Add 'neozip/' from commit 'c2712b8a345191f6ed79558c089777df94590087'

git-subtree-dir: neozip
git-subtree-mainline: b1e34e861b5d732afe828d58aad2c638135061fd
git-subtree-split: c2712b8a345191f6ed79558c089777df94590087

1 files changed, 209 insertions, 0 deletions

diff --git a/neozip/zarch.h b/neozip/zarch.h
new file mode 100644
index 0000000000..6fdcfaba55
--- /dev/null
+++ b/neozip/zarch.h
@@ -0,0 +1,209 @@
+/* zarch.h -- Detect compiler architecture and define ARCH_* macros
+ * Copyright (C) 2019 Hans Kristian Rosbach
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+#ifndef ZARCH_H
+#define ZARCH_H
+
+#define ZARCH_STRINGIZE(X) ZARCH_DOSTRINGIZE(X)
+#define ZARCH_DOSTRINGIZE(X) #X
+
+/* ARM64EC defines both _M_ARM64EC and _M_AMD64/_M_X64, so check for ARM first. */
+
+/* ARM 64-bit */
+#if defined(__aarch64__) || defined(__arm64__) || defined(_M_ARM64) || defined(_M_ARM64EC)
+#  define ARCH_ARM
+#  define ARCH_64BIT
+#  define ARCH_NAME "aarch64"
+
+/* ARM 32-bit */
+#elif defined(__arm__) || defined(__arm) || defined(_M_ARM) || defined(__TARGET_ARCH_ARM)
+#  define ARCH_ARM
+#  define ARCH_32BIT
+#  if defined(__ARM64_ARCH_8__) || defined(__ARM_ARCH_8A__) || defined(__ARMv8__) || defined(__ARMv8_A__)
+#    define ARCH_NAME "armv8"
+#  elif defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__)
+#    define ARCH_NAME "armv7"
+#  elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6T2__) || \
+        defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) || \
+        defined(__ARM_ARCH_6M__)
+#    define ARCH_NAME "armv6"
+#  elif defined(__ARM_ARCH_5T__) || defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_5TEJ__)
+#    define ARCH_NAME "armv5"
+#  elif defined(__ARM_ARCH_4T__)
+#    define ARCH_NAME "armv4"
+#  elif defined(__ARM_ARCH_3__)
+#    define ARCH_NAME "armv3"
+#  elif defined(__ARM_ARCH_2__)
+#    define ARCH_NAME "armv2"
+#  else
+#    define ARCH_NAME "arm"
+#  endif
+
+/* x86_64 */
+#elif defined(__x86_64__) || defined(_M_X64)
+#  define ARCH_X86
+#  define ARCH_64BIT
+#  define ARCH_NAME "x86_64"
+
+/* x86 (32-bit) */
+#elif defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || \
+      defined(__i386) || defined(_M_IX86)
+#  define ARCH_X86
+#  define ARCH_32BIT
+#  define ARCH_NAME "i686"
+
+/* PowerPC */
+#elif defined(__powerpc__) || defined(__ppc__) || defined(__PPC__)
+#  define ARCH_POWER
+#  if defined(__64BIT__) || defined(__powerpc64__) || defined(__ppc64__)
+#    define ARCH_64BIT
+#    if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#      define ARCH_NAME "powerpc64le"
+#    else
+#      define ARCH_NAME "powerpc64"
+#    endif
+#  else
+#    define ARCH_32BIT
+#    define ARCH_NAME "powerpc"
+#  endif
+
+/* --------------- Less common architectures alphabetically below --------------- */
+
+/* ALPHA */
+#elif defined(__alpha__) || defined(__alpha)
+#  define ARCH_ALPHA
+#  define ARCH_64BIT
+#  define ARCH_NAME "alpha"
+
+/* Blackfin */
+#elif defined(__BFIN__)
+#  define ARCH_BLACKFIN
+#  define ARCH_32BIT
+#  define ARCH_NAME "blackfin"
+
+/* Itanium */
+#elif defined(__ia64) || defined(_M_IA64)
+#  define ARCH_IA64
+#  define ARCH_64BIT
+#  define ARCH_NAME "ia64"
+
+/* MIPS */
+#elif defined(__mips__) || defined(__mips)
+#  define ARCH_MIPS
+#  if defined(__mips64) || defined(__mips64__)
+#    define ARCH_64BIT
+#    define ARCH_NAME "mips64"
+#  else
+#    define ARCH_32BIT
+#    define ARCH_NAME "mips"
+#  endif
+
+/* Motorola 68000-series */
+#elif defined(__m68k__)
+#  define ARCH_M68K
+#  define ARCH_32BIT
+#  define ARCH_NAME "m68k"
+
+/* SuperH */
+#elif defined(__sh__)
+#  define ARCH_SH
+#  define ARCH_32BIT
+#  define ARCH_NAME "sh"
+
+/* SPARC */
+#elif defined(__sparc__) || defined(__sparc)
+#  define ARCH_SPARC
+#  if defined(__sparcv9) || defined(__sparc_v9__) || defined(__sparc64__)
+#    define ARCH_64BIT
+#    define ARCH_NAME "sparc9"
+#  elif defined(__sparcv8) || defined(__sparc_v8__)
+#    define ARCH_32BIT
+#    define ARCH_NAME "sparc8"
+#  else
+#    define ARCH_32BIT
+#    define ARCH_NAME "sparc"
+#  endif
+
+/* SystemZ / S390 */
+#elif defined(__s390x) || defined(__zarch__)
+#  define ARCH_S390
+#  define ARCH_64BIT
+#  define ARCH_NAME "s390x"
+#elif defined(__s390__)
+#  define ARCH_S390
+#  define ARCH_32BIT
+#  define ARCH_NAME "s390"
+#elif defined(__370__)
+#  define ARCH_S390
+#  define ARCH_32BIT
+#  define ARCH_NAME "s370"
+
+/* PARISC */
+#elif defined(__hppa__)
+#  define ARCH_PARISC
+#  if defined(__hppa64__) || defined(__LP64__)
+#    define ARCH_64BIT
+#    define ARCH_NAME "parisc64"
+#  else
+#    define ARCH_32BIT
+#    define ARCH_NAME "parisc"
+#  endif
+
+/* RS-6000 */
+#elif defined(__THW_RS6000)
+#  define ARCH_RS6000
+#  define ARCH_32BIT
+#  define ARCH_NAME "rs6000"
+
+/* RISC-V */
+#elif defined(__riscv)
+#  define ARCH_RISCV
+#  if __riscv_xlen == 64
+#    define ARCH_64BIT
+#    define ARCH_NAME "riscv64"
+#  elif __riscv_xlen == 32
+#    define ARCH_32BIT
+#    define ARCH_NAME "riscv32"
+#  else
+#    define ARCH_NAME "riscv"
+#  endif
+
+/* LOONGARCH */
+#elif defined(__loongarch_lp64)
+#  define ARCH_LOONGARCH
+#  define ARCH_64BIT
+#  define ARCH_NAME "loongarch64"
+
+/* Emscripten (WebAssembly) */
+#elif defined(__EMSCRIPTEN__)
+#  define ARCH_WASM
+#  if defined(__wasm64__)
+#    define ARCH_64BIT
+#    define ARCH_NAME "wasm64"
+#  else
+#    define ARCH_32BIT
+#    define ARCH_NAME "wasm32"
+#  endif
+
+/* Elbrus 2000 (aka e2k) */
+#elif defined(__e2k__)
+#  define ARCH_E2K
+/* e2k reuse x86 optimizations */
+#  define ARCH_X86
+#  define ARCH_64BIT
+#  define ARCH_NAME "e2k"
+#  define ARCH_VERSION_STR ZARCH_STRINGIZE(__iset__)
+
+/* Unrecognized architecture */
+#else
+#  if defined(__LP64__) || defined(_LP64) || defined(_WIN64)
+#    define ARCH_64BIT
+#  else
+#    define ARCH_32BIT
+#  endif
+#  define ARCH_NAME "unrecognized"
+#endif
+
+#endif /* ZARCH_H */