LWTools Old Repo: lwasm/lwasm.h annotate

annotate lwasm/lwasm.h @ 431:d7d7e4dca3e7

Eliminated infinite loop on recursive symbol resolution with a Q&D hack: limit the depth that lw_expr_simplify can be called to globally. Not thread friendly.

author	lost@l-w.ca
date	Sun, 24 Oct 2010 20:05:15 -0600
parents	4b137a8cf32a
children	a9521955554f

rev	line source
323 473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	1 /*
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	2 lwasm.h
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	3
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	4 Copyright © 2010 William Astle
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	5
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	6 This file is part of LWTOOLS.
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	7
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	8 LWTOOLS is free software: you can redistribute it and/or modify it under the
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	9 terms of the GNU General Public License as published by the Free Software
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	10 Foundation, either version 3 of the License, or (at your option) any later
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	11 version.
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	12
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	13 This program is distributed in the hope that it will be useful, but WITHOUT
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	16 more details.
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	17
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	18 You should have received a copy of the GNU General Public License along with
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	19 this program. If not, see <http://www.gnu.org/licenses/>.
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	20 */
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	21
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	22 #ifndef ___lwasm_h_seen___
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	23 #define ___lwasm_h_seen___
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	24
337 04c80c51b16a Checkpoint development lost parents: 330 diff changeset	25 #include <lw_expr.h>
324 be63116281b0 Created lwlib folder and added first bits to it lost parents: 323 diff changeset	26 #include <lw_stringlist.h>
329 c15cca3ae6a2 Created first pass of input layer lost parents: 325 diff changeset	27 #include <lw_stack.h>
324 be63116281b0 Created lwlib folder and added first bits to it lost parents: 323 diff changeset	28
346 a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	29
a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	30 // these are allowed chars BELOW 0x80 for symbols
a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	31 // first is symbol start chars, second is anywhere in symbol
a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	32 #define SSYMCHARS "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_@$"
a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	33 #define SYMCHARS SSYMCHARS ".?0123456789"
a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	34
a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	35 typedef struct asmstate_s asmstate_t;
a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	36
337 04c80c51b16a Checkpoint development lost parents: 330 diff changeset	37 enum
04c80c51b16a Checkpoint development lost parents: 330 diff changeset	38 {
346 a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	39 lwasm_expr_linelen = 1, // length of ref'd line
a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	40 lwasm_expr_lineaddr = 2, // addr of ref'd line
a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	41 lwasm_expr_nextbp = 3, // next branch point
363 d96c30e60ddf Added pass2 and various supporting logic including symbol lookups lost@starbug parents: 361 diff changeset	42 lwasm_expr_prevbp = 4, // previous branch point
d96c30e60ddf Added pass2 and various supporting logic including symbol lookups lost@starbug parents: 361 diff changeset	43 lwasm_expr_syment = 5, // symbol table entry
367 34dfc9747f23 Reduction passes complete lost@starbug parents: 363 diff changeset	44 lwasm_expr_import = 6, // symbol import entry
34dfc9747f23 Reduction passes complete lost@starbug parents: 363 diff changeset	45 lwasm_expr_secbase = 7 // section base address
337 04c80c51b16a Checkpoint development lost parents: 330 diff changeset	46 };
04c80c51b16a Checkpoint development lost parents: 330 diff changeset	47
323 473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	48 enum lwasm_output_e
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	49 {
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	50 OUTPUT_DECB = 0, // DECB multirecord format
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	51 OUTPUT_RAW, // raw sequence of bytes
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	52 OUTPUT_OBJ, // proprietary object file format
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	53 OUTPUT_RAWREL, // raw bytes where ORG causes a SEEK in the file
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	54 OUTPUT_OS9 // os9 module target
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	55 };
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	56
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	57 enum lwasm_target_e
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	58 {
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	59 TARGET_6309 = 0, // target 6309 CPU
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	60 TARGET_6809 // target 6809 CPU (no 6309 ops)
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	61 };
473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	62
325 619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	63 enum lwasm_flags_e
619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	64 {
619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	65 FLAG_LIST = 0x0001,
390 027d7fbcdcfc Basic symbol table output; needs work for non-constant symbols lost@l-w.ca parents: 389 diff changeset	66 FLAG_DEPEND = 0x0002,
027d7fbcdcfc Basic symbol table output; needs work for non-constant symbols lost@l-w.ca parents: 389 diff changeset	67 FLAG_SYMBOLS = 0x004,
027d7fbcdcfc Basic symbol table output; needs work for non-constant symbols lost@l-w.ca parents: 389 diff changeset	68 FLAG_NONE = 0
325 619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	69 };
619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	70
619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	71 enum lwasm_pragmas_e
619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	72 {
619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	73 PRAGMA_NONE = 0, // no pragmas in effect
619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	74 PRAGMA_DOLLARNOTLOCAL = 0x0001, // dollar sign does not make a symbol local
619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	75 PRAGMA_NOINDEX0TONONE = 0x0002, // do not change implicit 0,R to ,R
619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	76 PRAGMA_UNDEFEXTERN = 0x0004, // undefined symbols are considered to be external
619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	77 PRAGMA_CESCAPES = 0x0008, // allow C style escapes in fcc, fcs, fcn, etc.
619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	78 PRAGMA_IMPORTUNDEFEXPORT = 0x0010 // imports symbol if undefined upon export
619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	79 };
619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	80
354 60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	81
60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	82 enum
60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	83 {
60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	84 section_flag_bss = 1, // BSS section
60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	85 section_flag_none = 0 // no flags
60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	86 };
60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	87
374 d99322ef6f21 Stage 1: actually do output lost@starbug parents: 372 diff changeset	88 typedef struct reloctab_s reloctab_t;
d99322ef6f21 Stage 1: actually do output lost@starbug parents: 372 diff changeset	89 struct reloctab_s
d99322ef6f21 Stage 1: actually do output lost@starbug parents: 372 diff changeset	90 {
376 91c0fe026940 Output incomplete references in object target lost@starbug parents: 375 diff changeset	91 lw_expr_t offset; // offset of relocation
374 d99322ef6f21 Stage 1: actually do output lost@starbug parents: 372 diff changeset	92 int size; // size of relocation
376 91c0fe026940 Output incomplete references in object target lost@starbug parents: 375 diff changeset	93 lw_expr_t expr; // relocation expression
374 d99322ef6f21 Stage 1: actually do output lost@starbug parents: 372 diff changeset	94 reloctab_t *next;
d99322ef6f21 Stage 1: actually do output lost@starbug parents: 372 diff changeset	95 };
d99322ef6f21 Stage 1: actually do output lost@starbug parents: 372 diff changeset	96
354 60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	97 typedef struct sectiontab_s sectiontab_t;
60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	98 struct sectiontab_s
60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	99 {
60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	100 char *name; // section name
60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	101 int flags; // section flags;
60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	102 lw_expr_t offset; // offset for next instance
374 d99322ef6f21 Stage 1: actually do output lost@starbug parents: 372 diff changeset	103 int oblen; // size of section output
d99322ef6f21 Stage 1: actually do output lost@starbug parents: 372 diff changeset	104 int obsize; // size of output buffer
d99322ef6f21 Stage 1: actually do output lost@starbug parents: 372 diff changeset	105 unsigned char *obytes; // output buffer
d99322ef6f21 Stage 1: actually do output lost@starbug parents: 372 diff changeset	106 reloctab_t *reloctab; // table of relocations
354 60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	107 sectiontab_t *next;
60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	108 };
60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	109
344 0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	110 typedef struct lwasm_error_s lwasm_error_t;
0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	111 struct lwasm_error_s
0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	112 {
0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	113 char *mess; // actual error message
0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	114 lwasm_error_t *next; // ptr to next error
0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	115 };
0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	116
347 1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	117 struct line_expr_s
1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	118 {
1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	119 lw_expr_t expr;
1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	120 int id;
1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	121 struct line_expr_s *next;
1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	122 };
1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	123
363 d96c30e60ddf Added pass2 and various supporting logic including symbol lookups lost@starbug parents: 361 diff changeset	124 typedef struct line_s line_t;
d96c30e60ddf Added pass2 and various supporting logic including symbol lookups lost@starbug parents: 361 diff changeset	125
356 7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	126 typedef struct exportlist_s exportlist_t;
7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	127 struct exportlist_s
7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	128 {
7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	129 char *symbol; // symbol to export
374 d99322ef6f21 Stage 1: actually do output lost@starbug parents: 372 diff changeset	130 struct symtabe *se; // symbol table entry
363 d96c30e60ddf Added pass2 and various supporting logic including symbol lookups lost@starbug parents: 361 diff changeset	131 line_t *line; // line the export is on
356 7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	132 exportlist_t *next; // next in the export list
7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	133 };
7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	134
7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	135 typedef struct importlist_s importlist_t;
7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	136 struct importlist_s
7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	137 {
7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	138 char *symbol; // symbol to import
7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	139 importlist_t *next; // next in the import list
7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	140 };
7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	141
337 04c80c51b16a Checkpoint development lost parents: 330 diff changeset	142 struct line_s
04c80c51b16a Checkpoint development lost parents: 330 diff changeset	143 {
04c80c51b16a Checkpoint development lost parents: 330 diff changeset	144 lw_expr_t addr; // assembly address of the line
04c80c51b16a Checkpoint development lost parents: 330 diff changeset	145 int len; // the "size" this line occupies (address space wise) (-1 if unknown)
04c80c51b16a Checkpoint development lost parents: 330 diff changeset	146 int insn; // number of insn in insn table
342 7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	147 int symset; // set if the line symbol was consumed by the instruction
340 1a6fc6ebb31c Checkpoint lost parents: 337 diff changeset	148 char *sym; // symbol, if any, on the line
346 a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	149 unsigned char *output; // output bytes
a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	150 int outputl; // size of output
a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	151 int outputbl; // size of output buffer
351 4dba8c7e242c conditional pseudo ops added lost@starbug parents: 349 diff changeset	152 int dpval; // direct page value
344 0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	153 lwasm_error_t *err; // list of errors
351 4dba8c7e242c conditional pseudo ops added lost@starbug parents: 349 diff changeset	154 lwasm_error_t *warn; // list of errors
344 0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	155 line_t *prev; // previous line
0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	156 line_t *next; // next line
354 60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	157 int inmod; // inside a module?
60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	158 sectiontab_t *csect; // which section are we in?
347 1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	159 struct line_expr_s *exprs; // expressions used during parsing
349 dcd2978a7d18 More pseudo ops lost@starbug parents: 347 diff changeset	160 char *lstr; // string passed forward
357 0cf4948d53b4 Checkpoint - adding actual cpu instructions lost@starbug parents: 356 diff changeset	161 int pb; // pass forward post byte
0cf4948d53b4 Checkpoint - adding actual cpu instructions lost@starbug parents: 356 diff changeset	162 int lint; // pass forward integer
361 105393e31f20 Generic memory mode insns lost@starbug parents: 360 diff changeset	163 int lint2; // another pass forward integer
346 a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	164 asmstate_t *as; // assembler state data ptr
360 7d91ab7ac7d6 Indexed stage 2; set line structure to track pragmas in effect for that line lost@starbug parents: 359 diff changeset	165 int pragmas; // pragmas in effect for the line
363 d96c30e60ddf Added pass2 and various supporting logic including symbol lookups lost@starbug parents: 361 diff changeset	166 int context; // the symbol context number
382 eacdae8a1575 Various bugfixes lost@starbug parents: 376 diff changeset	167 char *ltext; // line number
383 848d3cca8078 Fixed imm8 to actually use expression and also fixed gen mode to respect > and < lost@starbug parents: 382 diff changeset	168 char *linespec; // line spec
848d3cca8078 Fixed imm8 to actually use expression and also fixed gen mode to respect > and < lost@starbug parents: 382 diff changeset	169 int lineno; // line number
389 fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	170 int soff; // struct offset (for listings)
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	171 int dshow; // data value to show (for listings)
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	172 int dsize; // set to 1 for 8 bit dshow value
418 4b137a8cf32a Implemented "branch points" lost@l-w.ca parents: 390 diff changeset	173 int isbrpt; // set to 1 if this line is a branch point
389 fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	174 struct symtabe *dptr; // symbol value to display
337 04c80c51b16a Checkpoint development lost parents: 330 diff changeset	175 };
04c80c51b16a Checkpoint development lost parents: 330 diff changeset	176
342 7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	177 enum
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	178 {
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	179 symbol_flag_set = 1, // symbol was used with "set"
389 fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	180 symbol_flag_nocheck = 2, // do not check symbol characters
342 7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	181 symbol_flag_none = 0 // no flags
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	182 };
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	183
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	184 struct symtabe
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	185 {
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	186 char *symbol; // the name of the symbol
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	187 int context; // symbol context (-1 for global)
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	188 int version; // version of the symbol (for "set")
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	189 int flags; // flags for the symbol
374 d99322ef6f21 Stage 1: actually do output lost@starbug parents: 372 diff changeset	190 sectiontab_t *section; // section the symbol is defined in
342 7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	191 lw_expr_t value; // symbol value
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	192 struct symtabe *next; // next symbol in the table
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	193 };
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	194
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	195 typedef struct
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	196 {
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	197 struct symtabe *head; // start of symbol table
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	198 } symtab_t;
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	199
345 7416c3f9c321 Basic macro processor ported forward; added context break handling for local symbols lost@starbug parents: 344 diff changeset	200 typedef struct macrotab_s macrotab_t;
7416c3f9c321 Basic macro processor ported forward; added context break handling for local symbols lost@starbug parents: 344 diff changeset	201 struct macrotab_s
7416c3f9c321 Basic macro processor ported forward; added context break handling for local symbols lost@starbug parents: 344 diff changeset	202 {
7416c3f9c321 Basic macro processor ported forward; added context break handling for local symbols lost@starbug parents: 344 diff changeset	203 char *name; // name of macro
7416c3f9c321 Basic macro processor ported forward; added context break handling for local symbols lost@starbug parents: 344 diff changeset	204 char **lines; // macro lines
7416c3f9c321 Basic macro processor ported forward; added context break handling for local symbols lost@starbug parents: 344 diff changeset	205 int numlines; // number lines in macro
7416c3f9c321 Basic macro processor ported forward; added context break handling for local symbols lost@starbug parents: 344 diff changeset	206 macrotab_t *next; // next macro in list
7416c3f9c321 Basic macro processor ported forward; added context break handling for local symbols lost@starbug parents: 344 diff changeset	207 };
389 fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	208
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	209 typedef struct structtab_s structtab_t;
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	210 typedef struct structtab_field_s structtab_field_t;
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	211
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	212 struct structtab_field_s
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	213 {
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	214 char *name; // structure field name - NULL for anonymous
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	215 int size; // structure field size
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	216 structtab_t *substruct; // sub structure if there is one
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	217 structtab_field_t *next; // next field entry
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	218 };
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	219
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	220 struct structtab_s
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	221 {
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	222 char *name; // name of structure
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	223 int size; // number of bytes taken by struct
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	224 structtab_field_t *fields; // fields in the structure
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	225 structtab_t *next; // next structure
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	226 };
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	227
346 a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	228 struct asmstate_s
323 473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	229 {
324 be63116281b0 Created lwlib folder and added first bits to it lost parents: 323 diff changeset	230 int output_format; // output format
be63116281b0 Created lwlib folder and added first bits to it lost parents: 323 diff changeset	231 int target; // assembly target
be63116281b0 Created lwlib folder and added first bits to it lost parents: 323 diff changeset	232 int debug_level; // level of debugging requested
372 90de73ba0cac Created a useful debug framework and adjusted lw_expr_print() to return a "static" dynamic string lost@starbug parents: 367 diff changeset	233 FILE debug_file; // FILE to output debug messages to
325 619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	234 int flags; // assembly flags
619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	235 int pragmas; // pragmas currently in effect
344 0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	236 int errorcount; // number of errors encountered
345 7416c3f9c321 Basic macro processor ported forward; added context break handling for local symbols lost@starbug parents: 344 diff changeset	237 int inmacro; // are we in a macro?
389 fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	238 int instruct; // are w in a structure?
345 7416c3f9c321 Basic macro processor ported forward; added context break handling for local symbols lost@starbug parents: 344 diff changeset	239 int skipcond; // skipping a condition?
351 4dba8c7e242c conditional pseudo ops added lost@starbug parents: 349 diff changeset	240 int skipcount; // depth of "skipping"
345 7416c3f9c321 Basic macro processor ported forward; added context break handling for local symbols lost@starbug parents: 344 diff changeset	241 int skipmacro; // are we skipping in a macro?
347 1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	242 int endseen; // have we seen an "end" pseudo?
1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	243 int execaddr; // address from "end"
354 60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	244 int inmod; // inside an os9 module?
60568b123281 Added os9 opcodes and ERROR lost@starbug parents: 353 diff changeset	245 unsigned char crc[3]; // crc accumulator
363 d96c30e60ddf Added pass2 and various supporting logic including symbol lookups lost@starbug parents: 361 diff changeset	246 int badsymerr; // throw error on undef sym if set
325 619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	247
337 04c80c51b16a Checkpoint development lost parents: 330 diff changeset	248 line_t *line_head; // start of lines list
04c80c51b16a Checkpoint development lost parents: 330 diff changeset	249 line_t *line_tail; // tail of lines list
346 a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	250
a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	251 line_t *cl; // current line pointer
342 7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	252
353 faa97115952e Added SECTION/ENDSECTION lost@starbug parents: 351 diff changeset	253 sectiontab_t *csect; // current section
faa97115952e Added SECTION/ENDSECTION lost@starbug parents: 351 diff changeset	254
342 7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	255 int context; // the current "context"
345 7416c3f9c321 Basic macro processor ported forward; added context break handling for local symbols lost@starbug parents: 344 diff changeset	256 int nextcontext; // the next available context
7416c3f9c321 Basic macro processor ported forward; added context break handling for local symbols lost@starbug parents: 344 diff changeset	257
342 7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	258 symtab_t symtab; // meta data for the symbol table
345 7416c3f9c321 Basic macro processor ported forward; added context break handling for local symbols lost@starbug parents: 344 diff changeset	259 macrotab_t *macros; // macro table
353 faa97115952e Added SECTION/ENDSECTION lost@starbug parents: 351 diff changeset	260 sectiontab_t *sections; // section table
356 7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	261 exportlist_t *exportlist; // list of exported symbols
7166254491ed Finished pseudo ops lost@starbug parents: 354 diff changeset	262 importlist_t *importlist; // list of imported symbols
325 619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	263 char *list_file; // name of file to list to
619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	264 char *output_file; // output file name
324 be63116281b0 Created lwlib folder and added first bits to it lost parents: 323 diff changeset	265 lw_stringlist_t input_files; // files to assemble
330 81c005b82775 More tinkering with input subsystem lost parents: 329 diff changeset	266 void *input_data; // opaque data used by the input system
325 619fd6ad4ab9 Completed command line parsing lost parents: 324 diff changeset	267 lw_stringlist_t include_list; // include paths
329 c15cca3ae6a2 Created first pass of input layer lost parents: 325 diff changeset	268 lw_stack_t file_dir; // stack of the "current file" dir
384 38b50ce6967a Made --list and --depend work lost@starbug parents: 383 diff changeset	269 lw_stack_t includelist;
389 fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	270
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	271 structtab_t *structs; // defined structures
fbb7bfed8076 Added in structure support and fixed up some warts in the listing code (by adding more warts) lost@l-w.ca parents: 387 diff changeset	272 structtab_t *cstruct; // current structure
375 3498b2d88376 Added export list to object output lost@starbug parents: 374 diff changeset	273
3498b2d88376 Added export list to object output lost@starbug parents: 374 diff changeset	274 int exportcheck; // set if we need to collapse out the section base to 0
346 a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	275 };
323 473ed9b353eb Started framework for lwasm binary lost parents: diff changeset	276
342 7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	277 #ifndef ___symbol_c_seen___
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	278
344 0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	279 extern struct symtabe register_symbol(asmstate_t as, line_t cl, char sym, lw_expr_t value, int flags);
363 d96c30e60ddf Added pass2 and various supporting logic including symbol lookups lost@starbug parents: 361 diff changeset	280 extern struct symtabe lookup_symbol(asmstate_t as, line_t cl, char sym);
342 7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	281
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	282 #endif
7b4123dce741 Added basic symbol registration lost@starbug parents: 340 diff changeset	283
344 0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	284 #ifndef ___lwasm_c_seen___
0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	285
0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	286 extern void lwasm_register_error(asmstate_t as, line_t cl, const char *msg, ...);
351 4dba8c7e242c conditional pseudo ops added lost@starbug parents: 349 diff changeset	287 extern void lwasm_register_warning(asmstate_t as, line_t cl, const char *msg, ...);
345 7416c3f9c321 Basic macro processor ported forward; added context break handling for local symbols lost@starbug parents: 344 diff changeset	288 extern int lwasm_next_context(asmstate_t *as);
346 a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	289 extern void lwasm_emit(line_t *cl, int byte);
a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	290 extern void lwasm_emitop(line_t *cl, int opc);
344 0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	291
347 1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	292 extern void lwasm_save_expr(line_t *cl, int id, lw_expr_t expr);
1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	293 extern lw_expr_t lwasm_fetch_expr(line_t *cl, int id);
1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	294 extern lw_expr_t lwasm_parse_expr(asmstate_t as, char *p);
1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	295 extern int lwasm_emitexpr(line_t *cl, lw_expr_t expr, int s);
1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	296
1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	297 extern void skip_operand(char **p);
1649bc7bda5a Some data oriented pseudo ops added lost@starbug parents: 346 diff changeset	298
357 0cf4948d53b4 Checkpoint - adding actual cpu instructions lost@starbug parents: 356 diff changeset	299 extern int lwasm_lookupreg2(const char rlist, char *p);
359 f50a54d0293a Indexed part 1 lost@starbug parents: 357 diff changeset	300 extern int lwasm_lookupreg3(const char rlist, char *p);
357 0cf4948d53b4 Checkpoint - adding actual cpu instructions lost@starbug parents: 356 diff changeset	301
363 d96c30e60ddf Added pass2 and various supporting logic including symbol lookups lost@starbug parents: 361 diff changeset	302 extern void lwasm_show_errors(asmstate_t *as);
d96c30e60ddf Added pass2 and various supporting logic including symbol lookups lost@starbug parents: 361 diff changeset	303
d96c30e60ddf Added pass2 and various supporting logic including symbol lookups lost@starbug parents: 361 diff changeset	304 extern int lwasm_reduce_expr(asmstate_t *as, lw_expr_t expr);
d96c30e60ddf Added pass2 and various supporting logic including symbol lookups lost@starbug parents: 361 diff changeset	305
372 90de73ba0cac Created a useful debug framework and adjusted lw_expr_print() to return a "static" dynamic string lost@starbug parents: 367 diff changeset	306 extern void debug_message(asmstate_t as, int level, const char fmt, ...);
90de73ba0cac Created a useful debug framework and adjusted lw_expr_print() to return a "static" dynamic string lost@starbug parents: 367 diff changeset	307 extern void dump_state(asmstate_t *as);
90de73ba0cac Created a useful debug framework and adjusted lw_expr_print() to return a "static" dynamic string lost@starbug parents: 367 diff changeset	308
387 a741d2e4869f Various bugfixes; fixed lwobjdump to display symbols with unprintable characters more sensibly; start of a (nonfunctional for now) testing framework lost@l-w.ca parents: 384 diff changeset	309 extern lw_expr_t lwasm_parse_cond(asmstate_t as, char *p);
372 90de73ba0cac Created a useful debug framework and adjusted lw_expr_print() to return a "static" dynamic string lost@starbug parents: 367 diff changeset	310
344 0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	311 #endif
0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	312
346 a82c55070624 Added expression parsing infrastructure and misc fixes lost@starbug parents: 345 diff changeset	313 #define OPLEN(op) (((op)>0xFF)?2:1)
360 7d91ab7ac7d6 Indexed stage 2; set line structure to track pragmas in effect for that line lost@starbug parents: 359 diff changeset	314 #define CURPRAGMA(l,p) (((l)->pragmas & (p)) ? 1 : 0)
344 0215a0fbf61b Added assembly error system and additional checks for symbol syntax lost@starbug parents: 342 diff changeset	315
324 be63116281b0 Created lwlib folder and added first bits to it lost parents: 323 diff changeset	316 #endif /* ___lwasm_h_seen___ */

Mercurial > hg-old > index.cgi

annotate lwasm/lwasm.h @ 431:d7d7e4dca3e7