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Mono: Runtime main args and assembly search fixes 

- Setup runtime main args during initialization. This must be done manually by embedders who do not call mono_runtime_run_main. Fixes NullReferenceException in System.Environment.
- Continue to search the assembly in the rest of the search locations if loading it from one of them failed.

(cherry picked from commit fa1d656af4)
This commit is contained in:
Ignacio Etcheverry 2018-03-18 23:02:06 +01:00 committed by Hein-Pieter van Braam
parent 6472d8c7d4
commit bfc94dd4c9
2 changed files with 42 additions and 15 deletions
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31
modules/mono/mono_gd/gd_mono.cpp
View File

@ -74,7 +74,31 @@ void gdmono_MonoPrintCallback(const char *string, mono_bool is_stdout) {
GDMono *GDMono::singleton = NULL;
namespace {
void setup_runtime_main_args() {
CharString execpath = OS::get_singleton()->get_executable_path().utf8();
List<String> cmdline_args = OS::get_singleton()->get_cmdline_args();
List<CharString> cmdline_args_utf8;
Vector<char *> main_args;
main_args.resize(cmdline_args.size() + 1);
main_args[0] = execpath.ptrw();
int i = 1;
for (List<String>::Element *E = cmdline_args.front(); E; E = E->next()) {
CharString &stored = cmdline_args_utf8.push_back(E->get().utf8())->get();
main_args[i] = stored.ptrw();
i++;
}
mono_runtime_set_main_args(main_args.size(), main_args.ptrw());
}
#ifdef DEBUG_ENABLED
static bool _wait_for_debugger_msecs(uint32_t p_msecs) {
do {
@ -96,9 +120,7 @@ static bool _wait_for_debugger_msecs(uint32_t p_msecs) {
return mono_is_debugger_attached();
}
#endif
#ifdef DEBUG_ENABLED
void gdmono_debug_init() {
mono_debug_init(MONO_DEBUG_FORMAT_MONO);
@ -125,8 +147,11 @@ void gdmono_debug_init() {
};
mono_jit_parse_options(2, (char **)options);
}
#endif
} // namespace
void GDMono::initialize() {
ERR_FAIL_NULL(Engine::get_singleton());
@ -179,6 +204,8 @@ void GDMono::initialize() {
GDMonoUtils::set_main_thread(GDMonoUtils::get_current_thread());
setup_runtime_main_args(); // Required for System.Environment.GetCommandLineArgs
runtime_initialized = true;
OS::get_singleton()->print("Mono: Runtime initialized\n");

16
modules/mono/mono_gd/gd_mono_assembly.cpp
View File

@ -85,18 +85,21 @@ MonoAssembly *GDMonoAssembly::_search_hook(MonoAssemblyName *aname, void *user_d
path = search_dir.plus_file(name);
if (FileAccess::exists(path)) {
res = _load_assembly_from(name.get_basename(), path, refonly);
if (res != NULL)
break;
}
} else {
path = search_dir.plus_file(name + ".dll");
if (FileAccess::exists(path)) {
res = _load_assembly_from(name, path, refonly);
if (res != NULL)
break;
}
path = search_dir.plus_file(name + ".exe");
if (FileAccess::exists(path)) {
res = _load_assembly_from(name, path, refonly);
if (res != NULL)
break;
}
}
@ -151,18 +154,14 @@ MonoAssembly *GDMonoAssembly::_preload_hook(MonoAssemblyName *aname, char **asse
path = search_dir.plus_file(name);
if (FileAccess::exists(path)) {
res = _load_assembly_from(name.get_basename(), path, refonly);
if (res != NULL)
break;
}
} else {
path = search_dir.plus_file(name + ".dll");
if (FileAccess::exists(path)) {
res = _load_assembly_from(name, path, refonly);
break;
}
path = search_dir.plus_file(name + ".exe");
if (FileAccess::exists(path)) {
res = _load_assembly_from(name, path, refonly);
if (res != NULL)
break;
}
}
@ -212,14 +211,15 @@ Error GDMonoAssembly::load(bool p_refonly) {
String image_filename(path);
MonoImageOpenStatus status;
MonoImageOpenStatus status = MONO_IMAGE_OK;
image = mono_image_open_from_data_with_name(
(char *)&data[0], data.size(),
true, &status, refonly,
image_filename.utf8().get_data());
ERR_FAIL_COND_V(status != MONO_IMAGE_OK || image == NULL, ERR_FILE_CANT_OPEN);
ERR_FAIL_COND_V(status != MONO_IMAGE_OK, ERR_FILE_CANT_OPEN);
ERR_FAIL_NULL_V(image, ERR_FILE_CANT_OPEN);
#ifdef DEBUG_ENABLED
String pdb_path(path + ".pdb");