From f66156b3d1f46c0491dfba04cff4bb75c9d72adf Mon Sep 17 00:00:00 2001
From: Anhad Singh <andypython@protonmail.com>
Date: Tue, 14 Jul 2026 16:51:43 +1000
Subject: [PATCH] feat(ld.so): specify dynamic list

Signed-off-by: Anhad Singh <andypython@protonmail.com>
---
 Makefile   | 8 ++++++--
 dynlst.txt | 5 +++++
 2 files changed, 11 insertions(+), 2 deletions(-)
 create mode 100644 dynlst.txt

diff --git a/Makefile b/Makefile
index c7c2967a5b..9752c14058 100644
--- a/Makefile
+++ b/Makefile
@@ -147,8 +147,12 @@ $(BUILD)/$(PROFILE)/libc.so: $(BUILD)/$(PROFILE)/libc.a
 		-o $@
 
 $(BUILD)/$(PROFILE)/ld.so: $(BUILD)/$(PROFILE)/ld_so.o $(BUILD)/$(PROFILE)/libc.a
-	# TODO: merge ld.so with libc.so: --dynamic-list=dynamic-list-file
-	$(LD) --shared -Bsymbolic --no-relax -T ld_so/ld_script/$(TARGET).ld --gc-sections $^ -o $@
+	# Specifying a dynamic list makes all non-local `STV_DEFAULT`
+	# definitions non-preemptible, except for the symbols listed in
+	# `dynlst.txt`. So, the symbols defined in `dynlst.txt` may be
+	# interposed by other definitions at runtime (either from the
+	# executable or some shared library).
+	$(LD) --shared --whole-archive --dynamic-list=dynlst.txt $^ -o $@
 
 $(BUILD)/$(PROFILE)/libc.a: $(BUILD)/$(PROFILE)/librelibc.a $(BUILD)/openlibm/libopenlibm.a
 	echo "create $@" > "$@.mri"
diff --git a/dynlst.txt b/dynlst.txt
new file mode 100644
index 0000000000..464ef44fa9
--- /dev/null
+++ b/dynlst.txt
@@ -0,0 +1,5 @@
+{
+stdin;
+stdout;
+stderr;
+};