| linux_sysvec.c (346812) | linux_sysvec.c (346816) |
|---|---|
| 1/*- 2 * Copyright (c) 1994-1996 S��ren Schmidt 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 --- 13 unchanged lines hidden (view full) --- 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1994-1996 S��ren Schmidt 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 --- 13 unchanged lines hidden (view full) --- 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> |
| 30__FBSDID("$FreeBSD: stable/11/sys/i386/linux/linux_sysvec.c 346812 2019-04-28 09:53:08Z dchagin $"); | 30__FBSDID("$FreeBSD: stable/11/sys/i386/linux/linux_sysvec.c 346816 2019-04-28 13:19:28Z dchagin $"); |
| 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/exec.h> 35#include <sys/fcntl.h> 36#include <sys/imgact.h> 37#include <sys/imgact_aout.h> 38#include <sys/imgact_elf.h> --- 782 unchanged lines hidden (view full) --- 821 822 td->td_retval[0] = 0; 823 td->td_retval[1] = frame->tf_edx; 824 825 return (0); 826} 827 828/* | 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/exec.h> 35#include <sys/fcntl.h> 36#include <sys/imgact.h> 37#include <sys/imgact_aout.h> 38#include <sys/imgact_elf.h> --- 782 unchanged lines hidden (view full) --- 821 822 td->td_retval[0] = 0; 823 td->td_retval[1] = frame->tf_edx; 824 825 return (0); 826} 827 828/* |
| 829 * If a linux binary is exec'ing something, try this image activator | 829 * If a Linux binary is exec'ing something, try this image activator |
| 830 * first. We override standard shell script execution in order to | 830 * first. We override standard shell script execution in order to |
| 831 * be able to modify the interpreter path. We only do this if a linux | 831 * be able to modify the interpreter path. We only do this if a Linux |
| 832 * binary is doing the exec, so we do not create an EXEC module for it. 833 */ 834static int exec_linux_imgact_try(struct image_params *iparams); 835 836static int 837exec_linux_imgact_try(struct image_params *imgp) 838{ 839 const char *head = (const char *)imgp->image_header; 840 char *rpath; 841 int error = -1; 842 843 /* | 832 * binary is doing the exec, so we do not create an EXEC module for it. 833 */ 834static int exec_linux_imgact_try(struct image_params *iparams); 835 836static int 837exec_linux_imgact_try(struct image_params *imgp) 838{ 839 const char *head = (const char *)imgp->image_header; 840 char *rpath; 841 int error = -1; 842 843 /* |
| 844 * The interpreter for shell scripts run from a linux binary needs | 844 * The interpreter for shell scripts run from a Linux binary needs |
| 845 * to be located in /compat/linux if possible in order to recursively | 845 * to be located in /compat/linux if possible in order to recursively |
| 846 * maintain linux path emulation. | 846 * maintain Linux path emulation. |
| 847 */ 848 if (((const short *)head)[0] == SHELLMAGIC) { 849 /* 850 * Run our normal shell image activator. If it succeeds attempt 851 * to use the alternate path for the interpreter. If an alternate 852 * path is found, use our stringspace to store it. 853 */ 854 if ((error = exec_shell_imgact(imgp)) == 0) { --- 163 unchanged lines hidden (view full) --- 1018 p = (uintptr_t)(note + 1); 1019 p += roundup2(note->n_namesz, sizeof(Elf32_Addr)); 1020 1021 desc = (const Elf32_Word *)p; 1022 if (desc[0] != GNULINUX_ABI_DESC) 1023 return (FALSE); 1024 1025 /* | 847 */ 848 if (((const short *)head)[0] == SHELLMAGIC) { 849 /* 850 * Run our normal shell image activator. If it succeeds attempt 851 * to use the alternate path for the interpreter. If an alternate 852 * path is found, use our stringspace to store it. 853 */ 854 if ((error = exec_shell_imgact(imgp)) == 0) { --- 163 unchanged lines hidden (view full) --- 1018 p = (uintptr_t)(note + 1); 1019 p += roundup2(note->n_namesz, sizeof(Elf32_Addr)); 1020 1021 desc = (const Elf32_Word *)p; 1022 if (desc[0] != GNULINUX_ABI_DESC) 1023 return (FALSE); 1024 1025 /* |
| 1026 * For linux we encode osrel as follows (see linux_mib.c): | 1026 * For Linux we encode osrel as follows (see linux_mib.c): |
| 1027 * VVVMMMIII (version, major, minor), see linux_mib.c. 1028 */ 1029 *osrel = desc[1] * 1000000 + desc[2] * 1000 + desc[3]; 1030 1031 return (TRUE); 1032} 1033 1034static Elf_Brandnote linux_brandnote = { --- 125 unchanged lines hidden --- | 1027 * VVVMMMIII (version, major, minor), see linux_mib.c. 1028 */ 1029 *osrel = desc[1] * 1000000 + desc[2] * 1000 + desc[3]; 1030 1031 return (TRUE); 1032} 1033 1034static Elf_Brandnote linux_brandnote = { --- 125 unchanged lines hidden --- |