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Diffstat (limited to 'src/m-ibmps2-aix.h')
| -rw-r--r-- | src/m-ibmps2-aix.h | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/src/m-ibmps2-aix.h b/src/m-ibmps2-aix.h new file mode 100644 index 00000000000..1fff0429753 --- /dev/null +++ b/src/m-ibmps2-aix.h @@ -0,0 +1,235 @@ +/* m- file for ibm ps/2 aix386. + Copyright (C) 1989 Free Software Foundation, Inc. + +This file is part of GNU Emacs. + +GNU Emacs is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 1, or (at your option) +any later version. + +GNU Emacs 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 General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Emacs; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + + +/* 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 */ + +/* i386 is not big-endian: lowest numbered byte is least significant. */ + +/* #undef 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) ((signed char)(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 */ + +#define INTEL386 +#define aix386 +#undef SYSTEM_TYPE +#define SYSTEM_TYPE "ibm-aix-386" + +/* Use type int rather than a union, to represent Lisp_Object */ + +#define NO_UNION_TYPE + +/* crt0.c, if it is used, should use the i386-bsd style of entry. + with no extra dummy args. On USG and XENIX, + NO_REMAP says this isn't used. */ + +#define CRT0_DUMMIES bogus_fp, + +/* crt0.c should define a symbol `start' and do .globl with a dot. */ + +#define DOT_GLOBAL_START + +/* USG systems do not actually support the load average, +so disable it for them. */ + +/* 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 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 addresses, macros, change some setup for dump */ + +#define NO_REMAP +#undef static + /* Since NO_REMAP, problem with statics doesn't exist */ + +#ifdef USG5_3 +#define TEXT_START 0x00000000 +#else +#define TEXT_START 0x00400000 +#define TEXT_END 0 +#define DATA_START 0x00800000 +#define DATA_END 0 + +/* The data segment in this machine always starts at address 0x00800000. + An address of data cannot be stored correctly in a Lisp object; + we always lose the high bits. We must tell XPNTR to add them back. */ + +#define DATA_SEG_BITS 0x00800000 +#endif + +#if 0 /* I refuse to promulgate a recommendation that would make + users unable to debug - RMS. */ +/* delete the following line to foil optimization, enable debugging */ +#define C_DEBUG_SWITCH -O +#endif + +#define BSTRING +#define HAVE_DUP2 +#define HAVE_GETTIMEOFDAY +#define HAVE_SELECT +#define HAVE_TIMEVAL +#define HAVE_VFORK +#define HAVE_SETSID +#define HAVE_TCATTR + +/* + * Define SYSV_SYSTEM_DIR to use the V.3 getdents/readir + * library functions. Almost, but not quite the same as + * the 4.2 functions + */ +#define SYSV_SYSTEM_DIR +#define HAVE_CLOSEDIR /* This system, unlike ordinary SYSV, has closedir. */ + +/* + * Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate + * The 4.2 opendir, etc., library functions. + */ +#undef NONSYSTEM_DIR_LIBRARY + +/* But don't use utimes() -- it causes SIGSEGV! Use utime() instead. */ +#define USE_UTIME + +/* AIX defines FIONREAD, but it does not work. */ +#define BROKEN_FIONREAD + +/* This page was added in June 1990. It may be incorrect for some versions + of aix, so delete it if it causes trouble. */ + +/* AIX has sigsetmask() */ +#undef sigsetmask + +/* AIX386 has BSD4.3 PTYs */ + +#define HAVE_PTYS + +/* AIX has IPC. It also has sockets, and either can be used for client/server. + I would suggest the client/server code be changed to use HAVE_SOCKETS rather + than BSD as the conditional if sockets provide any advantages. */ + +#define HAVE_SYSVIPC + +/* AIX has sockets */ + +#define HAVE_SOCKETS +/* #define SKTPAIR */ /* SKTPAIR works, but what is advantage over pipes? */ + +/* Specify the font for X to use. */ + +#define X_DEFAULT_FONT "8x13" + +/* AIX has a wait.h. */ + +#define HAVE_WAIT_HEADER + +/* Data type of load average, as read out of kmem. */ + +#define LOAD_AVE_TYPE long /* For AIX (sysV) */ + +/* Convert that into an integer that is 100 for a load average of 1.0 */ + +#define LOAD_AVE_CVT(x) (int) (((double) (x)/65535.0) * 100.0) + +/* Here override various assumptions in ymakefile */ + +/* 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. */ + +#ifdef __GNUC__ +#define HAVE_ALLOCA +#define alloca(n) __builtin_alloca(n) +#if __GNUC__ < 2 +#define LIB_STANDARD /usr/local/lib/gcc-gnulib -lc +#endif +/* -g fails to work, so it is omitted. */ +/* tranle says that -fstrength-reduce does not help. */ +#define C_DEBUG_SWITCH -O +#else +#define C_ALLOCA +#define STACK_DIRECTION -1 /* tell alloca.c which way it grows */ +#define LIBS_MACHINE -lbsd -lrts +#endif + +#define OBJECTS_MACHINE hftctl.o +#define LD_SWITCH_MACHINE -T0x00400000 -K -e start + +#ifdef USG5_3 +#define XICCC +#define HAVE_GETWD +#define HAVE_RENAME +#undef LD_SWITCH_MACHINE +#define LD_SWITCH_MACHINE -T0x0 -K -e start + +/* Things defined in s-usg5-3.h that need to be overridden. */ +#undef NOMULTIPLEJOBS +#undef BROKEN_TIOCGETC +#undef LIBX10_SYSTEM +#undef LIBX11_SYSTEM +#endif + +/* Shared libraries are supported in a patch release of ps/2 1.2.1. + If the system has them, the user can turn them on, and this code + will make them work. */ +#ifdef USG_SHARED_LIBRARIES +#define ORDINARY_LINK +#undef LIB_STANDARD +#undef LD_SWITCH_MACHINE +#if __GNUC__ > 1 +#define LD_SWITCH_MACHINE -shlib +#endif +#endif |