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feat(relinker): scan sce modules for syscalls

This commit is contained in:
boykopovar 2026-09-26 16:54:43 +03:00
parent 630cb018c0
commit 2e654e4f89
3 changed files with 9 additions and 11 deletions
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5
core/relinker/main.cpp
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@ -55,10 +55,11 @@ int main(const int argc, char* argv[]) {
}
auto elfReader = std::make_shared<Relinker::ElfReader>(sourceBytes);
const std::shared_ptr<Relinker::ISyscallScanner> syscallScanner = args.skipSyscallCheck ? Relinker::MakeNullSyscallScanner() : Relinker::MakeSyscallScanner();
const auto pipeline = std::make_shared<Relinker::RelinkerPipeline>(
elfReader,
args.skipSyscallCheck ? Relinker::MakeNullSyscallScanner() : Relinker::MakeSyscallScanner(),
syscallScanner,
Relinker::MakeCallSiteResolver(),
std::make_shared<Relinker::ValidationPolicy>(),
std::make_shared<Relinker::SysVDynamicSectionBuilder>(),
@ -77,7 +78,7 @@ int main(const int argc, char* argv[]) {
std::vector<Relinker::GuestArtifact> guestArtifacts;
if (!args.skipSceModule) {
guestArtifacts = Relinker::GuestModuleBuilder().Build(args.inputPath, absPath, result.DynamicSection, args.toWindows, args.toIntel, args.skipSyscallCheck, args.lazyBinding, args.runPath);
guestArtifacts = Relinker::GuestModuleBuilder().Build(args.inputPath, absPath, result.DynamicSection, args.toWindows, args.toIntel, *syscallScanner, args.lazyBinding, args.runPath);
}
if (args.writeRegistry) {

3
core/relinker/relinker/include/relinker/guest/GuestImage.hpp
View File

@ -2,6 +2,7 @@
#define RELINKER_GUESTIMAGE_HPP
#include <domain/Types.hpp>
#include <relinker/domain/ISyscallScanner.hpp>
#include <filesystem>
namespace Relinker {
@ -41,7 +42,7 @@ struct GuestArtifact {
class GuestModuleBuilder {
public:
std::vector<GuestArtifact> Build(const std::filesystem::path& inputPath, const std::filesystem::path& outputPath, Domain::SysVDynamicSection& dynamic, bool windows, bool toIntel, bool skipSyscallCheck, bool lazyBinding, const std::string& runPath) const;
std::vector<GuestArtifact> Build(const std::filesystem::path& inputPath, const std::filesystem::path& outputPath, Domain::SysVDynamicSection& dynamic, bool windows, bool toIntel, ISyscallScanner& syscallScanner, bool lazyBinding, const std::string& runPath) const;
};
}

12
core/relinker/relinker/src/guest/GuestModuleBuilder.cpp
View File

@ -1,5 +1,4 @@
#include <relinker/guest/GuestImage.hpp>
#include <relinker/analysis/SyscallScanner.hpp>
#include <elfpatcher/general/GuestModuleWriter.hpp>
#include <codegen/IAmd64OnlyConverter.hpp>
#include <io/FileReader.hpp>
@ -12,7 +11,7 @@
namespace Relinker {
std::vector<GuestArtifact> GuestModuleBuilder::Build(const std::filesystem::path& inputPath, const std::filesystem::path& outputPath, Domain::SysVDynamicSection& dynamic, const bool windows, const bool toIntel, const bool skipSyscallCheck, const bool lazyBinding, const std::string& runPath) const {
std::vector<GuestArtifact> GuestModuleBuilder::Build(const std::filesystem::path& inputPath, const std::filesystem::path& outputPath, Domain::SysVDynamicSection& dynamic, const bool windows, const bool toIntel, ISyscallScanner& syscallScanner, const bool lazyBinding, const std::string& runPath) const {
const auto root = std::filesystem::absolute(inputPath).parent_path();
const auto singular = root / "sce_module";
const auto plural = root / "sce_modules";
@ -61,12 +60,9 @@ std::vector<GuestArtifact> GuestModuleBuilder::Build(const std::filesystem::path
std::vector<Domain::ProgramHeader> codeHeaders;
for (const auto& header : image.Headers) if (header.Type == 1 && (header.Flags & 1) != 0) codeHeaders.push_back(header);
if (toIntel) image.Bytes = Codegen::MakeAmd64OnlyConverter()->Convert(std::move(image.Bytes), codeHeaders).Bytes;
if (!skipSyscallCheck) {
const auto scanner = MakeSyscallScanner();
for (const auto& header : codeHeaders) {
const std::vector<std::uint8_t> code(image.Bytes.begin() + header.Offset, image.Bytes.begin() + header.Offset + header.FileSize);
scanner->ScanCodeSectionForSyscalls(code, header.MappedAddress, header.FileSize);
}
for (const auto& header : codeHeaders) {
const std::vector<std::uint8_t> code(image.Bytes.begin() + header.Offset, image.Bytes.begin() + header.Offset + header.FileSize);
syscallScanner.ScanCodeSectionForSyscalls(code, header.MappedAddress, header.FileSize);
}
images.push_back(std::move(image));
}