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commit f34b97f89dd3893ef3652a6899487771402fc13c
Index: strace-4.10/linux/mips/syscallent-o32.h
===================================================================
--- strace-4.10.orig/linux/mips/syscallent-o32.h
+++ strace-4.10/linux/mips/syscallent-o32.h
@@ -1,6 +1,6 @@
#if defined LINUX_MIPSO32
/* For an O32 strace, decode the o32 syscalls. */
-[4000] = { MA, 0, printargs, "syscall" }, /* start of Linux o32 */
+[4000] = { MA, 0, sys_syscall, "syscall" }, /* start of Linux o32 */
[4001] = { 1, TP|SE, sys_exit, "exit" },
[4002] = { 0, TP, sys_fork, "fork" },
[4003] = { 3, TD, sys_read, "read" },
Index: strace-4.10/syscall.c
===================================================================
--- strace-4.10.orig/syscall.c
+++ strace-4.10/syscall.c
@@ -606,6 +606,25 @@ decode_ipc_subcall(struct tcb *tcp)
}
#endif
+#ifdef LINUX_MIPSO32
+static void
+decode_mips_subcall(struct tcb *tcp)
+{
+ if (!SCNO_IS_VALID(tcp->u_arg[0]))
+ return;
+ tcp->scno = tcp->u_arg[0];
+ tcp->qual_flg = qual_flags[tcp->scno];
+ tcp->s_ent = &sysent[tcp->scno];
+ memmove(&tcp->u_arg[0], &tcp->u_arg[1],
+ sizeof(tcp->u_arg) - sizeof(tcp->u_arg[0]));
+}
+
+int sys_syscall(struct tcb *tcp)
+{
+ return printargs(tcp);
+}
+#endif
+
int
printargs(struct tcb *tcp)
{
@@ -1774,6 +1793,11 @@ trace_syscall_entering(struct tcb *tcp)
goto ret;
}
+#ifdef LINUX_MIPSO32
+ if (sys_syscall == tcp->s_ent->sys_func)
+ decode_mips_subcall(tcp);
+#endif
+
if ( sys_execve == tcp->s_ent->sys_func
# if defined(SPARC) || defined(SPARC64)
|| sys_execv == tcp->s_ent->sys_func
--- strace-4.10.orig/linux/syscall.h 2015-02-06 01:23:05.000000000 +0000
+++ strace-4.10/linux/syscall.h 2015-07-09 14:36:49.372494628 +0100
@@ -277,6 +277,7 @@
int sys_symlinkat();
int sys_sync_file_range();
int sys_sync_file_range2();
+int sys_syscall();
int sys_sysctl();
int sys_sysinfo();
int sys_syslog();
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