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Add _sigsys info to siginfo struct

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This patch adds information about _sigsys structure from newer
kernels, so that $_siginfo decoding can show information about
_sigsys, making it easier for developers to debug seccomp failures.
Requested in PR gdb/24283.

Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=24283
This commit is contained in:
Hannes Domani
2020-04-07 20:57:07 +02:00
parent bc2e7c7daa
commit 24fe764c8a
1 changed files with 7 additions and 0 deletions
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7
gdb/linux-tdep.c
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@ -380,6 +380,13 @@ linux_get_siginfo_type_with_fields (struct gdbarch *gdbarch,
append_composite_type_field (type, "si_fd", int_type); append_composite_type_field (type, "si_fd", int_type);
append_composite_type_field (sifields_type, "_sigpoll", type); append_composite_type_field (sifields_type, "_sigpoll", type);
/* _sigsys */
type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
append_composite_type_field (type, "_call_addr", void_ptr_type);
append_composite_type_field (type, "_syscall", int_type);
append_composite_type_field (type, "_arch", uint_type);
append_composite_type_field (sifields_type, "_sigsys", type);
/* struct siginfo */ /* struct siginfo */
siginfo_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT); siginfo_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
siginfo_type->set_name (xstrdup ("siginfo")); siginfo_type->set_name (xstrdup ("siginfo"));