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Diffstat (limited to 'src/m/ibm370aix.h')
-rw-r--r-- | src/m/ibm370aix.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/m/ibm370aix.h b/src/m/ibm370aix.h new file mode 100644 index 00000000000..49f06e5106f --- /dev/null +++ b/src/m/ibm370aix.h @@ -0,0 +1,174 @@ +/* ibm370.h + For IBM 3090 type systems running AIX370. + Concocted by Scott Schwartz <schwartz@cs.psu.edu> + Copyright (C) 1985, 1986 Free Software Foundation, Inc. + +This file is part of GNU Emacs. + +GNU Emacs is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY. No author or distributor +accepts responsibility to anyone for the consequences of using it +or for whether it serves any particular purpose or works at all, +unless he says so in writing. Refer to the GNU Emacs General Public +License for full details. + +Everyone is granted permission to copy, modify and redistribute +GNU Emacs, but only under the conditions described in the +GNU Emacs General Public License. A copy of this license is +supposed to have been given to you along with GNU Emacs so you +can know your rights and responsibilities. It should be in a +file named COPYING. Among other things, the copyright notice +and this notice must be preserved on all copies. */ + + +/* The following three symbols give information on + the size of various data types. */ + +#define SHORTBITS 16 /* Number of bits in a short */ + +#define INTBITS 32 /* Number of bits in an int */ + +#define LONGBITS 32 /* Number of bits in a long */ + +/* Define BIG_ENDIAN iff lowest-numbered byte in a word + is the most significant byte. */ + +#define BIG_ENDIAN + +/* Define NO_ARG_ARRAY if you cannot take the address of the first of a + * group of arguments and treat it as an array of the arguments. */ + +#define NO_ARG_ARRAY + +/* Define WORD_MACHINE if addresses and such have + * to be corrected before they can be used as byte counts. */ + +/* #define WORD_MACHINE */ + +/* Define how to take a char and sign-extend into an int. + On machines where char is signed, this is a no-op. */ + +#define SIGN_EXTEND_CHAR(c) (((c) & 0x80) ? ((c) | 0xffffff80) : (c)) + +/* Now define a symbol for the cpu type, if your compiler + does not define it automatically: + Ones defined so far include vax, m68000, ns16000, pyramid, + orion, tahoe, APOLLO and many others */ +/* high-c defines _AIX370 */ + +/* Use type int rather than a union, to represent Lisp_Object */ +/* This is desirable for most machines. */ + +#define NO_UNION_TYPE + +/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend + the 24-bit bit field into an int. In other words, if bit fields + are always unsigned. + + If you use NO_UNION_TYPE, this flag does not matter. */ + +#define EXPLICIT_SIGN_EXTEND + +/* Data type of load average, as read out of kmem. */ + +#define LOAD_AVE_TYPE double + +/* Convert that into an integer that is 100 for a load average of 1.0 */ + +/* XXX */ +#define LOAD_AVE_CVT(x) (int)(((double) (x)) * 100.0 / 1.0) + +/* Define CANNOT_DUMP on machines where unexec does not work. + Then the function dump-emacs will not be defined + and temacs will do (load "loadup") automatically unless told otherwise. */ + +#define CANNOT_DUMP +#define CANNOT_UNEXEC + +/* Define VIRT_ADDR_VARIES if the virtual addresses of + pure and impure space as loaded can vary, and even their + relative order cannot be relied on. + + Otherwise Emacs assumes that text space precedes data space, + numerically. */ + +#define VIRT_ADDR_VARIES + +/* Define C_ALLOCA if this machine does not support a true alloca + and the one written in C should be used instead. + Define HAVE_ALLOCA to say that the system provides a properly + working alloca function and it should be used. + Define neither one if an assembler-language alloca + in the file alloca.s should be used. */ + +/* #define C_ALLOCA */ +#define HAVE_ALLOCA + +#ifndef NO_SHORTNAMES +#include <alloca.h> +#include <setjmp.h> +#endif + +/* Define NO_REMAP if memory segmentation makes it not work well + to change the boundary between the text section and data section + when Emacs is dumped. If you define this, the preloaded Lisp + code will not be sharable; but that's better than failing completely. */ + +#define NO_REMAP + +/* Don't try to include sioctl.h. */ +#undef NEED_SIOCTL +/* That probably means we shouldn't try ptem.h either. */ +#undef NEED_PTEM_H + +/* Note we do not define IBMAIX, since the `hft' features + don't exist on this machine. */ + +#define LIBS_DEBUG -lg +#ifndef LD_SWITCH_SYSTEM +#define LD_SWITCH_SYSTEM +#endif + +#define LIBS_SYSTEM -lbsd + +/* The symbol in the kernel where the load average is found + is named _avenrun. */ + +#undef LDAV_SYMBOL +#define LDAV_SYMBOL "_avenrun" + +/* define MAIL_USE_FLOCK if the mailer uses flock + to interlock access to /usr/spool/mail/$USER. + The alternative is that a lock file named + /usr/spool/mail/$USER.lock. */ +#define MAIL_USE_FLOCK + +/* Define CLASH_DETECTION if you want lock files to be written + so that Emacs can tell instantly when you try to modify + a file that someone else has modified in his Emacs. */ +#define CLASH_DETECTION + +#define BSTRING + +/* First pty name is /dev/ptyp0. */ +#define FIRST_PTY_LETTER 'p' + +/* + * Define HAVE_TIMEVAL if the system supports the BSD style clock values. + * Look in <sys/time.h> for a timeval structure. + */ +#define HAVE_TIMEVAL + +/* + * Define HAVE_SELECT if the system supports the `select' system call. + */ +#define HAVE_SELECT + +/* + * Define HAVE_PTYS if the system supports pty devices. + */ +#define HAVE_PTYS + +/* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */ + +#define HAVE_SOCKETS |