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-rw-r--r--include/sys/debug.h162
1 files changed, 162 insertions, 0 deletions
diff --git a/include/sys/debug.h b/include/sys/debug.h
new file mode 100644
index 0000000..cdb663d
--- /dev/null
+++ b/include/sys/debug.h
@@ -0,0 +1,162 @@
+#include <stdint.h>
+#include <stddef.h>
+#include <signal.h>
+#include <unistd.h>
+
+/* debug states */
+enum __dbg_state {
+ __DBG_STATE_IDLE,
+ __DBG_STATE_REPLY_PENDING,
+
+ __DBG_STATE_CREATE_THREAD,
+ __DBG_STATE_CREATE_PROCESS,
+
+ __DBG_STATE_EXIT_THREAD,
+ __DBG_STATE_EXIT_PROCESS,
+
+ __DBG_STATE_EXCEPTION,
+ __DBG_STATE_BREAKPOINT,
+ __DBG_STATE_SINGLE_STEP,
+
+ __DBG_STATE_DLL_LOAD,
+ __DBG_STATE_DLL_UNLOAD,
+};
+
+/* debug responses */
+#define __DBG_RESPONSE_CONTINUE (0x00010002)
+#define __DBG_RESPONSE_EXCEPTION_HANDLED (0x00010001)
+#define __DBG_RESPONSE_EXCEPTION_NOT_HANDLED (0x80010001)
+#define __DBG_RESPONSE_REPLY_LATER (0x40010001)
+#define __DBG_RESPONSE_TERMINATE_PROCESS (0x40010004)
+#define __DBG_RESPONSE_TERMINATE_THREAD (0x40010003)
+
+/* thread types */
+#define __DBG_THREAD_TYPE_UNKNOWN 0x00
+#define __DBG_THREAD_TYPE_PTHREAD 0x01
+#define __DBG_THREAD_TYPE_DAEMON 0x02
+#define __DBG_THREAD_TYPE_PTYREF 0x03
+#define __DBG_THREAD_TYPE_POLLER 0x04
+#define __DBG_THREAD_TYPE_WAITER 0x05
+#define __DBG_THREAD_TYPE_TIMER 0x06
+#define __DBG_THREAD_TYPE_BRIDGE 0x07
+#define __DBG_THREAD_TYPE_PIPEIN 0x08
+#define __DBG_THREAD_TYPE_PIPEOUT 0x09
+
+#define __DBG_THREAD_TYPE_TTYANY 0x40
+#define __DBG_THREAD_TYPE_TTYSRV 0x41
+#define __DBG_THREAD_TYPE_TTYSVC 0x42
+#define __DBG_THREAD_TYPE_TTYASYNC 0x43
+#define __DBG_THREAD_TYPE_TTYCLIENT 0x44
+#define __DBG_THREAD_TYPE_TTYDEBUG 0x45
+#define __DBG_THREAD_TYPE_TTYCONN 0x46
+
+/* exception source bits */
+#define __DBG_EXCEPTION_SOURCE_UNKNOWN 0x00
+#define __DBG_EXCEPTION_SOURCE_HARDWARE 0x01
+#define __DBG_EXCEPTION_SOURCE_SOFTWARE 0x02
+#define __DBG_EXCEPTION_SOURCE_KERNEL 0x04
+#define __DBG_EXCEPTION_SOURCE_USER 0x08
+
+/* exception record */
+struct __erec {
+ uint32_t exception_code;
+ uint32_t exception_flags;
+ struct __erec * exception_record;
+ void * exception_address;
+ uint32_t exception_params;
+ uintptr_t exception_info[0xf];
+};
+
+/* debug event alpha definition */
+struct __dbg_event {
+ int evttype;
+ int evtzone;
+
+ int32_t estatus;
+ int32_t eresponse;
+
+ uint64_t evtkey;
+ uint64_t evtqpc;
+
+ pid_t cpid;
+ pid_t ctid;
+
+ pid_t syspid;
+ pid_t systid;
+
+ mcontext_t * thread_context;
+ siginfo_t * thread_siginfo;
+
+ stack_t * thread_cstack;
+ stack_t * thread_astack;
+ sigset_t * thread_sigmask;
+
+ struct tstat * thread_stat;
+ struct __teb * thread_teb;
+ struct __tlca * thread_tlca;
+
+ struct __erec * exception_record;
+ uint32_t exception_priority;
+ uint32_t exception_source;
+
+ int syscall_depth;
+ int syscall_number;
+ intptr_t syscall_result;
+ intptr_t syscall_params[6];
+
+ uint32_t * thread_subsystem_key;
+ void * thread_start_address;
+ int32_t * thread_exit_code;
+
+ uint32_t * process_subsystem_key;
+ void * process_image_handle;
+ void * process_image_base;
+ int32_t * process_exit_code;
+
+ void * module_image_handle;
+ void * module_image_base;
+
+ uint32_t dbg_info_offset;
+ uint32_t dbg_info_size;
+
+ const char * image_rpath;
+ const char * image_apath;
+ const char * image_npath;
+ const char * image_dpath;
+};
+
+/* pid (or syspid) --> debug file descriptor */
+int __dbg_attach(pid_t);
+int __dbg_detach(int);
+
+/* process creation/suspension/termination --> debug file descriptor */
+int __dbg_spawn(const char *, char **, char **);
+int __dbg_fork();
+int __dbg_suspend(int);
+int __dbg_kill(int);
+
+/**
+ * query one (or all) pending debug event(s) for the given debug
+ * file descriptor:
+ * in the 'one' case, the return value indicates the total number
+ * of events that are pending for the given file descriptor;
+ * in the 'all' case, the third argument specifies the number
+ * of elements in the user-provided buffer.
+**/
+int __dbg_event_query_one(int,struct __dbg_event *);
+int __dbg_event_query_all(int,struct __dbg_event[],int);
+
+/**
+ * first acquire (remove from the queue) the next pending debug event;
+ * later respond to the event, the default being __DBG_RESPONSE_CONTINUE.
+**/
+int __dbg_event_acquire(int,struct __dbg_event *);
+int __dbg_event_respond(int,struct __dbg_event *);
+
+/* debug file descriptor --> common (or system) pid */
+int __dbg_query_cpid(int);
+int __dbg_query_syspid(int);
+
+/* code of last debug operation error encountered by this pthread */
+int __dbg_common_error(void);
+int __dbg_native_error(void);