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 */
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 */
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/**
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/**
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 * @file
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 * @file
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 */
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 */
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- 
 
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#include <elf_dyn.h>
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#include <rtld.h>
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void __main(void);
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void __main(void);
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void __io_init(void);
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void __io_init(void);
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void __exit(void);
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void __exit(void);
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void _rtld_main(void);
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#define ELF32_R_SYM(i) ((i)>>8)
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#define ELF32_R_TYPE(i) ((unsigned char)(i))
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typedef struct {
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    int d_tag;
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    union {
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        unsigned d_val;
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        unsigned *d_ptr;
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    } d_un;
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} elf32_dyn;
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typedef struct {
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    unsigned r_offset;
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    unsigned r_info;
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} elf32_rel;
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typedef struct {
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    unsigned st_name;
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    unsigned st_value;
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    unsigned st_size;
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    unsigned char st_info;
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    unsigned char st_other;
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    unsigned short st_shndx;
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} elf32_sym;
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static void kputint(unsigned i)
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static void kputint(unsigned i)
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{
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{
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    unsigned dummy;
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    unsigned dummy;
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    asm volatile (
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    asm volatile (
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        "movl $30, %%eax;"
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        "movl $30, %%eax;"
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void __bootstrap(void)
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void __bootstrap(void)
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{
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{
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    unsigned bias;
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    unsigned bias;
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    unsigned *got;
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    unsigned *got;
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    elf32_dyn *dynamic;
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    elf_dyn_t *dynamic;
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    unsigned *dptr;
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    void *dptr;
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    unsigned dval;
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    unsigned dval;
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    int i;
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    int i;
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    unsigned rel_entries;
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    size_t rel_entries;
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    unsigned r_offset;
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    size_t r_offset;
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    unsigned r_info;
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    elf_word r_info;
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    unsigned rel_type;
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    unsigned rel_type;
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    unsigned sym_idx;
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    elf_word sym_idx;
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    unsigned sym_addr;
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    uintptr_t sym_addr;
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    elf32_sym *sym_table;
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    elf_symbol_t *sym_table;
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    elf32_rel *rel_table;
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    elf_rel_t *rel_table;
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    elf32_rel *jmp_rel_table;
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    elf_rel_t *jmp_rel_table;
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    elf32_rel *jmp_rel_entries;
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    size_t jmp_rel_entries;
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    asm volatile (
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    "movl $30, %eax;"
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    "int $0x30"
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    );
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    /* Copied from libc/arch/ia32/entry.s */
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/*asm volatile (
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    "mov %ss, %ax;"
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    "mov %ax, %ds;"
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    "mov %ax, %es;"
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    "mov %ax, %fs;"
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);*/
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asm volatile (
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asm volatile (
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    /* Calculate the bias into %0 */
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    /* Calculate the bias into %0 */
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    /* Generates "fake" R_386_RELATIVE run-time relocation */
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    /* Generates "fake" R_386_RELATIVE run-time relocation */
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"   call .L0;"
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"   call .L0;"
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    jmp_rel_table = 0;
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    jmp_rel_table = 0;
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    jmp_rel_entries = 0;
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    jmp_rel_entries = 0;
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    i = 0;
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    i = 0;
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    while (dynamic[i].d_tag != 0) {
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    while (dynamic[i].d_tag != 0) {
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        dptr = (unsigned *)(dynamic[i].d_un.d_val + bias);
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        dptr = (void *)(dynamic[i].d_un.d_val + bias);
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        dval = dynamic[i].d_un.d_val;
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        dval = dynamic[i].d_un.d_val;
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 107 
 
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        switch (dynamic[i].d_tag) {
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        switch (dynamic[i].d_tag) {
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        case 2/* DT_PLTRELSZ */: jmp_rel_entries = dval/8; break;
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        case 2/* DT_PLTRELSZ */: jmp_rel_entries = dval/8; break;
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        case 23/* DT_JMPREL */: jmp_rel_table = dptr; break;
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        case 23/* DT_JMPREL */: jmp_rel_table = dptr; break;