diff options
Diffstat (limited to 'include/coff/arm.h')
| -rw-r--r-- | include/coff/arm.h | 222 |
1 files changed, 22 insertions, 200 deletions
diff --git a/include/coff/arm.h b/include/coff/arm.h index 7ca93299ad8..77830ca1f9a 100644 --- a/include/coff/arm.h +++ b/include/coff/arm.h @@ -1,5 +1,5 @@ /* ARM COFF support for BFD. - Copyright (C) 1998, 1999 Free Software Foundation, Inc. + Copyright 1998, 1999, 2000 Free Software Foundation, Inc. This file is part of BFD, the Binary File Descriptor library. @@ -19,33 +19,23 @@ #define COFFARM 1 -/********************** FILE HEADER **********************/ - -struct external_filehdr -{ - char f_magic[2]; /* magic number */ - char f_nscns[2]; /* number of sections */ - char f_timdat[4]; /* time & date stamp */ - char f_symptr[4]; /* file pointer to symtab */ - char f_nsyms[4]; /* number of symtab entries */ - char f_opthdr[2]; /* sizeof(optional hdr) */ - char f_flags[2]; /* flags */ -}; +#define L_LNNO_SIZE 2 +#define INCLUDE_COMDAT_FIELDS_IN_AUXENT +#include "coff/external.h" /* Bits for f_flags: - * F_RELFLG relocation info stripped from file - * F_EXEC file is executable (no unresolved external references) - * F_LNNO line numbers stripped from file - * F_LSYMS local symbols stripped from file - * F_INTERWORK file supports switching between ARM and Thumb instruction sets - * F_INTERWORK_SET the F_INTERWORK bit is valid - * F_APCS_FLOAT code passes float arguments in float registers - * F_PIC code is reentrant/position-independent - * F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax) - * F_APCS_26 file uses 26 bit ARM Procedure Calling Standard - * F_APCS_SET the F_APCS_26, F_APCS_FLOAT and F_PIC bits have been initialised - * F_SOFT_FLOAT code does not use floating point instructions - */ + F_RELFLG relocation info stripped from file + F_EXEC file is executable (no unresolved external references) + F_LNNO line numbers stripped from file + F_LSYMS local symbols stripped from file + F_INTERWORK file supports switching between ARM and Thumb instruction sets + F_INTERWORK_SET the F_INTERWORK bit is valid + F_APCS_FLOAT code passes float arguments in float registers + F_PIC code is reentrant/position-independent + F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax) + F_APCS_26 file uses 26 bit ARM Procedure Calling Standard + F_APCS_SET the F_APCS_26, F_APCS_FLOAT and F_PIC bits have been initialised + F_SOFT_FLOAT code does not use floating point instructions. */ #define F_RELFLG (0x0001) #define F_EXEC (0x0002) @@ -77,13 +67,12 @@ struct external_filehdr #define F_ARM_5 (0x4c00) /* - * ARMMAGIC ought to encoded the procesor type, - * but it is too late to change it now, instead - * the flags field of the internal_f structure - * is used as shown above. - * - * XXX - NC 5/6/97 - */ + ARMMAGIC ought to encoded the procesor type, + but it is too late to change it now, instead + the flags field of the internal_f structure + is used as shown above. + + XXX - NC 5/6/97. */ #define ARMMAGIC 0xa00 /* I just made this up */ @@ -95,36 +84,11 @@ struct external_filehdr #undef ARMBADMAG #define ARMBADMAG(x) (((x).f_magic != ARMMAGIC) && ((x).f_magic != ARMPEMAGIC) && ((x).f_magic != THUMBPEMAGIC)) -#define FILHDR struct external_filehdr -#define FILHSZ 20 - - -/********************** AOUT "OPTIONAL HEADER" **********************/ - - -typedef struct -{ - char magic[2]; /* type of file */ - char vstamp[2]; /* version stamp */ - char tsize[4]; /* text size in bytes, padded to FW bdry*/ - char dsize[4]; /* initialized data " " */ - char bsize[4]; /* uninitialized data " " */ - char entry[4]; /* entry pt. */ - char text_start[4]; /* base of text used for this file */ - char data_start[4]; /* base of data used for this file */ -} -AOUTHDR; - - -#define AOUTSZ 28 -#define AOUTHDRSZ 28 - #define OMAGIC 0404 /* object files, eg as output */ #define ZMAGIC 0413 /* demand load format, eg normal ld output */ #define STMAGIC 0401 /* target shlib */ #define SHMAGIC 0443 /* host shlib */ - /* define some NT default values */ /* #define NT_IMAGE_BASE 0x400000 moved to internal.h */ #define NT_SECTION_ALIGNMENT 0x1000 @@ -132,151 +96,9 @@ AOUTHDR; #define NT_DEF_RESERVE 0x100000 #define NT_DEF_COMMIT 0x1000 -/********************** SECTION HEADER **********************/ -struct external_scnhdr -{ - char s_name[8]; /* section name */ - char s_paddr[4]; /* physical address, aliased s_nlib */ - char s_vaddr[4]; /* virtual address */ - char s_size[4]; /* section size */ - char s_scnptr[4]; /* file ptr to raw data for section */ - char s_relptr[4]; /* file ptr to relocation */ - char s_lnnoptr[4]; /* file ptr to line numbers */ - char s_nreloc[2]; /* number of relocation entries */ - char s_nlnno[2]; /* number of line number entries*/ - char s_flags[4]; /* flags */ -}; - -#define SCNHDR struct external_scnhdr -#define SCNHSZ 40 - -/* - * names of "special" sections - */ -#define _TEXT ".text" -#define _DATA ".data" -#define _BSS ".bss" -#define _COMMENT ".comment" -#define _LIB ".lib" - /* We use the .rdata section to hold read only data. */ #define _LIT ".rdata" -/********************** LINE NUMBERS **********************/ - -/* 1 line number entry for every "breakpointable" source line in a section. - * Line numbers are grouped on a per function basis; first entry in a function - * grouping will have l_lnno = 0 and in place of physical address will be the - * symbol table index of the function name. - */ -struct external_lineno -{ - union - { - char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/ - char l_paddr[4]; /* (physical) address of line number */ - } l_addr; - char l_lnno[2]; /* line number */ -}; - - -#define LINENO struct external_lineno -#define LINESZ 6 - - -/********************** SYMBOLS **********************/ - -#define E_SYMNMLEN 8 /* # characters in a symbol name */ -#define E_FILNMLEN 14 /* # characters in a file name */ -#define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ - -struct external_syment -{ - union - { - char e_name[E_SYMNMLEN]; - struct - { - char e_zeroes[4]; - char e_offset[4]; - } e; - } e; - char e_value[4]; - char e_scnum[2]; - char e_type[2]; - char e_sclass[1]; - char e_numaux[1]; -}; - -#define N_BTMASK (0xf) -#define N_TMASK (0x30) -#define N_BTSHFT (4) -#define N_TSHIFT (2) - -union external_auxent -{ - struct - { - char x_tagndx[4]; /* str, un, or enum tag indx */ - union - { - struct - { - char x_lnno[2]; /* declaration line number */ - char x_size[2]; /* str/union/array size */ - } x_lnsz; - char x_fsize[4]; /* size of function */ - } x_misc; - union - { - struct /* if ISFCN, tag, or .bb */ - { - char x_lnnoptr[4]; /* ptr to fcn line # */ - char x_endndx[4]; /* entry ndx past block end */ - } x_fcn; - struct /* if ISARY, up to 4 dimen. */ - { - char x_dimen[E_DIMNUM][2]; - } x_ary; - } x_fcnary; - char x_tvndx[2]; /* tv index */ - } x_sym; - - union - { - char x_fname[E_FILNMLEN]; - struct - { - char x_zeroes[4]; - char x_offset[4]; - } x_n; - } x_file; - - struct - { - char x_scnlen[4]; /* section length */ - char x_nreloc[2]; /* # relocation entries */ - char x_nlinno[2]; /* # line numbers */ - char x_checksum[4]; /* section COMDAT checksum */ - char x_associated[2]; /* COMDAT associated section index */ - char x_comdat[1]; /* COMDAT selection number */ - } x_scn; - - struct - { - char x_tvfill[4]; /* tv fill value */ - char x_tvlen[2]; /* length of .tv */ - char x_tvran[2][2]; /* tv range */ - } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ -}; - -#define SYMENT struct external_syment -#define SYMESZ 18 -#define AUXENT union external_auxent -#define AUXESZ 18 - -#define _ETEXT "etext" - /********************** RELOCATION DIRECTIVES **********************/ #ifdef ARM_WINCE struct external_reloc |