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Diffstat (limited to 'lib/Support/Unix/Path.inc')
-rw-r--r--lib/Support/Unix/Path.inc30
1 files changed, 24 insertions, 6 deletions
diff --git a/lib/Support/Unix/Path.inc b/lib/Support/Unix/Path.inc
index fa28ba1b6ab6a..cdea09be41e04 100644
--- a/lib/Support/Unix/Path.inc
+++ b/lib/Support/Unix/Path.inc
@@ -103,13 +103,16 @@
#define STATVFS_F_FLAG(vfs) (vfs).f_flags
#endif
+#if defined(__FreeBSD__) || defined(__NetBSD__)
+#include <sys/sysctl.h>
+#endif
+
using namespace llvm;
namespace llvm {
namespace sys {
namespace fs {
-#if defined(__FreeBSD__) || defined (__NetBSD__) || defined(__Bitrig__) || \
- defined(__OpenBSD__) || defined(__minix) || defined(__FreeBSD_kernel__) || \
+#if defined(__Bitrig__) || defined(__OpenBSD__) || defined(__minix) || \
defined(__linux__) || defined(__CYGWIN__) || defined(__DragonFly__) || \
defined(_AIX)
static int
@@ -164,7 +167,7 @@ getprogpath(char ret[PATH_MAX], const char *bin)
free(pv);
return nullptr;
}
-#endif // __FreeBSD__ || __NetBSD__ || __FreeBSD_kernel__
+#endif // Bitrig || OpenBSD || minix || linux || CYGWIN || DragonFly || AIX
/// GetMainExecutable - Return the path to the main executable, given the
/// value of argv[0] from program startup.
@@ -180,9 +183,24 @@ std::string getMainExecutable(const char *argv0, void *MainAddr) {
if (realpath(exe_path, link_path))
return link_path;
}
-#elif defined(__FreeBSD__) || defined (__NetBSD__) || defined(__Bitrig__) || \
- defined(__OpenBSD__) || defined(__minix) || defined(__DragonFly__) || \
- defined(__FreeBSD_kernel__) || defined(_AIX)
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__)
+ int mib[4];
+ mib[0] = CTL_KERN;
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+ mib[1] = KERN_PROC;
+ mib[2] = KERN_PROC_PATHNAME;
+ mib[3] = -1;
+#else
+ mib[1] = KERN_PROC_ARGS;
+ mib[2] = -1;
+ mib[3] = KERN_PROC_PATHNAME;
+#endif
+ char exe_path[PATH_MAX];
+ size_t cb = sizeof(exe_path);
+ if (sysctl(mib, 4, exe_path, &cb, NULL, 0) == 0)
+ return exe_path;
+#elif defined(__Bitrig__) || defined(__OpenBSD__) || defined(__minix) || \
+ defined(__DragonFly__) || defined(_AIX)
char exe_path[PATH_MAX];
if (getprogpath(exe_path, argv0) != NULL)