Andreas Sandberg has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/15977
Change subject: sim: Prepare C++ side for Python 3
......................................................................
sim: Prepare C++ side for Python 3
Python 3 uses wide strings instead of ordinary strings for many
APIs. Add the necessary conversions to comply with the new API.
Change-Id: I6f45c9c532537d50d54b542f34eb8fd8cb375874
Signed-off-by: Andreas Sandberg <andreas.sandb...@arm.com>
---
M src/sim/init.cc
M src/sim/main.cc
2 files changed, 26 insertions(+), 1 deletion(-)
diff --git a/src/sim/init.cc b/src/sim/init.cc
index 5061289..66ec408 100644
--- a/src/sim/init.cc
+++ b/src/sim/init.cc
@@ -51,6 +51,7 @@
#include <iostream>
#include <list>
#include <string>
+#include <vector>
#include "base/cprintf.hh"
#include "base/logging.hh"
@@ -249,7 +250,7 @@
* main function.
*/
int
-m5Main(int argc, char **argv)
+m5Main(int argc, char **_argv)
{
#if HAVE_PROTOBUF
// Verify that the version of the protobuf library that we linked
@@ -258,6 +259,23 @@
GOOGLE_PROTOBUF_VERIFY_VERSION;
#endif
+
+#if PY_MAJOR_VERSION >= 3
+ typedef std::unique_ptr<wchar_t[], decltype(&PyMem_RawFree)> WArgUPtr;
+ std::vector<WArgUPtr> v_argv;
+ std::vector<wchar_t *> vp_argv;
+ v_argv.reserve(argc);
+ vp_argv.reserve(argc);
+ for (int i = 0; i < argc; i++) {
+ v_argv.emplace_back(Py_DecodeLocale(_argv[i], NULL),
&PyMem_RawFree);
+ vp_argv.emplace_back(v_argv.back().get());
+ }
+
+ wchar_t **argv = vp_argv.data();
+#else
+ char **argv = _argv;
+#endif
+
PySys_SetArgv(argc, argv);
// We have to set things up in the special __main__ module
diff --git a/src/sim/main.cc b/src/sim/main.cc
index 48b1592..a77c5f5 100644
--- a/src/sim/main.cc
+++ b/src/sim/main.cc
@@ -45,7 +45,14 @@
// Initialize m5 special signal handling.
initSignals();
+#if PY_MAJOR_VERSION >= 3
+ std::unique_ptr<wchar_t[], decltype(&PyMem_RawFree)> program(
+ Py_DecodeLocale(argv[0], NULL),
+ &PyMem_RawFree);
+ Py_SetProgramName(program.get());
+#else
Py_SetProgramName(argv[0]);
+#endif
// initialize embedded Python interpreter
Py_Initialize();
--
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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: I6f45c9c532537d50d54b542f34eb8fd8cb375874
Gerrit-Change-Number: 15977
Gerrit-PatchSet: 1
Gerrit-Owner: Andreas Sandberg <andreas.sandb...@arm.com>
Gerrit-MessageType: newchange
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