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[Bug gdb/20287] X32 and "gdb_static_assert (sizeof (nat_siginfo_t) == sizeof (siginfo_t))"
- From: "walfred.tedeschi at intel dot com" <sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: Fri, 24 Jun 2016 12:02:51 +0000
- Subject: [Bug gdb/20287] X32 and "gdb_static_assert (sizeof (nat_siginfo_t) == sizeof (siginfo_t))"
- Auto-submitted: auto-generated
- References: <bug-20287-4717 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=20287
--- Comment #22 from Walfred Tedeschi <walfred.tedeschi at intel dot com> ---
In the Kernel sources we have:
1 #ifndef _ASM_X86_SIGINFO_H
2 #define _ASM_X86_SIGINFO_H
3
4 #ifdef __x86_64__
5 # ifdef __ILP32__ /* x32 */
6 typedef long long __kernel_si_clock_t __attribute__((aligned(4)));
7 # define __ARCH_SI_CLOCK_T __kernel_si_clock_t
8 # define __ARCH_SI_ATTRIBUTES __attribute__((aligned(8)))
9 # else /* x86-64 */
10 # define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
11 # endif
12 #endif
13
14 #include <asm-generic/siginfo.h>
15
16 #endif /* _ASM_X86_SIGINFO_H */
http://lxr.free-electrons.com/source/arch/x86/include/uapi/asm/siginfo.h
So for fix we could set the _pad conditionally as the glic does.
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