jit-library-smoke-tests.test.lua
new file mode 100755
index 000000000..72caec2f9
--- /dev/null
+++ b/test/app-tap/gh-5983-jit-library-smoke-tests.test.lua
@@ -0,0 +1,44 @@
+#!/usr/bin/env tarantool
+
+-- Just check whether all Lua sources related to jit.dump are
+-- bundled to the binary. Otherwise, jit.dump module raises
+-- an error that is handled via <pcall>.
+-- XXX: pure require for jit.dump doesn't cover all the cases,
+-- since dis_<arch>.lua are loaded at runtime. Furthermore, this
+-- error is handled by JIT engine, so we can't use <pcall> for it.
+-- Hence, simply sniff the output of the test to check that all
+-- phases of trace compilation are dumped.
+
+if #arg == 0 then
+  local tap = require('tap')
+  local test = tap.test('gh-5983-jit-library-smoke-tests')
+
+  test:plan(1)
+
+  -- XXX: Shell argument <test> is necessary to differ test case
+  -- from the test runner.
+  local cmd = string.gsub('<LUABIN> 2>&1 <SCRIPT> test', '%<(%w+)>', {
+      LUABIN = arg[-1],
+      SCRIPT = arg[0],
+  })
+  local proc = io.popen(cmd)
+  local got = proc:read('*all'):gsub('^%s+', ''):gsub('%s+$', '')
+  local expected = table.concat({
+      '---- TRACE %d start',
+      '---- TRACE %d IR',
+      '---- TRACE %d mcode',
+      '---- TRACE %d stop',
+      '---- TRACE %d exit',
+  }, '.+')
+
+  test:like(got, expected , 'jit.dump smoke tests')
+
+  os.exit(test:check() and 0 or 1)
+end
+
+-- Use *all* jit.dump options, so the test can check them all.
+require('jit.dump').start('+tbisrmXaT')
+-- Tune JIT engine to make the test faster and more robust.
+jit.opt.start('hotloop=1')
+-- Record primitive loop.
+for _ = 1, 3 do end

================================================================================

CI is green[1] now.

On 04.05.21, Igor Munkin wrote:
> Since commit c9d88d5f48054d78727b587fef7567422cdc39a6 ('Fix #984: add
> jit.* library to the binary') all required modules implemented in Lua
> are bundled (i.e. compiled into the executable as a C literal) into
> Tarantool binary. While making Tarantool work on ARM64 platforms, it
> turned out the arch-specific module (namely, jit/dis_arm64.lua) is not
> bundled. Within this patch the missing sources are added and jit.dump
> loads fine on ARM64 hosts as a result.
> 
> Part of #5983
> Relates to #5629
> Follows up #984
> 
> Signed-off-by: Igor Munkin <imun at tarantool.org>
> ---
> 
> Branch: https://github.com/tarantool/tarantool/tree/imun/gh-5983-add-jit-dump-on-arm64
> Issue: https://github.com/tarantool/tarantool/issues/5983
> 
> CI looks to be OK[1] except the known problems with ASAN[2].
> 
> [1]: https://github.com/tarantool/tarantool/commit/be184b2
> [2]: https://github.com/tarantool/tarantool/issues/6031
> 
>  src/CMakeLists.txt                                 |  1 +
>  src/lua/init.c                                     |  2 ++
>  .../gh-5983-jit-library-smoke-tests.test.lua       | 14 ++++++++++++++
>  3 files changed, 17 insertions(+)
>  create mode 100755 test/app-tap/gh-5983-jit-library-smoke-tests.test.lua
> 
> diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
> index 9005a37d6..f7a776986 100644
> --- a/src/CMakeLists.txt
> +++ b/src/CMakeLists.txt
> @@ -54,6 +54,7 @@ lua_source(lua_sources lua/swim.lua)
>  # LuaJIT jit.* library
>  lua_source(lua_sources ${LUAJIT_SOURCE_ROOT}/src/jit/bc.lua)
>  lua_source(lua_sources ${LUAJIT_SOURCE_ROOT}/src/jit/bcsave.lua)
> +lua_source(lua_sources ${LUAJIT_SOURCE_ROOT}/src/jit/dis_arm64.lua)
>  lua_source(lua_sources ${LUAJIT_SOURCE_ROOT}/src/jit/dis_x86.lua)
>  lua_source(lua_sources ${LUAJIT_SOURCE_ROOT}/src/jit/dis_x64.lua)
>  lua_source(lua_sources ${LUAJIT_SOURCE_ROOT}/src/jit/dump.lua)
> diff --git a/src/lua/init.c b/src/lua/init.c
> index 3358b7136..dfae4afb7 100644
> --- a/src/lua/init.c
> +++ b/src/lua/init.c
> @@ -106,6 +106,7 @@ extern char strict_lua[],
>  	vmdef_lua[],
>  	bc_lua[],
>  	bcsave_lua[],
> +	dis_arm64_lua[],
>  	dis_x86_lua[],
>  	dis_x64_lua[],
>  	dump_lua[],
> @@ -167,6 +168,7 @@ static const char *lua_modules[] = {
>  	"jit.vmdef", vmdef_lua,
>  	"jit.bc", bc_lua,
>  	"jit.bcsave", bcsave_lua,
> +	"jit.dis_arm64", dis_arm64_lua,
>  	"jit.dis_x86", dis_x86_lua,
>  	"jit.dis_x64", dis_x64_lua,
>  	"jit.dump", dump_lua,
> diff --git a/test/app-tap/gh-5983-jit-library-smoke-tests.test.lua b/test/app-tap/gh-5983-jit-library-smoke-tests.test.lua
> new file mode 100755
> index 000000000..ab42fbebf
> --- /dev/null
> +++ b/test/app-tap/gh-5983-jit-library-smoke-tests.test.lua
> @@ -0,0 +1,14 @@
> +#!/usr/bin/env tarantool
> +
> +local tap = require('tap')
> +
> +local test = tap.test('gh-5983-jit-library-smoke-tests')
> +test:plan(1)
> +
> +-- Just check whether all Lua sources related to jit.dump are
> +-- bundled to the binary. Otherwise, loading jit.dump module
> +-- raises an error that is handled via <pcall> and passed as a
> +-- second argument to the assertion.
> +test:ok(pcall(require, 'jit.dump'))
> +
> +os.exit(test:check() and 0 or 1)
> -- 
> 2.25.0
> 

[1]: https://github.com/tarantool/tarantool/commit/18a4018

-- 
Best regards,
IM


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