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gdbstub: add missing library list command

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This commit is contained in:
Liam
2022-06-03 20:42:13 -04:00
parent 5c0a31e29f
commit 2f2e443858
1 changed files with 28 additions and 22 deletions
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50
src/core/debugger/gdbstub.cpp
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@@ -422,6 +422,18 @@ static std::string GetThreadState(const Kernel::KThread* thread) {
}
}
static std::string PaginateBuffer(std::string_view buffer, std::string_view request) {
const auto amount{request.substr(request.find(',') + 1)};
const auto offset_val{static_cast<u64>(strtoll(request.data(), nullptr, 16))};
const auto amount_val{static_cast<u64>(strtoll(amount.data(), nullptr, 16))};
if (offset_val + amount_val > buffer.size()) {
return fmt::format("l{}", buffer.substr(offset_val));
} else {
return fmt::format("m{}", buffer.substr(offset_val, amount_val));
}
}
void GDBStub::HandleQuery(std::string_view command) {
if (command.starts_with("TStatus")) {
// no tracepoint support
@@ -430,18 +442,8 @@ void GDBStub::HandleQuery(std::string_view command) {
SendReply("PacketSize=4000;qXfer:features:read+;qXfer:threads:read+;qXfer:libraries:read+;"
"vContSupported+;QStartNoAckMode+");
} else if (command.starts_with("Xfer:features:read:target.xml:")) {
const auto offset{command.substr(30)};
const auto amount{command.substr(command.find(',') + 1)};
const auto offset_val{static_cast<u64>(strtoll(offset.data(), nullptr, 16))};
const auto amount_val{static_cast<u64>(strtoll(amount.data(), nullptr, 16))};
const auto target_xml{arch->GetTargetXML()};
if (offset_val + amount_val > target_xml.size()) {
SendReply("l" + target_xml.substr(offset_val));
} else {
SendReply("m" + target_xml.substr(offset_val, amount_val));
}
SendReply(PaginateBuffer(target_xml, command.substr(30)));
} else if (command.starts_with("Offsets")) {
Loader::AppLoader::Modules modules;
system.GetAppLoader().ReadNSOModules(modules);
@@ -454,6 +456,20 @@ void GDBStub::HandleQuery(std::string_view command) {
SendReply(fmt::format("TextSeg={:x}",
system.CurrentProcess()->PageTable().GetCodeRegionStart()));
}
} else if (command.starts_with("Xfer:libraries:read::")) {
Loader::AppLoader::Modules modules;
system.GetAppLoader().ReadNSOModules(modules);
std::string buffer;
buffer += R"(<?xml version="1.0"?>)";
buffer += "<library-list>";
for (const auto& [base, name] : modules) {
buffer += fmt::format(R"(<library name="{}"><segment address="{:#x}"/></library>)",
EscapeXML(name), base);
}
buffer += "</library-list>";
SendReply(PaginateBuffer(buffer, command.substr(21)));
} else if (command.starts_with("fThreadInfo")) {
// beginning of list
const auto& threads = system.GlobalSchedulerContext().GetThreadList();
@@ -484,17 +500,7 @@ void GDBStub::HandleQuery(std::string_view command) {
buffer += "</threads>";
const auto offset{command.substr(19)};
const auto amount{command.substr(command.find(',') + 1)};
const auto offset_val{static_cast<u64>(strtoll(offset.data(), nullptr, 16))};
const auto amount_val{static_cast<u64>(strtoll(amount.data(), nullptr, 16))};
if (offset_val + amount_val > buffer.size()) {
SendReply("l" + buffer.substr(offset_val));
} else {
SendReply("m" + buffer.substr(offset_val, amount_val));
}
SendReply(PaginateBuffer(buffer, command.substr(19)));
} else if (command.starts_with("Attached")) {
SendReply("0");
} else if (command.starts_with("StartNoAckMode")) {