mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
1d506c26d9
This commit is the result of the following actions:
- Running gdb/copyright.py to update all of the copyright headers to
include 2024,
- Manually updating a few files the copyright.py script told me to
update, these files had copyright headers embedded within the
file,
- Regenerating gdbsupport/Makefile.in to refresh it's copyright
date,
- Using grep to find other files that still mentioned 2023. If
these files were updated last year from 2022 to 2023 then I've
updated them this year to 2024.
I'm sure I've probably missed some dates. Feel free to fix them up as
you spot them.
59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/* Low-level siginfo manipulation for amd64.
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Copyright (C) 2016-2024 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef NAT_AMD64_LINUX_SIGINFO_H
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#define NAT_AMD64_LINUX_SIGINFO_H
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#include <signal.h>
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/* When GDB is built as a 64-bit application on Linux, the
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PTRACE_GETSIGINFO data is always presented in 64-bit layout. Since
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debugging a 32-bit inferior with a 64-bit GDB should look the same
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as debugging it with a 32-bit GDB, we do the 32-bit <-> 64-bit
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conversion in-place ourselves.
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In other to make this conversion independent of the system where gdb
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is compiled the most complete version of the siginfo, named as native
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siginfo, is used internally as an intermediate step.
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Conversion using nat_siginfo is exemplified below:
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compat_siginfo_from_siginfo or compat_x32_siginfo_from_siginfo
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buffer (from the kernel) -> nat_siginfo -> 32 / X32 siginfo
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siginfo_from_compat_x32_siginfo or siginfo_from_compat_siginfo
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32 / X32 siginfo -> nat_siginfo -> buffer (to the kernel) */
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/* Kind of siginfo fixup to be performed. */
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enum amd64_siginfo_fixup_mode
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{
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FIXUP_32 = 1, /* Fixup for 32bit. */
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FIXUP_X32 = 2 /* Fixup for x32. */
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};
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/* Common code for performing the fixup of the siginfo. */
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int amd64_linux_siginfo_fixup_common (siginfo_t *native, gdb_byte *inf,
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int direction,
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enum amd64_siginfo_fixup_mode mode);
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#endif /* NAT_AMD64_LINUX_SIGINFO_H */
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