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ltrace
ltrace.s390-more-arguments.patch
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File ltrace.s390-more-arguments.patch of Package ltrace
https://bugzilla.novell.com/show_bug.cgi?id=349987 ltrace is not getting values of arguments with arg_num greater than 4 in s390. ltrace is exiting in s390 when getnameinfo() syscall is called which has got 7 arguments. --- sysdeps/linux-gnu/s390/trace.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) --- a/sysdeps/linux-gnu/s390/trace.c +++ b/sysdeps/linux-gnu/s390/trace.c @@ -185,8 +185,18 @@ long gimme_arg(enum tof type, struct pro ret = ptrace(PTRACE_PEEKUSER, proc->pid, PT_GPR6, 0); break; default: - fprintf(stderr, "gimme_arg called with wrong arguments\n"); - exit(2); + if(arg_num >= 5){ +#ifdef __s390x__ + ret = ptrace(PTRACE_PEEKUSER, proc->pid, + proc->stack_pointer + 160 + + 8 * (arg_num - 5), 0); +#else + ret = ptrace(PTRACE_PEEKUSER, proc->pid, + proc->stack_pointer + 96 + + 4 * (arg_num - 5), 0); +#endif + } + } #ifdef __s390x__ if (proc->mask_32bit)
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