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passing argc, argv and envp to main()

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This commit is contained in:
Balazs Gerofi
2012-05-10 22:07:23 +09:00
parent 97d4c85195
commit 7c85ac93e8
8 changed files with 228 additions and 15 deletions
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25
linux/mod_mcctrl/control.c
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@@ -24,6 +24,7 @@ static long mcexec_prepare_image(aal_os_t os,
{
struct program_load_desc desc, *pdesc;
struct ikc_scd_packet isp;
void *args, *envs;
if (copy_from_user(&desc, udesc,
sizeof(struct program_load_desc))) {
@@ -46,6 +47,28 @@ static long mcexec_prepare_image(aal_os_t os,
pdesc->pid = task_tgid_vnr(current);
args = kmalloc(pdesc->args_len, GFP_KERNEL);
if (copy_from_user(args, pdesc->args, pdesc->args_len)) {
kfree(args);
kfree(pdesc);
return -EFAULT;
}
envs = kmalloc(pdesc->envs_len, GFP_KERNEL);
if (copy_from_user(envs, pdesc->envs, pdesc->envs_len)) {
kfree(envs);
kfree(args);
kfree(pdesc);
return -EFAULT;
}
pdesc->args = virt_to_phys(args);
printk("args: 0x%lX\n", pdesc->args);
printk("argc: %d\n", *(int*)args);
pdesc->envs = virt_to_phys(envs);
printk("envs: 0x%lX\n", pdesc->envs);
printk("envc: %d\n", *(int*)envs);
isp.msg = SCD_MSG_PREPARE_PROCESS;
isp.ref = pdesc->cpu;
isp.arg = virt_to_phys(pdesc);
@@ -62,6 +85,8 @@ static long mcexec_prepare_image(aal_os_t os,
sizeof(struct program_image_section) * desc.num_sections);
kfree(pdesc);
kfree(envs);
kfree(args);
return 0;
}