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systrace.c (256281) systrace.c (270998)
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

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160#endif
161 }
162
163 if (enabled) {
164 ASSERT(sysent[sysnum].sy_callc == dtrace_systrace_syscall);
165 return;
166 }
167
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

--- 151 unchanged lines hidden (view full) ---

160#endif
161 }
162
163 if (enabled) {
164 ASSERT(sysent[sysnum].sy_callc == dtrace_systrace_syscall);
165 return;
166 }
167
168 (void) casptr(&sysent[sysnum].sy_callc,
168 (void) atomic_cas_ptr(&sysent[sysnum].sy_callc,
169 (void *)systrace_sysent[sysnum].stsy_underlying,
170 (void *)dtrace_systrace_syscall);
171#ifdef _SYSCALL32_IMPL
169 (void *)systrace_sysent[sysnum].stsy_underlying,
170 (void *)dtrace_systrace_syscall);
171#ifdef _SYSCALL32_IMPL
172 (void) casptr(&sysent32[sysnum].sy_callc,
172 (void) atomic_cas_ptr(&sysent32[sysnum].sy_callc,
173 (void *)systrace_sysent32[sysnum].stsy_underlying,
174 (void *)dtrace_systrace_syscall32);
175#endif
176}
177
178/*ARGSUSED*/
179static void
180systrace_disable(void *arg, dtrace_id_t id, void *parg)
181{
182 int sysnum = SYSTRACE_SYSNUM((uintptr_t)parg);
183 int disable = (systrace_sysent[sysnum].stsy_entry == DTRACE_IDNONE ||
184 systrace_sysent[sysnum].stsy_return == DTRACE_IDNONE);
185
186 if (disable) {
173 (void *)systrace_sysent32[sysnum].stsy_underlying,
174 (void *)dtrace_systrace_syscall32);
175#endif
176}
177
178/*ARGSUSED*/
179static void
180systrace_disable(void *arg, dtrace_id_t id, void *parg)
181{
182 int sysnum = SYSTRACE_SYSNUM((uintptr_t)parg);
183 int disable = (systrace_sysent[sysnum].stsy_entry == DTRACE_IDNONE ||
184 systrace_sysent[sysnum].stsy_return == DTRACE_IDNONE);
185
186 if (disable) {
187 (void) casptr(&sysent[sysnum].sy_callc,
187 (void) atomic_cas_ptr(&sysent[sysnum].sy_callc,
188 (void *)dtrace_systrace_syscall,
189 (void *)systrace_sysent[sysnum].stsy_underlying);
190
191#ifdef _SYSCALL32_IMPL
188 (void *)dtrace_systrace_syscall,
189 (void *)systrace_sysent[sysnum].stsy_underlying);
190
191#ifdef _SYSCALL32_IMPL
192 (void) casptr(&sysent32[sysnum].sy_callc,
192 (void) atomic_cas_ptr(&sysent32[sysnum].sy_callc,
193 (void *)dtrace_systrace_syscall32,
194 (void *)systrace_sysent32[sysnum].stsy_underlying);
195#endif
196 }
197
198 if (SYSTRACE_ISENTRY((uintptr_t)parg)) {
199 systrace_sysent[sysnum].stsy_entry = DTRACE_IDNONE;
200#ifdef _SYSCALL32_IMPL

--- 173 unchanged lines hidden --- 		193 (void *)dtrace_systrace_syscall32,
194 (void *)systrace_sysent32[sysnum].stsy_underlying);
195#endif
196 }
197
198 if (SYSTRACE_ISENTRY((uintptr_t)parg)) {
199 systrace_sysent[sysnum].stsy_entry = DTRACE_IDNONE;
200#ifdef _SYSCALL32_IMPL

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