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