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| author | Flavio Cruz <flaviocruz@gmail.com> | 2023-02-15 01:16:38 -0500 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-02-20 01:33:15 +0100 |
| commit | b5b27ff1519d6ca20efcec46bc26964e1c7da68a (patch) | |
| tree | 3e932d57f4d922fca561c846ff3a00e739963fdc /sysdeps/mach/x86 | |
| parent | be318c0f38b6b72a0716edce818b755411e75600 (diff) | |
| download | glibc-b5b27ff1519d6ca20efcec46bc26964e1c7da68a.tar.xz glibc-b5b27ff1519d6ca20efcec46bc26964e1c7da68a.zip | |
Define PC, SP and SYSRETURN for hurd x86_64
Moved thread_state.h to x86 directory since we only need to customize
those 3 definitions.
Message-Id: <Y+x4xrsDMkAomncO@jupiter.tail36e24.ts.net>
Diffstat (limited to 'sysdeps/mach/x86')
| -rw-r--r-- | sysdeps/mach/x86/thread_state.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/sysdeps/mach/x86/thread_state.h b/sysdeps/mach/x86/thread_state.h new file mode 100644 index 0000000000..5be0bec150 --- /dev/null +++ b/sysdeps/mach/x86/thread_state.h @@ -0,0 +1,59 @@ +/* Mach thread state definitions for machine-independent code. i386 version. + Copyright (C) 1994-2023 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#ifndef _MACH_X86_THREAD_STATE_H +#define _MACH_X86_THREAD_STATE_H 1 + +#include <mach/machine/thread_status.h> + +/* This lets the kernel define segments for a new thread. */ +#define MACHINE_NEW_THREAD_STATE_FLAVOR i386_THREAD_STATE +/* This makes the kernel load our segments descriptors. */ +#define MACHINE_THREAD_STATE_FLAVOR i386_REGS_SEGS_STATE +#define MACHINE_THREAD_STATE_COUNT i386_THREAD_STATE_COUNT + +#define machine_thread_state i386_thread_state + +#ifdef __x86_64__ +#define PC rip +#define SP ursp +#define SYSRETURN rax +#else +#define PC eip +#define SP uesp +#define SYSRETURN eax +#endif + +#define MACHINE_THREAD_STATE_FIX_NEW(ts) do { \ + asm ("mov %%cs, %w0" : "=q" ((ts)->cs)); \ + asm ("mov %%ds, %w0" : "=q" ((ts)->ds)); \ + asm ("mov %%es, %w0" : "=q" ((ts)->es)); \ + asm ("mov %%fs, %w0" : "=q" ((ts)->fs)); \ + asm ("mov %%gs, %w0" : "=q" ((ts)->gs)); \ +} while(0) + +struct machine_thread_all_state + { + int set; /* Mask of bits (1 << FLAVOR). */ + struct i386_thread_state basic; + struct i386_float_state fpu; + }; + +#include <sysdeps/mach/thread_state.h> + +#endif /* mach/x86/thread_state.h */ |