profiling/i386/profile-asm.s

695  * %ecx is the number of the memory pool to allocate from (trashed on exit).
707 	movl	%ecx,%edi			/* move context number to saved reg */
721 	leal	V_acontext(%ebx,%edi,4),%ecx
724 	/* %eax = size, %ebx = vars addr, %ecx = ptr to allocation context to try */
729 	movl	%ecx,%esi			/* save ptr in case no more contexts */
730 	movl	A_next(%ecx),%ecx		/* next context block */
731 	cmpl	$0,%ecx
735 	xchgl	%edx,A_lock(%ecx)		/* %edx == 0 if context available */
744 	/* Allocation context found (%ecx), now allocate. */
745 	movl	A_plist(%ecx),%edx		/* pointer to current block */
753 	/* %eax = bytes to allocate, %ebx = GOT, %ecx = context, %edx = memory block */
770 	movl	$0,A_lock(%ecx)			/* unlock context block */
783 	/* %eax = bytes to allocate, %ebx = vars address, %ecx = context */
789 	pushl	%ecx
806 	popl	%ecx				/* context block */
810 	movl	A_plist(%ecx),%esi		/* previous memory block or 0 */
814 	movl	%edx,A_plist(%ecx)		/* update current page list */
843 	movl	%eax,%ecx			/* context pointer */
850 	movl	%edx,A_plist(%ecx)		/* head of memory block list */
851 	movl	$1,A_lock(%ecx)			/* set lock */
853 	movl	%ecx,%eax			/* context pointer temp */
855 	movl	%eax,A_next(%ecx)		/* add links in case of threading */
872 	movl	16+Estack(%esp),%ecx		/* which memory pool to allocate from */
983 	movl	$(C_prof),%ecx			/* allocation pool */
987 	movl	Estack+4(%esp),%ecx		/* caller's address */
988 	movl	%ecx,P_addr(%eax)
1037 	movl	Estack+4(%esp),%ecx		/* caller's caller address */
1055 	cmpl	%ecx,G_frompc(%edx)		/* skip if not equal */
1072 	/* %eax = gprof func header, %ebx = vars address if DO_STATS, %ecx = caller's caller */
1081 	cmpl	%ecx,G_frompc(%esi)		/* skip if not equal */
1102 	/* %eax = gprof func header, %ebx = vars address if DO_STATS, %ecx = caller's caller */
1111 	cmpl	%ecx,G_frompc(%edi)		/* skip if not equal */
1135 	/* %ecx is the caller's caller's address */
1153 	movl	%ecx,%edi			/* and caller's caller address */
1155 	movl	$(C_gfunc),%ecx			/* gprof function header memory pool */
1158 	movl	V_hash_ptr(%ebx),%ecx		/* copy hash_ptr to func header */
1160 	movl	%ecx,H_hash_ptr(%eax)
1165 	movl	Estack+12(%esp),%ecx		/* caller's address */
1167 	movl	%ecx,H_prof+P_addr(%eax)	/* set up prof information */
1169 	movl	%edi,%ecx			/* caller's caller address */
1183 	/* %ecx = caller's caller */
1201 	movl	%ecx,%eax			/* caller's caller address */
1209 	/* %eax = old arc, %ebx = vars address if DO_STATS, %ecx = caller's caller */
1226 	cmpl	G_frompc(%eax),%ecx		/* loop back if not one we want */
1235 	popl	%ecx				/* previous 1st arc searched */
1238 	movl	%ecx,H_cache_ptr+4(%esi)	/* new 2nd arc to be searched */
1252 	/* %eax = old arc, %ebx = vars address if DO_STATS, %ecx = caller's caller */
1268 	movl	%ecx,%edi			/* save caller's caller */
1270 	movl	$(C_gprof),%ecx			/* gprof memory pool */
1275 	movl	Estack+20(%esp),%ecx		/* caller's address */
1277 	movl	%ecx,G_selfpc(%eax)
1283 	movl	(%edx),%ecx			/* first hash bucket */
1284 	movl	%ecx,G_next(%eax)		/* update link */
1285 	movl	%eax,%ecx			/* copy for xchgl */
1286 	xchgl	%ecx,(%edx)			/* add to hash linked list */
1287 	movl	%ecx,G_next(%eax)		/* update in case list changed */
1289 	popl	%ecx				/* previous 1st arc searched */
1292 	movl	%ecx,H_cache_ptr+4(%esi)	/* new 2nd arc to be searched */
1368 	movl	V_mcount_ptr_ptr(%ebx),%ecx	/* address of mcount_ptr */
1374 	jmp	*(%ecx)				/* go to profile the function */
1398 	movl	$10,%ecx			/* divisor */
1420 	divl	%ecx
1424 	divl	%ecx
1442 	divl	%ecx				/* calculate next digit */