diff options
Diffstat (limited to 'cddl/contrib/opensolaris/uts/common/ctf/ctf_mod.c')
| -rw-r--r-- | cddl/contrib/opensolaris/uts/common/ctf/ctf_mod.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/cddl/contrib/opensolaris/uts/common/ctf/ctf_mod.c b/cddl/contrib/opensolaris/uts/common/ctf/ctf_mod.c deleted file mode 100644 index b34cf40..0000000 --- a/cddl/contrib/opensolaris/uts/common/ctf/ctf_mod.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 2003 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#pragma ident "%Z%%M% %I% %E% SMI" - -#include <sys/sysmacros.h> -#include <sys/modctl.h> -#include <sys/debug.h> -#include <sys/mman.h> -#include <sys/modctl.h> -#include <sys/kobj.h> -#include <ctf_impl.h> - -int ctf_leave_compressed = 0; - -static struct modlmisc modlmisc = { - &mod_miscops, "Compact C Type Format routines" -}; - -static struct modlinkage modlinkage = { - MODREV_1, &modlmisc, NULL -}; - -int -_init(void) -{ - return (mod_install(&modlinkage)); -} - -int -_info(struct modinfo *mip) -{ - return (mod_info(&modlinkage, mip)); -} - -int -_fini(void) -{ - return (mod_remove(&modlinkage)); -} - -/*ARGSUSED*/ -void * -ctf_zopen(int *errp) -{ - return ((void *)1); /* zmod is always loaded because we depend on it */ -} - -/*ARGSUSED*/ -const void * -ctf_sect_mmap(ctf_sect_t *sp, int fd) -{ - return (MAP_FAILED); /* we don't support this in the kernel */ -} - -/*ARGSUSED*/ -void -ctf_sect_munmap(const ctf_sect_t *sp) -{ - /* we don't support this in the kernel */ -} - -/*ARGSUSED*/ -ctf_file_t * -ctf_fdopen(int fd, int *errp) -{ - return (ctf_set_open_errno(errp, ENOTSUP)); -} - -/*ARGSUSED*/ -ctf_file_t * -ctf_open(const char *filename, int *errp) -{ - return (ctf_set_open_errno(errp, ENOTSUP)); -} - -/*ARGSUSED*/ -int -ctf_write(ctf_file_t *fp, int fd) -{ - return (ctf_set_errno(fp, ENOTSUP)); -} - -int -ctf_version(int version) -{ - ASSERT(version > 0 && version <= CTF_VERSION); - - if (version > 0) - _libctf_version = MIN(CTF_VERSION, version); - - return (_libctf_version); -} - -/*ARGSUSED*/ -ctf_file_t * -ctf_modopen(struct module *mp, int *error) -{ - ctf_sect_t ctfsect, symsect, strsect; - ctf_file_t *fp = NULL; - int err; - - if (error == NULL) - error = &err; - - ctfsect.cts_name = ".SUNW_ctf"; - ctfsect.cts_type = SHT_PROGBITS; - ctfsect.cts_flags = SHF_ALLOC; - ctfsect.cts_data = mp->ctfdata; - ctfsect.cts_size = mp->ctfsize; - ctfsect.cts_entsize = 1; - ctfsect.cts_offset = 0; - - symsect.cts_name = ".symtab"; - symsect.cts_type = SHT_SYMTAB; - symsect.cts_flags = 0; - symsect.cts_data = mp->symtbl; - symsect.cts_size = mp->symhdr->sh_size; -#ifdef _LP64 - symsect.cts_entsize = sizeof (Elf64_Sym); -#else - symsect.cts_entsize = sizeof (Elf32_Sym); -#endif - symsect.cts_offset = 0; - - strsect.cts_name = ".strtab"; - strsect.cts_type = SHT_STRTAB; - strsect.cts_flags = 0; - strsect.cts_data = mp->strings; - strsect.cts_size = mp->strhdr->sh_size; - strsect.cts_entsize = 1; - strsect.cts_offset = 0; - - ASSERT(MUTEX_HELD(&mod_lock)); - - if ((fp = ctf_bufopen(&ctfsect, &symsect, &strsect, error)) == NULL) - return (NULL); - - if (!ctf_leave_compressed && (caddr_t)fp->ctf_base != mp->ctfdata) { - /* - * We must have just uncompressed the CTF data. To avoid - * others having to pay the (substantial) cost of decompressing - * the data, we're going to substitute the uncompressed version - * for the compressed version. Note that this implies that the - * first CTF consumer will induce memory impact on the system - * (but in the name of performance of future CTF consumers). - */ - kobj_set_ctf(mp, (caddr_t)fp->ctf_base, fp->ctf_size); - fp->ctf_data.cts_data = fp->ctf_base; - fp->ctf_data.cts_size = fp->ctf_size; - } - - return (fp); -} |
