X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-syscalls.c;h=ebd9246c32ef8b4e0ce1c469d1876b443166d67f;hb=6bb4326c067161532e0e6f3a0deec2d28b4595e8;hp=11f904af88d0717509d73cf6f3d4e90ae390b933;hpb=771af27e31ba33049fa04033456f04e7d740ec66;p=lttng-modules.git

diff --git a/lttng-syscalls.c b/lttng-syscalls.c
index 11f904af..ebd9246c 100644
--- a/lttng-syscalls.c
+++ b/lttng-syscalls.c
@@ -1,23 +1,10 @@
-/*
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+ *
  * lttng-syscalls.c
  *
  * LTTng syscall probes.
  *
  * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include <linux/module.h>
@@ -38,6 +25,7 @@
 #include <wrapper/tracepoint.h>
 #include <wrapper/file.h>
 #include <wrapper/rcu.h>
+#include <wrapper/syscall.h>
 #include <lttng-events.h>
 
 #ifndef CONFIG_COMPAT
@@ -374,9 +362,9 @@ struct lttng_syscall_filter {
 static void syscall_entry_unknown(struct lttng_event *event,
 	struct pt_regs *regs, unsigned int id)
 {
-	unsigned long args[UNKNOWN_SYSCALL_NRARGS];
+	unsigned long args[LTTNG_SYSCALL_NR_ARGS];
 
-	syscall_get_arguments(current, regs, 0, UNKNOWN_SYSCALL_NRARGS, args);
+	lttng_syscall_get_arguments(current, regs, args);
 	if (unlikely(in_compat_syscall()))
 		__event_probe__compat_syscall_entry_unknown(event, id, args);
 	else
@@ -445,9 +433,9 @@ void syscall_entry_probe(void *__data, struct pt_regs *regs, long id)
 	case 1:
 	{
 		void (*fptr)(void *__data, unsigned long arg0) = entry->func;
-		unsigned long args[1];
+		unsigned long args[LTTNG_SYSCALL_NR_ARGS];
 
-		syscall_get_arguments(current, regs, 0, entry->nrargs, args);
+		lttng_syscall_get_arguments(current, regs, args);
 		fptr(event, args[0]);
 		break;
 	}
@@ -456,9 +444,9 @@ void syscall_entry_probe(void *__data, struct pt_regs *regs, long id)
 		void (*fptr)(void *__data,
 			unsigned long arg0,
 			unsigned long arg1) = entry->func;
-		unsigned long args[2];
+		unsigned long args[LTTNG_SYSCALL_NR_ARGS];
 
-		syscall_get_arguments(current, regs, 0, entry->nrargs, args);
+		lttng_syscall_get_arguments(current, regs, args);
 		fptr(event, args[0], args[1]);
 		break;
 	}
@@ -468,9 +456,9 @@ void syscall_entry_probe(void *__data, struct pt_regs *regs, long id)
 			unsigned long arg0,
 			unsigned long arg1,
 			unsigned long arg2) = entry->func;
-		unsigned long args[3];
+		unsigned long args[LTTNG_SYSCALL_NR_ARGS];
 
-		syscall_get_arguments(current, regs, 0, entry->nrargs, args);
+		lttng_syscall_get_arguments(current, regs, args);
 		fptr(event, args[0], args[1], args[2]);
 		break;
 	}
@@ -481,9 +469,9 @@ void syscall_entry_probe(void *__data, struct pt_regs *regs, long id)
 			unsigned long arg1,
 			unsigned long arg2,
 			unsigned long arg3) = entry->func;
-		unsigned long args[4];
+		unsigned long args[LTTNG_SYSCALL_NR_ARGS];
 
-		syscall_get_arguments(current, regs, 0, entry->nrargs, args);
+		lttng_syscall_get_arguments(current, regs, args);
 		fptr(event, args[0], args[1], args[2], args[3]);
 		break;
 	}
@@ -495,9 +483,9 @@ void syscall_entry_probe(void *__data, struct pt_regs *regs, long id)
 			unsigned long arg2,
 			unsigned long arg3,
 			unsigned long arg4) = entry->func;
-		unsigned long args[5];
+		unsigned long args[LTTNG_SYSCALL_NR_ARGS];
 
-		syscall_get_arguments(current, regs, 0, entry->nrargs, args);
+		lttng_syscall_get_arguments(current, regs, args);
 		fptr(event, args[0], args[1], args[2], args[3], args[4]);
 		break;
 	}
@@ -510,9 +498,9 @@ void syscall_entry_probe(void *__data, struct pt_regs *regs, long id)
 			unsigned long arg3,
 			unsigned long arg4,
 			unsigned long arg5) = entry->func;
-		unsigned long args[6];
+		unsigned long args[LTTNG_SYSCALL_NR_ARGS];
 
-		syscall_get_arguments(current, regs, 0, entry->nrargs, args);
+		lttng_syscall_get_arguments(current, regs, args);
 		fptr(event, args[0], args[1], args[2],
 			args[3], args[4], args[5]);
 		break;
@@ -525,9 +513,9 @@ void syscall_entry_probe(void *__data, struct pt_regs *regs, long id)
 static void syscall_exit_unknown(struct lttng_event *event,
 	struct pt_regs *regs, int id, long ret)
 {
-	unsigned long args[UNKNOWN_SYSCALL_NRARGS];
+	unsigned long args[LTTNG_SYSCALL_NR_ARGS];
 
-	syscall_get_arguments(current, regs, 0, UNKNOWN_SYSCALL_NRARGS, args);
+	lttng_syscall_get_arguments(current, regs, args);
 	if (unlikely(in_compat_syscall()))
 		__event_probe__compat_syscall_exit_unknown(event, id, ret,
 			args);
@@ -601,9 +589,9 @@ void syscall_exit_probe(void *__data, struct pt_regs *regs, long ret)
 		void (*fptr)(void *__data,
 			long ret,
 			unsigned long arg0) = entry->func;
-		unsigned long args[1];
+		unsigned long args[LTTNG_SYSCALL_NR_ARGS];
 
-		syscall_get_arguments(current, regs, 0, entry->nrargs, args);
+		lttng_syscall_get_arguments(current, regs, args);
 		fptr(event, ret, args[0]);
 		break;
 	}
@@ -613,9 +601,9 @@ void syscall_exit_probe(void *__data, struct pt_regs *regs, long ret)
 			long ret,
 			unsigned long arg0,
 			unsigned long arg1) = entry->func;
-		unsigned long args[2];
+		unsigned long args[LTTNG_SYSCALL_NR_ARGS];
 
-		syscall_get_arguments(current, regs, 0, entry->nrargs, args);
+		lttng_syscall_get_arguments(current, regs, args);
 		fptr(event, ret, args[0], args[1]);
 		break;
 	}
@@ -626,9 +614,9 @@ void syscall_exit_probe(void *__data, struct pt_regs *regs, long ret)
 			unsigned long arg0,
 			unsigned long arg1,
 			unsigned long arg2) = entry->func;
-		unsigned long args[3];
+		unsigned long args[LTTNG_SYSCALL_NR_ARGS];
 
-		syscall_get_arguments(current, regs, 0, entry->nrargs, args);
+		lttng_syscall_get_arguments(current, regs, args);
 		fptr(event, ret, args[0], args[1], args[2]);
 		break;
 	}
@@ -640,9 +628,9 @@ void syscall_exit_probe(void *__data, struct pt_regs *regs, long ret)
 			unsigned long arg1,
 			unsigned long arg2,
 			unsigned long arg3) = entry->func;
-		unsigned long args[4];
+		unsigned long args[LTTNG_SYSCALL_NR_ARGS];
 
-		syscall_get_arguments(current, regs, 0, entry->nrargs, args);
+		lttng_syscall_get_arguments(current, regs, args);
 		fptr(event, ret, args[0], args[1], args[2], args[3]);
 		break;
 	}
@@ -655,9 +643,9 @@ void syscall_exit_probe(void *__data, struct pt_regs *regs, long ret)
 			unsigned long arg2,
 			unsigned long arg3,
 			unsigned long arg4) = entry->func;
-		unsigned long args[5];
+		unsigned long args[LTTNG_SYSCALL_NR_ARGS];
 
-		syscall_get_arguments(current, regs, 0, entry->nrargs, args);
+		lttng_syscall_get_arguments(current, regs, args);
 		fptr(event, ret, args[0], args[1], args[2], args[3], args[4]);
 		break;
 	}
@@ -671,9 +659,9 @@ void syscall_exit_probe(void *__data, struct pt_regs *regs, long ret)
 			unsigned long arg3,
 			unsigned long arg4,
 			unsigned long arg5) = entry->func;
-		unsigned long args[6];
+		unsigned long args[LTTNG_SYSCALL_NR_ARGS];
 
-		syscall_get_arguments(current, regs, 0, entry->nrargs, args);
+		lttng_syscall_get_arguments(current, regs, args);
 		fptr(event, ret, args[0], args[1], args[2],
 			args[3], args[4], args[5]);
 		break;
@@ -1259,7 +1247,7 @@ long lttng_channel_syscall_mask(struct lttng_channel *channel,
 	filter = channel->sc_filter;
 
 	for (bit = 0; bit < ARRAY_SIZE(sc_table); bit++) {
-		bool state;
+		char state;
 
 		if (channel->sc_table) {
 			if (filter)
@@ -1272,7 +1260,7 @@ long lttng_channel_syscall_mask(struct lttng_channel *channel,
 		bt_bitfield_write_be(tmp_mask, char, bit, 1, state);
 	}
 	for (; bit < sc_tables_len; bit++) {
-		bool state;
+		char state;
 
 		if (channel->compat_sc_table) {
 			if (filter)