As part of resolving issue 256 I'd like to check in some unit

tests(ok, just one) for the private copy of nlist that I checked in
last week, plus lay some of the ground work for collecting code
coverage numbers.  Both of these are accomplished by leveraging the
built-in facilities of Xcode & Developer Tools(namely, CPlusTest and
gcov integration; however, eventually I will also add a way to get
lcov results from the gcov results).  I also:

 - renamed breakpad_nlist_64.c to breakpad_nlist_64.cc to be more
consistent(even though it's not C++ code it still only gets called by
C++ code so I don't have to deal with extern "C" constructs).
 - I created a new target (minidump_tests) that has a "Coverage"
configuration with the appropriate GCC flags turned on.  It is only
compiled in 64-bit configurations and has 10.5 as a minimum
deployment target as well as uses the 10.5 SDK.


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@260 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
nealsid 2008-04-15 23:09:30 +00:00
parent b0d807666f
commit 5da03791a7
6 changed files with 426 additions and 5 deletions

View File

@ -68,7 +68,18 @@
#ifdef __LP64__
#include <mach-o/nlist.h>
#include <mach-o/loader.h>
#include <mach-o/fat.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <unistd.h>
#include "breakpad_nlist_64.h"
#include <TargetConditionals.h>
#include <stdio.h>
#include <mach/mach.h>
/* Stuff lifted from <a.out.h> and <sys/exec.h> since they are gone */
/*
@ -97,6 +108,9 @@ struct exec {
#define N_SYMOFF(x) \
(N_TXTOFF(x) + (x).a_text+(x).a_data + (x).a_trsize+(x).a_drsize)
int
__breakpad_fdnlist_64(int fd, breakpad_nlist *list, const char **symbolNames);
/*
* nlist - retreive attributes from name list (string table version)
*/
@ -104,8 +118,7 @@ struct exec {
int
breakpad_nlist_64(const char *name,
breakpad_nlist *list,
const char **symbolNames)
{
const char **symbolNames) {
int fd, n;
fd = open(name, O_RDONLY, 0);
@ -119,8 +132,7 @@ breakpad_nlist_64(const char *name,
/* Note: __fdnlist() is called from kvm_nlist in libkvm's kvm.c */
int
__breakpad_fdnlist_64(int fd, breakpad_nlist *list, const char **symbolNames)
{
__breakpad_fdnlist_64(int fd, breakpad_nlist *list, const char **symbolNames) {
register breakpad_nlist *p, *q;
breakpad_nlist space[BUFSIZ/sizeof (breakpad_nlist)];
@ -223,7 +235,7 @@ __breakpad_fdnlist_64(int fd, breakpad_nlist *list, const char **symbolNames)
#elif TARGET_CPU_PPC64
if (fat_archs[i].cputype == CPU_TYPE_POWERPC64) {
#else
#error undefined cpu!
#error undefined cpu!
{
#endif
fap = &fat_archs[i];

View File

@ -0,0 +1,81 @@
/*
* BreakpadNlistTest.cpp
* minidump_test
*
* Created by Neal Sidhwaney on 4/13/08.
* Copyright 2008 Google Inc. All rights reserved.
*
*/
#include "breakpad_nlist_test.h"
#include <mach-o/nlist.h>
#include "breakpad_nlist_64.h"
BreakpadNlistTest test1(TEST_INVOCATION(BreakpadNlistTest, CompareToNM));
BreakpadNlistTest::BreakpadNlistTest(TestInvocation *invocation)
: TestCase(invocation) {
}
BreakpadNlistTest::~BreakpadNlistTest() {
}
void BreakpadNlistTest::CompareToNM() {
#if TARGET_CPU_X86_64
system("/usr/bin/nm -arch x86_64 /usr/lib/dyld > /tmp/dyld-namelist.txt");
#elif TARGET_CPU_PPC64
system("/usr/bin/nm -arch ppc64 /usr/lib/dyld > /tmp/dyld-namelist.txt");
#endif
FILE *fd = fopen("/tmp/dyld-namelist.txt","rt");
char oneNMAddr[30];
char symbolType;
char symbolName[500];
while(!feof(fd)) {
fscanf(fd,"%s %c %s",oneNMAddr, &symbolType, symbolName);
breakpad_nlist symbolList[2];
breakpad_nlist &list = symbolList[0];
memset(symbolList,0, sizeof(breakpad_nlist)*2);
const char *symbolNames[2];
symbolNames[0] = (const char*)symbolName;
symbolNames[1] = "\0";
breakpad_nlist_64("/usr/lib/dyld",&list, symbolNames);
uint64_t nmAddr = strtol(oneNMAddr,NULL,16);
if(!IsSymbolMoreThanOnceInDyld(symbolName)) {
CPTAssert(nmAddr == symbolList[0].n_value);
}
}
fclose(fd);
}
bool BreakpadNlistTest::IsSymbolMoreThanOnceInDyld(const char *symbolName) {
//These are the symbols that occur more than once when nm dumps
// the symbol table of /usr/lib/dyld. Our nlist program returns
// the first address because it's doing a search so we need to exclude
// these from causing the test to fail
const char *multipleSymbols[] = {
"__Z41__static_initialization_and_destruction_0ii",
"___tcf_0",
"___tcf_1",
"_read_encoded_value_with_base",
"_read_sleb128",
"_read_uleb128",
"\0"};
bool found = false;
for(int i = 0; multipleSymbols[i][0]; i++) {
if(!strcmp(multipleSymbols[i],symbolName)) {
found = true;
break;
}
}
return found;
}

View File

@ -0,0 +1,43 @@
/*
* BreakpadNlistTest.h
* minidump_test
*
* Created by Neal Sidhwaney on 4/13/08.
* Copyright 2008 Google Inc. All rights reserved.
*
*/
#include <CPlusTest/CPlusTest.h>
/*
__Z41__static_initialization_and_destruction_0ii
__Z41__static_initialization_and_destruction_0ii
__Z41__static_initialization_and_destruction_0ii
___tcf_0
___tcf_0
___tcf_0
___tcf_1
_read_encoded_value_with_base
_read_sleb128
_read_uleb128
*/
class BreakpadNlistTest : public TestCase {
private:
// nm dumps multiple addresses for the same symbol in
// /usr/lib/dyld. So we track those so we don't report failures
// in mismatches between what our nlist returns and what nm has
// for the duplicate symbols.
bool IsSymbolMoreThanOnceInDyld(const char *symbolName);
public:
BreakpadNlistTest(TestInvocation* invocation);
virtual ~BreakpadNlistTest();
/* This test case runs nm on /usr/lib/dyld and then compares the
output of every symbol to what our nlist implementation returns */
void CompareToNM();
};

View File

@ -49,6 +49,8 @@
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D2F6511F0BEF973900920385 /* macho_utilities.cc in Sources */ = {isa = PBXBuildFile; fileRef = D2F650FE0BEF947200920385 /* macho_utilities.cc */; };
D2F651210BEF975400920385 /* macho_walker.cc in Sources */ = {isa = PBXBuildFile; fileRef = D2F6510C0BEF94EB00920385 /* macho_walker.cc */; };
F982089C0DB3280D0017AECA /* breakpad_nlist_test.cc in Sources */ = {isa = PBXBuildFile; fileRef = F982089B0DB3280D0017AECA /* breakpad_nlist_test.cc */; };
F98208A30DB32CAE0017AECA /* breakpad_nlist_64.cc in Sources */ = {isa = PBXBuildFile; fileRef = F98208A10DB32CAE0017AECA /* breakpad_nlist_64.cc */; };
/* End PBXBuildFile section */
/* Begin PBXCopyFilesBuildPhase section */
@ -106,6 +108,12 @@
D2F651080BEF949A00920385 /* dynamic_images.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = dynamic_images.h; sourceTree = "<group>"; };
D2F6510C0BEF94EB00920385 /* macho_walker.cc */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; name = macho_walker.cc; path = ../../../common/mac/macho_walker.cc; sourceTree = SOURCE_ROOT; };
D2F6510D0BEF94EB00920385 /* macho_walker.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; name = macho_walker.h; path = ../../../common/mac/macho_walker.h; sourceTree = SOURCE_ROOT; };
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/* End PBXFileReference section */
/* Begin PBXFrameworksBuildPhase section */
@ -132,12 +140,21 @@
);
runOnlyForDeploymentPostprocessing = 0;
};
F9AE19C00DB04A9500C98454 /* Frameworks */ = {
isa = PBXFrameworksBuildPhase;
buildActionMask = 2147483647;
files = (
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runOnlyForDeploymentPostprocessing = 0;
};
/* End PBXFrameworksBuildPhase section */
/* Begin PBXGroup section */
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isa = PBXGroup;
children = (
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F98208A20DB32CAE0017AECA /* breakpad_nlist_64.h */,
D2F6510C0BEF94EB00920385 /* macho_walker.cc */,
D2F6510D0BEF94EB00920385 /* macho_walker.h */,
D2F651070BEF949A00920385 /* dynamic_images.cc */,
@ -152,6 +169,9 @@
08FB7795FE84155DC02AAC07 /* Source */,
9B37CEEA0AF98EB600FA4BD4 /* Frameworks */,
1AB674ADFE9D54B511CA2CBB /* Products */,
F9AE19B50DB040E300C98454 /* minidump_tests-Info.plist */,
F982089A0DB3280D0017AECA /* breakpad_nlist_test.h */,
F982089B0DB3280D0017AECA /* breakpad_nlist_test.cc */,
);
name = MinidumpWriter;
sourceTree = "<group>";
@ -172,6 +192,7 @@
8DD76F6C0486A84900D96B5E /* generator_test */,
9BD82A9B0B00267E0055103E /* handler_test */,
9B7CA84E0B1297F200CD3A1D /* unit_test */,
F9AE19C30DB04A9500C98454 /* minidump_tests.cptest */,
);
name = Products;
sourceTree = "<group>";
@ -257,23 +278,70 @@
productReference = 9BD82A9B0B00267E0055103E /* handler_test */;
productType = "com.apple.product-type.tool";
};
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isa = PBXNativeTarget;
buildConfigurationList = F9AE19C70DB04AA200C98454 /* Build configuration list for PBXNativeTarget "minidump_tests" */;
buildPhases = (
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F9AE19BF0DB04A9500C98454 /* Sources */,
F9AE19C00DB04A9500C98454 /* Frameworks */,
F9AE19C10DB04A9500C98454 /* ShellScript */,
);
buildRules = (
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dependencies = (
);
name = minidump_tests;
productName = minidump_tests;
productReference = F9AE19C30DB04A9500C98454 /* minidump_tests.cptest */;
productType = "com.apple.product-type.bundle";
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isa = PBXProject;
buildConfigurationList = 1DEB923508733DC60010E9CD /* Build configuration list for PBXProject "minidump_test" */;
compatibilityVersion = "Xcode 2.4";
hasScannedForEncodings = 1;
mainGroup = 08FB7794FE84155DC02AAC07 /* MinidumpWriter */;
projectDirPath = "";
projectRoot = "";
targets = (
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buildActionMask = 2147483647;
files = (
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runOnlyForDeploymentPostprocessing = 0;
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/* End PBXResourcesBuildPhase section */
/* Begin PBXShellScriptBuildPhase section */
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isa = PBXShellScriptBuildPhase;
buildActionMask = 2147483647;
files = (
);
inputPaths = (
);
outputPaths = (
);
runOnlyForDeploymentPostprocessing = 0;
shellPath = /bin/sh;
shellScript = "# Run the unit tests in this test bundle.\n\"${SYSTEM_DEVELOPER_DIR}/Tools/RunUnitTests\"\n# Run gcov on the framework getting tested\nif [ \"${CONFIGURATION}\" = 'Coverage' ];\nthen\n FRAMEWORK_NAME=minidump_tests\n FRAMEWORK_OBJ_DIR=${OBJROOT}/${PROJECT_NAME}.build/${CONFIGURATION}/${FRAMEWORK_NAME}.build/Objects-normal/${NATIVE_ARCH_ACTUAL}\n mkdir -p coverage\n pushd coverage\n echo find ${OBJROOT} -name *.gcda -exec gcov -o ${FRAMEWORK_OBJ_DIR} {} \\;\n find ${OBJROOT} -name *.gcda -exec gcov -o ${FRAMEWORK_OBJ_DIR} {} \\;\n popd\nfi ";
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@ -324,6 +392,15 @@
);
runOnlyForDeploymentPostprocessing = 0;
};
F9AE19BF0DB04A9500C98454 /* Sources */ = {
isa = PBXSourcesBuildPhase;
buildActionMask = 2147483647;
files = (
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runOnlyForDeploymentPostprocessing = 0;
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/* End PBXSourcesBuildPhase section */
/* Begin XCBuildConfiguration section */
@ -456,6 +533,168 @@
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name = Release;
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buildSettings = {
GCC_WARN_ABOUT_RETURN_TYPE = YES;
GCC_WARN_UNUSED_VARIABLE = YES;
OTHER_LDFLAGS = "-lcrypto";
PREBINDING = NO;
SDKROOT = /Developer/SDKs/MacOSX10.4u.sdk;
};
name = Coverage;
};
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isa = XCBuildConfiguration;
buildSettings = {
COPY_PHASE_STRIP = NO;
GCC_CW_ASM_SYNTAX = NO;
GCC_DYNAMIC_NO_PIC = NO;
GCC_ENABLE_FIX_AND_CONTINUE = YES;
GCC_ENABLE_PASCAL_STRINGS = NO;
GCC_MODEL_TUNING = G5;
GCC_OPTIMIZATION_LEVEL = 0;
GCC_THREADSAFE_STATICS = NO;
INSTALL_PATH = "$(HOME)/bin";
PRODUCT_NAME = generator_test;
USER_HEADER_SEARCH_PATHS = "../../../** $(inherited)";
ZERO_LINK = NO;
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name = Coverage;
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ARCHS = "$(NATIVE_ARCH)";
COPY_PHASE_STRIP = NO;
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GCC_MODEL_TUNING = G5;
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USER_HEADER_SEARCH_PATHS = "../../.. $(inherited)";
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GCC_MODEL_TUNING = G5;
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GCC_PREFIX_HEADER = "$(SYSTEM_LIBRARY_DIR)/Frameworks/Carbon.framework/Headers/Carbon.h";
INFOPLIST_FILE = "minidump_tests-Info.plist";
INSTALL_PATH = "$(USER_LIBRARY_DIR)/Bundles";
MACOSX_DEPLOYMENT_TARGET = 10.5;
OTHER_LDFLAGS = (
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@ -463,6 +702,7 @@
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@ -472,6 +712,7 @@
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@ -481,6 +722,7 @@
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@ -490,11 +732,22 @@
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rootObject = 08FB7793FE84155DC02AAC07 /* Project object */;

View File

@ -0,0 +1,20 @@
<?xml version="1.0" encoding="UTF-8"?>
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<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>English</string>
<key>CFBundleExecutable</key>
<string>${EXECUTABLE_NAME}</string>
<key>CFBundleIdentifier</key>
<string>com.google.breakpad.minidump_tests</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundlePackageType</key>
<string>BNDL</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>1.0</string>
</dict>
</plist>

View File

@ -145,6 +145,18 @@ static bool CompareFile(const char *path) {
ASSERT_NE(fd, -1);
ASSERT_TRUE(buffer);
ASSERT_EQ(read(fd, buffer, expected_byte_count), expected_byte_count);
char *b1, *b2;
b1 = (char*)buffer;
b2 = (char*)expected;
while (*b1 == *b2) {
b1++;
b2++;
}
printf("%d\n",b1 - (char*)buffer);
ASSERT_EQ(memcmp(buffer, expected, expected_byte_count), 0);
return true;
}