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From: Willy Tarreau <w@1wt.eu>
To: Ammar Faizi <ammarfaizi2@gnuweeb.org>
Cc: "Paul E. McKenney" <paulmck@kernel.org>,
	Alviro Iskandar Setiawan <alviro.iskandar@gnuweeb.org>,
	Nugraha <richiisei@gmail.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	GNU/Weeb Mailing List <gwml@vger.gnuweeb.org>,
	llvm@lists.linux.dev
Subject: Re: [RFC PATCH v1 2/6] tools/nolibc: Make the entry point not weak for clang
Date: Sun, 20 Mar 2022 20:16:19 +0100	[thread overview]
Message-ID: <20220320191619.GA27312@1wt.eu> (raw)
In-Reply-To: <20220320093750.159991-3-ammarfaizi2@gnuweeb.org>

Hi Ammar,

I've had a look at this one.

On Sun, Mar 20, 2022 at 04:37:46PM +0700, Ammar Faizi wrote:
> Budilig with clang yields the following error:
  ^^^^^^^
BTW please fix the typo in the final commit message.

> @@ -183,7 +183,9 @@ struct sys_stat_struct {
>  
>  /* startup code */
>  asm(".section .text\n"
> +#if !defined(__clang__)
>      ".weak _start\n"
> +#endif
>      ".global _start\n"
>      "_start:\n"

So it seems that I was wrong and that .weak is an alternate for .global
and not a complement. As such, instead of adding all these #if, please
simply remove all .global.

Thanks!
Willy

  reply	other threads:[~2022-03-20 19:16 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-20  9:37 [RFC PATCH v1 0/6] Add dynamic memory allocator support for nolibc Ammar Faizi
2022-03-20  9:37 ` [RFC PATCH v1 1/6] tools/nolibc: x86-64: Update System V ABI document link Ammar Faizi
2022-03-20  9:37 ` [RFC PATCH v1 2/6] tools/nolibc: Make the entry point not weak for clang Ammar Faizi
2022-03-20 19:16   ` Willy Tarreau [this message]
2022-03-21 11:38     ` Ammar Faizi
2022-03-21 17:27       ` Nick Desaulniers
2022-03-20  9:37 ` [RFC PATCH v1 3/6] tools/nolibc: i386: Implement syscall with 6 arguments Ammar Faizi
2022-03-20 10:33   ` Alviro Iskandar Setiawan
2022-03-20 10:42     ` Alviro Iskandar Setiawan
2022-03-20 15:09       ` Ammar Faizi
2022-03-20 13:10   ` David Laight
2022-03-20 14:01     ` Willy Tarreau
2022-03-20 15:04     ` Ammar Faizi
2022-03-20 18:22       ` David Laight
2022-03-20  9:37 ` [RFC PATCH v1 4/6] tools/nolibc/sys: Implement `mmap()` and `munmap()` Ammar Faizi
2022-03-20  9:37 ` [RFC PATCH v1 5/6] tools/nolibc/stdlib: Implement `malloc()`, `calloc()`, `realloc()` and `free()` Ammar Faizi
2022-03-20 15:50   ` Alviro Iskandar Setiawan
2022-03-20 16:10     ` Ammar Faizi
2022-03-20 16:16   ` Willy Tarreau
2022-03-20 16:36     ` Ammar Faizi
2022-03-20 16:46       ` Willy Tarreau
2022-03-20  9:37 ` [RFC PATCH v1 6/6] tools/include/string: Implement `strdup()` and `strndup()` Ammar Faizi
2022-03-20 15:55   ` Alviro Iskandar Setiawan
2022-03-20 16:10     ` Ammar Faizi
2022-03-21  7:53   ` Willy Tarreau
2022-03-21  8:16     ` Alviro Iskandar Setiawan
2022-03-21  8:51       ` Willy Tarreau
2022-03-21 11:36     ` Ammar Faizi
2022-03-21 11:43       ` Willy Tarreau

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