0fa18b338d
* include: Move from mlib/include. * lib: Move from mlib. * BOOTSTRAP: Update. * HACKING: Update. * guile/guix/make.scm: Update. * make.scm: Update. * module/language/c99/compiler.mes: Update.
210 lines
4.4 KiB
C
210 lines
4.4 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* Mes --- Maxwell Equations of Software
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* Copyright © 2017 Jan Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of Mes.
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*
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* Mes is free software; you can redistribute it and/or modify it
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* 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 (at
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* your option) any later version.
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*
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* Mes is distributed in the hope that it will be useful, but
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* 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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*
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* You should have received a copy of the GNU General Public License
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* along with Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MES_SIGNAL_H
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#define __MES_SIGNAL_H 1
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#if __GNUC__ && POSIX
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#undef __MES_SIGNAL_H
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#include_next <signal.h>
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#else //! (__GNUC__ && POSIX)
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typedef int sigset_t;
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typedef int stack_t;
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typedef int pid_t;
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typedef int uid_t;
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typedef int clock_t;
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typedef int sigval_t;
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#define SIGHUP 1
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#define SIGINT 2
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#define SIGQUIT 3
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#define SIGILL 4
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#define SIGTRAP 5
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#define SIGABRT 6
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#define SIGIOT 6
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#define SIGBUS 7
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#define SIGFPE 8
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#define SIGKILL 9
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#define SIGUSR1 10
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#define SIGSEGV 11
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#define SIGUSR2 12
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#define SIGPIPE 13
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#define SIGALRM 14
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#define SIGTERM 15
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#define SIGSTKFLT 16
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#define SIGCHLD 17
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#define SIGCONT 18
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#define SIGSTOP 19
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#define SIGTSTP 20
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#define SIGTTIN 21
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#define SIGTTOU 22
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#define SIGURG 23
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#define SIGXCPU 24
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#define SIGXFSZ 25
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#define SIGVTALRM 26
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#define SIGPROF 27
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#define SIGWINCH 28
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#define SIGIO 29
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#define SIGPOLL SIGIO
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#define FPE_INTDIV 1
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#define FPE_INTOVF 2
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#define FPE_FLTDIV 3
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#define FPE_FLTOVF 4
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#define FPE_FLTUND 5
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#define FPE_FLTRES 6
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#define FPE_FLTINV 7
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#define FPE_FLTSUB 8
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#define SA_NOCLDSTOP 0x00000001
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#define SA_NOCLDWAIT 0x00000002
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#define SA_SIGINFO 0x00000004
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#define SA_ONSTACK 0x08000000
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#define SA_RESTART 0x10000000
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#define SA_NODEFER 0x40000000
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#define SA_RESETHAND 0x80000000
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#define SA_NOMASK SA_NODEFER
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#define SA_ONESHOT SA_RESETHAND
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typedef struct siginfo_t {
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int si_signo;
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int si_errno;
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int si_code;
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int si_trapno;
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pid_t si_pid;
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uid_t si_uid;
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int si_status;
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clock_t si_utime;
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clock_t si_stime;
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sigval_t si_value;
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int si_int;
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void *si_ptr;
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int si_overrun;
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int si_timerid;
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void *si_addr;
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long si_band;
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int si_fd;
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short si_addr_lsb;
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void *si_lower;
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void *si_upper;
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int si_pkey;
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void *si_call_addr;
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int si_syscall;
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unsigned int si_arch;
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} siginfo_t;
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// typedef void __signalfn_t(int);
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// typedef __signalfn_t *__sighandler_t;
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struct sigaction {
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void (*sa_sigaction) (int, siginfo_t *, void *);
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//__sighandler_t sa_handler;
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unsigned long sa_flags;
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sigset_t sa_mask;
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};
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#ifdef __i386__
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#define EBX 0
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#define ECX 1
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#define EDX 2
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#define ESI 3
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#define EDI 4
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#define EBP 5
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#define EAX 6
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#define DS 7
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#define ES 8
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#define FS 9
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#define GS 10
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#define ORIG_EAX 11
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#define EIP 12
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#define CS 13
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#define EFL 14
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#define UESP 15
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#define SS 16
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#define FRAME_SIZE 17
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/* Type for general register. */
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typedef int greg_t;
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/* Number of general registers. */
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#define NGREG 19
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/* Container for all general registers. */
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typedef greg_t gregset_t[NGREG];
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/* Definitions taken from the kernel headers. */
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struct _libc_fpreg
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{
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unsigned short int significand[4];
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unsigned short int exponent;
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};
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struct _libc_fpstate
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{
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unsigned long int cw;
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unsigned long int sw;
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unsigned long int tag;
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unsigned long int ipoff;
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unsigned long int cssel;
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unsigned long int dataoff;
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unsigned long int datasel;
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struct _libc_fpreg _st[8];
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unsigned long int status;
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};
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/* Structure to describe FPU registers. */
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typedef struct _libc_fpstate *fpregset_t;
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typedef struct
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{
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gregset_t gregs;
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/* Due to Linux's history we have to use a pointer here. The SysV/i386
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ABI requires a struct with the values. */
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fpregset_t fpregs;
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unsigned long int oldmask;
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unsigned long int cr2;
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} mcontext_t;
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/* Userlevel context. */
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typedef struct ucontext
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{
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unsigned long int uc_flags;
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struct ucontext *uc_link;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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sigset_t uc_sigmask;
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struct _libc_fpstate __fpregs_mem;
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} ucontext_t;
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#endif // !__i386__
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int sigaction (int signum, struct sigaction const *act, struct sigaction *oldact);
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int sigemptyset (sigset_t *set);
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#endif //! (__GNUC__ && POSIX)
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#endif // __MES_SIGNAL_H
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