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/* $OpenBSD: aicasm_symbol.h,v 1.5 2002/03/19 21:07:25 millert Exp $ */
/*
* Aic7xxx SCSI host adapter firmware asssembler symbol table definitions
*
* Copyright (c) 1997 Justin T. Gibbs.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: src/sys/dev/aic7xxx/aicasm_symbol.h,v 1.6 1999/12/06 18:23:31 gibbs Exp $
*/
#include <sys/queue.h>
typedef enum {
UNINITIALIZED,
REGISTER,
ALIAS,
SCBLOC,
SRAMLOC,
MASK,
BIT,
CONST,
DOWNLOAD_CONST,
LABEL,
CONDITIONAL
}symtype;
typedef enum {
RO = 0x01,
WO = 0x02,
RW = 0x03
}amode_t;
struct reg_info {
u_int8_t address;
int size;
amode_t mode;
u_int8_t valid_bitmask;
int typecheck_masks;
};
typedef SLIST_HEAD(symlist, symbol_node) symlist_t;
struct mask_info {
symlist_t symrefs;
u_int8_t mask;
};
struct const_info {
u_int8_t value;
int define;
};
struct alias_info {
struct symbol *parent;
};
struct label_info {
int address;
};
struct cond_info {
int func_num;
};
typedef struct expression_info {
symlist_t referenced_syms;
int value;
} expression_t;
typedef struct symbol {
char *name;
symtype type;
union {
struct reg_info *rinfo;
struct mask_info *minfo;
struct const_info *cinfo;
struct alias_info *ainfo;
struct label_info *linfo;
struct cond_info *condinfo;
}info;
} symbol_t;
typedef struct symbol_ref {
symbol_t *symbol;
int offset;
} symbol_ref_t;
typedef struct symbol_node {
SLIST_ENTRY(symbol_node) links;
symbol_t *symbol;
}symbol_node_t;
typedef enum {
SCOPE_ROOT,
SCOPE_IF,
SCOPE_ELSE_IF,
SCOPE_ELSE
} scope_type;
typedef struct patch_info {
int skip_patch;
int skip_instr;
} patch_info_t;
typedef struct scope {
SLIST_ENTRY(scope) scope_stack_links;
TAILQ_ENTRY(scope) scope_links;
TAILQ_HEAD(, scope) inner_scope;
scope_type type;
int inner_scope_patches;
int begin_addr;
int end_addr;
patch_info_t patches[2];
int func_num;
} scope_t;
SLIST_HEAD(scope_list, scope);
TAILQ_HEAD(scope_tailq, scope);
void symbol_delete(symbol_t *symbol);
void symtable_open(void);
void symtable_close(void);
symbol_t *
symtable_get(char *name);
symbol_node_t *
symlist_search(symlist_t *symlist, char *symname);
void
symlist_add(symlist_t *symlist, symbol_t *symbol, int how);
#define SYMLIST_INSERT_HEAD 0x00
#define SYMLIST_SORT 0x01
void symlist_free(symlist_t *symlist);
void symlist_merge(symlist_t *symlist_dest, symlist_t *symlist_src1,
symlist_t *symlist_src2);
void symtable_dump(FILE *ofile);
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