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From: Cyril Hrubis <chrubis@suse.cz>
To: Andrea Cervesato <andrea.cervesato@suse.de>
Cc: ltp@lists.linux.it
Subject: Re: [LTP] [PATCH v5 1/3] Refactor regen.sh script to generate syscalls
Date: Wed, 30 Oct 2024 14:47:04 +0100	[thread overview]
Message-ID: <ZyI42B6qhZCf0Qwo@yuki.lan> (raw)
In-Reply-To: <20241030-generate_syscalls-v5-1-eed6a87dc787@suse.com>

Hi!
> +(
> +	echo
> +	echo "/* Common stubs */"
> +	while IFS= read -r arch; do
> +		while IFS= read -r line; do
> +			set -- ${line}
> +			syscall_nr="__NR_$1"
> +			shift
> +
> +			echo "# ifndef ${syscall_nr}"
> +			echo "#  define ${syscall_nr} __LTP__NR_INVALID_SYSCALL"
> +			echo "# endif"
> +		done <"${SCRIPT_DIR}/${arch}.in"
> +	done <${SUPPORTED_ARCH}
> +	echo "#endif"
> +) >>${SYSCALLS_FILE}

This will generate multiple fallback definitions, one per architecture
for common syscall, there was a good reason why these files were parsed
by awk with sort -u

> -echo "#define __LTP__NR_INVALID_SYSCALL -1" >> "${output_pid}"
> -for nr in $(awk '{print $1}' "${srcdir}/"*.in | sort -u) ; do

This is the important part that IMHO should stay.

-- 
Cyril Hrubis
chrubis@suse.cz

-- 
Mailing list info: https://lists.linux.it/listinfo/ltp

  reply	other threads:[~2024-10-30 13:47 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-30  8:52 [LTP] [PATCH v5 0/3] Automatically generate syscalls.h Andrea Cervesato
2024-10-30  8:53 ` [LTP] [PATCH v5 1/3] Refactor regen.sh script to generate syscalls Andrea Cervesato
2024-10-30 13:47   ` Cyril Hrubis [this message]
2024-10-30 14:20     ` Andrea Cervesato via ltp
2024-10-30 17:43       ` Cyril Hrubis
2024-10-30 14:49   ` Petr Vorel
2024-10-30 15:34     ` Andrea Cervesato via ltp
2024-10-30 16:49       ` Petr Vorel
2024-10-30  8:53 ` [LTP] [PATCH v5 2/3] Add script to generate arch(s) dependant syscalls Andrea Cervesato
2024-10-30 14:04   ` Cyril Hrubis
2024-10-30 15:15   ` Petr Vorel
2024-10-30 15:24     ` Andrea Cervesato via ltp
2024-10-30  8:53 ` [LTP] [PATCH v5 3/3] Delete obsolete strip_syscall.awk file Andrea Cervesato
2024-10-30 14:04   ` Cyril Hrubis

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