creport: Implement reading info about all threads.

stratosphere/creport/source/creport_thread_info.cpp

@@ -28,6 +28,9 @@ bool ThreadInfo::ReadFromProcess(Handle debug_handle, u64 thread_id, bool is_64_
         return true;
     }
     
+    /* Try to locate stack top/bottom. */
+    TryGetStackInfo(debug_handle);
+    
     u64 cur_fp = this->context.fp;
     for (unsigned int i = 0; i < sizeof(this->stack_trace)/sizeof(u64); i++) {
         /* Validate the current frame. */
@@ -47,4 +50,49 @@ bool ThreadInfo::ReadFromProcess(Handle debug_handle, u64 thread_id, bool is_64_
     }
     
     return true;
+}
+
+void ThreadInfo::TryGetStackInfo(Handle debug_handle) {
+    MemoryInfo mi;
+    u32 pi;
+    if (R_FAILED(svcQueryDebugProcessMemory(&mi, &pi, debug_handle, this->context.sp))) {
+        return;
+    }
+    
+    /* Check if sp points into the stack. */
+    if (mi.type == MemType_MappedMemory) {
+        this->stack_bottom = mi.addr;
+        this->stack_top = mi.addr + mi.size;
+        return;
+    }
+    
+    /* It's possible that sp is below the stack... */
+    if (R_FAILED(svcQueryDebugProcessMemory(&mi, &pi, debug_handle, mi.addr + mi.size))) {
+        return;
+    }
+    
+    if (mi.type == MemType_MappedMemory) {
+        this->stack_bottom = mi.addr;
+        this->stack_top = mi.addr + mi.size;
+    }
+}
+
+void ThreadList::ReadThreadsFromProcess(Handle debug_handle, bool is_64_bit) {
+    u32 thread_count;
+    u64 thread_ids[max_thread_count];
+    
+    if (R_FAILED(svcGetThreadList(&thread_count, thread_ids, max_thread_count, debug_handle))) {
+        this->thread_count = 0;
+        return;
+    }
+    
+    if (thread_count > max_thread_count) {
+        thread_count = max_thread_count;
+    }
+    
+    for (unsigned int i = 0; i < thread_count; i++) {
+        if (this->thread_infos[this->thread_count].ReadFromProcess(debug_handle, thread_ids[this->thread_count], is_64_bit)) {
+            this->thread_count++;
+        }
+    }
 }