X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fprocd.git;a=blobdiff_plain;f=trace%2Ftrace.c;h=b0005b8a8178dc4a738dd9c475d30ad7a731f43f;hp=c6f32d780fb4a7025fb7bbb26e11421c50e3e4d9;hb=890ac34c460fbb753bd4303b201d11aebd27a570;hpb=dfcfcca7baf2b22d8dac1a724bdb7dd9d52f4c05

diff --git a/trace/trace.c b/trace/trace.c
index c6f32d7..b0005b8 100644
--- a/trace/trace.c
+++ b/trace/trace.c
@@ -14,9 +14,9 @@
 #define _GNU_SOURCE
 #include <stddef.h>
 #include <sys/ptrace.h>
+#include <sys/types.h>
 #include <sys/user.h>
 #include <sys/wait.h>
-#include <sys/types.h>
 #include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -42,6 +42,8 @@
 # define EF_REG2	8
 # endif
 #define reg_syscall_nr	(EF_REG2 / 4)
+#elif defined(__arm__)
+#define reg_syscall_nr	_offsetof(struct user, regs.uregs[7])
 #else
 #error tracing is not supported on this architecture
 #endif
@@ -51,7 +53,7 @@
 } while (0)
 
 #define ERROR(fmt, ...) do { \
-	syslog(0, "utrace: "fmt, ## __VA_ARGS__); \
+	syslog(LOG_ERR, "utrace: "fmt, ## __VA_ARGS__); \
 	fprintf(stderr, "utrace: "fmt, ## __VA_ARGS__); \
 } while (0)
 
@@ -214,7 +216,8 @@ int main(int argc, char **argv, char **envp)
 	uloop_done();
 
 	if (!json)
-		asprintf(&json, "/tmp/%s.%u.json", basename(*argv), child);
+		if (asprintf(&json, "/tmp/%s.%u.json", basename(*argv), child) < 0)
+			ERROR("failed to allocate output path: %s\n", strerror(errno));
 
 	print_syscalls(policy, json);