From 031e5cce385d3f96b1caa1d53495332a7eb03749 Mon Sep 17 00:00:00 2001
From: Steve McIntyre <steve@einval.com>
Date: Tue, 23 Mar 2021 23:49:46 +0000
Subject: New upstream version 15.3

---
 include/system/stdarg.h | 80 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 include/system/stdarg.h

(limited to 'include/system/stdarg.h')

diff --git a/include/system/stdarg.h b/include/system/stdarg.h
new file mode 100644
index 00000000..4c956f70
--- /dev/null
+++ b/include/system/stdarg.h
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+/*
+ * stdarg.h - try to make consistent va_* handling for EFI
+ */
+#ifndef _STDARG_H
+
+/*
+ * clang doesn't know about __builtin_sysv_va_list, apparently.
+ */
+#ifdef __clang__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic warning "-Wcpp"
+typedef __builtin_va_list __builtin_sysv_va_list;
+#warning clang builds may not work at all for anything other than scan-build
+#pragma GCC diagnostic pop
+#endif
+
+#ifndef GNU_EFI_USE_EXTERNAL_STDARG
+#define GNU_EFI_USE_EXTERNAL_STDARG
+#endif
+
+#ifdef SHIM_UNIT_TEST
+#include_next <stdarg.h>
+#endif
+
+#if defined(__aarch64__) || defined(__arm__) || defined(__i386__) || \
+	defined(__i486__) || defined(__i686__)
+
+typedef __builtin_va_list ms_va_list;
+typedef __builtin_va_list __builtin_ms_va_list;
+#define ms_va_copy(dest, start)  __builtin_va_copy(dest, start)
+#define ms_va_start(marker, arg) __builtin_va_start(marker, arg)
+#define ms_va_arg(marker, type)  __builtin_va_arg(marker, type)
+#define ms_va_end(marker)        __builtin_va_end(marker)
+
+typedef __builtin_va_list sysv_va_list;
+#define sysv_va_copy(dest, start)  __builtin_va_copy(dest, start)
+#define sysv_va_start(marker, arg) __builtin_va_start(marker, arg)
+#define sysv_va_arg(marker, type)  __builtin_va_arg(marker, type)
+#define sysv_va_end(marker)        __builtin_va_end(marker)
+/*
+ * OpenSSL's X509ConstructCertificateStack needs this.
+ */
+typedef __builtin_va_list VA_LIST;
+#define VA_COPY(dest, start)  __builtin_va_copy(dest, start)
+#define VA_START(marker, arg) __builtin_va_start(marker, arg)
+#define VA_END(marker)        __builtin_va_end(marker)
+#define VA_ARG(marker, type)  __builtin_va_arg(marker, type)
+
+#elif defined(__x86_64__)
+
+typedef __builtin_ms_va_list ms_va_list;
+#define ms_va_copy(dest, start)  __builtin_ms_va_copy(dest, start)
+#define ms_va_start(marker, arg) __builtin_ms_va_start(marker, arg)
+#define ms_va_arg(marker, type)  __builtin_va_arg(marker, type)
+#define ms_va_end(marker)        __builtin_ms_va_end(marker)
+typedef __builtin_sysv_va_list sysv_va_list;
+#define sysv_va_copy(dest, start)  __builtin_sysv_va_copy(dest, start)
+#define sysv_va_start(marker, arg) __builtin_sysv_va_start(marker, arg)
+#define sysv_va_arg(marker, type)  __builtin_va_arg(marker, type)
+#define sysv_va_end(marker)        __builtin_sysv_va_end(marker)
+/*
+ * OpenSSL's X509ConstructCertificateStack needs this.
+ */
+typedef __builtin_ms_va_list VA_LIST;
+#define VA_COPY(dest, start)  __builtin_ms_va_copy(dest, start)
+#define VA_START(marker, arg) __builtin_ms_va_start(marker, arg)
+#define VA_END(marker)        __builtin_ms_va_end(marker)
+#define VA_ARG(marker, type)  __builtin_va_arg(marker, type)
+
+#else
+#error what arch is this
+#endif
+
+#ifndef _STDARG_H
+#define _STDARG_H
+#endif /* !_STDARG_H #2 */
+
+#endif /* !_STDARG_H */
+// vim:fenc=utf-8:tw=75:noet
-- 
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