Last change
on this file since 474 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
910 bytes
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Rev | Line | |
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[444] | 1 | /** Linux startup code for the ARM processor. |
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| 2 | * Written by Shaun Jackman <sjackman@gmail.com>. |
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| 3 | * Copyright 2006 Pathway Connectivity |
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| 4 | * |
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| 5 | * Permission to use, copy, modify, and distribute this software |
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| 6 | * is freely granted, provided that this notice is preserved. |
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| 7 | */ |
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| 8 | |
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| 9 | #include <stdlib.h> |
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| 10 | #include <unistd.h> |
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| 11 | #include "arm.h" |
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| 12 | |
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| 13 | static int _main(int argc, char *argv[]) __attribute__((noreturn)); |
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| 14 | |
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| 15 | #if __thumb__ && !defined(PREFER_THUMB) |
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| 16 | asm("\n" |
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| 17 | ".code 32\n" |
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| 18 | ".global _start\n" |
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| 19 | ".type _start, %function\n" |
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| 20 | "_start:\n" |
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| 21 | "\tldr r0, .LC0\n" |
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| 22 | "\tbx r0\n" |
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| 23 | ".LC0:\n" |
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| 24 | "\t.word _start_thumb\n" |
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| 25 | ".size _start, .-_start\n"); |
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| 26 | |
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| 27 | __attribute__((naked, used)) |
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| 28 | static void _start_thumb(void) |
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| 29 | #else |
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| 30 | __attribute__((naked)) |
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| 31 | void _start(void) |
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| 32 | #endif |
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| 33 | { |
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| 34 | register int *sp asm("sp"); |
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| 35 | _main(*sp, (char **)(sp + 1)); |
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| 36 | } |
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| 37 | |
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| 38 | static int _main(int argc, char *argv[]) |
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| 39 | { |
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| 40 | environ = argv + argc + 1; |
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| 41 | exit(main(argc, argv, environ)); |
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| 42 | } |
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