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[efi] Mark EFI debug transcription functions as __attribute__ (( pure )) 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2015-08-27 01:40:40 +01:00
parent a09dd5c03d
commit 0e407377dd
2 changed files with 9 additions and 6 deletions
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8
src/include/ipxe/efi/efi.h
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@ -200,9 +200,11 @@ extern EFI_LOADED_IMAGE_PROTOCOL *efi_loaded_image;
extern EFI_DEVICE_PATH_PROTOCOL *efi_loaded_image_path;
extern EFI_SYSTEM_TABLE *efi_systab;
extern const char * efi_guid_ntoa ( EFI_GUID *guid );
extern const char * efi_devpath_text ( EFI_DEVICE_PATH_PROTOCOL *path );
extern const char * efi_handle_name ( EFI_HANDLE handle );
extern const __attribute__ (( pure )) char * efi_guid_ntoa ( EFI_GUID *guid );
extern const __attribute__ (( pure )) char *
efi_devpath_text ( EFI_DEVICE_PATH_PROTOCOL *path );
extern const __attribute__ (( pure )) char *
efi_handle_name ( EFI_HANDLE handle );
extern void dbg_efi_openers ( EFI_HANDLE handle, EFI_GUID *protocol );
extern void dbg_efi_protocols ( EFI_HANDLE handle );

7
src/interface/efi/efi_debug.c
View File

@ -162,7 +162,7 @@ static struct efi_well_known_guid efi_well_known_guids[] = {
* @v guid GUID
* @ret string Printable string
*/
const char * efi_guid_ntoa ( EFI_GUID *guid ) {
const __attribute__ (( pure )) char * efi_guid_ntoa ( EFI_GUID *guid ) {
union {
union uuid uuid;
EFI_GUID guid;
@ -314,7 +314,8 @@ void dbg_efi_protocols ( EFI_HANDLE handle ) {
* @v path Device path
* @ret text Textual representation of device path, or NULL
*/
const char * efi_devpath_text ( EFI_DEVICE_PATH_PROTOCOL *path ) {
const __attribute__ (( pure )) char *
efi_devpath_text ( EFI_DEVICE_PATH_PROTOCOL *path ) {
EFI_BOOT_SERVICES *bs = efi_systab->BootServices;
static char text[256];
void *start;
@ -627,7 +628,7 @@ static struct efi_handle_name_type efi_handle_name_types[] = {
* @v handle EFI handle
* @ret text Name of handle, or NULL
*/
const char * efi_handle_name ( EFI_HANDLE handle ) {
const __attribute__ (( pure )) char * efi_handle_name ( EFI_HANDLE handle ) {
EFI_BOOT_SERVICES *bs = efi_systab->BootServices;
struct efi_handle_name_type *type;
unsigned int i;