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[PATCH V5] util/oslib-posix : qemu_init_exec_dir implementation for Mac


From: David CARLIER
Subject: [PATCH V5] util/oslib-posix : qemu_init_exec_dir implementation for Mac
Date: Tue, 16 Jun 2020 19:39:20 +0100

>From 3025a0ce3fdf7d3559fc35a52c659f635f5c750c Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Tue, 26 May 2020 21:35:27 +0100
Subject: [PATCH] util/oslib-posix : qemu_init_exec_dir implementation for Mac

Using dyld API to get the full path of the current process.

Signed-off-by: David Carlier <devnexen@gmail.com>
---
 util/oslib-posix.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 916f1be224..39ddc77c85 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -57,6 +57,10 @@
 #include <lwp.h>
 #endif

+#ifdef __APPLE__
+#include <mach-o/dyld.h>
+#endif
+
 #include "qemu/mmap-alloc.h"

 #ifdef CONFIG_DEBUG_STACK_USAGE
@@ -375,6 +379,17 @@ void qemu_init_exec_dir(const char *argv0)
             p = buf;
         }
     }
+#elif defined(__APPLE__)
+    {
+        char fpath[PATH_MAX];
+        uint32_t len = sizeof(fpath);
+        if (_NSGetExecutablePath(fpath, &len) == 0) {
+            p = realpath(fpath, buf);
+            if (!p) {
+                return;
+            }
+        }
+    }
 #endif
     /* If we don't have any way of figuring out the actual executable
        location then try argv[0].  */
-- 
2.27.0



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