NetBoot/vasm-1/vasm.h
2020-06-20 09:33:04 +08:00

332 lines
8.3 KiB
C

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