test,doc,sea: run SEA tests on ppc64

The recent Postject upgrade, #48072,
included a performance improvement for the injection operation
(see nodejs/postject#86), so now it might be
possible to run the SEA tests on the ppc64 architecture runners on
Jenkins, which was previously getting timed out.
Signed-off-by: Darshan Sen <raisinten@gmail.com>
PR-URL: #48111
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Author: RaisinTen

test/common/sea.js

@@ -0,0 +1,88 @@
+'use strict';
+
+constcommon=require('../common');
+constfixtures=require('../common/fixtures');
+
+const{ readFileSync }=require('fs');
+const{ execFileSync }=require('child_process');
+
+functionskipIfSingleExecutableIsNotSupported(){
+if(!process.config.variables.single_executable_application)
+common.skip('Single Executable Application support has been disabled.');
+
+if(!['darwin','win32','linux'].includes(process.platform))
+common.skip(`Unsupported platform ${process.platform}.`);
+
+if(process.platform==='linux'&&process.config.variables.is_debug===1)
+common.skip('Running the resultant binary fails with `Couldn\'t read target executable"`.');
+
+if(process.config.variables.node_shared)
+common.skip('Running the resultant binary fails with '+
+'`/home/iojs/node-tmp/.tmp.2366/sea: error while loading shared libraries: '+
+'libnode.so.112: cannot open shared object file: No such file or directory`.');
+
+if(process.config.variables.icu_gyp_path==='tools/icu/icu-system.gyp')
+common.skip('Running the resultant binary fails with '+
+'`/home/iojs/node-tmp/.tmp.2379/sea: error while loading shared libraries: '+
+'libicui18n.so.71: cannot open shared object file: No such file or directory`.');
+
+if(!process.config.variables.node_use_openssl||process.config.variables.node_shared_openssl)
+common.skip('Running the resultant binary fails with `Node.js is not compiled with OpenSSL crypto support`.');
+
+if(process.config.variables.want_separate_host_toolset!==0)
+common.skip('Running the resultant binary fails with `Segmentation fault (core dumped)`.');
+
+if(process.platform==='linux'){
+constosReleaseText=readFileSync('/etc/os-release',{encoding: 'utf-8'});
+constisAlpine=/^NAME="AlpineLinux"/m.test(osReleaseText);
+if(isAlpine)common.skip('Alpine Linux is not supported.');
+
+if(process.arch==='s390x'){
+common.skip('On s390x, postject fails with `memory access out of bounds`.');
+}
+}
+}
+
+functioninjectAndCodeSign(targetExecutable,resource){
+constpostjectFile=fixtures.path('postject-copy','node_modules','postject','dist','cli.js');
+execFileSync(process.execPath,[
+postjectFile,
+targetExecutable,
+'NODE_SEA_BLOB',
+resource,
+'--sentinel-fuse','NODE_SEA_FUSE_fce680ab2cc467b6e072b8b5df1996b2',
+ ...process.platform==='darwin' ? ['--macho-segment-name','NODE_SEA'] : [],
+]);
+
+if(process.platform==='darwin'){
+execFileSync('codesign',['--sign','-',targetExecutable]);
+execFileSync('codesign',['--verify',targetExecutable]);
+}elseif(process.platform==='win32'){
+letsigntoolFound=false;
+try{
+execFileSync('where',['signtool']);
+signtoolFound=true;
+}catch(err){
+console.log(err.message);
+}
+if(signtoolFound){
+letcertificatesFound=false;
+try{
+execFileSync('signtool',['sign','/fd','SHA256',targetExecutable]);
+certificatesFound=true;
+}catch(err){
+if(!/SignToolError:Nocertificateswerefoundthatmetallthegivencriteria/.test(err)){
+throwerr;
+}
+}
+if(certificatesFound){
+execFileSync('signtool','verify','/pa','SHA256',targetExecutable);
+}
+}
+}
+}
+
+module.exports={
+ skipIfSingleExecutableIsNotSupported,
+ injectAndCodeSign,
+};