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Cleanup xfer data transfer

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momo5502
2025-01-19 13:24:05 +01:00
parent 62597d5f4e
commit 87fb3defe4
1 changed files with 24 additions and 18 deletions
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42
src/gdb-stub/gdb_stub.cpp
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@@ -49,6 +49,29 @@ namespace gdb_stub
return {name, args};
}
void send_xfer_data(connection_handler& connection, const std::string& args, const std::string_view data)
{
size_t offset{}, length{};
rt_assert(sscanf_s(args.c_str(), "%zx,%zx", &offset, &length) == 2);
if (offset >= data.size())
{
connection.send_reply("l");
return;
}
const auto remaining = data.size() - offset;
const auto real_length = std::min(remaining, length);
const auto is_end = real_length == remaining;
const auto sub_region = data.substr(offset, real_length);
std::string reply = is_end ? "l" : "m";
reply.append(sub_region);
connection.send_reply(reply);
}
void handle_features(connection_handler& connection, debugging_handler& handler, const std::string_view payload)
{
const auto [command, args] = split_string(payload, ':');
@@ -60,25 +83,8 @@ namespace gdb_stub
}
const auto [file, data] = split_string(args, ':');
size_t offset{}, length{};
rt_assert(sscanf_s(std::string(data).c_str(), "%zx,%zx", &offset, &length) == 2);
const auto target_description = handler.get_target_description(file);
if (offset >= target_description.size())
{
connection.send_reply("l");
return;
}
const auto remaining = target_description.size() - offset;
const auto real_length = std::min(remaining, length);
const auto is_end = real_length == remaining;
const auto sub_region = target_description.substr(offset, real_length);
connection.send_reply((is_end ? "l" : "m") + sub_region);
send_xfer_data(connection, std::string(data), target_description);
}
void process_xfer(connection_handler& connection, debugging_handler& handler, const std::string_view payload)