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avr32: wire up preadv2 and pwritev2 syscalls

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This patch wires up the new preadv2 and pwritev2 syscall on AVR32.

On AVR32, all parameters beyond the 5th are passed on the stack. System
calls don't use the stack -- they borrow a callee-saved register
instead. This means that syscalls that take 6 parameters must be called
through a stub that pushes the last parameter on the stack.

Signed-off-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
This commit is contained in:
Hans-Christian Noren Egtvedt
2016-05-29 21:11:53 +02:00
parent 523d939ef9
commit 389ce5a961
3 changed files with 22 additions and 0 deletions
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2
arch/avr32/include/uapi/asm/unistd.h
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@@ -338,5 +338,7 @@
#define __NR_membarrier 323
#define __NR_mlock2 324
#define __NR_copy_file_range 325
#define __NR_preadv2 326
#define __NR_pwritev2 327
#endif /* _UAPI__ASM_AVR32_UNISTD_H */