Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1 | /* Create new section group. |
| 2 | Copyright (C) 2002 Red Hat, Inc. |
Mark Wielaard | de2ed97 | 2012-06-05 17:15:16 +0200 | [diff] [blame] | 3 | This file is part of elfutils. |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4 | Written by Ulrich Drepper <drepper@redhat.com>, 2002. |
| 5 | |
Mark Wielaard | de2ed97 | 2012-06-05 17:15:16 +0200 | [diff] [blame] | 6 | This file is free software; you can redistribute it and/or modify |
| 7 | it under the terms of either |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 8 | |
Mark Wielaard | de2ed97 | 2012-06-05 17:15:16 +0200 | [diff] [blame] | 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 |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 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 | |
Mark Wielaard | de2ed97 | 2012-06-05 17:15:16 +0200 | [diff] [blame] | 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/>. */ |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 29 | |
| 30 | #ifdef HAVE_CONFIG_H |
| 31 | # include <config.h> |
| 32 | #endif |
| 33 | |
| 34 | #include <assert.h> |
| 35 | #include <stdlib.h> |
| 36 | #include <string.h> |
| 37 | |
| 38 | #include "libasmP.h" |
| 39 | #include <system.h> |
| 40 | |
| 41 | |
| 42 | |
| 43 | AsmScnGrp_t * |
| 44 | asm_newscngrp (ctx, grpname, signature, flags) |
| 45 | AsmCtx_t *ctx; |
| 46 | const char *grpname; |
| 47 | AsmSym_t *signature; |
| 48 | Elf32_Word flags; |
| 49 | { |
| 50 | AsmScnGrp_t *result; |
| 51 | size_t grpname_len = strlen (grpname) + 1; |
| 52 | |
| 53 | if (ctx == NULL) |
| 54 | return NULL; |
| 55 | |
| 56 | if ((flags & ~GRP_COMDAT) != 0) |
| 57 | { |
| 58 | /* This is not a supported flag. */ |
| 59 | __libasm_seterrno (ASM_E_INVALID); |
| 60 | return NULL; |
| 61 | } |
| 62 | |
| 63 | result = (AsmScnGrp_t *) malloc (sizeof (AsmScnGrp_t) + grpname_len); |
| 64 | if (result == NULL) |
| 65 | return NULL; |
| 66 | |
| 67 | result->signature = signature; |
| 68 | result->members = NULL; |
| 69 | result->nmembers = 0; |
| 70 | result->flags = flags; |
| 71 | |
| 72 | memcpy (result->name, grpname, grpname_len); |
| 73 | result->strent = ebl_strtabadd (ctx->section_strtab, result->name, |
| 74 | grpname_len); |
| 75 | |
| 76 | if (unlikely (ctx->textp)) |
| 77 | // XXX TBI. What is the format? |
| 78 | abort (); |
| 79 | else |
| 80 | { |
| 81 | result->scn = elf_newscn (ctx->out.elf); |
| 82 | if (result->scn == NULL) |
| 83 | { |
| 84 | /* Couldn't allocate a new section. */ |
| 85 | __libasm_seterrno (ASM_E_LIBELF); |
| 86 | free (result); |
| 87 | return NULL; |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | /* Enqueue is the context data structure. */ |
| 92 | if (ctx->ngroups == 0) |
| 93 | { |
| 94 | assert (ctx->groups == NULL); |
| 95 | ctx->groups = result->next = result; |
| 96 | } |
| 97 | else |
| 98 | { |
| 99 | result->next = ctx->groups->next; |
| 100 | ctx->groups = ctx->groups->next = result; |
| 101 | } |
| 102 | ++ctx->ngroups; |
| 103 | |
| 104 | return result; |
| 105 | } |