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sdcc-gas/src/SDCCglobl.h

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/*-------------------------------------------------------------------------
SDCCglobl.h - global macros etc required by all files
Copyright (C) 1998, Sandeep Dutta . sandeep.dutta@usa.net
This program 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 2, or (at your option) any
later version.
This program 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 this program; if not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-------------------------------------------------------------------------*/
#ifndef SDCCGLOBL_H
#define SDCCGLOBL_H
#include <memory.h>
#include <stdlib.h>
#include <setjmp.h>
#include <stdio.h>
# ifndef __cplusplus
# include <stdbool.h>
# endif
# ifndef TRUE
# define TRUE true
# endif
# ifndef FALSE
# define FALSE false
# endif
#include "SDCCset.h"
/*
* Define host port dependant constants etc.
*/
#define UNIX_DIR_SEPARATOR_CHAR '/'
#if defined(__BORLANDC__) || defined(_MSC_VER)
# define STRCASECMP stricmp
# define STRNCASECMP strnicmp
#else
# define STRCASECMP strcasecmp
# define STRNCASECMP strncasecmp
#endif
#if defined(__MSDOS__) || defined(_WIN32) || defined(__OS2__) || defined (__CYGWIN__)
# ifndef HAVE_DOS_BASED_FILE_SYSTEM
# define HAVE_DOS_BASED_FILE_SYSTEM 1
# endif
# define IS_DIR_SEPARATOR(c) ((c) == DIR_SEPARATOR_CHAR || (c) == UNIX_DIR_SEPARATOR_CHAR)
/* Note that IS_ABSOLUTE_PATH accepts d:foo as well, although it is
only semi-absolute. This is because the users of IS_ABSOLUTE_PATH
want to know whether to prepend the current working directory to
a file name, which should not be done with a name like d:foo. */
# define IS_ABSOLUTE_PATH(f) (IS_DIR_SEPARATOR((f)[0]) || (((f)[0]) && ((f)[1] == ':')))
# define FILENAME_CMP(s1, s2) STRCASECMP(s1, s2)
#else /* not DOSish */
# define IS_DIR_SEPARATOR(c) ((c) == DIR_SEPARATOR_CHAR)
# define IS_ABSOLUTE_PATH(f) (IS_DIR_SEPARATOR((f)[0]))
# define FILENAME_CMP(s1, s2) strcmp(s1, s2)
#endif /* not DOSish */
#ifdef WIN32
# define NATIVE_WIN32 1
# ifndef __MINGW32__
# define PATH_MAX _MAX_PATH
# endif
#endif
#ifdef HAVE_CONFIG_H
# include "config.h"
#elif defined(_WIN32) && !defined(__MINGW32__)
# include "sdcc_vc.h"
#else
# include "sdccconf.h"
#endif
#include "SDCCerr.h"
#define SPACE ' '
#include <limits.h> /* PATH_MAX */
#if !defined(PATH_MAX) || (PATH_MAX < 2048)
# undef PATH_MAX
# define PATH_MAX 2048 /* define a reasonable value */
#endif
#define MAX_REG_PARMS 1
/* C++ doesn't like min and max macros */
#ifndef __cplusplus
# ifndef max
# define max(a,b) (a > b ? a : b)
# endif
# ifndef min
# define min(a,b) (a < b ? a : b)
# endif
#endif /* __cplusplus */
#ifndef THROWS
# define THROWS
# define THROW_NONE 0
# define THROW_SRC 1
# define THROW_DEST 2
# define THROW_BOTH 3
#endif
/* sizes in bytes */
#define BOOLSIZE port->s.char_size
#define CHARSIZE port->s.char_size
#define SHORTSIZE port->s.short_size
#define INTSIZE port->s.int_size
#define LONGSIZE port->s.long_size
#define LONGLONGSIZE port->s.longlong_size
#define NEARPTRSIZE port->s.near_ptr_size
#define FARPTRSIZE port->s.far_ptr_size
#define GPTRSIZE port->s.ptr_size
#define FUNCPTRSIZE port->s.funcptr_size
#define BFUNCPTRSIZE port->s.banked_funcptr_size
#define BITSIZE port->s.bit_size
#define FLOATSIZE port->s.float_size
#define INITIAL_INLINEASM (4 * 1024)
#define DEFPOOLSTACK(type,size) \
type *type##Pool ; \
type *type##FreeStack [size] ; \
int type##StackPtr = 0 ;
#define PUSH(x,y) x##FreeStack[x##StackPtr++] = y
#define PEEK(x) x##FreeStack[x##StackPtr - 1]
#define POP(type) type##FreeStack[--type##StackPtr]
/* #define POP(x) (x##StackPtr ? x##FreeStack[--x##StackPtr] : \
(assert(x##StackPtr),0)) */
#ifdef UNIX
#define EMPTY(x) (x##StackPtr <= 1 ? 1 : 0)
#else
#define EMPTY(x) (x##StackPtr == 0 ? 1 : 0)
#endif
#define COPYTYPE(start,end,from) (end = getSpec (start = from))
/* general purpose stack related macros */
#define STACK_DCL(stack, type, size) \
typedef type t_##stack; \
t_##stack stack[size]; \
t_##stack (*p_##stack) = stack - 1;
#define STACK_EMPTY(stack) ((p_##stack) < stack)
#define STACK_FULL(stack) ((p_##stack) >= (stack + \
sizeof(stack) / sizeof(*stack) - 1) )
#define STACK_PUSH_(stack, x) (*++p_##stack = (x))
#define STACK_POP_(stack) (*p_##stack--)
#define STACK_PUSH(stack, x) (STACK_FULL(stack) \
? (STACK_ERR(1, stack), *p_##stack) \
: STACK_PUSH_(stack,x) )
#define STACK_POP(stack) (STACK_EMPTY(stack) \
? (STACK_ERR(-1, stack), *stack) \
: STACK_POP_(stack) )
#define STACK_PEEK(stack) (STACK_EMPTY(stack) \
? (STACK_ERR(0, stack), *stack) \
: *p_##stack )
#define STACK_ERR(o, stack) (fatal(1, E_STACK_VIOLATION, #stack, \
(o < 0) \
? "underflow" \
: (o > 0) \
? "overflow" \
: "empty"))
/* for semantically partitioned nest level values */
#define LEVEL_UNIT 65536
#define SUBLEVEL_UNIT 1
/* optimization options */
struct optimize
{
int global_cse;
int ptrArithmetic;
int label1;
int label2;
int label3;
int label4;
int loopInvariant;
int loopInduction;
int noLoopReverse;
int codeSpeed;
int codeSize;
int lospre;
int allow_unsafe_read;
int noStdLibCall;
};
/** Build model.
Used in options.model.A bit each as port.supported_models is an OR
of these.
*/
enum
{
NO_MODEL = 0, /* no model applicable */
MODEL_SMALL = 1,
MODEL_COMPACT = 2,
MODEL_MEDIUM = 4,
MODEL_LARGE = 8,
MODEL_FLAT24 = 16,
// MODEL_PAGE0 = 32, /* disabled, was for the xa51 port */
MODEL_HUGE = 64 /* for banked support */
};
/* overlay segment name and the functions
that belong to it. used by pragma overlay */
typedef struct {
char *osname; /* overlay segment name */
int nfuncs; /* number of functions in this overlay */
char *funcs[128]; /* function name that belong to this */
} olay;
enum
{
NO_DEPENDENCY_FILE_OPT = 0,
SYSTEM_DEPENDENCY_FILE_OPT = 1,
USER_DEPENDENCY_FILE_OPT = 2
};
/* other command line options */
/*
* cloneOptions function in SDCC.lex should be updated every time
* a new set is added to the options structure!
*/
struct options
{
int model; /* see MODEL_* defines above */
int stackAuto; /* Stack Automatic */
int useXstack; /* use Xternal Stack */
int stack10bit; /* use 10 bit stack (flat24 model only) */
int dump_ast; /* dump front-end tree before lowering to iCode */
int dump_i_code; /* dump iCode at various stages */
int dump_graphs; /* Dump graphs in .dot format (control-flow, conflict, etc) */
int cc_only; /* compile only flag */
int intlong_rent; /* integer & long support routines reentrant */
int float_rent; /* floating point routines are reentrant */
int out_fmt; /* 0 = undefined, 'i' = intel Hex format, 's' = motorola S19 format, 'E' = elf format, 'Z' = gb format */
int cyclomatic; /* print cyclomatic information */
int noOverlay; /* don't overlay local variables & parameters */
int xram_movc; /* use movc instead of movx to read xram (mcs51) */
int nopeep; /* no peep hole optimization */
int asmpeep; /* pass inline assembler thru peep hole */
int peepReturn; /* enable peephole optimization for return instructions */
int debug; /* generate extra debug info */
int c1mode; /* Act like c1 - no pre-proc, asm or link */
char *peep_file; /* additional rules for peep hole */
int nostdlib; /* Don't use standard lib files */
int nostdinc; /* Don't use standard include files */
int noRegParams; /* Disable passing some parameters in registers */
int verbose; /* Show what the compiler is doing */
int lessPedantic; /* disable some warnings */
int profile; /* Turn on extra profiling information */
int omitFramePtr; /* Turn off the frame pointer. */
int useAccelerator; /* use ds390 Arithmetic Accelerator */
int noiv; /* do not generate irq vector table entries */
int all_callee_saves; /* callee saves for all functions */
int stack_probe; /* insert call to function __stack_probe */
int tini_libid; /* library ID for TINI */
int protect_sp_update; /* DS390 - will disable interrupts during ESP:SP updates */
int parms_in_bank1; /* DS390 - use reg bank1 to pass parameters */
int stack_size; /* MCS51/DS390 - Tells the linker to allocate this space for stack */
int no_pack_iram; /* MCS51/DS390 - Deprecated: Tells the linker not to pack variables in internal ram */
int acall_ajmp; /* MCS51 - Use acall/ajmp instead of lcall/ljmp */
int no_ret_without_call; /* MCS51 - Do not use ret independent of acall/lcall */
int use_non_free; /* Search / include non-free licensed libraries and header files */
/* starting address of the segments */
int xstack_loc; /* initial location of external stack */
int stack_loc; /* initial value of internal stack pointer */
int xdata_loc; /* xternal ram starts at address */
int data_loc; /* interram start location */
int idata_loc; /* indirect address space */
int code_loc; /* code location start */
int iram_size; /* internal ram size (used only for error checking) */
int xram_size; /* external ram size (used only for error checking) */
bool xram_size_set; /* since xram_size=0 is a possibility */
int code_size; /* code size (used only for error checking) */
int verboseExec; /* show what we are doing */
int noXinitOpt; /* don't optimize initialized xdata */
int noCcodeInAsm; /* hide c-code from asm */
int iCodeInAsm; /* show i-code in asm */
int noPeepComments; /* hide peephole optimizer comments */
int verboseAsm; /* include comments generated with gen.c */
int printSearchDirs; /* display the directories in the compiler's search path */
int vc_err_style; /* errors and warnings are compatible with Micro$oft visual studio */
int use_stdout; /* send errors to stdout instead of stderr */
int no_std_crt0; /* for the z80/gbz80 do not link default crt0.o*/
int std_c95; /* enable C95 keywords/constructs */
int std_c99; /* enable C99 keywords/constructs */
int std_c11; /* enable C11 keywords/constructs */
int std_c2x; /* enable C2X keywords/constructs */
int std_sdcc; /* enable SDCC extensions to C */
int dollars_in_ident; /* zero means dollar signs are punctuation */
int signed_char; /* use signed for char without signed/unsigned modifier */
char *code_seg; /* segment name to use instead of CSEG */
char *const_seg; /* segment name to use instead of CONST */
char *data_seg; /* segment name to use instead of DATA */
int dependencyFileOpt; /* write dependencies to given file */
/* sets */
set *calleeSavesSet; /* list of functions using callee save */
set *excludeRegsSet; /* registers excluded from saving */
/* set *olaysSet; * not implemented yet: overlay segments used in #pragma OVERLAY */
int max_allocs_per_node; /* Maximum number of allocations / combinations considered at each node in the tree-decomposition based algorithms */
bool noOptsdccInAsm; /* Do not emit .optsdcc in asm */
bool oldralloc; /* Use old register allocator */
int gasOutput; /* Output assembly in GNU as format */
int function_sections; /* Place each function into a separate section. Useful for link-time dead code elimination. */
int data_sections; /* Place each static variable into a separate section. Useful for link-time dead code elimination. */
};
/* forward definition for variables accessed globally */
extern int noAssemble; /* no assembly, stop after code generation */
extern char *yytext;
extern char *lexFilename; /* lex idea of current file name */
extern int lexLineno; /* lex idea of line number of the current file */
extern const char *fullSrcFileName; /* full name for the source file; */
/* can be NULL while linking without compiling */
extern const char *fullDstFileName; /* full name for the output file; */
/* only given by -o, otherwise NULL */
extern const char *dstFileName; /* destination file name without extension */
extern const char *moduleName; /* module name is source file without path and extension */
/* can be NULL while linking without compiling */
extern int seqPointNo; /* current sequence point */
extern FILE *yyin; /* */
extern FILE *asmFile; /* assembly output file */
extern FILE *cdbFile; /* debugger symbol file */
extern long NestLevel; /* NestLevel SDCC.y */
extern int stackPtr; /* stack pointer SDCC.y */
extern int xstackPtr; /* external stack pointer SDCC.y */
extern int reentrant; /* /X flag has been sent SDCC.y */
extern char buffer[PATH_MAX * 2];/* general buffer SDCCmain.c */
extern int currRegBank; /* register bank being used SDCCgens.c */
extern int RegBankUsed[4]; /* JCF: register banks used SDCCmain.c */
extern int BitBankUsed; /* MB: overlayable bit bank SDCCmain.c */
extern struct symbol *currFunc; /* current function SDCCgens.c */
extern long cNestLevel; /* block nest level SDCCval.c */
extern int blockNo; /* maximum sequential block number */
extern int currBlockno; /* sequential block number */
extern struct optimize optimize;
extern struct options options;
extern unsigned maxInterrupts;
extern int ignoreTypedefType;
/* Visible from SDCCmain.c */
extern set *preArgvSet;
extern set *relFilesSet;
extern set *libFilesSet;
extern set *libPathsSet;
extern set *libDirsSet; /* list of lib search directories */
void setParseWithComma (set **, const char *);
/** An assert() macro that will go out through sdcc's error
system.
*/
#define wassertl(a,s) (void)((a) ? 0 : \
(werror (E_INTERNAL_ERROR, __FILE__, __LINE__, s), 0))
#define wassert(a) wassertl(a,"code generator internal error")
enum {
DUMP_RAW0 = 1,
DUMP_RAW1,
DUMP_CSE,
DUMP_DFLOW,
DUMP_GCSE,
DUMP_DEADCODE,
DUMP_LOOP,
DUMP_LOOPG,
DUMP_LOOPD,
DUMP_RANGE,
DUMP_PACK,
DUMP_RASSGN,
DUMP_LRANGE,
DUMP_LOSPRE,
DUMP_CUSTOM /* For temporary dump points */
};
struct _dumpFiles {
int id;
char *ext;
FILE *filePtr;
};
extern struct _dumpFiles dumpFiles[];
/* Define well known filenos if the system does not define them. */
#ifndef STDIN_FILENO
# define STDIN_FILENO 0
#endif
#ifndef STDOUT_FILENO
# define STDOUT_FILENO 1
#endif
#ifndef STDERR_FILENO
# define STDERR_FILENO 2
#endif
#endif
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