================
@@ -139,8 +177,53 @@ FileSpec HostInfoPosix::GetDefaultShell() {
return FileSpec("/bin/sh");
}
+FileSpec HostInfoPosix::GetProgramFileSpec() {
+ static FileSpec g_program_filespec;
+
+ if (!g_program_filespec) {
+ char exe_path[PATH_MAX];
+ ssize_t len = readlink("/proc/self/exe", exe_path, sizeof(exe_path) - 1);
+ if (len > 0) {
+ exe_path[len] = 0;
+ g_program_filespec.SetFile(exe_path, FileSpec::Style::native);
+ }
+ }
+
+ return g_program_filespec;
+}
----------------
labath wrote:
You should be able to call the function "virtually" as
`HostInfo::GetProgramFileSpec()` even though it's implemented only in the
derived class. All of the functions in `HostInfoBase` do that, so I don't see
why that wouldn't work here.
https://github.com/llvm/llvm-project/pull/119694
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