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Add some unit tests for Linux WriteSymbolFile

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This patch adds synth_elf::{StringTable,SymbolTable,ELF} classes to
produce in-memory ELF files to properly test the Linux symbol dumping
code. It also uses those classes to add some basic tests for
the WriteSymbolFile function.

R=jimb at http://breakpad.appspot.com/277001/show

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@794 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek 2011-07-06 17:05:59 +00:00
parent b2f96f314c
commit 3ca4a120de
16 changed files with 958 additions and 228 deletions
Download patch file Download diff file Expand all files Collapse all files

88
src/common/module.cc
View file

@ -35,10 +35,18 @@
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <iostream>
namespace google_breakpad {
using std::dec;
using std::endl;
using std::hex;
Module::Module(const string &name, const string &os,
const string &architecture, const string &id) :
name_(name),
@ -182,22 +190,20 @@ bool Module::ReportError() {
return false;
}
bool Module::WriteRuleMap(const RuleMap &rule_map, FILE *stream) {
bool Module::WriteRuleMap(const RuleMap &rule_map, std::ostream &stream) {
for (RuleMap::const_iterator it = rule_map.begin();
it != rule_map.end(); it++) {
if (it != rule_map.begin() &&
0 > putc(' ', stream))
return false;
if (0 > fprintf(stream, "%s: %s", it->first.c_str(), it->second.c_str()))
return false;
if (it != rule_map.begin())
stream << ' ';
stream << it->first << ": " << it->second;
}
return true;
return stream.good();
}
bool Module::Write(FILE *stream) {
if (0 > fprintf(stream, "MODULE %s %s %s %s\n",
os_.c_str(), architecture_.c_str(), id_.c_str(),
name_.c_str()))
bool Module::Write(std::ostream &stream) {
stream << "MODULE " << os_ << " " << architecture_ << " "
<< id_ << " " << name_ << endl;
if (!stream.good())
return ReportError();
AssignSourceIds();
@ -207,8 +213,8 @@ bool Module::Write(FILE *stream) {
file_it != files_.end(); file_it++) {
File *file = file_it->second;
if (file->source_id >= 0) {
if (0 > fprintf(stream, "FILE %d %s\n",
file->source_id, file->name.c_str()))
stream << "FILE " << file->source_id << " " << file->name << endl;
if (!stream.good())
return ReportError();
}
}
@ -217,29 +223,35 @@ bool Module::Write(FILE *stream) {
for (FunctionSet::const_iterator func_it = functions_.begin();
func_it != functions_.end(); func_it++) {
Function *func = *func_it;
if (0 > fprintf(stream, "FUNC %llx %llx %llx %s\n",
(unsigned long long) (func->address - load_address_),
(unsigned long long) func->size,
(unsigned long long) func->parameter_size,
func->name.c_str()))
stream << "FUNC " << hex
<< (func->address - load_address_) << " "
<< func->size << " "
<< func->parameter_size << " "
<< func->name << dec << endl;
if (!stream.good())
return ReportError();
for (vector<Line>::iterator line_it = func->lines.begin();
line_it != func->lines.end(); line_it++)
if (0 > fprintf(stream, "%llx %llx %d %d\n",
(unsigned long long) (line_it->address - load_address_),
(unsigned long long) line_it->size,
line_it->number,
line_it->file->source_id))
line_it != func->lines.end(); line_it++) {
stream << hex
<< (line_it->address - load_address_) << " "
<< line_it->size << " "
<< dec
<< line_it->number << " "
<< line_it->file->source_id << endl;
if (!stream.good())
return ReportError();
}
}
// Write out 'PUBLIC' records.
for (ExternSet::const_iterator extern_it = externs_.begin();
extern_it != externs_.end(); extern_it++) {
Extern *ext = *extern_it;
if (0 > fprintf(stream, "PUBLIC %llx 0 %s\n",
(unsigned long long) (ext->address - load_address_),
ext->name.c_str()))
stream << "PUBLIC " << hex
<< (ext->address - load_address_) << " 0 "
<< ext->name << dec << endl;
if (!stream.good())
return ReportError();
}
@ -248,21 +260,25 @@ bool Module::Write(FILE *stream) {
for (frame_it = stack_frame_entries_.begin();
frame_it != stack_frame_entries_.end(); frame_it++) {
StackFrameEntry *entry = *frame_it;
if (0 > fprintf(stream, "STACK CFI INIT %llx %llx ",
(unsigned long long) entry->address - load_address_,
(unsigned long long) entry->size)
|| !WriteRuleMap(entry->initial_rules, stream)
|| 0 > putc('\n', stream))
stream << "STACK CFI INIT " << hex
<< (entry->address - load_address_) << " "
<< entry->size << " " << dec;
if (!stream.good()
|| !WriteRuleMap(entry->initial_rules, stream))
return ReportError();
stream << endl;
// Write out this entry's delta rules as 'STACK CFI' records.
for (RuleChangeMap::const_iterator delta_it = entry->rule_changes.begin();
delta_it != entry->rule_changes.end(); delta_it++) {
if (0 > fprintf(stream, "STACK CFI %llx ",
(unsigned long long) delta_it->first - load_address_)
|| !WriteRuleMap(delta_it->second, stream)
|| 0 > putc('\n', stream))
stream << "STACK CFI " << hex
<< (delta_it->first - load_address_) << " " << dec;
if (!stream.good()
|| !WriteRuleMap(delta_it->second, stream))
return ReportError();
stream << endl;
}
}