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build: remove mdb from io.js 

After upgrading to a newer v8 mdb is pretty much broken - even if using
the latest updates from nodejs. If nodejs decides to update their v8 we
can give it another go, but for now it's better to remove it than have
it in our tree unsupported.

PR-URL: https://github.com/iojs/io.js/pull/1023
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Rod Vagg <rod@vagg.org>
v1.8.0-commit
Johan Bergström 10 years ago
committed by Ben Noordhuis
parent
4874182065
commit
37bb1df7c4
10 changed files with 0 additions and 5872 deletions
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  1. 7
      configure
  2. 4603
      deps/mdb_v8/mdb_v8.c
  3. 22
      deps/mdb_v8/mdb_v8.gyp
  4. 725
      deps/mdb_v8/mdb_v8_cfg.c
  5. 52
      deps/mdb_v8/v8cfg.h
  6. 80
      deps/mdb_v8/v8dbg.h
  7. 34
      node.gyp
  8. 86
      test/pummel/test-postmortem-findjsobjects.js
  9. 166
      test/pummel/test-postmortem-jsstack.js
  10. 97
      tools/mdb/extract_dmod.c

7
configure
View File

@ -575,13 +575,6 @@ def configure_node(o):
else: else:
o['variables']['node_use_lttng'] = 'false' o['variables']['node_use_lttng'] = 'false'
# if we're on illumos based systems wrap the helper library into the
# executable
if flavor == 'solaris':
o['variables']['node_use_mdb'] = 'true'
else:
o['variables']['node_use_mdb'] = 'false'
if options.no_ifaddrs: if options.no_ifaddrs:
o['defines'] += ['SUNOS_NO_IFADDRS'] o['defines'] += ['SUNOS_NO_IFADDRS']

4603
deps/mdb_v8/mdb_v8.c
View File

File diff suppressed because it is too large

22
deps/mdb_v8/mdb_v8.gyp
View File

@ -1,22 +0,0 @@
{
'targets': [
{
'target_name': 'mdb_v8',
'product_prefix': '',
'type': 'loadable_module',
'cflags': [ '-fPIC' ],
'sources': [
'mdb_v8.c',
'mdb_v8_cfg.c',
'v8cfg.h',
'v8dbg.h',
],
'link_settings': {
'libraries': [
'-lproc',
'-lavl',
],
},
},
],
}

725
deps/mdb_v8/mdb_v8_cfg.c
View File

@ -1,725 +0,0 @@
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
/*
* mdb_v8_cfg.c: canned configurations for previous V8 versions.
*
* The functions and data defined here enable this dmod to support debugging
* Node.js binaries that predated V8's built-in postmortem debugging support.
*/
#include "v8cfg.h"
/*ARGSUSED*/
static int
v8cfg_target_iter(v8_cfg_t *cfgp, int (*func)(mdb_symbol_t *, void *),
void *arg)
{
return (mdb_symbol_iter(MDB_OBJ_EVERY, MDB_DYNSYM,
MDB_BIND_GLOBAL | MDB_TYPE_OBJECT | MDB_TYPE_FUNC,
func, arg));
}
/*ARGSUSED*/
static int
v8cfg_target_readsym(v8_cfg_t *cfgp, const char *name, intptr_t *valp)
{
int val, rval;
if ((rval = mdb_readsym(&val, sizeof (val), name)) != -1)
*valp = (intptr_t)val;
return (rval);
}
/*
* Analog of mdb_symbol_iter() for a canned configuration.
*/
static int
v8cfg_canned_iter(v8_cfg_t *cfgp, int (*func)(mdb_symbol_t *, void *),
void *arg)
{
v8_cfg_symbol_t *v8sym;
mdb_symbol_t mdbsym;
int rv;
for (v8sym = cfgp->v8cfg_symbols; v8sym->v8cs_name != NULL; v8sym++) {
mdbsym.sym_name = v8sym->v8cs_name;
mdbsym.sym_object = NULL;
mdbsym.sym_sym = NULL;
mdbsym.sym_table = 0;
mdbsym.sym_id = 0;
if ((rv = func(&mdbsym, arg)) != 0)
return (rv);
}
return (0);
}
/*
* Analog of mdb_readsym() for a canned configuration.
*/
static int
v8cfg_canned_readsym(v8_cfg_t *cfgp, const char *name, intptr_t *valp)
{
v8_cfg_symbol_t *v8sym;
for (v8sym = cfgp->v8cfg_symbols; v8sym->v8cs_name != NULL; v8sym++) {
if (strcmp(name, v8sym->v8cs_name) == 0)
break;
}
if (v8sym->v8cs_name == NULL)
return (-1);
*valp = v8sym->v8cs_value;
return (0);
}
/*
* Canned configuration for the V8 bundled with Node.js v0.4.8 and later.
*/
static v8_cfg_symbol_t v8_symbols_node_04[] = {
{ "v8dbg_type_AccessCheckInfo__ACCESS_CHECK_INFO_TYPE", 0x91 },
{ "v8dbg_type_AccessorInfo__ACCESSOR_INFO_TYPE", 0x90 },
{ "v8dbg_type_BreakPointInfo__BREAK_POINT_INFO_TYPE", 0x9b },
{ "v8dbg_type_ByteArray__BYTE_ARRAY_TYPE", 0x86 },
{ "v8dbg_type_CallHandlerInfo__CALL_HANDLER_INFO_TYPE", 0x93 },
{ "v8dbg_type_Code__CODE_TYPE", 0x81 },
{ "v8dbg_type_CodeCache__CODE_CACHE_TYPE", 0x99 },
{ "v8dbg_type_ConsString__CONS_ASCII_STRING_TYPE", 0x5 },
{ "v8dbg_type_ConsString__CONS_ASCII_SYMBOL_TYPE", 0x45 },
{ "v8dbg_type_ConsString__CONS_STRING_TYPE", 0x1 },
{ "v8dbg_type_ConsString__CONS_SYMBOL_TYPE", 0x41 },
{ "v8dbg_type_DebugInfo__DEBUG_INFO_TYPE", 0x9a },
{ "v8dbg_type_ExternalAsciiString__EXTERNAL_ASCII_STRING_TYPE", 0x6 },
{ "v8dbg_type_ExternalAsciiString__EXTERNAL_ASCII_SYMBOL_TYPE", 0x46 },
{ "v8dbg_type_ExternalByteArray__EXTERNAL_BYTE_ARRAY_TYPE", 0x88 },
{ "v8dbg_type_ExternalFloatArray__EXTERNAL_FLOAT_ARRAY_TYPE", 0x8e },
{ "v8dbg_type_ExternalIntArray__EXTERNAL_INT_ARRAY_TYPE", 0x8c },
{ "v8dbg_type_ExternalShortArray__EXTERNAL_SHORT_ARRAY_TYPE", 0x8a },
{ "v8dbg_type_ExternalString__EXTERNAL_STRING_TYPE", 0x2 },
{ "v8dbg_type_ExternalString__EXTERNAL_SYMBOL_TYPE", 0x42 },
{ "v8dbg_type_ExternalUnsignedByteArray__"
"EXTERNAL_UNSIGNED_BYTE_ARRAY_TYPE", 0x89 },
{ "v8dbg_type_ExternalUnsignedIntArray__"
"EXTERNAL_UNSIGNED_INT_ARRAY_TYPE", 0x8d },
{ "v8dbg_type_ExternalUnsignedShortArray__"
"EXTERNAL_UNSIGNED_SHORT_ARRAY_TYPE", 0x8b },
{ "v8dbg_type_FixedArray__FIXED_ARRAY_TYPE", 0x9c },
{ "v8dbg_type_FunctionTemplateInfo__"
"FUNCTION_TEMPLATE_INFO_TYPE", 0x94 },
{ "v8dbg_type_HeapNumber__HEAP_NUMBER_TYPE", 0x84 },
{ "v8dbg_type_InterceptorInfo__INTERCEPTOR_INFO_TYPE", 0x92 },
{ "v8dbg_type_JSArray__JS_ARRAY_TYPE", 0xa5 },
{ "v8dbg_type_JSBuiltinsObject__JS_BUILTINS_OBJECT_TYPE", 0xa3 },
{ "v8dbg_type_JSFunction__JS_FUNCTION_TYPE", 0xa7 },
{ "v8dbg_type_JSGlobalObject__JS_GLOBAL_OBJECT_TYPE", 0xa2 },
{ "v8dbg_type_JSGlobalPropertyCell__"
"JS_GLOBAL_PROPERTY_CELL_TYPE", 0x83 },
{ "v8dbg_type_JSGlobalProxy__JS_GLOBAL_PROXY_TYPE", 0xa4 },
{ "v8dbg_type_JSMessageObject__JS_MESSAGE_OBJECT_TYPE", 0x9e },
{ "v8dbg_type_JSObject__JS_OBJECT_TYPE", 0xa0 },
{ "v8dbg_type_JSRegExp__JS_REGEXP_TYPE", 0xa6 },
{ "v8dbg_type_JSValue__JS_VALUE_TYPE", 0x9f },
{ "v8dbg_type_Map__MAP_TYPE", 0x80 },
{ "v8dbg_type_ObjectTemplateInfo__OBJECT_TEMPLATE_INFO_TYPE", 0x95 },
{ "v8dbg_type_Oddball__ODDBALL_TYPE", 0x82 },
{ "v8dbg_type_Script__SCRIPT_TYPE", 0x98 },
{ "v8dbg_type_SeqAsciiString__ASCII_STRING_TYPE", 0x4 },
{ "v8dbg_type_SeqAsciiString__ASCII_SYMBOL_TYPE", 0x44 },
{ "v8dbg_type_SharedFunctionInfo__SHARED_FUNCTION_INFO_TYPE", 0x9d },
{ "v8dbg_type_SignatureInfo__SIGNATURE_INFO_TYPE", 0x96 },
{ "v8dbg_type_String__STRING_TYPE", 0x0 },
{ "v8dbg_type_String__SYMBOL_TYPE", 0x40 },
{ "v8dbg_type_TypeSwitchInfo__TYPE_SWITCH_INFO_TYPE", 0x97 },
{ "v8dbg_class_AccessCheckInfo__data__Object", 0xc },
{ "v8dbg_class_AccessCheckInfo__indexed_callback__Object", 0x8 },
{ "v8dbg_class_AccessCheckInfo__named_callback__Object", 0x4 },
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{ "v8dbg_FirstNonstringType", 0x80 },
{ "v8dbg_HeapObjectTag", 0x1 },
{ "v8dbg_HeapObjectTagMask", 0x3 },
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{ "v8dbg_NotStringTag", 0x80 },
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{ "v8dbg_SmiTagMask", 0x1 },
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{ "v8dbg_StringEncodingMask", 0x4 },
{ "v8dbg_StringRepresentationMask", 0x3 },
{ "v8dbg_StringTag", 0x0 },
{ "v8dbg_TwoByteStringTag", 0x0 },
{ "v8dbg_PointerSizeLog2", 0x2 },
{ NULL }
};
/*
* Canned configuration for the V8 bundled with Node.js v0.6.5.
*/
static v8_cfg_symbol_t v8_symbols_node_06[] = {
{ "v8dbg_type_AccessCheckInfo__ACCESS_CHECK_INFO_TYPE", 0x93 },
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v8_cfg_t v8_cfg_04 = { "node-0.4", "node v0.4", v8_symbols_node_04,
v8cfg_canned_iter, v8cfg_canned_readsym };
v8_cfg_t v8_cfg_06 = { "node-0.6", "node v0.6", v8_symbols_node_06,
v8cfg_canned_iter, v8cfg_canned_readsym };
v8_cfg_t *v8_cfgs[] = {
&v8_cfg_04,
&v8_cfg_06,
NULL
};
v8_cfg_t v8_cfg_target = { NULL, NULL, NULL, v8cfg_target_iter,
v8cfg_target_readsym };

52
deps/mdb_v8/v8cfg.h
View File

@ -1,52 +0,0 @@
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
/*
* v8cfg.h: canned configurations for previous V8 versions
*/
#ifndef V8CFG_H
#define V8CFG_H
#include <sys/types.h>
#include <sys/mdb_modapi.h>
typedef struct {
const char *v8cs_name; /* symbol name */
intptr_t v8cs_value; /* symbol value */
} v8_cfg_symbol_t;
typedef struct v8_cfg {
const char *v8cfg_name; /* canned config name */
const char *v8cfg_label; /* description */
v8_cfg_symbol_t *v8cfg_symbols; /* actual symbol values */
int (*v8cfg_iter)(struct v8_cfg *, int (*)(mdb_symbol_t *, void *),
void *);
int (*v8cfg_readsym)(struct v8_cfg *, const char *, intptr_t *);
} v8_cfg_t;
extern v8_cfg_t v8_cfg_04;
extern v8_cfg_t v8_cfg_06;
extern v8_cfg_t v8_cfg_target;
extern v8_cfg_t *v8_cfgs[];
#endif /* V8CFG_H */

80
deps/mdb_v8/v8dbg.h
View File

@ -1,80 +0,0 @@
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
/*
* v8dbg.h: macros for use by V8 heap inspection tools. The consumer must
* define values for various tags and shifts. The MDB module gets these
* constants from information encoded in the binary itself.
*/
#ifndef _V8DBG_H
#define _V8DBG_H
/*
* Recall that while V8 heap objects are always 4-byte aligned, heap object
* pointers always have the last bit set. So when looking for a field nominally
* at offset X, one must be sure to clear the tag bit first.
*/
#define V8_OFF_HEAP(x) ((x) - V8_HeapObjectTag)
/*
* Determine whether a given pointer refers to a SMI, Failure, or HeapObject.
*/
#define V8_IS_SMI(ptr) (((ptr) & V8_SmiTagMask) == V8_SmiTag)
#define V8_IS_FAILURE(ptr) (((ptr) & V8_FailureTagMask) == V8_FailureTag)
#define V8_IS_HEAPOBJECT(ptr) \
(((ptr) & V8_HeapObjectTagMask) == V8_HeapObjectTag)
/*
* Extract the value of a SMI "pointer". Recall that small integers are stored
* using the upper 31 bits.
*/
#define V8_SMI_VALUE(smi) ((smi) >> (V8_SmiValueShift + V8_SmiShiftSize))
/*
* Determine the encoding and representation of a V8 string.
*/
#define V8_TYPE_STRING(type) (((type) & V8_IsNotStringMask) == V8_StringTag)
#define V8_STRENC_ASCII(type) \
(((type) & V8_StringEncodingMask) == V8_AsciiStringTag)
#define V8_STRREP_SEQ(type) \
(((type) & V8_StringRepresentationMask) == V8_SeqStringTag)
#define V8_STRREP_CONS(type) \
(((type) & V8_StringRepresentationMask) == V8_ConsStringTag)
#define V8_STRREP_SLICED(type) \
(((type) & V8_StringRepresentationMask) == V8_SlicedStringTag)
#define V8_STRREP_EXT(type) \
(((type) & V8_StringRepresentationMask) == V8_ExternalStringTag)
/*
* Several of the following constants and transformations are hardcoded in V8 as
* well, so there's no way to extract them programmatically from the binary.
*/
#define V8_DESC_KEYIDX(x) ((x) + V8_PROP_IDX_FIRST)
#define V8_DESC_VALIDX(x) ((x) << 1)
#define V8_DESC_DETIDX(x) (((x) << 1) + 1)
#define V8_DESC_ISFIELD(x) \
((V8_SMI_VALUE(x) & V8_PROP_TYPE_MASK) == V8_PROP_TYPE_FIELD)
#endif /* _V8DBG_H */

34
node.gyp
View File

@ -12,7 +12,6 @@
'node_shared_libuv%': 'false', 'node_shared_libuv%': 'false',
'node_use_openssl%': 'true', 'node_use_openssl%': 'true',
'node_shared_openssl%': 'false', 'node_shared_openssl%': 'false',
'node_use_mdb%': 'false',
'node_v8_options%': '', 'node_v8_options%': '',
'library_files': [ 'library_files': [
'src/node.js', 'src/node.js',
@ -275,13 +274,6 @@
'src/node_lttng.cc' 'src/node_lttng.cc'
], ],
} ], } ],
[ 'node_use_mdb=="true"', {
'dependencies': [ 'node_mdb' ],
'include_dirs': [ '<(SHARED_INTERMEDIATE_DIR)' ],
'sources': [
'src/node_mdb.cc',
],
} ],
[ 'node_use_etw=="true"', { [ 'node_use_etw=="true"', {
'defines': [ 'HAVE_ETW=1' ], 'defines': [ 'HAVE_ETW=1' ],
'dependencies': [ 'node_etw' ], 'dependencies': [ 'node_etw' ],
@ -509,32 +501,6 @@
} ], } ],
] ]
}, },
{
'target_name': 'node_mdb',
'type': 'none',
'conditions': [
[ 'node_use_mdb=="true"',
{
'dependencies': [ 'deps/mdb_v8/mdb_v8.gyp:mdb_v8' ],
'actions': [
{
'action_name': 'node_mdb',
'inputs': [ '<(PRODUCT_DIR)/obj.target/deps/mdb_v8/mdb_v8.so' ],
'outputs': [ '<(PRODUCT_DIR)/obj.target/node/src/node_mdb.o' ],
'conditions': [
[ 'target_arch=="ia32"', {
'action': [ 'elfwrap', '-o', '<@(_outputs)', '<@(_inputs)' ],
} ],
[ 'target_arch=="x64"', {
'action': [ 'elfwrap', '-64', '-o', '<@(_outputs)', '<@(_inputs)' ],
} ],
],
},
],
},
],
],
},
{ {
'target_name': 'node_dtrace_provider', 'target_name': 'node_dtrace_provider',
'type': 'none', 'type': 'none',

86
test/pummel/test-postmortem-findjsobjects.js
View File

@ -1,86 +0,0 @@
var common = require('../common');
var assert = require('assert');
var os = require('os');
var path = require('path');
var util = require('util');
if (os.type() != 'SunOS') {
console.error('Skipping because postmortem debugging not available.');
process.exit(0);
}
/*
* Now we're going to fork ourselves to gcore
*/
var spawn = require('child_process').spawn;
var prefix = '/var/tmp/node';
var corefile = prefix + '.' + process.pid;
var gcore = spawn('gcore', [ '-o', prefix, process.pid + '' ]);
var output = '';
var unlinkSync = require('fs').unlinkSync;
var args = [ corefile ];
if (process.env.MDB_LIBRARY_PATH && process.env.MDB_LIBRARY_PATH != '')
args = args.concat([ '-L', process.env.MDB_LIBRARY_PATH ]);
function LanguageH(chapter) { this.OBEY = 'CHAPTER ' + parseInt(chapter, 10); }
var obj = new LanguageH(1);
gcore.stderr.on('data', function (data) {
console.log('gcore: ' + data);
});
gcore.on('exit', function (code) {
if (code != 0) {
console.error('gcore exited with code ' + code);
process.exit(code);
}
var mdb = spawn('mdb', args, { stdio: 'pipe' });
mdb.on('exit', function (code) {
var retained = '; core retained as ' + corefile;
if (code != 0) {
console.error('mdb exited with code ' + util.inspect(code) + retained);
process.exit(code);
}
var lines = output.split('\n');
var found = 0, i, expected = 'OBEY: "' + obj.OBEY + '"', nexpected = 2;
for (var i = 0; i < lines.length; i++) {
if (lines[i].indexOf(expected) != -1)
found++;
}
assert.equal(found, nexpected, 'expected ' + nexpected +
' objects, found ' + found + retained);
unlinkSync(corefile);
process.exit(0);
});
mdb.stdout.on('data', function (data) {
output += data;
});
mdb.stderr.on('data', function (data) {
console.log('mdb stderr: ' + data);
});
var mod = util.format('::load %s\n',
path.join(__dirname,
'..',
'..',
'out',
'Release',
'mdb_v8.so'));
mdb.stdin.write(mod);
mdb.stdin.write('::findjsobjects -c LanguageH | ');
mdb.stdin.write('::findjsobjects | ::jsprint\n');
mdb.stdin.write('::findjsobjects -p OBEY | ');
mdb.stdin.write('::findjsobjects | ::jsprint\n');
mdb.stdin.end();
});

166
test/pummel/test-postmortem-jsstack.js
View File

@ -1,166 +0,0 @@
var common = require('../common');
var assert = require('assert');
var os = require('os');
var util = require('util');
if (os.type() != 'SunOS') {
console.error('Skipping because postmortem debugging not available.');
process.exit(0);
}
/*
* Some functions to create a recognizable stack.
*/
var frames = [ 'stalloogle', 'bagnoogle', 'doogle' ];
var expected;
var stalloogle = function (str) {
expected = str;
os.loadavg();
};
var bagnoogle = function (arg0, arg1) {
stalloogle(arg0 + ' is ' + arg1 + ' except that it is read-only');
};
var done = false;
var doogle = function () {
if (!done)
setTimeout(doogle, 10);
bagnoogle('The bfs command', '(almost) like ed(1)');
};
var spawn = require('child_process').spawn;
var prefix = '/var/tmp/node';
var corefile = prefix + '.' + process.pid;
var args = [ corefile ];
if (process.env.MDB_LIBRARY_PATH && process.env.MDB_LIBRARY_PATH != '')
args = args.concat([ '-L', process.env.MDB_LIBRARY_PATH ]);
/*
* We're going to use DTrace to stop us, gcore us, and set us running again
* when we call getloadavg() -- with the implicit assumption that our
* deepest function is the only caller of os.loadavg().
*/
var dtrace = spawn('dtrace', [ '-qwn', 'syscall::getloadavg:entry/pid == ' +
process.pid + '/{stop(); system("gcore -o ' +
prefix + ' %d", pid); system("prun %d", pid); exit(0); }' ]);
var output = '';
var unlinkSync = require('fs').unlinkSync;
dtrace.stderr.on('data', function (data) {
console.log('dtrace: ' + data);
});
dtrace.on('exit', function (code) {
if (code != 0) {
console.error('dtrace exited with code ' + code);
process.exit(code);
}
done = true;
/*
* We have our core file. Now we need to fire up mdb to analyze it...
*/
var mdb = spawn('mdb', args, { stdio: 'pipe' });
var mod = util.format('::load %s\n',
path.join(__dirname,
'..',
'..',
'out',
'Release',
'mdb_v8.so'));
mdb.on('exit', function (code) {
var retained = '; core retained as ' + corefile;
if (code != 0) {
console.error('mdb exited with code ' + code + retained);
process.exit(code);
}
var sentinel = '<anonymous> (as ';
var arg1 = ' arg1: ';
var lines = output.split('\n');
var matched = 0;
var straddr = undefined;
for (var i = 0; i < lines.length; i++) {
var line = lines[i];
if (matched == 1 && line.indexOf(arg1) === 0) {
straddr = line.substr(arg1.length).split(' ')[0];
}
if (line.indexOf(sentinel) == -1 || frames.length === 0)
continue;
var frame = line.substr(line.indexOf(sentinel) + sentinel.length);
var top = frames.shift();
assert.equal(frame.indexOf(top), 0, 'unexpected frame where ' +
top + ' was expected' + retained);
matched++;
}
assert.equal(frames.length, 0, 'did not find expected frame ' +
frames[0] + retained);
assert.notEqual(straddr, undefined,
'did not find arg1 for top frame' + retained);
/*
* Now we're going to take one more swing at the core file to print out
* the argument string that we found.
*/
output = '';
mdb = spawn('mdb', args, { stdio: 'pipe' });
mdb.on('exit', function (code) {
if (code != 0) {
console.error('mdb (second) exited with code ' + code + retained);
process.exit(code);
}
assert.notEqual(output.indexOf(expected), -1, 'did not find arg1 (' +
straddr + ') to contain expected string' + retained);
unlinkSync(corefile);
process.exit(0);
});
mdb.stdout.on('data', function (data) {
output += data;
});
mdb.stderr.on('data', function (data) {
console.log('mdb (second) stderr: ' + data);
});
mdb.stdin.write(mod);
mdb.stdin.write(straddr + '::v8str\n');
mdb.stdin.end();
});
mdb.stdout.on('data', function (data) {
output += data;
});
mdb.stderr.on('data', function (data) {
console.log('mdb stderr: ' + data);
});
mdb.stdin.write(mod);
mdb.stdin.write('::jsstack -v\n');
mdb.stdin.end();
});
setTimeout(doogle, 10);

97
tools/mdb/extract_dmod.c
View File

@ -1,97 +0,0 @@
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
/*
* gcc -Wall -lproc -o extract_dmod extract_dmod.c
*
* use this tool to extract the mdb_v8.so from a core file for use with older
* mdb or platforms with an out of date v8.so
*/
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <strings.h>
#include <errno.h>
#include <libproc.h>
#include <sys/sysmacros.h>
const char *g_sym = "mdb_v8.so_start";
int
main(int argc, const char *argv[])
{
int ifd, ofd, perr, toread, ret;
struct ps_prochandle *p;
GElf_Sym sym;
prsyminfo_t si;
char buf[1024];
if (argc != 3) {
fprintf(stderr, "pdump: <infile> <outfile>\n");
return (1);
}
ifd = open(argv[1], O_RDONLY);
if (ifd < 0) {
fprintf(stderr, "failed to open: %s: %s\n",
argv[1], strerror(errno));
return (1);
}
ofd = open(argv[2], O_RDWR | O_CREAT | O_TRUNC);
if (ofd < 0) {
fprintf(stderr, "failed to open: %s: %s\n",
argv[1], strerror(errno));
return (1);
}
p = Pfgrab_core(ifd, NULL, &perr);
if (p == NULL) {
fprintf(stderr, "failed to grab core file\n");
return (1);
}
if (Pxlookup_by_name(p, NULL, "a.out", g_sym, &sym, &si) != 0) {
fprintf(stderr, "failed to lookup symobl %s\n", g_sym);
return (0);
}
while (sym.st_size > 0) {
toread = MIN(sym.st_size, sizeof (buf));
ret = Pread(p, buf, toread, sym.st_value);
if (ret < 0) {
fprintf(stderr, "failed to Pread...\n");
return (1);
}
if (ret != 0)
ret = write(ofd, buf, ret);
if (ret < 0) {
fprintf(stderr, "failed to write to output file %s\n",
strerror(errno));
}
sym.st_size -= ret;
sym.st_value += ret;
}
return (0);
}
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