| kern_ctf.c (231949) | kern_ctf.c (241896) |
|---|---|
| 1/*- 2 * Copyright (c) 2008 John Birrell <jb@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/*- 2 * Copyright (c) 2008 John Birrell <jb@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: head/sys/kern/kern_ctf.c 231949 2012-02-21 01:05:12Z kib $ | 26 * $FreeBSD: head/sys/kern/kern_ctf.c 241896 2012-10-22 17:50:54Z kib $ |
| 27 */ 28 29/* 30 * Note this file is included by both link_elf.c and link_elf_obj.c. 31 * 32 * The CTF header structure definition can't be used here because it's 33 * (annoyingly) covered by the CDDL. We will just use a few bytes from 34 * it as an integer array where we 'know' what they mean. --- 29 unchanged lines hidden (view full) --- 64 caddr_t ctftab = NULL; 65 caddr_t raw = NULL; 66 caddr_t shstrtab = NULL; 67 elf_file_t ef = (elf_file_t) lf; 68 int flags; 69 int i; 70 int nbytes; 71 ssize_t resid; | 27 */ 28 29/* 30 * Note this file is included by both link_elf.c and link_elf_obj.c. 31 * 32 * The CTF header structure definition can't be used here because it's 33 * (annoyingly) covered by the CDDL. We will just use a few bytes from 34 * it as an integer array where we 'know' what they mean. --- 29 unchanged lines hidden (view full) --- 64 caddr_t ctftab = NULL; 65 caddr_t raw = NULL; 66 caddr_t shstrtab = NULL; 67 elf_file_t ef = (elf_file_t) lf; 68 int flags; 69 int i; 70 int nbytes; 71 ssize_t resid; |
| 72 int vfslocked; | |
| 73 size_t sz; 74 struct nameidata nd; 75 struct thread *td = curthread; 76 uint8_t ctf_hdr[CTF_HDR_SIZE]; 77#endif 78 int error = 0; 79 80 if (lf == NULL || lc == NULL) --- 28 unchanged lines hidden (view full) --- 109 110 /* 111 * We need to try reading the CTF data. Flag no CTF data present 112 * by default and if we actually succeed in reading it, we'll 113 * update ctfcnt to the number of bytes read. 114 */ 115 ef->ctfcnt = -1; 116 | 72 size_t sz; 73 struct nameidata nd; 74 struct thread *td = curthread; 75 uint8_t ctf_hdr[CTF_HDR_SIZE]; 76#endif 77 int error = 0; 78 79 if (lf == NULL || lc == NULL) --- 28 unchanged lines hidden (view full) --- 108 109 /* 110 * We need to try reading the CTF data. Flag no CTF data present 111 * by default and if we actually succeed in reading it, we'll 112 * update ctfcnt to the number of bytes read. 113 */ 114 ef->ctfcnt = -1; 115 |
| 117 NDINIT(&nd, LOOKUP, FOLLOW | MPSAFE, UIO_SYSSPACE, lf->pathname, td); | 116 NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, lf->pathname, td); |
| 118 flags = FREAD; 119 error = vn_open(&nd, &flags, 0, NULL); 120 if (error) 121 return (error); | 117 flags = FREAD; 118 error = vn_open(&nd, &flags, 0, NULL); 119 if (error) 120 return (error); |
| 122 vfslocked = NDHASGIANT(&nd); | |
| 123 NDFREE(&nd, NDF_ONLY_PNBUF); 124 125 /* Allocate memory for the FLF header. */ 126 if ((hdr = malloc(sizeof(*hdr), M_LINKER, M_WAITOK)) == NULL) { 127 error = ENOMEM; 128 goto out; 129 } 130 --- 187 unchanged lines hidden (view full) --- 318 lc->nsym = ef->ddbsymcnt; 319 lc->ctfoffp = (uint32_t **) &ef->ctfoff; 320 lc->typoffp = (uint32_t **) &ef->typoff; 321 lc->typlenp = &ef->typlen; 322 323out: 324 VOP_UNLOCK(nd.ni_vp, 0); 325 vn_close(nd.ni_vp, FREAD, td->td_ucred, td); | 121 NDFREE(&nd, NDF_ONLY_PNBUF); 122 123 /* Allocate memory for the FLF header. */ 124 if ((hdr = malloc(sizeof(*hdr), M_LINKER, M_WAITOK)) == NULL) { 125 error = ENOMEM; 126 goto out; 127 } 128 --- 187 unchanged lines hidden (view full) --- 316 lc->nsym = ef->ddbsymcnt; 317 lc->ctfoffp = (uint32_t **) &ef->ctfoff; 318 lc->typoffp = (uint32_t **) &ef->typoff; 319 lc->typlenp = &ef->typlen; 320 321out: 322 VOP_UNLOCK(nd.ni_vp, 0); 323 vn_close(nd.ni_vp, FREAD, td->td_ucred, td); |
| 326 VFS_UNLOCK_GIANT(vfslocked); | |
| 327 328 if (hdr != NULL) 329 free(hdr, M_LINKER); 330 if (shdr != NULL) 331 free(shdr, M_LINKER); 332 if (shstrtab != NULL) 333 free(shstrtab, M_LINKER); 334 if (ctftab != NULL) 335 free(ctftab, M_LINKER); 336 if (raw != NULL) 337 free(raw, M_LINKER); 338#else 339 error = EOPNOTSUPP; 340#endif 341 342 return (error); 343} | 324 325 if (hdr != NULL) 326 free(hdr, M_LINKER); 327 if (shdr != NULL) 328 free(shdr, M_LINKER); 329 if (shstrtab != NULL) 330 free(shstrtab, M_LINKER); 331 if (ctftab != NULL) 332 free(ctftab, M_LINKER); 333 if (raw != NULL) 334 free(raw, M_LINKER); 335#else 336 error = EOPNOTSUPP; 337#endif 338 339 return (error); 340} |