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Line 40... | Line 40... | ||
40 | #include <sys/types.h> |
40 | #include <sys/types.h> |
41 | #include <as.h> |
41 | #include <as.h> |
42 | 42 | ||
43 | #include <elf.h> |
43 | #include <elf.h> |
44 | #include <elf_load.h> |
44 | #include <elf_load.h> |
- | 45 | #include <pcb.h> |
|
45 | 46 | ||
46 | #define RTLD_BIAS 0x80000 |
47 | #define RTLD_BIAS 0x80000 |
47 | 48 | ||
48 | int main(int argc, char *argv[]) |
49 | int main(int argc, char *argv[]) |
49 | { |
50 | { |
50 | elf_info_t prog_info; |
51 | elf_info_t prog_info; |
51 | elf_info_t interp_info; |
52 | elf_info_t interp_info; |
52 | char *file_name; |
53 | char *file_name; |
- | 54 | pcb_t *pcb; |
|
53 | int rc; |
55 | int rc; |
54 | 56 | ||
55 | printf("This is loader\n"); |
57 | printf("This is loader\n"); |
56 | getchar(); |
58 | getchar(); |
57 | 59 | ||
58 | printf("Load program\n"); |
60 | printf("Load program\n"); |
59 | 61 | ||
60 | // rc = elf_load_file("/dltest", 0, &prog_info); |
62 | rc = elf_load_file("/dltest", 0, &prog_info); |
61 | rc = elf_load_file("/tetris", 0, &prog_info); |
63 | // rc = elf_load_file("/tetris", 0, &prog_info); |
62 | if (rc < 0) { |
64 | if (rc < 0) { |
63 | printf("failed to load program\n"); |
65 | printf("failed to load program\n"); |
64 | return 1; |
66 | return 1; |
65 | } |
67 | } |
66 | 68 | ||
Line 69... | Line 71... | ||
69 | 71 | ||
70 | // elf_run(&prog_info); |
72 | // elf_run(&prog_info); |
71 | 73 | ||
72 | // getchar(); |
74 | // getchar(); |
73 | 75 | ||
74 | /* printf("Load dynamic linker\n"); |
76 | printf("Load dynamic linker\n"); |
75 | file_name = "/rtld.so"; |
77 | file_name = "/rtld.so"; |
76 | printf("open and read '%s'...\n", file_name); |
78 | printf("open and read '%s'...\n", file_name); |
77 | rc = elf_load_file(file_name, RTLD_BIAS, &interp_info); |
79 | rc = elf_load_file(file_name, RTLD_BIAS, &interp_info); |
78 | if (rc < 0) { |
80 | if (rc < 0) { |
79 | printf("failed to load dynamic linker\n"); |
81 | printf("failed to load dynamic linker\n"); |
80 | return 1; |
82 | return 1; |
81 | } |
83 | } |
82 | 84 | ||
- | 85 | /* |
|
- | 86 | * Provide rtld with some useful data |
|
- | 87 | */ |
|
- | 88 | pcb = (pcb_t *)PCB_ADDRESS; |
|
- | 89 | pcb->rtld_dynamic = interp_info.dynamic; |
|
- | 90 | pcb->rtld_bias = RTLD_BIAS; |
|
- | 91 | ||
83 | printf("run dynamic linker\n"); |
92 | printf("run dynamic linker\n"); |
84 | elf_run(&interp_info); |
93 | elf_run(&interp_info); |
85 | */ |
94 | |
86 | /* not reached */ |
95 | /* not reached */ |
87 | return 0; |
96 | return 0; |
88 | } |
97 | } |
89 | 98 | ||
90 | /** @} |
99 | /** @} |