From 5e1a84ab74d5e97582427f016f291a8c11e66f99 Mon Sep 17 00:00:00 2001 From: jutteau Date: Fri, 11 May 2007 18:10:19 +0000 Subject: Completion du script de mise à jour de la pc-104 : * Ajout des sources de busybox dans ./conf/busybox/ * Ajout d'un fichier réclamé par les script dans ./conf/busybox.links --- i/pc104/initrd/conf/busybox/modutils/lsmod.c | 192 +++++++++++++++++++++++++++ 1 file changed, 192 insertions(+) create mode 100644 i/pc104/initrd/conf/busybox/modutils/lsmod.c (limited to 'i/pc104/initrd/conf/busybox/modutils/lsmod.c') diff --git a/i/pc104/initrd/conf/busybox/modutils/lsmod.c b/i/pc104/initrd/conf/busybox/modutils/lsmod.c new file mode 100644 index 0000000..31549b9 --- /dev/null +++ b/i/pc104/initrd/conf/busybox/modutils/lsmod.c @@ -0,0 +1,192 @@ +/* vi: set sw=4 ts=4: */ +/* + * Mini lsmod implementation for busybox + * + * Copyright (C) 1999-2004 by Erik Andersen + * + * Modified by Alcove, Julien Gaulmin and + * Nicolas Ferre to support pre 2.1 kernels + * (which lack the query_module() interface). + * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. + */ + +#include "busybox.h" + + +#ifndef CONFIG_FEATURE_CHECK_TAINTED_MODULE +static void check_tainted(void) { puts(""); } +#else +#define TAINT_FILENAME "/proc/sys/kernel/tainted" +#define TAINT_PROPRIETORY_MODULE (1<<0) +#define TAINT_FORCED_MODULE (1<<1) +#define TAINT_UNSAFE_SMP (1<<2) + +static void check_tainted(void) +{ + int tainted; + FILE *f; + + tainted = 0; + if ((f = fopen(TAINT_FILENAME, "r"))) { + fscanf(f, "%d", &tainted); + fclose(f); + } + if (f && tainted) { + printf(" Tainted: %c%c%c\n", + tainted & TAINT_PROPRIETORY_MODULE ? 'P' : 'G', + tainted & TAINT_FORCED_MODULE ? 'F' : ' ', + tainted & TAINT_UNSAFE_SMP ? 'S' : ' '); + } + else { + printf(" Not tainted\n"); + } +} +#endif + +#ifdef CONFIG_FEATURE_QUERY_MODULE_INTERFACE + +struct module_info +{ + unsigned long addr; + unsigned long size; + unsigned long flags; + long usecount; +}; + + +int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret); + +enum { +/* Values for query_module's which. */ + QM_MODULES = 1, + QM_DEPS = 2, + QM_REFS = 3, + QM_SYMBOLS = 4, + QM_INFO = 5, + +/* Bits of module.flags. */ + NEW_MOD_RUNNING = 1, + NEW_MOD_DELETED = 2, + NEW_MOD_AUTOCLEAN = 4, + NEW_MOD_VISITED = 8, + NEW_MOD_USED_ONCE = 16, + NEW_MOD_INITIALIZING = 64 +}; + +int lsmod_main(int argc, char **argv); +int lsmod_main(int argc, char **argv) +{ + struct module_info info; + char *module_names, *mn, *deps, *dn; + size_t bufsize, depsize, nmod, count, i, j; + + module_names = deps = NULL; + bufsize = depsize = 0; + while (query_module(NULL, QM_MODULES, module_names, bufsize, &nmod)) { + if (errno != ENOSPC) bb_perror_msg_and_die("QM_MODULES"); + module_names = xmalloc(bufsize = nmod); + } + + deps = xmalloc(depsize = 256); + printf("Module\t\t\tSize Used by"); + check_tainted(); + + for (i = 0, mn = module_names; i < nmod; mn += strlen(mn) + 1, i++) { + if (query_module(mn, QM_INFO, &info, sizeof(info), &count)) { + if (errno == ENOENT) { + /* The module was removed out from underneath us. */ + continue; + } + /* else choke */ + bb_perror_msg_and_die("module %s: QM_INFO", mn); + } + while (query_module(mn, QM_REFS, deps, depsize, &count)) { + if (errno == ENOENT) { + /* The module was removed out from underneath us. */ + continue; + } else if (errno != ENOSPC) + bb_perror_msg_and_die("module %s: QM_REFS", mn); + deps = xrealloc(deps, count); + } + printf("%-20s%8lu%4ld", mn, info.size, info.usecount); + if (info.flags & NEW_MOD_DELETED) + printf(" (deleted)"); + else if (info.flags & NEW_MOD_INITIALIZING) + printf(" (initializing)"); + else if (!(info.flags & NEW_MOD_RUNNING)) + printf(" (uninitialized)"); + else { + if (info.flags & NEW_MOD_AUTOCLEAN) + printf(" (autoclean) "); + if (!(info.flags & NEW_MOD_USED_ONCE)) + printf(" (unused)"); + } + if (count) printf(" ["); + for (j = 0, dn = deps; j < count; dn += strlen(dn) + 1, j++) { + printf("%s%s", dn, (j==count-1)? "":" "); + } + if (count) printf("]"); + + puts(""); + } + +#ifdef CONFIG_FEATURE_CLEAN_UP + free(module_names); +#endif + + return 0; +} + +#else /* CONFIG_FEATURE_QUERY_MODULE_INTERFACE */ + +int lsmod_main(int argc, char **argv); +int lsmod_main(int argc, char **argv) +{ + FILE *file = xfopen("/proc/modules", "r"); + + printf("Module Size Used by"); + check_tainted(); +#if defined(CONFIG_FEATURE_LSMOD_PRETTY_2_6_OUTPUT) + { + char *line; + while ((line = xmalloc_fgets(file)) != NULL) { + char *tok; + + tok = strtok(line, " \t"); + printf("%-19s", tok); + tok = strtok(NULL, " \t\n"); + printf(" %8s", tok); + tok = strtok(NULL, " \t\n"); + /* Null if no module unloading support. */ + if (tok) { + printf(" %s", tok); + tok = strtok(NULL, "\n"); + if (!tok) + tok = (char*)""; + /* New-style has commas, or -. If so, + truncate (other fields might follow). */ + else if (strchr(tok, ',')) { + tok = strtok(tok, "\t "); + /* Strip trailing comma. */ + if (tok[strlen(tok)-1] == ',') + tok[strlen(tok)-1] = '\0'; + } else if (tok[0] == '-' + && (tok[1] == '\0' || isspace(tok[1])) + ) { + tok = (char*)""; + } + printf(" %s", tok); + } + puts(""); + free(line); + } + fclose(file); + } +#else + xprint_and_close_file(file); +#endif /* CONFIG_FEATURE_2_6_MODULES */ + return EXIT_SUCCESS; +} + +#endif /* CONFIG_FEATURE_QUERY_MODULE_INTERFACE */ -- cgit v1.2.3