mirror of
https://gitlab.com/sortix/sortix.git
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155 lines
3.1 KiB
C
155 lines
3.1 KiB
C
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2013, 2014.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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Sortix. If not, see <http://www.gnu.org/licenses/>.
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sortix/ucontext.h
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Declares ucontext_t and associated values.
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*******************************************************************************/
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#ifndef INCLUDE_SORTIX_UCONTEXT_H
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#define INCLUDE_SORTIX_UCONTEXT_H
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#include <sys/cdefs.h>
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#include <sortix/sigset.h>
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#include <sortix/stack.h>
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__BEGIN_DECLS
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/* Register declarations for i386 */
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#if defined(__i386__)
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typedef int greg_t;
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#define NGREG 23
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typedef greg_t gregset_t[NGREG];
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enum
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{
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REG_GS = 0,
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#define REG_GS REG_GS
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REG_FS,
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#define REG_FS REG_FS
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REG_ES,
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#define REG_ES REG_ES
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REG_DS,
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#define REG_DS REG_DS
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REG_EDI,
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#define REG_EDI REG_EDI
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REG_ESI,
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#define REG_ESI REG_ESI
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REG_EBP,
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#define REG_EBP REG_EBP
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REG_ESP,
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#define REG_ESP REG_ESP
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REG_EBX,
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#define REG_EBX REG_EBX
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REG_EDX,
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#define REG_EDX REG_EDX
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REG_ECX,
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#define REG_ECX REG_ECX
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REG_EAX,
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#define REG_EAX REG_EAX
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REG_EIP,
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#define REG_EIP REG_EIP
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REG_CS,
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#define REG_CS REG_CS
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REG_EFL,
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#define REG_EFL REG_EFL
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REG_SS,
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#define REG_SS REG_SS
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REG_CR2,
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#define REG_CR2 REG_CR2
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REG_FSBASE,
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#define REG_FSBASE REG_FSBASE
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REG_GSBASE,
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#define REG_GSBASE REG_GSBASE
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};
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#endif
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/* Register declarations for x86-64 */
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#if defined(__x86_64__)
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typedef long int greg_t;
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#define NGREG 23
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typedef greg_t gregset_t[NGREG];
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enum
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{
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REG_R8 = 0,
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#define REG_R8 REG_R8
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REG_R9,
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#define REG_R9 REG_R9
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REG_R10,
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#define REG_R10 REG_R10
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REG_R11,
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#define REG_R11 REG_R11
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REG_R12,
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#define REG_R12 REG_R12
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REG_R13,
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#define REG_R13 REG_R13
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REG_R14,
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#define REG_R14 REG_R14
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REG_R15,
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#define REG_R15 REG_R15
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REG_RDI,
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#define REG_RDI REG_RDI
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REG_RSI,
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#define REG_RSI REG_RSI
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REG_RBP,
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#define REG_RBP REG_RBP
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REG_RBX,
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#define REG_RBX REG_RBX
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REG_RDX,
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#define REG_RDX REG_RDX
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REG_RAX,
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#define REG_RAX REG_RAX
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REG_RCX,
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#define REG_RCX REG_RCX
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REG_RSP,
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#define REG_RSP REG_RSP
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REG_RIP,
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#define REG_RIP REG_RIP
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REG_EFL,
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#define REG_EFL REG_EFL
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REG_CSGSFS, /* Actually short cs, gs, fs, __pad0. */
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#define REG_CSGSFS REG_CSGSFS
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REG_CR2,
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#define REG_CR2 REG_CR2
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REG_FSBASE,
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#define REG_FSBASE REG_FSBASE
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REG_GSBASE,
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#define REG_GSBASE REG_GSBASE
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};
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#endif
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typedef struct
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{
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gregset_t gregs;
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#if defined(__i386__) || defined(__x86_64__)
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unsigned char fpuenv[512];
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#endif
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} mcontext_t;
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typedef struct ucontext
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{
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struct ucontext* uc_link;
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sigset_t uc_sigmask;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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} ucontext_t;
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__END_DECLS
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#endif
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