The Tor Browser: toolkit/crashreporter/google-breakpad/src/common/module

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

     1 // Copyright (c) 2010 Google Inc.

     2 // All rights reserved.

     3 //

     4 // Redistribution and use in source and binary forms, with or without

     5 // modification, are permitted provided that the following conditions are

     6 // met:

     7 //

     8 //     * Redistributions of source code must retain the above copyright

     9 // notice, this list of conditions and the following disclaimer.

    10 //     * Redistributions in binary form must reproduce the above

    11 // copyright notice, this list of conditions and the following disclaimer

    12 // in the documentation and/or other materials provided with the

    13 // distribution.

    14 //     * Neither the name of Google Inc. nor the names of its

    15 // contributors may be used to endorse or promote products derived from

    16 // this software without specific prior written permission.

    17 //

    18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

    19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

    20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

    21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

    22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

    23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

    24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

    25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

    26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    30 // Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>

    32 // module_unittest.cc: Unit tests for google_breakpad::Module.

    34 #include <errno.h>

    35 #include <stdio.h>

    36 #include <stdlib.h>

    37 #include <string.h>

    39 #include <algorithm>

    40 #include <sstream>

    41 #include <string>

    43 #include "breakpad_googletest_includes.h"

    44 #include "common/module.h"

    45 #include "common/using_std_string.h"

    47 using google_breakpad::Module;

    48 using google_breakpad::ToUniqueString;

    49 using google_breakpad::ustr__ZDcfa;

    50 using std::stringstream;

    51 using std::vector;

    52 using testing::ContainerEq;

    54 static Module::Function *generate_duplicate_function(const string &name) {

    55   const Module::Address DUP_ADDRESS = 0xd35402aac7a7ad5cLL;

    56   const Module::Address DUP_SIZE = 0x200b26e605f99071LL;

    57   const Module::Address DUP_PARAMETER_SIZE = 0xf14ac4fed48c4a99LL;

    59   Module::Function *function = new(Module::Function);

    60   function->name = name;

    61   function->address = DUP_ADDRESS;

    62   function->size = DUP_SIZE;

    63   function->parameter_size = DUP_PARAMETER_SIZE;

    64   return function;

    65 }

    67 #define MODULE_NAME "name with spaces"

    68 #define MODULE_OS "os-name"

    69 #define MODULE_ARCH "architecture"

    70 #define MODULE_ID "id-string"

    72 TEST(Write, Header) {

    73   stringstream s;

    74   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);

    75   m.Write(s, ALL_SYMBOL_DATA);

    76   string contents = s.str();

    77   EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n",

    78                contents.c_str());

    79 }

    81 TEST(Write, OneLineFunc) {

    82   stringstream s;

    83   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);

    85   Module::File *file = m.FindFile("file_name.cc");

    86   Module::Function *function = new(Module::Function);

    87   function->name = "function_name";

    88   function->address = 0xe165bf8023b9d9abLL;

    89   function->size = 0x1e4bb0eb1cbf5b09LL;

    90   function->parameter_size = 0x772beee89114358aLL;

    91   Module::Line line = { 0xe165bf8023b9d9abLL, 0x1e4bb0eb1cbf5b09LL,

    92                         file, 67519080 };

    93   function->lines.push_back(line);

    94   m.AddFunction(function);

    96   m.Write(s, ALL_SYMBOL_DATA);

    97   string contents = s.str();

    98   EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n"

    99                "FILE 0 file_name.cc\n"

   100                "FUNC e165bf8023b9d9ab 1e4bb0eb1cbf5b09 772beee89114358a"

   101                " function_name\n"

   102                "e165bf8023b9d9ab 1e4bb0eb1cbf5b09 67519080 0\n",

   103                contents.c_str());

   104 }

   106 TEST(Write, RelativeLoadAddress) {

   107   stringstream s;

   108   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);

   110   // Some source files.  We will expect to see them in lexicographic order.

   111   Module::File *file1 = m.FindFile("filename-b.cc");

   112   Module::File *file2 = m.FindFile("filename-a.cc");

   114   // A function.

   115   Module::Function *function = new(Module::Function);

   116   function->name = "A_FLIBBERTIJIBBET::a_will_o_the_wisp(a clown)";

   117   function->address = 0xbec774ea5dd935f3LL;

   118   function->size = 0x2922088f98d3f6fcLL;

   119   function->parameter_size = 0xe5e9aa008bd5f0d0LL;

   121   // Some source lines.  The module should not sort these.

   122   Module::Line line1 = { 0xbec774ea5dd935f3LL, 0x1c2be6d6c5af2611LL,

   123                          file1, 41676901 };

   124   Module::Line line2 = { 0xdaf35bc123885c04LL, 0xcf621b8d324d0ebLL,

   125                          file2, 67519080 };

   126   function->lines.push_back(line2);

   127   function->lines.push_back(line1);

   129   m.AddFunction(function);

   131   // Some stack information.

   132   Module::StackFrameEntry *entry = new Module::StackFrameEntry();

   133   entry->address = 0x30f9e5c83323973dULL;

   134   entry->size = 0x49fc9ca7c7c13dc2ULL;

   135   entry->initial_rules[ustr__ZDcfa()] = Module::Expr("he was a handsome man");

   136   entry->initial_rules[ToUniqueString("and")] =

   137       Module::Expr("what i want to know is");

   138   entry->initial_rules[ToUniqueString("stallion")] =

   139       Module::Expr(ToUniqueString("and break"), 8, false);

   140   entry->initial_rules[ToUniqueString("onetwothreefourfive")] =

   141       Module::Expr(ToUniqueString("pigeonsjustlikethat"), 42, true);

   142   entry->rule_changes[0x30f9e5c83323973eULL][ToUniqueString("how")] =

   143       Module::Expr("do you like your blueeyed boy");

   144   entry->rule_changes[0x30f9e5c83323973eULL][ToUniqueString("Mister")] =

   145       Module::Expr("Death");

   146   m.AddStackFrameEntry(entry);

   148   // Set the load address.  Doing this after adding all the data to

   149   // the module must work fine.

   150   m.SetLoadAddress(0x2ab698b0b6407073LL);

   152   m.Write(s, ALL_SYMBOL_DATA);

   153   string contents = s.str();

   154   EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n"

   155                "FILE 0 filename-a.cc\n"

   156                "FILE 1 filename-b.cc\n"

   157                "FUNC 9410dc39a798c580 2922088f98d3f6fc e5e9aa008bd5f0d0"

   158                " A_FLIBBERTIJIBBET::a_will_o_the_wisp(a clown)\n"

   159                "b03cc3106d47eb91 cf621b8d324d0eb 67519080 0\n"

   160                "9410dc39a798c580 1c2be6d6c5af2611 41676901 1\n"

   161                "STACK CFI INIT 6434d177ce326ca 49fc9ca7c7c13dc2"

   162                " .cfa: he was a handsome man"

   163                " and: what i want to know is"

   164                " onetwothreefourfive: pigeonsjustlikethat 42 + ^"

   165                " stallion: and break 8 +\n"

   166                "STACK CFI 6434d177ce326cb"

   167                " Mister: Death"

   168                " how: do you like your blueeyed boy\n",

   169                contents.c_str());

   170 }

   172 TEST(Write, OmitUnusedFiles) {

   173   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);

   175   // Create some source files.

   176   Module::File *file1 = m.FindFile("filename1");

   177   m.FindFile("filename2");  // not used by any line

   178   Module::File *file3 = m.FindFile("filename3");

   180   // Create a function.

   181   Module::Function *function = new(Module::Function);

   182   function->name = "function_name";

   183   function->address = 0x9b926d464f0b9384LL;

   184   function->size = 0x4f524a4ba795e6a6LL;

   185   function->parameter_size = 0xbbe8133a6641c9b7LL;

   187   // Source files that refer to some files, but not others.

   188   Module::Line line1 = { 0x595fa44ebacc1086LL, 0x1e1e0191b066c5b3LL,

   189                          file1, 137850127 };

   190   Module::Line line2 = { 0x401ce8c8a12d25e3LL, 0x895751c41b8d2ce2LL,

   191                          file3, 28113549 };

   192   function->lines.push_back(line1);

   193   function->lines.push_back(line2);

   194   m.AddFunction(function);

   196   m.AssignSourceIds();

   198   vector<Module::File *> vec;

   199   m.GetFiles(&vec);

   200   EXPECT_EQ((size_t) 3, vec.size());

   201   EXPECT_STREQ("filename1", vec[0]->name.c_str());

   202   EXPECT_NE(-1, vec[0]->source_id);

   203   // Expect filename2 not to be used.

   204   EXPECT_STREQ("filename2", vec[1]->name.c_str());

   205   EXPECT_EQ(-1, vec[1]->source_id);

   206   EXPECT_STREQ("filename3", vec[2]->name.c_str());

   207   EXPECT_NE(-1, vec[2]->source_id);

   209   stringstream s;

   210   m.Write(s, ALL_SYMBOL_DATA);

   211   string contents = s.str();

   212   EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n"

   213                "FILE 0 filename1\n"

   214                "FILE 1 filename3\n"

   215                "FUNC 9b926d464f0b9384 4f524a4ba795e6a6 bbe8133a6641c9b7"

   216                " function_name\n"

   217                "595fa44ebacc1086 1e1e0191b066c5b3 137850127 0\n"

   218                "401ce8c8a12d25e3 895751c41b8d2ce2 28113549 1\n",

   219                contents.c_str());

   220 }

   222 TEST(Write, NoCFI) {

   223   stringstream s;

   224   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);

   226   // Some source files.  We will expect to see them in lexicographic order.

   227   Module::File *file1 = m.FindFile("filename.cc");

   229   // A function.

   230   Module::Function *function = new(Module::Function);

   231   function->name = "A_FLIBBERTIJIBBET::a_will_o_the_wisp(a clown)";

   232   function->address = 0xbec774ea5dd935f3LL;

   233   function->size = 0x2922088f98d3f6fcLL;

   234   function->parameter_size = 0xe5e9aa008bd5f0d0LL;

   236   // Some source lines.  The module should not sort these.

   237   Module::Line line1 = { 0xbec774ea5dd935f3LL, 0x1c2be6d6c5af2611LL,

   238                          file1, 41676901 };

   239   function->lines.push_back(line1);

   241   m.AddFunction(function);

   243   // Some stack information.

   244   Module::StackFrameEntry *entry = new Module::StackFrameEntry();

   245   entry->address = 0x30f9e5c83323973dULL;

   246   entry->size = 0x49fc9ca7c7c13dc2ULL;

   247   entry->initial_rules[ustr__ZDcfa()] = Module::Expr("he was a handsome man");

   248   entry->initial_rules[ToUniqueString("and")] =

   249       Module::Expr("what i want to know is");

   250   entry->rule_changes[0x30f9e5c83323973eULL][ToUniqueString("how")] =

   251       Module::Expr("do you like your blueeyed boy");

   252   entry->rule_changes[0x30f9e5c83323973eULL][ToUniqueString("Mister")] =

   253       Module::Expr("Death");

   254   m.AddStackFrameEntry(entry);

   256   // Set the load address.  Doing this after adding all the data to

   257   // the module must work fine.

   258   m.SetLoadAddress(0x2ab698b0b6407073LL);

   260   m.Write(s, NO_CFI);

   261   string contents = s.str();

   262   EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n"

   263                "FILE 0 filename.cc\n"

   264                "FUNC 9410dc39a798c580 2922088f98d3f6fc e5e9aa008bd5f0d0"

   265                " A_FLIBBERTIJIBBET::a_will_o_the_wisp(a clown)\n"

   266                "9410dc39a798c580 1c2be6d6c5af2611 41676901 0\n",

   267                contents.c_str());

   268 }

   270 TEST(Construct, AddFunctions) {

   271   stringstream s;

   272   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);

   274   // Two functions.

   275   Module::Function *function1 = new(Module::Function);

   276   function1->name = "_without_form";

   277   function1->address = 0xd35024aa7ca7da5cLL;

   278   function1->size = 0x200b26e605f99071LL;

   279   function1->parameter_size = 0xf14ac4fed48c4a99LL;

   281   Module::Function *function2 = new(Module::Function);

   282   function2->name = "_and_void";

   283   function2->address = 0x2987743d0b35b13fLL;

   284   function2->size = 0xb369db048deb3010LL;

   285   function2->parameter_size = 0x938e556cb5a79988LL;

   287   // Put them in a vector.

   288   vector<Module::Function *> vec;

   289   vec.push_back(function1);

   290   vec.push_back(function2);

   292   m.AddFunctions(vec.begin(), vec.end());

   294   m.Write(s, ALL_SYMBOL_DATA);

   295   string contents = s.str();

   296   EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n"

   297                "FUNC 2987743d0b35b13f b369db048deb3010 938e556cb5a79988"

   298                " _and_void\n"

   299                "FUNC d35024aa7ca7da5c 200b26e605f99071 f14ac4fed48c4a99"

   300                " _without_form\n",

   301                contents.c_str());

   303   // Check that m.GetFunctions returns the functions we expect.

   304   vec.clear();

   305   m.GetFunctions(&vec, vec.end());

   306   EXPECT_TRUE(vec.end() != find(vec.begin(), vec.end(), function1));

   307   EXPECT_TRUE(vec.end() != find(vec.begin(), vec.end(), function2));

   308   EXPECT_EQ((size_t) 2, vec.size());

   309 }

   311 TEST(Construct, AddFrames) {

   312   stringstream s;

   313   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);

   315   // First STACK CFI entry, with no initial rules or deltas.

   316   Module::StackFrameEntry *entry1 = new Module::StackFrameEntry();

   317   entry1->address = 0xddb5f41285aa7757ULL;

   318   entry1->size = 0x1486493370dc5073ULL;

   319   m.AddStackFrameEntry(entry1);

   321   // Second STACK CFI entry, with initial rules but no deltas.

   322   Module::StackFrameEntry *entry2 = new Module::StackFrameEntry();

   323   entry2->address = 0x8064f3af5e067e38ULL;

   324   entry2->size = 0x0de2a5ee55509407ULL;

   325   entry2->initial_rules[ustr__ZDcfa()] =

   326       Module::Expr("I think that I shall never see");

   327   entry2->initial_rules[ToUniqueString("stromboli")] =

   328       Module::Expr("a poem lovely as a tree");

   329   entry2->initial_rules[ToUniqueString("cannoli")] =

   330       Module::Expr("a tree whose hungry mouth is prest");

   331   m.AddStackFrameEntry(entry2);

   333   // Third STACK CFI entry, with initial rules and deltas.

   334   Module::StackFrameEntry *entry3 = new Module::StackFrameEntry();

   335   entry3->address = 0x5e8d0db0a7075c6cULL;

   336   entry3->size = 0x1c7edb12a7aea229ULL;

   337   entry3->initial_rules[ustr__ZDcfa()] = Module::Expr("Whose woods are these");

   338   entry3->rule_changes[0x47ceb0f63c269d7fULL][ToUniqueString("calzone")] =

   339     Module::Expr("the village though");

   340   entry3->rule_changes[0x47ceb0f63c269d7fULL][ToUniqueString("cannoli")] =

   341     Module::Expr("he will not see me stopping here");

   342   entry3->rule_changes[0x36682fad3763ffffULL][ToUniqueString("stromboli")] =

   343     Module::Expr("his house is in");

   344   entry3->rule_changes[0x36682fad3763ffffULL][ustr__ZDcfa()] =

   345     Module::Expr("I think I know");

   346   m.AddStackFrameEntry(entry3);

   348   // Check that Write writes STACK CFI records properly.

   349   m.Write(s, ALL_SYMBOL_DATA);

   350   string contents = s.str();

   351   EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n"

   352                "STACK CFI INIT 5e8d0db0a7075c6c 1c7edb12a7aea229"

   353                " .cfa: Whose woods are these\n"

   354                "STACK CFI 36682fad3763ffff"

   355                " .cfa: I think I know"

   356                " stromboli: his house is in\n"

   357                "STACK CFI 47ceb0f63c269d7f"

   358                " calzone: the village though"

   359                " cannoli: he will not see me stopping here\n"

   360                "STACK CFI INIT 8064f3af5e067e38 de2a5ee55509407"

   361                " .cfa: I think that I shall never see"

   362                " cannoli: a tree whose hungry mouth is prest"

   363                " stromboli: a poem lovely as a tree\n"

   364                "STACK CFI INIT ddb5f41285aa7757 1486493370dc5073 \n",

   365                contents.c_str());

   367   // Check that GetStackFrameEntries works.

   368   vector<Module::StackFrameEntry *> entries;

   369   m.GetStackFrameEntries(&entries);

   370   ASSERT_EQ(3U, entries.size());

   371   // Check first entry.

   372   EXPECT_EQ(0x5e8d0db0a7075c6cULL, entries[0]->address);

   373   EXPECT_EQ(0x1c7edb12a7aea229ULL, entries[0]->size);

   374   Module::RuleMap entry1_initial;

   375   entry1_initial[ustr__ZDcfa()] = Module::Expr("Whose woods are these");

   376   EXPECT_THAT(entries[0]->initial_rules, ContainerEq(entry1_initial));

   377   Module::RuleChangeMap entry1_changes;

   378   entry1_changes[0x36682fad3763ffffULL][ustr__ZDcfa()] =

   379       Module::Expr("I think I know");

   380   entry1_changes[0x36682fad3763ffffULL][ToUniqueString("stromboli")] =

   381       Module::Expr("his house is in");

   382   entry1_changes[0x47ceb0f63c269d7fULL][ToUniqueString("calzone")] =

   383       Module::Expr("the village though");

   384   entry1_changes[0x47ceb0f63c269d7fULL][ToUniqueString("cannoli")] =

   385       Module::Expr("he will not see me stopping here");

   386   EXPECT_THAT(entries[0]->rule_changes, ContainerEq(entry1_changes));

   387   // Check second entry.

   388   EXPECT_EQ(0x8064f3af5e067e38ULL, entries[1]->address);

   389   EXPECT_EQ(0x0de2a5ee55509407ULL, entries[1]->size);

   390   ASSERT_EQ(3U, entries[1]->initial_rules.size());

   391   Module::RuleMap entry2_initial;

   392   entry2_initial[ustr__ZDcfa()] =

   393       Module::Expr("I think that I shall never see");

   394   entry2_initial[ToUniqueString("stromboli")] =

   395       Module::Expr("a poem lovely as a tree");

   396   entry2_initial[ToUniqueString("cannoli")] =

   397       Module::Expr("a tree whose hungry mouth is prest");

   398   EXPECT_THAT(entries[1]->initial_rules, ContainerEq(entry2_initial));

   399   ASSERT_EQ(0U, entries[1]->rule_changes.size());

   400   // Check third entry.

   401   EXPECT_EQ(0xddb5f41285aa7757ULL, entries[2]->address);

   402   EXPECT_EQ(0x1486493370dc5073ULL, entries[2]->size);

   403   ASSERT_EQ(0U, entries[2]->initial_rules.size());

   404   ASSERT_EQ(0U, entries[2]->rule_changes.size());

   405 }

   407 TEST(Construct, UniqueFiles) {

   408   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);

   409   Module::File *file1 = m.FindFile("foo");

   410   Module::File *file2 = m.FindFile(string("bar"));

   411   Module::File *file3 = m.FindFile(string("foo"));

   412   Module::File *file4 = m.FindFile("bar");

   413   EXPECT_NE(file1, file2);

   414   EXPECT_EQ(file1, file3);

   415   EXPECT_EQ(file2, file4);

   416   EXPECT_EQ(file1, m.FindExistingFile("foo"));

   417   EXPECT_TRUE(m.FindExistingFile("baz") == NULL);

   418 }

   420 TEST(Construct, DuplicateFunctions) {

   421   stringstream s;

   422   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);

   424   // Two functions.

   425   Module::Function *function1 = generate_duplicate_function("_without_form");

   426   Module::Function *function2 = generate_duplicate_function("_without_form");

   428   m.AddFunction(function1);

   429   m.AddFunction(function2);

   431   m.Write(s, ALL_SYMBOL_DATA);

   432   string contents = s.str();

   433   EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n"

   434                "FUNC d35402aac7a7ad5c 200b26e605f99071 f14ac4fed48c4a99"

   435                " _without_form\n",

   436                contents.c_str());

   437 }

   439 TEST(Construct, FunctionsWithSameAddress) {

   440   stringstream s;

   441   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);

   443   // Two functions.

   444   Module::Function *function1 = generate_duplicate_function("_without_form");

   445   Module::Function *function2 = generate_duplicate_function("_and_void");

   447   m.AddFunction(function1);

   448   m.AddFunction(function2);

   450   m.Write(s, ALL_SYMBOL_DATA);

   451   string contents = s.str();

   452   EXPECT_STREQ("MODULE os-name architecture id-string name with spaces\n"

   453                "FUNC d35402aac7a7ad5c 200b26e605f99071 f14ac4fed48c4a99"

   454                " _and_void\n"

   455                "FUNC d35402aac7a7ad5c 200b26e605f99071 f14ac4fed48c4a99"

   456                " _without_form\n",

   457                contents.c_str());

   458 }

   460 // Externs should be written out as PUBLIC records, sorted by

   461 // address.

   462 TEST(Construct, Externs) {

   463   stringstream s;

   464   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);

   466   // Two externs.

   467   Module::Extern *extern1 = new(Module::Extern);

   468   extern1->address = 0xffff;

   469   extern1->name = "_abc";

   470   Module::Extern *extern2 = new(Module::Extern);

   471   extern2->address = 0xaaaa;

   472   extern2->name = "_xyz";

   474   m.AddExtern(extern1);

   475   m.AddExtern(extern2);

   477   m.Write(s, ALL_SYMBOL_DATA);

   478   string contents = s.str();

   480   EXPECT_STREQ("MODULE " MODULE_OS " " MODULE_ARCH " "

   481                MODULE_ID " " MODULE_NAME "\n"

   482                "PUBLIC aaaa 0 _xyz\n"

   483                "PUBLIC ffff 0 _abc\n",

   484                contents.c_str());

   485 }

   487 // Externs with the same address should only keep the first entry

   488 // added.

   489 TEST(Construct, DuplicateExterns) {

   490   stringstream s;

   491   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);

   493   // Two externs.

   494   Module::Extern *extern1 = new(Module::Extern);

   495   extern1->address = 0xffff;

   496   extern1->name = "_xyz";

   497   Module::Extern *extern2 = new(Module::Extern);

   498   extern2->address = 0xffff;

   499   extern2->name = "_abc";

   501   m.AddExtern(extern1);

   502   m.AddExtern(extern2);

   504   m.Write(s, ALL_SYMBOL_DATA);

   505   string contents = s.str();

   507   EXPECT_STREQ("MODULE " MODULE_OS " " MODULE_ARCH " "

   508                MODULE_ID " " MODULE_NAME "\n"

   509                "PUBLIC ffff 0 _xyz\n",

   510                contents.c_str());

   511 }

   513 TEST(Lookup, Function) {

   514   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);

   516   Module::Function *function1 = new(Module::Function);

   517   function1->name = "_abc1";

   518   function1->address = 0x1000;

   519   function1->size = 0x900;

   520   function1->parameter_size = 0x0;

   522   Module::Function *function2 = new(Module::Function);

   523   function2->name = "_xyz2";

   524   function2->address = 0x2000;

   525   function2->size = 0x900;

   526   function2->parameter_size = 0x0;

   528   Module::Function *function3 = new(Module::Function);

   529   function3->name = "_def3";

   530   function3->address = 0x3000;

   531   function3->size = 0x900;

   532   function3->parameter_size = 0x0;

   534   // Put them in a vector.

   535   vector<Module::Function *> vec;

   536   vec.push_back(function1);

   537   vec.push_back(function2);

   538   vec.push_back(function3);

   540   m.AddFunctions(vec.begin(), vec.end());

   542   // Try looking up functions by address.

   543   Module::Function* f = m.FindFunctionByAddress(0x1000);

   544   EXPECT_EQ(function1, f);

   545   f = m.FindFunctionByAddress(0x18FF);

   546   EXPECT_EQ(function1, f);

   548   f = m.FindFunctionByAddress(0x1900);

   549   EXPECT_EQ((Module::Function*)NULL, f);

   550   f = m.FindFunctionByAddress(0x1A00);

   551   EXPECT_EQ((Module::Function*)NULL, f);

   553   f = m.FindFunctionByAddress(0x2000);

   554   EXPECT_EQ(function2, f);

   555   f = m.FindFunctionByAddress(0x28FF);

   556   EXPECT_EQ(function2, f);

   558   f = m.FindFunctionByAddress(0x3000);

   559   EXPECT_EQ(function3, f);

   560   f = m.FindFunctionByAddress(0x38FF);

   561   EXPECT_EQ(function3, f);

   563   f = m.FindFunctionByAddress(0x3900);

   564   EXPECT_EQ((Module::Function*)NULL, f);

   565   f = m.FindFunctionByAddress(0x3A00);

   566   EXPECT_EQ((Module::Function*)NULL, f);

   567 }

   569 TEST(Lookup, Externs) {

   570   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);

   572   // Two externs.

   573   Module::Extern* extern1 = new(Module::Extern);

   574   extern1->address = 0x1000;

   575   extern1->name = "_abc";

   576   Module::Extern* extern2 = new(Module::Extern);

   577   extern2->address = 0x2000;

   578   extern2->name = "_xyz";

   580   m.AddExtern(extern1);

   581   m.AddExtern(extern2);

   583   Module::Extern* e = m.FindExternByAddress(0xFFF);

   584   EXPECT_EQ((Module::Extern*)NULL, e);

   586   e = m.FindExternByAddress(0x1000);

   587   EXPECT_EQ(extern1, e);

   588   e = m.FindExternByAddress(0x1900);

   589   EXPECT_EQ(extern1, e);

   590   e = m.FindExternByAddress(0x1FFF);

   591   EXPECT_EQ(extern1, e);

   593   e = m.FindExternByAddress(0x2000);

   594   EXPECT_EQ(extern2, e);

   595   e = m.FindExternByAddress(0x2900);

   596   EXPECT_EQ(extern2, e);

   597   e = m.FindExternByAddress(0xFFFFFFFF);

   598   EXPECT_EQ(extern2, e);

   599 }

   601 TEST(Lookup, StackFrameEntries) {

   602   Module m(MODULE_NAME, MODULE_OS, MODULE_ARCH, MODULE_ID);

   604   // First STACK CFI entry, with no initial rules or deltas.

   605   Module::StackFrameEntry *entry1 = new Module::StackFrameEntry();

   606   entry1->address = 0x2000;

   607   entry1->size = 0x900;

   608   m.AddStackFrameEntry(entry1);

   610   // Second STACK CFI entry, with initial rules but no deltas.

   611   Module::StackFrameEntry *entry2 = new Module::StackFrameEntry();

   612   entry2->address = 0x3000;

   613   entry2->size = 0x900;

   614   entry2->initial_rules[ustr__ZDcfa()] =

   615       Module::Expr("I think that I shall never see");

   616   entry2->initial_rules[ToUniqueString("stromboli")] =

   617       Module::Expr("a poem lovely as a tree");

   618   entry2->initial_rules[ToUniqueString("cannoli")] =

   619       Module::Expr("a tree whose hungry mouth is prest");

   620   m.AddStackFrameEntry(entry2);

   622   // Third STACK CFI entry, with initial rules and deltas.

   623   Module::StackFrameEntry *entry3 = new Module::StackFrameEntry();

   624   entry3->address = 0x1000;

   625   entry3->size = 0x900;

   626   entry3->initial_rules[ustr__ZDcfa()] = Module::Expr("Whose woods are these");

   627   entry3->rule_changes[0x47ceb0f63c269d7fULL][ToUniqueString("calzone")] =

   628     Module::Expr("the village though");

   629   entry3->rule_changes[0x47ceb0f63c269d7fULL][ToUniqueString("cannoli")] =

   630     Module::Expr("he will not see me stopping here");

   631   entry3->rule_changes[0x36682fad3763ffffULL][ToUniqueString("stromboli")] =

   632     Module::Expr("his house is in");

   633   entry3->rule_changes[0x36682fad3763ffffULL][ustr__ZDcfa()] =

   634     Module::Expr("I think I know");

   635   m.AddStackFrameEntry(entry3);

   637   Module::StackFrameEntry* s = m.FindStackFrameEntryByAddress(0x1000);

   638   EXPECT_EQ(entry3, s);

   639   s = m.FindStackFrameEntryByAddress(0x18FF);

   640   EXPECT_EQ(entry3, s);

   642   s = m.FindStackFrameEntryByAddress(0x1900);

   643   EXPECT_EQ((Module::StackFrameEntry*)NULL, s);

   644   s = m.FindStackFrameEntryByAddress(0x1A00);

   645   EXPECT_EQ((Module::StackFrameEntry*)NULL, s);

   647   s = m.FindStackFrameEntryByAddress(0x2000);

   648   EXPECT_EQ(entry1, s);

   649   s = m.FindStackFrameEntryByAddress(0x28FF);

   650   EXPECT_EQ(entry1, s);

   652   s = m.FindStackFrameEntryByAddress(0x3000);

   653   EXPECT_EQ(entry2, s);

   654   s = m.FindStackFrameEntryByAddress(0x38FF);

   655   EXPECT_EQ(entry2, s);

   657   s = m.FindStackFrameEntryByAddress(0x3900);

   658   EXPECT_EQ((Module::StackFrameEntry*)NULL, s);

   659   s = m.FindStackFrameEntryByAddress(0x3A00);

   660   EXPECT_EQ((Module::StackFrameEntry*)NULL, s);

   661 }

The Tor Browser / file revision

toolkit/crashreporter/google-breakpad/src/common/module_unittest.cc@129ffea94266

toolkit/crashreporter/google-breakpad/src/common/module_unittest.cc