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/* asm-base.h
*
* COPYRIGHT (c) 1992 AT&T Bell Laboratories
*
* Common definitions for assembly files in the SML/NJ system.
*/
#ifndef _ASM_BASE_
#define _ASM_BASE_
#ifndef _ML_BASE_
#include "ml-base.h"
#endif
/* bool_t values for assembly code */
#define FALSE 0
#define TRUE 1
#if (!defined(GLOBALS_HAVE_UNDERSCORE)) && (defined(OPSYS_SUNOS) || (defined(OPSYS_FREEBSD) && !defined(__ELF__)) || (defined(OPSYS_NETBSD) && !defined(__ELF__)) || defined(OPSYS_NEXTSTEP) || defined(OPSYS_WIN32) || defined(OPSYS_DARWIN) || defined(OPSYS_CYGWIN))
# define GLOBALS_HAVE_UNDERSCORE
#endif
/* we should probably consider factoring this out into ml-unixdep.h -- JHR */
#ifdef GLOBALS_HAVE_UNDERSCORE
# define CSYM(ID) CONCAT(_,ID)
#else
# define CSYM(ID) ID
#endif
#if defined(HOST_SPARC)
# if defined(OPSYS_SUNOS)
# include <machine/asm_linkage.h>
# include <machine/trap.h>
# undef ENTRY
# elif defined(OPSYS_SOLARIS)
# define _ASM
# include <sys/stack.h>
# include <sys/trap.h>
# endif
# define CGLOBAL(ID) .global CSYM(ID)
# define LABEL(ID) ID:
# define ALIGN4 .align 4
# define WORD(W) .word W
# if defined(OPSYS_NEXTSTEP)
# define TEXT .text
# define DATA .data
# else
# define TEXT .seg "text"
# define DATA .seg "data"
# endif
# define BEGIN_PROC(P)
# define END_PROC(P)
#elif defined(HOST_MIPS)
# if defined(OPSYS_MACH)
# include <mips/regdef.h>
# elif defined(OPSYS_IRIX5)
# define _MIPS_SIM 1 /* IRIX 5.x needs this in <regdef.h> */
# include <regdef.h>
# else
# include <regdef.h>
# endif
# define CGLOBAL(ID) .globl CSYM(ID)
# define LABEL(ID) ID:
# define ALIGN4 .align 2
# define WORD(W) .word W
# define TEXT .text
# define DATA .data
# define BEGIN_PROC(P) .ent CSYM(P)
# define END_PROC(P) .end CSYM(P)
#elif defined(HOST_ALPHA32)
# if defined(OPSYS_LINUX)
# include <alpha/regdef.h>
# else
# include <regdef.h>
# endif
# define CGLOBAL(ID) .globl CSYM(ID)
# define LABEL(ID) ID:
# define ALIGN4 .align 2
# define WORD(W) .word W
# define TEXT .text
# define DATA .data
# define BEGIN_PROC(P) .align 3; .ent CSYM(P)
# define END_PROC(P) .end CSYM(P)
#elif defined(HOST_HPPA)
# define CGLOBAL(ID) .export ID,DATA
# define LABEL(ID) .label ID
# define ALIGN4 .align 8
# define BEGIN_PROC(P)
# define END_PROC(P)
# define __SC__ !
#elif (defined(HOST_RS6000) || defined(HOST_PPC))
# if defined(OPSYS_AIX)
# define CFUNSYM(ID) CONCAT(.,ID)
# define USE_TOC
# if defined(HOST_RS6000)
# define GLOBAL(ID) .globl CSYM(ID)
# endif
# define CGLOBAL(ID) .globl CSYM(ID)
# define TEXT .csect [PR]
# define DATA .csect [RW]
# define RO_DATA .csect [RO]
# define ALIGN4 .align 2
# define ALIGN8 .align 3
# define DOUBLE(V) .double V
# define LABEL(ID) ID:
# elif (defined(OPSYS_LINUX) && defined(TARGET_PPC))
# define CFUNSYM(ID) ID
# define CGLOBAL(ID) .globl CSYM(ID)
# define TEXT .section ".text"
# define DATA .section ".data"
# define RO_DATA .section ".rodata"
# define ALIGN4 .align 2
# define ALIGN8 .align 3
# define DOUBLE(V) .double V
# define LABEL(ID) ID:
# elif (defined(OPSYS_DARWIN) && defined(TARGET_PPC))
# define CFUNSYM(ID) CSYM(ID)
# define CGLOBAL(ID) .globl CSYM(ID)
# define TEXT .text
# define DATA .data
# define RO_DATA .data
# define ALIGN4 .align 2
# define ALIGN8 .align 3
# define DOUBLE(V) .double V
# define LABEL(ID) ID:
# define __SC__ @
# endif
# define CENTRY(ID) \
.globl CFUNSYM(ID) __SC__ \
LABEL(CFUNSYM(ID))
#elif defined(HOST_X86)
# if defined(OPSYS_WIN32)
# include "x86-masm.h"
# define WORD(W) WORD32(W)
# else
# define CGLOBAL(ID) GLOBAL CSYM(ID)
# define LABEL(ID) ID:
# define IMMED(ID) $ID
# define ALIGN4 .align 2
# define WORD(W) .word W
# define TEXT .text
# define DATA .data
# define BEGIN_PROC(P) .ent P
# define END_PROC(P) .end P
# endif
#else
# error missing asm definitions
#endif
#ifndef __SC__
# define __SC__ ;
#endif
#define ENTRY(ID) \
CGLOBAL(ID) __SC__ \
LABEL(CSYM(ID))
#define ML_CODE_HDR(name) \
CGLOBAL(name) __SC__ \
ALIGN4 __SC__ \
LABEL(CSYM(name))
#endif /* !_ASM_BASE_ */
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