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Decode struct iov in PTRACE_GET/SETREGSET

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* process.c (sys_ptrace): Decode struct iov in PTRACE_GET/SETREGSET.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2013-02-13 16:10:10 +01:00
parent 873e5a5a5c
commit be99497d39
1 changed files with 24 additions and 4 deletions
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28
process.c
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@ -2260,9 +2260,11 @@ sys_ptrace(struct tcb *tcp)
if (entering(tcp)) {
printxval(ptrace_cmds, tcp->u_arg[0], "PTRACE_???");
tprintf(", %lu, ", tcp->u_arg[1]);
addr = tcp->u_arg[2];
if (tcp->u_arg[0] == PTRACE_PEEKUSER
|| tcp->u_arg[0] == PTRACE_POKEUSER) {
|| tcp->u_arg[0] == PTRACE_POKEUSER
) {
for (x = struct_user_offsets; x->str; x++) {
if (x->val >= addr)
break;
@ -2275,9 +2277,15 @@ sys_ptrace(struct tcb *tcp)
}
else
tprintf("%s, ", x->str);
}
else
tprintf("%#lx, ", tcp->u_arg[2]);
} else
#ifdef PTRACE_GETREGSET
//if (tcp->u_arg[0] == PTRACE_GET/SETREGSET) {
// TODO: show tcp->u_arg[2] as "NT_xxx, "
//} else
#endif
tprintf("%#lx, ", addr);
switch (tcp->u_arg[0]) {
#ifndef IA64
case PTRACE_PEEKDATA:
@ -2314,6 +2322,13 @@ sys_ptrace(struct tcb *tcp)
case PTRACE_GETSIGINFO:
/* Don't print anything, do it at syscall return. */
break;
#endif
#ifdef PTRACE_GETREGSET
case PTRACE_GETREGSET:
break;
case PTRACE_SETREGSET:
tprint_iov(tcp, /*len:*/ 1, tcp->u_arg[3], /*as string:*/ 0);
break;
#endif
default:
tprintf("%#lx", tcp->u_arg[3]);
@ -2343,6 +2358,11 @@ sys_ptrace(struct tcb *tcp)
printsiginfo(&si, verbose(tcp));
break;
}
#endif
#ifdef PTRACE_GETREGSET
case PTRACE_GETREGSET:
tprint_iov(tcp, /*len:*/ 1, tcp->u_arg[3], /*as string:*/ 0);
break;
#endif
}
}