1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 /* 29 * String conversion routine for version flag entries. 30 */ 31 #include <stdio.h> 32 #include "_conv.h" 33 #include "version_msg.h" 34 35 const char * 36 conv_ver_flags(Half flags) 37 { 38 if (flags & VER_FLG_WEAK) 39 return (MSG_ORIG(MSG_VER_FLG_WEAK)); 40 else if (flags & VER_FLG_BASE) 41 return (MSG_ORIG(MSG_VER_FLG_BASE)); 42 else 43 return (MSG_ORIG(MSG_GBL_NULL)); 44 } 45 46 47 /* 48 * Format a version index as contained in a VERSYM section 49 * 50 * entry: 51 * verndx - Version index to format 52 * gnuver - If True (non-zero), the version rules used by the 53 * GNU ld are assumed. If False (0), Solaris ld rules apply. 54 */ 55 const char * 56 conv_ver_index(Versym verndx, int gnuver, Conv_inv_buf_t *inv_buf) 57 { 58 const char *fmt; 59 60 /* Special case versions starting at VER_NDX_LORESERVE */ 61 if (verndx == VER_NDX_ELIMINATE) 62 return (MSG_ORIG(MSG_VERSYM_ELIMINATE)); 63 64 /* 65 * The GNU style of versioning uses the top bit of the 66 * 16-bit version index (0x8000) as a "hidden bit". A 67 * hidden symbol is supposed to be ignored by the linker. 68 */ 69 if (gnuver && (verndx & 0x8000)) { 70 verndx &= ~0x8000; 71 fmt = MSG_ORIG(MSG_VERSYM_GNUH_FMT); 72 } else { 73 fmt = MSG_ORIG(MSG_VERSYM_FMT); 74 } 75 76 /* format as numeric */ 77 (void) snprintf(inv_buf->buf, sizeof (inv_buf->buf), 78 fmt, EC_HALF(verndx)); 79 return (inv_buf->buf); 80 } 81