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ARM/Thumb interworking support

This commit is contained in:
rearnsha 2008-03-15 10:46:24 +00:00
parent d14160690e
commit 00f0061ae9
1 changed files with 21 additions and 4 deletions
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25
lib/csu/arm32/crt0.c
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@ -1,4 +1,4 @@
/* $NetBSD: crt0.c,v 1.11 2005/12/24 21:54:43 perry Exp $ */
/* $NetBSD: crt0.c,v 1.12 2008/03/15 10:46:24 rearnsha Exp $ */
/*
* Copyright (C) 1997 Mark Brinicombe
@ -37,6 +37,16 @@
#include "common.h"
#if defined (_ARM_ARCH_6) || defined (__ARM_ARCH_5__) || \
defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5TE__) || \
defined (__ARM_ARCH_5TEJ__)
#define _ARM_ARCH_5
#endif
#if defined (_ARM_ARCH_5) || defined (__ARM_ARCH_4T__)
#define _ARM_ARCH_4T
#endif
#undef mmap
#define mmap(addr, len, prot, flags, fd, off) \
__syscall(SYS_mmap, (addr), (len), (prot), (flags), \
@ -69,7 +79,7 @@ Lps_strings:
");
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: crt0.c,v 1.11 2005/12/24 21:54:43 perry Exp $");
__RCSID("$NetBSD: crt0.c,v 1.12 2008/03/15 10:46:24 rearnsha Exp $");
#endif /* LIBC_SCCS and not lint */
void
@ -130,8 +140,15 @@ __asm("
___syscall:
swi 0
mvncs r0, #0
mov pc, lr
");
"
#ifdef _ARM_ARCH_4T
" bx lr
"
#else
" mov pc, lr
"
#endif
);
#endif /* DYNAMIC */
#include "common.c"