profiling/i386/profile-asm.s

664  * Loadup %ebx with the address of _profile_vars.  On a multiprocessor, this
682 #define Vload	CPU_NUMBER(%ebx); movl EXT(_profile_vars_cpus)(,%ebx,4),%ebx
685 #define	Vload	Gload; Egaddr(%ebx,_profile_vars)
694  * %ebx contains the address of the appropriate profile_vars structure.
711 	xchgb	%cl,V_recursive_alloc(%ebx)
721 	leal	V_acontext(%ebx,%edi,4),%ecx
724 	/* %eax = size, %ebx = vars addr, %ecx = ptr to allocation context to try */
738 	SDADDNEG(%edx,V_acontext_locked(%ebx))	/* increment counter if lock was held */
753 	/* %eax = bytes to allocate, %ebx = GOT, %ecx = context, %edx = memory block */
760 	SLOCK incl V_num_alloc(%ebx,%edi,4)	/* update global counters */
761 	SLOCK addl %eax,V_bytes_alloc(%ebx,%edi,4)
762 	SLOCK subl %eax,V_wasted(%ebx,%edi,4)
774 	movb	$0,V_recursive_alloc(%ebx)
783 	/* %eax = bytes to allocate, %ebx = vars address, %ecx = context */
790 	movl	V_page_size(%ebx),%edx
798 	call	*V_alloc_pages(%ebx)		/* allocate some memory */
802 	SLOCK addl %esi,V_wasted(%ebx,%edi,4)	/* udpate global counters */
803 	SLOCK addl $(M_size),V_overhead(%ebx,%edi,4)
819 	/* %eax = bytes to allocate, %ebx = GOT, %esi = ptr to store context ptr */
826 	movl	V_page_size(%ebx),%edx
834 	call	*V_alloc_pages(%ebx)		/* allocate some memory */
838 	SLOCK incl V_num_context(%ebx,%edi,4)	/* bump # context blocks */
839 	SLOCK addl %esi,V_wasted(%ebx,%edi,4)	/* update global counters */
840 	SLOCK addl $(A_size+M_size),V_overhead(%ebx,%edi,4)
868 	pushl	%ebx
870 	movl	8+Estack(%esp),%ebx		/* provile_vars address */
875 	popl	%ebx
905 	pushl	%ebx
906 	MP_DISABLE_PREEMPTION(%ebx)
908 	SDINC(V_dummy(%ebx))
909 	MP_ENABLE_PREEMPTION(%ebx)
910 	popl	%ebx
951 	pushl	%ebx
952 	MP_DISABLE_PREEMPTION(%ebx)
954 	SDINC(V_cnt(%ebx))
964 	MP_ENABLE_PREEMPTION(%ebx)
965 	popl	%ebx
975 	pushl	%ebx
976 	MP_DISABLE_PREEMPTION(%ebx)
980 	SLOCK incl V_prof_records(%ebx)
991 	MP_ENABLE_PREEMPTION(%ebx)
992 	popl	%ebx
1040 	pushl	%ebx
1041 	MP_DISABLE_PREEMPTION(%ebx)
1043 	SDINC(V_cnt(%ebx))			/* bump profile call counter (double int) */
1063 	SDINC(V_cache_hits1(%ebx))		/* update counter */
1064 	MP_ENABLE_PREEMPTION(%ebx)
1065 	popl	%ebx
1072 	/* %eax = gprof func header, %ebx = vars address if DO_STATS, %ecx = caller's caller */
1074 	/* %ebx if DO_STATS pushed on stack */
1093 	SDINC(V_cache_hits2(%ebx))		/* update counter */
1094 	MP_ENABLE_PREEMPTION(%ebx)
1095 	popl	%ebx
1102 	/* %eax = gprof func header, %ebx = vars address if DO_STATS, %ecx = caller's caller */
1104 	/* %esi, %ebx if DO_STATS pushed on stack */
1125 	SDINC(V_cache_hits3(%ebx))		/* update counter */
1126 	MP_ENABLE_PREEMPTION(%ebx)
1127 	popl	%ebx
1134 	/* %ebx is the variables address if DO_STATS */
1137 	/* %ebx if DO_STATS pushed on stack */
1146 	pushl	%ebx				/* Address of vars needed for alloc */
1147 	MP_DISABLE_PREEMPTION(%ebx)
1151 	SLOCK incl V_prof_records(%ebx)
1158 	movl	V_hash_ptr(%ebx),%ecx		/* copy hash_ptr to func header */
1159 	movl	V_dummy_ptr(%ebx),%edx		/* dummy cache entry */
1173 	popl	%ebx
1182 	/* %eax = gprof func header, %ebx = vars address if DO_STATS */
1185 	/* %edi, %esi, %ebx if DO_STATS pushed on stack */
1196 	SDINC(V_hash_num(%ebx))
1209 	/* %eax = old arc, %ebx = vars address if DO_STATS, %ecx = caller's caller */
1211 	/* 2 old arcs, %edi, %esi, %ebx if DO_STATS pushed on stack */
1220 	SDINC(V_hash_search(%ebx))
1230 	/* %eax = arc, %ebx = vars address if DO_STATS, %esi = func header */
1231 	/* 2 old arcs, %edi, %esi, %ebx if DO_STATS pushed on stack */
1244 	MP_ENABLE_PREEMPTION(%ebx)
1245 	popl	%ebx
1252 	/* %eax = old arc, %ebx = vars address if DO_STATS, %ecx = caller's caller */
1254 	/* 2 old arcs, %edi, %esi, %ebx if DO_STATS pushed on stack */
1261 	pushl	%ebx				/* load address of vars if we haven't */
1262 	MP_DISABLE_PREEMPTION(%ebx)
1266 	SLOCK incl V_gprof_records(%ebx)
1280 	popl	%ebx				/* release %ebx if no stats */
1299 	MP_ENABLE_PREEMPTION(%ebx)
1300 	popl	%ebx
1356 	pushl	%ebx
1357 	MP_DISABLE_PREEMPTION(%ebx)
1361 	SDINC(V_old_mcount(%ebx))
1368 	movl	V_mcount_ptr_ptr(%ebx),%ecx	/* address of mcount_ptr */
1369 	MP_ENABLE_PREEMPTION(%ebx)
1370 	popl	%ebx
1393 	pushl	%ebx
1396 	movl	Estack+16(%esp),%ebx		/* pointer or null */
1399 	cmpl	$0,%ebx				/* skip if pointer ok */
1402 	MP_DISABLE_PREEMPTION(%ebx)
1404 	leal	V_num_buffer(%ebx),%ebx		/* temp buffer to use */
1408 	addl	$(N_digit-1),%ebx		/* point string at end */
1409 	movb	$0,0(%ebx)			/* null terminate string */
1427 	decl	%ebx				/* decrement string pointer */
1429 	movb	%dl,0(%ebx)			/* store digit in string */
1443 	decl	%ebx				/* decrement string pointer */
1445 	movb	%dl,0(%ebx)			/* store digit in string */
1449 	movl	%ebx,%eax			/* return value */
1452 	MP_ENABLE_PREEMPTION(%ebx)
1453 	popl	%ebx