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-rw-r--r--hurd/translator/procfs/jkoenig/discussion.mdwn14
1 files changed, 14 insertions, 0 deletions
diff --git a/hurd/translator/procfs/jkoenig/discussion.mdwn b/hurd/translator/procfs/jkoenig/discussion.mdwn
index e71ea02b..aded4225 100644
--- a/hurd/translator/procfs/jkoenig/discussion.mdwn
+++ b/hurd/translator/procfs/jkoenig/discussion.mdwn
@@ -218,6 +218,20 @@ Needed by glibc's `pldd` tool (commit
[[!message-id "alpine.LFD.2.02.1110111111260.2016@akari"]]. Needed by glibc's
`stdlib/tst-secure-getenv.c`.
+Is it generally possible to use something like the following instead?
+Disadvantage is that every program using this needs to be patched.
+
+ #include <dlfcn.h>
+ [...]
+ Dl_info DLInfo;
+ int err = dladdr(&main, &DLInfo);
+ if (err == 0)
+ [...]
+ /* Pathname of shared object that contains address: DLInfo.dli_fname. */
+ /* Filter it through realpath. */
+
+This is used in `[LLVM]/lib/Support/Unix/Path.inc`.
+
# `/proc/[PID]/fd/`