Revision 0b959cf5
| b/linux-user/main.c | ||
|---|---|---|
| 3663 | 3663 |
return optind; |
| 3664 | 3664 |
} |
| 3665 | 3665 |
|
| 3666 |
static int get_execfd(char **envp) |
|
| 3667 |
{
|
|
| 3668 |
typedef struct {
|
|
| 3669 |
long a_type; |
|
| 3670 |
long a_val; |
|
| 3671 |
} auxv_t; |
|
| 3672 |
auxv_t *auxv; |
|
| 3673 |
|
|
| 3674 |
while (*envp++ != NULL) {
|
|
| 3675 |
; |
|
| 3676 |
} |
|
| 3677 |
|
|
| 3678 |
for (auxv = (auxv_t *)envp; auxv->a_type != AT_NULL; auxv++) {
|
|
| 3679 |
if (auxv->a_type == AT_EXECFD) {
|
|
| 3680 |
return auxv->a_val; |
|
| 3681 |
} |
|
| 3682 |
} |
|
| 3683 |
return -1; |
|
| 3684 |
} |
|
| 3685 |
|
|
| 3686 | 3666 |
int main(int argc, char **argv, char **envp) |
| 3687 | 3667 |
{
|
| 3688 | 3668 |
struct target_pt_regs regs1, *regs = ®s1; |
| ... | ... | |
| 3876 | 3856 |
env->opaque = ts; |
| 3877 | 3857 |
task_settid(ts); |
| 3878 | 3858 |
|
| 3879 |
execfd = get_execfd(envp);
|
|
| 3880 |
if (execfd < 0) {
|
|
| 3859 |
execfd = qemu_getauxval(AT_EXECFD);
|
|
| 3860 |
if (execfd == 0) {
|
|
| 3881 | 3861 |
execfd = open(filename, O_RDONLY); |
| 3882 |
}
|
|
| 3883 |
if (execfd < 0) {
|
|
| 3884 |
printf("Error while loading %s: %s\n", filename, strerror(-execfd));
|
|
| 3885 |
_exit(1);
|
|
| 3862 |
if (execfd < 0) {
|
|
| 3863 |
printf("Error while loading %s: %s\n", filename, strerror(errno));
|
|
| 3864 |
_exit(1);
|
|
| 3865 |
}
|
|
| 3886 | 3866 |
} |
| 3887 | 3867 |
|
| 3888 | 3868 |
ret = loader_exec(execfd, filename, target_argv, target_environ, regs, |
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