efi-boot-shim/include/system/stdarg.h
2022-04-27 22:41:59 +01:00

81 lines
2.8 KiB
C

// 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__) || defined(__COVERITY__)
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