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#pragma once
#include <cstdint>
#include <filesystem>
#include <string>
#include <string_view>
#include <vector>
namespace Hsdbg
{
enum class TargetState : uint8_t
{
NoTarget,
Loaded,
Launching,
Running,
Stopped,
Exited,
Crashed,
};
enum class StopReason : uint8_t
{
None,
Breakpoint,
Step,
Signal,
Exception,
Watchpoint,
};
enum class StepMode : uint8_t
{
Line,
Instruction,
};
constexpr auto to_string(TargetState state) -> std::string_view
{
switch (state)
{
case TargetState::NoTarget: return "no target";
case TargetState::Loaded: return "loaded";
case TargetState::Launching: return "launching";
case TargetState::Running: return "running";
case TargetState::Stopped: return "stopped";
case TargetState::Exited: return "exited";
case TargetState::Crashed: return "crashed";
}
return "unknown";
}
constexpr auto to_string(StopReason reason) -> std::string_view
{
switch (reason)
{
case StopReason::None: return "none";
case StopReason::Breakpoint: return "breakpoint";
case StopReason::Step: return "step";
case StopReason::Signal: return "signal";
case StopReason::Exception: return "exception";
case StopReason::Watchpoint: return "watchpoint";
}
return "unknown";
}
struct LaunchSpec
{
std::filesystem::path executable;
std::filesystem::path working_directory;
std::vector<std::string> arguments;
std::vector<std::string> environment;
// running should reach the first breakpoint, not the loader's entry point
bool stop_at_entry = false;
};
struct Breakpoint
{
uint32_t id = 0;
int32_t backend_id = 0;
std::filesystem::path file;
uint32_t line = 0;
std::string function;
uint64_t address = 0;
std::string condition;
// how many hits lldb lets through before it starts stopping
uint32_t ignore_count = 0;
uint32_t hit_count = 0;
bool enabled = true;
bool resolved = false;
// set by name, so file and line are whatever lldb found rather than
// what was asked for
bool by_function = false;
// set on an instruction, identified by where it sits in the binary so it
// survives the process being restarted somewhere else
bool by_address = false;
uint64_t file_address = 0;
};
struct StackFrame
{
uint32_t index = 0;
uint64_t program_counter = 0;
std::string function;
std::filesystem::path file;
uint32_t line = 0;
};
struct Thread
{
uint64_t id = 0;
std::string name;
StopReason stop_reason = StopReason::None;
};
struct Variable
{
std::string name;
std::string type;
std::string value;
std::vector<Variable> children;
};
struct Register
{
std::string name;
uint64_t value = 0;
};
struct Instruction
{
// where the instruction is right now, which is the load address once a
// process is running and the address in the binary before that
uint64_t address = 0;
// the same instruction across runs, so a breakpoint can point at it
uint64_t file_address = 0;
std::string mnemonic;
std::string operands;
std::string comment;
uint32_t size = 0;
// whether the selected frame is sitting on this one
bool current = false;
};
struct Symbol
{
std::string name;
uint64_t file_address = 0;
uint64_t address = 0;
uint64_t size = 0;
};
// one recorded activation of a traced function: when it was entered and how
// long it took. duration stays zero until the matching return is seen
struct TraceCall
{
double start = 0.0; // seconds since tracing began
double duration = 0.0; // seconds spent inside the call
};
// one call laid out for the flame chart: a horizontal bar whose x is the
// start time, width is the duration and row is how deeply it was nested
struct TimelineSpan
{
uint32_t trace_id = 0; // which traced function, also picks the colour
uint64_t thread_id = 0;
double start = 0.0; // seconds since tracing began
double duration = 0.0; // seconds; zero while the call is still running
uint32_t depth = 0; // 0 is the outermost call on its thread
};
// a function the user asked to time. the debugger sets an internal breakpoint
// on it that records each call without stopping the ui
struct FunctionTrace
{
uint32_t id = 0;
std::string function;
int32_t entry_backend_id = 0;
uint64_t call_count = 0; // entries seen
uint64_t completed_count = 0; // calls whose return was matched
// seconds, aggregated over completed calls
double total_time = 0.0;
double min_time = 0.0;
double max_time = 0.0;
std::vector<TraceCall> calls;
};
}
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