238 lines
7.7 KiB
C
238 lines
7.7 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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#include <endian.h>
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#include "macro.h"
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#include "util.h"
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/* A cleaned up architecture definition. We don't want to get lost in
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* processor features, models, generations or even ABIs. Hence we
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* focus on general family, and distinguish word width and
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* endianness. */
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enum {
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ARCHITECTURE_X86 = 0,
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ARCHITECTURE_X86_64,
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ARCHITECTURE_PPC,
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ARCHITECTURE_PPC_LE,
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ARCHITECTURE_PPC64,
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ARCHITECTURE_PPC64_LE,
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ARCHITECTURE_IA64,
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ARCHITECTURE_PARISC,
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ARCHITECTURE_PARISC64,
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ARCHITECTURE_S390,
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ARCHITECTURE_S390X,
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ARCHITECTURE_SPARC,
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ARCHITECTURE_SPARC64,
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ARCHITECTURE_MIPS,
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ARCHITECTURE_MIPS_LE,
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ARCHITECTURE_MIPS64,
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ARCHITECTURE_MIPS64_LE,
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ARCHITECTURE_ALPHA,
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ARCHITECTURE_ARM,
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ARCHITECTURE_ARM_BE,
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ARCHITECTURE_ARM64,
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ARCHITECTURE_ARM64_BE,
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ARCHITECTURE_SH,
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ARCHITECTURE_SH64,
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ARCHITECTURE_M68K,
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ARCHITECTURE_TILEGX,
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ARCHITECTURE_CRIS,
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ARCHITECTURE_NIOS2,
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ARCHITECTURE_RISCV32,
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ARCHITECTURE_RISCV64,
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ARCHITECTURE_ARC,
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ARCHITECTURE_ARC_BE,
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_ARCHITECTURE_MAX,
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_ARCHITECTURE_INVALID = -1
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};
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int uname_architecture(void);
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/*
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* LIB_ARCH_TUPLE should resolve to the local library path
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* architecture tuple systemd is built for, according to the Debian
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* tuple list:
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*
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* https://wiki.debian.org/Multiarch/Tuples
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*
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* This is used in library search paths that should understand
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* Debian's paths on all distributions.
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*/
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#if defined(__x86_64__)
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# define native_architecture() ARCHITECTURE_X86_64
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# if defined(__ILP32__)
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# define LIB_ARCH_TUPLE "x86_64-linux-gnux32"
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# else
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# define LIB_ARCH_TUPLE "x86_64-linux-gnu"
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# endif
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# define SECONDARY_ARCHITECTURE ARCHITECTURE_X86
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#elif defined(__i386__)
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# define native_architecture() ARCHITECTURE_X86
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# define LIB_ARCH_TUPLE "i386-linux-gnu"
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#elif defined(__powerpc64__)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define native_architecture() ARCHITECTURE_PPC64
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# define LIB_ARCH_TUPLE "ppc64-linux-gnu"
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# define SECONDARY_ARCHITECTURE ARCHITECTURE_PPC
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# else
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# define native_architecture() ARCHITECTURE_PPC64_LE
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# define LIB_ARCH_TUPLE "powerpc64le-linux-gnu"
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# define SECONDARY_ARCHITECTURE ARCHITECTURE_PPC_LE
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# endif
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#elif defined(__powerpc__)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define native_architecture() ARCHITECTURE_PPC
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# if defined(__NO_FPRS__)
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# define LIB_ARCH_TUPLE "powerpc-linux-gnuspe"
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# else
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# define LIB_ARCH_TUPLE "powerpc-linux-gnu"
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# endif
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# else
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# define native_architecture() ARCHITECTURE_PPC_LE
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# error "Missing LIB_ARCH_TUPLE for PPCLE"
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# endif
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#elif defined(__ia64__)
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# define native_architecture() ARCHITECTURE_IA64
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# define LIB_ARCH_TUPLE "ia64-linux-gnu"
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#elif defined(__hppa64__)
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# define native_architecture() ARCHITECTURE_PARISC64
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# error "Missing LIB_ARCH_TUPLE for HPPA64"
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#elif defined(__hppa__)
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# define native_architecture() ARCHITECTURE_PARISC
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# define LIB_ARCH_TUPLE "hppa‑linux‑gnu"
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#elif defined(__s390x__)
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# define native_architecture() ARCHITECTURE_S390X
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# define LIB_ARCH_TUPLE "s390x-linux-gnu"
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# define SECONDARY_ARCHITECTURE ARCHITECTURE_S390
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#elif defined(__s390__)
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# define native_architecture() ARCHITECTURE_S390
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# define LIB_ARCH_TUPLE "s390-linux-gnu"
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#elif defined(__sparc__) && defined (__arch64__)
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# define native_architecture() ARCHITECTURE_SPARC64
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# define LIB_ARCH_TUPLE "sparc64-linux-gnu"
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#elif defined(__sparc__)
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# define native_architecture() ARCHITECTURE_SPARC
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# define LIB_ARCH_TUPLE "sparc-linux-gnu"
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#elif defined(__mips64) && defined(__LP64__)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define native_architecture() ARCHITECTURE_MIPS64
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# define LIB_ARCH_TUPLE "mips64-linux-gnuabi64"
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# else
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# define native_architecture() ARCHITECTURE_MIPS64_LE
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# define LIB_ARCH_TUPLE "mips64el-linux-gnuabi64"
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# endif
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#elif defined(__mips64)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define native_architecture() ARCHITECTURE_MIPS64
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# define LIB_ARCH_TUPLE "mips64-linux-gnuabin32"
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# else
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# define native_architecture() ARCHITECTURE_MIPS64_LE
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# define LIB_ARCH_TUPLE "mips64el-linux-gnuabin32"
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# endif
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#elif defined(__mips__)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define native_architecture() ARCHITECTURE_MIPS
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# define LIB_ARCH_TUPLE "mips-linux-gnu"
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# else
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# define native_architecture() ARCHITECTURE_MIPS_LE
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# define LIB_ARCH_TUPLE "mipsel-linux-gnu"
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# endif
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#elif defined(__alpha__)
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# define native_architecture() ARCHITECTURE_ALPHA
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# define LIB_ARCH_TUPLE "alpha-linux-gnu"
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#elif defined(__aarch64__)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define native_architecture() ARCHITECTURE_ARM64_BE
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# define LIB_ARCH_TUPLE "aarch64_be-linux-gnu"
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# else
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# define native_architecture() ARCHITECTURE_ARM64
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# define LIB_ARCH_TUPLE "aarch64-linux-gnu"
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# define SECONDARY_ARCHITECTURE ARCHITECTURE_ARM
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# endif
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#elif defined(__arm__)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define native_architecture() ARCHITECTURE_ARM_BE
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# if defined(__ARM_EABI__)
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# if defined(__ARM_PCS_VFP)
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# define LIB_ARCH_TUPLE "armeb-linux-gnueabihf"
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# else
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# define LIB_ARCH_TUPLE "armeb-linux-gnueabi"
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# endif
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# else
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# define LIB_ARCH_TUPLE "armeb-linux-gnu"
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# endif
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# else
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# define native_architecture() ARCHITECTURE_ARM
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# if defined(__ARM_EABI__)
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# if defined(__ARM_PCS_VFP)
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# define LIB_ARCH_TUPLE "arm-linux-gnueabihf"
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# else
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# define LIB_ARCH_TUPLE "arm-linux-gnueabi"
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# endif
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# else
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# define LIB_ARCH_TUPLE "arm-linux-gnu"
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# endif
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# endif
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#elif defined(__sh64__)
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# define native_architecture() ARCHITECTURE_SH64
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# error "Missing LIB_ARCH_TUPLE for SH64"
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#elif defined(__sh__)
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# define native_architecture() ARCHITECTURE_SH
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# if defined(__SH1__)
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# define LIB_ARCH_TUPLE "sh1-linux-gnu"
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# elif defined(__SH2__)
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# define LIB_ARCH_TUPLE "sh2-linux-gnu"
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# elif defined(__SH2A__)
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# define LIB_ARCH_TUPLE "sh2a-linux-gnu"
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# elif defined(__SH2E__)
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# define LIB_ARCH_TUPLE "sh2e-linux-gnu"
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# elif defined(__SH3__)
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# define LIB_ARCH_TUPLE "sh3-linux-gnu"
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# elif defined(__SH3E__)
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# define LIB_ARCH_TUPLE "sh3e-linux-gnu"
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# elif defined(__SH4__) && !defined(__SH4A__)
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# define LIB_ARCH_TUPLE "sh4-linux-gnu"
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# elif defined(__SH4A__)
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# define LIB_ARCH_TUPLE "sh4a-linux-gnu"
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# endif
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#elif defined(__m68k__)
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# define native_architecture() ARCHITECTURE_M68K
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# define LIB_ARCH_TUPLE "m68k-linux-gnu"
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#elif defined(__tilegx__)
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# define native_architecture() ARCHITECTURE_TILEGX
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# define LIB_ARCH_TUPLE "tilegx-linux-gnu"
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#elif defined(__cris__)
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# define native_architecture() ARCHITECTURE_CRIS
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# error "Missing LIB_ARCH_TUPLE for CRIS"
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#elif defined(__nios2__)
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# define native_architecture() ARCHITECTURE_NIOS2
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# define LIB_ARCH_TUPLE "nios2-linux-gnu"
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#elif defined(__riscv__) || defined(__riscv)
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/* __riscv__ is obsolete, remove in 2018 */
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# if __SIZEOF_POINTER__ == 4
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# define native_architecture() ARCHITECTURE_RISCV32
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# define LIB_ARCH_TUPLE "riscv32-linux-gnu"
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# elif __SIZEOF_POINTER__ == 8
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# define native_architecture() ARCHITECTURE_RISCV64
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# define LIB_ARCH_TUPLE "riscv64-linux-gnu"
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# else
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# error "Unrecognized riscv architecture variant"
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# endif
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#elif defined(__arc__)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define native_architecture() ARCHITECTURE_ARC_BE
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# define LIB_ARCH_TUPLE "arceb-linux"
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# else
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# define native_architecture() ARCHITECTURE_ARC
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# define LIB_ARCH_TUPLE "arc-linux"
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# endif
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#else
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# error "Please register your architecture here!"
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#endif
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const char *architecture_to_string(int a) _const_;
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int architecture_from_string(const char *s) _pure_;
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