Update copyright lines for 2022.

[simgrid.git] / src / mc / inspect / mc_unw_vmread.cpp

diff --git a/src/mc/inspect/mc_unw_vmread.cpp b/src/mc/inspect/mc_unw_vmread.cpp
index 9601c0e..ac8d259 100644 (file)
--- a/src/mc/inspect/mc_unw_vmread.cpp
+++ b/src/mc/inspect/mc_unw_vmread.cpp
@@ -1,10 +1,10 @@
-/* Copyright (c) 2015-2020. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2015-2022. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "src/mc/inspect/mc_unw.hpp"
-#include "src/mc/remote/RemoteClient.hpp"
+#include "src/mc/remote/RemoteProcess.hpp"
 
 #include <sys/types.h>
 #include <sys/uio.h>
@@ -57,17 +57,17 @@ static int access_mem(const unw_addr_space_t as, const unw_word_t addr, unw_word
       return -UNW_EINVAL;
     else
       return 0;
-  }
-  if (s < 0 && errno != ENOSYS)
+  } else if (errno != ENOSYS) {
     return -UNW_EINVAL;
+  }
 #endif
 
   // /proc/${pid}/mem implementation.
   // On recent kernels, we do not need to ptrace the target process.
   // On older kernels, it is necessary to ptrace the target process.
   size_t count = size;
-  off_t off    = (off_t)addr;
-  char* buf    = (char*)valp;
+  auto off     = static_cast<off_t>(addr);
+  auto* buf    = reinterpret_cast<char*>(valp);
   int fd       = simgrid::mc::open_vm(pid, O_RDONLY);
   if (fd < 0)
     return -UNW_EINVAL;
@@ -94,25 +94,24 @@ static int access_mem(const unw_addr_space_t as, const unw_word_t addr, unw_word
 namespace simgrid {
 namespace unw {
 
-/** Virtual table for our `libunwind-process_vm_readv` implementation.
- *
- *  This implementation reuse most the code of `libunwind-ptrace` but
- *  does not use ptrace() to read the target process memory by
- *  `process_vm_readv()` or `/dev/${pid}/mem` if possible.
- *
- *  Does not support any MC-specific behavior (privatization, snapshots)
- *  and `ucontext_t`.
- *
- *  It works with `void*` contexts allocated with `_UPT_create(pid)`.
- */
-// TODO, we could get rid of this if we properly stop the model-checked
-// process before reading the memory.
-static unw_accessors_t accessors = {&_UPT_find_proc_info, &_UPT_put_unwind_info, &_UPT_get_dyn_info_list_addr,
-                                    &access_mem,          &_UPT_access_reg,      &_UPT_access_fpreg,
-                                    &_UPT_resume,         &_UPT_get_proc_name};
-
 unw_addr_space_t create_addr_space()
 {
+  /** Virtual table for our `libunwind-process_vm_readv` implementation.
+   *
+   *  This implementation reuse most the code of `libunwind-ptrace` but
+   *  does not use ptrace() to read the target process memory by
+   *  `process_vm_readv()` or `/dev/${pid}/mem` if possible.
+   *
+   *  Does not support any MC-specific behavior (privatization, snapshots)
+   *  and `ucontext_t`.
+   *
+   *  It works with `void*` contexts allocated with `_UPT_create(pid)`.
+   */
+  // TODO, we could get rid of this if we properly stop the model-checked
+  // process before reading the memory.
+  unw_accessors_t accessors = {&_UPT_find_proc_info, &_UPT_put_unwind_info, &_UPT_get_dyn_info_list_addr,
+                               &access_mem,          &_UPT_access_reg,      &_UPT_access_fpreg,
+                               &_UPT_resume,         &_UPT_get_proc_name};
   return unw_create_addr_space(&accessors, BYTE_ORDER);
 }