From ff7a4d8ceba41d37cd787df5ac99de57bc4b69ef Mon Sep 17 00:00:00 2001
From: pbalcer <piotr.balcer@intel.com>
Date: Fri, 3 Nov 2023 11:29:55 +0100
Subject: [PATCH] automatically generate linker version script for adapter
 libraries

---
 scripts/generate_code.py              | 21 +++++++++++++++++++++
 scripts/templates/adapter.def.in.mako | 11 +++++++++++
 scripts/templates/adapter.map.in.mako | 14 ++++++++++++++
 source/adapters/adapter.def.in        |  6 +++---
 source/adapters/adapter.map.in        |  6 +++---
 5 files changed, 52 insertions(+), 6 deletions(-)
 create mode 100644 scripts/templates/adapter.def.in.mako
 create mode 100644 scripts/templates/adapter.map.in.mako

diff --git a/scripts/generate_code.py b/scripts/generate_code.py
index a6436f2a0a..9c427c3780 100644
--- a/scripts/generate_code.py
+++ b/scripts/generate_code.py
@@ -315,6 +315,25 @@ def _mako_info_hpp(path, namespace, tags, version, specs, meta):
         specs=specs,
         meta=meta)
 
+"""
+Entry-point:
+    generates linker version scripts
+"""
+def _mako_linker_scripts(path, ext, namespace, tags, version, specs, meta):
+    name = "adapter"
+    filename = f"{name}.{ext}.in"
+    fin = os.path.join(templates_dir, f"{filename}.mako")
+    fout = os.path.join(path, filename)
+    print("Generating %s..." % fout)
+    return util.makoWrite(
+        fin, fout,
+        name=name,
+        ver=version,
+        namespace=namespace,
+        tags=tags,
+        specs=specs,
+        meta=meta)
+
 """
 Entry-point:
     generates lib code
@@ -349,6 +368,8 @@ def generate_adapters(path, section, namespace, tags, version, specs, meta):
 
     loc = 0
     loc += _mako_null_adapter_cpp(dstpath, namespace, tags, version, specs, meta)
+    loc += _mako_linker_scripts(dstpath, "map", namespace, tags, version, specs, meta)
+    loc += _mako_linker_scripts(dstpath, "def", namespace, tags, version, specs, meta)
     print("Generated %s lines of code.\n"%loc)
 
 """
diff --git a/scripts/templates/adapter.def.in.mako b/scripts/templates/adapter.def.in.mako
new file mode 100644
index 0000000000..7304682440
--- /dev/null
+++ b/scripts/templates/adapter.def.in.mako
@@ -0,0 +1,11 @@
+<%!
+import re
+from templates import helper as th
+%><%
+    n=namespace
+%>\
+LIBRARY @TARGET_LIBNAME@
+EXPORTS
+%for tbl in th.get_pfntables(specs, meta, n, tags):
+	${tbl['export']['name']}
+%endfor
diff --git a/scripts/templates/adapter.map.in.mako b/scripts/templates/adapter.map.in.mako
new file mode 100644
index 0000000000..d03871f867
--- /dev/null
+++ b/scripts/templates/adapter.map.in.mako
@@ -0,0 +1,14 @@
+<%!
+import re
+from templates import helper as th
+%><%
+    n=namespace
+%>\
+@TARGET_LIBNAME@ {
+	global:
+%for tbl in th.get_pfntables(specs, meta, n, tags):
+		${tbl['export']['name']};
+%endfor
+	local:
+		*;
+};
diff --git a/source/adapters/adapter.def.in b/source/adapters/adapter.def.in
index bfe14a6a03..de0b4fa8ee 100644
--- a/source/adapters/adapter.def.in
+++ b/source/adapters/adapter.def.in
@@ -1,12 +1,11 @@
 LIBRARY @TARGET_LIBNAME@
 EXPORTS
+	urGetGlobalProcAddrTable
 	urGetBindlessImagesExpProcAddrTable
 	urGetCommandBufferExpProcAddrTable
 	urGetContextProcAddrTable
-	urGetDeviceProcAddrTable
 	urGetEnqueueProcAddrTable
 	urGetEventProcAddrTable
-	urGetGlobalProcAddrTable
 	urGetKernelProcAddrTable
 	urGetMemProcAddrTable
 	urGetPhysicalMemProcAddrTable
@@ -14,7 +13,8 @@ EXPORTS
 	urGetProgramProcAddrTable
 	urGetQueueProcAddrTable
 	urGetSamplerProcAddrTable
+	urGetUSMProcAddrTable
 	urGetUSMExpProcAddrTable
 	urGetUsmP2PExpProcAddrTable
-	urGetUSMProcAddrTable
 	urGetVirtualMemProcAddrTable
+	urGetDeviceProcAddrTable
diff --git a/source/adapters/adapter.map.in b/source/adapters/adapter.map.in
index cbb5c6c4cb..4379e1f7de 100644
--- a/source/adapters/adapter.map.in
+++ b/source/adapters/adapter.map.in
@@ -1,12 +1,11 @@
 @TARGET_LIBNAME@ {
 	global:
+		urGetGlobalProcAddrTable;
 		urGetBindlessImagesExpProcAddrTable;
 		urGetCommandBufferExpProcAddrTable;
 		urGetContextProcAddrTable;
-		urGetDeviceProcAddrTable;
 		urGetEnqueueProcAddrTable;
 		urGetEventProcAddrTable;
-		urGetGlobalProcAddrTable;
 		urGetKernelProcAddrTable;
 		urGetMemProcAddrTable;
 		urGetPhysicalMemProcAddrTable;
@@ -14,10 +13,11 @@
 		urGetProgramProcAddrTable;
 		urGetQueueProcAddrTable;
 		urGetSamplerProcAddrTable;
+		urGetUSMProcAddrTable;
 		urGetUSMExpProcAddrTable;
 		urGetUsmP2PExpProcAddrTable;
-		urGetUSMProcAddrTable;
 		urGetVirtualMemProcAddrTable;
+		urGetDeviceProcAddrTable;
 	local:
 		*;
 };