From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on gnuweeb.org X-Spam-Level: X-Spam-Status: No, score=-1.2 required=5.0 tests=ALL_TRUSTED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,URIBL_BLOCKED, URIBL_DBL_BLOCKED_OPENDNS autolearn=ham autolearn_force=no version=3.4.6 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gnuweeb.org; s=default; t=1693633881; bh=adKYv+UWCAtL6RnGzj9nIBJ/HQrhFBvKNcQpOXq1TGU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=lVAKBh4PEvXzamNP7IgFYjyUlSSIHtsv+itkbldEfvOGPycWYZcQ1nY4WLXOWcF9N UUj0TiGlFnWC5Mgwqmu+yvEfZMceFCEcjur4g2ujMNF0l6jIRTuJaX2BfJMxlkxhGB DU7P2Y4dYb2mHZaI3M3qUUIa6NfqzLuUWIIjWm859jM+YSR0vl1u9SFvCh2Bpy75WV LLBgbp57Dfqt4NXy8b/VoGzoaQmD2NMzGKK20jELwMbSOjCLrbx8ubkwhi7QkVhrns qpmfkSH7Jy8KUf0e91BjU/h3+cCSCgFwv3tW35X6pgwpXMhTO5IvQaRiAvcJp1pljH DFpp6ohZioF4g== Received: from localhost.localdomain (unknown [182.253.126.208]) by gnuweeb.org (Postfix) with ESMTPSA id 90ACB24B3B5; Sat, 2 Sep 2023 12:51:17 +0700 (WIB) From: Ammar Faizi To: Willy Tarreau , =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= Cc: Ammar Faizi , David Laight , Nicholas Rosenberg , Alviro Iskandar Setiawan , Michael William Jonathan , GNU/Weeb Mailing List , Linux Kernel Mailing List Subject: [RFC PATCH v2 4/4] tools/nolibc: string: Remove the `_nolibc_memcpy_up()` function Date: Sat, 2 Sep 2023 12:50:45 +0700 Message-Id: <20230902055045.2138405-5-ammarfaizi2@gnuweeb.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230902055045.2138405-1-ammarfaizi2@gnuweeb.org> References: <20230902055045.2138405-1-ammarfaizi2@gnuweeb.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit List-Id: This function is only called by memcpy(), there is no real reason to have this wrapper. Delete this function and move the code to memcpy() directly. Signed-off-by: Ammar Faizi --- tools/include/nolibc/string.h | 20 +++++++------------- 1 file changed, 7 insertions(+), 13 deletions(-) diff --git a/tools/include/nolibc/string.h b/tools/include/nolibc/string.h index 22dcb3f566baeefe..a01c69dd495f550c 100644 --- a/tools/include/nolibc/string.h +++ b/tools/include/nolibc/string.h @@ -10,84 +10,78 @@ #include "std.h" static void *malloc(size_t len); /* * As much as possible, please keep functions alphabetically sorted. */ static __attribute__((unused)) int memcmp(const void *s1, const void *s2, size_t n) { size_t ofs = 0; int c1 = 0; while (ofs < n && !(c1 = ((unsigned char *)s1)[ofs] - ((unsigned char *)s2)[ofs])) { ofs++; } return c1; } -static __attribute__((unused)) -void *_nolibc_memcpy_up(void *dst, const void *src, size_t len) -{ - size_t pos = 0; - - while (pos < len) { - ((char *)dst)[pos] = ((const char *)src)[pos]; - pos++; - } - return dst; -} - #ifndef NOLIBC_ARCH_HAS_MEMMOVE /* might be ignored by the compiler without -ffreestanding, then found as * missing. */ __attribute__((weak,unused,section(".text.nolibc_memmove"))) void *memmove(void *dst, const void *src, size_t len) { size_t dir, pos; pos = len; dir = -1; if (dst < src) { pos = -1; dir = 1; } while (len) { pos += dir; ((char *)dst)[pos] = ((const char *)src)[pos]; len--; } return dst; } #endif /* #ifndef NOLIBC_ARCH_HAS_MEMMOVE */ #ifndef NOLIBC_ARCH_HAS_MEMCPY /* must be exported, as it's used by libgcc on ARM */ __attribute__((weak,unused,section(".text.nolibc_memcpy"))) void *memcpy(void *dst, const void *src, size_t len) { - return _nolibc_memcpy_up(dst, src, len); + size_t pos = 0; + + while (pos < len) { + ((char *)dst)[pos] = ((const char *)src)[pos]; + pos++; + } + return dst; } #endif /* #ifndef NOLIBC_ARCH_HAS_MEMCPY */ #ifndef NOLIBC_ARCH_HAS_MEMSET /* might be ignored by the compiler without -ffreestanding, then found as * missing. */ __attribute__((weak,unused,section(".text.nolibc_memset"))) void *memset(void *dst, int b, size_t len) { char *p = dst; while (len--) { /* prevent gcc from recognizing memset() here */ __asm__ volatile(""); *(p++) = b; } return dst; } #endif /* #ifndef NOLIBC_ARCH_HAS_MEMSET */ -- Ammar Faizi