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v261
src/basic/architecture.h
251 строка
8 KB
Daan De Meyer
Introduce support for running code in fibers
21 май 2026, 12:55
21 май 2026, 12:55
8533513
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/* SPDX-License-Identifier: LGPL-2.1-or-later */ #pragma once #include <endian.h> #include "basic-forward.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. */ typedef enum Architecture { ARCHITECTURE_ALPHA, ARCHITECTURE_ARC, ARCHITECTURE_ARC_BE, ARCHITECTURE_ARM, ARCHITECTURE_ARM64, ARCHITECTURE_ARM64_BE, ARCHITECTURE_ARM_BE, ARCHITECTURE_CRIS, ARCHITECTURE_IA64, ARCHITECTURE_LOONGARCH64, ARCHITECTURE_M68K, ARCHITECTURE_MIPS, ARCHITECTURE_MIPS64, ARCHITECTURE_MIPS64_LE, ARCHITECTURE_MIPS_LE, ARCHITECTURE_NIOS2, ARCHITECTURE_PARISC, ARCHITECTURE_PARISC64, ARCHITECTURE_PPC, ARCHITECTURE_PPC64, ARCHITECTURE_PPC64_LE, ARCHITECTURE_PPC_LE, ARCHITECTURE_RISCV32, ARCHITECTURE_RISCV64, ARCHITECTURE_S390, ARCHITECTURE_S390X, ARCHITECTURE_SH, ARCHITECTURE_SH64, ARCHITECTURE_SPARC, ARCHITECTURE_SPARC64, ARCHITECTURE_TILEGX, ARCHITECTURE_X86, ARCHITECTURE_X86_64, _ARCHITECTURE_MAX, _ARCHITECTURE_INVALID = -EINVAL, } Architecture; Architecture 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 ARCHITECTURE_SECONDARY 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 ARCHITECTURE_SECONDARY ARCHITECTURE_PPC # else # define native_architecture() ARCHITECTURE_PPC64_LE # define LIB_ARCH_TUPLE "powerpc64le-linux-gnu" # define ARCHITECTURE_SECONDARY 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 ARCHITECTURE_SECONDARY 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 ARCHITECTURE_SECONDARY 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(__loongarch_lp64) # define native_architecture() ARCHITECTURE_LOONGARCH64 # if defined(__loongarch_double_float) # define LIB_ARCH_TUPLE "loongarch64-linux-gnu" # elif defined(__loongarch_single_float) # define LIB_ARCH_TUPLE "loongarch64-linux-gnuf32" # elif defined(__loongarch_soft_float) # define LIB_ARCH_TUPLE "loongarch64-linux-gnusf" # else # error "Unrecognized loongarch architecture variant" # 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) # 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 #if defined(__hppa__) || defined(__hppa64__) # define STACK_GROWS_UP 1 #else # define STACK_GROWS_UP 0 #endif DECLARE_STRING_TABLE_LOOKUP(architecture, Architecture);