2017-01-15 00:37:00 +00:00
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commit f34b97f89dd3893ef3652a6899487771402fc13c
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2015-09-02 02:38:10 +00:00
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Index: strace-4.10/linux/mips/syscallent-o32.h
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===================================================================
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--- strace-4.10.orig/linux/mips/syscallent-o32.h
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+++ strace-4.10/linux/mips/syscallent-o32.h
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@@ -1,6 +1,6 @@
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#if defined LINUX_MIPSO32
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/* For an O32 strace, decode the o32 syscalls. */
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-[4000] = { MA, 0, printargs, "syscall" }, /* start of Linux o32 */
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+[4000] = { MA, 0, sys_syscall, "syscall" }, /* start of Linux o32 */
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[4001] = { 1, TP|SE, sys_exit, "exit" },
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[4002] = { 0, TP, sys_fork, "fork" },
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[4003] = { 3, TD, sys_read, "read" },
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Index: strace-4.10/syscall.c
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===================================================================
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--- strace-4.10.orig/syscall.c
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+++ strace-4.10/syscall.c
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@@ -606,6 +606,25 @@ decode_ipc_subcall(struct tcb *tcp)
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}
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#endif
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+#ifdef LINUX_MIPSO32
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+static void
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+decode_mips_subcall(struct tcb *tcp)
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+{
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+ if (!SCNO_IS_VALID(tcp->u_arg[0]))
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+ return;
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+ tcp->scno = tcp->u_arg[0];
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+ tcp->qual_flg = qual_flags[tcp->scno];
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+ tcp->s_ent = &sysent[tcp->scno];
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+ memmove(&tcp->u_arg[0], &tcp->u_arg[1],
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+ sizeof(tcp->u_arg) - sizeof(tcp->u_arg[0]));
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+}
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+
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+int sys_syscall(struct tcb *tcp)
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+{
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+ return printargs(tcp);
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+}
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+#endif
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+
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int
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printargs(struct tcb *tcp)
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{
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@@ -1774,6 +1793,11 @@ trace_syscall_entering(struct tcb *tcp)
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goto ret;
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}
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+#ifdef LINUX_MIPSO32
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+ if (sys_syscall == tcp->s_ent->sys_func)
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+ decode_mips_subcall(tcp);
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+#endif
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+
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if ( sys_execve == tcp->s_ent->sys_func
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# if defined(SPARC) || defined(SPARC64)
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|| sys_execv == tcp->s_ent->sys_func
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--- strace-4.10.orig/linux/syscall.h 2015-02-06 01:23:05.000000000 +0000
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+++ strace-4.10/linux/syscall.h 2015-07-09 14:36:49.372494628 +0100
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@@ -277,6 +277,7 @@
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int sys_symlinkat();
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int sys_sync_file_range();
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int sys_sync_file_range2();
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+int sys_syscall();
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int sys_sysctl();
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int sys_sysinfo();
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int sys_syslog();
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