switch C code prefix to NIF

2026-09-03 20:04:20 +08:00
parent 7c7101ee48
commit 41ca31fd9a
51 changed files with 1047 additions and 1030 deletions
@@ -0,0 +1,94 @@
+#ifndef NIF_TARGET
+#define NIF_TARGET
+
+#include "nif_internal.h"
+#include <stdint.h>
+
+#define NIF_OS_WINDOWS 0
+#define NIF_OS_LINUX 1
+#define NIF_OS_MACOS 2
+#define NIF_OS_IOS 3
+#define NIF_OS_ANDROID 4
+#define NIF_OS_UNKNOWN 5
+
+#define NIF_ARCH_X86_64 0
+#define NIF_ARCH_ARM64 1
+#define NIF_ARCH_RISCV64 2
+#define NIF_ARCH_PPC64le 3
+
+#if defined(_M_X64) || defined(_M_AMD64) || defined(__x86_64__) || defined(__amd64__)
+#define NIF_CURRENT_ARCH NIF_ARCH_X86_64
+
+#elif defined(_M_ARM64) || defined(__aarch64__)
+#define NIF_CURRENT_ARCH NIF_ARCH_ARM64
+
+#elif defined(_M_ARM) || defined(__arm__)
+#define NIF_CURRENT_ARCH NIF_ARCH_ARM32
+
+#elif defined(_M_IX86) || defined(__i386__)
+#define NIF_CURRENT_ARCH NIF_ARCH_X86_32
+
+#elif defined(__powerpc64__) && defined(__LITTLE_ENDIAN__)
+#define NIF_CURRENT_ARCH NIF_ARCH_PPC64LE
+
+#elif defined(__riscv) && (__riscv_xlen == 64)
+#define NIF_CURRENT_ARCH NIF_ARCH_RISCV64
+
+#else
+#error "SN: Unsupported target architecture"
+#endif
+
+/*
+ * Target selection policy:
+ * - Default (no NIF_EXTERN_TARGET): fixed Windows + x86_64.
+ * - External (NIF_EXTERN_TARGET): build system must provide NIF_OS and NIF_ARCH.
+ */
+#ifndef NIF_EXTERN_TARGET
+
+#define NIF_OS_TARGET NIF_OS_WINDOWS
+#define NIF_ARCH_TARGET NIF_ARCH_X86_64
+
+#else
+
+#ifndef NIF_OS_TARGET
+#error "NIF_EXTERN_TARGET is defined but NIF_OS is not provided."
+#endif
+
+#ifndef NIF_ARCH_TARGET
+#error "NIF_EXTERN_TARGET is defined but NIF_ARCH is not provided."
+#endif
+
+/* Validate externally supplied values are within known enum constants. */
+#if (NIF_OS_TARGET != NIF_OS_WINDOWS) && (NIF_OS_TARGET != NIF_OS_LINUX) && \
+        (NIF_OS_TARGET != NIF_OS_MACOS) && (NIF_OS_TARGET != NIF_OS_IOS) && \
+        (NIF_OS_TARGET != NIF_OS_ANDROID) && (NIF_OS_TARGET != NIF_OS_UNKNOWN)
+#error "NIF_OS has an invalid value. Use NIF_OS_<...> enum constants."
+#endif
+
+#if (NIF_ARCH_TARGET != NIF_ARCH_X86_64) && (NIF_ARCH_TARGET != NIF_ARCH_ARM64) && \
+        (NIF_ARCH_TARGET != NIF_ARCH_RISCV64) && (NIF_ARCH_TARGET != NIF_ARCH_PPC64le)
+#error "NIF_ARCH has an invalid value. Use NIF_ARCH_<...> enum constants."
+#endif
+
+#endif
+
+#define NIF_IS_OS(os) ((NIF_OS_TARGET) == (os))
+
+#define NIF_IS_ARCH(arch) ((NIF_ARCH_TARGET) == (arch))
+
+/*
+ * Per-function ISA selection is required for runtime-dispatched kernels that
+ * mix multiple x86 feature levels in one build target.
+ */
+#if defined(__clang__) && ((NIF_ARCH_TARGET) == NIF_ARCH_X86_64)
+#define NIF_CLANG_TARGET_ATTR(options) __attribute__((target(options)))
+#else
+#define NIF_CLANG_TARGET_ATTR(options)
+#endif
+
+typedef union SIMDID {
+        uint64_t mask;
+        char make_byte[8];
+} SIMDID;
+
+#endif // NIF_TARGET