1 /* SPDX-License-Identifier: LGPL-2.1 OR MIT */ 2 /* 3 * Copyright (C) 2017-2022 Willy Tarreau <w@1wt.eu> 4 */ 5 6 /* Below comes the architecture-specific code. For each architecture, we have 7 * the syscall declarations and the _start code definition. This is the only 8 * global part. On all architectures the kernel puts everything in the stack 9 * before jumping to _start just above us, without any return address (_start 10 * is not a function but an entry point). So at the stack pointer we find argc. 11 * Then argv[] begins, and ends at the first NULL. Then we have envp which 12 * starts and ends with a NULL as well. So envp=argv+argc+1. 13 */ 14 15 #ifndef _NOLIBC_ARCH_H 16 #define _NOLIBC_ARCH_H 17 18 #if defined(__x86_64__) 19 #include "arch-x86_64.h" 20 #elif defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) 21 #include "arch-i386.h" 22 #elif defined(__ARM_EABI__) 23 #include "arch-arm.h" 24 #elif defined(__aarch64__) 25 #include "arch-aarch64.h" 26 #elif defined(__mips__) 27 #include "arch-mips.h" 28 #elif defined(__powerpc__) 29 #include "arch-powerpc.h" 30 #elif defined(__riscv) 31 #include "arch-riscv.h" 32 #elif defined(__s390x__) 33 #include "arch-s390.h" 34 #elif defined(__loongarch__) 35 #include "arch-loongarch.h" 36 #else 37 #error Unsupported Architecture 38 #endif 39 40 #endif /* _NOLIBC_ARCH_H */ 41
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