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Quelle porting_aix.hSprache: C |
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/* * Copyright (c) 2012, 2018 SAP SE. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ /* * Header file to contain porting-relevant code which does not have a * home anywhere else. * This is initially based on hotspot/src/os/aix/vm/{loadlib,porting}_aix.{hpp,cpp} */ /* * Aix' own version of dladdr(). * This function tries to mimic dladdr(3) on Linux * (see http://linux.die.net/man/3/dladdr) * dladdr(3) is not POSIX but a GNU extension, and is not available on AIX. * * Differences between AIX dladdr and Linux dladdr: * * 1) Dl_info.dli_fbase: can never work, is disabled. * A loaded image on AIX is divided in multiple segments, at least two * (text and data) but potentially also far more. This is because the loader may * load each member into an own segment, as for instance happens with the libC.a * 2) Dl_info.dli_sname: This only works for code symbols (functions); for data, a * zero-length string is returned (""). * 3) Dl_info.dli_saddr: For code, this will return the entry point of the function, * not the function descriptor. */ typedef struct { const char *dli_fname; /* file path of loaded library */ void *dli_fbase; /* doesn't make sense on AIX */ const char *dli_sname; /* symbol name; "" if not known */ void *dli_saddr; /* address of *entry* of function; not function descriptor; */ } Dl_info; #ifdef __cplusplus extern "C" #endif int dladdr(void *addr, Dl_info *info);
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2026-06-09