The Android Open Source Project | 441f72d | 2009-03-03 19:29:28 -0800 | [diff] [blame] | 1 | /* Create new section group. |
| 2 | Copyright (C) 2002 Red Hat, Inc. |
Ben Cheng | cc6695e | 2012-03-07 23:04:02 -0800 | [diff] [blame^] | 3 | This file is part of Red Hat elfutils. |
The Android Open Source Project | 441f72d | 2009-03-03 19:29:28 -0800 | [diff] [blame] | 4 | Written by Ulrich Drepper <drepper@redhat.com>, 2002. |
| 5 | |
Ben Cheng | cc6695e | 2012-03-07 23:04:02 -0800 | [diff] [blame^] | 6 | Red Hat elfutils is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by the |
| 8 | Free Software Foundation; version 2 of the License. |
The Android Open Source Project | 441f72d | 2009-03-03 19:29:28 -0800 | [diff] [blame] | 9 | |
Ben Cheng | cc6695e | 2012-03-07 23:04:02 -0800 | [diff] [blame^] | 10 | Red Hat elfutils is distributed in the hope that it will be useful, but |
| 11 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License along |
| 16 | with Red Hat elfutils; if not, write to the Free Software Foundation, |
| 17 | Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. |
| 18 | |
| 19 | Red Hat elfutils is an included package of the Open Invention Network. |
| 20 | An included package of the Open Invention Network is a package for which |
| 21 | Open Invention Network licensees cross-license their patents. No patent |
| 22 | license is granted, either expressly or impliedly, by designation as an |
| 23 | included package. Should you wish to participate in the Open Invention |
| 24 | Network licensing program, please visit www.openinventionnetwork.com |
| 25 | <http://www.openinventionnetwork.com>. */ |
The Android Open Source Project | 441f72d | 2009-03-03 19:29:28 -0800 | [diff] [blame] | 26 | |
| 27 | #ifdef HAVE_CONFIG_H |
| 28 | # include <config.h> |
| 29 | #endif |
| 30 | |
| 31 | #include <assert.h> |
| 32 | #include <stdlib.h> |
| 33 | #include <string.h> |
| 34 | |
| 35 | #include "libasmP.h" |
| 36 | #include <system.h> |
| 37 | |
| 38 | |
| 39 | |
| 40 | AsmScnGrp_t * |
| 41 | asm_newscngrp (ctx, grpname, signature, flags) |
| 42 | AsmCtx_t *ctx; |
| 43 | const char *grpname; |
| 44 | AsmSym_t *signature; |
| 45 | Elf32_Word flags; |
| 46 | { |
| 47 | AsmScnGrp_t *result; |
| 48 | size_t grpname_len = strlen (grpname) + 1; |
| 49 | |
| 50 | if (ctx == NULL) |
| 51 | return NULL; |
| 52 | |
| 53 | if ((flags & ~GRP_COMDAT) != 0) |
| 54 | { |
| 55 | /* This is not a supported flag. */ |
| 56 | __libasm_seterrno (ASM_E_INVALID); |
| 57 | return NULL; |
| 58 | } |
| 59 | |
| 60 | result = (AsmScnGrp_t *) malloc (sizeof (AsmScnGrp_t) + grpname_len); |
| 61 | if (result == NULL) |
| 62 | return NULL; |
| 63 | |
| 64 | result->signature = signature; |
| 65 | result->members = NULL; |
| 66 | result->nmembers = 0; |
| 67 | result->flags = flags; |
| 68 | |
| 69 | memcpy (result->name, grpname, grpname_len); |
| 70 | result->strent = ebl_strtabadd (ctx->section_strtab, result->name, |
| 71 | grpname_len); |
| 72 | |
| 73 | if (unlikely (ctx->textp)) |
| 74 | // XXX TBI. What is the format? |
| 75 | abort (); |
| 76 | else |
| 77 | { |
| 78 | result->scn = elf_newscn (ctx->out.elf); |
| 79 | if (result->scn == NULL) |
| 80 | { |
| 81 | /* Couldn't allocate a new section. */ |
| 82 | __libasm_seterrno (ASM_E_LIBELF); |
| 83 | free (result); |
| 84 | return NULL; |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | /* Enqueue is the context data structure. */ |
| 89 | if (ctx->ngroups == 0) |
| 90 | { |
| 91 | assert (ctx->groups == NULL); |
| 92 | ctx->groups = result->next = result; |
| 93 | } |
| 94 | else |
| 95 | { |
| 96 | result->next = ctx->groups->next; |
| 97 | ctx->groups = ctx->groups->next = result; |
| 98 | } |
| 99 | ++ctx->ngroups; |
| 100 | |
| 101 | return result; |
| 102 | } |