/*------------------------------------------------------------------------- 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 #include #include #include # ifndef __cplusplus # include # 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 /* 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 */ }; /* 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