4dd3c95940
Some architectures have symbol prefixes and set CONFIG_SYMBOL_PREFIX, but this wasn't taken into account by the generic cond_syscall. It's easy enough to fix in a generic fashion, so add the symbol prefix to symbol names in cond_syscall when CONFIG_SYMBOL_PREFIX is set. Signed-off-by: James Hogan <james.hogan@imgtec.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Mike Frysinger <vapier@gentoo.org>
32 lines
829 B
C
32 lines
829 B
C
#include <uapi/asm-generic/unistd.h>
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/*
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* These are required system calls, we should
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* invert the logic eventually and let them
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* be selected by default.
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*/
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#if __BITS_PER_LONG == 32
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#define __ARCH_WANT_STAT64
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#define __ARCH_WANT_SYS_LLSEEK
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#endif
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#define __ARCH_WANT_SYS_RT_SIGACTION
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#define __ARCH_WANT_SYS_RT_SIGSUSPEND
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#define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
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/*
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* "Conditional" syscalls
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*
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* What we want is __attribute__((weak,alias("sys_ni_syscall"))),
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* but it doesn't work on all toolchains, so we just do it by hand
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*/
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#ifndef cond_syscall
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#ifdef CONFIG_SYMBOL_PREFIX
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#define __SYMBOL_PREFIX CONFIG_SYMBOL_PREFIX
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#else
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#define __SYMBOL_PREFIX
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#endif
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#define cond_syscall(x) asm(".weak\t" __SYMBOL_PREFIX #x "\n\t" \
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".set\t" __SYMBOL_PREFIX #x "," \
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__SYMBOL_PREFIX "sys_ni_syscall")
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#endif
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