dev/i386/fbt_x86.c

27 /* #pragma ident	"@(#)fbt.c	1.15	05/09/19 SMI" */
55 #include <sys/fbt.h>
501 	fbt_probe_t *fbt = fbt_probetab[FBT_ADDR2NDX(addr)];
503 	for (; fbt != NULL; fbt = fbt->fbtp_hashnext) {
504 		if ((uintptr_t)fbt->fbtp_patchpoint == addr) {
506 			if (fbt->fbtp_roffset == 0) {
529 				dtrace_probe(fbt->fbtp_id, stack0, stack1, stack2, stack3, stack4);
532 				dtrace_probe(fbt->fbtp_id, fbt->fbtp_roffset, rval, 0, 0, 0);
536 			return (fbt->fbtp_rval);
740 		 * the newfbt entry onto the end of the existing fbt's chain.
741 		 * If we find an fbt entry that was previously patched to
783 	 * The fbt entry chain is in place, one entry point per symbol.
784 	 * The fbt return chain can have multiple return points per symbol.
785 	 * Here we find the end of the fbt return chain.
793 		 * find the end of the existing fbt chain.  If we find
794 		 * an fbt return that was previously patched to fire,
1040 	fbt_probe_t *fbt = fbt_probetab[FBT_ADDR2NDX(addr)];
1042 	for (; fbt != NULL; fbt = fbt->fbtp_hashnext) {
1043 		if ((uintptr_t)fbt->fbtp_patchpoint == addr) {
1045 			if (fbt->fbtp_roffset == 0) {
1050 				dtrace_probe(fbt->fbtp_id, regs->rdi, regs->rsi, regs->rdx, regs->rcx, regs->r8);
1054 				dtrace_probe(fbt->fbtp_id, fbt->fbtp_roffset, rval, 0, 0, 0);
1058 			return (fbt->fbtp_rval);
1260 		 * the newfbt entry onto the end of the existing fbt's chain.
1261 		 * If we find an fbt entry that was previously patched to
1302 	 * The fbt entry chain is in place, one entry point per symbol.
1303 	 * The fbt return chain can have multiple return points per symbol.
1304 	 * Here we find the end of the fbt return chain.
1312 		 * find the end of the existing fbt chain.  If we find
1313 		 * an fbt return that was previously patched to fire,