diff options
Diffstat (limited to 'nasm.h')
| -rw-r--r-- | nasm.h | 186 |
1 files changed, 164 insertions, 22 deletions
@@ -12,8 +12,8 @@ #define NASM_NASM_H #define NASM_MAJOR_VER 0 -#define NASM_MINOR_VER 97 -#define NASM_VER "0.97" +#define NASM_MINOR_VER 98 +#define NASM_VER "0.98 pre-release J4" #ifndef NULL #define NULL 0 @@ -72,9 +72,6 @@ typedef void (*efunc) (int severity, char *fmt, ...); #define ERR_MASK 0x0F /* mask off the above codes */ #define ERR_NOFILE 0x10 /* don't give source file name/line */ #define ERR_USAGE 0x20 /* print a usage message */ -#define ERR_OFFBY1 0x40 /* report error as being on the line - * we're just _about_ to read, not - * the one we've just read */ #define ERR_PASS1 0x80 /* only print this error on pass one */ /* @@ -205,6 +202,12 @@ enum { /* token types, other than chars */ TOKEN_FLOAT /* floating-point constant */ }; +typedef struct { + long segment; + long offset; + int known; +} loc_t; + /* * Expression-evaluator datatype. Expressions, within the * evaluator, are stored as an array of these beasts, terminated by @@ -261,13 +264,6 @@ typedef expr *(*evalfunc) (scanner sc, void *scprivate, struct tokenval *tv, struct eval_hints *hints); /* - * There's also an auxiliary routine through which the evaluator - * needs to hear about the value of $ and the label (if any) - * defined on the current line. - */ -typedef void (*evalinfofunc) (char *labelname, long segment, long offset); - -/* * Special values for expr->type. ASSUMPTION MADE HERE: the number * of distinct register names (i.e. possible "type" fields for an * expr structure) does not exceed 124 (EXPR_REG_START through @@ -311,11 +307,13 @@ typedef struct { * ---------------------------------------------------------------- */ -/* isidstart matches any character that may start an identifier, and isidchar +/* + * isidstart matches any character that may start an identifier, and isidchar * matches any character that may appear at places other than the start of an * identifier. E.g. a period may only appear at the start of an identifier * (for local labels), whereas a number may appear anywhere *but* at the - * start. */ + * start. + */ #define isidstart(c) ( isalpha(c) || (c)=='_' || (c)=='.' || (c)=='?' \ || (c)=='@' ) @@ -439,7 +437,9 @@ enum { /* instruction names */ I_FCMOVBE, I_FCMOVE, I_FCMOVNB, I_FCMOVNBE, I_FCMOVNE, I_FCMOVNU, I_FCMOVU, I_FCOM, I_FCOMI, I_FCOMIP, I_FCOMP, I_FCOMPP, I_FCOS, I_FDECSTP, I_FDISI, I_FDIV, I_FDIVP, I_FDIVR, - I_FDIVRP, I_FENI, I_FFREE, I_FIADD, I_FICOM, I_FICOMP, I_FIDIV, + I_FDIVRP, + I_FEMMS, + I_FENI, I_FFREE, I_FIADD, I_FICOM, I_FICOMP, I_FIDIV, I_FIDIVR, I_FILD, I_FIMUL, I_FINCSTP, I_FINIT, I_FIST, I_FISTP, I_FISUB, I_FISUBR, I_FLD, I_FLD1, I_FLDCW, I_FLDENV, I_FLDL2E, I_FLDL2T, I_FLDLG2, I_FLDLN2, I_FLDPI, I_FLDZ, I_FMUL, I_FMULP, @@ -451,7 +451,7 @@ enum { /* instruction names */ I_FUCOMI, I_FUCOMIP, I_FUCOMP, I_FUCOMPP, I_FXAM, I_FXCH, I_FXTRACT, I_FYL2X, I_FYL2XP1, I_HLT, I_IBTS, I_ICEBP, I_IDIV, I_IMUL, I_IN, I_INC, I_INCBIN, I_INSB, I_INSD, I_INSW, I_INT, - I_INT1, I_INT01, I_INT3, I_INTO, I_INVD, I_INVLPG, I_IRET, + I_INT01, I_INT1, I_INT3, I_INTO, I_INVD, I_INVLPG, I_IRET, I_IRETD, I_IRETW, I_JCXZ, I_JECXZ, I_JMP, I_LAHF, I_LAR, I_LDS, I_LEA, I_LEAVE, I_LES, I_LFS, I_LGDT, I_LGS, I_LIDT, I_LLDT, I_LMSW, I_LOADALL, I_LOADALL286, I_LODSB, I_LODSD, I_LODSW, @@ -460,12 +460,18 @@ enum { /* instruction names */ I_MOVSX, I_MOVZX, I_MUL, I_NEG, I_NOP, I_NOT, I_OR, I_OUT, I_OUTSB, I_OUTSD, I_OUTSW, I_PACKSSDW, I_PACKSSWB, I_PACKUSWB, I_PADDB, I_PADDD, I_PADDSB, I_PADDSIW, I_PADDSW, I_PADDUSB, - I_PADDUSW, I_PADDW, I_PAND, I_PANDN, I_PAVEB, I_PCMPEQB, + I_PADDUSW, I_PADDW, I_PAND, I_PANDN, I_PAVEB, + I_PAVGUSB, I_PCMPEQB, I_PCMPEQD, I_PCMPEQW, I_PCMPGTB, I_PCMPGTD, I_PCMPGTW, - I_PDISTIB, I_PMACHRIW, I_PMADDWD, I_PMAGW, I_PMULHRW, - I_PMULHRIW, I_PMULHW, I_PMULLW, I_PMVGEZB, I_PMVLZB, I_PMVNZB, + I_PDISTIB, + I_PF2ID, I_PFACC, I_PFADD, I_PFCMPEQ, I_PFCMPGE, I_PFCMPGT, + I_PFMAX, I_PFMIN, I_PFMUL, I_PFRCP, I_PFRCPIT1, I_PFRCPIT2, + I_PFRSQIT1, I_PFRSQRT, I_PFSUB, I_PFSUBR, I_PI2FD, + I_PMACHRIW, I_PMADDWD, I_PMAGW, I_PMULHRIW, I_PMULHRWA, + I_PMULHRWC, I_PMULHW, I_PMULLW, I_PMVGEZB, I_PMVLZB, I_PMVNZB, I_PMVZB, I_POP, I_POPA, I_POPAD, I_POPAW, I_POPF, I_POPFD, - I_POPFW, I_POR, I_PSLLD, I_PSLLQ, I_PSLLW, I_PSRAD, I_PSRAW, + I_POPFW, I_POR, I_PREFETCH, I_PREFETCHW, + I_PSLLD, I_PSLLQ, I_PSLLW, I_PSRAD, I_PSRAW, I_PSRLD, I_PSRLQ, I_PSRLW, I_PSUBB, I_PSUBD, I_PSUBSB, I_PSUBSIW, I_PSUBSW, I_PSUBUSB, I_PSUBUSW, I_PSUBW, I_PUNPCKHBW, I_PUNPCKHDQ, I_PUNPCKHWD, I_PUNPCKLBW, I_PUNPCKLDQ, I_PUNPCKLWD, @@ -480,6 +486,8 @@ enum { /* instruction names */ I_XOR, I_CMOVcc, I_Jcc, I_SETcc }; +#define MAX_KEYWORD 9 /* max length of any instruction, register name etc. */ + enum { /* condition code names */ C_A, C_AE, C_B, C_BE, C_C, C_E, C_G, C_GE, C_L, C_LE, C_NA, C_NAE, C_NB, C_NBE, C_NC, C_NE, C_NG, C_NGE, C_NL, C_NLE, C_NO, C_NP, @@ -522,8 +530,12 @@ typedef struct { /* operand to an instruction */ long offset; /* any immediate number */ long wrt; /* segment base it's relative to */ int eaflags; /* special EA flags */ + int opflags; /* see OPFLAG_* defines below */ } operand; +#define OPFLAG_FORWARD 1 /* operand is a forward reference */ +#define OPFLAG_EXTERN 2 /* operand is an external reference */ + typedef struct extop { /* extended operand */ struct extop *next; /* linked list */ long type; /* defined above */ @@ -542,13 +554,16 @@ typedef struct { /* an instruction itself */ int nprefix; /* number of entries in above */ int opcode; /* the opcode - not just the string */ int condition; /* the condition code, if Jcc/SETcc */ - int operands; /* how many operands? 0-3 */ + int operands; /* how many operands? 0-3 + * (more if db et al) */ operand oprs[3]; /* the operands, defined as above */ extop *eops; /* extended operands */ + int eops_float; /* true if DD and floating */ long times; /* repeat count (TIMES prefix) */ int forw_ref; /* is there a forward reference? */ } insn; +enum geninfo { GI_SWITCH }; /* * ------------------------------------------------------------ * The data structure defining an output format driver, and the @@ -569,6 +584,27 @@ struct ofmt { char *shortname; /* + * this is reserved for out module specific help. + * It is set to NULL in all the out modules but is not implemented + * in the main program + */ + char *helpstring; + + /* + * this is a pointer to the first element of the debug information + */ + struct dfmt **debug_formats; + + /* + * and a pointer to the element that is being used + * note: this is set to the default at compile time and changed if the + * -F option is selected. If developing a set of new debug formats for + * an output format, be sure to set this to whatever default you want + * + */ + struct dfmt *current_dfmt; + + /* * This, if non-NULL, is a NULL-terminated list of `char *'s * pointing to extra standard macros supplied by the object * format (e.g. a sensible initial default value of __SECT__, @@ -587,6 +623,15 @@ struct ofmt { void (*init) (FILE *fp, efunc error, ldfunc ldef, evalfunc eval); /* + * This procedure is called to pass generic information to the + * object file. The first parameter gives the information type + * (currently only command line switches) + * and the second parameter gives the value. This function returns + * 1 if recognized, 0 if unrecognized + */ + int (*setinfo)(enum geninfo type, char **string); + + /* * This procedure is called by assemble() to write actual * generated code or data to the object file. Typically it * doesn't have to actually _write_ it, just store it for @@ -705,7 +750,7 @@ struct ofmt { * One thing the cleanup routine should always do is to close * the output file pointer. */ - void (*cleanup) (void); + void (*cleanup) (int debuginfo); }; /* @@ -735,6 +780,103 @@ struct ofmt { #define OUT_SIZMASK 0x0FFFFFFFUL /* + * ------------------------------------------------------------ + * The data structure defining a debug format driver, and the + * interfaces to the functions therein. + * ------------------------------------------------------------ + */ + +struct dfmt { + + /* + * This is a short (one-liner) description of the type of + * output generated by the driver. + */ + char *fullname; + + /* + * This is a single keyword used to select the driver. + */ + char *shortname; + + + /* + * init - called initially to set up local pointer to object format, + * void pointer to implementation defined data, file pointer (which + * probably won't be used, but who knows?), and error function. + */ + void (*init) (struct ofmt * of, void * id, FILE * fp, efunc error); + + /* + * linenum - called any time there is output with a change of + * line number or file. + */ + void (*linenum) (const char * filename, long linenumber, long segto); + + /* + * debug_deflabel - called whenever a label is defined. Parameters + * are the same as to 'symdef()' in the output format. This function + * would be called before the output format version. + */ + + void (*debug_deflabel) (char * name, long segment, long offset, + int is_global, char * special); + /* + * debug_directive - called whenever a DEBUG directive other than 'LINE' + * is encountered. 'directive' contains the first parameter to the + * DEBUG directive, and params contains the rest. For example, + * 'DEBUG VAR _somevar:int' would translate to a call to this + * function with 'directive' equal to "VAR" and 'params' equal to + * "_somevar:int". + */ + void (*debug_directive) (const char * directive, const char * params); + + /* + * typevalue - called whenever the assembler wishes to register a type + * for the last defined label. This routine MUST detect if a type was + * already registered and not re-register it. + */ + void (*debug_typevalue) (long type); + + /* + * debug_output - called whenever output is required + * 'type' is the type of info required, and this is format-specific + */ + void (*debug_output) (int type, void *param); + + /* + * cleanup - called after processing of file is complete + */ + void (*cleanup) (void); + +}; +/* + * The type definition macros + * for debugging + * + * low 3 bits: reserved + * next 5 bits: type + * next 24 bits: number of elements for arrays (0 for labels) + */ + +#define TY_UNKNOWN 0x00 +#define TY_LABEL 0x08 +#define TY_BYTE 0x10 +#define TY_WORD 0x18 +#define TY_DWORD 0x20 +#define TY_FLOAT 0x28 +#define TY_QWORD 0x30 +#define TY_TBYTE 0x38 +#define TY_COMMON 0xE0 +#define TY_SEG 0xE8 +#define TY_EXTERN 0xF0 +#define TY_EQU 0xF8 + +#define TYM_TYPE(x) ((x) & 0xF8) +#define TYM_ELEMENTS(x) (((x) & 0xFFFFFF00) >> 8) + +#define TYS_ELEMENTS(x) ((x) << 8) +/* * ----- * Other * ----- |