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[/] [openrisc/] [tags/] [gnu-src/] [newlib-1.18.0/] [newlib-1.18.0-or32-1.0rc2/] [newlib/] [libc/] [sys/] [linux/] [dl/] [dl-debug.c] - Rev 520
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/* Communicate dynamic linker state to the debugger at runtime. Copyright (C) 1996, 1998, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <ldsodefs.h> /* This structure communicates dl state to the debugger. The debugger normally finds it via the DT_DEBUG entry in the dynamic section, but in a statically-linked program there is no dynamic section for the debugger to examine and it looks for this particular symbol name. */ struct r_debug _r_debug; /* Initialize _r_debug if it has not already been done. The argument is the run-time load address of the dynamic linker, to be put in _r_debug.r_ldbase. Returns the address of _r_debug. */ struct r_debug * internal_function _dl_debug_initialize (ElfW(Addr) ldbase) { if (_r_debug.r_brk == 0) { /* Tell the debugger where to find the map of loaded objects. */ _r_debug.r_version = 1 /* R_DEBUG_VERSION XXX */; _r_debug.r_ldbase = ldbase; _r_debug.r_map = _dl_loaded; _r_debug.r_brk = (ElfW(Addr)) &_dl_debug_state; } return &_r_debug; } /* This function exists solely to have a breakpoint set on it by the debugger. The debugger is supposed to find this function's address by examining the r_brk member of struct r_debug, but GDB 4.15 in fact looks for this particular symbol name in the PT_INTERP file. */ void _dl_debug_state (void) { }