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1 : : /* Create context descriptor for disassembler. 2 : : Copyright (C) 2005, 2008 Red Hat, Inc. 3 : : This file is part of elfutils. 4 : : Written by Ulrich Drepper <drepper@redhat.com>, 2005. 5 : : 6 : : This file is free software; you can redistribute it and/or modify 7 : : it under the terms of either 8 : : 9 : : * the GNU Lesser General Public License as published by the Free 10 : : Software Foundation; either version 3 of the License, or (at 11 : : your option) any later version 12 : : 13 : : or 14 : : 15 : : * the GNU General Public License as published by the Free 16 : : Software Foundation; either version 2 of the License, or (at 17 : : your option) any later version 18 : : 19 : : or both in parallel, as here. 20 : : 21 : : elfutils is distributed in the hope that it will be useful, but 22 : : WITHOUT ANY WARRANTY; without even the implied warranty of 23 : : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 24 : : General Public License for more details. 25 : : 26 : : You should have received copies of the GNU General Public License and 27 : : the GNU Lesser General Public License along with this program. If 28 : : not, see <http://www.gnu.org/licenses/>. */ 29 : : 30 : : #ifdef HAVE_CONFIG_H 31 : : # include <config.h> 32 : : #endif 33 : : 34 : : #include <stdlib.h> 35 : : 36 : : #include "libasmP.h" 37 : : #include "libeblP.h" 38 : : 39 : : 40 : : DisasmCtx_t * 41 : 4 : disasm_begin (Ebl *ebl, Elf *elf, DisasmGetSymCB_t symcb) 42 : : { 43 [ - + ]: 4 : if (ebl == NULL) 44 : : return NULL; 45 : : 46 [ - + ]: 4 : if (ebl->disasm == NULL) 47 : : { 48 : 0 : __libasm_seterrno (ASM_E_ENOSUP); 49 : 0 : return NULL; 50 : : } 51 : : 52 : 4 : DisasmCtx_t *ctx = malloc (sizeof (DisasmCtx_t)); 53 [ - + ]: 4 : if (ctx == NULL) 54 : : { 55 : 0 : __libasm_seterrno (ASM_E_NOMEM); 56 : 0 : return NULL; 57 : : } 58 : : 59 : 4 : ctx->ebl = ebl; 60 : 4 : ctx->elf = elf; 61 : 4 : ctx->symcb = symcb; 62 : : 63 : 4 : return ctx; 64 : : }