Re: [edk2-devel] [PATCH v2 6/6] RedfishPkg/RedfishCrtLib: fix unresolved external symbol issue

["Igor Kulchytskyy via groups.io" <igork=ami.com@groups.io>]

Reviewed-by: Igor Kulchytskyy <igork@ami.com>

-----Original Message-----
From: Nickle Wang <nicklew@nvidia.com>
Sent: Thursday, February 22, 2024 4:12 AM
To: devel@edk2.groups.io
Cc: Abner Chang <abner.chang@amd.com>; Igor Kulchytskyy <igork@ami.com>; Nick Ramirez <nramirez@nvidia.com>
Subject: [EXTERNAL] [PATCH v2 6/6] RedfishPkg/RedfishCrtLib: fix unresolved external symbol issue


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-Fix below compiler error reported in edk2 CI.
ERROR - Linker #2001 from JsonLib.lib(load.obj) : unresolved external
symbol __ftol2
-The file MathFtol.c is copied from IntrinsicLib in CryptoPkg.
-Add MathFtol.c to EccCheck IgnoreFiles.

Signed-off-by: Nickle Wang <nicklew@nvidia.com>
Cc: Abner Chang <abner.chang@amd.com>
Cc: Igor Kulchytskyy <igork@ami.com>
Cc: Nick Ramirez <nramirez@nvidia.com>
---
 .../RedfishCrtLib/RedfishCrtLib.inf           |  7 +++-
 .../RedfishCrtLib/Ia32/MathFtol.c             | 37 +++++++++++++++++++
 RedfishPkg/RedfishPkg.ci.yaml                 |  2 +
 3 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 RedfishPkg/PrivateLibrary/RedfishCrtLib/Ia32/MathFtol.c

diff --git a/RedfishPkg/PrivateLibrary/RedfishCrtLib/RedfishCrtLib.inf b/RedfishPkg/PrivateLibrary/RedfishCrtLib/RedfishCrtLib.inf
index 6ff5dba75c..3a5e309d1a 100644
--- a/RedfishPkg/PrivateLibrary/RedfishCrtLib/RedfishCrtLib.inf
+++ b/RedfishPkg/PrivateLibrary/RedfishCrtLib/RedfishCrtLib.inf
@@ -3,6 +3,7 @@
 #
 # Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
 # (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
+# Copyright (c) 2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 #
 #    SPDX-License-Identifier: BSD-2-Clause-Patent
 #
@@ -23,6 +24,9 @@
 [Sources]
   RedfishCrtLib.c

+[Sources.IA32]
+  Ia32/MathFtol.c           | MSFT
+
 [LibraryClasses]
   BaseLib
   SortLib
@@ -35,4 +39,5 @@
   MdeModulePkg/MdeModulePkg.dec
   RedfishPkg/RedfishPkg.dec

-
+[BuildOptions]
+  MSFT:*_*_IA32_CC_FLAGS = /GL-
diff --git a/RedfishPkg/PrivateLibrary/RedfishCrtLib/Ia32/MathFtol.c b/RedfishPkg/PrivateLibrary/RedfishCrtLib/Ia32/MathFtol.c
new file mode 100644
index 0000000000..e49f00eaf5
--- /dev/null
+++ b/RedfishPkg/PrivateLibrary/RedfishCrtLib/Ia32/MathFtol.c
@@ -0,0 +1,37 @@
+/** @file This file is copied from CryptoPkg/Library/IntrinsicLib/Ia32/MathFtol.c
+  64-bit Math Worker Function.
+  The 32-bit versions of C compiler generate calls to library routines
+  to handle 64-bit math. These functions use non-standard calling conventions.
+
+Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+/*
+ * Floating point to integer conversion.
+ */
+__declspec(naked) void
+_ftol2 (
+  void
+  )
+{
+  _asm {
+    fistp qword ptr [esp-8]
+    mov   edx, [esp-4]
+    mov   eax, [esp-8]
+    ret
+  }
+}
+
+__declspec(naked) void
+_ftol2_sse (
+  void
+  )
+{
+  _asm {
+    fistp dword ptr [esp-4]
+    mov   eax,[esp-4]
+    ret
+  }
+}
diff --git a/RedfishPkg/RedfishPkg.ci.yaml b/RedfishPkg/RedfishPkg.ci.yaml
index 69b6bf39f5..b95e8bfdc7 100644
--- a/RedfishPkg/RedfishPkg.ci.yaml
+++ b/RedfishPkg/RedfishPkg.ci.yaml
@@ -2,6 +2,7 @@
 # CI configuration for NetworkPkg
 #
 # (C) Copyright 2021 Hewlett Packard Enterprise Development LP<BR>
+# Copyright (c) 2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: BSD-2-Clause-Patent
 ##
 {
@@ -38,6 +39,7 @@
             "PrivateInclude/Crt/string.h",
             "PrivateInclude/Crt/time.h",
             "PrivateLibrary/RedfishCrtLib/RedfishCrtLib.c",
+            "PrivateLibrary/RedfishCrtLib/Ia32/MathFtol.c",
             "Include/Library/RedfishCrtLib.h",
             ##
             ## For jansson library open source
--
2.34.1

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