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v261
src/basic/architecture.c
177 строк
7 KB
Daan De Meyer
basic + fundamental: Clean up includes
25 май 2025, 11:06
25 май 2025, 11:06
0c15577
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/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include <sys/utsname.h> #include "architecture.h" #include "string-table.h" #include "string-util.h" Architecture uname_architecture(void) { /* Return a sanitized enum identifying the architecture we are running on. This * is based on uname(), and the user may hence control what this returns by using * personality(). This puts the user in control on systems that can run binaries * of multiple architectures. * * We do not translate the string returned by uname() 1:1. Instead we try to * clean it up and break down the confusion on x86 and arm in particular. * * We try to distinguish CPUs, not CPU features, i.e. actual architectures that * have genuinely different code. */ static const struct { const char *machine; Architecture arch; } arch_map[] = { #if defined(__aarch64__) || defined(__arm__) { "aarch64", ARCHITECTURE_ARM64 }, { "aarch64_be", ARCHITECTURE_ARM64_BE }, { "armv8l", ARCHITECTURE_ARM }, { "armv8b", ARCHITECTURE_ARM_BE }, { "armv7ml", ARCHITECTURE_ARM }, { "armv7mb", ARCHITECTURE_ARM_BE }, { "armv7l", ARCHITECTURE_ARM }, { "armv7b", ARCHITECTURE_ARM_BE }, { "armv6l", ARCHITECTURE_ARM }, { "armv6b", ARCHITECTURE_ARM_BE }, { "armv5tl", ARCHITECTURE_ARM }, { "armv5tel", ARCHITECTURE_ARM }, { "armv5tejl", ARCHITECTURE_ARM }, { "armv5tejb", ARCHITECTURE_ARM_BE }, { "armv5teb", ARCHITECTURE_ARM_BE }, { "armv5tb", ARCHITECTURE_ARM_BE }, { "armv4tl", ARCHITECTURE_ARM }, { "armv4tb", ARCHITECTURE_ARM_BE }, { "armv4l", ARCHITECTURE_ARM }, { "armv4b", ARCHITECTURE_ARM_BE }, #elif defined(__alpha__) { "alpha" , ARCHITECTURE_ALPHA }, #elif defined(__arc__) { "arc", ARCHITECTURE_ARC }, { "arceb", ARCHITECTURE_ARC_BE }, #elif defined(__cris__) { "crisv32", ARCHITECTURE_CRIS }, #elif defined(__i386__) || defined(__x86_64__) { "x86_64", ARCHITECTURE_X86_64 }, { "i686", ARCHITECTURE_X86 }, { "i586", ARCHITECTURE_X86 }, { "i486", ARCHITECTURE_X86 }, { "i386", ARCHITECTURE_X86 }, #elif defined(__ia64__) { "ia64", ARCHITECTURE_IA64 }, #elif defined(__hppa__) || defined(__hppa64__) { "parisc64", ARCHITECTURE_PARISC64 }, { "parisc", ARCHITECTURE_PARISC }, #elif defined(__loongarch_lp64) { "loongarch64", ARCHITECTURE_LOONGARCH64 }, #elif defined(__m68k__) { "m68k", ARCHITECTURE_M68K }, #elif defined(__mips__) || defined(__mips64__) { "mips64", ARCHITECTURE_MIPS64 }, { "mips", ARCHITECTURE_MIPS }, #elif defined(__nios2__) { "nios2", ARCHITECTURE_NIOS2 }, #elif defined(__powerpc__) || defined(__powerpc64__) { "ppc64le", ARCHITECTURE_PPC64_LE }, { "ppc64", ARCHITECTURE_PPC64 }, { "ppcle", ARCHITECTURE_PPC_LE }, { "ppc", ARCHITECTURE_PPC }, #elif defined(__riscv) { "riscv64", ARCHITECTURE_RISCV64 }, { "riscv32", ARCHITECTURE_RISCV32 }, # if __SIZEOF_POINTER__ == 4 { "riscv", ARCHITECTURE_RISCV32 }, # elif __SIZEOF_POINTER__ == 8 { "riscv", ARCHITECTURE_RISCV64 }, # endif #elif defined(__s390__) || defined(__s390x__) { "s390x", ARCHITECTURE_S390X }, { "s390", ARCHITECTURE_S390 }, #elif defined(__sh__) || defined(__sh64__) { "sh5", ARCHITECTURE_SH64 }, { "sh4a", ARCHITECTURE_SH }, { "sh4", ARCHITECTURE_SH }, { "sh3", ARCHITECTURE_SH }, { "sh2a", ARCHITECTURE_SH }, { "sh2", ARCHITECTURE_SH }, #elif defined(__sparc__) { "sparc64", ARCHITECTURE_SPARC64 }, { "sparc", ARCHITECTURE_SPARC }, #elif defined(__tilegx__) { "tilegx", ARCHITECTURE_TILEGX }, #else # error "Please register your architecture here!" #endif }; static Architecture cached = _ARCHITECTURE_INVALID; struct utsname u; if (cached != _ARCHITECTURE_INVALID) return cached; assert_se(uname(&u) >= 0); FOREACH_ELEMENT(entry, arch_map) if (streq(entry->machine, u.machine)) return cached = entry->arch; assert_not_reached(); return _ARCHITECTURE_INVALID; } /* Maintain same order as in the table above. */ static const char *const architecture_table[_ARCHITECTURE_MAX] = { [ARCHITECTURE_ARM64] = "arm64", [ARCHITECTURE_ARM64_BE] = "arm64-be", [ARCHITECTURE_ARM] = "arm", [ARCHITECTURE_ARM_BE] = "arm-be", [ARCHITECTURE_ALPHA] = "alpha", [ARCHITECTURE_ARC] = "arc", [ARCHITECTURE_ARC_BE] = "arc-be", [ARCHITECTURE_CRIS] = "cris", [ARCHITECTURE_X86_64] = "x86-64", [ARCHITECTURE_X86] = "x86", [ARCHITECTURE_IA64] = "ia64", [ARCHITECTURE_LOONGARCH64] = "loongarch64", [ARCHITECTURE_M68K] = "m68k", [ARCHITECTURE_MIPS64_LE] = "mips64-le", [ARCHITECTURE_MIPS64] = "mips64", [ARCHITECTURE_MIPS_LE] = "mips-le", [ARCHITECTURE_MIPS] = "mips", [ARCHITECTURE_NIOS2] = "nios2", [ARCHITECTURE_PARISC64] = "parisc64", [ARCHITECTURE_PARISC] = "parisc", [ARCHITECTURE_PPC64_LE] = "ppc64-le", [ARCHITECTURE_PPC64] = "ppc64", [ARCHITECTURE_PPC] = "ppc", [ARCHITECTURE_PPC_LE] = "ppc-le", [ARCHITECTURE_RISCV32] = "riscv32", [ARCHITECTURE_RISCV64] = "riscv64", [ARCHITECTURE_S390X] = "s390x", [ARCHITECTURE_S390] = "s390", [ARCHITECTURE_SH64] = "sh64", [ARCHITECTURE_SH] = "sh", [ARCHITECTURE_SPARC64] = "sparc64", [ARCHITECTURE_SPARC] = "sparc", [ARCHITECTURE_TILEGX] = "tilegx", }; DEFINE_STRING_TABLE_LOOKUP(architecture, Architecture);