Subversion Repositories HelenOS

Rev

Rev 2972 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2972 Rev 2973
Line 40... Line 40...
40
 
40
 
41
#include <rtld.h>
41
#include <rtld.h>
42
#include <dynamic.h>
42
#include <dynamic.h>
43
#include <pcb.h>
43
#include <pcb.h>
44
#include <elf_load.h>
44
#include <elf_load.h>
45
 
-
 
46
static void kputint(unsigned i)
-
 
47
{
-
 
48
    unsigned dummy;
45
#include <arch.h>
49
    asm volatile (
-
 
50
        "movl $30, %%eax;"
-
 
51
        "int $0x30"
-
 
52
        : "=d" (dummy) /* output - %edx clobbered */
-
 
53
        : "d" (i) /* input */
-
 
54
        : "%eax","%ecx" /* all scratch registers clobbered */
-
 
55
    );
-
 
56
}
-
 
57
 
46
 
58
void _rtld_main(void)
47
void _rtld_main(void)
59
{
48
{
60
    pcb_t *pcb;
49
    pcb_t *pcb;
61
    static dyn_info_t dyn_info;
-
 
62
    elf_info_t lib_info;
50
    elf_info_t lib_info;
-
 
51
    static module_t prog;
63
    int rc;
52
    int rc;
64
 
53
 
65
    printf("Hello, world! (from rtld)\n");
54
    printf("Hello, world! (from rtld)\n");
66
    getchar();
55
    getchar();
67
 
56
 
68
    printf("Parse .dynamic section\n");
57
    printf("Parse .dynamic section\n");
69
    pcb = (pcb_t *)PCB_ADDRESS;
58
    pcb = (pcb_t *)PCB_ADDRESS;
70
    dynamic_parse(pcb->dynamic, 0, &dyn_info);
59
    dynamic_parse(pcb->dynamic, 0, &prog.dyn);
71
 
60
 
72
    printf("Program requested library '%s'\n", dyn_info.needed);
61
    printf("Program requested library '%s'\n", prog.dyn.needed);
73
   
62
   
74
    rc = elf_load_file("/libtest.so.0", 0x20000, &lib_info);
63
    rc = elf_load_file("/libtest.so.0", 0x20000, &lib_info);
75
    if (rc < 0) {
64
    if (rc < 0) {
76
        printf("failed to load library\n");
65
        printf("failed to load library\n");
77
        return;
66
        return;
78
    }
67
    }
79
 
68
 
-
 
69
    /* Parse program's relocation tables */
-
 
70
    rel_table_process(&prog, prog.dyn.rel, prog.dyn.rel_sz);
-
 
71
    rel_table_process(&prog, prog.dyn.jmp_rel, prog.dyn.plt_rel_sz);
-
 
72
 
80
    printf("Run program..\n");
73
    printf("Run program..\n");
81
    pcb->entry();
74
    pcb->entry();
82
}
75
}
83
 
76
 
84
/** @}
77
/** @}