diff options
Diffstat (limited to 'binutils-2.25/include/aout')
| -rw-r--r-- | binutils-2.25/include/aout/ChangeLog | 262 | ||||
| -rw-r--r-- | binutils-2.25/include/aout/adobe.h | 314 | ||||
| -rw-r--r-- | binutils-2.25/include/aout/aout64.h | 516 | ||||
| -rw-r--r-- | binutils-2.25/include/aout/ar.h | 55 | ||||
| -rw-r--r-- | binutils-2.25/include/aout/dynix3.h | 87 | ||||
| -rw-r--r-- | binutils-2.25/include/aout/encap.h | 135 | ||||
| -rw-r--r-- | binutils-2.25/include/aout/host.h | 43 | ||||
| -rw-r--r-- | binutils-2.25/include/aout/hp.h | 83 | ||||
| -rw-r--r-- | binutils-2.25/include/aout/hp300hpux.h | 132 | ||||
| -rw-r--r-- | binutils-2.25/include/aout/hppa.h | 22 | ||||
| -rw-r--r-- | binutils-2.25/include/aout/ranlib.h | 63 | ||||
| -rw-r--r-- | binutils-2.25/include/aout/reloc.h | 67 | ||||
| -rw-r--r-- | binutils-2.25/include/aout/stab.def | 283 | ||||
| -rw-r--r-- | binutils-2.25/include/aout/stab_gnu.h | 55 | ||||
| -rw-r--r-- | binutils-2.25/include/aout/sun4.h | 239 |
15 files changed, 2356 insertions, 0 deletions
diff --git a/binutils-2.25/include/aout/ChangeLog b/binutils-2.25/include/aout/ChangeLog new file mode 100644 index 00000000..b4d4139d --- /dev/null +++ b/binutils-2.25/include/aout/ChangeLog @@ -0,0 +1,262 @@ +2010-04-15 Nick Clifton <nickc@redhat.com> + + * adobe.h: Update copyright notice to use GPLv3. + * aout64.h: Likewise. + * ar.h: Likewise. + * dynix3.h: Likewise. + * encap.h: Likewise. + * host.h: Likewise. + * hp.h: Likewise. + * hp300hpux.h: Likewise. + * ranlib.h: Likewise. + * reloc.h: Likewise. + * stab.def: Likewise. + * stab_gnu.h: Likewise. + * sun4.h: Likewise. + +2009-10-02 Alan Modra <amodra@bigpond.net.au> + + * aout64.h (N_SHARED_LIB): Define as zero if not already defined. + * sun4.h (N_SHARED_LIB): Define. + * hp300hpux.h (N_SHARED_LIB): Don't define. + +2008-08-28 Tristan Gingold <gingold@adacore.com> + + * stab.def: Add BNSYM, ENSYM, OSO for darwin. + +2008-03-27 Cary Coutant <ccoutant@google.com> + + * ar.h (ARMAGT): New magic string for thin archives. + +2005-08-18 Alan Modra <amodra@bigpond.net.au> + + * encap.h: Remove a29k support. + +2005-05-10 Nick Clifton <nickc@redhat.com> + + * Update the address and phone number of the FSF organization in + the GPL notices in the following files: + adobe.h, aout64.h, ar.h, dynix3.h, encap.h, host.h, hp.h, + ranlib.h, reloc.h, stab.def, stab_gnu.h, sun4.h + +2004-01-06 Mark Kettenis <kettenis@gnu.org> + + * stab.def: Add N_PATCH to DO definition. + +2003-03-06 Elias Athanasopoulos <elathan@phys.uoa.gr> + + * aout64.h (BYTES_IN_WORD): Define if necessary. + +2001-09-18 Alan Modra <amodra@bigpond.net.au> + + * aout64.h: Formatting fixes. + (N_TXTADDR): Evaluate to a bfd_vma. + (N_DATADDR): Avoid negative unsigned warning. + * hp300hpux.h: Formatting fixes. + (N_DATADDR): Avoid negative unsigned warning. + +2000-04-03 Hans-Peter Nilsson <hp@axis.com> + + * aout64.h (RELOC_EXT_BITS_EXTERN_BIG): Wrap definition in #ifndef. + (RELOC_EXT_BITS_EXTERN_LITTLE): Ditto. + (RELOC_EXT_BITS_TYPE_BIG): Ditto. + (RELOC_EXT_BITS_TYPE_SH_BIG): Ditto. + (RELOC_EXT_BITS_TYPE_LITTLE): Ditto. + (RELOC_EXT_BITS_TYPE_SH_LITTLE): Ditto. + +1999-07-12 Ian Lance Taylor <ian@zembu.com> + + * aout64.h (N_SHARED_LIB): Define as 0 if TEXT_START_ADDR is + defined as 0. + +1998-06-28 Peter Schauer <pes@regent.e-technik.tu-muenchen.de> + + * stab.def: Add N_ALIAS from SunPro F77. + +1996-03-11 Ian Lance Taylor <ian@cygnus.com> + + * stab.def: Use __define_stab_duplicate rather than __define_stab + for duplicate entries N_BROWS and N_MOD2. + * stab_gnu.h (__define_stab_duplicate): Define before including + stab.def. + +1995-10-27 Niklas Hallqvist <niklas@appli.se> + + * aout64.h, host.h, hp300hpux.h, sun4.h: Changed PAGE_SIZE to + TARGET_PAGE_SIZE. + +1995-09-12 Ian Lance Taylor <ian@cygnus.com> + + * sun4.h (struct internal_sun4_dynamic_link): Change all fields + from long to unsigned long. + +1995-07-12 Ken Raeburn <raeburn@kr-pc.cygnus.com> + + * sun4.h (PAGE_SIZE): Undefine before defining. + +1994-09-04 Richard Earnshaw (rwe@pegasus.esprit.ec.org) + + * aout64.h: Only define QMAGIC if it isn't already defined. + +1994-06-16 Ian Lance Taylor (ian@tweedledumb.cygnus.com) + + * aout64.h (BMAGIC): Define. + +1994-06-11 Ian Lance Taylor (ian@tweedledumb.cygnus.com) + + Add weak symbols as an extension to a.out. + * aout64.h (N_WEAKU, N_WEAKA, N_WEAKT, N_WEAKD, N_WEAKB): Define. + * stab.def: Update symbol value table. + +1994-06-02 Ian Lance Taylor (ian@tweedledumb.cygnus.com) + + * sun4.h (EXTERNAL_SUN4_DYNAMIC_DEBUGGER_SIZE): Correct from 28 to + 24. Fix up ld_got comment. + +1994-03-30 Peter Schauer (pes@regent.e-technik.tu-muenchen.de) + + * dynix3.h: Cleanup, adapt to current bfd version. + +1994-02-26 Ian Lance Taylor (ian@cygnus.com) + + * aout64.h: Add casts to avoid warnings from SVR4 cc. + +1994-02-11 Stan Shebs (shebs@andros.cygnus.com) + + * ar.h (ARMAG, ARMAGB, ARFMAG): Change '\n' to '\012', for greater + portability. + +1994-01-21 Ian Lance Taylor (ian@tweedledumb.cygnus.com) + + * sun4.h: Added information about SunOS shared libraries. + +1994-01-07 Jim Kingdon (kingdon@deneb.cygnus.com) + + * aout64.h (N_TXTADDR): Add comment regarding OMAGIC and NMAGIC. + +1993-12-25 Jim Kingdon (kingdon@lioth.cygnus.com) + + * aout64.h (N_DATOFF): Don't pad (revert change of 8 Jul 1993). + +1993-11-16 Jim Kingdon (kingdon@lioth.cygnus.com) + + * aout64.h: New macros ZMAGIC_DISK_BLOCK_SIZE and N_DISK_BLOCK_SIZE + for Linux ZMAGIC. + (N_TXTOFF, N_DATOFF): Use them. + +1993-11-04 Ken Raeburn (raeburn@kr-pc.cygnus.com) + + * aout64.h (RELOC_STD_BITS_RELATIVE_LITTLE): Fixed value to match + sun3 system; used to overlap other fields. + (RELOC_STD_BITS_JMPTABLE_LITTLE): Likewise. + +1993-11-03 David J. Mackenzie (djm@thepub.cygnus.com) + + * aout64.h (RELOC_STD_BITS_BASEREL_LITTLE): Make it 0x10 (Ken's + suggestion) to avoid conflict with RELOC_STD_BITS_EXTERN_LITTLE. + +1993-10-29 Ian Lance Taylor (ian@tweedledumb.cygnus.com) + + * hp300hpux.h (N_SHARED_LIB): Define to be 0. + +1993-09-13 John Gilmore (gnu@cygnus.com) + + * ar.h (ARMAP_TIME_OFFSET): Add and describe. + +Mon Aug 23 Sean Fagan (sef@cygnus.com) + + * aout64.h [ARCH_SIZE != 64]: Allow N_BADMAG to be overridden. + +1993-08-16 Jim Kingdon (kingdon@lioth.cygnus.com) + + * stab_gnu.h: Include aout/stab.def not just stab.def. + +1993-07-18 Jim Kingdon (kingdon@rtl.cygnus.com) + + * dynix3.h: New, for symmetry running dynix. + +1993-07-08 Jim Kingdon (kingdon@lioth.cygnus.com) + + * aout64.h (N_BADMAG): Recognize QMAGIC. + N_TXTOFF, N_TXTADDR, N_TXTSIZE: Special code for QMAGIC. + N_DATOFF: Pad text size if we need to. + +1993-06-18 Jim Kingdon (kingdon@lioth.cygnus.com) + + * stab.def (N_ECOML): Fix comment. + +1993-05-31 Jim Kingdon (kingdon@cygnus.com) + + * stab.def: Remove Solaris information on N_FUN stabstring grammar; + I've transferred it to gdb/doc/stabs.texinfo, where it belongs. + +1993-05-10 Ken Raeburn (raeburn@kr-pc.cygnus.com) + + * hp300hpux.h: Patch from Glenn Engel for linker problem and + compatibility fix: + (OMAGIC, NMAGIC): New definitions. + (SHAREMAGIC): Deleted. + (HPUX_DOT_O_MAGIC): New macro. + (_N_BADMAG): Adjusted. + (N_HEADER_IN_TEXT, N_DATADDR): New macros. + +1993-04-29 Ken Raeburn (raeburn@deneb.cygnus.com) + + * hp300hpux.h: New file from Glenn Engel, glenne@lsid.hp.com. + +1993-04-27 Ken Raeburn (raeburn@kr-pc.cygnus.com) + + * aout64.h (struct external_exec, *MAGIC, N_BADMAG): Don't define + if `external_exec' is already defined as a macro. + (N_DATOFF, N_TRELOFF, N_DRELOFF, N_SYMOFF, N_STROFF): Don't define + if already defined. + (struct external_nlist, EXTERNAL_NLIST_SIZE): Don't define if + `external_nlist' is already defined as a macro. + +1992-08-15 John Gilmore (gnu@cygnus.com) + + * adobe.h: Add description of a.out.adobe format. + +1992-07-03 John Gilmore (gnu at cygnus.com) + + * stab.def: Update more Solaris definitions. + * stab_gnu.h: Add N_SO language types, and Solaris basic float types. + +1992-06-14 John Gilmore (gnu at cygnus.com) + + * stab.def: Update descriptions of Solaris-2 stabs; add N_UNDF. + +1992-06-11 John Gilmore (gnu at cygnus.com) + + * stab.def: Add N_OBJ and N_OPT from Solaris-2. + +1992-01-30 John Gilmore (gnu at cygnus.com) + + * aout64.h: N_TXTSIZE needs some more parentheses. + I don't trust C precedence. + +1991-12-18 Per Bothner (bothner at cygnus.com) + + * aout64.h: Move common sunos-specific test + to recognize shared libraries into new macro N_SHARED_LIB. + Use it to simplify & reformat N_TXTADDR, N_TXTOFF, N_TXTSIZE. + +1991-11-30 Steve Chamberlain (sac at rtl.cygnus.com) + + * aout64.h, ar.h, encap.h, host.h, hp.h, ranlib.h, reloc.h, + stab.def, stab_gnu.h, sun4.h: All moved from the devo/include + directory. + + +Copyright (C) 1991-2012 Free Software Foundation, Inc. + +Copying and distribution of this file, with or without modification, +are permitted in any medium without royalty provided the copyright +notice and this notice are preserved. + +Local Variables: +mode: change-log +left-margin: 8 +fill-column: 74 +version-control: never +End: diff --git a/binutils-2.25/include/aout/adobe.h b/binutils-2.25/include/aout/adobe.h new file mode 100644 index 00000000..ce225527 --- /dev/null +++ b/binutils-2.25/include/aout/adobe.h @@ -0,0 +1,314 @@ +/* `a.out.adobe' differences from standard a.out files + + Copyright 2001, 2010 Free Software Foundation, Inc. + + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#ifndef __A_OUT_ADOBE_H__ +#define __A_OUT_ADOBE_H__ + +#define BYTES_IN_WORD 4 + +/* Struct external_exec is the same. */ + +/* This is the layout on disk of the 32-bit or 64-bit exec header. */ + +struct external_exec +{ + bfd_byte e_info[4]; /* magic number and stuff */ + bfd_byte e_text[BYTES_IN_WORD]; /* length of text section in bytes */ + bfd_byte e_data[BYTES_IN_WORD]; /* length of data section in bytes */ + bfd_byte e_bss[BYTES_IN_WORD]; /* length of bss area in bytes */ + bfd_byte e_syms[BYTES_IN_WORD]; /* length of symbol table in bytes */ + bfd_byte e_entry[BYTES_IN_WORD]; /* start address */ + bfd_byte e_trsize[BYTES_IN_WORD]; /* length of text relocation info */ + bfd_byte e_drsize[BYTES_IN_WORD]; /* length of data relocation info */ +}; + +#define EXEC_BYTES_SIZE (4 + BYTES_IN_WORD * 7) + +/* Magic numbers for a.out files */ + +#undef ZMAGIC +#define ZMAGIC 0xAD0BE /* Cute, eh? */ +#undef OMAGIC +#undef NMAGIC + +#define N_BADMAG(x) ((x).a_info != ZMAGIC) + +/* By default, segment size is constant. But some machines override this + to be a function of the a.out header (e.g. machine type). */ +#ifndef N_SEGSIZE +#define N_SEGSIZE(x) SEGMENT_SIZE +#endif +#undef N_SEGSIZE /* FIXMEXXXX */ + +/* Segment information for the a.out.Adobe format is specified after the + file header. It contains N segment descriptors, followed by one with + a type of zero. + + The actual text of the segments starts at N_TXTOFF in the file, + regardless of how many or how few segment headers there are. */ + +struct external_segdesc { + unsigned char e_type[1]; + unsigned char e_size[3]; + unsigned char e_virtbase[4]; + unsigned char e_filebase[4]; +}; + +struct internal_segdesc { + unsigned int a_type:8; /* Segment type N_TEXT, N_DATA, 0 */ + unsigned int a_size:24; /* Segment size */ + bfd_vma a_virtbase; /* Virtual address */ + unsigned int a_filebase; /* Base address in object file */ +}; + +#define N_TXTADDR(x) \ + +/* This is documented to be at 1024, but appears to really be at 2048. + FIXME?! */ +#define N_TXTOFF(x) 2048 + +#define N_TXTSIZE(x) ((x).a_text) + +#define N_DATADDR(x) + +#define N_BSSADDR(x) + +/* Offsets of the various portions of the file after the text segment. */ + +#define N_DATOFF(x) ( N_TXTOFF(x) + N_TXTSIZE(x) ) +#define N_TRELOFF(x) ( N_DATOFF(x) + (x).a_data ) +#define N_DRELOFF(x) ( N_TRELOFF(x) + (x).a_trsize ) +#define N_SYMOFF(x) ( N_DRELOFF(x) + (x).a_drsize ) +#define N_STROFF(x) ( N_SYMOFF(x) + (x).a_syms ) + +/* Symbols */ +struct external_nlist { + bfd_byte e_strx[BYTES_IN_WORD]; /* index into string table of name */ + bfd_byte e_type[1]; /* type of symbol */ + bfd_byte e_other[1]; /* misc info (usually empty) */ + bfd_byte e_desc[2]; /* description field */ + bfd_byte e_value[BYTES_IN_WORD]; /* value of symbol */ +}; + +#define EXTERNAL_NLIST_SIZE (BYTES_IN_WORD+4+BYTES_IN_WORD) + +struct internal_nlist { + unsigned long n_strx; /* index into string table of name */ + unsigned char n_type; /* type of symbol */ + unsigned char n_other; /* misc info (usually empty) */ + unsigned short n_desc; /* description field */ + bfd_vma n_value; /* value of symbol */ +}; + +/* The n_type field is the symbol type, containing: */ + +#define N_UNDF 0 /* Undefined symbol */ +#define N_ABS 2 /* Absolute symbol -- defined at particular addr */ +#define N_TEXT 4 /* Text sym -- defined at offset in text seg */ +#define N_DATA 6 /* Data sym -- defined at offset in data seg */ +#define N_BSS 8 /* BSS sym -- defined at offset in zero'd seg */ +#define N_COMM 0x12 /* Common symbol (visible after shared lib dynlink) */ +#define N_FN 0x1f /* File name of .o file */ +#define N_FN_SEQ 0x0C /* N_FN from Sequent compilers (sigh) */ +/* Note: N_EXT can only be usefully OR-ed with N_UNDF, N_ABS, N_TEXT, + N_DATA, or N_BSS. When the low-order bit of other types is set, + (e.g. N_WARNING versus N_FN), they are two different types. */ +#define N_EXT 1 /* External symbol (as opposed to local-to-this-file) */ +#define N_TYPE 0x1e +#define N_STAB 0xe0 /* If any of these bits are on, it's a debug symbol */ + +#define N_INDR 0x0a + +/* The following symbols refer to set elements. + All the N_SET[ATDB] symbols with the same name form one set. + Space is allocated for the set in the text section, and each set + elements value is stored into one word of the space. + The first word of the space is the length of the set (number of elements). + + The address of the set is made into an N_SETV symbol + whose name is the same as the name of the set. + This symbol acts like a N_DATA global symbol + in that it can satisfy undefined external references. */ + +/* These appear as input to LD, in a .o file. */ +#define N_SETA 0x14 /* Absolute set element symbol */ +#define N_SETT 0x16 /* Text set element symbol */ +#define N_SETD 0x18 /* Data set element symbol */ +#define N_SETB 0x1A /* Bss set element symbol */ + +/* This is output from LD. */ +#define N_SETV 0x1C /* Pointer to set vector in data area. */ + +/* Warning symbol. The text gives a warning message, the next symbol + in the table will be undefined. When the symbol is referenced, the + message is printed. */ + +#define N_WARNING 0x1e + +/* Relocations + + There are two types of relocation flavours for a.out systems, + standard and extended. The standard form is used on systems where the + instruction has room for all the bits of an offset to the operand, whilst + the extended form is used when an address operand has to be split over n + instructions. Eg, on the 68k, each move instruction can reference + the target with a displacement of 16 or 32 bits. On the sparc, move + instructions use an offset of 14 bits, so the offset is stored in + the reloc field, and the data in the section is ignored. +*/ + +/* This structure describes a single relocation to be performed. + The text-relocation section of the file is a vector of these structures, + all of which apply to the text section. + Likewise, the data-relocation section applies to the data section. */ + +struct reloc_std_external { + bfd_byte r_address[BYTES_IN_WORD]; /* offset of of data to relocate */ + bfd_byte r_index[3]; /* symbol table index of symbol */ + bfd_byte r_type[1]; /* relocation type */ +}; + +#define RELOC_STD_BITS_PCREL_BIG 0x80 +#define RELOC_STD_BITS_PCREL_LITTLE 0x01 + +#define RELOC_STD_BITS_LENGTH_BIG 0x60 +#define RELOC_STD_BITS_LENGTH_SH_BIG 5 /* To shift to units place */ +#define RELOC_STD_BITS_LENGTH_LITTLE 0x06 +#define RELOC_STD_BITS_LENGTH_SH_LITTLE 1 + +#define RELOC_STD_BITS_EXTERN_BIG 0x10 +#define RELOC_STD_BITS_EXTERN_LITTLE 0x08 + +#define RELOC_STD_BITS_BASEREL_BIG 0x08 +#define RELOC_STD_BITS_BASEREL_LITTLE 0x08 + +#define RELOC_STD_BITS_JMPTABLE_BIG 0x04 +#define RELOC_STD_BITS_JMPTABLE_LITTLE 0x04 + +#define RELOC_STD_BITS_RELATIVE_BIG 0x02 +#define RELOC_STD_BITS_RELATIVE_LITTLE 0x02 + +#define RELOC_STD_SIZE (BYTES_IN_WORD + 3 + 1) /* Bytes per relocation entry */ + +struct reloc_std_internal +{ + bfd_vma r_address; /* Address (within segment) to be relocated. */ + /* The meaning of r_symbolnum depends on r_extern. */ + unsigned int r_symbolnum:24; + /* Nonzero means value is a pc-relative offset + and it should be relocated for changes in its own address + as well as for changes in the symbol or section specified. */ + unsigned int r_pcrel:1; + /* Length (as exponent of 2) of the field to be relocated. + Thus, a value of 2 indicates 1<<2 bytes. */ + unsigned int r_length:2; + /* 1 => relocate with value of symbol. + r_symbolnum is the index of the symbol + in files the symbol table. + 0 => relocate with the address of a segment. + r_symbolnum is N_TEXT, N_DATA, N_BSS or N_ABS + (the N_EXT bit may be set also, but signifies nothing). */ + unsigned int r_extern:1; + /* The next three bits are for SunOS shared libraries, and seem to + be undocumented. */ + unsigned int r_baserel:1; /* Linkage table relative */ + unsigned int r_jmptable:1; /* pc-relative to jump table */ + unsigned int r_relative:1; /* "relative relocation" */ + /* unused */ + unsigned int r_pad:1; /* Padding -- set to zero */ +}; + + +/* EXTENDED RELOCS */ + +struct reloc_ext_external { + bfd_byte r_address[BYTES_IN_WORD]; /* offset of of data to relocate */ + bfd_byte r_index[3]; /* symbol table index of symbol */ + bfd_byte r_type[1]; /* relocation type */ + bfd_byte r_addend[BYTES_IN_WORD]; /* datum addend */ +}; + +#define RELOC_EXT_BITS_EXTERN_BIG 0x80 +#define RELOC_EXT_BITS_EXTERN_LITTLE 0x01 + +#define RELOC_EXT_BITS_TYPE_BIG 0x1F +#define RELOC_EXT_BITS_TYPE_SH_BIG 0 +#define RELOC_EXT_BITS_TYPE_LITTLE 0xF8 +#define RELOC_EXT_BITS_TYPE_SH_LITTLE 3 + +/* Bytes per relocation entry */ +#define RELOC_EXT_SIZE (BYTES_IN_WORD + 3 + 1 + BYTES_IN_WORD) + +enum reloc_type +{ + /* simple relocations */ + RELOC_8, /* data[0:7] = addend + sv */ + RELOC_16, /* data[0:15] = addend + sv */ + RELOC_32, /* data[0:31] = addend + sv */ + /* pc-rel displacement */ + RELOC_DISP8, /* data[0:7] = addend - pc + sv */ + RELOC_DISP16, /* data[0:15] = addend - pc + sv */ + RELOC_DISP32, /* data[0:31] = addend - pc + sv */ + /* Special */ + RELOC_WDISP30, /* data[0:29] = (addend + sv - pc)>>2 */ + RELOC_WDISP22, /* data[0:21] = (addend + sv - pc)>>2 */ + RELOC_HI22, /* data[0:21] = (addend + sv)>>10 */ + RELOC_22, /* data[0:21] = (addend + sv) */ + RELOC_13, /* data[0:12] = (addend + sv) */ + RELOC_LO10, /* data[0:9] = (addend + sv) */ + RELOC_SFA_BASE, + RELOC_SFA_OFF13, + /* P.I.C. (base-relative) */ + RELOC_BASE10, /* Not sure - maybe we can do this the */ + RELOC_BASE13, /* right way now */ + RELOC_BASE22, + /* for some sort of pc-rel P.I.C. (?) */ + RELOC_PC10, + RELOC_PC22, + /* P.I.C. jump table */ + RELOC_JMP_TBL, + /* reputedly for shared libraries somehow */ + RELOC_SEGOFF16, + RELOC_GLOB_DAT, + RELOC_JMP_SLOT, + RELOC_RELATIVE, + + RELOC_11, + RELOC_WDISP2_14, + RELOC_WDISP19, + RELOC_HHI22, /* data[0:21] = (addend + sv) >> 42 */ + RELOC_HLO10, /* data[0:9] = (addend + sv) >> 32 */ + + /* 29K relocation types */ + RELOC_JUMPTARG, + RELOC_CONST, + RELOC_CONSTH, + + NO_RELOC + }; + + +struct reloc_internal { + bfd_vma r_address; /* offset of of data to relocate */ + long r_index; /* symbol table index of symbol */ + enum reloc_type r_type; /* relocation type */ + bfd_vma r_addend; /* datum addend */ +}; + +#endif /* __A_OUT_ADOBE_H__ */ diff --git a/binutils-2.25/include/aout/aout64.h b/binutils-2.25/include/aout/aout64.h new file mode 100644 index 00000000..384909e0 --- /dev/null +++ b/binutils-2.25/include/aout/aout64.h @@ -0,0 +1,516 @@ +/* `a.out' object-file definitions, including extensions to 64-bit fields + + Copyright 1999, 2000, 2001, 2003, 2009, 2010 Free Software Foundation, Inc. + + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#ifndef __A_OUT_64_H__ +#define __A_OUT_64_H__ + +#ifndef BYTES_IN_WORD +#define BYTES_IN_WORD 4 +#endif + +/* This is the layout on disk of the 32-bit or 64-bit exec header. */ + +#ifndef external_exec +struct external_exec +{ + bfd_byte e_info[4]; /* Magic number and stuff. */ + bfd_byte e_text[BYTES_IN_WORD]; /* Length of text section in bytes. */ + bfd_byte e_data[BYTES_IN_WORD]; /* Length of data section in bytes. */ + bfd_byte e_bss[BYTES_IN_WORD]; /* Length of bss area in bytes. */ + bfd_byte e_syms[BYTES_IN_WORD]; /* Length of symbol table in bytes. */ + bfd_byte e_entry[BYTES_IN_WORD]; /* Start address. */ + bfd_byte e_trsize[BYTES_IN_WORD]; /* Length of text relocation info. */ + bfd_byte e_drsize[BYTES_IN_WORD]; /* Length of data relocation info. */ +}; + +#define EXEC_BYTES_SIZE (4 + BYTES_IN_WORD * 7) + +/* Magic numbers for a.out files. */ + +#if ARCH_SIZE==64 +#define OMAGIC 0x1001 /* Code indicating object file. */ +#define ZMAGIC 0x1002 /* Code indicating demand-paged executable. */ +#define NMAGIC 0x1003 /* Code indicating pure executable. */ + +/* There is no 64-bit QMAGIC as far as I know. */ + +#define N_BADMAG(x) (N_MAGIC(x) != OMAGIC \ + && N_MAGIC(x) != NMAGIC \ + && N_MAGIC(x) != ZMAGIC) +#else +#define OMAGIC 0407 /* Object file or impure executable. */ +#define NMAGIC 0410 /* Code indicating pure executable. */ +#define ZMAGIC 0413 /* Code indicating demand-paged executable. */ +#define BMAGIC 0415 /* Used by a b.out object. */ + +/* This indicates a demand-paged executable with the header in the text. + It is used by 386BSD (and variants) and Linux, at least. */ +#ifndef QMAGIC +#define QMAGIC 0314 +#endif +# ifndef N_BADMAG +# define N_BADMAG(x) (N_MAGIC(x) != OMAGIC \ + && N_MAGIC(x) != NMAGIC \ + && N_MAGIC(x) != ZMAGIC \ + && N_MAGIC(x) != QMAGIC) +# endif /* N_BADMAG */ +#endif + +#endif + +#ifdef QMAGIC +#define N_IS_QMAGIC(x) (N_MAGIC (x) == QMAGIC) +#else +#define N_IS_QMAGIC(x) (0) +#endif + +/* The difference between TARGET_PAGE_SIZE and N_SEGSIZE is that TARGET_PAGE_SIZE is + the finest granularity at which you can page something, thus it + controls the padding (if any) before the text segment of a ZMAGIC + file. N_SEGSIZE is the resolution at which things can be marked as + read-only versus read/write, so it controls the padding between the + text segment and the data segment (in memory; on disk the padding + between them is TARGET_PAGE_SIZE). TARGET_PAGE_SIZE and N_SEGSIZE are the same + for most machines, but different for sun3. */ + +/* By default, segment size is constant. But some machines override this + to be a function of the a.out header (e.g. machine type). */ + +#ifndef N_SEGSIZE +#define N_SEGSIZE(x) SEGMENT_SIZE +#endif + +/* Virtual memory address of the text section. + This is getting very complicated. A good reason to discard a.out format + for something that specifies these fields explicitly. But til then... + + * OMAGIC and NMAGIC files: + (object files: text for "relocatable addr 0" right after the header) + start at 0, offset is EXEC_BYTES_SIZE, size as stated. + * The text address, offset, and size of ZMAGIC files depend + on the entry point of the file: + * entry point below TEXT_START_ADDR: + (hack for SunOS shared libraries) + start at 0, offset is 0, size as stated. + * If N_HEADER_IN_TEXT(x) is true (which defaults to being the + case when the entry point is EXEC_BYTES_SIZE or further into a page): + no padding is needed; text can start after exec header. Sun + considers the text segment of such files to include the exec header; + for BFD's purposes, we don't, which makes more work for us. + start at TEXT_START_ADDR + EXEC_BYTES_SIZE, offset is EXEC_BYTES_SIZE, + size as stated minus EXEC_BYTES_SIZE. + * If N_HEADER_IN_TEXT(x) is false (which defaults to being the case when + the entry point is less than EXEC_BYTES_SIZE into a page (e.g. page + aligned)): (padding is needed so that text can start at a page boundary) + start at TEXT_START_ADDR, offset TARGET_PAGE_SIZE, size as stated. + + Specific configurations may want to hardwire N_HEADER_IN_TEXT, + for efficiency or to allow people to play games with the entry point. + In that case, you would #define N_HEADER_IN_TEXT(x) as 1 for sunos, + and as 0 for most other hosts (Sony News, Vax Ultrix, etc). + (Do this in the appropriate bfd target file.) + (The default is a heuristic that will break if people try changing + the entry point, perhaps with the ld -e flag.) + + * QMAGIC is always like a ZMAGIC for which N_HEADER_IN_TEXT is true, + and for which the starting address is TARGET_PAGE_SIZE (or should this be + SEGMENT_SIZE?) (TEXT_START_ADDR only applies to ZMAGIC, not to QMAGIC). */ + +/* This macro is only relevant for ZMAGIC files; QMAGIC always has the header + in the text. */ +#ifndef N_HEADER_IN_TEXT +#define N_HEADER_IN_TEXT(x) \ + (((x).a_entry & (TARGET_PAGE_SIZE-1)) >= EXEC_BYTES_SIZE) +#endif + +/* Sun shared libraries, not linux. This macro is only relevant for ZMAGIC + files. */ +#ifndef N_SHARED_LIB +#define N_SHARED_LIB(x) (0) +#endif + +/* Returning 0 not TEXT_START_ADDR for OMAGIC and NMAGIC is based on + the assumption that we are dealing with a .o file, not an + executable. This is necessary for OMAGIC (but means we don't work + right on the output from ld -N); more questionable for NMAGIC. */ + +#ifndef N_TXTADDR +#define N_TXTADDR(x) \ + (/* The address of a QMAGIC file is always one page in, \ + with the header in the text. */ \ + N_IS_QMAGIC (x) \ + ? (bfd_vma) TARGET_PAGE_SIZE + EXEC_BYTES_SIZE \ + : (N_MAGIC (x) != ZMAGIC \ + ? (bfd_vma) 0 /* Object file or NMAGIC. */ \ + : (N_SHARED_LIB (x) \ + ? (bfd_vma) 0 \ + : (N_HEADER_IN_TEXT (x) \ + ? (bfd_vma) TEXT_START_ADDR + EXEC_BYTES_SIZE \ + : (bfd_vma) TEXT_START_ADDR)))) +#endif + +/* If N_HEADER_IN_TEXT is not true for ZMAGIC, there is some padding + to make the text segment start at a certain boundary. For most + systems, this boundary is TARGET_PAGE_SIZE. But for Linux, in the + time-honored tradition of crazy ZMAGIC hacks, it is 1024 which is + not what TARGET_PAGE_SIZE needs to be for QMAGIC. */ + +#ifndef ZMAGIC_DISK_BLOCK_SIZE +#define ZMAGIC_DISK_BLOCK_SIZE TARGET_PAGE_SIZE +#endif + +#define N_DISK_BLOCK_SIZE(x) \ + (N_MAGIC(x) == ZMAGIC ? ZMAGIC_DISK_BLOCK_SIZE : TARGET_PAGE_SIZE) + +/* Offset in an a.out of the start of the text section. */ +#ifndef N_TXTOFF +#define N_TXTOFF(x) \ + (/* For {O,N,Q}MAGIC, no padding. */ \ + N_MAGIC (x) != ZMAGIC \ + ? EXEC_BYTES_SIZE \ + : (N_SHARED_LIB (x) \ + ? 0 \ + : (N_HEADER_IN_TEXT (x) \ + ? EXEC_BYTES_SIZE /* No padding. */ \ + : ZMAGIC_DISK_BLOCK_SIZE /* A page of padding. */))) +#endif +/* Size of the text section. It's always as stated, except that we + offset it to `undo' the adjustment to N_TXTADDR and N_TXTOFF + for ZMAGIC files that nominally include the exec header + as part of the first page of text. (BFD doesn't consider the + exec header to be part of the text segment.) */ +#ifndef N_TXTSIZE +#define N_TXTSIZE(x) \ + (/* For QMAGIC, we don't consider the header part of the text section. */\ + N_IS_QMAGIC (x) \ + ? (x).a_text - EXEC_BYTES_SIZE \ + : ((N_MAGIC (x) != ZMAGIC || N_SHARED_LIB (x)) \ + ? (x).a_text \ + : (N_HEADER_IN_TEXT (x) \ + ? (x).a_text - EXEC_BYTES_SIZE /* No padding. */ \ + : (x).a_text /* A page of padding. */ ))) +#endif +/* The address of the data segment in virtual memory. + It is the text segment address, plus text segment size, rounded + up to a N_SEGSIZE boundary for pure or pageable files. */ +#ifndef N_DATADDR +#define N_DATADDR(x) \ + (N_MAGIC (x) == OMAGIC \ + ? (N_TXTADDR (x) + N_TXTSIZE (x)) \ + : (N_SEGSIZE (x) + ((N_TXTADDR (x) + N_TXTSIZE (x) - 1) \ + & ~ (bfd_vma) (N_SEGSIZE (x) - 1)))) +#endif +/* The address of the BSS segment -- immediately after the data segment. */ + +#define N_BSSADDR(x) (N_DATADDR (x) + (x).a_data) + +/* Offsets of the various portions of the file after the text segment. */ + +/* For {Q,Z}MAGIC, there is padding to make the data segment start on + a page boundary. Most of the time the a_text field (and thus + N_TXTSIZE) already contains this padding. It is possible that for + BSDI and/or 386BSD it sometimes doesn't contain the padding, and + perhaps we should be adding it here. But this seems kind of + questionable and probably should be BSDI/386BSD-specific if we do + do it. + + For NMAGIC (at least for hp300 BSD, probably others), there is + padding in memory only, not on disk, so we must *not* ever pad here + for NMAGIC. */ + +#ifndef N_DATOFF +#define N_DATOFF(x) (N_TXTOFF (x) + N_TXTSIZE (x)) +#endif +#ifndef N_TRELOFF +#define N_TRELOFF(x) (N_DATOFF (x) + (x).a_data) +#endif +#ifndef N_DRELOFF +#define N_DRELOFF(x) (N_TRELOFF (x) + (x).a_trsize) +#endif +#ifndef N_SYMOFF +#define N_SYMOFF(x) (N_DRELOFF (x) + (x).a_drsize) +#endif +#ifndef N_STROFF +#define N_STROFF(x) (N_SYMOFF (x) + (x).a_syms) +#endif + +/* Symbols */ +#ifndef external_nlist +struct external_nlist +{ + bfd_byte e_strx[BYTES_IN_WORD]; /* Index into string table of name. */ + bfd_byte e_type[1]; /* Type of symbol. */ + bfd_byte e_other[1]; /* Misc info (usually empty). */ + bfd_byte e_desc[2]; /* Description field. */ + bfd_byte e_value[BYTES_IN_WORD]; /* Value of symbol. */ +}; +#define EXTERNAL_NLIST_SIZE (BYTES_IN_WORD+4+BYTES_IN_WORD) +#endif + +struct internal_nlist +{ + unsigned long n_strx; /* Index into string table of name. */ + unsigned char n_type; /* Type of symbol. */ + unsigned char n_other; /* Misc info (usually empty). */ + unsigned short n_desc; /* Description field. */ + bfd_vma n_value; /* Value of symbol. */ +}; + +/* The n_type field is the symbol type, containing: */ + +#define N_UNDF 0 /* Undefined symbol. */ +#define N_ABS 2 /* Absolute symbol -- defined at particular addr. */ +#define N_TEXT 4 /* Text sym -- defined at offset in text seg. */ +#define N_DATA 6 /* Data sym -- defined at offset in data seg. */ +#define N_BSS 8 /* BSS sym -- defined at offset in zero'd seg. */ +#define N_COMM 0x12 /* Common symbol (visible after shared lib dynlink). */ +#define N_FN 0x1f /* File name of .o file. */ +#define N_FN_SEQ 0x0C /* N_FN from Sequent compilers (sigh). */ +/* Note: N_EXT can only be usefully OR-ed with N_UNDF, N_ABS, N_TEXT, + N_DATA, or N_BSS. When the low-order bit of other types is set, + (e.g. N_WARNING versus N_FN), they are two different types. */ +#define N_EXT 1 /* External symbol (as opposed to local-to-this-file). */ +#define N_TYPE 0x1e +#define N_STAB 0xe0 /* If any of these bits are on, it's a debug symbol. */ + +#define N_INDR 0x0a + +/* The following symbols refer to set elements. + All the N_SET[ATDB] symbols with the same name form one set. + Space is allocated for the set in the text section, and each set + elements value is stored into one word of the space. + The first word of the space is the length of the set (number of elements). + + The address of the set is made into an N_SETV symbol + whose name is the same as the name of the set. + This symbol acts like a N_DATA global symbol + in that it can satisfy undefined external references. */ + +/* These appear as input to LD, in a .o file. */ +#define N_SETA 0x14 /* Absolute set element symbol. */ +#define N_SETT 0x16 /* Text set element symbol. */ +#define N_SETD 0x18 /* Data set element symbol. */ +#define N_SETB 0x1A /* Bss set element symbol. */ + +/* This is output from LD. */ +#define N_SETV 0x1C /* Pointer to set vector in data area. */ + +/* Warning symbol. The text gives a warning message, the next symbol + in the table will be undefined. When the symbol is referenced, the + message is printed. */ + +#define N_WARNING 0x1e + +/* Weak symbols. These are a GNU extension to the a.out format. The + semantics are those of ELF weak symbols. Weak symbols are always + externally visible. The N_WEAK? values are squeezed into the + available slots. The value of a N_WEAKU symbol is 0. The values + of the other types are the definitions. */ +#define N_WEAKU 0x0d /* Weak undefined symbol. */ +#define N_WEAKA 0x0e /* Weak absolute symbol. */ +#define N_WEAKT 0x0f /* Weak text symbol. */ +#define N_WEAKD 0x10 /* Weak data symbol. */ +#define N_WEAKB 0x11 /* Weak bss symbol. */ + +/* Relocations + + There are two types of relocation flavours for a.out systems, + standard and extended. The standard form is used on systems where the + instruction has room for all the bits of an offset to the operand, whilst + the extended form is used when an address operand has to be split over n + instructions. Eg, on the 68k, each move instruction can reference + the target with a displacement of 16 or 32 bits. On the sparc, move + instructions use an offset of 14 bits, so the offset is stored in + the reloc field, and the data in the section is ignored. */ + +/* This structure describes a single relocation to be performed. + The text-relocation section of the file is a vector of these structures, + all of which apply to the text section. + Likewise, the data-relocation section applies to the data section. */ + +struct reloc_std_external +{ + bfd_byte r_address[BYTES_IN_WORD]; /* Offset of of data to relocate. */ + bfd_byte r_index[3]; /* Symbol table index of symbol. */ + bfd_byte r_type[1]; /* Relocation type. */ +}; + +#define RELOC_STD_BITS_PCREL_BIG ((unsigned int) 0x80) +#define RELOC_STD_BITS_PCREL_LITTLE ((unsigned int) 0x01) + +#define RELOC_STD_BITS_LENGTH_BIG ((unsigned int) 0x60) +#define RELOC_STD_BITS_LENGTH_SH_BIG 5 +#define RELOC_STD_BITS_LENGTH_LITTLE ((unsigned int) 0x06) +#define RELOC_STD_BITS_LENGTH_SH_LITTLE 1 + +#define RELOC_STD_BITS_EXTERN_BIG ((unsigned int) 0x10) +#define RELOC_STD_BITS_EXTERN_LITTLE ((unsigned int) 0x08) + +#define RELOC_STD_BITS_BASEREL_BIG ((unsigned int) 0x08) +#define RELOC_STD_BITS_BASEREL_LITTLE ((unsigned int) 0x10) + +#define RELOC_STD_BITS_JMPTABLE_BIG ((unsigned int) 0x04) +#define RELOC_STD_BITS_JMPTABLE_LITTLE ((unsigned int) 0x20) + +#define RELOC_STD_BITS_RELATIVE_BIG ((unsigned int) 0x02) +#define RELOC_STD_BITS_RELATIVE_LITTLE ((unsigned int) 0x40) + +#define RELOC_STD_SIZE (BYTES_IN_WORD + 3 + 1) /* Bytes per relocation entry. */ + +struct reloc_std_internal +{ + bfd_vma r_address; /* Address (within segment) to be relocated. */ + /* The meaning of r_symbolnum depends on r_extern. */ + unsigned int r_symbolnum:24; + /* Nonzero means value is a pc-relative offset + and it should be relocated for changes in its own address + as well as for changes in the symbol or section specified. */ + unsigned int r_pcrel:1; + /* Length (as exponent of 2) of the field to be relocated. + Thus, a value of 2 indicates 1<<2 bytes. */ + unsigned int r_length:2; + /* 1 => relocate with value of symbol. + r_symbolnum is the index of the symbol + in files the symbol table. + 0 => relocate with the address of a segment. + r_symbolnum is N_TEXT, N_DATA, N_BSS or N_ABS + (the N_EXT bit may be set also, but signifies nothing). */ + unsigned int r_extern:1; + /* The next three bits are for SunOS shared libraries, and seem to + be undocumented. */ + unsigned int r_baserel:1; /* Linkage table relative. */ + unsigned int r_jmptable:1; /* pc-relative to jump table. */ + unsigned int r_relative:1; /* "relative relocation". */ + /* unused */ + unsigned int r_pad:1; /* Padding -- set to zero. */ +}; + + +/* EXTENDED RELOCS. */ + +struct reloc_ext_external +{ + bfd_byte r_address[BYTES_IN_WORD]; /* Offset of of data to relocate. */ + bfd_byte r_index[3]; /* Symbol table index of symbol. */ + bfd_byte r_type[1]; /* Relocation type. */ + bfd_byte r_addend[BYTES_IN_WORD]; /* Datum addend. */ +}; + +#ifndef RELOC_EXT_BITS_EXTERN_BIG +#define RELOC_EXT_BITS_EXTERN_BIG ((unsigned int) 0x80) +#endif + +#ifndef RELOC_EXT_BITS_EXTERN_LITTLE +#define RELOC_EXT_BITS_EXTERN_LITTLE ((unsigned int) 0x01) +#endif + +#ifndef RELOC_EXT_BITS_TYPE_BIG +#define RELOC_EXT_BITS_TYPE_BIG ((unsigned int) 0x1F) +#endif + +#ifndef RELOC_EXT_BITS_TYPE_SH_BIG +#define RELOC_EXT_BITS_TYPE_SH_BIG 0 +#endif + +#ifndef RELOC_EXT_BITS_TYPE_LITTLE +#define RELOC_EXT_BITS_TYPE_LITTLE ((unsigned int) 0xF8) +#endif + +#ifndef RELOC_EXT_BITS_TYPE_SH_LITTLE +#define RELOC_EXT_BITS_TYPE_SH_LITTLE 3 +#endif + +/* Bytes per relocation entry. */ +#define RELOC_EXT_SIZE (BYTES_IN_WORD + 3 + 1 + BYTES_IN_WORD) + +enum reloc_type +{ + /* Simple relocations. */ + RELOC_8, /* data[0:7] = addend + sv */ + RELOC_16, /* data[0:15] = addend + sv */ + RELOC_32, /* data[0:31] = addend + sv */ + /* PC-rel displacement. */ + RELOC_DISP8, /* data[0:7] = addend - pc + sv */ + RELOC_DISP16, /* data[0:15] = addend - pc + sv */ + RELOC_DISP32, /* data[0:31] = addend - pc + sv */ + /* Special. */ + RELOC_WDISP30, /* data[0:29] = (addend + sv - pc)>>2 */ + RELOC_WDISP22, /* data[0:21] = (addend + sv - pc)>>2 */ + RELOC_HI22, /* data[0:21] = (addend + sv)>>10 */ + RELOC_22, /* data[0:21] = (addend + sv) */ + RELOC_13, /* data[0:12] = (addend + sv) */ + RELOC_LO10, /* data[0:9] = (addend + sv) */ + RELOC_SFA_BASE, + RELOC_SFA_OFF13, + /* P.I.C. (base-relative). */ + RELOC_BASE10, /* Not sure - maybe we can do this the */ + RELOC_BASE13, /* right way now */ + RELOC_BASE22, + /* For some sort of pc-rel P.I.C. (?) */ + RELOC_PC10, + RELOC_PC22, + /* P.I.C. jump table. */ + RELOC_JMP_TBL, + /* Reputedly for shared libraries somehow. */ + RELOC_SEGOFF16, + RELOC_GLOB_DAT, + RELOC_JMP_SLOT, + RELOC_RELATIVE, + + RELOC_11, + RELOC_WDISP2_14, + RELOC_WDISP19, + RELOC_HHI22, /* data[0:21] = (addend + sv) >> 42 */ + RELOC_HLO10, /* data[0:9] = (addend + sv) >> 32 */ + + /* 29K relocation types. */ + RELOC_JUMPTARG, + RELOC_CONST, + RELOC_CONSTH, + + /* All the new ones I can think of, for sparc v9. */ + RELOC_64, /* data[0:63] = addend + sv */ + RELOC_DISP64, /* data[0:63] = addend - pc + sv */ + RELOC_WDISP21, /* data[0:20] = (addend + sv - pc)>>2 */ + RELOC_DISP21, /* data[0:20] = addend - pc + sv */ + RELOC_DISP14, /* data[0:13] = addend - pc + sv */ + /* Q . + What are the other ones, + Since this is a clean slate, can we throw away the ones we dont + understand ? Should we sort the values ? What about using a + microcode format like the 68k ? */ + NO_RELOC + }; + + +struct reloc_internal +{ + bfd_vma r_address; /* Offset of of data to relocate. */ + long r_index; /* Symbol table index of symbol. */ + enum reloc_type r_type; /* Relocation type. */ + bfd_vma r_addend; /* Datum addend. */ +}; + +/* Q. + Should the length of the string table be 4 bytes or 8 bytes ? + + Q. + What about archive indexes ? */ + +#endif /* __A_OUT_64_H__ */ diff --git a/binutils-2.25/include/aout/ar.h b/binutils-2.25/include/aout/ar.h new file mode 100644 index 00000000..de043822 --- /dev/null +++ b/binutils-2.25/include/aout/ar.h @@ -0,0 +1,55 @@ +/* archive file definition for GNU software + + Copyright 2001, 2008, 2010 Free Software Foundation, Inc. + + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +/* So far this is correct for BSDish archives. Don't forget that + files must begin on an even byte boundary. */ + +#ifndef __GNU_AR_H__ +#define __GNU_AR_H__ + +/* Note that the usual '\n' in magic strings may translate to different + characters, as allowed by ANSI. '\012' has a fixed value, and remains + compatible with existing BSDish archives. */ + +#define ARMAG "!<arch>\012" /* For COFF and a.out archives. */ +#define ARMAGB "!<bout>\012" /* For b.out archives. */ +#define ARMAGT "!<thin>\012" /* For thin archives. */ +#define SARMAG 8 +#define ARFMAG "`\012" + +/* The ar_date field of the armap (__.SYMDEF) member of an archive + must be greater than the modified date of the entire file, or + BSD-derived linkers complain. We originally write the ar_date with + this offset from the real file's mod-time. After finishing the + file, we rewrite ar_date if it's not still greater than the mod date. */ + +#define ARMAP_TIME_OFFSET 60 + +struct ar_hdr +{ + char ar_name[16]; /* Name of this member. */ + char ar_date[12]; /* File mtime. */ + char ar_uid[6]; /* Owner uid; printed as decimal. */ + char ar_gid[6]; /* Owner gid; printed as decimal. */ + char ar_mode[8]; /* File mode, printed as octal. */ + char ar_size[10]; /* File size, printed as decimal. */ + char ar_fmag[2]; /* Should contain ARFMAG. */ +}; + +#endif /* __GNU_AR_H__ */ diff --git a/binutils-2.25/include/aout/dynix3.h b/binutils-2.25/include/aout/dynix3.h new file mode 100644 index 00000000..808e53a7 --- /dev/null +++ b/binutils-2.25/include/aout/dynix3.h @@ -0,0 +1,87 @@ +/* a.out specifics for Sequent Symmetry running Dynix 3.x + + Copyright 2001, 2010 Free Software Foundation, Inc. + + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#ifndef A_OUT_DYNIX3_H +#define A_OUT_DYNIX3_H + +#define external_exec dynix_external_exec + +/* struct exec for Dynix 3 + + a_gdtbl and a_bootstrap are only for standalone binaries. + Shared data fields are not supported by the kernel as of Dynix 3.1, + but are supported by Dynix compiler programs. */ +struct dynix_external_exec + { + unsigned char e_info[4]; + unsigned char e_text[4]; + unsigned char e_data[4]; + unsigned char e_bss[4]; + unsigned char e_syms[4]; + unsigned char e_entry[4]; + unsigned char e_trsize[4]; + unsigned char e_drsize[4]; + unsigned char e_g_code[8]; + unsigned char e_g_data[8]; + unsigned char e_g_desc[8]; + unsigned char e_shdata[4]; + unsigned char e_shbss[4]; + unsigned char e_shdrsize[4]; + unsigned char e_bootstrap[44]; + unsigned char e_reserved[12]; + unsigned char e_version[4]; + }; + +#define EXEC_BYTES_SIZE (128) + +/* All executables under Dynix are demand paged with read-only text, + Thus no NMAGIC. + + ZMAGIC has a page of 0s at virtual 0, + XMAGIC has an invalid page at virtual 0. */ +#define OMAGIC 0x12eb /* .o */ +#define ZMAGIC 0x22eb /* zero @ 0, demand load */ +#define XMAGIC 0x32eb /* invalid @ 0, demand load */ +#define SMAGIC 0x42eb /* standalone, not supported here */ + +#define N_BADMAG(x) ((OMAGIC != N_MAGIC(x)) && \ + (ZMAGIC != N_MAGIC(x)) && \ + (XMAGIC != N_MAGIC(x)) && \ + (SMAGIC != N_MAGIC(x))) + +#define N_ADDRADJ(x) ((ZMAGIC == N_MAGIC(x) || XMAGIC == N_MAGIC(x)) ? 0x1000 : 0) + +#define N_TXTOFF(x) (EXEC_BYTES_SIZE) +#define N_DATOFF(x) (N_TXTOFF(x) + N_TXTSIZE(x)) +#define N_SHDATOFF(x) (N_DATOFF(x) + (x).a_data) +#define N_TRELOFF(x) (N_SHDATOFF(x) + (x).a_shdata) +#define N_DRELOFF(x) (N_TRELOFF(x) + (x).a_trsize) +#define N_SHDRELOFF(x) (N_DRELOFF(x) + (x).a_drsize) +#define N_SYMOFF(x) (N_SHDRELOFF(x) + (x).a_shdrsize) +#define N_STROFF(x) (N_SYMOFF(x) + (x).a_syms) + +#define N_TXTADDR(x) \ + (((OMAGIC == N_MAGIC(x)) || (SMAGIC == N_MAGIC(x))) ? 0 \ + : TEXT_START_ADDR + EXEC_BYTES_SIZE) + +#define N_TXTSIZE(x) \ + (((OMAGIC == N_MAGIC(x)) || (SMAGIC == N_MAGIC(x))) ? ((x).a_text) \ + : ((x).a_text - N_ADDRADJ(x) - EXEC_BYTES_SIZE)) + +#endif /* A_OUT_DYNIX3_H */ diff --git a/binutils-2.25/include/aout/encap.h b/binutils-2.25/include/aout/encap.h new file mode 100644 index 00000000..7ebec698 --- /dev/null +++ b/binutils-2.25/include/aout/encap.h @@ -0,0 +1,135 @@ +/* Yet Another Try at encapsulating bfd object files in coff. + Copyright 1988, 1989, 1991, 2010 Free Software Foundation, Inc. + Written by Pace Willisson 12/9/88 + + This file is obsolete. It needs to be converted to just define a bunch + of stuff that BFD can use to do coff-encapsulated files. --gnu@cygnus.com + + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +/* + * We only use the coff headers to tell the kernel + * how to exec the file. Therefore, the only fields that need to + * be filled in are the scnptr and vaddr for the text and data + * sections, and the vaddr for the bss. As far as coff is concerned, + * there is no symbol table, relocation, or line numbers. + * + * A normal bsd header (struct exec) is placed after the coff headers, + * and before the real text. I defined a the new fields 'a_machtype' + * and a_flags. If a_machtype is M_386, and a_flags & A_ENCAP is + * true, then the bsd header is preceeded by a coff header. Macros + * like N_TXTOFF and N_TXTADDR use this field to find the bsd header. + * + * The only problem is to track down the bsd exec header. The + * macros HEADER_OFFSET, etc do this. + */ + +#define N_FLAGS_COFF_ENCAPSULATE 0x20 /* coff header precedes bsd header */ + +/* Describe the COFF header used for encapsulation. */ + +struct coffheader +{ + /* filehdr */ + unsigned short f_magic; + unsigned short f_nscns; + long f_timdat; + long f_symptr; + long f_nsyms; + unsigned short f_opthdr; + unsigned short f_flags; + /* aouthdr */ + short magic; + short vstamp; + long tsize; + long dsize; + long bsize; + long entry; + long text_start; + long data_start; + struct coffscn + { + char s_name[8]; + long s_paddr; + long s_vaddr; + long s_size; + long s_scnptr; + long s_relptr; + long s_lnnoptr; + unsigned short s_nreloc; + unsigned short s_nlnno; + long s_flags; + } scns[3]; +}; + +/* Describe some of the parameters of the encapsulation, + including how to find the encapsulated BSD header. */ + +/* FIXME, this is dumb. The same tools can't handle a.outs for different + architectures, just because COFF_MAGIC is different; so you need a + separate GNU nm for every architecture!!? Unfortunately, it needs to + be this way, since the COFF_MAGIC value is determined by the kernel + we're trying to fool here. */ + +#define COFF_MAGIC_I386 0514 /* I386MAGIC */ +#define COFF_MAGIC_M68K 0520 /* MC68MAGIC */ + +#ifdef COFF_MAGIC +short __header_offset_temp; +#define HEADER_OFFSET(f) \ + (__header_offset_temp = 0, \ + fread ((char *)&__header_offset_temp, sizeof (short), 1, (f)), \ + fseek ((f), -sizeof (short), 1), \ + __header_offset_temp==COFF_MAGIC ? sizeof(struct coffheader) : 0) +#else +#define HEADER_OFFSET(f) 0 +#endif + +#define HEADER_SEEK(f) (fseek ((f), HEADER_OFFSET((f)), 1)) + +/* Describe the characteristics of the BSD header + that appears inside the encapsulation. */ + +/* Encapsulated coff files that are linked ZMAGIC have a text segment + offset just past the header (and a matching TXTADDR), excluding + the headers from the text segment proper but keeping the physical + layout and the virtual memory layout page-aligned. + + Non-encapsulated a.out files that are linked ZMAGIC have a text + segment that starts at 0 and an N_TXTADR similarly offset to 0. + They too are page-aligned with each other, but they include the + a.out header as part of the text. + + The _N_HDROFF gets sizeof struct exec added to it, so we have + to compensate here. See <a.out.gnu.h>. */ + +#undef _N_HDROFF +#undef N_TXTADDR +#undef N_DATADDR + +#define _N_HDROFF(x) ((N_FLAGS(x) & N_FLAGS_COFF_ENCAPSULATE) ? \ + sizeof (struct coffheader) : 0) + +/* Address of text segment in memory after it is loaded. */ +#define N_TXTADDR(x) \ + ((N_FLAGS(x) & N_FLAGS_COFF_ENCAPSULATE) ? \ + sizeof (struct coffheader) + sizeof (struct exec) : 0) +#define SEGMENT_SIZE 0x400000 + +#define N_DATADDR(x) \ + ((N_FLAGS(x) & N_FLAGS_COFF_ENCAPSULATE) ? \ + (SEGMENT_SIZE + ((N_TXTADDR(x)+(x).a_text-1) & ~(SEGMENT_SIZE-1))) : \ + (N_TXTADDR(x)+(x).a_text)) diff --git a/binutils-2.25/include/aout/host.h b/binutils-2.25/include/aout/host.h new file mode 100644 index 00000000..4260cc53 --- /dev/null +++ b/binutils-2.25/include/aout/host.h @@ -0,0 +1,43 @@ +/* host.h - Parameters about the a.out format, based on the host system + on which the program is compiled. + + Copyright 2001, 2010 Free Software Foundation, Inc. + + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +/* Address of data segment in memory after it is loaded. + It is up to you to define SEGMENT_SIZE on machines not listed here. */ +#ifndef SEGMENT_SIZE + +#if defined(hp300) || defined(pyr) +#define SEGMENT_SIZE page_size +#endif + +#ifdef sony +#define SEGMENT_SIZE 0x1000 +#endif /* Sony. */ + +#ifdef is68k +#define SEGMENT_SIZE 0x20000 +#endif + +#if defined(m68k) && defined(PORTAR) +#define TARGET_PAGE_SIZE 0x400 +#define SEGMENT_SIZE TARGET_PAGE_SIZE +#endif + +#endif /*!defined(SEGMENT_SIZE)*/ + diff --git a/binutils-2.25/include/aout/hp.h b/binutils-2.25/include/aout/hp.h new file mode 100644 index 00000000..b60741a7 --- /dev/null +++ b/binutils-2.25/include/aout/hp.h @@ -0,0 +1,83 @@ +/* Special version of <a.out.h> for use under HP-UX. + Copyright 1988, 1991, 2010 Free Software Foundation, Inc. + + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +/* THIS FILE IS OBSOLETE. It needs to be revised as a variant "external" + a.out format for use with BFD. */ + +/* The `exec' structure and overall layout must be close to HP's when + we are running on an HP system, otherwise we will not be able to + execute the resulting file. */ + +/* Allow this file to be included twice. */ +#ifndef __GNU_EXEC_MACROS__ + +struct exec +{ + unsigned short a_machtype; /* machine type */ + unsigned short a_magic; /* magic number */ + unsigned long a_spare1; + unsigned long a_spare2; + unsigned long a_text; /* length of text, in bytes */ + unsigned long a_data; /* length of data, in bytes */ + unsigned long a_bss; /* length of uninitialized data area for file, in bytes */ + unsigned long a_trsize; /* length of relocation info for text, in bytes */ + unsigned long a_drsize; /* length of relocation info for data, in bytes */ + unsigned long a_spare3; /* HP = pascal interface size */ + unsigned long a_spare4; /* HP = symbol table size */ + unsigned long a_spare5; /* HP = debug name table size */ + unsigned long a_entry; /* start address */ + unsigned long a_spare6; /* HP = source line table size */ + unsigned long a_spare7; /* HP = value table size */ + unsigned long a_syms; /* length of symbol table data in file, in bytes */ + unsigned long a_spare8; +}; + +/* Tell a.out.gnu.h not to define `struct exec'. */ +#define __STRUCT_EXEC_OVERRIDE__ + +#include "../a.out.gnu.h" + +#undef N_MAGIC +#undef N_MACHTYPE +#undef N_FLAGS +#undef N_SET_INFO +#undef N_SET_MAGIC +#undef N_SET_MACHTYPE +#undef N_SET_FLAGS + +#define N_MAGIC(exec) ((exec) . a_magic) +#define N_MACHTYPE(exec) ((exec) . a_machtype) +#define N_SET_MAGIC(exec, magic) (((exec) . a_magic) = (magic)) +#define N_SET_MACHTYPE(exec, machtype) (((exec) . a_machtype) = (machtype)) + +#undef N_BADMAG +#define N_BADMAG(x) ((_N_BADMAG (x)) || (_N_BADMACH (x))) + +#define _N_BADMACH(x) \ +(((N_MACHTYPE (x)) != HP9000S200_ID) && \ + ((N_MACHTYPE (x)) != HP98x6_ID)) + +#define HP98x6_ID 0x20A +#define HP9000S200_ID 0x20C + +#undef _N_HDROFF +#define _N_HDROFF(x) (SEGMENT_SIZE - (sizeof (struct exec))) + +#define SEGMENT_SIZE 0x1000 + +#endif /* __GNU_EXEC_MACROS__ */ diff --git a/binutils-2.25/include/aout/hp300hpux.h b/binutils-2.25/include/aout/hp300hpux.h new file mode 100644 index 00000000..97a3eb58 --- /dev/null +++ b/binutils-2.25/include/aout/hp300hpux.h @@ -0,0 +1,132 @@ +/* Special version of <a.out.h> for use under HP-UX. + Copyright 1988, 1993, 1995, 2001, 2009, 2010 + Free Software Foundation, Inc. + + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +struct hp300hpux_exec_bytes +{ + unsigned char e_info[4]; /* a_machtype/a_magic */ + unsigned char e_spare1[4]; + unsigned char e_spare2[4]; + unsigned char e_text[4]; /* length of text, in bytes */ + unsigned char e_data[4]; /* length of data, in bytes */ + unsigned char e_bss[4]; /* length of uninitialized data area , in bytes */ + unsigned char e_trsize[4]; /* length of relocation info for text, in bytes*/ + unsigned char e_drsize[4]; /* length of relocation info for data, in bytes*/ + unsigned char e_passize[4];/* HP = pascal interface size */ + unsigned char e_syms[4]; /* HP = symbol table size */ + unsigned char e_spare5[4]; /* HP = debug name table size */ + unsigned char e_entry[4]; /* start address */ + unsigned char e_spare6[4]; /* HP = source line table size */ + unsigned char e_supsize[4];/* HP = value table size */ + unsigned char e_drelocs[4]; + unsigned char e_extension[4]; /* file offset of extension */ +}; +#define EXEC_BYTES_SIZE 64 + +struct hp300hpux_nlist_bytes + { + unsigned char e_value[4]; + unsigned char e_type[1]; + unsigned char e_length[1]; /* length of ascii symbol name */ + unsigned char e_almod[2]; /* alignment mod */ + unsigned char e_shlib[2]; /* info about dynamic linking */ + }; +#define EXTERNAL_NLIST_SIZE 10 + +struct hp300hpux_reloc + { + unsigned char r_address[4];/* offset of of data to relocate */ + unsigned char r_index[2]; /* symbol table index of symbol */ + unsigned char r_type[1]; /* relocation type */ + unsigned char r_length[1]; /* length of item to reloc */ + }; + +struct hp300hpux_header_extension +{ + unsigned char e_syms[4]; + unsigned char unique_headers[12*4]; + unsigned char e_header[2]; /* type of header */ + unsigned char e_version[2]; /* version */ + unsigned char e_size[4]; /* bytes following*/ + unsigned char e_extension[4];/* file offset of next extension */ +}; +#define EXTERNAL_EXTENSION_HEADER_SIZE (16*4) + +/* hpux separates object files (0x106) and impure executables (0x107) */ +/* but the bfd code does not distinguish between them. Since we want to*/ +/* read hpux .o files, we add an special define and use it below in */ +/* offset and address calculations. */ + +#define HPUX_DOT_O_MAGIC 0x106 +#define OMAGIC 0x107 /* object file or impure executable. */ +#define NMAGIC 0x108 /* Code indicating pure executable. */ +#define ZMAGIC 0x10B /* demand-paged executable. */ + +#define N_HEADER_IN_TEXT(x) 0 + +#if 0 /* libaout.h only uses the lower 8 bits */ +#define HP98x6_ID 0x20A +#define HP9000S200_ID 0x20C +#endif +#define HP98x6_ID 0x0A +#define HP9000S200_ID 0x0C + +#define N_BADMAG(x) ((_N_BADMAG (x)) || (_N_BADMACH (x))) + +#define N_DATADDR(x) \ + ((N_MAGIC (x) == OMAGIC || N_MAGIC (x) == HPUX_DOT_O_MAGIC) \ + ? (N_TXTADDR (x) + N_TXTSIZE (x)) \ + : (N_SEGSIZE (x) + ((N_TXTADDR (x) + N_TXTSIZE (x) - 1) \ + & ~ (bfd_vma) (N_SEGSIZE (x) - 1)))) + +#define _N_BADMACH(x) \ + (((N_MACHTYPE (x)) != HP9000S200_ID) && ((N_MACHTYPE (x)) != HP98x6_ID)) + +#define _N_BADMAG(x) (N_MAGIC(x) != HPUX_DOT_O_MAGIC \ + && N_MAGIC(x) != OMAGIC \ + && N_MAGIC(x) != NMAGIC \ + && N_MAGIC(x) != ZMAGIC ) + +#undef _N_HDROFF +#define _N_HDROFF(x) (SEGMENT_SIZE - (sizeof (struct exec))) + +#undef N_DATOFF +#undef N_PASOFF +#undef N_SYMOFF +#undef N_SUPOFF +#undef N_TRELOFF +#undef N_DRELOFF +#undef N_STROFF + +#define N_DATOFF(x) ( N_TXTOFF(x) + N_TXTSIZE(x) ) +#define N_PASOFF(x) ( N_DATOFF(x) + (x).a_data) +#define N_SYMOFF(x) ( N_PASOFF(x) /* + (x).a_passize*/ ) +#define N_SUPOFF(x) ( N_SYMOFF(x) + (x).a_syms ) +#define N_TRELOFF(x) ( N_SUPOFF(x) /* + 0 (x).a_supsize*/ ) +#define N_DRELOFF(x) ( N_TRELOFF(x) + (x).a_trsize ) +#define N_EXTHOFF(x) ( N_DRELOFF(x) /* + 0 (x).a_drsize */) +#define N_STROFF(x) ( 0 /* no string table */ ) + +/* use these when the file has gnu symbol tables */ +#define N_GNU_TRELOFF(x) (N_DATOFF(x) + (x).a_data) +#define N_GNU_DRELOFF(x) (N_GNU_TRELOFF(x) + (x).a_trsize) +#define N_GNU_SYMOFF(x) (N_GNU_DRELOFF(x) + (x).a_drsize) + +#define TARGET_PAGE_SIZE 0x1000 +#define SEGMENT_SIZE 0x1000 +#define TEXT_START_ADDR 0 diff --git a/binutils-2.25/include/aout/hppa.h b/binutils-2.25/include/aout/hppa.h new file mode 100644 index 00000000..24698bb3 --- /dev/null +++ b/binutils-2.25/include/aout/hppa.h @@ -0,0 +1,22 @@ +/* Copyright 2012 Free Software Foundation, Inc. + + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#include "filehdr.h" +#include "aouthdr.h" +#include "scnhdr.h" +#include "spacehdr.h" +#include "syms.h" diff --git a/binutils-2.25/include/aout/ranlib.h b/binutils-2.25/include/aout/ranlib.h new file mode 100644 index 00000000..92bec468 --- /dev/null +++ b/binutils-2.25/include/aout/ranlib.h @@ -0,0 +1,63 @@ +/* ranlib.h -- archive library index member definition for GNU. + Copyright 1990, 1991, 2010 Free Software Foundation, Inc. + + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +/* The Symdef member of an archive contains two things: + a table that maps symbol-string offsets to file offsets, + and a symbol-string table. All the symbol names are + run together (each with trailing null) in the symbol-string + table. There is a single longword bytecount on the front + of each of these tables. Thus if we have two symbols, + "foo" and "_bar", that are in archive members at offsets + 200 and 900, it would look like this: + 16 ; byte count of index table + 0 ; offset of "foo" in string table + 200 ; offset of foo-module in file + 4 ; offset of "bar" in string table + 900 ; offset of bar-module in file + 9 ; byte count of string table + "foo\0_bar\0" ; string table */ + +#define RANLIBMAG "__.SYMDEF" /* Archive file name containing index */ +#define RANLIBSKEW 3 /* Creation time offset */ + +/* Format of __.SYMDEF: + First, a longword containing the size of the 'symdef' data that follows. + Second, zero or more 'symdef' structures. + Third, a longword containing the length of symbol name strings. + Fourth, zero or more symbol name strings (each followed by a null). */ + +struct symdef + { + union + { + unsigned long string_offset; /* In the file */ + char *name; /* In memory, sometimes */ + } s; + /* this points to the front of the file header (AKA member header -- + a struct ar_hdr), not to the front of the file or into the file). + in other words it only tells you which file to read */ + unsigned long file_offset; + }; + +/* Compatability with BSD code */ + +#define ranlib symdef +#define ran_un s +#define ran_strx string_offset +#define ran_name name +#define ran_off file_offset diff --git a/binutils-2.25/include/aout/reloc.h b/binutils-2.25/include/aout/reloc.h new file mode 100644 index 00000000..6f1bc52e --- /dev/null +++ b/binutils-2.25/include/aout/reloc.h @@ -0,0 +1,67 @@ +/* reloc.h -- Header file for relocation information. + Copyright 1989, 1990, 1991, 2010 Free Software Foundation, Inc. + + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +/* Relocation types for a.out files using reloc_info_extended + (SPARC and AMD 29000). */ + +#ifndef _RELOC_H_READ_ +#define _RELOC_H_READ_ 1 + +enum reloc_type + { + RELOC_8, RELOC_16, RELOC_32, /* simple relocations */ + RELOC_DISP8, RELOC_DISP16, RELOC_DISP32, /* pc-rel displacement */ + RELOC_WDISP30, RELOC_WDISP22, + RELOC_HI22, RELOC_22, + RELOC_13, RELOC_LO10, + RELOC_SFA_BASE, RELOC_SFA_OFF13, + RELOC_BASE10, RELOC_BASE13, RELOC_BASE22, /* P.I.C. (base-relative) */ + RELOC_PC10, RELOC_PC22, /* for some sort of pc-rel P.I.C. (?) */ + RELOC_JMP_TBL, /* P.I.C. jump table */ + RELOC_SEGOFF16, /* reputedly for shared libraries somehow */ + RELOC_GLOB_DAT, RELOC_JMP_SLOT, RELOC_RELATIVE, + RELOC_11, + RELOC_WDISP2_14, + RELOC_WDISP19, + RELOC_HHI22, + RELOC_HLO10, + + /* 29K relocation types */ + RELOC_JUMPTARG, RELOC_CONST, RELOC_CONSTH, + + RELOC_WDISP14, RELOC_WDISP21, + + NO_RELOC + }; + +#define RELOC_TYPE_NAMES \ +"8", "16", "32", "DISP8", \ +"DISP16", "DISP32", "WDISP30", "WDISP22", \ +"HI22", "22", "13", "LO10", \ +"SFA_BASE", "SFAOFF13", "BASE10", "BASE13", \ +"BASE22", "PC10", "PC22", "JMP_TBL", \ +"SEGOFF16", "GLOB_DAT", "JMP_SLOT", "RELATIVE", \ +"11", "WDISP2_14", "WDISP19", "HHI22", \ +"HLO10", \ +"JUMPTARG", "CONST", "CONSTH", "WDISP14", \ +"WDISP21", \ +"NO_RELOC" + +#endif /* _RELOC_H_READ_ */ + +/* end of reloc.h */ diff --git a/binutils-2.25/include/aout/stab.def b/binutils-2.25/include/aout/stab.def new file mode 100644 index 00000000..ad1c62ed --- /dev/null +++ b/binutils-2.25/include/aout/stab.def @@ -0,0 +1,283 @@ +/* Table of DBX symbol codes for the GNU system. + Copyright 1988, 1991, 1992, 1993, 1994, 1996, 1998, 2004, 2010 + Free Software Foundation, Inc. + + 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 3 of the + License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +/* New stab from Solaris 2. This uses an n_type of 0, which in a.out files + overlaps the N_UNDF used for ordinary symbols. In ELF files, the + debug information is in a different file section, so there is no conflict. + This symbol's n_value gives the size of the string section associated + with this file. The symbol's n_strx (relative to the just-updated + string section start address) gives the name of the source file, + e.g. "foo.c", without any path information. The symbol's n_desc gives + the count of upcoming symbols associated with this file (not including + this one). */ +/* __define_stab (N_UNDF, 0x00, "UNDF") */ + +/* Global variable. Only the name is significant. + To find the address, look in the corresponding external symbol. */ +__define_stab (N_GSYM, 0x20, "GSYM") + +/* Function name for BSD Fortran. Only the name is significant. + To find the address, look in the corresponding external symbol. */ +__define_stab (N_FNAME, 0x22, "FNAME") + +/* Function name or text-segment variable for C. Value is its address. + Desc is supposedly starting line number, but GCC doesn't set it + and DBX seems not to miss it. */ +__define_stab (N_FUN, 0x24, "FUN") + +/* Data-segment variable with internal linkage. Value is its address. + "Static Sym". */ +__define_stab (N_STSYM, 0x26, "STSYM") + +/* BSS-segment variable with internal linkage. Value is its address. */ +__define_stab (N_LCSYM, 0x28, "LCSYM") + +/* Name of main routine. Only the name is significant. */ +__define_stab (N_MAIN, 0x2a, "MAIN") + +/* Solaris2: Read-only data symbols. */ +__define_stab (N_ROSYM, 0x2c, "ROSYM") + +/* MacOS X: + The beginning of a relocatable function block - including stabs. */ +__define_stab (N_BNSYM, 0x2e, "BNSYM") + +/* Global symbol in Pascal. + Supposedly the value is its line number; I'm skeptical. */ +__define_stab (N_PC, 0x30, "PC") + +/* Number of symbols: 0, files,,funcs,lines according to Ultrix V4.0. */ +__define_stab (N_NSYMS, 0x32, "NSYMS") + +/* "No DST map for sym: name, ,0,type,ignored" according to Ultrix V4.0. */ +__define_stab (N_NOMAP, 0x34, "NOMAP") + +/* New stab from Solaris 2. Like N_SO, but for the object file. Two in + a row provide the build directory and the relative path of the .o from it. + Solaris2 uses this to avoid putting the stabs info into the linked + executable; this stab goes into the ".stab.index" section, and the debugger + reads the real stabs directly from the .o files instead. */ +__define_stab (N_OBJ, 0x38, "OBJ") + +/* New stab from Solaris 2. Options for the debugger, related to the + source language for this module. E.g. whether to use ANSI + integral promotions or traditional integral promotions. */ +__define_stab (N_OPT, 0x3c, "OPT") + +/* Register variable. Value is number of register. */ +__define_stab (N_RSYM, 0x40, "RSYM") + +/* Modula-2 compilation unit. Can someone say what info it contains? */ +__define_stab (N_M2C, 0x42, "M2C") + +/* Line number in text segment. Desc is the line number; + value is corresponding address. On Solaris2, the line number is + relative to the start of the current function. */ +__define_stab (N_SLINE, 0x44, "SLINE") + +/* Similar, for data segment. */ +__define_stab (N_DSLINE, 0x46, "DSLINE") + +/* Similar, for bss segment. */ +__define_stab (N_BSLINE, 0x48, "BSLINE") + +/* Sun's source-code browser stabs. ?? Don't know what the fields are. + Supposedly the field is "path to associated .cb file". THIS VALUE + OVERLAPS WITH N_BSLINE! */ +__define_stab_duplicate (N_BROWS, 0x48, "BROWS") + +/* GNU Modula-2 definition module dependency. Value is the modification time + of the definition file. Other is non-zero if it is imported with the + GNU M2 keyword %INITIALIZE. Perhaps N_M2C can be used if there + are enough empty fields? */ +__define_stab(N_DEFD, 0x4a, "DEFD") + +/* New in Solaris2. Function start/body/end line numbers. */ +__define_stab(N_FLINE, 0x4C, "FLINE") + +/* MacOS X: This tells the end of a relocatable function + debugging info. */ +__define_stab(N_ENSYM, 0x4E, "ENSYM") + +/* THE FOLLOWING TWO STAB VALUES CONFLICT. Happily, one is for Modula-2 + and one is for C++. Still,... */ +/* GNU C++ exception variable. Name is variable name. */ +__define_stab (N_EHDECL, 0x50, "EHDECL") +/* Modula2 info "for imc": name,,0,0,0 according to Ultrix V4.0. */ +__define_stab_duplicate (N_MOD2, 0x50, "MOD2") + +/* GNU C++ `catch' clause. Value is its address. Desc is nonzero if + this entry is immediately followed by a CAUGHT stab saying what exception + was caught. Multiple CAUGHT stabs means that multiple exceptions + can be caught here. If Desc is 0, it means all exceptions are caught + here. */ +__define_stab (N_CATCH, 0x54, "CATCH") + +/* Structure or union element. Value is offset in the structure. */ +__define_stab (N_SSYM, 0x60, "SSYM") + +/* Solaris2: Last stab emitted for module. */ +__define_stab (N_ENDM, 0x62, "ENDM") + +/* Name of main source file. + Value is starting text address of the compilation. + If multiple N_SO's appear, the first to contain a trailing / is the + compilation directory. The first to not contain a trailing / is the + source file name, relative to the compilation directory. Others (perhaps + resulting from cfront) are ignored. + On Solaris2, value is undefined, but desc is a source-language code. */ + +__define_stab (N_SO, 0x64, "SO") + +/* Apple: This is the stab that associated the .o file with the + N_SO stab, in the case where debug info is mostly stored in the .o file. */ +__define_stab (N_OSO, 0x66, "OSO") + +/* SunPro F77: Name of alias. */ +__define_stab (N_ALIAS, 0x6c, "ALIAS") + +/* Automatic variable in the stack. Value is offset from frame pointer. + Also used for type descriptions. */ +__define_stab (N_LSYM, 0x80, "LSYM") + +/* Beginning of an include file. Only Sun uses this. + In an object file, only the name is significant. + The Sun linker puts data into some of the other fields. */ +__define_stab (N_BINCL, 0x82, "BINCL") + +/* Name of sub-source file (#include file). + Value is starting text address of the compilation. */ +__define_stab (N_SOL, 0x84, "SOL") + +/* Parameter variable. Value is offset from argument pointer. + (On most machines the argument pointer is the same as the frame pointer. */ +__define_stab (N_PSYM, 0xa0, "PSYM") + +/* End of an include file. No name. + This and N_BINCL act as brackets around the file's output. + In an object file, there is no significant data in this entry. + The Sun linker puts data into some of the fields. */ +__define_stab (N_EINCL, 0xa2, "EINCL") + +/* Alternate entry point. Value is its address. */ +__define_stab (N_ENTRY, 0xa4, "ENTRY") + +/* Beginning of lexical block. + The desc is the nesting level in lexical blocks. + The value is the address of the start of the text for the block. + The variables declared inside the block *precede* the N_LBRAC symbol. + On Solaris2, the value is relative to the start of the current function. */ +__define_stab (N_LBRAC, 0xc0, "LBRAC") + +/* Place holder for deleted include file. Replaces a N_BINCL and everything + up to the corresponding N_EINCL. The Sun linker generates these when + it finds multiple identical copies of the symbols from an include file. + This appears only in output from the Sun linker. */ +__define_stab (N_EXCL, 0xc2, "EXCL") + +/* Modula-2 scope information. Can someone say what info it contains? */ +__define_stab (N_SCOPE, 0xc4, "SCOPE") + +/* Solaris2: Patch Run Time Checker. */ +__define_stab (N_PATCH, 0xd0, "PATCH") + +/* End of a lexical block. Desc matches the N_LBRAC's desc. + The value is the address of the end of the text for the block. + On Solaris2, the value is relative to the start of the current function. */ +__define_stab (N_RBRAC, 0xe0, "RBRAC") + +/* Begin named common block. Only the name is significant. */ +__define_stab (N_BCOMM, 0xe2, "BCOMM") + +/* End named common block. Only the name is significant + (and it should match the N_BCOMM). */ +__define_stab (N_ECOMM, 0xe4, "ECOMM") + +/* Member of a common block; value is offset within the common block. + This should occur within a BCOMM/ECOMM pair. */ +__define_stab (N_ECOML, 0xe8, "ECOML") + +/* Solaris2: Pascal "with" statement: type,,0,0,offset */ +__define_stab (N_WITH, 0xea, "WITH") + +/* These STAB's are used on Gould systems for Non-Base register symbols + or something like that. FIXME. I have assigned the values at random + since I don't have a Gould here. Fixups from Gould folk welcome... */ +__define_stab (N_NBTEXT, 0xF0, "NBTEXT") +__define_stab (N_NBDATA, 0xF2, "NBDATA") +__define_stab (N_NBBSS, 0xF4, "NBBSS") +__define_stab (N_NBSTS, 0xF6, "NBSTS") +__define_stab (N_NBLCS, 0xF8, "NBLCS") + +/* Second symbol entry containing a length-value for the preceding entry. + The value is the length. */ +__define_stab (N_LENG, 0xfe, "LENG") + +/* The above information, in matrix format. + + STAB MATRIX + _________________________________________________ + | 00 - 1F are not dbx stab symbols | + | In most cases, the low bit is the EXTernal bit| + + | 00 UNDEF | 02 ABS | 04 TEXT | 06 DATA | + | 01 |EXT | 03 |EXT | 05 |EXT | 07 |EXT | + + | 08 BSS | 0A INDR | 0C FN_SEQ | 0E WEAKA | + | 09 |EXT | 0B | 0D WEAKU | 0F WEAKT | + + | 10 WEAKD | 12 COMM | 14 SETA | 16 SETT | + | 11 WEAKB | 13 | 15 | 17 | + + | 18 SETD | 1A SETB | 1C SETV | 1E WARNING| + | 19 | 1B | 1D | 1F FN | + + |_______________________________________________| + | Debug entries with bit 01 set are unused. | + | 20 GSYM | 22 FNAME | 24 FUN | 26 STSYM | + | 28 LCSYM | 2A MAIN | 2C ROSYM | 2E | + | 30 PC | 32 NSYMS | 34 NOMAP | 36 | + | 38 OBJ | 3A | 3C OPT | 3E | + | 40 RSYM | 42 M2C | 44 SLINE | 46 DSLINE | + | 48 BSLINE*| 4A DEFD | 4C FLINE | 4E | + | 50 EHDECL*| 52 | 54 CATCH | 56 | + | 58 | 5A | 5C | 5E | + | 60 SSYM | 62 ENDM | 64 SO | 66 | + | 68 | 6A | 6C ALIAS | 6E | + | 70 | 72 | 74 | 76 | + | 78 | 7A | 7C | 7E | + | 80 LSYM | 82 BINCL | 84 SOL | 86 | + | 88 | 8A | 8C | 8E | + | 90 | 92 | 94 | 96 | + | 98 | 9A | 9C | 9E | + | A0 PSYM | A2 EINCL | A4 ENTRY | A6 | + | A8 | AA | AC | AE | + | B0 | B2 | B4 | B6 | + | B8 | BA | BC | BE | + | C0 LBRAC | C2 EXCL | C4 SCOPE | C6 | + | C8 | CA | CC | CE | + | D0 PATCH | D2 | D4 | D6 | + | D8 | DA | DC | DE | + | E0 RBRAC | E2 BCOMM | E4 ECOMM | E6 | + | E8 ECOML | EA WITH | EC | EE | + | F0 | F2 | F4 | F6 | + | F8 | FA | FC | FE LENG | + +-----------------------------------------------+ + * 50 EHDECL is also MOD2. + * 48 BSLINE is also BROWS. + */ diff --git a/binutils-2.25/include/aout/stab_gnu.h b/binutils-2.25/include/aout/stab_gnu.h new file mode 100644 index 00000000..60b5272c --- /dev/null +++ b/binutils-2.25/include/aout/stab_gnu.h @@ -0,0 +1,55 @@ +/* gnu_stab.h Definitions for GNU extensions to STABS + + Copyright 2001, 2010 Free Software Foundation, Inc. + + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ +#ifndef __GNU_STAB__ + +/* Indicate the GNU stab.h is in use. */ + +#define __GNU_STAB__ + +#define __define_stab(NAME, CODE, STRING) NAME=CODE, +#define __define_stab_duplicate(NAME, CODE, STRING) NAME=CODE, + +enum __stab_debug_code +{ +#include "aout/stab.def" +LAST_UNUSED_STAB_CODE +}; + +#undef __define_stab + +/* Definitions of "desc" field for N_SO stabs in Solaris2. */ + +#define N_SO_AS 1 +#define N_SO_C 2 +#define N_SO_ANSI_C 3 +#define N_SO_CC 4 /* C++ */ +#define N_SO_FORTRAN 5 +#define N_SO_PASCAL 6 + +/* Solaris2: Floating point type values in basic types. */ + +#define NF_NONE 0 +#define NF_SINGLE 1 /* IEEE 32-bit */ +#define NF_DOUBLE 2 /* IEEE 64-bit */ +#define NF_COMPLEX 3 /* Fortran complex */ +#define NF_COMPLEX16 4 /* Fortran double complex */ +#define NF_COMPLEX32 5 /* Fortran complex*16 */ +#define NF_LDOUBLE 6 /* Long double (whatever that is) */ + +#endif /* __GNU_STAB_ */ diff --git a/binutils-2.25/include/aout/sun4.h b/binutils-2.25/include/aout/sun4.h new file mode 100644 index 00000000..06f7584c --- /dev/null +++ b/binutils-2.25/include/aout/sun4.h @@ -0,0 +1,239 @@ +/* SPARC-specific values for a.out files + + Copyright 2001, 2009, 2010 Free Software Foundation, Inc. + + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +/* Some systems, e.g., AIX, may have defined this in header files already + included. */ +#undef TARGET_PAGE_SIZE +#define TARGET_PAGE_SIZE 0x2000 /* 8K. aka NBPG in <sys/param.h> */ +/* Note that some SPARCs have 4K pages, some 8K, some others. */ + +#define SEG_SIZE_SPARC TARGET_PAGE_SIZE +#define SEG_SIZE_SUN3 0x20000 /* Resolution of r/w protection hw */ + +#define TEXT_START_ADDR TARGET_PAGE_SIZE /* Location 0 is not accessible */ +#define N_HEADER_IN_TEXT(x) 1 + +/* Non-default definitions of the accessor macros... */ + +/* Segment size varies on Sun-3 versus Sun-4. */ + +#define N_SEGSIZE(x) (N_MACHTYPE(x) == M_SPARC? SEG_SIZE_SPARC: \ + N_MACHTYPE(x) == M_68020? SEG_SIZE_SUN3: \ + /* Guess? */ TARGET_PAGE_SIZE) + +/* Virtual Address of text segment from the a.out file. For OMAGIC, + (almost always "unlinked .o's" these days), should be zero. + Sun added a kludge so that shared libraries linked ZMAGIC get + an address of zero if a_entry (!!!) is lower than the otherwise + expected text address. These kludges have gotta go! + For linked files, should reflect reality if we know it. */ + +#define N_SHARED_LIB(x) ((x).a_entry < TEXT_START_ADDR \ + && (x).a_text >= EXEC_BYTES_SIZE) + +/* This differs from the version in aout64.h (which we override by defining + it here) only for NMAGIC (we return TEXT_START_ADDR+EXEC_BYTES_SIZE; + they return 0). */ + +#define N_TXTADDR(x) \ + (N_MAGIC(x)==OMAGIC? 0 \ + : (N_MAGIC(x) == ZMAGIC && (x).a_entry < TEXT_START_ADDR)? 0 \ + : TEXT_START_ADDR+EXEC_BYTES_SIZE) + +/* When a file is linked against a shared library on SunOS 4, the + dynamic bit in the exec header is set, and the first symbol in the + symbol table is __DYNAMIC. Its value is the address of the + following structure. */ + +struct external_sun4_dynamic +{ + /* The version number of the structure. SunOS 4.1.x creates files + with version number 3, which is what this structure is based on. + According to gdb, version 2 is similar. I believe that version 2 + used a different type of procedure linkage table, and there may + have been other differences. */ + bfd_byte ld_version[4]; + /* The virtual address of a 28 byte structure used in debugging. + The contents are filled in at run time by ld.so. */ + bfd_byte ldd[4]; + /* The virtual address of another structure with information about + how to relocate the executable at run time. */ + bfd_byte ld[4]; +}; + +/* The size of the debugging structure pointed to by the debugger + field of __DYNAMIC. */ +#define EXTERNAL_SUN4_DYNAMIC_DEBUGGER_SIZE (24) + +/* The structure pointed to by the linker field of __DYNAMIC. As far + as I can tell, most of the addresses in this structure are offsets + within the file, but some are actually virtual addresses. */ + +struct internal_sun4_dynamic_link +{ + /* Linked list of loaded objects. This is filled in at runtime by + ld.so and probably by dlopen. */ + unsigned long ld_loaded; + + /* The address of the list of names of shared objects which must be + included at runtime. Each entry in the list is 16 bytes: the 4 + byte address of the string naming the object (e.g., for -lc this + is "c"); 4 bytes of flags--the high bit is whether to search for + the object using the library path; the 2 byte major version + number; the 2 byte minor version number; the 4 byte address of + the next entry in the list (zero if this is the last entry). The + version numbers seem to only be non-zero when doing library + searching. */ + unsigned long ld_need; + + /* The address of the path to search for the shared objects which + must be included. This points to a string in PATH format which + is generated from the -L arguments to the linker. According to + the man page, ld.so implicitly adds ${LD_LIBRARY_PATH} to the + beginning of this string and /lib:/usr/lib:/usr/local/lib to the + end. The string is terminated by a null byte. This field is + zero if there is no additional path. */ + unsigned long ld_rules; + + /* The address of the global offset table. This appears to be a + virtual address, not a file offset. The first entry in the + global offset table seems to be the virtual address of the + sun4_dynamic structure (the same value as the __DYNAMIC symbol). + The global offset table is used for PIC code to hold the + addresses of variables. A dynamically linked file which does not + itself contain PIC code has a four byte global offset table. */ + unsigned long ld_got; + + /* The address of the procedure linkage table. This appears to be a + virtual address, not a file offset. + + On a SPARC, the table is composed of 12 byte entries, each of + which consists of three instructions. The first entry is + sethi %hi(0),%g1 + jmp %g1 + nop + These instructions are changed by ld.so into a jump directly into + ld.so itself. Each subsequent entry is + save %sp, -96, %sp + call <address of first entry in procedure linkage table> + <reloc_number | 0x01000000> + The reloc_number is the number of the reloc to use to resolve + this entry. The reloc will be a JMP_SLOT reloc against some + symbol that is not defined in this object file but should be + defined in a shared object (if it is not, ld.so will report a + runtime error and exit). The constant 0x010000000 turns the + reloc number into a sethi of %g0, which does nothing since %g0 is + hardwired to zero. + + When one of these entries is executed, it winds up calling into + ld.so. ld.so looks at the reloc number, available via the return + address, to determine which entry this is. It then looks at the + reloc and patches up the entry in the table into a sethi and jmp + to the real address followed by a nop. This means that the reloc + lookup only has to happen once, and it also means that the + relocation only needs to be done if the function is actually + called. The relocation is expensive because ld.so must look up + the symbol by name. + + The size of the procedure linkage table is given by the ld_plt_sz + field. */ + unsigned long ld_plt; + + /* The address of the relocs. These are in the same format as + ordinary relocs. Symbol index numbers refer to the symbols + pointed to by ld_stab. I think the only way to determine the + number of relocs is to assume that all the bytes from ld_rel to + ld_hash contain reloc entries. */ + unsigned long ld_rel; + + /* The address of a hash table of symbols. The hash table has + roughly the same number of entries as there are dynamic symbols; + I think the only way to get the exact size is to assume that + every byte from ld_hash to ld_stab is devoted to the hash table. + + Each entry in the hash table is eight bytes. The first four + bytes are a symbol index into the dynamic symbols. The second + four bytes are the index of the next hash table entry in the + bucket. The ld_buckets field gives the number of buckets, say B. + The first B entries in the hash table each start a bucket which + is chained through the second four bytes of each entry. A value + of zero ends the chain. + + The hash function is simply + h = 0; + while (*string != '\0') + h = (h << 1) + *string++; + h &= 0x7fffffff; + + To look up a symbol, compute the hash value of the name. Take + the modulos of hash value and the number of buckets. Start at + that entry in the hash table. See if the symbol (from the first + four bytes of the hash table entry) has the name you are looking + for. If not, use the chain field (the second four bytes of the + hash table entry) to move on to the next entry in this bucket. + If the chain field is zero you have reached the end of the + bucket, and the symbol is not in the hash table. */ + unsigned long ld_hash; + + /* The address of the symbol table. This is a list of + external_nlist structures. The string indices are relative to + the ld_symbols field. I think the only way to determine the + number of symbols is to assume that all the bytes between ld_stab + and ld_symbols are external_nlist structures. */ + unsigned long ld_stab; + + /* I don't know what this is for. It seems to always be zero. */ + unsigned long ld_stab_hash; + + /* The number of buckets in the hash table. */ + unsigned long ld_buckets; + + /* The address of the symbol string table. The first string in this + string table need not be the empty string. */ + unsigned long ld_symbols; + + /* The size in bytes of the symbol string table. */ + unsigned long ld_symb_size; + + /* The size in bytes of the text segment. */ + unsigned long ld_text; + + /* The size in bytes of the procedure linkage table. */ + unsigned long ld_plt_sz; +}; + +/* The external form of the structure. */ + +struct external_sun4_dynamic_link +{ + bfd_byte ld_loaded[4]; + bfd_byte ld_need[4]; + bfd_byte ld_rules[4]; + bfd_byte ld_got[4]; + bfd_byte ld_plt[4]; + bfd_byte ld_rel[4]; + bfd_byte ld_hash[4]; + bfd_byte ld_stab[4]; + bfd_byte ld_stab_hash[4]; + bfd_byte ld_buckets[4]; + bfd_byte ld_symbols[4]; + bfd_byte ld_symb_size[4]; + bfd_byte ld_text[4]; + bfd_byte ld_plt_sz[4]; +}; |