Differential D28114 Diff 82264 sys/i386/linux/imgact_linux.c

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sys/i386/linux/imgact_linux.c

Show First 20 Lines • Show All 152 Lines • ▼ Show 20 Lines	if (aresid != 0) {
error = ENOEXEC;		error = ENOEXEC;
goto fail;		goto fail;
}		}

/*		/*
* remove write enable on the 'text' part		* remove write enable on the 'text' part
*/		*/
error = vm_map_protect(&vmspace->vm_map, vmaddr,		error = vm_map_protect(&vmspace->vm_map, vmaddr,
vmaddr + a_out->a_text, VM_PROT_EXECUTE\|VM_PROT_READ, TRUE);		vmaddr + a_out->a_text, 0, VM_PROT_EXECUTE \| VM_PROT_READ,
		VM_MAP_PROTECT_SET_MAXPROT);
if (error)		if (error)
goto fail;		goto fail;
} else {		} else {
#ifdef DEBUG		#ifdef DEBUG
printf("imgact: Page aligned binary %lu\n", file_offset);		printf("imgact: Page aligned binary %lu\n", file_offset);
#endif		#endif
/*		/*
* Map text+data read/execute		* Map text+data read/execute
Show All 10 Lines	#ifdef DEBUG
printf("imgact: startaddr=%08lx, length=%08lx\n",		printf("imgact: startaddr=%08lx, length=%08lx\n",
(u_long)vmaddr,		(u_long)vmaddr,
(u_long)a_out->a_text + (u_long)a_out->a_data);		(u_long)a_out->a_text + (u_long)a_out->a_data);
#endif		#endif
/*		/*
* allow read/write of data		* allow read/write of data
*/		*/
error = vm_map_protect(&vmspace->vm_map, vmaddr + a_out->a_text,		error = vm_map_protect(&vmspace->vm_map, vmaddr + a_out->a_text,
vmaddr + a_out->a_text + a_out->a_data, VM_PROT_ALL, FALSE);		vmaddr + a_out->a_text + a_out->a_data, VM_PROT_ALL, 0,
		VM_MAP_PROTECT_SET_PROT);
if (error)		if (error)
goto fail;		goto fail;

/*		/*
* Allocate anon demand-zeroed area for uninitialized data		* Allocate anon demand-zeroed area for uninitialized data
*/		*/
if (bss_size != 0) {		if (bss_size != 0) {
vmaddr = virtual_offset + a_out->a_text + a_out->a_data;		vmaddr = virtual_offset + a_out->a_text + a_out->a_data;
Show All 33 Lines