mirror of
https://github.com/elliotnunn/NetBoot.git
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332 lines
8.3 KiB
C
332 lines
8.3 KiB
C
/* vasm.h main header file for vasm */
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/* (c) in 2002-2020 by Volker Barthelmann */
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#include <stdlib.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <limits.h>
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typedef struct symbol symbol;
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typedef struct section section;
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typedef struct dblock dblock;
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typedef struct sblock sblock;
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typedef struct expr expr;
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typedef struct macro macro;
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typedef struct source source;
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typedef struct listing listing;
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typedef struct regsym regsym;
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#define MAXPADBYTES 8 /* max. pattern size to pad alignments */
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#include "cpu.h"
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#include "symbol.h"
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#include "reloc.h"
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#include "syntax.h"
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#include "symtab.h"
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#include "expr.h"
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#include "parse.h"
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#include "atom.h"
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#include "cond.h"
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#include "supp.h"
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#if defined(BIGENDIAN)&&!defined(LITTLEENDIAN)
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#define LITTLEENDIAN (!BIGENDIAN)
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#endif
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#if !defined(BIGENDIAN)&&defined(LITTLEENDIAN)
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#define BIGENDIAN (!LITTLEENDIAN)
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#endif
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#ifndef MNEMONIC_VALID
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#define MNEMONIC_VALID(i) 1
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#endif
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#ifndef OPERAND_OPTIONAL
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#define OPERAND_OPTIONAL(p,t) 0
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#endif
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#ifndef START_PARENTH
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#define START_PARENTH(x) ((x)=='(')
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#endif
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#ifndef END_PARENTH
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#define END_PARENTH(x) ((x)==')')
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#endif
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#ifndef CHKIDEND
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#define CHKIDEND(s,e) (e)
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#endif
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#define MAXPATHLEN 1024
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/* operations on bit-vectors */
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typedef unsigned int bvtype;
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#define BVBITS (sizeof(bvtype)*CHAR_BIT)
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#define BVSIZE(x) ((((x)+BVBITS-1)/BVBITS)*sizeof(bvtype))
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#define BSET(array,bit) (array)[(bit)/BVBITS]|=1<<((bit)%BVBITS)
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#define BCLR(array,bit) (array)[(bit)/BVBITS]&=~(1<<((bit)%BVBITS))
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#define BTST(array,bit) ((array)[(bit)/BVBITS]&(1<<((bit)%BVBITS)))
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/* include paths */
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struct include_path {
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struct include_path *next;
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char *path;
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int compdir_based;
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};
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/* source files */
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struct source_file {
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struct source_file *next;
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struct include_path *incpath;
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int index;
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char *name;
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char *text;
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size_t size;
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};
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/* source texts (main file, include files or macros) */
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struct source {
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struct source *parent;
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int parent_line;
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struct source_file *srcfile;
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char *name;
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char *text;
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size_t size;
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struct source *defsrc;
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int defline;
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macro *macro;
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unsigned long repeat;
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char *irpname;
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struct macarg *irpvals;
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int cond_level;
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struct macarg *argnames;
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int num_params;
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char *param[MAXMACPARAMS+1];
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int param_len[MAXMACPARAMS+1];
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#if MAX_QUALIFIERS > 0
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int num_quals;
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char *qual[MAX_QUALIFIERS];
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int qual_len[MAX_QUALIFIERS];
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#endif
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unsigned long id;
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char *srcptr;
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int line;
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size_t bufsize;
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char *linebuf;
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#ifdef CARGSYM
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expr *cargexp;
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#endif
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#ifdef REPTNSYM
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long reptn;
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#endif
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};
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/* section flags */
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#define HAS_SYMBOLS 1
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#define RESOLVE_WARN 2
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#define UNALLOCATED 4
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#define LABELS_ARE_LOCAL 8
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#define ABSOLUTE 16
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#define PREVABS 32 /* saved ABSOLUTE-flag during RORG-block */
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#define IN_RORG 64
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#define NEAR_ADDRESSING 128
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#define SECRSRVD (1L<<24) /* bits 24..31 are reserved for output modules */
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/* section description */
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struct section {
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struct section *next;
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bvtype *deps;
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char *name;
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char *attr;
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atom *first;
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atom *last;
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taddr align;
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uint8_t pad[MAXPADBYTES];
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int padbytes;
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uint32_t flags;
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uint32_t memattr; /* type of memory, used by some object formats */
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taddr org;
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taddr pc;
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unsigned long idx; /* usable by output module */
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};
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/* mnemonic description */
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typedef struct mnemonic {
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char *name;
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#if MAX_OPERANDS!=0
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int operand_type[MAX_OPERANDS];
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#endif
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mnemonic_extension ext;
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} mnemonic;
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/* operand size flags (ORed with size in bits) */
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#define OPSZ_BITS(x) ((x) & 0xff)
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#define OPSZ_FLOAT 0x100 /* operand stored as floating point */
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#define OPSZ_SWAP 0x200 /* operand stored with swapped bytes */
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/* listing table */
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#define MAXLISTSRC 120
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struct listing {
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listing *next;
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source *src;
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int line;
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int error;
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atom *atom;
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section *sec;
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taddr pc;
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char txt[MAXLISTSRC];
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};
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extern listing *first_listing,*last_listing,*cur_listing;
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extern int done,final_pass,nostdout;
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extern int warn_unalloc_ini_dat;
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extern int listena,listformfeed,listlinesperpage,listnosyms;
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extern int mnemonic_cnt;
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extern int nocase,no_symbols,pic_check,exec_out,chklabels;
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extern int secname_attr,unnamed_sections;
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extern taddr inst_alignment;
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extern hashtable *mnemohash;
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extern source *cur_src;
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extern section *current_section;
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extern char *filename;
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extern char *debug_filename; /* usually an absolute C source file name */
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extern char *inname,*outname,*listname,*compile_dir;
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extern char *output_format;
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extern char emptystr[];
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extern char vasmsym_name[];
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extern int num_secs;
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extern unsigned long long taddrmask;
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#define ULLTADDR(x) (((unsigned long long)x)&taddrmask)
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extern taddr taddrmin,taddrmax;
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/* provided by main assembler module */
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extern int debug;
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void leave(void);
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void set_default_output_format(char *);
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FILE *locate_file(char *,char *,struct include_path **);
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source *include_source(char *);
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source *new_source(char *,struct source_file *,char *,size_t);
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void end_source(source *);
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void set_section(section *);
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section *new_section(char *,char *,int);
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section *new_org(taddr);
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section *find_section(char *,char *);
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void switch_section(char *,char *);
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void switch_offset_section(char *,taddr);
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void add_align(section *,taddr,expr *,int,unsigned char *);
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section *default_section(void);
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#if NOT_NEEDED
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section *restore_section(void);
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section *restore_org(void);
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#endif
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int end_rorg(void);
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void try_end_rorg(void);
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void start_rorg(taddr);
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void print_section(FILE *,section *);
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struct include_path *new_include_path(char *);
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void set_listing(int);
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void set_list_title(char *,int);
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void write_listing(char *);
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#define setfilename(x) filename=(x)
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#define getfilename() filename
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#define setdebugname(x) debug_filename=(x)
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#define getdebugname() debug_filename
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/* provided by error.c */
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extern int errors,warnings;
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extern int max_errors;
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extern int no_warn;
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void general_error(int,...);
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void syntax_error(int,...);
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void cpu_error(int,...);
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void output_error(int,...);
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void output_atom_error(int,atom *,...);
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void modify_gen_err(int,...);
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void modify_syntax_err(int,...);
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void modify_cpu_err(int,...);
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void disable_warning(int);
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#define ierror(x) general_error(4,(x),__LINE__,__FILE__)
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/* provided by cpu.c */
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extern int bitsperbyte;
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extern int bytespertaddr;
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extern mnemonic mnemonics[];
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extern char *cpu_copyright;
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extern char *cpuname;
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extern int debug;
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int init_cpu();
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int cpu_args(char *);
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char *parse_cpu_special(char *);
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operand *new_operand();
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int parse_operand(char *text,int len,operand *out,int requires);
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#define PO_SKIP 2
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#define PO_MATCH 1
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#define PO_NOMATCH 0
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#define PO_CORRUPT -1
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size_t instruction_size(instruction *,section *,taddr);
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dblock *eval_instruction(instruction *,section *,taddr);
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dblock *eval_data(operand *,size_t,section *,taddr);
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#if HAVE_INSTRUCTION_EXTENSION
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void init_instruction_ext(instruction_ext *);
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#endif
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#if MAX_QUALIFIERS!=0
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char *parse_instruction(char *,int *,char **,int *,int *);
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int set_default_qualifiers(char **,int *);
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#endif
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#if HAVE_CPU_OPTS
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void cpu_opts_init(section *);
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void cpu_opts(void *);
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void print_cpu_opts(FILE *,void *);
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#endif
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/* provided by syntax.c */
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extern char *syntax_copyright;
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extern char commentchar;
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extern hashtable *dirhash;
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extern char *defsectname;
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extern char *defsecttype;
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int init_syntax();
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int syntax_args(char *);
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void parse(void);
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char *parse_macro_arg(struct macro *,char *,struct namelen *,struct namelen *);
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int expand_macro(source *,char **,char *,int);
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char *skip(char *);
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char *skip_operand(char *);
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void eol(char *);
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char *const_prefix(char *,int *);
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char *const_suffix(char *,char *);
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char *get_local_label(char **);
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/* provided by output_xxx.c */
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#ifdef OUTTOS
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extern int tos_hisoft_dri;
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#endif
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#ifdef OUTHUNK
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extern int hunk_onlyglobal;
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#endif
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int init_output_test(char **,void (**)(FILE *,section *,symbol *),int (**)(char *));
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int init_output_elf(char **,void (**)(FILE *,section *,symbol *),int (**)(char *));
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int init_output_bin(char **,void (**)(FILE *,section *,symbol *),int (**)(char *));
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int init_output_srec(char **,void (**)(FILE *,section *,symbol *),int (**)(char *));
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int init_output_vobj(char **,void (**)(FILE *,section *,symbol *),int (**)(char *));
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int init_output_hunk(char **,void (**)(FILE *,section *,symbol *),int (**)(char *));
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int init_output_aout(char **,void (**)(FILE *,section *,symbol *),int (**)(char *));
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int init_output_tos(char **,void (**)(FILE *,section *,symbol *),int (**)(char *));
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int init_output_xfile(char **,void (**)(FILE *,section *,symbol *),int (**)(char *));
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