kill off insmod support for older pre 2.1 Linux kernels,
which are not supported with the current busybox 1.0 release -Erik
This commit is contained in:
Eric Andersen
parent
d943837dab
commit
cb3b9b1fed
@ -11,31 +11,24 @@ config CONFIG_INSMOD
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help
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insmod is used to load specified modules in the running kernel.
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config CONFIG_FEATURE_2_2_MODULES
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bool " Support older (pre 2.1) Linux kernels"
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default n
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depends on CONFIG_INSMOD
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help
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Provide insmod support for older (pre 2.1) Linux kernels.
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config CONFIG_FEATURE_2_4_MODULES
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bool " Support version 2.1.x to 2.4.x Linux kernels"
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bool " Support version 2.2.x to 2.4.x Linux kernels"
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default y
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depends on CONFIG_INSMOD && !CONFIG_FEATURE_2_6_MODULES
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depends on CONFIG_INSMOD
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help
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Support module loading for 2.2.x and 2.4.x Linux kernels.
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config CONFIG_FEATURE_2_6_MODULES
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bool " Support version 2.6.x Linux kernels"
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default n
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depends on CONFIG_INSMOD && !CONFIG_FEATURE_2_4_MODULES
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depends on CONFIG_INSMOD
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help
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Support module loading for 2.6.x Linux kernels.
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Support module loading for newer 2.6.x Linux kernels.
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config CONFIG_FEATURE_INSMOD_VERSION_CHECKING
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bool " Module version checking"
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default n
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depends on CONFIG_INSMOD && ( CONFIG_FEATURE_2_2_MODULES || CONFIG_FEATURE_2_4_MODULES )
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depends on CONFIG_INSMOD && CONFIG_FEATURE_2_4_MODULES
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help
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Support checking of versions for modules. This is used to
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ensure that the kernel and module are made for each other.
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@ -43,7 +36,7 @@ config CONFIG_FEATURE_INSMOD_VERSION_CHECKING
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config CONFIG_FEATURE_INSMOD_KSYMOOPS_SYMBOLS
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bool " Add module symbols to kernel symbol table"
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default n
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depends on CONFIG_INSMOD && ( CONFIG_FEATURE_2_2_MODULES || CONFIG_FEATURE_2_4_MODULES )
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depends on CONFIG_INSMOD && CONFIG_FEATURE_2_4_MODULES
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help
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By adding module symbols to the kernel symbol table, Oops messages
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occuring within kernel modules can be properly debugged. By enabling
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@ -54,7 +47,7 @@ config CONFIG_FEATURE_INSMOD_KSYMOOPS_SYMBOLS
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config CONFIG_FEATURE_INSMOD_LOADINKMEM
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bool " In kernel memory optimization (uClinux only)"
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default n
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depends on CONFIG_INSMOD && ( CONFIG_FEATURE_2_2_MODULES || CONFIG_FEATURE_2_4_MODULES )
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depends on CONFIG_INSMOD && CONFIG_FEATURE_2_4_MODULES
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help
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This is a special uClinux only memory optimization that lets insmod
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load the specified kernel module directly into kernel space, reducing
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@ -64,7 +57,7 @@ config CONFIG_FEATURE_INSMOD_LOADINKMEM
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config CONFIG_FEATURE_INSMOD_LOAD_MAP
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bool " Enable load map (-m) option"
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default n
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depends on CONFIG_INSMOD && ( CONFIG_FEATURE_2_2_MODULES || CONFIG_FEATURE_2_4_MODULES )
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depends on CONFIG_INSMOD && CONFIG_FEATURE_2_4_MODULES
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help
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Enabling this, one would be able to get a load map
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output on stdout. This makes kernel module debugging
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@ -83,27 +83,21 @@
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#include "busybox.h"
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#if !defined(CONFIG_FEATURE_2_4_MODULES) && \
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!defined(CONFIG_FEATURE_2_2_MODULES) && \
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!defined(CONFIG_FEATURE_2_6_MODULES)
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#define CONFIG_FEATURE_2_4_MODULES
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#endif
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#if !defined(CONFIG_FEATURE_2_4_MODULES) && !defined(CONFIG_FEATURE_2_2_MODULES)
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#if !defined(CONFIG_FEATURE_2_4_MODULES)
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#define insmod_ng_main insmod_main
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#endif
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#if defined(CONFIG_FEATURE_2_4_MODULES) || defined(CONFIG_FEATURE_2_2_MODULES)
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#if defined(CONFIG_FEATURE_2_6_MODULES)
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extern int insmod_ng_main( int argc, char **argv);
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#endif
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#ifdef CONFIG_FEATURE_2_4_MODULES
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# undef CONFIG_FEATURE_2_2_MODULES
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# define new_sys_init_module init_module
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#else
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# define old_sys_init_module init_module
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#endif
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#if defined(CONFIG_FEATURE_2_4_MODULES)
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#ifdef CONFIG_FEATURE_INSMOD_LOADINKMEM
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#define LOADBITS 0
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@ -296,68 +290,7 @@ extern int insmod_ng_main( int argc, char **argv);
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#ifndef MODUTILS_MODULE_H
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static const int MODUTILS_MODULE_H = 1;
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#ident "$Id: insmod.c,v 1.119 2004/05/26 12:06:38 andersen Exp $"
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/* This file contains the structures used by the 2.0 and 2.1 kernels.
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We do not use the kernel headers directly because we do not wish
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to be dependent on a particular kernel version to compile insmod. */
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/*======================================================================*/
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/* The structures used by Linux 2.0. */
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/* The symbol format used by get_kernel_syms(2). */
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struct old_kernel_sym
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{
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unsigned long value;
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char name[60];
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};
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struct old_module_ref
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{
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unsigned long module; /* kernel addresses */
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unsigned long next;
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};
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struct old_module_symbol
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{
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unsigned long addr;
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unsigned long name;
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};
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struct old_symbol_table
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{
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int size; /* total, including string table!!! */
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int n_symbols;
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int n_refs;
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struct old_module_symbol symbol[0]; /* actual size defined by n_symbols */
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struct old_module_ref ref[0]; /* actual size defined by n_refs */
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};
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struct old_mod_routines
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{
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unsigned long init;
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unsigned long cleanup;
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};
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struct old_module
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{
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unsigned long next;
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unsigned long ref; /* the list of modules that refer to me */
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unsigned long symtab;
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unsigned long name;
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int size; /* size of module in pages */
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unsigned long addr; /* address of module */
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int state;
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unsigned long cleanup; /* cleanup routine */
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};
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/* Sent to init_module(2) or'ed into the code size parameter. */
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static const int OLD_MOD_AUTOCLEAN = 0x40000000; /* big enough, but no sign problems... */
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int get_kernel_syms(struct old_kernel_sym *);
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int old_sys_init_module(const char *name, char *code, unsigned codesize,
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struct old_mod_routines *, struct old_symbol_table *);
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#ident "$Id: insmod.c,v 1.120 2004/06/22 11:50:52 andersen Exp $"
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/*======================================================================*/
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/* For sizeof() which are related to the module platform and not to the
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@ -429,13 +362,11 @@ struct new_module
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unsigned tgt_long persist_end;
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unsigned tgt_long can_unload;
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unsigned tgt_long runsize;
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#ifdef CONFIG_FEATURE_2_4_MODULES
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const char *kallsyms_start; /* All symbols for kernel debugging */
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const char *kallsyms_end;
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const char *archdata_start; /* arch specific data for module */
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const char *archdata_end;
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const char *kernel_data; /* Reserved for kernel internal use */
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#endif
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};
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#ifdef ARCHDATAM
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@ -461,9 +392,9 @@ static const int NEW_MOD_AUTOCLEAN = 4;
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static const int NEW_MOD_VISITED = 8;
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static const int NEW_MOD_USED_ONCE = 16;
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int new_sys_init_module(const char *name, const struct new_module *);
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int query_module(const char *name, int which, void *buf, size_t bufsize,
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size_t *ret);
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int init_module(const char *name, const struct new_module *);
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int query_module(const char *name, int which, void *buf,
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size_t bufsize, size_t *ret);
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/* Values for query_module's which. */
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@ -517,7 +448,7 @@ int delete_module(const char *);
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#ifndef MODUTILS_OBJ_H
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static const int MODUTILS_OBJ_H = 1;
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#ident "$Id: insmod.c,v 1.119 2004/05/26 12:06:38 andersen Exp $"
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#ident "$Id: insmod.c,v 1.120 2004/06/22 11:50:52 andersen Exp $"
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/* The relocatable object is manipulated using elfin types. */
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@ -660,10 +591,8 @@ static void *obj_extend_section (struct obj_section *sec, unsigned long more);
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static int obj_string_patch(struct obj_file *f, int secidx, ElfW(Addr) offset,
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const char *string);
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#ifdef CONFIG_FEATURE_2_4_MODULES
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static int obj_symbol_patch(struct obj_file *f, int secidx, ElfW(Addr) offset,
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struct obj_symbol *sym);
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#endif
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static int obj_check_undefineds(struct obj_file *f);
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@ -695,10 +624,6 @@ static void arch_create_got (struct obj_file *f);
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static int obj_gpl_license(struct obj_file *f, const char **license);
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#ifdef CONFIG_FEATURE_2_4_MODULES
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static int arch_init_module (struct obj_file *f, struct new_module *);
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#endif
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#endif /* obj.h */
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//----------------------------------------------------------------------------
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//--------end of modutils obj.h
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@ -1690,13 +1615,6 @@ static void arch_create_got(struct obj_file *f)
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#endif /* defined(CONFIG_USE_GOT_ENTRIES) || defined(CONFIG_USE_PLT_ENTRIES) */
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}
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#ifdef CONFIG_FEATURE_2_4_MODULES
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static int arch_init_module(struct obj_file *f, struct new_module *mod)
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{
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return 1;
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}
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#endif
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/*======================================================================*/
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/* Standard ELF hash function. */
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@ -2013,8 +1931,7 @@ static void *obj_extend_section(struct obj_section *sec, unsigned long more)
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new module. */
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static int
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add_symbols_from(
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struct obj_file *f,
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add_symbols_from( struct obj_file *f,
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int idx, struct new_module_symbol *syms, size_t nsyms)
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{
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struct new_module_symbol *s;
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@ -2137,371 +2054,6 @@ static char *get_modinfo_value(struct obj_file *f, const char *key)
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}
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/*======================================================================*/
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/* Functions relating to module loading in pre 2.1 kernels. */
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static int
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old_process_module_arguments(struct obj_file *f, int argc, char **argv)
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{
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while (argc > 0) {
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char *p, *q;
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struct obj_symbol *sym;
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int *loc;
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p = *argv;
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if ((q = strchr(p, '=')) == NULL) {
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argc--;
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continue;
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}
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*q++ = '\0';
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sym = obj_find_symbol(f, p);
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/* Also check that the parameter was not resolved from the kernel. */
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if (sym == NULL || sym->secidx > SHN_HIRESERVE) {
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bb_error_msg("symbol for parameter %s not found", p);
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return 0;
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}
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loc = (int *) (f->sections[sym->secidx]->contents + sym->value);
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/* Do C quoting if we begin with a ". */
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if (*q == '"') {
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char *r, *str;
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str = alloca(strlen(q));
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for (r = str, q++; *q != '"'; ++q, ++r) {
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if (*q == '\0') {
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bb_error_msg("improperly terminated string argument for %s", p);
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return 0;
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} else if (*q == '\\')
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switch (*++q) {
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case 'a':
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*r = '\a';
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break;
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case 'b':
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*r = '\b';
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break;
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case 'e':
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*r = '\033';
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break;
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case 'f':
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*r = '\f';
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break;
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case 'n':
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*r = '\n';
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break;
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case 'r':
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*r = '\r';
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break;
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case 't':
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*r = '\t';
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break;
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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{
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int c = *q - '0';
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if (q[1] >= '0' && q[1] <= '7') {
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c = (c * 8) + *++q - '0';
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if (q[1] >= '0' && q[1] <= '7')
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c = (c * 8) + *++q - '0';
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}
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*r = c;
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}
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break;
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default:
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*r = *q;
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break;
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} else
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*r = *q;
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}
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*r = '\0';
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obj_string_patch(f, sym->secidx, sym->value, str);
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} else if (*q >= '0' && *q <= '9') {
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do
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*loc++ = strtoul(q, &q, 0);
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while (*q++ == ',');
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} else {
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char *contents = f->sections[sym->secidx]->contents;
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char *myloc = contents + sym->value;
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char *r; /* To search for commas */
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/* Break the string with comas */
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while ((r = strchr(q, ',')) != (char *) NULL) {
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*r++ = '\0';
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obj_string_patch(f, sym->secidx, myloc - contents, q);
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myloc += sizeof(char *);
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q = r;
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}
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/* last part */
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obj_string_patch(f, sym->secidx, myloc - contents, q);
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}
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argc--, argv++;
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}
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return 1;
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}
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#ifdef CONFIG_FEATURE_INSMOD_VERSION_CHECKING
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static int old_is_module_checksummed(struct obj_file *f)
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{
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return obj_find_symbol(f, "Using_Versions") != NULL;
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}
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/* Get the module's kernel version in the canonical integer form. */
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static int
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old_get_module_version(struct obj_file *f, char str[STRVERSIONLEN])
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{
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struct obj_symbol *sym;
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char *p, *q;
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int a, b, c;
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sym = obj_find_symbol(f, "kernel_version");
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if (sym == NULL)
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return -1;
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p = f->sections[sym->secidx]->contents + sym->value;
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safe_strncpy(str, p, STRVERSIONLEN);
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a = strtoul(p, &p, 10);
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if (*p != '.')
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return -1;
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b = strtoul(p + 1, &p, 10);
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if (*p != '.')
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return -1;
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c = strtoul(p + 1, &q, 10);
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if (p + 1 == q)
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return -1;
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return a << 16 | b << 8 | c;
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}
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#endif /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */
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#ifdef CONFIG_FEATURE_2_2_MODULES
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/* Fetch all the symbols and divvy them up as appropriate for the modules. */
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static int old_get_kernel_symbols(const char *m_name)
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{
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struct old_kernel_sym *ks, *k;
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struct new_module_symbol *s;
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struct external_module *mod;
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int nks, nms, nmod, i;
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nks = get_kernel_syms(NULL);
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if (nks <= 0) {
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if (nks)
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bb_perror_msg("get_kernel_syms: %s", m_name);
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else
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bb_error_msg("No kernel symbols");
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return 0;
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}
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ks = k = xmalloc(nks * sizeof(*ks));
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if (get_kernel_syms(ks) != nks) {
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perror("inconsistency with get_kernel_syms -- is someone else "
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"playing with modules?");
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free(ks);
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return 0;
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}
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/* Collect the module information. */
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mod = NULL;
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nmod = -1;
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while (k->name[0] == '#' && k->name[1]) {
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struct old_kernel_sym *k2;
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/* Find out how many symbols this module has. */
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for (k2 = k + 1; k2->name[0] != '#'; ++k2)
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continue;
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nms = k2 - k - 1;
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mod = xrealloc(mod, (++nmod + 1) * sizeof(*mod));
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mod[nmod].name = k->name + 1;
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mod[nmod].addr = k->value;
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mod[nmod].used = 0;
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mod[nmod].nsyms = nms;
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mod[nmod].syms = s = (nms ? xmalloc(nms * sizeof(*s)) : NULL);
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for (i = 0, ++k; i < nms; ++i, ++s, ++k) {
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s->name = (unsigned long) k->name;
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s->value = k->value;
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}
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k = k2;
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}
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ext_modules = mod;
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n_ext_modules = nmod + 1;
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/* Now collect the symbols for the kernel proper. */
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if (k->name[0] == '#')
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++k;
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nksyms = nms = nks - (k - ks);
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ksyms = s = (nms ? xmalloc(nms * sizeof(*s)) : NULL);
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for (i = 0; i < nms; ++i, ++s, ++k) {
|
||||
s->name = (unsigned long) k->name;
|
||||
s->value = k->value;
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Return the kernel symbol checksum version, or zero if not used. */
|
||||
|
||||
static int old_is_kernel_checksummed(void)
|
||||
{
|
||||
/* Using_Versions is the first symbol. */
|
||||
if (nksyms > 0
|
||||
&& strcmp((char *) ksyms[0].name,
|
||||
"Using_Versions") == 0) return ksyms[0].value;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int old_create_mod_use_count(struct obj_file *f)
|
||||
{
|
||||
struct obj_section *sec;
|
||||
|
||||
sec = obj_create_alloced_section_first(f, ".moduse", sizeof(long),
|
||||
sizeof(long));
|
||||
|
||||
obj_add_symbol(f, "mod_use_count_", -1,
|
||||
ELFW(ST_INFO) (STB_LOCAL, STT_OBJECT), sec->idx, 0,
|
||||
sizeof(long));
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int
|
||||
old_init_module(const char *m_name, struct obj_file *f,
|
||||
unsigned long m_size)
|
||||
{
|
||||
char *image;
|
||||
struct old_mod_routines routines;
|
||||
struct old_symbol_table *symtab;
|
||||
int ret;
|
||||
|
||||
/* Create the symbol table */
|
||||
{
|
||||
int nsyms = 0, strsize = 0, total;
|
||||
|
||||
/* Size things first... */
|
||||
if (flag_export) {
|
||||
int i;
|
||||
for (i = 0; i < HASH_BUCKETS; ++i) {
|
||||
struct obj_symbol *sym;
|
||||
for (sym = f->symtab[i]; sym; sym = sym->next)
|
||||
if (ELFW(ST_BIND) (sym->info) != STB_LOCAL
|
||||
&& sym->secidx <= SHN_HIRESERVE)
|
||||
{
|
||||
sym->ksymidx = nsyms++;
|
||||
strsize += strlen(sym->name) + 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
total = (sizeof(struct old_symbol_table)
|
||||
+ nsyms * sizeof(struct old_module_symbol)
|
||||
+ n_ext_modules_used * sizeof(struct old_module_ref)
|
||||
+ strsize);
|
||||
symtab = xmalloc(total);
|
||||
symtab->size = total;
|
||||
symtab->n_symbols = nsyms;
|
||||
symtab->n_refs = n_ext_modules_used;
|
||||
|
||||
if (flag_export && nsyms) {
|
||||
struct old_module_symbol *ksym;
|
||||
char *str;
|
||||
int i;
|
||||
|
||||
ksym = symtab->symbol;
|
||||
str = ((char *) ksym + nsyms * sizeof(struct old_module_symbol)
|
||||
+ n_ext_modules_used * sizeof(struct old_module_ref));
|
||||
|
||||
for (i = 0; i < HASH_BUCKETS; ++i) {
|
||||
struct obj_symbol *sym;
|
||||
for (sym = f->symtab[i]; sym; sym = sym->next)
|
||||
if (sym->ksymidx >= 0) {
|
||||
ksym->addr = obj_symbol_final_value(f, sym);
|
||||
ksym->name =
|
||||
(unsigned long) str - (unsigned long) symtab;
|
||||
|
||||
strcpy(str, sym->name);
|
||||
str += strlen(sym->name) + 1;
|
||||
ksym++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (n_ext_modules_used) {
|
||||
struct old_module_ref *ref;
|
||||
int i;
|
||||
|
||||
ref = (struct old_module_ref *)
|
||||
((char *) symtab->symbol + nsyms * sizeof(struct old_module_symbol));
|
||||
|
||||
for (i = 0; i < n_ext_modules; ++i)
|
||||
if (ext_modules[i].used)
|
||||
ref++->module = ext_modules[i].addr;
|
||||
}
|
||||
}
|
||||
|
||||
/* Fill in routines. */
|
||||
|
||||
routines.init =
|
||||
obj_symbol_final_value(f, obj_find_symbol(f, SPFX "init_module"));
|
||||
routines.cleanup =
|
||||
obj_symbol_final_value(f, obj_find_symbol(f, SPFX "cleanup_module"));
|
||||
|
||||
/* Whew! All of the initialization is complete. Collect the final
|
||||
module image and give it to the kernel. */
|
||||
|
||||
image = xmalloc(m_size);
|
||||
obj_create_image(f, image);
|
||||
|
||||
/* image holds the complete relocated module, accounting correctly for
|
||||
mod_use_count. However the old module kernel support assume that
|
||||
it is receiving something which does not contain mod_use_count. */
|
||||
ret = old_sys_init_module(m_name, image + sizeof(long),
|
||||
m_size | (flag_autoclean ? OLD_MOD_AUTOCLEAN
|
||||
: 0), &routines, symtab);
|
||||
if (ret)
|
||||
bb_perror_msg("init_module: %s", m_name);
|
||||
|
||||
free(image);
|
||||
free(symtab);
|
||||
|
||||
return ret == 0;
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
#define old_create_mod_use_count(x) TRUE
|
||||
#define old_init_module(x, y, z) TRUE
|
||||
|
||||
#endif /* CONFIG_FEATURE_2_2_MODULES */
|
||||
|
||||
|
||||
|
||||
/*======================================================================*/
|
||||
/* Functions relating to module loading after 2.1.18. */
|
||||
|
||||
@ -2784,8 +2336,6 @@ new_get_module_version(struct obj_file *f, char str[STRVERSIONLEN])
|
||||
#endif /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */
|
||||
|
||||
|
||||
#ifdef CONFIG_FEATURE_2_4_MODULES
|
||||
|
||||
/* Fetch the loaded modules, and all currently exported symbols. */
|
||||
|
||||
static int new_get_kernel_symbols(void)
|
||||
@ -3015,8 +2565,7 @@ static int new_create_module_ksymtab(struct obj_file *f)
|
||||
|
||||
|
||||
static int
|
||||
new_init_module(const char *m_name, struct obj_file *f,
|
||||
unsigned long m_size)
|
||||
new_init_module(const char *m_name, struct obj_file *f, unsigned long m_size)
|
||||
{
|
||||
struct new_module *module;
|
||||
struct obj_section *sec;
|
||||
@ -3079,16 +2628,13 @@ new_init_module(const char *m_name, struct obj_file *f,
|
||||
module->kallsyms_end = module->kallsyms_start + sec->header.sh_size;
|
||||
}
|
||||
|
||||
if (!arch_init_module(f, module))
|
||||
return 0;
|
||||
|
||||
/* Whew! All of the initialization is complete. Collect the final
|
||||
module image and give it to the kernel. */
|
||||
|
||||
image = xmalloc(m_size);
|
||||
obj_create_image(f, image);
|
||||
|
||||
ret = new_sys_init_module(m_name, (struct new_module *) image);
|
||||
ret = init_module(m_name, (struct new_module *) image);
|
||||
if (ret)
|
||||
bb_perror_msg("init_module: %s", m_name);
|
||||
|
||||
@ -3097,16 +2643,6 @@ new_init_module(const char *m_name, struct obj_file *f,
|
||||
return ret == 0;
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
#define new_init_module(x, y, z) TRUE
|
||||
#define new_create_this_module(x, y) 0
|
||||
#define new_add_ksymtab(x, y) -1
|
||||
#define new_create_module_ksymtab(x)
|
||||
#define query_module(v, w, x, y, z) -1
|
||||
|
||||
#endif /* CONFIG_FEATURE_2_4_MODULES */
|
||||
|
||||
|
||||
/*======================================================================*/
|
||||
|
||||
@ -3139,7 +2675,6 @@ obj_string_patch(struct obj_file *f, int secidx, ElfW(Addr) offset,
|
||||
return 1;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_FEATURE_2_4_MODULES
|
||||
static int
|
||||
obj_symbol_patch(struct obj_file *f, int secidx, ElfW(Addr) offset,
|
||||
struct obj_symbol *sym)
|
||||
@ -3155,7 +2690,6 @@ obj_symbol_patch(struct obj_file *f, int secidx, ElfW(Addr) offset,
|
||||
|
||||
return 1;
|
||||
}
|
||||
#endif
|
||||
|
||||
static int obj_check_undefineds(struct obj_file *f)
|
||||
{
|
||||
@ -3853,10 +3387,7 @@ static int
|
||||
get_module_version(struct obj_file *f, char str[STRVERSIONLEN])
|
||||
{
|
||||
#ifdef CONFIG_FEATURE_INSMOD_VERSION_CHECKING
|
||||
if (get_modinfo_value(f, "kernel_version") == NULL)
|
||||
return old_get_module_version(f, str);
|
||||
else
|
||||
return new_get_module_version(f, str);
|
||||
return new_get_module_version(f, str);
|
||||
#else /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */
|
||||
strncpy(str, "???", sizeof(str));
|
||||
return -1;
|
||||
@ -4075,8 +3606,6 @@ static void print_load_map(struct obj_file *f)
|
||||
extern int insmod_main( int argc, char **argv)
|
||||
{
|
||||
int opt;
|
||||
int k_crcs;
|
||||
int k_new_syscalls;
|
||||
int len;
|
||||
char *tmp, *tmp1;
|
||||
unsigned long m_size;
|
||||
@ -4090,7 +3619,7 @@ extern int insmod_main( int argc, char **argv)
|
||||
struct utsname uts_info;
|
||||
char m_strversion[STRVERSIONLEN];
|
||||
int m_version;
|
||||
int m_crcs;
|
||||
int k_crcs, m_crcs;
|
||||
#endif
|
||||
#ifdef CONFIG_FEATURE_CLEAN_UP
|
||||
FILE *fp = 0;
|
||||
@ -4273,8 +3802,6 @@ extern int insmod_main( int argc, char **argv)
|
||||
uts_info.release[0] = '\0';
|
||||
if (m_has_modinfo) {
|
||||
m_version = new_get_module_version(f, m_strversion);
|
||||
} else {
|
||||
m_version = old_get_module_version(f, m_strversion);
|
||||
if (m_version == -1) {
|
||||
bb_error_msg("couldn't find the kernel version the module was "
|
||||
"compiled for");
|
||||
@ -4300,33 +3827,19 @@ extern int insmod_main( int argc, char **argv)
|
||||
k_crcs = 0;
|
||||
#endif /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */
|
||||
|
||||
k_new_syscalls = !query_module(NULL, 0, NULL, 0, NULL);
|
||||
|
||||
if (k_new_syscalls) {
|
||||
#ifdef CONFIG_FEATURE_2_4_MODULES
|
||||
if (!query_module(NULL, 0, NULL, 0, NULL)) {
|
||||
if (!new_get_kernel_symbols())
|
||||
goto out;
|
||||
k_crcs = new_is_kernel_checksummed();
|
||||
#else
|
||||
bb_error_msg("Not configured to support new kernels");
|
||||
goto out;
|
||||
#endif
|
||||
} else {
|
||||
#ifdef CONFIG_FEATURE_2_2_MODULES
|
||||
if (!old_get_kernel_symbols(m_name))
|
||||
goto out;
|
||||
k_crcs = old_is_kernel_checksummed();
|
||||
#else
|
||||
bb_error_msg("Not configured to support old kernels");
|
||||
goto out;
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifdef CONFIG_FEATURE_INSMOD_VERSION_CHECKING
|
||||
m_crcs = 0;
|
||||
if (m_has_modinfo)
|
||||
m_crcs = new_is_module_checksummed(f);
|
||||
else
|
||||
m_crcs = old_is_module_checksummed(f);
|
||||
|
||||
if (m_crcs != k_crcs)
|
||||
obj_set_symbol_compare(f, ncv_strcmp, ncv_symbol_hash);
|
||||
@ -4337,9 +3850,7 @@ extern int insmod_main( int argc, char **argv)
|
||||
|
||||
/* Allocate common symbols, symbol tables, and string tables. */
|
||||
|
||||
if (k_new_syscalls
|
||||
? !new_create_this_module(f, m_name)
|
||||
: !old_create_mod_use_count(f))
|
||||
if (!new_create_this_module(f, m_name))
|
||||
{
|
||||
goto out;
|
||||
}
|
||||
@ -4354,9 +3865,7 @@ extern int insmod_main( int argc, char **argv)
|
||||
++optind;
|
||||
|
||||
if (optind < argc) {
|
||||
if (m_has_modinfo
|
||||
? !new_process_module_arguments(f, argc - optind, argv + optind)
|
||||
: !old_process_module_arguments(f, argc - optind, argv + optind))
|
||||
if (new_process_module_arguments(f, argc - optind, argv + optind))
|
||||
{
|
||||
goto out;
|
||||
}
|
||||
@ -4369,8 +3878,7 @@ extern int insmod_main( int argc, char **argv)
|
||||
add_ksymoops_symbols(f, m_filename, m_name);
|
||||
#endif /* CONFIG_FEATURE_INSMOD_KSYMOOPS_SYMBOLS */
|
||||
|
||||
if (k_new_syscalls)
|
||||
new_create_module_ksymtab(f);
|
||||
new_create_module_ksymtab(f);
|
||||
|
||||
/* Find current size of the module */
|
||||
m_size = obj_load_size(f);
|
||||
@ -4406,9 +3914,7 @@ extern int insmod_main( int argc, char **argv)
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (k_new_syscalls
|
||||
? !new_init_module(m_name, f, m_size)
|
||||
: !old_init_module(m_name, f, m_size))
|
||||
if (!new_init_module(m_name, f, m_size))
|
||||
{
|
||||
delete_module(m_name);
|
||||
goto out;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user