output/stabs.h

   1 /* ----------------------------------------------------------------------- *
   2  *
   3  *   Copyright 1996-2018 The NASM Authors - All Rights Reserved
   4  *   See the file AUTHORS included with the NASM distribution for
   5  *   the specific copyright holders.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following
   9  *   conditions are met:
  10  *
  11  *   * Redistributions of source code must retain the above copyright
  12  *     notice, this list of conditions and the following disclaimer.
  13  *   * Redistributions in binary form must reproduce the above
  14  *     copyright notice, this list of conditions and the following
  15  *     disclaimer in the documentation and/or other materials provided
  16  *     with the distribution.
  17  *
  18  *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  19  *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  20  *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  21  *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  22  *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  23  *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  25  *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  26  *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  29  *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  30  *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  * ----------------------------------------------------------------------- */
  33
  34 #ifndef STABS_H_
  35 #define STABS_H_
  36
  37 #include "nctype.h"
  38
  39 #include "compiler.h"
  40 #include "nasmlib.h"
  41 #include "nasm.h"
  42
  43 /* offsets */
  44 enum stab_offsets {
  45         STAB_strdxoff   = 0,
  46         STAB_typeoff    = 4,
  47         STAB_otheroff   = 5,
  48         STAB_descoff    = 6,
  49         STAB_valoff     = 8,
  50         STAB_stabsize   = 12
  51 };
  52
  53 /* stab/non-stab types */
  54 enum stab_types {
  55         N_UNDF          = 0x00, /* Undefined symbol */
  56         N_EXT           = 0x01, /* External symbol */
  57         N_ABS           = 0x02, /* Absolute symbol */
  58         N_ABS_EXT       = 0x03, /* Absolute external symbol */
  59         N_TEXT          = 0x04, /* Symbol in text segment */
  60         N_TEXT_EXT      = 0x05, /* Symbol in external text segment */
  61         N_DATA          = 0x06,
  62         N_DATA_EXT      = 0x07,
  63         N_BSS           = 0x08,
  64         N_BSS_EXT       = 0x09,
  65         N_INDR          = 0x0a,
  66         N_FN_SEQ        = 0x0c, /* N_FN from Sequent compilers */
  67         N_WEAKU         = 0x0d, /* Weak undefined symbol */
  68         N_WEAKA         = 0x0e, /* Weak absolute symbl */
  69         N_WEAKT         = 0x0f, /* Weak text symbol */
  70         N_WEAKD         = 0x10, /* Weak data symbol */
  71         N_WEAKB         = 0x11, /* Weak bss symbol */
  72         N_COMM          = 0x12, /* Common symbol */
  73         N_SETA          = 0x14, /* Absolute set element symbol */
  74         N_SETA_EXT      = 0x15,
  75         N_SETT          = 0x16, /* Text set element symbol */
  76         N_SETT_EXT      = 0x17,
  77         N_SETD          = 0x18, /* Data set element symbol */
  78         N_SETD_EXT      = 0x19,
  79         N_SETB          = 0x1a, /* BSS set element symbol */
  80         N_SETB_EXT      = 0x1b,
  81         N_SETV          = 0x1c, /* Pointer to set vector in data area */
  82         N_SETV_EXT      = 0x1d,
  83         N_WARNING       = 0x1e, /* Warning symbol */
  84         N_FN            = 0x1f, /* Filename of .o file */
  85         N_GSYM          = 0x20, /* Global variable */
  86         N_FNAME         = 0x22, /* Function name for BSD Fortran */
  87         N_FUN           = 0x24, /* Function name or text segment variable for C */
  88         N_STSYM         = 0x26, /* Data-segment variable with internal linkage */
  89         N_LCSYM         = 0x28, /* BSS-segment variable with internal linkage */
  90         N_MAIN          = 0x2a, /* Name of main routine */
  91         N_ROSYM         = 0x2c, /* Read-only data symbols */
  92         N_BNSYM         = 0x2e, /* The beginning of a relocatable function block */
  93         N_PC            = 0x30, /* Global symbol in Pascal */
  94         N_NSYMS         = 0x32, /* Number of symbols */
  95         N_NOMAP         = 0x34, /* No DST map for sym */
  96         N_OBJ           = 0x38, /* Like N_SO, but for the object file */
  97         N_OPT           = 0x3c, /* Options for the debugger */
  98         N_RSYM          = 0x40, /* Register variable */
  99         N_M2C           = 0x42, /* Modula-2 compilation unit */
 100         N_SLINE         = 0x44, /* Line number in text segment */
 101         N_DSLINE        = 0x46, /* Line number in data segment */
 102         N_BSLINE        = 0x48, /* Line number in bss segment */
 103         N_BROWS         = 0x48, /* Sun's source-code browser stabs */
 104         N_DEFD          = 0x4a, /* GNU Modula-2 definition module dependency */
 105         N_FLINE         = 0x4c, /* Function start/body/end line numbers */
 106         N_ENSYM         = 0x4e, /* This tells the end of a relocatable function */
 107         N_EHDECL        = 0x50, /* GNU C++ exception variable */
 108         N_MOD2          = 0x50, /* Modula2 info "for imc" */
 109         N_CATCH         = 0x54, /* GNU C++ `catch' clause */
 110         N_SSYM          = 0x60, /* Structure or union element */
 111         N_ENDM          = 0x62, /* Last stab emitted for module */
 112         N_SO            = 0x64, /* ID for main source file */
 113         N_OSO           = 0x66, /* Apple: This is the stab that associated the .o file  */
 114         N_ALIAS         = 0x6c, /* SunPro F77: Name of alias */
 115         N_LSYM          = 0x80, /* Automatic variable in the stack */
 116         N_BINCL         = 0x82, /* Beginning of an include file */
 117         N_SOL           = 0x84, /* ID for sub-source file */
 118         N_PSYM          = 0xa0, /* Parameter variable */
 119         N_EINCL         = 0xa2, /* End of an include file */
 120         N_ENTRY         = 0xa4, /* Alternate entry point */
 121         N_LBRAC         = 0xc0, /* Beginning of lexical block */
 122         N_EXCL          = 0xc2, /* Place holder for deleted include file */
 123         N_SCOPE         = 0xc4, /* Modula-2 scope information */
 124         N_PATCH         = 0xd0, /* Solaris2: Patch Run Time Checker */
 125         N_RBRAC         = 0xe0, /* End of a lexical block */
 126         N_BCOMM         = 0xe2, /* Begin named common block */
 127         N_ECOMM         = 0xe4, /* End named common block */
 128         N_ECOML         = 0xe8, /* Member of a common block */
 129         N_WITH          = 0xea, /* Solaris2: Pascal "with" statement */
 130         N_NBTEXT        = 0xf0,
 131         N_NBDATA        = 0xf2,
 132         N_NBBSS         = 0xf4,
 133         N_NBSTS         = 0xf6,
 134         N_NBLCS         = 0xf8,
 135         N_LENG          = 0xfe  /* Second symbol entry whih a length-value for the preceding entry */
 136 };
 137
 138 enum stab_source_file {
 139         N_SO_AS         = 0x01,
 140         N_SO_C          = 0x02,
 141         N_SO_ANSI_C     = 0x03,
 142         N_SO_CC         = 0x04,
 143         N_SO_FORTRAN    = 0x05,
 144         N_SO_PASCAL     = 0x06,
 145         N_SO_FORTRAN90  = 0x07,
 146         N_SO_OBJC       = 0x32,
 147         N_SO_OBJCPLUS   = 0x33
 148 };
 149
 150 #endif /* STABS_H_ */