From owner-svn-ports-head@freebsd.org Wed Apr 22 14:25:52 2020 Return-Path: Delivered-To: svn-ports-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 1782F2B5FBA; Wed, 22 Apr 2020 14:25:52 +0000 (UTC) (envelope-from sunpoet@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 496jQl6khZz4JxC; Wed, 22 Apr 2020 14:25:51 +0000 (UTC) (envelope-from sunpoet@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id C85341C1E7; Wed, 22 Apr 2020 14:25:51 +0000 (UTC) (envelope-from sunpoet@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 03MEPp7K006571; Wed, 22 Apr 2020 14:25:51 GMT (envelope-from sunpoet@FreeBSD.org) Received: (from sunpoet@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 03MEPpYB006570; Wed, 22 Apr 2020 14:25:51 GMT (envelope-from sunpoet@FreeBSD.org) Message-Id: <202004221425.03MEPpYB006570@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: sunpoet set sender to sunpoet@FreeBSD.org using -f From: Sunpoet Po-Chuan Hsieh Date: Wed, 22 Apr 2020 14:25:51 +0000 (UTC) To: ports-committers@freebsd.org, svn-ports-all@freebsd.org, svn-ports-head@freebsd.org Subject: svn commit: r532478 - head/devel/libunwind X-SVN-Group: ports-head X-SVN-Commit-Author: sunpoet X-SVN-Commit-Paths: head/devel/libunwind X-SVN-Commit-Revision: 532478 X-SVN-Commit-Repository: ports MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-ports-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the ports tree for head List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 22 Apr 2020 14:25:52 -0000 Author: sunpoet Date: Wed Apr 22 14:25:51 2020 New Revision: 532478 URL: https://svnweb.freebsd.org/changeset/ports/532478 Log: Update pkg-descr and WWW Modified: head/devel/libunwind/pkg-descr Modified: head/devel/libunwind/pkg-descr ============================================================================== --- head/devel/libunwind/pkg-descr Wed Apr 22 14:20:41 2020 (r532477) +++ head/devel/libunwind/pkg-descr Wed Apr 22 14:25:51 2020 (r532478) @@ -1,24 +1,24 @@ -The primary goal of this project is to define a portable and efficient -C programming interface (API) to determine the call-chain of a program. -The API additionally provides the means to manipulate the preserved -(callee-saved) state of each call-frame and to resume execution at any -point in the call-chain (non-local goto). The API supports both local -(same-process) and remote (across-process) operation. As such, the API -is useful in a number of applications. Some examples include: +The primary goal of this project is to define a portable and efficient C +programming interface (API) to determine the call-chain of a program. The API +additionally provides the means to manipulate the preserved (callee-saved) state +of each call-frame and to resume execution at any point in the call-chain +(non-local goto). The API supports both local (same-process) and remote +(across-process) operation. As such, the API is useful in a number of +applications. Some examples include: -o exception handling - The libunwind API makes it trivial to implement the stack-manipulation - aspects of exception handling. -o debuggers - The libunwind API makes it trivial for debuggers to generate - the call-chain (backtrace) of the threads in a running program. -o introspection - It is often useful for a running thread to determine its call-chain. - For example, this is useful to display error messages (to show how - the error came about) and for performance monitoring/analysis. -o efficient setjmp() - With libunwind, it is possible to implement an extremely efficient - version of setjmp(). Effectively, the only context that needs to be - saved consists of the stack-pointer(s). +- exception handling + The libunwind API makes it trivial to implement the stack-manipulation aspects + of exception handling. +- debuggers + The libunwind API makes it trivial for debuggers to generate the call-chain + (backtrace) of the threads in a running program. +- introspection + It is often useful for a running thread to determine its call-chain. For + example, this is useful to display error messages (to show how the error came + about) and for performance monitoring/analysis. +- efficient setjmp() + With libunwind, it is possible to implement an extremely efficient version of + setjmp(). Effectively, the only context that needs to be saved consists of the + stack-pointer(s). -WWW: http://www.nongnu.org/libunwind/ +WWW: https://www.nongnu.org/libunwind/