/* ARM COFF support for BFD.
- Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1998-2015 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#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)
#define F_APCS_26 (0x0400)
#define F_APCS_SET (0x0800)
#define F_SOFT_FLOAT (0x2000)
+#define F_VFP_FLOAT (0x4000)
/* Bits stored in flags field of the internal_f structure */
#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 */
+#define ARMMAGIC 0xa00 /* I just made this up */
#define ARMBADMAG(x) (((x).f_magic != ARMMAGIC))
-#define FILHDR struct external_filehdr
-#define FILHSZ 20
+#define ARMPEMAGIC 0x1c0
+#define THUMBPEMAGIC 0x1c2
+#define ARMV7PEMAGIC 0x1c4
-
-/********************** 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
+#undef ARMBADMAG
+#define ARMBADMAG(x) (((x).f_magic != ARMMAGIC) && ((x).f_magic != ARMPEMAGIC) && ((x).f_magic != THUMBPEMAGIC) && ((x).f_magic != ARMV7PEMAGIC))
#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
#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
+/********************** RELOCATION DIRECTIVES **********************/
+#ifdef ARM_WINCE
+struct external_reloc
{
- 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)) */
+ char r_vaddr[4];
+ char r_symndx[4];
+ char r_type[2];
};
-#define SYMENT struct external_syment
-#define SYMESZ 18
-#define AUXENT union external_auxent
-#define AUXESZ 18
-
-#define _ETEXT "etext"
+#define RELOC struct external_reloc
+#define RELSZ 10
-/********************** RELOCATION DIRECTIVES **********************/
+#else
struct external_reloc
{
char r_vaddr[4];
#define RELOC struct external_reloc
#define RELSZ 14
+#endif
+
+#define ARM_NOTE_SECTION ".note"
projects / deliverable / binutils-gdb.git / blobdiff