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* printsiginfo.c (print_si_info): Explicitly cast si_syscall member
of siginfo_t that has type "int" to "unsigned int", to avoid sign
extension when passed to syscall_name function.
Before this change, all files that exist since 20th century had
copyright headers, while most files that appeared later didn't. This
change fixes the inconsistency by adding missing copyright headers.
It doesn't mean that copyright headers became maintained. In my view,
git history provides much better information on this subject and is much
more accurate than copyright headers.
Fix multiple personalities support in parsers of ptrace,
rt_sigqueueinfo, rt_tgsigqueueinfo, rt_sigtimedwait and waitid syscalls
by converting printsiginfo_at into a mpersified printer.
* printsiginfo.c (siginfo_t): Mpersify.
(printsiginfo_at): Wrap function name into MPERS_PRINTER_DECL.
* defs.h (printsiginfo_at): Remove.
* signal.c (print_sigqueueinfo, sys_rt_sigtimedwait): Use mpersified
printsiginfo_at.
* process.c (sys_ptrace): Likewise.
* wait.c (sys_waitid): Likewise.
When receiving SIGSYS, the si_syscall & si_arch fields are set to known
values, so make sure we decode their values into the symbol settings.
This makes stracing seccomp failures much easier.
* defs.h (syscall_name): New prototype.
* printsiginfo.c: Include linux/audit.h and xlat/audit_arch.h.
(print_si_info): Decode si_syscall & si_arch for SIGSYS.
* syscall.c (undefined_scno_name): Delete.
(syscall_name): New function.
(trace_syscall_entering): Change undefined_scno_name to syscall_name.
(trace_syscall_exiting): Likewise.
* xlat/audit_arch.in: New file.
* printsiginfo.h: New file.
* Makefile.am (strace_SOURCES): Add it.
* defs.h: Do not include <signal.h>.
(printsiginfo): Remove.
* printsiginfo.c: Include <signal.h> and "printsiginfo.h".
* strace.c: Likewise.
* sigaltstack.c: Include <signal.h>.
* signal.c: Likewise.
* sigreturn.c: Likewise.
* time.c: Likewise.
* printsiginfo.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* defs.h (printsiginfo): Change second argument's type from int to bool.
* signal.c: Stop defining siginfo_t related constants.
Move inclusion of xlat/sig*_codes.h files to printsiginfo.c
(printsigsource, printsigval, printsiginfo_at): Move to printsiginfo.c.
(printsiginfo): Change second argument's type from int to bool,
split, and move to printsiginfo.c.
