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ptrace: decode addr argument of PTRACE_PEEKSIGINFO request

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The addr argument of PTRACE_PEEKSIGINFO request is a pointer to
a struct ptrace_peeksiginfo_args.

* process.c: Include "xlat/ptrace_peeksiginfo_flags.h".
(SYS_FUNC(ptrace)): Print addr argument of PTRACE_PEEKSIGINFO request
as a struct ptrace_peeksiginfo_args.
* xlat/ptrace_peeksiginfo_flags.in: New file.
This commit is contained in:
Дмитрий Левин 2016-05-12 15:45:24 +00:00
parent 3a5cd34e34
commit 809ee3e46c
2 changed files with 20 additions and 0 deletions
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19
process.c
View File

@ -46,6 +46,7 @@
#include "ptrace.h"
#include "xlat/ptrace_cmds.h"
#include "xlat/ptrace_setoptions_flags.h"
#include "xlat/ptrace_peeksiginfo_flags.h"
#define uoff(member) offsetof(struct user, member)
#define XLAT_UOFF(member) { uoff(member), "offsetof(struct user, " #member ")" }
@ -122,6 +123,24 @@ SYS_FUNC(ptrace)
case PTRACE_SECCOMP_GET_FILTER:
tprintf(", %lu", addr);
break;
case PTRACE_PEEKSIGINFO: {
tprints(", ");
struct {
uint64_t off;
uint32_t flags;
uint32_t nr;
} psi;
if (umove_or_printaddr(tcp, addr, &psi)) {
tprints(", ");
printaddr(data);
return RVAL_DECODED;
}
tprintf("{off=%" PRIu64 ", flags=", psi.off);
printflags(ptrace_peeksiginfo_flags, psi.flags,
"PTRACE_PEEKSIGINFO_???");
tprintf(", nr=%u}", psi.nr);
break;
}
#if defined SPARC || defined SPARC64
case PTRACE_GETREGS:
case PTRACE_SETREGS:

1
xlat/ptrace_peeksiginfo_flags.in Normal file
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@ -0,0 +1 @@
PTRACE_PEEKSIGINFO_SHARED 1