Willy Tarreau 35635d7fa6 tools/nolibc: Emit detailed error for missing alternate syscall number definitions ... Some syscalls can be implemented from different __NR_* variants. For example, sys_dup2() can be implemented based on __NR_dup3 or __NR_dup2. In this case it is useful to mention both alternatives in error messages when neither are detected. This information will help the user search for the right one (e.g __NR_dup3) instead of just the fallback (__NR_dup2) which might not exist on the platform. This is a port of nolibc's upstream commit a21080d2ba41 to the Linux kernel. Suggested-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/lkml/20210120145447.GC77728@C02TD0UTHF1T.local/ Tested-by: Valentin Schneider <valentin.schneider@arm.com> Tested-by: Mark Rutland <mark.rutland@arm.com> [arm64] Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>		2021-01-21 10:06:45 -08:00
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nolibc.h	tools/nolibc: Emit detailed error for missing alternate syscall number definitions	2021-01-21 10:06:45 -08:00