From 22d27936b3d771a36b170b1f4b4ba58badbf3971 Mon Sep 17 00:00:00 2001
From: "Luke T. Shumaker" <lukeshu@lukeshu.com>
Date: Tue, 10 Dec 2024 02:12:39 -0700
Subject: Get lib9p building on rp2040

---
 build-aux/stack.c.gen | 48 +++++++++++++++++++++---------------------------
 1 file changed, 21 insertions(+), 27 deletions(-)

(limited to 'build-aux')

diff --git a/build-aux/stack.c.gen b/build-aux/stack.c.gen
index 86bca26..2ce874d 100755
--- a/build-aux/stack.c.gen
+++ b/build-aux/stack.c.gen
@@ -164,8 +164,7 @@ def analyze(
                                         f"unexpected label value {repr(v)}"
                                     )
                                 if m.group("usage_kind") == "dynamic":
-                                    pass
-                                    #raise ValueError(f"can't handle dynamic stack usage: {repr(elem.attrs.get("title", ""))}")
+                                    print(f"// warning: can't handle dynamic stack usage: {repr(elem.attrs.get("title", ""))}")
                                 node.location = m.group("location")
                                 node.nstatic = int(m.group("nstatic"))
                                 node.ndynamic = int(m.group("ndynamic"))
@@ -264,32 +263,31 @@ def analyze(
         )
 
     for grp_name, grp_filter in app_func_filters.items():
-        namelen = max(
-            [len(app_location_xform(name)) for name in graph if grp_filter(name)]
-            + [len(grp_name) + 4]
-        )
-        numlen = max(len(str(nstatic(name))) for name in graph if name.endswith("_cr"))
-        sep1 = ("=" * namelen) + " " + "=" * numlen
-        sep2 = ("-" * namelen) + " " + "-" * numlen
-
-        print("= " + grp_name + " " + sep1[len(grp_name) + 3 :])
-
+        # Gather the data.
         nmax = 0
         nsum = 0
+        rows: dict[str, int] = {}
         for funcname in graph:
             if grp_filter(funcname):
                 n = nstatic(funcname)
-                print(
-                    f"{app_location_xform(funcname).ljust(namelen)} {str(n).rjust(numlen)}"
-                )
+                rows[app_location_xform(funcname)] = n
                 if n > nmax:
                     nmax = n
                 nsum += n
 
+        # Figure sizes.
+        namelen = max([len(k) for k in rows.keys()] + [len(grp_name) + 4])
+        numlen = len(str(nsum))
+        sep1 = ("=" * namelen) + " " + "=" * numlen
+        sep2 = ("-" * namelen) + " " + "-" * numlen
+
+        # Print.
+        print("= " + grp_name + " " + sep1[len(grp_name) + 3 :])
+        for name, num in rows.items():
+            print(f"{name.ljust(namelen)} {str(num).rjust(numlen)}")
         print(sep2)
         print(f"{'Total'.ljust(namelen)} {str(nsum).rjust(numlen)}")
         print(f"{'Maximum'.ljust(namelen)} {str(nmax).rjust(numlen)}")
-
         print(sep1)
 
     for funcname in sorted(missing):
@@ -326,7 +324,7 @@ def main(
     re_call_other = re.compile(r"(?P<func>[^(]+)\(.*")
 
     all_nodes: list[Node] = []
-    hooks_is_intrhandler: list[typing.Callable([str], bool)] = []
+    hooks_is_intrhandler: list[typing.Callable[[str], bool]] = []
     hooks_indirect_callees: list[typing.Callable[[str, str], list[str] | None]] = []
     hooks_skip_call: list[typing.Callable[[list[str], str], bool]] = []
 
@@ -379,7 +377,11 @@ def main(
     hooks_indirect_callees += [sbc_indirect_callees]
 
     def sbc_is_thread(name: str) -> bool:
-        return name.endswith("_cr") or name == "main"
+        if name.endswith("_cr") and name != "lib9p_srv_read_cr":
+            return True
+        if name == "main":
+            return True
+        return False
 
     def sbc_is_intrhandler(name: str) -> bool:
         return name in [
@@ -403,8 +405,6 @@ def main(
             and any(c.endswith(":__assert_msg_fail") for c in chain[:-1])
         ):
             return True
-        if call == "_cr_select_dequeue":  # TODO: FIXME
-            return True
         return False
 
     hooks_skip_call += [sbc_skip_call]
@@ -645,13 +645,6 @@ def main(
 
         hooks_indirect_callees += [tud_indirect_callees]
 
-        def tud_skip_call(chain: list[str], call: str) -> bool:
-            if call == "usbd_app_driver_get_cb":  # TODO: FIXME
-                return True
-            return False
-
-        hooks_skip_call += [tud_skip_call]
-
     # newlib #########################################################
 
     if arg_pico_platform == "rp2040":
@@ -671,6 +664,7 @@ def main(
             synthetic_node("memcpy", 0),  # TODO
             synthetic_node("memset", 0),  # TODO
             synthetic_node("strlen", 0),  # TODO
+            synthetic_node("strnlen", 0),  # TODO
             synthetic_node("strncpy", 0),  # TODO
             # other
             synthetic_node("random", 0),  # TODO
-- 
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