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-rw-r--r--src/core/debugger/gdbstub.cpp54
-rw-r--r--src/core/debugger/gdbstub_arch.cpp14
-rw-r--r--src/core/debugger/gdbstub_arch.h6
3 files changed, 44 insertions, 30 deletions
diff --git a/src/core/debugger/gdbstub.cpp b/src/core/debugger/gdbstub.cpp
index a64a9ac64..945ec528e 100644
--- a/src/core/debugger/gdbstub.cpp
+++ b/src/core/debugger/gdbstub.cpp
@@ -11,6 +11,7 @@
#include "common/hex_util.h"
#include "common/logging/log.h"
#include "common/scope_exit.h"
+#include "common/settings.h"
#include "core/arm/arm_interface.h"
#include "core/core.h"
#include "core/debugger/gdbstub.h"
@@ -95,7 +96,7 @@ static std::string EscapeXML(std::string_view data) {
GDBStub::GDBStub(DebuggerBackend& backend_, Core::System& system_)
: DebuggerFrontend(backend_), system{system_} {
- if (system.CurrentProcess()->Is64BitProcess()) {
+ if (system.ApplicationProcess()->Is64BitProcess()) {
arch = std::make_unique<GDBStubA64>();
} else {
arch = std::make_unique<GDBStubA32>();
@@ -339,15 +340,15 @@ void GDBStub::HandleBreakpointInsert(std::string_view command) {
success = true;
break;
case BreakpointType::WriteWatch:
- success = system.CurrentProcess()->InsertWatchpoint(system, addr, size,
- Kernel::DebugWatchpointType::Write);
+ success = system.ApplicationProcess()->InsertWatchpoint(system, addr, size,
+ Kernel::DebugWatchpointType::Write);
break;
case BreakpointType::ReadWatch:
- success = system.CurrentProcess()->InsertWatchpoint(system, addr, size,
- Kernel::DebugWatchpointType::Read);
+ success = system.ApplicationProcess()->InsertWatchpoint(system, addr, size,
+ Kernel::DebugWatchpointType::Read);
break;
case BreakpointType::AccessWatch:
- success = system.CurrentProcess()->InsertWatchpoint(
+ success = system.ApplicationProcess()->InsertWatchpoint(
system, addr, size, Kernel::DebugWatchpointType::ReadOrWrite);
break;
case BreakpointType::Hardware:
@@ -390,15 +391,15 @@ void GDBStub::HandleBreakpointRemove(std::string_view command) {
break;
}
case BreakpointType::WriteWatch:
- success = system.CurrentProcess()->RemoveWatchpoint(system, addr, size,
- Kernel::DebugWatchpointType::Write);
+ success = system.ApplicationProcess()->RemoveWatchpoint(system, addr, size,
+ Kernel::DebugWatchpointType::Write);
break;
case BreakpointType::ReadWatch:
- success = system.CurrentProcess()->RemoveWatchpoint(system, addr, size,
- Kernel::DebugWatchpointType::Read);
+ success = system.ApplicationProcess()->RemoveWatchpoint(system, addr, size,
+ Kernel::DebugWatchpointType::Read);
break;
case BreakpointType::AccessWatch:
- success = system.CurrentProcess()->RemoveWatchpoint(
+ success = system.ApplicationProcess()->RemoveWatchpoint(
system, addr, size, Kernel::DebugWatchpointType::ReadOrWrite);
break;
case BreakpointType::Hardware:
@@ -481,7 +482,7 @@ static std::optional<std::string> GetNameFromThreadType64(Core::Memory::Memory&
static std::optional<std::string> GetThreadName(Core::System& system,
const Kernel::KThread* thread) {
- if (system.CurrentProcess()->Is64BitProcess()) {
+ if (system.ApplicationProcess()->Is64BitProcess()) {
return GetNameFromThreadType64(system.Memory(), thread);
} else {
return GetNameFromThreadType32(system.Memory(), thread);
@@ -554,7 +555,7 @@ void GDBStub::HandleQuery(std::string_view command) {
SendReply(fmt::format("TextSeg={:x}", main->first));
} else {
SendReply(fmt::format("TextSeg={:x}",
- system.CurrentProcess()->PageTable().GetCodeRegionStart()));
+ system.ApplicationProcess()->PageTable().GetCodeRegionStart()));
}
} else if (command.starts_with("Xfer:libraries:read::")) {
Loader::AppLoader::Modules modules;
@@ -728,10 +729,28 @@ void GDBStub::HandleRcmd(const std::vector<u8>& command) {
std::string_view command_str{reinterpret_cast<const char*>(&command[0]), command.size()};
std::string reply;
- auto* process = system.CurrentProcess();
+ auto* process = system.ApplicationProcess();
auto& page_table = process->PageTable();
- if (command_str == "get info") {
+ const char* commands = "Commands:\n"
+ " get fastmem\n"
+ " get info\n"
+ " get mappings\n";
+
+ if (command_str == "get fastmem") {
+ if (Settings::IsFastmemEnabled()) {
+ const auto& impl = page_table.PageTableImpl();
+ const auto region = reinterpret_cast<uintptr_t>(impl.fastmem_arena);
+ const auto region_bits = impl.current_address_space_width_in_bits;
+ const auto region_size = 1ULL << region_bits;
+
+ reply = fmt::format("Region bits: {}\n"
+ "Host address: {:#x} - {:#x}\n",
+ region_bits, region, region + region_size - 1);
+ } else {
+ reply = "Fastmem is not enabled.\n";
+ }
+ } else if (command_str == "get info") {
Loader::AppLoader::Modules modules;
system.GetAppLoader().ReadNSOModules(modules);
@@ -787,9 +806,10 @@ void GDBStub::HandleRcmd(const std::vector<u8>& command) {
cur_addr = next_address;
}
} else if (command_str == "help") {
- reply = "Commands:\n get info\n get mappings\n";
+ reply = commands;
} else {
- reply = "Unknown command.\nCommands:\n get info\n get mappings\n";
+ reply = "Unknown command.\n";
+ reply += commands;
}
std::span<const u8> reply_span{reinterpret_cast<u8*>(&reply.front()), reply.size()};
diff --git a/src/core/debugger/gdbstub_arch.cpp b/src/core/debugger/gdbstub_arch.cpp
index 4bef09bd7..831c48513 100644
--- a/src/core/debugger/gdbstub_arch.cpp
+++ b/src/core/debugger/gdbstub_arch.cpp
@@ -41,9 +41,8 @@ static void PutSIMDRegister(std::array<u32, 64>& simd_regs, size_t offset, const
// For sample XML files see the GDB source /gdb/features
// This XML defines what the registers are for this specific ARM device
-std::string GDBStubA64::GetTargetXML() const {
- constexpr const char* target_xml =
- R"(<?xml version="1.0"?>
+std::string_view GDBStubA64::GetTargetXML() const {
+ return R"(<?xml version="1.0"?>
<!DOCTYPE target SYSTEM "gdb-target.dtd">
<target version="1.0">
<architecture>aarch64</architecture>
@@ -178,8 +177,6 @@ std::string GDBStubA64::GetTargetXML() const {
<reg name="fpcr" bitsize="32"/>
</feature>
</target>)";
-
- return target_xml;
}
std::string GDBStubA64::RegRead(const Kernel::KThread* thread, size_t id) const {
@@ -270,9 +267,8 @@ u32 GDBStubA64::BreakpointInstruction() const {
return 0xd4200000;
}
-std::string GDBStubA32::GetTargetXML() const {
- constexpr const char* target_xml =
- R"(<?xml version="1.0"?>
+std::string_view GDBStubA32::GetTargetXML() const {
+ return R"(<?xml version="1.0"?>
<!DOCTYPE target SYSTEM "gdb-target.dtd">
<target version="1.0">
<architecture>arm</architecture>
@@ -378,8 +374,6 @@ std::string GDBStubA32::GetTargetXML() const {
<reg name="fpscr" bitsize="32" type="int" group="float" regnum="80"/>
</feature>
</target>)";
-
- return target_xml;
}
std::string GDBStubA32::RegRead(const Kernel::KThread* thread, size_t id) const {
diff --git a/src/core/debugger/gdbstub_arch.h b/src/core/debugger/gdbstub_arch.h
index 2540d6456..34530c788 100644
--- a/src/core/debugger/gdbstub_arch.h
+++ b/src/core/debugger/gdbstub_arch.h
@@ -16,7 +16,7 @@ namespace Core {
class GDBStubArch {
public:
virtual ~GDBStubArch() = default;
- virtual std::string GetTargetXML() const = 0;
+ virtual std::string_view GetTargetXML() const = 0;
virtual std::string RegRead(const Kernel::KThread* thread, size_t id) const = 0;
virtual void RegWrite(Kernel::KThread* thread, size_t id, std::string_view value) const = 0;
virtual std::string ReadRegisters(const Kernel::KThread* thread) const = 0;
@@ -27,7 +27,7 @@ public:
class GDBStubA64 final : public GDBStubArch {
public:
- std::string GetTargetXML() const override;
+ std::string_view GetTargetXML() const override;
std::string RegRead(const Kernel::KThread* thread, size_t id) const override;
void RegWrite(Kernel::KThread* thread, size_t id, std::string_view value) const override;
std::string ReadRegisters(const Kernel::KThread* thread) const override;
@@ -47,7 +47,7 @@ private:
class GDBStubA32 final : public GDBStubArch {
public:
- std::string GetTargetXML() const override;
+ std::string_view GetTargetXML() const override;
std::string RegRead(const Kernel::KThread* thread, size_t id) const override;
void RegWrite(Kernel::KThread* thread, size_t id, std::string_view value) const override;
std::string ReadRegisters(const Kernel::KThread* thread) const override;
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-06 02:46:36 +0200