Multithread version 1

Signed-off-by: Malfurious <m@lfurio.us>

1 files changed, 72 insertions, 14 deletions

diff --git a/debugger.h b/debugger.h
index 6305e96..cf2c442 100644
--- a/debugger.h
+++ b/debugger.h
@@ -8,13 +8,19 @@
 
 #define BREAKPOINT_INSN 0xcc
 
+extern PANEL *consolepan;
+
 struct breakpoint {
     LINKEDLIST;
+    unsigned long orig;
     unsigned long address;
     unsigned long stack;
-    unsigned long orig;
+    pid_t tid;
     int enabled;
     int active;
+    /* add count field
+     * and stop boolean
+     * to implement checkpoints? */
 };
 
 struct map {
@@ -31,25 +37,77 @@ struct state {
     struct list maps;
 };
 
-struct tracee {
-    struct list breaks;
+struct process {
+    pid_t id;
+    int child;
+    struct list breakpoints;
+    struct list threads;
+};
+
+struct thread {
+    LINKEDLIST;
+    struct process *proc;
+
     struct list states;
     struct state *state;
+    int clearstates;
+
     pid_t id;
-    int child;
     int stopped;
-    int status;
     int signal;
     int cont;
-    void *buff;
-    size_t buffsize;
+    const char *status;
 };
 
-extern int dbg_process(struct tracee *dbg, pid_t pid);
-extern int dbg_new_process(struct tracee *dbg, char **argv, struct console *cons);
-extern int dbg_wait(struct tracee *dbg);
-extern int dbg_stepin(struct tracee *dbg);
-extern int dbg_stepover(struct tracee *dbg);
+extern void add_breakpoint(struct process *proc, unsigned long address, unsigned long stack, pid_t tid, int enabled);
+extern int is_breakpoint(struct process *proc, unsigned long address);
+
+extern int dbg_process(struct process *proc, pid_t pid, int child);
+extern int dbg_detach(struct process *proc);
+extern int dbg_wait(struct thread *th, int dostops);
+extern int dbg_cont(struct thread *th, int cont);
+extern int dbg_stepin(struct thread *th);
+extern int dbg_intr(struct thread *th);
+extern void *deref(struct thread *th, unsigned long addr, size_t size);
+
+
+
+
+
+
+
+
+
+/* how to do an async 'all-cont':
+ *
+ * mark all threads for PTRACE_CONT
+ * singlestep all threads
+ *  this is needed to step past any thread that may be starting at a breakpoint
+ * wait all single steps (note that some may hang...)
+ * once all single steps completed, install breakpoints and actually cont threads
+ */
+
+//extern void add_breakpoint(struct process *proc, unsigned long address, unsigned long stack, pid_t tid, int enabled);
+//extern int is_breakpoint(struct process *proc, unsigned long address);
+//
+//extern int dbg_process(struct process *proc, pid_t pid);
+//extern int dbg_wait(struct thread *th, int dostops);
+//extern int dbg_stepin(struct thread *th);
+//extern int dbg_stepover(struct thread *th);
+//extern int dbg_cont(struct thread *th, int cont);
+//extern int dbg_intr(struct thread *th);
+//extern int dbg_detach(struct process *proc);
+//extern void *deref(struct thread *th, unsigned long addr, size_t size);
+
+
+
+
+//extern int dbg_process(struct tracee *dbg, pid_t pid);
+//extern int dbg_new_process(struct tracee *dbg, char **argv, struct console *cons);
+//extern int dbg_wait(struct tracee *dbg, PANEL *pan);
+//extern int dbg_stepin(struct tracee *dbg);
+//extern int dbg_stepover(struct tracee *dbg);
 //extern int dbg_stepout(struct tracee *dbg);
-extern int dbg_cont(struct tracee *dbg, int mode);
-extern void *deref(struct tracee *dbg, unsigned long addr, size_t size);
+//extern int dbg_cont(struct tracee *dbg, int mode);
+//extern void *deref(struct tracee *dbg, unsigned long addr, size_t size);
+//extern void dbg_free(struct tracee *dbg);