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gdb: support rseq auxvs

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Linux kernel commit commit 317c8194e6ae ("rseq: Introduce feature size
and alignment ELF auxiliary vector entries") introduced two new auxvs:
AT_RSEQ_FEATURE_SIZE and AT_RSEQ_ALIGN.  Support them in GDB.  This
fixes auxv.exp on kernels >= v6.3.

Change-Id: I8966c4d5c73eb7b45de6d410a9b28a6628edad2e
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=30540
Approved-By: Tom Tromey <tom@tromey.com>
This commit is contained in:
Ilya Leoshkevich
2023-06-22 01:03:04 +02:00
committed by Simon Marchi
parent 08330ace11
commit 7a3bb62d82
2 changed files with 6 additions and 0 deletions
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4
gdb/auxv.c
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@@ -495,6 +495,10 @@ default_print_auxv_entry (struct gdbarch *gdbarch, struct ui_file *file,
AUXV_FORMAT_STR);
TAG (AT_RANDOM, _("Address of 16 random bytes"), AUXV_FORMAT_HEX);
TAG (AT_HWCAP2, _("Extension of AT_HWCAP"), AUXV_FORMAT_HEX);
TAG (AT_RSEQ_FEATURE_SIZE, _("rseq supported feature size"),
AUXV_FORMAT_DEC);
TAG (AT_RSEQ_ALIGN, _("rseq allocation alignment"),
AUXV_FORMAT_DEC);
TAG (AT_EXECFN, _("File name of executable"), AUXV_FORMAT_STR);
TAG (AT_SECURE, _("Boolean, was exec setuid-like?"), AUXV_FORMAT_DEC);
TAG (AT_SYSINFO, _("Special system info/entry points"), AUXV_FORMAT_HEX);