fix typos

Author: kristjanvalur

stackman/extras/slp_switch.h

@@ -24,7 +24,7 @@
 
 #define SLP_STACK_MAGIC 0
 
-/* need a special function arount SLP_SAVE_STATE() because
+/* need a special function around SLP_SAVE_STATE() because
  * the macro has a built-in return of 0 or -1.  Must catch
  * that.
  */

stackman/platforms/platform.h

@@ -5,7 +5,7 @@
  * if an implementaition exists, and once (defining STACKMAN_SWITCH_IMPL)
  * to define the implementation.
  * This results in the definition of STACKMAN_PLATFORM
- * and possibly STACKMAN_ASSEMBLY_SRC if the implentation is assembly
+ * and possibly STACKMAN_ASSEMBLY_SRC if the implementation is assembly
  * based and not in-line c.
  */
 

stackman/platforms/switch_arm_msvc.asm

@@ -28,7 +28,7 @@
 	mov	r4, r3
 	blx	r3     ;first callback
 	mov	r2, r0 ;store new stackpointer in register, for next cb,
-	; switch stack pointer, maintaing fp offset
+	; switch stack pointer, maintaining fp offset
 	sub r1, sp, r0
 	mov sp, r0 ;switch stack pointer
 	sub fp, fp, r1

stackman/platforms/switch_x86_gcc.h

@@ -33,7 +33,7 @@
  * and preserve registers. But we ourselves assemble the 
  * calls and stack pointer changes
  *
- * This file can be excercised on 64 bit linux by adding -m32 to
+ * This file can be exercised on 64 bit linux by adding -m32 to
  * the gcc command line.
  */
 #include "../stackman_switch.h"

stackman/stackman.h

@@ -80,7 +80,7 @@
 #endif
 
 
-/* align a stack pointer to the righ alighment, either nudging it up or down */
+/* align a stack pointer to the right alignment, either nudging it up or down */
 #define STACKMAN_SP_ALIGN_DOWN(a) (((intptr_t)(a) & ~(STACKMAN_STACK_ALIGN-1)))
 #define STACKMAN_SP_ALIGN_UP(a)	  (((intptr_t)((a)+STACKMAN_STACK_ALIGN-1) & ~(STACKMAN_STACK_ALIGN-1)))
 

stackman/stackman_switch.h

@@ -97,7 +97,7 @@ typedef enum stackman_op_t {
 	 */
 	STACKMAN_OP_RESTORE = 1,
 
-	/* The callback is being invoked from a stackman_call() invokation.
+	/* The callback is being invoked from a stackman_call() invocation.
 	 * Stack_pointer is the pointer that was provided to stackman_call()
 	 */
 	STACKMAN_OP_CALL = 2,