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readRpl: Add SHT_RPL_CRCS value check

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This commit is contained in:
James Benton 2018-05-23 15:36:25 +01:00
parent 541676ce38
commit c7325899be
1 changed files with 41 additions and 0 deletions
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41
tools/readrpl/main.cpp
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@ -458,6 +458,45 @@ printRplImports(std::vector<Section> &sections,
}
}
static void
checkRplCrcs(std::vector<Section> &sections)
{
elf::RplCrc *crcs = NULL;
auto crcSectionIndex = 0u;
for (auto i = 0u; i < sections.size(); ++i) {
auto &section = sections[i];
if (section.header.type == elf::SHT_RPL_CRCS) {
crcs = reinterpret_cast<elf::RplCrc *>(section.data.data());
crcSectionIndex = i;
break;
}
}
if (!crcs) {
return;
}
for (auto i = 0u; i < sections.size(); ++i) {
auto &section = sections[i];
auto crc = uint32_t { 0u };
if (i == crcSectionIndex) {
continue;
}
if (section.data.size()) {
crc = crc32(0, Z_NULL, 0);
crc = crc32(crc, reinterpret_cast<Bytef *>(section.data.data()), section.data.size());
}
if (crc != crcs[i].crc) {
fmt::print("Unexpected crc for section {}, read 0x{:08X} but calculated 0x{:08X}",
i, crcs[i].crc, crc);
}
}
}
static void
printRplCrcs(std::vector<Section> &sections,
const char *shStrTab,
@ -662,6 +701,8 @@ int main(int argc, char **argv)
printSectionSummary(sections, shStrTab);
}
checkRplCrcs(sections);
// Print section data
for (auto i = 0u; i < sections.size(); ++i) {
auto &section = sections[i];