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- /* Copyright (C) 2005 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #include <sys/syscall.h>
- /* In the EABI syscall interface, we don't need a special syscall to
- implement syscall(). It won't work reliably with 64-bit arguments
- (but that is true on many modern platforms). */
- .text
- .global syscall
- .type syscall,%function
- .align 4
- syscall:
- mov ip, sp
- stmfd sp!, {r4, r5, r6, r7}
- mov r7, r0
- mov r0, r1
- mov r1, r2
- mov r2, r3
- ldmfd ip, {r3, r4, r5, r6}
- swi 0x0
- ldmfd sp!, {r4, r5, r6, r7}
- cmn r0, #4096
- #if defined(__USE_BX__)
- bxcc lr
- #else
- movcc pc, lr
- #endif
- b __syscall_error
- .size syscall,.-syscall
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