Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame^] | 1 | /* Create new section group. |
| 2 | Copyright (C) 2002 Red Hat, Inc. |
| 3 | Written by Ulrich Drepper <drepper@redhat.com>, 2002. |
| 4 | |
| 5 | This program is Open Source software; you can redistribute it and/or |
| 6 | modify it under the terms of the Open Software License version 1.0 as |
| 7 | published by the Open Source Initiative. |
| 8 | |
| 9 | You should have received a copy of the Open Software License along |
| 10 | with this program; if not, you may obtain a copy of the Open Software |
| 11 | License version 1.0 from http://www.opensource.org/licenses/osl.php or |
| 12 | by writing the Open Source Initiative c/o Lawrence Rosen, Esq., |
| 13 | 3001 King Ranch Road, Ukiah, CA 95482. */ |
| 14 | |
| 15 | #ifdef HAVE_CONFIG_H |
| 16 | # include <config.h> |
| 17 | #endif |
| 18 | |
| 19 | #include <assert.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <string.h> |
| 22 | |
| 23 | #include "libasmP.h" |
| 24 | #include <system.h> |
| 25 | |
| 26 | |
| 27 | |
| 28 | AsmScnGrp_t * |
| 29 | asm_newscngrp (ctx, grpname, signature, flags) |
| 30 | AsmCtx_t *ctx; |
| 31 | const char *grpname; |
| 32 | AsmSym_t *signature; |
| 33 | Elf32_Word flags; |
| 34 | { |
| 35 | AsmScnGrp_t *result; |
| 36 | size_t grpname_len = strlen (grpname) + 1; |
| 37 | |
| 38 | if (ctx == NULL) |
| 39 | return NULL; |
| 40 | |
| 41 | if ((flags & ~GRP_COMDAT) != 0) |
| 42 | { |
| 43 | /* This is not a supported flag. */ |
| 44 | __libasm_seterrno (ASM_E_INVALID); |
| 45 | return NULL; |
| 46 | } |
| 47 | |
| 48 | result = (AsmScnGrp_t *) malloc (sizeof (AsmScnGrp_t) + grpname_len); |
| 49 | if (result == NULL) |
| 50 | return NULL; |
| 51 | |
| 52 | result->signature = signature; |
| 53 | result->members = NULL; |
| 54 | result->nmembers = 0; |
| 55 | result->flags = flags; |
| 56 | |
| 57 | memcpy (result->name, grpname, grpname_len); |
| 58 | result->strent = ebl_strtabadd (ctx->section_strtab, result->name, |
| 59 | grpname_len); |
| 60 | |
| 61 | if (unlikely (ctx->textp)) |
| 62 | // XXX TBI. What is the format? |
| 63 | abort (); |
| 64 | else |
| 65 | { |
| 66 | result->scn = elf_newscn (ctx->out.elf); |
| 67 | if (result->scn == NULL) |
| 68 | { |
| 69 | /* Couldn't allocate a new section. */ |
| 70 | __libasm_seterrno (ASM_E_LIBELF); |
| 71 | free (result); |
| 72 | return NULL; |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | /* Enqueue is the context data structure. */ |
| 77 | if (ctx->ngroups == 0) |
| 78 | { |
| 79 | assert (ctx->groups == NULL); |
| 80 | ctx->groups = result->next = result; |
| 81 | } |
| 82 | else |
| 83 | { |
| 84 | result->next = ctx->groups->next; |
| 85 | ctx->groups = ctx->groups->next = result; |
| 86 | } |
| 87 | ++ctx->ngroups; |
| 88 | |
| 89 | return result; |
| 90 | } |