#ifndef MODUTILS_MODULE_H
static const int MODUTILS_MODULE_H = 1;
-#ident "$Id: insmod.c,v 1.108 2003/12/19 21:04:19 andersen Exp $"
+#ident "$Id: insmod.c,v 1.109 2003/12/24 20:30:45 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
/* The symbol format used by get_kernel_syms(2). */
struct old_kernel_sym
{
- unsigned long value;
- char name[60];
+ unsigned long value;
+ char name[60];
};
struct old_module_ref
{
- unsigned long module; /* kernel addresses */
- unsigned long next;
+ unsigned long module; /* kernel addresses */
+ unsigned long next;
};
struct old_module_symbol
{
- unsigned long addr;
- unsigned long name;
+ unsigned long addr;
+ unsigned long name;
};
struct old_symbol_table
{
- int size; /* total, including string table!!! */
- int n_symbols;
- int n_refs;
- struct old_module_symbol symbol[0]; /* actual size defined by n_symbols */
- struct old_module_ref ref[0]; /* actual size defined by n_refs */
+ int size; /* total, including string table!!! */
+ int n_symbols;
+ int n_refs;
+ struct old_module_symbol symbol[0]; /* actual size defined by n_symbols */
+ struct old_module_ref ref[0]; /* actual size defined by n_refs */
};
struct old_mod_routines
{
- unsigned long init;
- unsigned long cleanup;
+ unsigned long init;
+ unsigned long cleanup;
};
struct old_module
{
- unsigned long next;
- unsigned long ref; /* the list of modules that refer to me */
- unsigned long symtab;
- unsigned long name;
- int size; /* size of module in pages */
- unsigned long addr; /* address of module */
- int state;
- unsigned long cleanup; /* cleanup routine */
+ unsigned long next;
+ unsigned long ref; /* the list of modules that refer to me */
+ unsigned long symtab;
+ unsigned long name;
+ int size; /* size of module in pages */
+ unsigned long addr; /* address of module */
+ int state;
+ unsigned long cleanup; /* cleanup routine */
};
/* Sent to init_module(2) or'ed into the code size parameter. */
/* Note: new_module_symbol does not use tgt_long intentionally */
struct new_module_symbol
{
- unsigned long value;
- unsigned long name;
+ unsigned long value;
+ unsigned long name;
};
struct new_module_persist;
struct new_module_ref
{
- unsigned tgt_long dep; /* kernel addresses */
- unsigned tgt_long ref;
- unsigned tgt_long next_ref;
+ unsigned tgt_long dep; /* kernel addresses */
+ unsigned tgt_long ref;
+ unsigned tgt_long next_ref;
};
struct new_module
{
- unsigned tgt_long size_of_struct; /* == sizeof(module) */
- unsigned tgt_long next;
- unsigned tgt_long name;
- unsigned tgt_long size;
-
- tgt_long usecount;
- unsigned tgt_long flags; /* AUTOCLEAN et al */
-
- unsigned nsyms;
- unsigned ndeps;
-
- unsigned tgt_long syms;
- unsigned tgt_long deps;
- unsigned tgt_long refs;
- unsigned tgt_long init;
- unsigned tgt_long cleanup;
- unsigned tgt_long ex_table_start;
- unsigned tgt_long ex_table_end;
+ unsigned tgt_long size_of_struct; /* == sizeof(module) */
+ unsigned tgt_long next;
+ unsigned tgt_long name;
+ unsigned tgt_long size;
+
+ tgt_long usecount;
+ unsigned tgt_long flags; /* AUTOCLEAN et al */
+
+ unsigned nsyms;
+ unsigned ndeps;
+
+ unsigned tgt_long syms;
+ unsigned tgt_long deps;
+ unsigned tgt_long refs;
+ unsigned tgt_long init;
+ unsigned tgt_long cleanup;
+ unsigned tgt_long ex_table_start;
+ unsigned tgt_long ex_table_end;
#ifdef __alpha__
- unsigned tgt_long gp;
+ unsigned tgt_long gp;
#endif
- /* Everything after here is extension. */
- unsigned tgt_long persist_start;
- unsigned tgt_long persist_end;
- unsigned tgt_long can_unload;
- unsigned tgt_long runsize;
+ /* Everything after here is extension. */
+ unsigned tgt_long persist_start;
+ unsigned tgt_long persist_end;
+ unsigned tgt_long can_unload;
+ unsigned tgt_long runsize;
#ifdef CONFIG_FEATURE_2_4_MODULES
- const char *kallsyms_start; /* All symbols for kernel debugging */
- const char *kallsyms_end;
- const char *archdata_start; /* arch specific data for module */
- const char *archdata_end;
- const char *kernel_data; /* Reserved for kernel internal use */
+ const char *kallsyms_start; /* All symbols for kernel debugging */
+ const char *kallsyms_end;
+ const char *archdata_start; /* arch specific data for module */
+ const char *archdata_end;
+ const char *kernel_data; /* Reserved for kernel internal use */
#endif
};
struct new_module_info
{
- unsigned long addr;
- unsigned long size;
- unsigned long flags;
- long usecount;
+ unsigned long addr;
+ unsigned long size;
+ unsigned long flags;
+ long usecount;
};
/* Bits of module.flags. */
#ifndef MODUTILS_OBJ_H
static const int MODUTILS_OBJ_H = 1;
-#ident "$Id: insmod.c,v 1.108 2003/12/19 21:04:19 andersen Exp $"
+#ident "$Id: insmod.c,v 1.109 2003/12/24 20:30:45 andersen Exp $"
/* The relocatable object is manipulated using elfin types. */
struct obj_section
{
- ElfW(Shdr) header;
- const char *name;
- char *contents;
- struct obj_section *load_next;
- int idx;
+ ElfW(Shdr) header;
+ const char *name;
+ char *contents;
+ struct obj_section *load_next;
+ int idx;
};
struct obj_symbol
{
- struct obj_symbol *next; /* hash table link */
- const char *name;
- unsigned long value;
- unsigned long size;
- int secidx; /* the defining section index/module */
- int info;
- int ksymidx; /* for export to the kernel symtab */
- int referenced; /* actually used in the link */
+ struct obj_symbol *next; /* hash table link */
+ const char *name;
+ unsigned long value;
+ unsigned long size;
+ int secidx; /* the defining section index/module */
+ int info;
+ int ksymidx; /* for export to the kernel symtab */
+ int referenced; /* actually used in the link */
};
/* Hardcode the hash table size. We shouldn't be needing so many
struct obj_file
{
- ElfW(Ehdr) header;
- ElfW(Addr) baseaddr;
- struct obj_section **sections;
- struct obj_section *load_order;
- struct obj_section **load_order_search_start;
- struct obj_string_patch *string_patches;
- struct obj_symbol_patch *symbol_patches;
- int (*symbol_cmp)(const char *, const char *);
- unsigned long (*symbol_hash)(const char *);
- unsigned long local_symtab_size;
- struct obj_symbol **local_symtab;
- struct obj_symbol *symtab[HASH_BUCKETS];
+ ElfW(Ehdr) header;
+ ElfW(Addr) baseaddr;
+ struct obj_section **sections;
+ struct obj_section *load_order;
+ struct obj_section **load_order_search_start;
+ struct obj_string_patch *string_patches;
+ struct obj_symbol_patch *symbol_patches;
+ int (*symbol_cmp)(const char *, const char *);
+ unsigned long (*symbol_hash)(const char *);
+ unsigned long local_symtab_size;
+ struct obj_symbol **local_symtab;
+ struct obj_symbol *symtab[HASH_BUCKETS];
};
enum obj_reloc
{
- obj_reloc_ok,
- obj_reloc_overflow,
- obj_reloc_dangerous,
- obj_reloc_unhandled
+ obj_reloc_ok,
+ obj_reloc_overflow,
+ obj_reloc_dangerous,
+ obj_reloc_unhandled
};
struct obj_string_patch
{
- struct obj_string_patch *next;
- int reloc_secidx;
- ElfW(Addr) reloc_offset;
- ElfW(Addr) string_offset;
+ struct obj_string_patch *next;
+ int reloc_secidx;
+ ElfW(Addr) reloc_offset;
+ ElfW(Addr) string_offset;
};
struct obj_symbol_patch
{
- struct obj_symbol_patch *next;
- int reloc_secidx;
- ElfW(Addr) reloc_offset;
- struct obj_symbol *sym;
+ struct obj_symbol_patch *next;
+ int reloc_secidx;
+ ElfW(Addr) reloc_offset;
+ struct obj_symbol *sym;
};
#if defined(__mips__)
struct mips_hi16
{
- struct mips_hi16 *next;
- Elf32_Addr *addr;
- Elf32_Addr value;
+ struct mips_hi16 *next;
+ Elf32_Addr *addr;
+ Elf32_Addr value;
};
#endif
#if defined(__arm__)
- case R_ARM_NONE:
- break;
-
- case R_ARM_ABS32:
- *loc += v;
- break;
-
- case R_ARM_GOT32:
- goto bb_use_got;
-
- case R_ARM_GOTPC:
- /* relative reloc, always to _GLOBAL_OFFSET_TABLE_
- * (which is .got) similar to branch,
- * but is full 32 bits relative */
-
- assert(got);
- *loc += got - dot;
- break;
-
- case R_ARM_PC24:
- case R_ARM_PLT32:
- goto bb_use_plt;
-
- case R_ARM_GOTOFF: /* address relative to the got */
- assert(got);
- *loc += v - got;
- break;
+ case R_ARM_NONE:
+ break;
+
+ case R_ARM_ABS32:
+ *loc += v;
+ break;
+
+ case R_ARM_GOT32:
+ goto bb_use_got;
+
+ case R_ARM_GOTPC:
+ /* relative reloc, always to _GLOBAL_OFFSET_TABLE_
+ * (which is .got) similar to branch,
+ * but is full 32 bits relative */
+
+ assert(got);
+ *loc += got - dot;
+ break;
+
+ case R_ARM_PC24:
+ case R_ARM_PLT32:
+ goto bb_use_plt;
+
+ case R_ARM_GOTOFF: /* address relative to the got */
+ assert(got);
+ *loc += v - got;
+ break;
#elif defined(__s390__)
- case R_390_32:
- *(unsigned int *) loc += v;
- break;
- case R_390_16:
- *(unsigned short *) loc += v;
- break;
- case R_390_8:
- *(unsigned char *) loc += v;
- break;
-
- case R_390_PC32:
- *(unsigned int *) loc += v - dot;
- break;
- case R_390_PC16DBL:
- *(unsigned short *) loc += (v - dot) >> 1;
- break;
- case R_390_PC16:
- *(unsigned short *) loc += v - dot;
- break;
-
- case R_390_PLT32:
- case R_390_PLT16DBL:
- /* find the plt entry and initialize it. */
- assert(isym != NULL);
- pe = (struct arch_single_entry *) &isym->pltent;
- assert(pe->allocated);
- if (pe->inited == 0) {
- ip = (unsigned long *)(ifile->plt->contents + pe->offset);
- ip[0] = 0x0d105810; /* basr 1,0; lg 1,10(1); br 1 */
- ip[1] = 0x100607f1;
- if (ELF32_R_TYPE(rel->r_info) == R_390_PLT16DBL)
- ip[2] = v - 2;
- else
- ip[2] = v;
- pe->inited = 1;
- }
-
- /* Insert relative distance to target. */
- v = plt + pe->offset - dot;
- if (ELF32_R_TYPE(rel->r_info) == R_390_PLT32)
- *(unsigned int *) loc = (unsigned int) v;
- else if (ELF32_R_TYPE(rel->r_info) == R_390_PLT16DBL)
- *(unsigned short *) loc = (unsigned short) ((v + 2) >> 1);
- break;
-
- case R_390_GLOB_DAT:
- case R_390_JMP_SLOT:
- *loc = v;
- break;
-
- case R_390_RELATIVE:
- *loc += f->baseaddr;
- break;
-
- case R_390_GOTPC:
- assert(got != 0);
- *(unsigned long *) loc += got - dot;
- break;
-
- case R_390_GOT12:
- case R_390_GOT16:
- case R_390_GOT32:
- assert(isym != NULL);
- assert(got != 0);
- if (!isym->gotent.inited)
- {
- isym->gotent.inited = 1;
- *(Elf32_Addr *)(ifile->got->contents + isym->gotent.offset) = v;
- }
- if (ELF32_R_TYPE(rel->r_info) == R_390_GOT12)
- *(unsigned short *) loc |= (*(unsigned short *) loc + isym->gotent.offset) & 0xfff;
- else if (ELF32_R_TYPE(rel->r_info) == R_390_GOT16)
- *(unsigned short *) loc += isym->gotent.offset;
- else if (ELF32_R_TYPE(rel->r_info) == R_390_GOT32)
- *(unsigned int *) loc += isym->gotent.offset;
- break;
+ case R_390_32:
+ *(unsigned int *) loc += v;
+ break;
+ case R_390_16:
+ *(unsigned short *) loc += v;
+ break;
+ case R_390_8:
+ *(unsigned char *) loc += v;
+ break;
+
+ case R_390_PC32:
+ *(unsigned int *) loc += v - dot;
+ break;
+ case R_390_PC16DBL:
+ *(unsigned short *) loc += (v - dot) >> 1;
+ break;
+ case R_390_PC16:
+ *(unsigned short *) loc += v - dot;
+ break;
+
+ case R_390_PLT32:
+ case R_390_PLT16DBL:
+ /* find the plt entry and initialize it. */
+ assert(isym != NULL);
+ pe = (struct arch_single_entry *) &isym->pltent;
+ assert(pe->allocated);
+ if (pe->inited == 0) {
+ ip = (unsigned long *)(ifile->plt->contents + pe->offset);
+ ip[0] = 0x0d105810; /* basr 1,0; lg 1,10(1); br 1 */
+ ip[1] = 0x100607f1;
+ if (ELF32_R_TYPE(rel->r_info) == R_390_PLT16DBL)
+ ip[2] = v - 2;
+ else
+ ip[2] = v;
+ pe->inited = 1;
+ }
+
+ /* Insert relative distance to target. */
+ v = plt + pe->offset - dot;
+ if (ELF32_R_TYPE(rel->r_info) == R_390_PLT32)
+ *(unsigned int *) loc = (unsigned int) v;
+ else if (ELF32_R_TYPE(rel->r_info) == R_390_PLT16DBL)
+ *(unsigned short *) loc = (unsigned short) ((v + 2) >> 1);
+ break;
+
+ case R_390_GLOB_DAT:
+ case R_390_JMP_SLOT:
+ *loc = v;
+ break;
+
+ case R_390_RELATIVE:
+ *loc += f->baseaddr;
+ break;
+
+ case R_390_GOTPC:
+ assert(got != 0);
+ *(unsigned long *) loc += got - dot;
+ break;
+
+ case R_390_GOT12:
+ case R_390_GOT16:
+ case R_390_GOT32:
+ assert(isym != NULL);
+ assert(got != 0);
+ if (!isym->gotent.inited)
+ {
+ isym->gotent.inited = 1;
+ *(Elf32_Addr *)(ifile->got->contents + isym->gotent.offset) = v;
+ }
+ if (ELF32_R_TYPE(rel->r_info) == R_390_GOT12)
+ *(unsigned short *) loc |= (*(unsigned short *) loc + isym->gotent.offset) & 0xfff;
+ else if (ELF32_R_TYPE(rel->r_info) == R_390_GOT16)
+ *(unsigned short *) loc += isym->gotent.offset;
+ else if (ELF32_R_TYPE(rel->r_info) == R_390_GOT32)
+ *(unsigned int *) loc += isym->gotent.offset;
+ break;
#ifndef R_390_GOTOFF32
#define R_390_GOTOFF32 R_390_GOTOFF
#endif
- case R_390_GOTOFF32:
- assert(got != 0);
- *loc += v - got;
- break;
+ case R_390_GOTOFF32:
+ assert(got != 0);
+ *loc += v - got;
+ break;
#elif defined(__i386__)
- case R_386_NONE:
- break;
+ case R_386_NONE:
+ break;
- case R_386_32:
- *loc += v;
- break;
+ case R_386_32:
+ *loc += v;
+ break;
- case R_386_PLT32:
- case R_386_PC32:
- *loc += v - dot;
- break;
+ case R_386_PLT32:
+ case R_386_PC32:
+ *loc += v - dot;
+ break;
- case R_386_GLOB_DAT:
- case R_386_JMP_SLOT:
- *loc = v;
- break;
+ case R_386_GLOB_DAT:
+ case R_386_JMP_SLOT:
+ *loc = v;
+ break;
- case R_386_RELATIVE:
- *loc += f->baseaddr;
- break;
+ case R_386_RELATIVE:
+ *loc += f->baseaddr;
+ break;
- case R_386_GOTPC:
- assert(got != 0);
- *loc += got - dot;
- break;
+ case R_386_GOTPC:
+ assert(got != 0);
+ *loc += got - dot;
+ break;
- case R_386_GOT32:
- goto bb_use_got;
+ case R_386_GOT32:
+ goto bb_use_got;
- case R_386_GOTOFF:
- assert(got != 0);
- *loc += v - got;
- break;
+ case R_386_GOTOFF:
+ assert(got != 0);
+ *loc += v - got;
+ break;
#elif defined(__mc68000__)
- case R_68K_NONE:
- break;
+ case R_68K_NONE:
+ break;
- case R_68K_32:
- *loc += v;
- break;
+ case R_68K_32:
+ *loc += v;
+ break;
- case R_68K_8:
- if (v > 0xff) {
- ret = obj_reloc_overflow;
- }
- *(char *)loc = v;
- break;
+ case R_68K_8:
+ if (v > 0xff) {
+ ret = obj_reloc_overflow;
+ }
+ *(char *)loc = v;
+ break;
- case R_68K_16:
- if (v > 0xffff) {
- ret = obj_reloc_overflow;
- }
- *(short *)loc = v;
- break;
-
- case R_68K_PC8:
- v -= dot;
- if ((Elf32_Sword)v > 0x7f ||
- (Elf32_Sword)v < -(Elf32_Sword)0x80) {
- ret = obj_reloc_overflow;
- }
- *(char *)loc = v;
- break;
-
- case R_68K_PC16:
- v -= dot;
- if ((Elf32_Sword)v > 0x7fff ||
- (Elf32_Sword)v < -(Elf32_Sword)0x8000) {
- ret = obj_reloc_overflow;
- }
- *(short *)loc = v;
- break;
+ case R_68K_16:
+ if (v > 0xffff) {
+ ret = obj_reloc_overflow;
+ }
+ *(short *)loc = v;
+ break;
+
+ case R_68K_PC8:
+ v -= dot;
+ if ((Elf32_Sword)v > 0x7f ||
+ (Elf32_Sword)v < -(Elf32_Sword)0x80) {
+ ret = obj_reloc_overflow;
+ }
+ *(char *)loc = v;
+ break;
+
+ case R_68K_PC16:
+ v -= dot;
+ if ((Elf32_Sword)v > 0x7fff ||
+ (Elf32_Sword)v < -(Elf32_Sword)0x8000) {
+ ret = obj_reloc_overflow;
+ }
+ *(short *)loc = v;
+ break;
- case R_68K_PC32:
- *(int *)loc = v - dot;
- break;
+ case R_68K_PC32:
+ *(int *)loc = v - dot;
+ break;
- case R_68K_GLOB_DAT:
- case R_68K_JMP_SLOT:
- *loc = v;
- break;
+ case R_68K_GLOB_DAT:
+ case R_68K_JMP_SLOT:
+ *loc = v;
+ break;
- case R_68K_RELATIVE:
- *(int *)loc += f->baseaddr;
- break;
+ case R_68K_RELATIVE:
+ *(int *)loc += f->baseaddr;
+ break;
- case R_68K_GOT32:
- goto bb_use_got;
+ case R_68K_GOT32:
+ goto bb_use_got;
- case R_68K_GOTOFF:
- assert(got != 0);
- *loc += v - got;
- break;
+ case R_68K_GOTOFF:
+ assert(got != 0);
+ *loc += v - got;
+ break;
#elif defined(__mips__)
- case R_MIPS_NONE:
- break;
+ case R_MIPS_NONE:
+ break;
- case R_MIPS_32:
- *loc += v;
- break;
+ case R_MIPS_32:
+ *loc += v;
+ break;
- case R_MIPS_26:
- if (v % 4)
- ret = obj_reloc_dangerous;
- if ((v & 0xf0000000) != ((dot + 4) & 0xf0000000))
- ret = obj_reloc_overflow;
- *loc =
- (*loc & ~0x03ffffff) | ((*loc + (v >> 2)) &
- 0x03ffffff);
- break;
+ case R_MIPS_26:
+ if (v % 4)
+ ret = obj_reloc_dangerous;
+ if ((v & 0xf0000000) != ((dot + 4) & 0xf0000000))
+ ret = obj_reloc_overflow;
+ *loc =
+ (*loc & ~0x03ffffff) | ((*loc + (v >> 2)) &
+ 0x03ffffff);
+ break;
- case R_MIPS_HI16:
- {
- struct mips_hi16 *n;
-
- /* We cannot relocate this one now because we don't know the value
- of the carry we need to add. Save the information, and let LO16
- do the actual relocation. */
- n = (struct mips_hi16 *) xmalloc(sizeof *n);
- n->addr = loc;
- n->value = v;
- n->next = ifile->mips_hi16_list;
- ifile->mips_hi16_list = n;
- break;
- }
+ case R_MIPS_HI16:
+ {
+ struct mips_hi16 *n;
+
+ /* We cannot relocate this one now because we don't know the value
+ of the carry we need to add. Save the information, and let LO16
+ do the actual relocation. */
+ n = (struct mips_hi16 *) xmalloc(sizeof *n);
+ n->addr = loc;
+ n->value = v;
+ n->next = ifile->mips_hi16_list;
+ ifile->mips_hi16_list = n;
+ break;
+ }
- case R_MIPS_LO16:
- {
- unsigned long insnlo = *loc;
- Elf32_Addr val, vallo;
-
- /* Sign extend the addend we extract from the lo insn. */
- vallo = ((insnlo & 0xffff) ^ 0x8000) - 0x8000;
-
- if (ifile->mips_hi16_list != NULL) {
- struct mips_hi16 *l;
-
- l = ifile->mips_hi16_list;
- while (l != NULL) {
- struct mips_hi16 *next;
- unsigned long insn;
-
- /* The value for the HI16 had best be the same. */
- assert(v == l->value);
-
- /* Do the HI16 relocation. Note that we actually don't
- need to know anything about the LO16 itself, except where
- to find the low 16 bits of the addend needed by the LO16. */
- insn = *l->addr;
- val =
- ((insn & 0xffff) << 16) +
- vallo;
- val += v;
-
- /* Account for the sign extension that will happen in the
- low bits. */
- val =
- ((val >> 16) +
- ((val & 0x8000) !=
- 0)) & 0xffff;
-
- insn = (insn & ~0xffff) | val;
- *l->addr = insn;
-
- next = l->next;
- free(l);
- l = next;
+ case R_MIPS_LO16:
+ {
+ unsigned long insnlo = *loc;
+ Elf32_Addr val, vallo;
+
+ /* Sign extend the addend we extract from the lo insn. */
+ vallo = ((insnlo & 0xffff) ^ 0x8000) - 0x8000;
+
+ if (ifile->mips_hi16_list != NULL) {
+ struct mips_hi16 *l;
+
+ l = ifile->mips_hi16_list;
+ while (l != NULL) {
+ struct mips_hi16 *next;
+ unsigned long insn;
+
+ /* The value for the HI16 had best be the same. */
+ assert(v == l->value);
+
+ /* Do the HI16 relocation. Note that we actually don't
+ need to know anything about the LO16 itself, except where
+ to find the low 16 bits of the addend needed by the LO16. */
+ insn = *l->addr;
+ val =
+ ((insn & 0xffff) << 16) +
+ vallo;
+ val += v;
+
+ /* Account for the sign extension that will happen in the
+ low bits. */
+ val =
+ ((val >> 16) +
+ ((val & 0x8000) !=
+ 0)) & 0xffff;
+
+ insn = (insn & ~0xffff) | val;
+ *l->addr = insn;
+
+ next = l->next;
+ free(l);
+ l = next;
+ }
+
+ ifile->mips_hi16_list = NULL;
}
- ifile->mips_hi16_list = NULL;
+ /* Ok, we're done with the HI16 relocs. Now deal with the LO16. */
+ val = v + vallo;
+ insnlo = (insnlo & ~0xffff) | (val & 0xffff);
+ *loc = insnlo;
+ break;
}
- /* Ok, we're done with the HI16 relocs. Now deal with the LO16. */
- val = v + vallo;
- insnlo = (insnlo & ~0xffff) | (val & 0xffff);
- *loc = insnlo;
- break;
- }
-
#elif defined(__powerpc__)
- case R_PPC_ADDR16_HA:
- *(unsigned short *)loc = (v + 0x8000) >> 16;
- break;
+ case R_PPC_ADDR16_HA:
+ *(unsigned short *)loc = (v + 0x8000) >> 16;
+ break;
- case R_PPC_ADDR16_HI:
- *(unsigned short *)loc = v >> 16;
- break;
+ case R_PPC_ADDR16_HI:
+ *(unsigned short *)loc = v >> 16;
+ break;
- case R_PPC_ADDR16_LO:
- *(unsigned short *)loc = v;
- break;
+ case R_PPC_ADDR16_LO:
+ *(unsigned short *)loc = v;
+ break;
- case R_PPC_REL24:
- goto bb_use_plt;
+ case R_PPC_REL24:
+ goto bb_use_plt;
- case R_PPC_REL32:
- *loc = v - dot;
- break;
+ case R_PPC_REL32:
+ *loc = v - dot;
+ break;
- case R_PPC_ADDR32:
- *loc = v;
- break;
+ case R_PPC_ADDR32:
+ *loc = v;
+ break;
#elif defined(__sh__)
- case R_SH_NONE:
- break;
+ case R_SH_NONE:
+ break;
- case R_SH_DIR32:
- *loc += v;
- break;
+ case R_SH_DIR32:
+ *loc += v;
+ break;
- case R_SH_REL32:
- *loc += v - dot;
- break;
-
- case R_SH_PLT32:
- *loc = v - dot;
- break;
+ case R_SH_REL32:
+ *loc += v - dot;
+ break;
- case R_SH_GLOB_DAT:
- case R_SH_JMP_SLOT:
- *loc = v;
- break;
+ case R_SH_PLT32:
+ *loc = v - dot;
+ break;
- case R_SH_RELATIVE:
- *loc = f->baseaddr + rel->r_addend;
- break;
+ case R_SH_GLOB_DAT:
+ case R_SH_JMP_SLOT:
+ *loc = v;
+ break;
- case R_SH_GOTPC:
- assert(got != 0);
- *loc = got - dot + rel->r_addend;
- break;
+ case R_SH_RELATIVE:
+ *loc = f->baseaddr + rel->r_addend;
+ break;
- case R_SH_GOT32:
- goto bb_use_got;
+ case R_SH_GOTPC:
+ assert(got != 0);
+ *loc = got - dot + rel->r_addend;
+ break;
- case R_SH_GOTOFF:
- assert(got != 0);
- *loc = v - got;
- break;
+ case R_SH_GOT32:
+ goto bb_use_got;
+
+ case R_SH_GOTOFF:
+ assert(got != 0);
+ *loc = v - got;
+ break;
#if defined(__SH5__)
- case R_SH_IMM_MEDLOW16:
- case R_SH_IMM_LOW16:
- {
- Elf32_Addr word;
-
- if (ELF32_R_TYPE(rel->r_info) == R_SH_IMM_MEDLOW16)
- v >>= 16;
-
- /*
- * movi and shori have the format:
- *
- * | op | imm | reg | reserved |
- * 31..26 25..10 9.. 4 3 .. 0
- *
- * so we simply mask and or in imm.
- */
- word = *loc & ~0x3fffc00;
- word |= (v & 0xffff) << 10;
+ case R_SH_IMM_MEDLOW16:
+ case R_SH_IMM_LOW16:
+ {
+ Elf32_Addr word;
- *loc = word;
+ if (ELF32_R_TYPE(rel->r_info) == R_SH_IMM_MEDLOW16)
+ v >>= 16;
- break;
- }
+ /*
+ * movi and shori have the format:
+ *
+ * | op | imm | reg | reserved |
+ * 31..26 25..10 9.. 4 3 .. 0
+ *
+ * so we simply mask and or in imm.
+ */
+ word = *loc & ~0x3fffc00;
+ word |= (v & 0xffff) << 10;
- case R_SH_IMM_MEDLOW16_PCREL:
- case R_SH_IMM_LOW16_PCREL:
- {
- Elf32_Addr word;
+ *loc = word;
- word = *loc & ~0x3fffc00;
+ break;
+ }
- v -= dot;
+ case R_SH_IMM_MEDLOW16_PCREL:
+ case R_SH_IMM_LOW16_PCREL:
+ {
+ Elf32_Addr word;
- if (ELF32_R_TYPE(rel->r_info) == R_SH_IMM_MEDLOW16_PCREL)
- v >>= 16;
+ word = *loc & ~0x3fffc00;
- word |= (v & 0xffff) << 10;
+ v -= dot;
- *loc = word;
+ if (ELF32_R_TYPE(rel->r_info) == R_SH_IMM_MEDLOW16_PCREL)
+ v >>= 16;
- break;
- }
+ word |= (v & 0xffff) << 10;
+
+ *loc = word;
+
+ break;
+ }
#endif /* __SH5__ */
#endif /* __sh__ */
- default:
- printf("Warning: unhandled reloc %d\n",(int)ELF32_R_TYPE(rel->r_info));
- ret = obj_reloc_unhandled;
- break;
+ default:
+ printf("Warning: unhandled reloc %d\n",(int)ELF32_R_TYPE(rel->r_info));
+ ret = obj_reloc_unhandled;
+ break;
#if defined (__v850e__)
- case R_V850_NONE:
- break;
-
- case R_V850_32:
- /* We write two shorts instead of a long because even
- 32-bit insns only need half-word alignment, but
- 32-bit data needs to be long-word aligned. */
- v += ((unsigned short *)loc)[0];
- v += ((unsigned short *)loc)[1] << 16;
- ((unsigned short *)loc)[0] = v & 0xffff;
- ((unsigned short *)loc)[1] = (v >> 16) & 0xffff;
- break;
-
- case R_V850_22_PCREL:
- goto bb_use_plt;
+ case R_V850_NONE:
+ break;
+
+ case R_V850_32:
+ /* We write two shorts instead of a long because even
+ 32-bit insns only need half-word alignment, but
+ 32-bit data needs to be long-word aligned. */
+ v += ((unsigned short *)loc)[0];
+ v += ((unsigned short *)loc)[1] << 16;
+ ((unsigned short *)loc)[0] = v & 0xffff;
+ ((unsigned short *)loc)[1] = (v >> 16) & 0xffff;
+ break;
+
+ case R_V850_22_PCREL:
+ goto bb_use_plt;
#endif
#if defined (__cris__)
- case R_CRIS_NONE:
- break;
+ case R_CRIS_NONE:
+ break;
- case R_CRIS_32:
- /* CRIS keeps the relocation value in the r_addend field and
- * should not use whats in *loc at all
- */
- *loc = v;
- break;
+ case R_CRIS_32:
+ /* CRIS keeps the relocation value in the r_addend field and
+ * should not use whats in *loc at all
+ */
+ *loc = v;
+ break;
#endif
#if defined(CONFIG_USE_PLT_ENTRIES)
- bb_use_plt:
+bb_use_plt:
- /* find the plt entry and initialize it if necessary */
- assert(isym != NULL);
+ /* find the plt entry and initialize it if necessary */
+ assert(isym != NULL);
#if defined(CONFIG_USE_PLT_LIST)
- for (pe = isym->pltent; pe != NULL && pe->addend != rel->r_addend;)
- pe = pe->next;
- assert(pe != NULL);
+ for (pe = isym->pltent; pe != NULL && pe->addend != rel->r_addend;)
+ pe = pe->next;
+ assert(pe != NULL);
#else
- pe = &isym->pltent;
+ pe = &isym->pltent;
#endif
- if (! pe->inited) {
- ip = (unsigned long *) (ifile->plt->contents + pe->offset);
+ if (! pe->inited) {
+ ip = (unsigned long *) (ifile->plt->contents + pe->offset);
- /* generate some machine code */
+ /* generate some machine code */
#if defined(__arm__)
- ip[0] = 0xe51ff004; /* ldr pc,[pc,#-4] */
- ip[1] = v; /* sym@ */
+ ip[0] = 0xe51ff004; /* ldr pc,[pc,#-4] */
+ ip[1] = v; /* sym@ */
#endif
#if defined(__powerpc__)
- ip[0] = 0x3d600000 + ((v + 0x8000) >> 16); /* lis r11,sym@ha */
- ip[1] = 0x396b0000 + (v & 0xffff); /* addi r11,r11,sym@l */
- ip[2] = 0x7d6903a6; /* mtctr r11 */
- ip[3] = 0x4e800420; /* bctr */
+ ip[0] = 0x3d600000 + ((v + 0x8000) >> 16); /* lis r11,sym@ha */
+ ip[1] = 0x396b0000 + (v & 0xffff); /* addi r11,r11,sym@l */
+ ip[2] = 0x7d6903a6; /* mtctr r11 */
+ ip[3] = 0x4e800420; /* bctr */
#endif
#if defined (__v850e__)
- /* We have to trash a register, so we assume that any control
- transfer more than 21-bits away must be a function call
- (so we can use a call-clobbered register). */
- ip[0] = 0x0621 + ((v & 0xffff) << 16); /* mov sym, r1 ... */
- ip[1] = ((v >> 16) & 0xffff) + 0x610000; /* ...; jmp r1 */
+ /* We have to trash a register, so we assume that any control
+ transfer more than 21-bits away must be a function call
+ (so we can use a call-clobbered register). */
+ ip[0] = 0x0621 + ((v & 0xffff) << 16); /* mov sym, r1 ... */
+ ip[1] = ((v >> 16) & 0xffff) + 0x610000; /* ...; jmp r1 */
#endif
- pe->inited = 1;
- }
+ pe->inited = 1;
+ }
- /* relative distance to target */
- v -= dot;
- /* if the target is too far away.... */
+ /* relative distance to target */
+ v -= dot;
+ /* if the target is too far away.... */
#if defined (__arm__) || defined (__powerpc__)
- if ((int)v < -0x02000000 || (int)v >= 0x02000000)
+ if ((int)v < -0x02000000 || (int)v >= 0x02000000)
#elif defined (__v850e__)
- if ((Elf32_Sword)v > 0x1fffff || (Elf32_Sword)v < (Elf32_Sword)-0x200000)
+ if ((Elf32_Sword)v > 0x1fffff || (Elf32_Sword)v < (Elf32_Sword)-0x200000)
#endif
- /* go via the plt */
- v = plt + pe->offset - dot;
+ /* go via the plt */
+ v = plt + pe->offset - dot;
#if defined (__v850e__)
- if (v & 1)
+ if (v & 1)
#else
- if (v & 3)
+ if (v & 3)
#endif
- ret = obj_reloc_dangerous;
+ ret = obj_reloc_dangerous;
- /* merge the offset into the instruction. */
+ /* merge the offset into the instruction. */
#if defined(__arm__)
- /* Convert to words. */
- v >>= 2;
+ /* Convert to words. */
+ v >>= 2;
- *loc = (*loc & ~0x00ffffff) | ((v + *loc) & 0x00ffffff);
+ *loc = (*loc & ~0x00ffffff) | ((v + *loc) & 0x00ffffff);
#endif
#if defined(__powerpc__)
- *loc = (*loc & ~0x03fffffc) | (v & 0x03fffffc);
+ *loc = (*loc & ~0x03fffffc) | (v & 0x03fffffc);
#endif
#if defined (__v850e__)
- /* We write two shorts instead of a long because even 32-bit insns
- only need half-word alignment, but the 32-bit data write needs
- to be long-word aligned. */
- ((unsigned short *)loc)[0] =
- (*(unsigned short *)loc & 0xffc0) /* opcode + reg */
- | ((v >> 16) & 0x3f); /* offs high part */
- ((unsigned short *)loc)[1] =
- (v & 0xffff); /* offs low part */
+ /* We write two shorts instead of a long because even 32-bit insns
+ only need half-word alignment, but the 32-bit data write needs
+ to be long-word aligned. */
+ ((unsigned short *)loc)[0] =
+ (*(unsigned short *)loc & 0xffc0) /* opcode + reg */
+ | ((v >> 16) & 0x3f); /* offs high part */
+ ((unsigned short *)loc)[1] =
+ (v & 0xffff); /* offs low part */
#endif
- break;
+ break;
#endif /* CONFIG_USE_PLT_ENTRIES */
#if defined(CONFIG_USE_GOT_ENTRIES)
- bb_use_got:
+bb_use_got:
- assert(isym != NULL);
- /* needs an entry in the .got: set it, once */
- if (!isym->gotent.inited) {
- isym->gotent.inited = 1;
- *(ElfW(Addr) *) (ifile->got->contents + isym->gotent.offset) = v;
- }
- /* make the reloc with_respect_to_.got */
+ assert(isym != NULL);
+ /* needs an entry in the .got: set it, once */
+ if (!isym->gotent.inited) {
+ isym->gotent.inited = 1;
+ *(ElfW(Addr) *) (ifile->got->contents + isym->gotent.offset) = v;
+ }
+ /* make the reloc with_respect_to_.got */
#if defined(__sh__)
- *loc += isym->gotent.offset + rel->r_addend;
+ *loc += isym->gotent.offset + rel->r_addend;
#elif defined(__i386__) || defined(__arm__) || defined(__mc68000__)
- *loc += isym->gotent.offset;
+ *loc += isym->gotent.offset;
#endif
- break;
+ break;
#endif /* CONFIG_USE_GOT_ENTRIES */
}
obj_extend_section(myrelsec, offset);
} else {
myrelsec = obj_create_alloced_section(f, name,
- size, offset);
+ size, offset);
assert(myrelsec);
}
#if defined(CONFIG_USE_PLT_ENTRIES)
int plt_offset = 0, plt_needed = 0, plt_allocate;
#endif
- struct obj_section *relsec, *symsec, *strsec;
+ struct obj_section *relsec, *symsec, *strsec;
ElfW(RelM) *rel, *relend;
ElfW(Sym) *symtab, *extsym;
const char *strtab, *name;
switch (ELF32_R_TYPE(rel->r_info)) {
#if defined(__arm__)
- case R_ARM_PC24:
- case R_ARM_PLT32:
- plt_allocate = 1;
- break;
+ case R_ARM_PC24:
+ case R_ARM_PLT32:
+ plt_allocate = 1;
+ break;
- case R_ARM_GOTOFF:
- case R_ARM_GOTPC:
- got_needed = 1;
- continue;
+ case R_ARM_GOTOFF:
+ case R_ARM_GOTPC:
+ got_needed = 1;
+ continue;
- case R_ARM_GOT32:
- got_allocate = 1;
- break;
+ case R_ARM_GOT32:
+ got_allocate = 1;
+ break;
#elif defined(__i386__)
- case R_386_GOTPC:
- case R_386_GOTOFF:
- got_needed = 1;
- continue;
+ case R_386_GOTPC:
+ case R_386_GOTOFF:
+ got_needed = 1;
+ continue;
- case R_386_GOT32:
- got_allocate = 1;
- break;
+ case R_386_GOT32:
+ got_allocate = 1;
+ break;
#elif defined(__powerpc__)
- case R_PPC_REL24:
- plt_allocate = 1;
- break;
+ case R_PPC_REL24:
+ plt_allocate = 1;
+ break;
#elif defined(__mc68000__)
- case R_68K_GOT32:
- got_allocate = 1;
- break;
+ case R_68K_GOT32:
+ got_allocate = 1;
+ break;
- case R_68K_GOTOFF:
- got_needed = 1;
- continue;
+ case R_68K_GOTOFF:
+ got_needed = 1;
+ continue;
#elif defined(__sh__)
- case R_SH_GOT32:
- got_allocate = 1;
- break;
+ case R_SH_GOT32:
+ got_allocate = 1;
+ break;
- case R_SH_GOTPC:
- case R_SH_GOTOFF:
- got_needed = 1;
- continue;
+ case R_SH_GOTPC:
+ case R_SH_GOTOFF:
+ got_needed = 1;
+ continue;
#elif defined (__v850e__)
- case R_V850_22_PCREL:
- plt_needed = 1;
- break;
+ case R_V850_22_PCREL:
+ plt_needed = 1;
+ break;
#endif
- default:
- continue;
+ default:
+ continue;
}
if (extsym->st_name != 0) {
#if defined(CONFIG_USE_GOT_ENTRIES)
if (got_allocate) {
got_offset += arch_single_init(
- rel, &intsym->gotent,
- got_offset, CONFIG_GOT_ENTRY_SIZE);
+ rel, &intsym->gotent,
+ got_offset, CONFIG_GOT_ENTRY_SIZE);
got_needed = 1;
}
if (plt_allocate) {
#if defined(CONFIG_USE_PLT_LIST)
plt_offset += arch_list_add(
- rel, &intsym->pltent,
- plt_offset, CONFIG_PLT_ENTRY_SIZE);
+ rel, &intsym->pltent,
+ plt_offset, CONFIG_PLT_ENTRY_SIZE);
#else
plt_offset += arch_single_init(
- rel, &intsym->pltent,
- plt_offset, CONFIG_PLT_ENTRY_SIZE);
+ rel, &intsym->pltent,
+ plt_offset, CONFIG_PLT_ENTRY_SIZE);
#endif
plt_needed = 1;
}
#if defined(CONFIG_USE_GOT_ENTRIES)
if (got_needed) {
ifile->got = arch_xsect_init(f, ".got", got_offset,
- CONFIG_GOT_ENTRY_SIZE);
+ CONFIG_GOT_ENTRY_SIZE);
}
#endif
#if defined(CONFIG_USE_PLT_ENTRIES)
if (plt_needed) {
ifile->plt = arch_xsect_init(f, ".plt", plt_offset,
- CONFIG_PLT_ENTRY_SIZE);
+ CONFIG_PLT_ENTRY_SIZE);
}
#endif
/* Don't unify COMMON symbols with object types the programmer
doesn't expect. */
else if (secidx == SHN_COMMON
- && (o_type == STT_NOTYPE || o_type == STT_OBJECT))
+ && (o_type == STT_NOTYPE || o_type == STT_OBJECT))
return sym;
else if (o_secidx == SHN_COMMON
- && (n_type == STT_NOTYPE || n_type == STT_OBJECT))
+ && (n_type == STT_NOTYPE || n_type == STT_OBJECT))
goto found;
else {
/* Don't report an error if the symbol is coming from
f->local_symtab[symidx] = sym;
}
- found:
+found:
sym->name = name;
sym->value = value;
sym->size = size;
ac = 0;
if (a->name[0] != '.' || strlen(a->name) != 10 ||
- strcmp(a->name + 5, ".init"))
+ strcmp(a->name + 5, ".init"))
ac |= 32;
if (af & SHF_ALLOC)
ac |= 16;
strcpy (name, name_buf);
#endif
sym = obj_add_symbol(f, name, -1,
- ELFW(ST_INFO) (STB_GLOBAL,
- STT_NOTYPE),
- idx, s->value, 0);
+ ELFW(ST_INFO) (STB_GLOBAL,
+ STT_NOTYPE),
+ idx, s->value, 0);
/* Did our symbol just get installed? If so, mark the
module as "used". */
if (sym->secidx == idx)
for (i = 0, m = ext_modules; i < n_ext_modules; ++i, ++m)
if (m->nsyms
- && add_symbols_from(f, SHN_HIRESERVE + 2 + i, m->syms,
- m->nsyms)) m->used = 1, ++nused;
+ && add_symbols_from(f, SHN_HIRESERVE + 2 + i, m->syms,
+ m->nsyms)) m->used = 1, ++nused;
n_ext_modules_used = nused;
if ((q = strchr(p, '=')) == NULL) {
argc--;
continue;
- }
+ }
*q++ = '\0';
sym = obj_find_symbol(f, p);
return 0;
} else if (*q == '\\')
switch (*++q) {
- case 'a':
- *r = '\a';
- break;
- case 'b':
- *r = '\b';
- break;
- case 'e':
- *r = '\033';
- break;
- case 'f':
- *r = '\f';
- break;
- case 'n':
- *r = '\n';
- break;
- case 'r':
- *r = '\r';
- break;
- case 't':
- *r = '\t';
- break;
+ case 'a':
+ *r = '\a';
+ break;
+ case 'b':
+ *r = '\b';
+ break;
+ case 'e':
+ *r = '\033';
+ break;
+ case 'f':
+ *r = '\f';
+ break;
+ case 'n':
+ *r = '\n';
+ break;
+ case 'r':
+ *r = '\r';
+ break;
+ case 't':
+ *r = '\t';
+ break;
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- {
- int c = *q - '0';
- if (q[1] >= '0' && q[1] <= '7') {
- c = (c * 8) + *++q - '0';
- if (q[1] >= '0' && q[1] <= '7')
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ {
+ int c = *q - '0';
+ if (q[1] >= '0' && q[1] <= '7') {
c = (c * 8) + *++q - '0';
+ if (q[1] >= '0' && q[1] <= '7')
+ c = (c * 8) + *++q - '0';
+ }
+ *r = c;
}
- *r = c;
- }
- break;
+ break;
- default:
+ default:
+ *r = *q;
+ break;
+ } else
*r = *q;
- break;
- } else
- *r = *q;
}
*r = '\0';
obj_string_patch(f, sym->secidx, sym->value, str);
if (get_kernel_syms(ks) != nks) {
perror("inconsistency with get_kernel_syms -- is someone else "
- "playing with modules?");
+ "playing with modules?");
free(ks);
return 0;
}
{
/* Using_Versions is the first symbol. */
if (nksyms > 0
- && strcmp((char *) ksyms[0].name,
- "Using_Versions") == 0) return ksyms[0].value;
+ && strcmp((char *) ksyms[0].name,
+ "Using_Versions") == 0) return ksyms[0].value;
else
return 0;
}
struct obj_section *sec;
sec = obj_create_alloced_section_first(f, ".moduse", sizeof(long),
- sizeof(long));
+ sizeof(long));
obj_add_symbol(f, "mod_use_count_", -1,
- ELFW(ST_INFO) (STB_LOCAL, STT_OBJECT), sec->idx, 0,
- sizeof(long));
+ ELFW(ST_INFO) (STB_LOCAL, STT_OBJECT), sec->idx, 0,
+ sizeof(long));
return 1;
}
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->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);
+ + 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;
ksym = symtab->symbol;
str = ((char *) ksym + nsyms * sizeof(struct old_module_symbol)
- + n_ext_modules_used * sizeof(struct old_module_ref));
+ + n_ext_modules_used * sizeof(struct old_module_ref));
for (i = 0; i < HASH_BUCKETS; ++i) {
struct obj_symbol *sym;
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);
+ m_size | (flag_autoclean ? OLD_MOD_AUTOCLEAN
+ : 0), &routines, symtab);
if (ret)
bb_perror_msg("init_module: %s", m_name);
if ((q = strchr(p, '=')) == NULL) {
argc--;
continue;
- }
+ }
key = alloca(q - p + 6);
memcpy(key, "parm_", 5);
return 0;
} else if (*q == '\\')
switch (*++q) {
- case 'a':
- *r = '\a';
- break;
- case 'b':
- *r = '\b';
- break;
- case 'e':
- *r = '\033';
- break;
- case 'f':
- *r = '\f';
- break;
- case 'n':
- *r = '\n';
- break;
- case 'r':
- *r = '\r';
- break;
- case 't':
- *r = '\t';
- break;
-
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- {
- int c = *q - '0';
- if (q[1] >= '0' && q[1] <= '7') {
- c = (c * 8) + *++q - '0';
- if (q[1] >= '0' && q[1] <= '7')
+ case 'a':
+ *r = '\a';
+ break;
+ case 'b':
+ *r = '\b';
+ break;
+ case 'e':
+ *r = '\033';
+ break;
+ case 'f':
+ *r = '\f';
+ break;
+ case 'n':
+ *r = '\n';
+ break;
+ case 'r':
+ *r = '\r';
+ break;
+ case 't':
+ *r = '\t';
+ break;
+
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ {
+ int c = *q - '0';
+ if (q[1] >= '0' && q[1] <= '7') {
c = (c * 8) + *++q - '0';
+ if (q[1] >= '0' && q[1] <= '7')
+ c = (c * 8) + *++q - '0';
+ }
+ *r = c;
}
- *r = c;
- }
- break;
+ break;
- default:
+ default:
+ *r = *q;
+ break;
+ } else
*r = *q;
- break;
- } else
- *r = *q;
}
*r = '\0';
++q;
} else {
long v = strtoul(q, &q, 0);
switch (*p) {
- case 'b':
- *loc++ = v;
- break;
- case 'h':
- *(short *) loc = v;
- loc += tgt_sizeof_short;
- break;
- case 'i':
- *(int *) loc = v;
- loc += tgt_sizeof_int;
- break;
- case 'l':
- *(long *) loc = v;
- loc += tgt_sizeof_long;
- break;
+ case 'b':
+ *loc++ = v;
+ break;
+ case 'h':
+ *(short *) loc = v;
+ loc += tgt_sizeof_short;
+ break;
+ case 'i':
+ *(int *) loc = v;
+ loc += tgt_sizeof_int;
+ break;
+ case 'l':
+ *(long *) loc = v;
+ loc += tgt_sizeof_long;
+ break;
- default:
- bb_error_msg("unknown parameter type '%c' for %s", *p, key);
- return 0;
+ default:
+ bb_error_msg("unknown parameter type '%c' for %s", *p, key);
+ return 0;
}
}
- retry_end_of_value:
+retry_end_of_value:
switch (*q) {
- case '\0':
- goto end_of_arg;
-
- case ' ':
- case '\t':
- case '\n':
- case '\r':
- ++q;
- goto retry_end_of_value;
-
- case ',':
- if (++n > max) {
- bb_error_msg("too many values for %s (max %d)", key, max);
- return 0;
- }
- ++q;
- break;
+ case '\0':
+ goto end_of_arg;
- default:
- bb_error_msg("invalid argument syntax for %s", key);
- return 0;
+ case ' ':
+ case '\t':
+ case '\n':
+ case '\r':
+ ++q;
+ goto retry_end_of_value;
+
+ case ',':
+ if (++n > max) {
+ bb_error_msg("too many values for %s (max %d)", key, max);
+ return 0;
+ }
+ ++q;
+ break;
+
+ default:
+ bb_error_msg("invalid argument syntax for %s", key);
+ return 0;
}
}
- end_of_arg:
+end_of_arg:
if (n < min) {
bb_error_msg("too few values for %s (min %d)", key, min);
return 0;
/* Collect the loaded modules. */
module_names = xmalloc(bufsize = 256);
- retry_modules_load:
+retry_modules_load:
if (query_module(NULL, QM_MODULES, module_names, bufsize, &ret)) {
if (errno == ENOSPC && bufsize < ret) {
module_names = xrealloc(module_names, bufsize = ret);
ext_modules = modules = xmalloc(nmod * sizeof(*modules));
memset(modules, 0, nmod * sizeof(*modules));
for (i = 0, mn = module_names, m = modules;
- i < nmod; ++i, ++m, mn += strlen(mn) + 1) {
+ i < nmod; ++i, ++m, mn += strlen(mn) + 1) {
struct new_module_info info;
-
+
if (query_module(mn, QM_INFO, &info, sizeof(info), &ret)) {
if (errno == ENOENT) {
/* The module was removed out from underneath us. */
bb_perror_msg("query_module: QM_INFO: %s", mn);
return 0;
}
-
+
syms = xmalloc(bufsize = 1024);
- retry_mod_sym_load:
+retry_mod_sym_load:
if (query_module(mn, QM_SYMBOLS, syms, bufsize, &ret)) {
switch (errno) {
- case ENOSPC:
- syms = xrealloc(syms, bufsize = ret);
- goto retry_mod_sym_load;
- case ENOENT:
- /* The module was removed out from underneath us. */
- continue;
- default:
- bb_perror_msg("query_module: QM_SYMBOLS: %s", mn);
- return 0;
+ case ENOSPC:
+ syms = xrealloc(syms, bufsize = ret);
+ goto retry_mod_sym_load;
+ case ENOENT:
+ /* The module was removed out from underneath us. */
+ continue;
+ default:
+ bb_perror_msg("query_module: QM_SYMBOLS: %s", mn);
+ return 0;
}
}
nsyms = ret;
-
+
m->name = mn;
m->addr = info.addr;
m->nsyms = nsyms;
m->syms = syms;
-
+
for (j = 0, s = syms; j < nsyms; ++j, ++s) {
s->name += (unsigned long) syms;
}
/* Collect the kernel's symbols. */
syms = xmalloc(bufsize = 16 * 1024);
- retry_kern_sym_load:
+retry_kern_sym_load:
if (query_module(NULL, QM_SYMBOLS, syms, bufsize, &ret)) {
if (errno == ENOSPC && bufsize < ret) {
syms = xrealloc(syms, bufsize = ret);
struct obj_section *sec;
sec = obj_create_alloced_section_first(f, ".this", tgt_sizeof_long,
- sizeof(struct new_module));
+ sizeof(struct new_module));
memset(sec->contents, 0, sizeof(struct new_module));
obj_add_symbol(f, SPFX "__this_module", -1,
- ELFW(ST_INFO) (STB_LOCAL, STT_OBJECT), sec->idx, 0,
- sizeof(struct new_module));
+ ELFW(ST_INFO) (STB_LOCAL, STT_OBJECT), sec->idx, 0,
+ sizeof(struct new_module));
obj_string_patch(f, sec->idx, offsetof(struct new_module, name),
- m_name);
+ m_name);
return 1;
}
}
if (!sec)
sec = obj_create_alloced_section(f, "__ksymtab",
- tgt_sizeof_void_p, 0);
+ tgt_sizeof_void_p, 0);
if (!sec)
return;
sec->header.sh_flags |= SHF_ALLOC;
sec->header.sh_addralign = tgt_sizeof_void_p; /* Empty section might
- be byte-aligned */
+ be byte-aligned */
ofs = sec->header.sh_size;
obj_symbol_patch(f, sec->idx, ofs, sym);
obj_string_patch(f, sec->idx, ofs + tgt_sizeof_void_p, sym->name);
struct obj_symbol *tm;
sec = obj_create_alloced_section(f, ".kmodtab", tgt_sizeof_void_p,
- (sizeof(struct new_module_ref)
- * n_ext_modules_used));
+ (sizeof(struct new_module_ref)
+ * n_ext_modules_used));
if (!sec)
return 0;
if (ext_modules[i].used) {
dep->dep = ext_modules[i].addr;
obj_symbol_patch(f, sec->idx,
- (char *) &dep->ref - sec->contents, tm);
+ (char *) &dep->ref - sec->contents, tm);
dep->next_ref = 0;
++dep;
}
sec =
obj_create_alloced_section(f, "__ksymtab", tgt_sizeof_void_p,
- 0);
+ 0);
/* We don't want to export symbols residing in sections that
aren't loaded. There are a number of these created so that
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->secidx >= SHN_LORESERVE
- || loaded[sym->secidx])) {
+ && sym->secidx <= SHN_HIRESERVE
+ && (sym->secidx >= SHN_LORESERVE
+ || loaded[sym->secidx])) {
ElfW(Addr) ofs = nsyms * 2 * tgt_sizeof_void_p;
obj_symbol_patch(f, sec->idx, ofs, sym);
obj_string_patch(f, sec->idx, ofs + tgt_sizeof_void_p,
- sym->name);
+ sym->name);
nsyms++;
}
sec = obj_find_section(f, ".data.init");
if (sec) {
if (!module->runsize ||
- module->runsize > sec->header.sh_addr - m_addr)
- module->runsize = sec->header.sh_addr - m_addr;
+ module->runsize > sec->header.sh_addr - m_addr)
+ module->runsize = sec->header.sh_addr - m_addr;
}
sec = obj_find_section(f, ARCHDATA_SEC_NAME);
if (sec && sec->header.sh_size) {
struct obj_section *s = f->sections[i];
if (s->header.sh_type == SHT_NOBITS) {
if (s->header.sh_size != 0)
- s->contents = memset(xmalloc(s->header.sh_size),
- 0, s->header.sh_size);
+ s->contents = memset(xmalloc(s->header.sh_size),
+ 0, s->header.sh_size);
else
s->contents = NULL;
#if defined(__alpha__) && defined(AXP_BROKEN_GAS)
/* Work around a nasty GAS bug, that is fixed as of 2.7.0.9. */
if (!extsym || !extsym->st_name ||
- ELFW(ST_BIND) (extsym->st_info) != STB_LOCAL)
+ ELFW(ST_BIND) (extsym->st_info) != STB_LOCAL)
#endif
value += rel->r_addend;
#endif
/* Do it! */
switch (arch_apply_relocation
(f, targsec, symsec, intsym, rel, value)) {
- case obj_reloc_ok:
- break;
+ case obj_reloc_ok:
+ break;
- case obj_reloc_overflow:
- errmsg = "Relocation overflow";
- goto bad_reloc;
- case obj_reloc_dangerous:
- errmsg = "Dangerous relocation";
- goto bad_reloc;
- case obj_reloc_unhandled:
- errmsg = "Unhandled relocation";
- bad_reloc:
- if (extsym) {
- bb_error_msg("%s of type %ld for %s", errmsg,
- (long) ELFW(R_TYPE) (rel->r_info),
- strtab + extsym->st_name);
- } else {
- bb_error_msg("%s of type %ld", errmsg,
- (long) ELFW(R_TYPE) (rel->r_info));
- }
- ret = 0;
- break;
+ case obj_reloc_overflow:
+ errmsg = "Relocation overflow";
+ goto bad_reloc;
+ case obj_reloc_dangerous:
+ errmsg = "Dangerous relocation";
+ goto bad_reloc;
+ case obj_reloc_unhandled:
+ errmsg = "Unhandled relocation";
+bad_reloc:
+ if (extsym) {
+ bb_error_msg("%s of type %ld for %s", errmsg,
+ (long) ELFW(R_TYPE) (rel->r_info),
+ strtab + extsym->st_name);
+ } else {
+ bb_error_msg("%s of type %ld", errmsg,
+ (long) ELFW(R_TYPE) (rel->r_info));
+ }
+ ret = 0;
+ break;
}
}
}
}
if (f->header.e_ident[EI_MAG0] != ELFMAG0
- || f->header.e_ident[EI_MAG1] != ELFMAG1
- || f->header.e_ident[EI_MAG2] != ELFMAG2
- || f->header.e_ident[EI_MAG3] != ELFMAG3) {
+ || f->header.e_ident[EI_MAG1] != ELFMAG1
+ || f->header.e_ident[EI_MAG2] != ELFMAG2
+ || f->header.e_ident[EI_MAG3] != ELFMAG3) {
bb_error_msg("not an ELF file");
return NULL;
}
if (f->header.e_ident[EI_CLASS] != ELFCLASSM
- || f->header.e_ident[EI_DATA] != ELFDATAM
- || f->header.e_ident[EI_VERSION] != EV_CURRENT
- || !MATCH_MACHINE(f->header.e_machine)) {
+ || f->header.e_ident[EI_DATA] != ELFDATAM
+ || f->header.e_ident[EI_VERSION] != EV_CURRENT
+ || !MATCH_MACHINE(f->header.e_machine)) {
bb_error_msg("ELF file not for this architecture");
return NULL;
}
sec->idx = i;
if(sec->header.sh_size) switch (sec->header.sh_type) {
- case SHT_NULL:
- case SHT_NOTE:
- case SHT_NOBITS:
- /* ignore */
- break;
+ case SHT_NULL:
+ case SHT_NOTE:
+ case SHT_NOBITS:
+ /* ignore */
+ break;
- case SHT_PROGBITS:
+ case SHT_PROGBITS:
#if LOADBITS
- if (!loadprogbits) {
- sec->contents = NULL;
- break;
- }
+ if (!loadprogbits) {
+ sec->contents = NULL;
+ break;
+ }
#endif
- case SHT_SYMTAB:
- case SHT_STRTAB:
- case SHT_RELM:
- if (sec->header.sh_size > 0) {
- sec->contents = xmalloc(sec->header.sh_size);
- fseek(fp, sec->header.sh_offset, SEEK_SET);
- if (fread(sec->contents, sec->header.sh_size, 1, fp) != 1) {
- bb_perror_msg("error reading ELF section data");
- return NULL;
+ case SHT_SYMTAB:
+ case SHT_STRTAB:
+ case SHT_RELM:
+ if (sec->header.sh_size > 0) {
+ sec->contents = xmalloc(sec->header.sh_size);
+ fseek(fp, sec->header.sh_offset, SEEK_SET);
+ if (fread(sec->contents, sec->header.sh_size, 1, fp) != 1) {
+ bb_perror_msg("error reading ELF section data");
+ return NULL;
+ }
+ } else {
+ sec->contents = NULL;
}
- } else {
- sec->contents = NULL;
- }
- break;
+ break;
#if SHT_RELM == SHT_REL
- case SHT_RELA:
- bb_error_msg("RELA relocations not supported on this architecture");
- return NULL;
+ case SHT_RELA:
+ bb_error_msg("RELA relocations not supported on this architecture");
+ return NULL;
#else
- case SHT_REL:
- bb_error_msg("REL relocations not supported on this architecture");
- return NULL;
+ case SHT_REL:
+ bb_error_msg("REL relocations not supported on this architecture");
+ return NULL;
#endif
- default:
- if (sec->header.sh_type >= SHT_LOPROC) {
- /* Assume processor specific section types are debug
- info and can safely be ignored. If this is ever not
- the case (Hello MIPS?), don't put ifdefs here but
- create an arch_load_proc_section(). */
- break;
- }
+ default:
+ if (sec->header.sh_type >= SHT_LOPROC) {
+ /* Assume processor specific section types are debug
+ info and can safely be ignored. If this is ever not
+ the case (Hello MIPS?), don't put ifdefs here but
+ create an arch_load_proc_section(). */
+ break;
+ }
- bb_error_msg("can't handle sections of type %ld",
- (long) sec->header.sh_type);
- return NULL;
+ bb_error_msg("can't handle sections of type %ld",
+ (long) sec->header.sh_type);
+ return NULL;
}
}
obj_insert_section_load_order(f, sec);
switch (sec->header.sh_type) {
- case SHT_SYMTAB:
- {
- unsigned long nsym, j;
- char *strtab;
- ElfW(Sym) * sym;
-
- if (sec->header.sh_entsize != sizeof(ElfW(Sym))) {
- bb_error_msg("symbol size mismatch: %lu != %lu",
- (unsigned long) sec->header.sh_entsize,
- (unsigned long) sizeof(ElfW(Sym)));
- return NULL;
- }
+ case SHT_SYMTAB:
+ {
+ unsigned long nsym, j;
+ char *strtab;
+ ElfW(Sym) * sym;
+
+ if (sec->header.sh_entsize != sizeof(ElfW(Sym))) {
+ bb_error_msg("symbol size mismatch: %lu != %lu",
+ (unsigned long) sec->header.sh_entsize,
+ (unsigned long) sizeof(ElfW(Sym)));
+ return NULL;
+ }
- nsym = sec->header.sh_size / sizeof(ElfW(Sym));
- strtab = f->sections[sec->header.sh_link]->contents;
- sym = (ElfW(Sym) *) sec->contents;
+ nsym = sec->header.sh_size / sizeof(ElfW(Sym));
+ strtab = f->sections[sec->header.sh_link]->contents;
+ sym = (ElfW(Sym) *) sec->contents;
- /* Allocate space for a table of local symbols. */
- j = f->local_symtab_size = sec->header.sh_info;
- f->local_symtab = xcalloc(j, sizeof(struct obj_symbol *));
+ /* Allocate space for a table of local symbols. */
+ j = f->local_symtab_size = sec->header.sh_info;
+ f->local_symtab = xcalloc(j, sizeof(struct obj_symbol *));
- /* Insert all symbols into the hash table. */
- for (j = 1, ++sym; j < nsym; ++j, ++sym) {
- ElfW(Addr) val = sym->st_value;
- const char *name;
- if (sym->st_name)
- name = strtab + sym->st_name;
- else
- name = f->sections[sym->st_shndx]->name;
+ /* Insert all symbols into the hash table. */
+ for (j = 1, ++sym; j < nsym; ++j, ++sym) {
+ ElfW(Addr) val = sym->st_value;
+ const char *name;
+ if (sym->st_name)
+ name = strtab + sym->st_name;
+ else
+ name = f->sections[sym->st_shndx]->name;
#if defined(__SH5__)
- /*
- * For sh64 it is possible that the target of a branch
- * requires a mode switch (32 to 16 and back again).
- *
- * This is implied by the lsb being set in the target
- * address for SHmedia mode and clear for SHcompact.
- */
- val |= sym->st_other & 4;
+ /*
+ * For sh64 it is possible that the target of a branch
+ * requires a mode switch (32 to 16 and back again).
+ *
+ * This is implied by the lsb being set in the target
+ * address for SHmedia mode and clear for SHcompact.
+ */
+ val |= sym->st_other & 4;
#endif
- obj_add_symbol(f, name, j, sym->st_info, sym->st_shndx,
- val, sym->st_size);
+ obj_add_symbol(f, name, j, sym->st_info, sym->st_shndx,
+ val, sym->st_size);
+ }
}
- }
- break;
+ break;
- case SHT_RELM:
- if (sec->header.sh_entsize != sizeof(ElfW(RelM))) {
- bb_error_msg("relocation entry size mismatch: %lu != %lu",
- (unsigned long) sec->header.sh_entsize,
- (unsigned long) sizeof(ElfW(RelM)));
- return NULL;
- }
- break;
- /* XXX Relocation code from modutils-2.3.19 is not here.
- * Why? That's about 20 lines of code from obj/obj_load.c,
- * which gets done in a second pass through the sections.
- * This BusyBox insmod does similar work in obj_relocate(). */
+ case SHT_RELM:
+ if (sec->header.sh_entsize != sizeof(ElfW(RelM))) {
+ bb_error_msg("relocation entry size mismatch: %lu != %lu",
+ (unsigned long) sec->header.sh_entsize,
+ (unsigned long) sizeof(ElfW(RelM)));
+ return NULL;
+ }
+ break;
+ /* XXX Relocation code from modutils-2.3.19 is not here.
+ * Why? That's about 20 lines of code from obj/obj_load.c,
+ * which gets done in a second pass through the sections.
+ * This BusyBox insmod does similar work in obj_relocate(). */
}
}
{
ElfW(Addr) base = f->baseaddr;
struct obj_section* sec;
-
+
for (sec = f->load_order; sec; sec = sec->load_next) {
/* section already loaded? */
if (sec->contents != NULL)
continue;
-
+
if (sec->header.sh_size == 0)
continue;
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);
+ if (get_modinfo_value(f, "kernel_version") == NULL)
+ return old_get_module_version(f, str);
+ else
+ return new_get_module_version(f, str);
#else /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */
- strncpy(str, "???", sizeof(str));
- return -1;
+ strncpy(str, "???", sizeof(str));
+ return -1;
#endif /* CONFIG_FEATURE_INSMOD_VERSION_CHECKING */
}
".rodata",
".data",
".bss"
- ".sbss"
+ ".sbss"
};
if (realpath(filename, real)) {
* one symbol is less readable but saves kernel space.
*/
l = sizeof(symprefix)+ /* "__insmod_" */
- lm_name+ /* module name */
- 2+ /* "_O" */
- lfilename+ /* object filename */
- 2+ /* "_M" */
- 2*sizeof(statbuf.st_mtime)+ /* mtime in hex */
- 2+ /* "_V" */
- 8+ /* version in dec */
- 1; /* nul */
+ lm_name+ /* module name */
+ 2+ /* "_O" */
+ lfilename+ /* object filename */
+ 2+ /* "_M" */
+ 2*sizeof(statbuf.st_mtime)+ /* mtime in hex */
+ 2+ /* "_V" */
+ 8+ /* version in dec */
+ 1; /* nul */
name = xmalloc(l);
if (stat(absolute_filename, &statbuf) != 0)
statbuf.st_mtime = 0;
version = get_module_version(f, str); /* -1 if not found */
snprintf(name, l, "%s%s_O%s_M%0*lX_V%d",
- symprefix, m_name, absolute_filename,
- (int)(2*sizeof(statbuf.st_mtime)), statbuf.st_mtime,
- version);
+ symprefix, m_name, absolute_filename,
+ (int)(2*sizeof(statbuf.st_mtime)), statbuf.st_mtime,
+ version);
sym = obj_add_symbol(f, name, -1,
- ELFW(ST_INFO) (STB_GLOBAL, STT_NOTYPE),
- sec->idx, sec->header.sh_addr, 0);
+ ELFW(ST_INFO) (STB_GLOBAL, STT_NOTYPE),
+ sec->idx, sec->header.sh_addr, 0);
if (use_ksymtab)
- new_add_ksymtab(f, sym);
+ new_add_ksymtab(f, sym);
}
free(absolute_filename);
#ifdef _NOT_SUPPORTED_
1; /* nul */
name = xmalloc(l);
snprintf(name, l, "%s%s_P%s",
- symprefix, m_name, f->persist);
+ symprefix, m_name, f->persist);
sym = obj_add_symbol(f, name, -1, ELFW(ST_INFO) (STB_GLOBAL, STT_NOTYPE),
- sec->idx, sec->header.sh_addr, 0);
+ sec->idx, sec->header.sh_addr, 0);
if (use_ksymtab)
- new_add_ksymtab(f, sym);
+ new_add_ksymtab(f, sym);
}
#endif /* _NOT_SUPPORTED_ */
/* tag the desired sections if size is non-zero */
for (i = 0; i < sizeof(section_names)/sizeof(section_names[0]); ++i) {
if ((sec = obj_find_section(f, section_names[i])) &&
- sec->header.sh_size) {
+ sec->header.sh_size) {
l = sizeof(symprefix)+ /* "__insmod_" */
lm_name+ /* module name */
2+ /* "_S" */
1; /* nul */
name = xmalloc(l);
snprintf(name, l, "%s%s_S%s_L%ld",
- symprefix, m_name, sec->name,
- (long)sec->header.sh_size);
+ symprefix, m_name, sec->name,
+ (long)sec->header.sh_size);
sym = obj_add_symbol(f, name, -1, ELFW(ST_INFO) (STB_GLOBAL, STT_NOTYPE),
- sec->idx, sec->header.sh_addr, 0);
+ sec->idx, sec->header.sh_addr, 0);
if (use_ksymtab)
- new_add_ksymtab(f, sym);
+ new_add_ksymtab(f, sym);
}
}
}
/* Parse any options */
#ifdef CONFIG_FEATURE_INSMOD_LOAD_MAP
- while ((opt = getopt(argc, argv, "fkqsvxmLo:")) > 0) {
+ while ((opt = getopt(argc, argv, "fkqsvxmLo:")) > 0)
#else
- while ((opt = getopt(argc, argv, "fkqsvxLo:")) > 0) {
+ while ((opt = getopt(argc, argv, "fkqsvxLo:")) > 0)
#endif
- switch (opt) {
- case 'f': /* force loading */
- flag_force_load = 1;
- break;
- case 'k': /* module loaded by kerneld, auto-cleanable */
- flag_autoclean = 1;
- break;
- case 's': /* log to syslog */
- /* log to syslog -- not supported */
- /* but kernel needs this for request_module(), */
- /* as this calls: modprobe -k -s -- <module> */
- /* so silently ignore this flag */
- break;
- case 'v': /* verbose output */
- flag_verbose = 1;
- break;
- case 'q': /* silent */
- flag_quiet = 1;
- break;
- case 'x': /* do not export externs */
- flag_export = 0;
- break;
- case 'o': /* name the output module */
- free(m_name);
- m_name = bb_xstrdup(optarg);
- break;
- case 'L': /* Stub warning */
- /* This is needed for compatibility with modprobe.
- * In theory, this does locking, but we don't do
- * that. So be careful and plan your life around not
- * loading the same module 50 times concurrently. */
- break;
+ {
+ switch (opt) {
+ case 'f': /* force loading */
+ flag_force_load = 1;
+ break;
+ case 'k': /* module loaded by kerneld, auto-cleanable */
+ flag_autoclean = 1;
+ break;
+ case 's': /* log to syslog */
+ /* log to syslog -- not supported */
+ /* but kernel needs this for request_module(), */
+ /* as this calls: modprobe -k -s -- <module> */
+ /* so silently ignore this flag */
+ break;
+ case 'v': /* verbose output */
+ flag_verbose = 1;
+ break;
+ case 'q': /* silent */
+ flag_quiet = 1;
+ break;
+ case 'x': /* do not export externs */
+ flag_export = 0;
+ break;
+ case 'o': /* name the output module */
+ free(m_name);
+ m_name = bb_xstrdup(optarg);
+ break;
+ case 'L': /* Stub warning */
+ /* This is needed for compatibility with modprobe.
+ * In theory, this does locking, but we don't do
+ * that. So be careful and plan your life around not
+ * loading the same module 50 times concurrently. */
+ break;
#ifdef CONFIG_FEATURE_INSMOD_LOAD_MAP
- case 'm': /* print module load map */
- flag_print_load_map = 1;
- break;
+ case 'm': /* print module load map */
+ flag_print_load_map = 1;
+ break;
#endif
- default:
- bb_show_usage();
+ default:
+ bb_show_usage();
+ }
}
- }
if (argv[optind] == NULL) {
bb_show_usage();
#if defined(CONFIG_FEATURE_2_6_MODULES)
if (k_version > 4 && len > 3 && tmp[len - 3] == '.' &&
- tmp[len - 2] == 'k' && tmp[len - 1] == 'o') {
+ tmp[len - 2] == 'k' && tmp[len - 1] == 'o') {
len-=3;
tmp[len] = '\0';
}
else
#endif
- if (len > 2 && tmp[len - 2] == '.' && tmp[len - 1] == 'o') {
- len-=2;
- tmp[len] = '\0';
- }
+ if (len > 2 && tmp[len - 2] == '.' && tmp[len - 1] == 'o') {
+ len-=2;
+ tmp[len] = '\0';
+ }
#if defined(CONFIG_FEATURE_2_6_MODULES)
bb_xasprintf(&m_fullName, "%s.ko", tmp);
else
#else
- bb_xasprintf(&m_fullName, "%s.o", tmp);
+ bb_xasprintf(&m_fullName, "%s.o", tmp);
#endif
if (!m_name) {
else
module_dir = real_module_dir;
recursive_action(module_dir, TRUE, FALSE, FALSE,
- check_module_name_match, 0, m_fullName);
+ check_module_name_match, 0, m_fullName);
free(tmdn);
}
/* 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))
+ ? !new_create_this_module(f, m_name)
+ : !old_create_mod_use_count(f))
{
goto out;
}
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))
+ ? !new_process_module_arguments(f, argc - optind, argv + optind)
+ : !old_process_module_arguments(f, argc - optind, argv + optind))
{
goto out;
}
m_addr = create_module(m_name, m_size);
if (m_addr == -1) switch (errno) {
- case EEXIST:
- bb_error_msg("A module named %s already exists", m_name);
- goto out;
- case ENOMEM:
- bb_error_msg("Can't allocate kernel memory for module; needed %lu bytes",
- m_size);
- goto out;
- default:
- bb_perror_msg("create_module: %s", m_name);
- goto out;
+ case EEXIST:
+ bb_error_msg("A module named %s already exists", m_name);
+ goto out;
+ case ENOMEM:
+ bb_error_msg("Can't allocate kernel memory for module; needed %lu bytes",
+ m_size);
+ goto out;
+ default:
+ bb_perror_msg("create_module: %s", m_name);
+ goto out;
}
#if !LOADBITS
}
if (k_new_syscalls
- ? !new_init_module(m_name, f, m_size)
- : !old_init_module(m_name, f, m_size))
+ ? !new_init_module(m_name, f, m_size)
+ : !old_init_module(m_name, f, m_size))
{
delete_module(m_name);
goto out;
out:
#ifdef CONFIG_FEATURE_CLEAN_UP
if(fp)
- fclose(fp);
+ fclose(fp);
if(tmp1) {
free(tmp1);
} else {
static const char *moderror(int err)
{
switch (err) {
- case ENOEXEC:
- return "Invalid module format";
- case ENOENT:
- return "Unknown symbol in module";
- case ESRCH:
- return "Module has wrong symbol version";
- case EINVAL:
- return "Invalid parameters";
- default:
- return strerror(err);
+ case ENOEXEC:
+ return "Invalid module format";
+ case ENOENT:
+ return "Unknown symbol in module";
+ case ESRCH:
+ return "Module has wrong symbol version";
+ case EINVAL:
+ return "Invalid parameters";
+ default:
+ return strerror(err);
}
}
unsigned long len;
void *map;
char *filename, *options = bb_xstrdup("");
-
+
filename = argv[1];
if (!filename) {
bb_show_usage();
ret = syscall(__NR_init_module, map, len, options);
if (ret != 0) {
bb_perror_msg_and_die("cannot insert `%s': %s (%li)",
- filename, moderror(errno), ret);
+ filename, moderror(errno), ret);
}
-
+
return 0;
}
projects / oweals / busybox.git / commitdiff