Fix ildasm to be run without specifying the full path

Using the fixed version of GetEntrypointExecutableAbsolutePath when the
program name on the command line does not reflect an actual file on disk
(case when a program is launched by finding it in the PATH). This should fix
issue#3190.

1 files changed, 15 insertions, 5 deletions

diff --git a/src/ildasm/unixcoreclrloader/coreclrloader.cpp b/src/ildasm/unixcoreclrloader/coreclrloader.cpp
index 4cb7cf367d..11c5bd4d10 100644
--- a/src/ildasm/unixcoreclrloader/coreclrloader.cpp
+++ b/src/ildasm/unixcoreclrloader/coreclrloader.cpp
@@ -3,6 +3,7 @@
 // See the LICENSE file in the project root for more information.
 
 #include <stdio.h>
+#include <assert.h>
 #include "dlfcn.h"
 #include "coreclrloader.h"
 #include "coreruncommon.h"
@@ -11,12 +12,15 @@ using namespace std;
 void *CoreCLRLoader::LoadFunction(const char *funcName)
 {
     void *func = nullptr;
-    if (coreclrLib == nullptr) {
+    if (coreclrLib == nullptr)
+    {
         fprintf(stderr, "Error: coreclr should be loaded before loading a function: %s\n", funcName);
     }
-    else {
+    else
+    {
         func = dlsym(coreclrLib, funcName);
-        if (func == nullptr) {
+        if (func == nullptr)
+        {
             fprintf(stderr, "Error: cannot find %s in coreclr\n", funcName);
         }
     }
@@ -26,7 +30,12 @@ void *CoreCLRLoader::LoadFunction(const char *funcName)
 CoreCLRLoader* CoreCLRLoader::Create(const char *exePath)
 {
     string absolutePath, coreClrPath;
-    GetAbsolutePath(exePath, absolutePath);
+    bool success = GetAbsolutePath(exePath, absolutePath);
+    if (!success)
+    {
+        success = GetEntrypointExecutableAbsolutePath(absolutePath);
+        assert(success);
+    }
     GetDirectory(absolutePath.c_str(), coreClrPath);
     coreClrPath.append("/");
     coreClrPath.append(coreClrDll);
@@ -63,7 +72,8 @@ CoreCLRLoader* CoreCLRLoader::Create(const char *exePath)
 
 int CoreCLRLoader::Finish()
 {
-  if (hostHandle != 0) {
+  if (hostHandle != 0)
+  {
       shutdownCoreCLR(hostHandle, domainId);
       delete this;
   }