summaryrefslogtreecommitdiff
path: root/inc/AEEVaList.h
diff options
context:
space:
mode:
Diffstat (limited to 'inc/AEEVaList.h')
-rw-r--r--inc/AEEVaList.h112
1 files changed, 112 insertions, 0 deletions
diff --git a/inc/AEEVaList.h b/inc/AEEVaList.h
new file mode 100644
index 0000000..1ed8476
--- /dev/null
+++ b/inc/AEEVaList.h
@@ -0,0 +1,112 @@
+/**
+ * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef AEEVALIST_H
+#define AEEVALIST_H
+
+#if !defined(__clang__) && (defined(__ARMCC_VERSION) || (defined(__GNUC__) && defined(__arm__)))
+
+
+
+#if (defined(__ARMCC_VERSION) && __ARMCC_VERSION >= 200000 && !defined(__APCS_ADSABI)) || \
+ (defined(__GNUC__) && defined(__arm__) && defined(__ARM_EABI__))
+
+# define __AEEVA_ATPCS 0
+
+#else
+
+# define __AEEVA_ATPCS 1
+
+#endif
+
+typedef void* AEEVaList;
+
+#define __AEEVA_ARGALIGN(t) (((char*)(&((struct{char c;t x;}*)1)->x))-((char*)1))
+#define __AEEVA_ARGSIZE(t) ((sizeof(t)+sizeof(int)-1) & ~(sizeof(int)-1))
+
+static __inline void __cpy(char*d, const char*s, int len)
+{
+ while (len-- > 0) *d++ = *s++;
+}
+
+static __inline AEEVaList __AEEVa_Arg(AEEVaList args, void* pv, int nVSize,
+ int nArgSize, int nArgAlign)
+{
+ int nArgs = (int)args & ~1;
+ char* pcArgs = (char*)args;
+ int bATPCS = (int)args & 1;
+ int nArgsOffset = 0;
+ int nVOffset = 0;
+
+ if (!bATPCS) { /* caller was compiled with AAPCS */
+
+ if (nArgAlign > (int)sizeof(int)) {
+ nArgAlign--; /* make a mask */
+ pcArgs += ((nArgs + nArgAlign) & (int)~(unsigned)nArgAlign) - nArgs;
+ /* move pv to next alignment */
+ }
+ }
+
+#if defined(AEE_BIGENDIAN)
+ if (nArgSize < (int)sizeof(int)) {
+ nArgsOffset = (int)sizeof(int) - nArgSize;
+ }
+ nVOffset = nVSize - nArgSize;
+#else
+ (void)nVSize;
+#endif /* AEE_BIGENDIAN */
+
+ __cpy((char*)pv + nVOffset, (pcArgs - bATPCS) + nArgsOffset, nArgSize);
+
+ /* round up */
+ nArgSize = (nArgSize+(int)sizeof(int)-1) & ~((int)sizeof(int)-1);
+
+ return pcArgs + nArgSize; /* increment va */
+}
+
+#define AEEVA_START(va,v) ((va) = (char*)&(v) + __AEEVA_ARGSIZE(v) + __AEEVA_ATPCS)
+#define AEEVA_ARG(va,v,t) ((void)((va) = __AEEVa_Arg(va,&v,sizeof(v),sizeof(t),__AEEVA_ARGALIGN(t))))
+#define AEEVA_END(va) ((va) = (AEEVaList)0)
+#define AEEVA_COPY(dest, src) ((void)((dest) = (src)))
+
+#else /* !defined(__clang__) && (defined(__ARMCC_VERSION) || (defined(__GNUC__) && defined(__arm__))) */
+
+#include <stdarg.h>
+
+typedef va_list AEEVaList;
+
+#define AEEVA_START(va,v) (va_start((va), (v)))
+#define AEEVA_ARG(va,v,t) ((v) = va_arg((va),t))
+#define AEEVA_END(va) (va_end((va)))
+#define AEEVA_COPY(dest, src) (va_copy((dest),(src)))
+
+#endif/* !defined(__clang__) && (defined(__ARMCC_VERSION) || (defined(__GNUC__) && defined(__arm__))) */
+
+#endif /* #ifndef AEEVALIST_H */
+