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Improve GDB debug server (#4027)

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* Made GDB debugger working with IDA

* Added async interrupts support

* Report proper thread after pausing

* Support attaching debugger before running app
This commit is contained in:
Andrey 2018-02-28 16:31:39 +01:00 • committed by Ivan
parent 2444385763
commit e0f53ace19
4 changed files with 78 additions and 33 deletions
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19
Utilities/GDBDebugServer.h
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@ -50,7 +50,7 @@ class GDBDebugServer : public named_thread {
//initialize server socket and start listening
void start_server();
//read at most cnt bytes to buf, returns nubmer of bytes actually read
//read at most cnt bytes to buf, returns number of bytes actually read
int read(void* buf, int cnt);
//reads one character
char read_char();
@ -90,6 +90,8 @@ class GDBDebugServer : public named_thread {
//send reason of stop, returns false if sending response failed
bool send_reason();
void wait_with_interrupts();
//commands
bool cmd_extended_mode(gdb_cmd& cmd);
bool cmd_reason(gdb_cmd& cmd);
@ -115,17 +117,24 @@ protected:
void on_exit() override final;
public:
static const u32 id_base = 1;
static const u32 id_step = 1;
static const u32 id_count = 0x100000;
bool from_breakpoint = true;
bool stop = false;
bool paused = false;
u64 pausedBy;
virtual std::string get_name() const;
virtual void on_stop() override final;
void pause_from(cpu_thread* t);
};
extern u32 g_gdb_debugger_id;
template <>
struct id_manager::on_stop<GDBDebugServer> {
static inline void func(GDBDebugServer* ptr)
{
if (ptr) ptr->on_stop();
}
};
#endif