diff options
Diffstat (limited to 'src/core/debugger/gdbstub.cpp')
-rw-r--r-- | src/core/debugger/gdbstub.cpp | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/src/core/debugger/gdbstub.cpp b/src/core/debugger/gdbstub.cpp index 0f839d5b4..82964f0a1 100644 --- a/src/core/debugger/gdbstub.cpp +++ b/src/core/debugger/gdbstub.cpp @@ -2,6 +2,8 @@ // SPDX-License-Identifier: GPL-2.0-or-later #include <atomic> +#include <codecvt> +#include <locale> #include <numeric> #include <optional> #include <thread> @@ -12,6 +14,7 @@ #include "common/logging/log.h" #include "common/scope_exit.h" #include "common/settings.h" +#include "common/string_util.h" #include "core/arm/arm_interface.h" #include "core/core.h" #include "core/debugger/gdbstub.h" @@ -68,10 +71,16 @@ static std::string EscapeGDB(std::string_view data) { } static std::string EscapeXML(std::string_view data) { + std::u32string converted = U"[Encoding error]"; + try { + converted = Common::UTF8ToUTF32(data); + } catch (std::range_error&) { + } + std::string escaped; escaped.reserve(data.size()); - for (char c : data) { + for (char32_t c : converted) { switch (c) { case '&': escaped += "&"; @@ -86,7 +95,11 @@ static std::string EscapeXML(std::string_view data) { escaped += ">"; break; default: - escaped += c; + if (c > 0x7f) { + escaped += fmt::format("&#{};", static_cast<u32>(c)); + } else { + escaped += static_cast<char>(c); + } break; } } @@ -263,6 +276,23 @@ void GDBStub::ExecuteCommand(std::string_view packet, std::vector<DebuggerAction std::vector<u8> mem(size); if (system.ApplicationMemory().ReadBlock(addr, mem.data(), size)) { + // Restore any bytes belonging to replaced instructions. + auto it = replaced_instructions.lower_bound(addr); + for (; it != replaced_instructions.end() && it->first < addr + size; it++) { + // Get the bytes of the instruction we previously replaced. + const u32 original_bytes = it->second; + + // Calculate where to start writing to the output buffer. + const size_t output_offset = it->first - addr; + + // Calculate how many bytes to write. + // The loop condition ensures output_offset < size. + const size_t n = std::min<size_t>(size - output_offset, sizeof(u32)); + + // Write the bytes to the output buffer. + std::memcpy(mem.data() + output_offset, &original_bytes, n); + } + SendReply(Common::HexToString(mem)); } else { SendReply(GDB_STUB_REPLY_ERR); |