[mc] Remote unwinding support

[simgrid.git] / src / mc / mc_process.h

diff --git a/src/mc/mc_process.h b/src/mc/mc_process.h
index 9825fed..f5fd69f 100644 (file)
--- a/src/mc/mc_process.h
+++ b/src/mc/mc_process.h
@@ -8,6 +8,7 @@
 #define MC_PROCESS_H
 
 #include <stdbool.h>
+#include <sys/types.h>
 
 #include "simgrid_config.h"
 
@@ -25,6 +26,8 @@
 
 SG_BEGIN_DECL()
 
+int MC_process_vm_open(pid_t pid, int flags);
+
 typedef enum {
   MC_PROCESS_NO_FLAG = 0,
   MC_PROCESS_SELF_FLAG = 1,
@@ -75,8 +78,31 @@ struct s_mc_process {
    *  use `MC_process_get_malloc_info` in order to use it.
    */
   malloc_info* heap_info;
+
+  // ***** Libunwind-data
+
+  /** Full-featured MC-aware libunwind address space for the process
+   *
+   *  This address space is using a mc_unw_context_t
+   *  (with mc_process_t/mc_address_space_t and unw_context_t).
+   */
+  unw_addr_space_t unw_addr_space;
+
+  /** Underlying libunwind addres-space
+   *
+   *  The `find_proc_info`, `put_unwind_info`, `get_dyn_info_list_addr`
+   *  operations of the native MC address space is currently delegated
+   *  to this address space (either the local or a ptrace unwinder).
+   */
+  unw_addr_space_t unw_underlying_addr_space;
+
+  /** The corresponding context
+   */
+  void* unw_underlying_context;
 };
 
+bool MC_is_process(mc_address_space_t p);
+
 void MC_process_init(mc_process_t process, pid_t pid);
 void MC_process_clear(mc_process_t process);