The underlying type of most builtin types (size_t, int32_t, ...), as
well as their size, the endianness and other parameters are platform
dependent. The minimal is to have these parameters correct on the
native machine.
Use the diffrent predefined macros to detect the native machine.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
machine.h | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
create mode 100644 machine.h
diff --git a/machine.h b/machine.h
new file mode 100644
index 000000000..a01cdc207
--- /dev/null
+++ b/machine.h
@@ -0,0 +1,54 @@
+#ifndef MACHINE_H
+#define MACHINE_H
+
+enum machine {
+ MACH_ARM,
+ MACH_ARM64,
+ MACH_I386,
+ MACH_X86_64,
+ MACH_MIPS32,
+ MACH_MIPS64,
+ MACH_PPC32,
+ MACH_PPC64,
+ MACH_RISCV32,
+ MACH_RISCV64,
+ MACH_SPARC32,
+ MACH_SPARC64,
+ MACH_M68K,
+ MACH_S390X,
+ MACH_UNKNOWN
+};
+
+#if defined(__aarch64__)
+#define MACH_NATIVE MACH_ARM64
+#elif defined(__arm__)
+#define MACH_NATIVE MACH_ARM
+#elif defined(__x86_64__) || defined(__x86_64)
+#define MACH_NATIVE MACH_X86_64
+#elif defined(__i386__) || defined(__i386)
+#define MACH_NATIVE MACH_I386
+#elif defined(__mips64__) || (defined(__mips) && __mips == 64)
+#define MACH_NATIVE MACH_MIPS64
+#elif defined(__mips__) || defined(__mips)
+#define MACH_NATIVE MACH_MIPS32
+#elif defined(__powerpc64__) || defined(__ppc64__)
+#define MACH_NATIVE MACH_PPC64
+#elif defined(__powerpc__) || defined(__powerpc) || defined(__ppc__)
+#define MACH_NATIVE MACH_PPC32
+#elif defined(__riscv) && (__riscv_xlen == 64)
+#define MACH_NATIVE MACH_RISCV64
+#elif defined(__riscv) && (__riscv_xlen == 32)
+#define MACH_NATIVE MACH_RISCV32
+#elif defined(__sparc_v9__)
+#define MACH_NATIVE MACH_SPARC64
+#elif defined(__sparc__) || defined(__sparc)
+#define MACH_NATIVE MACH_SPARC32
+#elif defined(__m68k__)
+#define MACH_NATIVE MACH_68K
+#elif defined(__s390x__) || defined(__zarch__)
+#define MACH_NATIVE MACH_S390X
+#else
+#define MACH_NATIVE MACH_UNKNOWN
+#endif
+
+#endif
--
2.19.2
