diff options
Diffstat (limited to 'modutils/insmod.c')
| -rw-r--r-- | modutils/insmod.c | 131 |
1 files changed, 65 insertions, 66 deletions
diff --git a/modutils/insmod.c b/modutils/insmod.c index 6b81ca7..c21f22b 100644 --- a/modutils/insmod.c +++ b/modutils/insmod.c @@ -5,9 +5,8 @@ * This version of insmod supports x86, ARM, SH3/4, powerpc, m68k, * and MIPS. * - * - * Copyright (C) 1999,2000,2001 by Lineo, inc. - * Written by Erik Andersen <andersen@lineo.com> + * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen + * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org> * and Ron Alder <alder@lineo.com> * * Modified by Bryan Rittmeyer <bryan@ixiacom.com> to support SH4 @@ -22,7 +21,7 @@ * PowerPC specific code stolen from modutils-2.3.16, * written by Paul Mackerras, Copyright 1996, 1997 Linux International. * I've only tested the code on mpc8xx platforms in big-endian mode. - * Did some cleanup and added BB_USE_xxx_ENTRIES... + * Did some cleanup and added CONFIG_USE_xxx_ENTRIES... * * Quinn Jensen <jensenq@lineo.com> added MIPS support 23-Feb-2001. * based on modutils-2.4.2 @@ -66,39 +65,39 @@ #include <sys/utsname.h> #include "busybox.h" -#ifdef BB_FEATURE_NEW_MODULE_INTERFACE -# undef BB_FEATURE_OLD_MODULE_INTERFACE +#ifdef CONFIG_FEATURE_NEW_MODULE_INTERFACE +# undef CONFIG_FEATURE_OLD_MODULE_INTERFACE # define new_sys_init_module init_module #else # define old_sys_init_module init_module #endif -#ifdef BB_FEATURE_INSMOD_LOADINKMEM +#ifdef CONFIG_FEATURE_INSMOD_LOADINKMEM #define LOADBITS 0 #else #define LOADBITS 1 #endif #if defined(__powerpc__) -#define BB_USE_PLT_ENTRIES -#define BB_PLT_ENTRY_SIZE 16 +#define CONFIG_USE_PLT_ENTRIES +#define CONFIG_PLT_ENTRY_SIZE 16 #endif #if defined(__arm__) -#define BB_USE_PLT_ENTRIES -#define BB_PLT_ENTRY_SIZE 8 -#define BB_USE_GOT_ENTRIES -#define BB_GOT_ENTRY_SIZE 8 +#define CONFIG_USE_PLT_ENTRIES +#define CONFIG_PLT_ENTRY_SIZE 8 +#define CONFIG_USE_GOT_ENTRIES +#define CONFIG_GOT_ENTRY_SIZE 8 #endif #if defined(__sh__) -#define BB_USE_GOT_ENTRIES -#define BB_GOT_ENTRY_SIZE 4 +#define CONFIG_USE_GOT_ENTRIES +#define CONFIG_GOT_ENTRY_SIZE 4 #endif #if defined(__i386__) -#define BB_USE_GOT_ENTRIES -#define BB_GOT_ENTRY_SIZE 4 +#define CONFIG_USE_GOT_ENTRIES +#define CONFIG_GOT_ENTRY_SIZE 4 #endif #if defined(__mips__) @@ -134,7 +133,7 @@ #ifndef MODUTILS_MODULE_H static const int MODUTILS_MODULE_H = 1; -#ident "$Id: insmod.c,v 1.73 2001/08/22 05:41:57 andersen Exp $" +#ident "$Id: insmod.c,v 1.74 2001/10/24 04:59:54 andersen Exp $" /* This file contains the structures used by the 2.0 and 2.1 kernels. We do not use the kernel headers directly because we do not wish @@ -267,7 +266,7 @@ struct new_module unsigned tgt_long persist_end; unsigned tgt_long can_unload; unsigned tgt_long runsize; -#ifdef BB_FEATURE_NEW_MODULE_INTERFACE +#ifdef CONFIG_FEATURE_NEW_MODULE_INTERFACE const char *kallsyms_start; /* All symbols for kernel debugging */ const char *kallsyms_end; const char *archdata_start; /* arch specific data for module */ @@ -351,7 +350,7 @@ int delete_module(const char *); #ifndef MODUTILS_OBJ_H static const int MODUTILS_OBJ_H = 1; -#ident "$Id: insmod.c,v 1.73 2001/08/22 05:41:57 andersen Exp $" +#ident "$Id: insmod.c,v 1.74 2001/10/24 04:59:54 andersen Exp $" /* The relocatable object is manipulated using elfin types. */ @@ -551,7 +550,7 @@ static struct obj_symbol *obj_find_symbol (struct obj_file *f, static ElfW(Addr) obj_symbol_final_value(struct obj_file *f, struct obj_symbol *sym); -#ifdef BB_FEATURE_INSMOD_VERSION_CHECKING +#ifdef CONFIG_FEATURE_INSMOD_VERSION_CHECKING static void obj_set_symbol_compare(struct obj_file *f, int (*cmp)(const char *, const char *), unsigned long (*hash)(const char *)); @@ -643,7 +642,7 @@ static int flag_export = 1; -#if defined(BB_USE_PLT_ENTRIES) +#if defined(CONFIG_USE_PLT_ENTRIES) struct arch_plt_entry { int offset; @@ -652,7 +651,7 @@ struct arch_plt_entry }; #endif -#if defined(BB_USE_GOT_ENTRIES) +#if defined(CONFIG_USE_GOT_ENTRIES) struct arch_got_entry { int offset; unsigned offset_done:1; @@ -671,10 +670,10 @@ struct mips_hi16 struct arch_file { struct obj_file root; -#if defined(BB_USE_PLT_ENTRIES) +#if defined(CONFIG_USE_PLT_ENTRIES) struct obj_section *plt; #endif -#if defined(BB_USE_GOT_ENTRIES) +#if defined(CONFIG_USE_GOT_ENTRIES) struct obj_section *got; #endif #if defined(__mips__) @@ -684,10 +683,10 @@ struct arch_file { struct arch_symbol { struct obj_symbol root; -#if defined(BB_USE_PLT_ENTRIES) +#if defined(CONFIG_USE_PLT_ENTRIES) struct arch_plt_entry pltent; #endif -#if defined(BB_USE_GOT_ENTRIES) +#if defined(CONFIG_USE_GOT_ENTRIES) struct arch_got_entry gotent; #endif }; @@ -746,10 +745,10 @@ static struct obj_file *arch_new_file(void) struct arch_file *f; f = xmalloc(sizeof(*f)); -#if defined(BB_USE_PLT_ENTRIES) +#if defined(CONFIG_USE_PLT_ENTRIES) f->plt = NULL; #endif -#if defined(BB_USE_GOT_ENTRIES) +#if defined(CONFIG_USE_GOT_ENTRIES) f->got = NULL; #endif #if defined(__mips__) @@ -769,10 +768,10 @@ static struct obj_symbol *arch_new_symbol(void) struct arch_symbol *sym; sym = xmalloc(sizeof(*sym)); -#if defined(BB_USE_PLT_ENTRIES) +#if defined(CONFIG_USE_PLT_ENTRIES) memset(&sym->pltent, 0, sizeof(sym->pltent)); #endif -#if defined(BB_USE_GOT_ENTRIES) +#if defined(CONFIG_USE_GOT_ENTRIES) memset(&sym->gotent, 0, sizeof(sym->gotent)); #endif @@ -793,10 +792,10 @@ arch_apply_relocation(struct obj_file *f, ElfW(Addr) *loc = (ElfW(Addr) *) (targsec->contents + rel->r_offset); ElfW(Addr) dot = targsec->header.sh_addr + rel->r_offset; -#if defined(BB_USE_GOT_ENTRIES) +#if defined(CONFIG_USE_GOT_ENTRIES) ElfW(Addr) got = ifile->got ? ifile->got->header.sh_addr : 0; #endif -#if defined(BB_USE_PLT_ENTRIES) +#if defined(CONFIG_USE_PLT_ENTRIES) ElfW(Addr) plt = ifile->plt ? ifile->plt->header.sh_addr : 0; struct arch_plt_entry *pe; unsigned long *ip; @@ -984,7 +983,7 @@ arch_apply_relocation(struct obj_file *f, #elif defined(__i386__) #endif -#if defined(BB_USE_PLT_ENTRIES) +#if defined(CONFIG_USE_PLT_ENTRIES) #if defined(__arm__) case R_ARM_PC24: @@ -1037,7 +1036,7 @@ arch_apply_relocation(struct obj_file *f, *loc = (*loc & ~0x03fffffc) | (v & 0x03fffffc); #endif break; -#endif /* BB_USE_PLT_ENTRIES */ +#endif /* CONFIG_USE_PLT_ENTRIES */ #if defined(__arm__) #elif defined(__sh__) @@ -1072,7 +1071,7 @@ arch_apply_relocation(struct obj_file *f, break; #endif -#if defined(BB_USE_GOT_ENTRIES) +#if defined(CONFIG_USE_GOT_ENTRIES) #if !defined(__68k__) #if defined(__sh__) @@ -1130,7 +1129,7 @@ arch_apply_relocation(struct obj_file *f, break; #endif // __mc68000__ -#endif /* BB_USE_GOT_ENTRIES */ +#endif /* CONFIG_USE_GOT_ENTRIES */ default: printf("Warning: unhandled reloc %d\n",(int)ELF32_R_TYPE(rel->r_info)); @@ -1143,13 +1142,13 @@ arch_apply_relocation(struct obj_file *f, static int arch_create_got(struct obj_file *f) { -#if defined(BB_USE_GOT_ENTRIES) || defined(BB_USE_PLT_ENTRIES) +#if defined(CONFIG_USE_GOT_ENTRIES) || defined(CONFIG_USE_PLT_ENTRIES) struct arch_file *ifile = (struct arch_file *) f; int i; -#if defined(BB_USE_GOT_ENTRIES) +#if defined(CONFIG_USE_GOT_ENTRIES) int got_offset = 0, gotneeded = 0; #endif -#if defined(BB_USE_PLT_ENTRIES) +#if defined(CONFIG_USE_PLT_ENTRIES) int plt_offset = 0, pltneeded = 0; #endif struct obj_section *relsec, *symsec, *strsec; @@ -1226,18 +1225,18 @@ static int arch_create_got(struct obj_file *f) name = f->sections[extsym->st_shndx]->name; } intsym = (struct arch_symbol *) obj_find_symbol(f, name); -#if defined(BB_USE_GOT_ENTRIES) +#if defined(CONFIG_USE_GOT_ENTRIES) if (!intsym->gotent.offset_done) { intsym->gotent.offset_done = 1; intsym->gotent.offset = got_offset; - got_offset += BB_GOT_ENTRY_SIZE; + got_offset += CONFIG_GOT_ENTRY_SIZE; } #endif -#if defined(BB_USE_PLT_ENTRIES) +#if defined(CONFIG_USE_PLT_ENTRIES) if (pltneeded && intsym->pltent.allocated == 0) { intsym->pltent.allocated = 1; intsym->pltent.offset = plt_offset; - plt_offset += BB_PLT_ENTRY_SIZE; + plt_offset += CONFIG_PLT_ENTRY_SIZE; intsym->pltent.inited = 0; pltneeded = 0; } @@ -1245,7 +1244,7 @@ static int arch_create_got(struct obj_file *f) } } -#if defined(BB_USE_GOT_ENTRIES) +#if defined(CONFIG_USE_GOT_ENTRIES) if (got_offset) { struct obj_section* myrelsec = obj_find_section(f, ".got"); @@ -1253,7 +1252,7 @@ static int arch_create_got(struct obj_file *f) obj_extend_section(myrelsec, got_offset); } else { myrelsec = obj_create_alloced_section(f, ".got", - BB_GOT_ENTRY_SIZE, + CONFIG_GOT_ENTRY_SIZE, got_offset); assert(myrelsec); } @@ -1262,10 +1261,10 @@ static int arch_create_got(struct obj_file *f) } #endif -#if defined(BB_USE_PLT_ENTRIES) +#if defined(CONFIG_USE_PLT_ENTRIES) if (plt_offset) ifile->plt = obj_create_alloced_section(f, ".plt", - BB_PLT_ENTRY_SIZE, + CONFIG_PLT_ENTRY_SIZE, plt_offset); #endif #endif @@ -1304,7 +1303,7 @@ static unsigned long obj_elf_hash(const char *name) return obj_elf_hash_n(name, strlen(name)); } -#ifdef BB_FEATURE_INSMOD_VERSION_CHECKING +#ifdef CONFIG_FEATURE_INSMOD_VERSION_CHECKING /* String comparison for non-co-versioned kernel and module. */ static int ncv_strcmp(const char *a, const char *b) @@ -1356,7 +1355,7 @@ obj_set_symbol_compare(struct obj_file *f, } } -#endif /* BB_FEATURE_INSMOD_VERSION_CHECKING */ +#endif /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */ static struct obj_symbol * obj_add_symbol(struct obj_file *f, const char *name, @@ -1787,7 +1786,7 @@ old_process_module_arguments(struct obj_file *f, int argc, char **argv) return 1; } -#ifdef BB_FEATURE_INSMOD_VERSION_CHECKING +#ifdef CONFIG_FEATURE_INSMOD_VERSION_CHECKING static int old_is_module_checksummed(struct obj_file *f) { return obj_find_symbol(f, "Using_Versions") != NULL; @@ -1821,9 +1820,9 @@ old_get_module_version(struct obj_file *f, char str[STRVERSIONLEN]) return a << 16 | b << 8 | c; } -#endif /* BB_FEATURE_INSMOD_VERSION_CHECKING */ +#endif /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */ -#ifdef BB_FEATURE_OLD_MODULE_INTERFACE +#ifdef CONFIG_FEATURE_OLD_MODULE_INTERFACE /* Fetch all the symbols and divvy them up as appropriate for the modules. */ @@ -2033,7 +2032,7 @@ old_init_module(const char *m_name, struct obj_file *f, #define old_create_mod_use_count(x) TRUE #define old_init_module(x, y, z) TRUE -#endif /* BB_FEATURE_OLD_MODULE_INTERFACE */ +#endif /* CONFIG_FEATURE_OLD_MODULE_INTERFACE */ @@ -2273,7 +2272,7 @@ new_process_module_arguments(struct obj_file *f, int argc, char **argv) return 1; } -#ifdef BB_FEATURE_INSMOD_VERSION_CHECKING +#ifdef CONFIG_FEATURE_INSMOD_VERSION_CHECKING static int new_is_module_checksummed(struct obj_file *f) { const char *p = get_modinfo_value(f, "using_checksums"); @@ -2309,10 +2308,10 @@ new_get_module_version(struct obj_file *f, char str[STRVERSIONLEN]) return a << 16 | b << 8 | c; } -#endif /* BB_FEATURE_INSMOD_VERSION_CHECKING */ +#endif /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */ -#ifdef BB_FEATURE_NEW_MODULE_INTERFACE +#ifdef CONFIG_FEATURE_NEW_MODULE_INTERFACE /* Fetch the loaded modules, and all currently exported symbols. */ @@ -2601,7 +2600,7 @@ new_init_module(const char *m_name, struct obj_file *f, #define new_create_module_ksymtab(x) #define query_module(v, w, x, y, z) -1 -#endif /* BB_FEATURE_NEW_MODULE_INTERFACE */ +#endif /* CONFIG_FEATURE_NEW_MODULE_INTERFACE */ /*======================================================================*/ @@ -3155,7 +3154,7 @@ static struct obj_file *obj_load(FILE * fp, int loadprogbits) return f; } -#ifdef BB_FEATURE_INSMOD_LOADINKMEM +#ifdef CONFIG_FEATURE_INSMOD_LOADINKMEM /* * load the unloaded sections directly into the memory allocated by * kernel for the module @@ -3222,7 +3221,7 @@ extern int insmod_main( int argc, char **argv) char m_name[FILENAME_MAX + 1] = "\0"; int exit_status = EXIT_FAILURE; int m_has_modinfo; -#ifdef BB_FEATURE_INSMOD_VERSION_CHECKING +#ifdef CONFIG_FEATURE_INSMOD_VERSION_CHECKING struct utsname uts_info; char m_strversion[STRVERSIONLEN]; int m_version; @@ -3335,7 +3334,7 @@ extern int insmod_main( int argc, char **argv) else m_has_modinfo = 1; -#ifdef BB_FEATURE_INSMOD_VERSION_CHECKING +#ifdef CONFIG_FEATURE_INSMOD_VERSION_CHECKING /* Version correspondence? */ if (uname(&uts_info) < 0) @@ -3366,12 +3365,12 @@ extern int insmod_main( int argc, char **argv) } } k_crcs = 0; -#endif /* BB_FEATURE_INSMOD_VERSION_CHECKING */ +#endif /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */ k_new_syscalls = !query_module(NULL, 0, NULL, 0, NULL); if (k_new_syscalls) { -#ifdef BB_FEATURE_NEW_MODULE_INTERFACE +#ifdef CONFIG_FEATURE_NEW_MODULE_INTERFACE if (!new_get_kernel_symbols()) goto out; k_crcs = new_is_kernel_checksummed(); @@ -3380,7 +3379,7 @@ extern int insmod_main( int argc, char **argv) goto out; #endif } else { -#ifdef BB_FEATURE_OLD_MODULE_INTERFACE +#ifdef CONFIG_FEATURE_OLD_MODULE_INTERFACE if (!old_get_kernel_symbols(m_name)) goto out; k_crcs = old_is_kernel_checksummed(); @@ -3390,7 +3389,7 @@ extern int insmod_main( int argc, char **argv) #endif } -#ifdef BB_FEATURE_INSMOD_VERSION_CHECKING +#ifdef CONFIG_FEATURE_INSMOD_VERSION_CHECKING if (m_has_modinfo) m_crcs = new_is_module_checksummed(f); else @@ -3398,7 +3397,7 @@ extern int insmod_main( int argc, char **argv) if (m_crcs != k_crcs) obj_set_symbol_compare(f, ncv_strcmp, ncv_symbol_hash); -#endif /* BB_FEATURE_INSMOD_VERSION_CHECKING */ +#endif /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */ /* Let the module know about the kernel symbols. */ add_kernel_symbols(f); |