Subversion Repositories HelenOS

Rev

Rev 2978 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2978 Rev 2980
Line 42... Line 42...
42 
#include <rtld.h>
 42 
#include <rtld.h>
43 
 
 43 
 
44 
/**
 44 
/**
45 
 * Process (fixup) all relocations in a relocation table.
 45 
 * Process (fixup) all relocations in a relocation table.
46 
 */
 46 
 */
47 
void rel_table_process(module_t *m, elf_rel_t *rt, size_t rt_size,
 47 
void rel_table_process(module_t *m, elf_rel_t *rt, size_t rt_size)
48 
    module_t *dest)
 - 
 
49 
{
 48 
{
50 
    int i;
 49 
    int i;
51 
 
 50 
 
52 
    size_t rt_entries;
 51 
    size_t rt_entries;
53 
    size_t r_offset;
 52 
    size_t r_offset;
Line 60... Line 59...
60 
    elf_symbol_t *sym;
 59 
    elf_symbol_t *sym;
61 
    uint32_t *r_ptr;
 60 
    uint32_t *r_ptr;
62 
    char *str_tab;
 61 
    char *str_tab;
63 
   
 62 
   
64 
    elf_symbol_t *sym_def;
 63 
    elf_symbol_t *sym_def;
- 
 
 64 
    module_t *dest;
65 
 
 65 
 
66 
    printf("parse relocation table\n");
 66 
    printf("parse relocation table\n");
67 
 
 67 
 
68 
    sym_table = m->dyn.sym_tab;
 68 
    sym_table = m->dyn.sym_tab;
69 
    rt_entries = rt_size / sizeof(elf_rel_t);
 69 
    rt_entries = rt_size / sizeof(elf_rel_t);
Line 86... Line 86...
86 
 
 86 
 
87 
        rel_type = ELF32_R_TYPE(r_info);
 87 
        rel_type = ELF32_R_TYPE(r_info);
88 
        r_ptr = (uint32_t *)(r_offset + m->bias);
 88 
        r_ptr = (uint32_t *)(r_offset + m->bias);
89 
 
 89 
 
90 
        printf("rel_type: %x, rel_offset: 0x%x\n", rel_type, r_offset);
 90 
        printf("rel_type: %x, rel_offset: 0x%x\n", rel_type, r_offset);
91 
        sym_def = symbol_def_find(dest, str_tab + sym->st_name);
 91 
        sym_def = symbol_def_find(str_tab + sym->st_name, &dest);
- 
 
 92 
        printf("dest name: '%s'\n", dest->dyn.soname);
- 
 
 93 
        printf("dest bias: 0x%x\n", dest->bias);
92 
        if (sym_def) {
 94 
        if (sym_def) {
93 
            sym_addr = sym_def->st_value + dest->bias;
 95 
            sym_addr = sym_def->st_value + dest->bias;
94 
            printf("symbol definition found, addr=0x%x\n", sym_addr);
 96 
            printf("symbol definition found, addr=0x%x\n", sym_addr);
95 
        } else {
 97 
        } else {
96 
            printf("symbol definition not found\n");
 98 
            printf("symbol definition not found\n");
Line 109... Line 111...
109 
            *r_ptr += sym_addr;
 111 
            *r_ptr += sym_addr;
110 
            break;
 112 
            break;
111 
           
 113 
           
112 
        case R_386_RELATIVE:
 114 
        case R_386_RELATIVE:
113 
            printf("fixup R_386_RELATIVE (b+a)\n");
 115 
            printf("fixup R_386_RELATIVE (b+a)\n");
114 
            *r_ptr += dest->bias;
 116 
            *r_ptr += m->bias;
115 
            break;
 117 
            break;
116 
        }
 118 
        }
117 
    }
 119 
    }
118 
 
 120 
 
119 
}
 121 
}