diff options
| -rw-r--r-- | bfd/ChangeLog | 2 | ||||
| -rw-r--r-- | bfd/coff-a29k.c | 584 | ||||
| -rw-r--r-- | bfd/cpu-a29k.c | 39 | ||||
| -rw-r--r-- | include/coff/ChangeLog | 4 | ||||
| -rw-r--r-- | include/coff/a29k.h | 148 | ||||
| -rw-r--r-- | include/opcode/ChangeLog | 4 | ||||
| -rw-r--r-- | include/opcode/a29k.h | 281 | ||||
| -rw-r--r-- | opcodes/ChangeLog | 1 | ||||
| -rw-r--r-- | opcodes/a29k-dis.c | 358 |
9 files changed, 11 insertions, 1410 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 4a168c8eba8..1d94768961c 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,5 +1,7 @@ 2005-08-18 Alan Modra <amodra@bigpond.net.au> + * coff-a29k.c: Delete. + * cpu-a29k.c: Delete. * Makefile.am: Remove mention of a29k files. * aoutf1.h: Remove a29k support. * aoutx.h: Likewise. diff --git a/bfd/coff-a29k.c b/bfd/coff-a29k.c deleted file mode 100644 index e369ee8713a..00000000000 --- a/bfd/coff-a29k.c +++ /dev/null @@ -1,584 +0,0 @@ -/* BFD back-end for AMD 29000 COFF binaries. - Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1997, 1999, 2000, 2001, - 2002, 2003, 2004 - Free Software Foundation, Inc. - Contributed by David Wood at New York University 7/8/91. - -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 -(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. */ - -#define A29K 1 - -#include "bfd.h" -#include "sysdep.h" -#include "libbfd.h" -#include "coff/a29k.h" -#include "coff/internal.h" -#include "libcoff.h" - -static long get_symbol_value PARAMS ((asymbol *)); -static bfd_reloc_status_type a29k_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static bfd_boolean coff_a29k_relocate_section - PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, - struct internal_reloc *, struct internal_syment *, asection **)); -static bfd_boolean coff_a29k_adjust_symndx - PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, - struct internal_reloc *, bfd_boolean *)); -static void reloc_processing - PARAMS ((arelent *, struct internal_reloc *, asymbol **, bfd *, asection *)); - -#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2) - -#define INSERT_HWORD(WORD,HWORD) \ - (((WORD) & 0xff00ff00) | (((HWORD) & 0xff00) << 8) | ((HWORD)& 0xff)) -#define EXTRACT_HWORD(WORD) \ - ((((WORD) & 0x00ff0000) >> 8) | ((WORD) & 0xff)) -#define SIGN_EXTEND_HWORD(HWORD) \ - (((HWORD) ^ 0x8000) - 0x8000) - -/* Provided the symbol, returns the value reffed. */ - -static long -get_symbol_value (symbol) - asymbol *symbol; -{ - long relocation = 0; - - if (bfd_is_com_section (symbol->section)) - relocation = 0; - else - relocation = symbol->value + - symbol->section->output_section->vma + - symbol->section->output_offset; - - return relocation; -} - -/* This function is in charge of performing all the 29k relocations. */ - -static bfd_reloc_status_type -a29k_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd, - error_message) - bfd *abfd; - arelent *reloc_entry; - asymbol *symbol_in; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message; -{ - /* The consth relocation comes in two parts, we have to remember - the state between calls, in these variables. */ - static bfd_boolean part1_consth_active = FALSE; - static unsigned long part1_consth_value; - unsigned long insn; - unsigned long sym_value; - unsigned long unsigned_value; - unsigned short r_type; - long signed_value; - unsigned long addr = reloc_entry->address ; /*+ input_section->vma*/ - bfd_byte *hit_data =addr + (bfd_byte *) (data); - - r_type = reloc_entry->howto->type; - - if (output_bfd) - { - /* Partial linking - do nothing. */ - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - - if (symbol_in != NULL - && bfd_is_und_section (symbol_in->section)) - { - /* Keep the state machine happy in case we're called again. */ - if (r_type == R_IHIHALF) - { - part1_consth_active = TRUE; - part1_consth_value = 0; - } - return bfd_reloc_undefined; - } - - if ((part1_consth_active) && (r_type != R_IHCONST)) - { - part1_consth_active = FALSE; - *error_message = (char *) _("Missing IHCONST"); - - return bfd_reloc_dangerous; - } - - sym_value = get_symbol_value(symbol_in); - - switch (r_type) - { - case R_IREL: - insn = bfd_get_32 (abfd, hit_data); - /* Take the value in the field and sign extend it. */ - signed_value = EXTRACT_HWORD(insn); - signed_value = SIGN_EXTEND_HWORD(signed_value); - signed_value <<= 2; - - /* See the note on the R_IREL reloc in coff_a29k_relocate_section. */ - if (signed_value == - (long) reloc_entry->address) - signed_value = 0; - - signed_value += sym_value + reloc_entry->addend; - if ((signed_value & ~0x3ffff) == 0) - { /* Absolute jmp/call */ - insn |= (1 << 24); /* Make it absolute */ - /* FIXME: Should we change r_type to R_IABS. */ - } - else - { - /* Relative jmp/call, so subtract from the value the - address of the place we're coming from. */ - signed_value -= (reloc_entry->address - + input_section->output_section->vma - + input_section->output_offset); - if (signed_value > 0x1ffff || signed_value < -0x20000) - return bfd_reloc_overflow; - } - signed_value >>= 2; - insn = INSERT_HWORD (insn, signed_value); - bfd_put_32 (abfd, (bfd_vma) insn ,hit_data); - break; - case R_ILOHALF: - insn = bfd_get_32 (abfd, hit_data); - unsigned_value = EXTRACT_HWORD(insn); - unsigned_value += sym_value + reloc_entry->addend; - insn = INSERT_HWORD(insn, unsigned_value); - bfd_put_32 (abfd, (bfd_vma) insn, hit_data); - break; - case R_IHIHALF: - insn = bfd_get_32 (abfd, hit_data); - /* consth, part 1 - Just get the symbol value that is referenced. */ - part1_consth_active = TRUE; - part1_consth_value = sym_value + reloc_entry->addend; - /* Don't modify insn until R_IHCONST. */ - break; - case R_IHCONST: - insn = bfd_get_32 (abfd, hit_data); - /* consth, part 2 - Now relocate the reference. */ - if (! part1_consth_active) - { - *error_message = (char *) _("Missing IHIHALF"); - return bfd_reloc_dangerous; - } - /* sym_ptr_ptr = r_symndx, in coff_slurp_reloc_table() */ - unsigned_value = 0; /*EXTRACT_HWORD(insn) << 16;*/ - unsigned_value += reloc_entry->addend; /* r_symndx */ - unsigned_value += part1_consth_value; - unsigned_value = unsigned_value >> 16; - insn = INSERT_HWORD(insn, unsigned_value); - part1_consth_active = FALSE; - bfd_put_32 (abfd, (bfd_vma) insn, hit_data); - break; - case R_BYTE: - insn = bfd_get_8 (abfd, hit_data); - unsigned_value = insn + sym_value + reloc_entry->addend; - if (unsigned_value & 0xffffff00) - return bfd_reloc_overflow; - bfd_put_8 (abfd, unsigned_value, hit_data); - break; - case R_HWORD: - insn = bfd_get_16 (abfd, hit_data); - unsigned_value = insn + sym_value + reloc_entry->addend; - if (unsigned_value & 0xffff0000) - return bfd_reloc_overflow; - bfd_put_16 (abfd, (bfd_vma) insn, hit_data); - break; - case R_WORD: - insn = bfd_get_32 (abfd, hit_data); - insn += sym_value + reloc_entry->addend; - bfd_put_32 (abfd, (bfd_vma) insn, hit_data); - break; - default: - *error_message = _("Unrecognized reloc"); - return bfd_reloc_dangerous; - } - - return(bfd_reloc_ok); -} - -/*FIXME: I'm not real sure about this table. */ -static reloc_howto_type howto_table[] = - { - {R_ABS, 0, 3, 32, FALSE, 0, complain_overflow_bitfield,a29k_reloc,"ABS", TRUE, 0xffffffff,0xffffffff, FALSE}, - EMPTY_HOWTO (1), - EMPTY_HOWTO (2), - EMPTY_HOWTO (3), - EMPTY_HOWTO (4), - EMPTY_HOWTO (5), - EMPTY_HOWTO (6), - EMPTY_HOWTO (7), - EMPTY_HOWTO (8), - EMPTY_HOWTO (9), - EMPTY_HOWTO (10), - EMPTY_HOWTO (11), - EMPTY_HOWTO (12), - EMPTY_HOWTO (13), - EMPTY_HOWTO (14), - EMPTY_HOWTO (15), - EMPTY_HOWTO (16), - EMPTY_HOWTO (17), - EMPTY_HOWTO (18), - EMPTY_HOWTO (19), - EMPTY_HOWTO (20), - EMPTY_HOWTO (21), - EMPTY_HOWTO (22), - EMPTY_HOWTO (23), - {R_IREL, 0, 3, 32, TRUE, 0, complain_overflow_signed,a29k_reloc,"IREL", TRUE, 0xffffffff,0xffffffff, FALSE}, - {R_IABS, 0, 3, 32, FALSE, 0, complain_overflow_bitfield, a29k_reloc,"IABS", TRUE, 0xffffffff,0xffffffff, FALSE}, - {R_ILOHALF, 0, 3, 16, TRUE, 0, complain_overflow_signed, a29k_reloc,"ILOHALF", TRUE, 0x0000ffff,0x0000ffff, FALSE}, - {R_IHIHALF, 0, 3, 16, TRUE, 16, complain_overflow_signed, a29k_reloc,"IHIHALF", TRUE, 0xffff0000,0xffff0000, FALSE}, - {R_IHCONST, 0, 3, 16, TRUE, 0, complain_overflow_signed, a29k_reloc,"IHCONST", TRUE, 0xffff0000,0xffff0000, FALSE}, - {R_BYTE, 0, 0, 8, FALSE, 0, complain_overflow_bitfield, a29k_reloc,"BYTE", TRUE, 0x000000ff,0x000000ff, FALSE}, - {R_HWORD, 0, 1, 16, FALSE, 0, complain_overflow_bitfield, a29k_reloc,"HWORD", TRUE, 0x0000ffff,0x0000ffff, FALSE}, - {R_WORD, 0, 2, 32, FALSE, 0, complain_overflow_bitfield, a29k_reloc,"WORD", TRUE, 0xffffffff,0xffffffff, FALSE}, - }; - -#define BADMAG(x) A29KBADMAG(x) - -#define RELOC_PROCESSING(relent, reloc, symbols, abfd, section) \ - reloc_processing(relent, reloc, symbols, abfd, section) - -static void -reloc_processing (relent,reloc, symbols, abfd, section) - arelent *relent; - struct internal_reloc *reloc; - asymbol **symbols; - bfd *abfd; - asection *section; -{ - static bfd_vma ihihalf_vaddr = (bfd_vma) -1; - - relent->address = reloc->r_vaddr; - relent->howto = howto_table + reloc->r_type; - if (reloc->r_type == R_IHCONST) - { - /* The address of an R_IHCONST should always be the address of - the immediately preceding R_IHIHALF. relocs generated by gas - are correct, but relocs generated by High C are different (I - can't figure out what the address means for High C). We can - handle both gas and High C by ignoring the address here, and - simply reusing the address saved for R_IHIHALF. */ - if (ihihalf_vaddr == (bfd_vma) -1) - abort (); - relent->address = ihihalf_vaddr; - ihihalf_vaddr = (bfd_vma) -1; - relent->addend = reloc->r_symndx; - relent->sym_ptr_ptr= bfd_abs_section_ptr->symbol_ptr_ptr; - } - else - { - asymbol *ptr; - - relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx]; - - ptr = *(relent->sym_ptr_ptr); - - if (ptr - && bfd_asymbol_bfd(ptr) == abfd - && ((ptr->flags & BSF_OLD_COMMON) == 0)) - relent->addend = 0; - else - relent->addend = 0; - - relent->address-= section->vma; - if (reloc->r_type == R_IHIHALF) - ihihalf_vaddr = relent->address; - else if (ihihalf_vaddr != (bfd_vma) -1) - abort (); - } -} - -/* The reloc processing routine for the optimized COFF linker. */ - -static bfd_boolean -coff_a29k_relocate_section (output_bfd, info, input_bfd, input_section, - contents, relocs, syms, sections) - bfd *output_bfd ATTRIBUTE_UNUSED; - struct bfd_link_info *info; - bfd *input_bfd; - asection *input_section; - bfd_byte *contents; - struct internal_reloc *relocs; - struct internal_syment *syms; - asection **sections; -{ - struct internal_reloc *rel; - struct internal_reloc *relend; - bfd_boolean hihalf; - bfd_vma hihalf_val; - - /* If we are performing a relocatable link, we don't need to do a - thing. The caller will take care of adjusting the reloc - addresses and symbol indices. */ - if (info->relocatable) - return TRUE; - - hihalf = FALSE; - hihalf_val = 0; - - rel = relocs; - relend = rel + input_section->reloc_count; - for (; rel < relend; rel++) - { - long symndx; - bfd_byte *loc; - struct coff_link_hash_entry *h; - struct internal_syment *sym; - asection *sec; - bfd_vma val; - bfd_boolean overflow; - unsigned long insn; - long signed_value; - unsigned long unsigned_value; - bfd_reloc_status_type rstat; - - symndx = rel->r_symndx; - loc = contents + rel->r_vaddr - input_section->vma; - - if (symndx == -1 || rel->r_type == R_IHCONST) - h = NULL; - else - h = obj_coff_sym_hashes (input_bfd)[symndx]; - - sym = NULL; - sec = NULL; - val = 0; - - /* An R_IHCONST reloc does not have a symbol. Instead, the - symbol index is an addend. R_IHCONST is always used in - conjunction with R_IHHALF. */ - if (rel->r_type != R_IHCONST) - { - if (h == NULL) - { - if (symndx == -1) - sec = bfd_abs_section_ptr; - else - { - sym = syms + symndx; - sec = sections[symndx]; - val = (sec->output_section->vma - + sec->output_offset - + sym->n_value - - sec->vma); - } - } - else - { - if ( h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak) - { - sec = h->root.u.def.section; - val = (h->root.u.def.value - + sec->output_section->vma - + sec->output_offset); - } - else - { - if (! ((*info->callbacks->undefined_symbol) - (info, h->root.root.string, input_bfd, input_section, - rel->r_vaddr - input_section->vma, TRUE))) - return FALSE; - } - } - - if (hihalf) - { - if (! ((*info->callbacks->reloc_dangerous) - (info, _("missing IHCONST reloc"), input_bfd, - input_section, rel->r_vaddr - input_section->vma))) - return FALSE; - hihalf = FALSE; - } - } - - overflow = FALSE; - - switch (rel->r_type) - { - default: - bfd_set_error (bfd_error_bad_value); - return FALSE; - - case R_IREL: - insn = bfd_get_32 (input_bfd, loc); - - /* Extract the addend. */ - signed_value = EXTRACT_HWORD (insn); - signed_value = SIGN_EXTEND_HWORD (signed_value); - signed_value <<= 2; - - /* Unfortunately, there are two different versions of COFF - a29k. In the original AMD version, the value stored in - the field for the R_IREL reloc is a simple addend. In - the GNU version, the value is the negative of the address - of the reloc within section. We try to cope here by - assuming the AMD version, unless the addend is exactly - the negative of the address; in the latter case we assume - the GNU version. This means that something like - .text - nop - jmp i-4 - will fail, because the addend of -4 will happen to equal - the negative of the address within the section. The - compiler will never generate code like this. - - At some point in the future we may want to take out this - check. */ - - if (signed_value == - (long) (rel->r_vaddr - input_section->vma)) - signed_value = 0; - - /* Determine the destination of the jump. */ - signed_value += val; - - if ((signed_value & ~0x3ffff) == 0) - { - /* We can use an absolute jump. */ - insn |= (1 << 24); - } - else - { - /* Make the destination PC relative. */ - signed_value -= (input_section->output_section->vma - + input_section->output_offset - + (rel->r_vaddr - input_section->vma)); - if (signed_value > 0x1ffff || signed_value < - 0x20000) - { - overflow = TRUE; - signed_value = 0; - } - } - - /* Put the adjusted value back into the instruction. */ - signed_value >>= 2; - insn = INSERT_HWORD (insn, signed_value); - - bfd_put_32 (input_bfd, (bfd_vma) insn, loc); - break; - - case R_ILOHALF: - insn = bfd_get_32 (input_bfd, loc); - unsigned_value = EXTRACT_HWORD (insn); - unsigned_value += val; - insn = INSERT_HWORD (insn, unsigned_value); - bfd_put_32 (input_bfd, (bfd_vma) insn, loc); - break; - - case R_IHIHALF: - /* Save the value for the R_IHCONST reloc. */ - hihalf = TRUE; - hihalf_val = val; - break; - - case R_IHCONST: - if (! hihalf) - { - if (! ((*info->callbacks->reloc_dangerous) - (info, _("missing IHIHALF reloc"), input_bfd, - input_section, rel->r_vaddr - input_section->vma))) - return FALSE; - hihalf_val = 0; - } - - insn = bfd_get_32 (input_bfd, loc); - unsigned_value = rel->r_symndx + hihalf_val; - unsigned_value >>= 16; - insn = INSERT_HWORD (insn, unsigned_value); - bfd_put_32 (input_bfd, (bfd_vma) insn, loc); - - hihalf = FALSE; - - break; - - case R_BYTE: - case R_HWORD: - case R_WORD: - rstat = _bfd_relocate_contents (howto_table + rel->r_type, - input_bfd, val, loc); - if (rstat == bfd_reloc_overflow) - overflow = TRUE; - else if (rstat != bfd_reloc_ok) - abort (); - break; - } - - if (overflow) - { - const char *name; - char buf[SYMNMLEN + 1]; - - if (symndx == -1) - name = "*ABS*"; - else if (h != NULL) - name = NULL; - else if (sym == NULL) - name = "*unknown*"; - else if (sym->_n._n_n._n_zeroes == 0 - && sym->_n._n_n._n_offset != 0) - name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset; - else - { - strncpy (buf, sym->_n._n_name, SYMNMLEN); - buf[SYMNMLEN] = '\0'; - name = buf; - } - - if (! ((*info->callbacks->reloc_overflow) - (info, (h ? &h->root : NULL), name, - howto_table[rel->r_type].name, (bfd_vma) 0, input_bfd, - input_section, rel->r_vaddr - input_section->vma))) - return FALSE; - } - } - - return TRUE; -} - -#define coff_relocate_section coff_a29k_relocate_section - -/* We don't want to change the symndx of a R_IHCONST reloc, since it - is actually an addend, not a symbol index at all. */ - -static bfd_boolean -coff_a29k_adjust_symndx (obfd, info, ibfd, sec, irel, adjustedp) - bfd *obfd ATTRIBUTE_UNUSED; - struct bfd_link_info *info ATTRIBUTE_UNUSED; - bfd *ibfd ATTRIBUTE_UNUSED; - asection *sec ATTRIBUTE_UNUSED; - struct internal_reloc *irel; - bfd_boolean *adjustedp; -{ - if (irel->r_type == R_IHCONST) - *adjustedp = TRUE; - else - *adjustedp = FALSE; - return TRUE; -} - -#define coff_adjust_symndx coff_a29k_adjust_symndx - -#include "coffcode.h" - -CREATE_BIG_COFF_TARGET_VEC (a29kcoff_big_vec, "coff-a29k-big", 0, SEC_READONLY, '_', NULL, COFF_SWAP_TABLE) diff --git a/bfd/cpu-a29k.c b/bfd/cpu-a29k.c deleted file mode 100644 index 7eebe63e4f8..00000000000 --- a/bfd/cpu-a29k.c +++ /dev/null @@ -1,39 +0,0 @@ -/* BFD support for the AMD 29000 architecture. - Copyright 1992, 2000, 2002 Free Software Foundation, Inc. - Hacked by Steve Chamberlain of Cygnus Support. - -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 -(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 "bfd.h" -#include "sysdep.h" -#include "libbfd.h" - -const bfd_arch_info_type bfd_a29k_arch = - { - 32, /* 32 bits in a word */ - 32, /* 32 bits in an address */ - 8, /* 8 bits in a byte */ - bfd_arch_a29k, - 0, /* only 1 machine */ - "a29k", - "a29k", - 4, - TRUE, /* the one and only */ - bfd_default_compatible, - bfd_default_scan , - 0, - }; diff --git a/include/coff/ChangeLog b/include/coff/ChangeLog index c4ff60d7ce0..ca201a12a63 100644 --- a/include/coff/ChangeLog +++ b/include/coff/ChangeLog @@ -1,3 +1,7 @@ +2005-08-18 Alan Modra <amodra@bigpond.net.au> + + * a29k.h: Delete. + 2005-07-14 Daniel Marques <marques@cs.cornell.edu> * alpha.h (ALPHA_ECOFF_COMPRESSEDMAG): Define. diff --git a/include/coff/a29k.h b/include/coff/a29k.h deleted file mode 100644 index 61dc8e0586f..00000000000 --- a/include/coff/a29k.h +++ /dev/null @@ -1,148 +0,0 @@ -/* COFF spec for AMD 290*0 - - Copyright 2001 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 2 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. - - Contributed by David Wood @ New York University. */ - -#ifndef AMD -# define AMD -#endif - -#define L_LNNO_SIZE 2 -#include "coff/external.h" - -/* -** Magic numbers for Am29000 -** (AT&T will assign the "real" magic number) -*/ - -#define SIPFBOMAGIC 0572 /* Am29000 (Byte 0 is MSB) */ -#define SIPRBOMAGIC 0573 /* Am29000 (Byte 0 is LSB) */ - -#define A29K_MAGIC_BIG SIPFBOMAGIC -#define A29K_MAGIC_LITTLE SIPRBOMAGIC -#define A29KBADMAG(x) ( ((x).f_magic != A29K_MAGIC_BIG) && \ - ((x).f_magic != A29K_MAGIC_LITTLE)) - -#define OMAGIC A29K_MAGIC_BIG -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ - -/* -** File header flags currently known to us. -** -** Am29000 will use the F_AR32WR and F_AR32W flags to indicate -** the byte ordering in the file. -*/ - -/*--------------------------------------------------------------*/ - - -/* aouthdr magic numbers */ -#define NMAGIC 0410 /* separate i/d executable */ -#define SHMAGIC 0406 /* NYU/Ultra3 shared data executable - (writable text) */ -#undef _ETEXT -#define _ETEXT "_etext" - -/*--------------------------------------------------------------*/ - - -/* More names of "special" sections. */ -#define _LIT ".lit" - -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ - -/* -** Section types - with additional section type for global -** registers which will be relocatable for the Am29000. -** -** In instances where it is necessary for a linker to produce an -** output file which contains text or data not based at virtual -** address 0, e.g. for a ROM, then the linker should accept -** address base information as command input and use PAD sections -** to skip over unused addresses. -*/ - -#define STYP_BSSREG 0x1200 /* Global register area (like STYP_INFO) */ -#define STYP_ENVIR 0x2200 /* Environment (like STYP_INFO) */ -#define STYP_ABS 0x4000 /* Absolute (allocated, not reloc, loaded) */ - -/*--------------------------------------------------------------*/ - -/* -** Relocation information declaration and related definitions -*/ - -struct external_reloc -{ - char r_vaddr[4]; /* (virtual) address of reference */ - char r_symndx[4]; /* index into symbol table */ - char r_type[2]; /* relocation type */ -}; - -#define RELOC struct external_reloc -#define RELSZ 10 /* sizeof (RELOC) */ - -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ - -/* -** Relocation types for the Am29000 -*/ - -#define R_ABS 0 /* reference is absolute */ - -#define R_IREL 030 /* instruction relative (jmp/call) */ -#define R_IABS 031 /* instruction absolute (jmp/call) */ -#define R_ILOHALF 032 /* instruction low half (const) */ -#define R_IHIHALF 033 /* instruction high half (consth) part 1 */ -#define R_IHCONST 034 /* instruction high half (consth) part 2 */ - /* constant offset of R_IHIHALF relocation */ -#define R_BYTE 035 /* relocatable byte value */ -#define R_HWORD 036 /* relocatable halfword value */ -#define R_WORD 037 /* relocatable word value */ - -#define R_IGLBLRC 040 /* instruction global register RC */ -#define R_IGLBLRA 041 /* instruction global register RA */ -#define R_IGLBLRB 042 /* instruction global register RB */ - -/* -NOTE: -All the "I" forms refer to 29000 instruction formats. The linker is -expected to know how the numeric information is split and/or aligned -within the instruction word(s). R_BYTE works for instructions, too. - -If the parameter to a CONSTH instruction is a relocatable type, two -relocation records are written. The first has an r_type of R_IHIHALF -(33 octal) and a normal r_vaddr and r_symndx. The second relocation -record has an r_type of R_IHCONST (34 octal), a normal r_vaddr (which -is redundant), and an r_symndx containing the 32-bit constant offset -to the relocation instead of the actual symbol table index. This -second record is always written, even if the constant offset is zero. -The constant fields of the instruction are set to zero. -*/ - -/*--------------------------------------------------------------*/ - -/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/ - -/* -** Storage class definitions - new classes for global registers. -*/ - -#define C_GLBLREG 19 /* global register */ -#define C_EXTREG 20 /* external global register */ -#define C_DEFREG 21 /* ext. def. of global register */ diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog index 0ebc464b583..4a41461a30d 100644 --- a/include/opcode/ChangeLog +++ b/include/opcode/ChangeLog @@ -1,3 +1,7 @@ +2005-08-18 Alan Modra <amodra@bigpond.net.au> + + * a29k.h: Delete. + 2005-08-15 Daniel Jacobowitz <dan@codesourcery.com> * ppc.h (PPC_OPCODE_E300): Define. diff --git a/include/opcode/a29k.h b/include/opcode/a29k.h deleted file mode 100644 index 656a93755fd..00000000000 --- a/include/opcode/a29k.h +++ /dev/null @@ -1,281 +0,0 @@ -/* Table of opcodes for the AMD 29000 family. - Copyright 1990, 1991, 1993, 1994, 2002 Free Software Foundation, Inc. - -This file is part of GDB and GAS. - -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 -(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 a29k_opcode { - /* Name of the instruction. */ - char *name; - - /* Opcode word */ - unsigned long opcode; - - /* A string of characters which describe the operands. - Valid characters are: - , Itself. The character appears in the assembly code. - a RA. The register number is in bits 8-15 of the instruction. - b RB. The register number is in bits 0-7 of the instruction. - c RC. The register number is in bits 16-23 of the instruction. - i An immediate operand is in bits 0-7 of the instruction. - x Bits 0-7 and 16-23 of the instruction are bits 0-7 and 8-15 - (respectively) of the immediate operand. - h Same as x but the instruction contains bits 16-31 of the - immediate operand. - X Same as x but bits 16-31 of the signed immediate operand - are set to 1 (thus the operand is always negative). - P,A Bits 0-7 and 16-23 of the instruction are bits 2-9 and 10-17 - (respectively) of the immediate operand. - P=PC-relative, sign-extended to 32 bits. - A=Absolute, zero-extended to 32 bits. - e CE bit (bit 23) for a load/store instruction. - n Control field (bits 16-22) for a load/store instruction. - v Immediate operand in bits 16-23 of the instruction. - (used for trap numbers). - s SA. Special-purpose register number in bits 8-15 - of the instruction. - u UI--bit 7 of the instruction. - r RND--bits 4-6 of the instruction. - d FD--bits 2-3 of the instruction. - f FS--bits 0-1 of the instruction. - I ID--bits 16-17 of the instruction. - - Extensions for 29050: - - d FMT--bits 2-3 of the instruction (not really new). - f ACN--bits 0-1 of the instruction (not really new). - F FUNC--Special function in bits 18-21 of the instruction. - C ACN--bits 16-17 specifying the accumlator register. */ - char *args; -}; - -static const struct a29k_opcode a29k_opcodes[] = -{ - -{ "add", 0x14000000, "c,a,b" }, -{ "add", 0x15000000, "c,a,i" }, -{ "addc", 0x1c000000, "c,a,b" }, -{ "addc", 0x1d000000, "c,a,i" }, -{ "addcs", 0x18000000, "c,a,b" }, -{ "addcs", 0x19000000, "c,a,i" }, -{ "addcu", 0x1a000000, "c,a,b" }, -{ "addcu", 0x1b000000, "c,a,i" }, -{ "adds", 0x10000000, "c,a,b" }, -{ "adds", 0x11000000, "c,a,i" }, -{ "addu", 0x12000000, "c,a,b" }, -{ "addu", 0x13000000, "c,a,i" }, -{ "and", 0x90000000, "c,a,b" }, -{ "and", 0x91000000, "c,a,i" }, -{ "andn", 0x9c000000, "c,a,b" }, -{ "andn", 0x9d000000, "c,a,i" }, -{ "aseq", 0x70000000, "v,a,b" }, -{ "aseq", 0x71000000, "v,a,i" }, -{ "asge", 0x5c000000, "v,a,b" }, -{ "asge", 0x5d000000, "v,a,i" }, -{ "asgeu", 0x5e000000, "v,a,b" }, -{ "asgeu", 0x5f000000, "v,a,i" }, -{ "asgt", 0x58000000, "v,a,b" }, -{ "asgt", 0x59000000, "v,a,i" }, -{ "asgtu", 0x5a000000, "v,a,b" }, -{ "asgtu", 0x5b000000, "v,a,i" }, -{ "asle", 0x54000000, "v,a,b" }, -{ "asle", 0x55000000, "v,a,i" }, -{ "asleu", 0x56000000, "v,a,b" }, -{ "asleu", 0x57000000, "v,a,i" }, -{ "aslt", 0x50000000, "v,a,b" }, -{ "aslt", 0x51000000, "v,a,i" }, -{ "asltu", 0x52000000, "v,a,b" }, -{ "asltu", 0x53000000, "v,a,i" }, -{ "asneq", 0x72000000, "v,a,b" }, -{ "asneq", 0x73000000, "v,a,i" }, -{ "call", 0xa8000000, "a,P" }, -{ "call", 0xa9000000, "a,A" }, -{ "calli", 0xc8000000, "a,b" }, -{ "class", 0xe6000000, "c,a,f" }, -{ "clz", 0x08000000, "c,b" }, -{ "clz", 0x09000000, "c,i" }, -{ "const", 0x03000000, "a,x" }, -{ "consth", 0x02000000, "a,h" }, -{ "consthz", 0x05000000, "a,h" }, -{ "constn", 0x01000000, "a,X" }, -{ "convert", 0xe4000000, "c,a,u,r,d,f" }, -{ "cpbyte", 0x2e000000, "c,a,b" }, -{ "cpbyte", 0x2f000000, "c,a,i" }, -{ "cpeq", 0x60000000, "c,a,b" }, -{ "cpeq", 0x61000000, "c,a,i" }, -{ "cpge", 0x4c000000, "c,a,b" }, -{ "cpge", 0x4d000000, "c,a,i" }, -{ "cpgeu", 0x4e000000, "c,a,b" }, -{ "cpgeu", 0x4f000000, "c,a,i" }, -{ "cpgt", 0x48000000, "c,a,b" }, -{ "cpgt", 0x49000000, "c,a,i" }, -{ "cpgtu", 0x4a000000, "c,a,b" }, -{ "cpgtu", 0x4b000000, "c,a,i" }, -{ "cple", 0x44000000, "c,a,b" }, -{ "cple", 0x45000000, "c,a,i" }, -{ "cpleu", 0x46000000, "c,a,b" }, -{ "cpleu", 0x47000000, "c,a,i" }, -{ "cplt", 0x40000000, "c,a,b" }, -{ "cplt", 0x41000000, "c,a,i" }, -{ "cpltu", 0x42000000, "c,a,b" }, -{ "cpltu", 0x43000000, "c,a,i" }, -{ "cpneq", 0x62000000, "c,a,b" }, -{ "cpneq", 0x63000000, "c,a,i" }, -{ "dadd", 0xf1000000, "c,a,b" }, -{ "ddiv", 0xf7000000, "c,a,b" }, -{ "deq", 0xeb000000, "c,a,b" }, -{ "dge", 0xef000000, "c,a,b" }, -{ "dgt", 0xed000000, "c,a,b" }, -{ "div", 0x6a000000, "c,a,b" }, -{ "div", 0x6b000000, "c,a,i" }, -{ "div0", 0x68000000, "c,b" }, -{ "div0", 0x69000000, "c,i" }, -{ "divide", 0xe1000000, "c,a,b" }, -{ "dividu", 0xe3000000, "c,a,b" }, -{ "divl", 0x6c000000, "c,a,b" }, -{ "divl", 0x6d000000, "c,a,i" }, -{ "divrem", 0x6e000000, "c,a,b" }, -{ "divrem", 0x6f000000, "c,a,i" }, -{ "dmac", 0xd9000000, "F,C,a,b" }, -{ "dmsm", 0xdb000000, "c,a,b" }, -{ "dmul", 0xf5000000, "c,a,b" }, -{ "dsub", 0xf3000000, "c,a,b" }, -{ "emulate", 0xd7000000, "v,a,b" }, -{ "exbyte", 0x0a000000, "c,a,b" }, -{ "exbyte", 0x0b000000, "c,a,i" }, -{ "exhw", 0x7c000000, "c,a,b" }, -{ "exhw", 0x7d000000, "c,a,i" }, -{ "exhws", 0x7e000000, "c,a" }, -{ "extract", 0x7a000000, "c,a,b" }, -{ "extract", 0x7b000000, "c,a,i" }, -{ "fadd", 0xf0000000, "c,a,b" }, -{ "fdiv", 0xf6000000, "c,a,b" }, -{ "fdmul", 0xf9000000, "c,a,b" }, -{ "feq", 0xea000000, "c,a,b" }, -{ "fge", 0xee000000, "c,a,b" }, -{ "fgt", 0xec000000, "c,a,b" }, -{ "fmac", 0xd8000000, "F,C,a,b" }, -{ "fmsm", 0xda000000, "c,a,b" }, -{ "fmul", 0xf4000000, "c,a,b" }, -{ "fsub", 0xf2000000, "c,a,b" }, -{ "halt", 0x89000000, "" }, -{ "inbyte", 0x0c000000, "c,a,b" }, -{ "inbyte", 0x0d000000, "c,a,i" }, -{ "inhw", 0x78000000, "c,a,b" }, -{ "inhw", 0x79000000, "c,a,i" }, -{ "inv", 0x9f000000, "I" }, -{ "iret", 0x88000000, "" }, -{ "iretinv", 0x8c000000, "I" }, -{ "jmp", 0xa0000000, "P" }, -{ "jmp", 0xa1000000, "A" }, -{ "jmpf", 0xa4000000, "a,P" }, -{ "jmpf", 0xa5000000, "a,A" }, -{ "jmpfdec", 0xb4000000, "a,P" }, -{ "jmpfdec", 0xb5000000, "a,A" }, -{ "jmpfi", 0xc4000000, "a,b" }, -{ "jmpi", 0xc0000000, "b" }, -{ "jmpt", 0xac000000, "a,P" }, -{ "jmpt", 0xad000000, "a,A" }, -{ "jmpti", 0xcc000000, "a,b" }, -{ "load", 0x16000000, "e,n,a,b" }, -{ "load", 0x17000000, "e,n,a,i" }, -{ "loadl", 0x06000000, "e,n,a,b" }, -{ "loadl", 0x07000000, "e,n,a,i" }, -{ "loadm", 0x36000000, "e,n,a,b" }, -{ "loadm", 0x37000000, "e,n,a,i" }, -{ "loadset", 0x26000000, "e,n,a,b" }, -{ "loadset", 0x27000000, "e,n,a,i" }, -{ "mfacc", 0xe9000100, "c,d,f" }, -{ "mfsr", 0xc6000000, "c,s" }, -{ "mftlb", 0xb6000000, "c,a" }, -{ "mtacc", 0xe8010000, "a,d,f" }, -{ "mtsr", 0xce000000, "s,b" }, -{ "mtsrim", 0x04000000, "s,x" }, -{ "mttlb", 0xbe000000, "a,b" }, -{ "mul", 0x64000000, "c,a,b" }, -{ "mul", 0x65000000, "c,a,i" }, -{ "mull", 0x66000000, "c,a,b" }, -{ "mull", 0x67000000, "c,a,i" }, -{ "multiplu", 0xe2000000, "c,a,b" }, -{ "multiply", 0xe0000000, "c,a,b" }, -{ "multm", 0xde000000, "c,a,b" }, -{ "multmu", 0xdf000000, "c,a,b" }, -{ "mulu", 0x74000000, "c,a,b" }, -{ "mulu", 0x75000000, "c,a,i" }, -{ "nand", 0x9a000000, "c,a,b" }, -{ "nand", 0x9b000000, "c,a,i" }, -{ "nop", 0x70400101, "" }, -{ "nor", 0x98000000, "c,a,b" }, -{ "nor", 0x99000000, "c,a,i" }, -{ "or", 0x92000000, "c,a,b" }, -{ "or", 0x93000000, "c,a,i" }, -{ "orn", 0xaa000000, "c,a,b" }, -{ "orn", 0xab000000, "c,a,i" }, - -/* The description of "setip" in Chapter 8 ("instruction set") of the user's - manual claims that these are absolute register numbers. But section - 7.2.1 explains that they are not. The latter is correct, so print - these normally ("lr0", "lr5", etc.). */ -{ "setip", 0x9e000000, "c,a,b" }, - -{ "sll", 0x80000000, "c,a,b" }, -{ "sll", 0x81000000, "c,a,i" }, -{ "sqrt", 0xe5000000, "c,a,f" }, -{ "sra", 0x86000000, "c,a,b" }, -{ "sra", 0x87000000, "c,a,i" }, -{ "srl", 0x82000000, "c,a,b" }, -{ "srl", 0x83000000, "c,a,i" }, -{ "store", 0x1e000000, "e,n,a,b" }, -{ "store", 0x1f000000, "e,n,a,i" }, -{ "storel", 0x0e000000, "e,n,a,b" }, -{ "storel", 0x0f000000, "e,n,a,i" }, -{ "storem", 0x3e000000, "e,n,a,b" }, -{ "storem", 0x3f000000, "e,n,a,i" }, -{ "sub", 0x24000000, "c,a,b" }, -{ "sub", 0x25000000, "c,a,i" }, -{ "subc", 0x2c000000, "c,a,b" }, -{ "subc", 0x2d000000, "c,a,i" }, -{ "subcs", 0x28000000, "c,a,b" }, -{ "subcs", 0x29000000, "c,a,i" }, -{ "subcu", 0x2a000000, "c,a,b" }, -{ "subcu", 0x2b000000, "c,a,i" }, -{ "subr", 0x34000000, "c,a,b" }, -{ "subr", 0x35000000, "c,a,i" }, -{ "subrc", 0x3c000000, "c,a,b" }, -{ "subrc", 0x3d000000, "c,a,i" }, -{ "subrcs", 0x38000000, "c,a,b" }, -{ "subrcs", 0x39000000, "c,a,i" }, -{ "subrcu", 0x3a000000, "c,a,b" }, -{ "subrcu", 0x3b000000, "c,a,i" }, -{ "subrs", 0x30000000, "c,a,b" }, -{ "subrs", 0x31000000, "c,a,i" }, -{ "subru", 0x32000000, "c,a,b" }, -{ "subru", 0x33000000, "c,a,i" }, -{ "subs", 0x20000000, "c,a,b" }, -{ "subs", 0x21000000, "c,a,i" }, -{ "subu", 0x22000000, "c,a,b" }, -{ "subu", 0x23000000, "c,a,i" }, -{ "xnor", 0x96000000, "c,a,b" }, -{ "xnor", 0x97000000, "c,a,i" }, -{ "xor", 0x94000000, "c,a,b" }, -{ "xor", 0x95000000, "c,a,i" }, - -{ "", 0x0, "" } /* Dummy entry, not included in NUM_OPCODES. This - lets code examine entry i+1 without checking - if we've run off the end of the table. */ -}; - -const unsigned int num_opcodes = (((sizeof a29k_opcodes) / (sizeof a29k_opcodes[0])) - 1); diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 577ee0169e7..0db082ce115 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,5 +1,6 @@ 2005-08-18 Alan Modra <amodra@bigpond.net.au> + * a29k-dis.c: Delete. * Makefile.am: Remove a29k support. * configure.in: Likewise. * disassemble.c: Likewise. diff --git a/opcodes/a29k-dis.c b/opcodes/a29k-dis.c deleted file mode 100644 index 861e51be104..00000000000 --- a/opcodes/a29k-dis.c +++ /dev/null @@ -1,358 +0,0 @@ -/* Instruction printing code for the AMD 29000 - Copyright 1990, 1993, 1994, 1995, 1998, 2000, 2001, 2002 - Free Software Foundation, Inc. - Contributed by Cygnus Support. Written by Jim Kingdon. - - This file is part of GDB and GNU Binutils. - - 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 - (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 "sysdep.h" -#include "dis-asm.h" -#include "opcode/a29k.h" - -/* Print a symbolic representation of a general-purpose - register number NUM on STREAM. - NUM is a number as found in the instruction, not as found in - debugging symbols; it must be in the range 0-255. */ - -static void -print_general (int num, struct disassemble_info *info) -{ - if (num < 128) - (*info->fprintf_func) (info->stream, "gr%d", num); - else - (*info->fprintf_func) (info->stream, "lr%d", num - 128); -} - -/* Like print_general but a special-purpose register. - - The mnemonics used by the AMD assembler are not quite the same - as the ones in the User's Manual. We use the ones that the - assembler uses. */ - -static void -print_special (unsigned int num, struct disassemble_info *info) -{ - /* Register names of registers 0-SPEC0_NUM-1. */ - static char *spec0_names[] = - { - "vab", "ops", "cps", "cfg", "cha", "chd", "chc", "rbp", "tmc", "tmr", - "pc0", "pc1", "pc2", "mmu", "lru", "rsn", "rma0", "rmc0", "rma1", "rmc1", - "spc0", "spc1", "spc2", "iba0", "ibc0", "iba1", "ibc1", "dba", "dbc", - "cir", "cdr" - }; -#define SPEC0_NUM ((sizeof spec0_names) / (sizeof spec0_names[0])) - - /* Register names of registers 128-128+SPEC128_NUM-1. */ - static char *spec128_names[] = - { - "ipc", "ipa", "ipb", "q", "alu", "bp", "fc", "cr" - }; -#define SPEC128_NUM ((sizeof spec128_names) / (sizeof spec128_names[0])) - - /* Register names of registers 160-160+SPEC160_NUM-1. */ - static char *spec160_names[] = - { - "fpe", "inte", "fps", "sr163", "exop" - }; -#define SPEC160_NUM ((sizeof spec160_names) / (sizeof spec160_names[0])) - - if (num < SPEC0_NUM) - (*info->fprintf_func) (info->stream, spec0_names[num]); - else if (num >= 128 && num < 128 + SPEC128_NUM) - (*info->fprintf_func) (info->stream, spec128_names[num-128]); - else if (num >= 160 && num < 160 + SPEC160_NUM) - (*info->fprintf_func) (info->stream, spec160_names[num-160]); - else - (*info->fprintf_func) (info->stream, "sr%d", num); -} - -/* Is an instruction with OPCODE a delayed branch? */ - -static int -is_delayed_branch (int opcode) -{ - return (opcode == 0xa8 || opcode == 0xa9 || opcode == 0xa0 || opcode == 0xa1 - || opcode == 0xa4 || opcode == 0xa5 - || opcode == 0xb4 || opcode == 0xb5 - || opcode == 0xc4 || opcode == 0xc0 - || opcode == 0xac || opcode == 0xad - || opcode == 0xcc); -} - -/* Now find the four bytes of INSN and put them in *INSN{0,8,16,24}. */ - -static void -find_bytes_big (char *insn, - unsigned char *insn0, - unsigned char *insn8, - unsigned char *insn16, - unsigned char *insn24) -{ - *insn24 = insn[0]; - *insn16 = insn[1]; - *insn8 = insn[2]; - *insn0 = insn[3]; -} - -static void -find_bytes_little (char *insn, - unsigned char *insn0, - unsigned char *insn8, - unsigned char *insn16, - unsigned char *insn24) -{ - *insn24 = insn[3]; - *insn16 = insn[2]; - *insn8 = insn[1]; - *insn0 = insn[0]; -} - -typedef void (*find_byte_func_type) - (char *, unsigned char *, unsigned char *, - unsigned char *, unsigned char *); - -/* Print one instruction from MEMADDR on INFO->STREAM. - Return the size of the instruction (always 4 on a29k). */ - -static int -print_insn (bfd_vma memaddr, struct disassemble_info *info) -{ - /* The raw instruction. */ - char insn[4]; - - /* The four bytes of the instruction. */ - unsigned char insn24, insn16, insn8, insn0; - - find_byte_func_type find_byte_func = (find_byte_func_type)info->private_data; - - struct a29k_opcode const * opcode; - - { - int status = - (*info->read_memory_func) (memaddr, (bfd_byte *) &insn[0], 4, info); - if (status != 0) - { - (*info->memory_error_func) (status, memaddr, info); - return -1; - } - } - - (*find_byte_func) (insn, &insn0, &insn8, &insn16, &insn24); - - printf ("%02x%02x%02x%02x ", insn24, insn16, insn8, insn0); - - /* Handle the nop (aseq 0x40,gr1,gr1) specially. */ - if ( (insn24 == 0x70) - && (insn16 == 0x40) - && (insn8 == 0x01) - && (insn0 == 0x01)) - { - (*info->fprintf_func) (info->stream,"nop"); - return 4; - } - - /* The opcode is always in insn24. */ - for (opcode = &a29k_opcodes[0]; - opcode < &a29k_opcodes[num_opcodes]; - ++opcode) - { - if (((unsigned long) insn24 << 24) == opcode->opcode) - { - char *s; - - (*info->fprintf_func) (info->stream, "%s ", opcode->name); - for (s = opcode->args; *s != '\0'; ++s) - { - switch (*s) - { - case 'a': - print_general (insn8, info); - break; - - case 'b': - print_general (insn0, info); - break; - - case 'c': - print_general (insn16, info); - break; - - case 'i': - (*info->fprintf_func) (info->stream, "%d", insn0); - break; - - case 'x': - (*info->fprintf_func) (info->stream, "0x%x", - (insn16 << 8) + insn0); - break; - - case 'h': - /* This used to be %x for binutils. */ - (*info->fprintf_func) (info->stream, "0x%x", - (insn16 << 24) + (insn0 << 16)); - break; - - case 'X': - (*info->fprintf_func) (info->stream, "%d", - ((insn16 << 8) + insn0) | 0xffff0000); - break; - - case 'P': - /* This output looks just like absolute addressing, but - maybe that's OK (it's what the GDB m68k and EBMON - a29k disassemblers do). */ - /* All the shifting is to sign-extend it. p*/ - (*info->print_address_func) - (memaddr + - (((int)((insn16 << 10) + (insn0 << 2)) << 14) >> 14), - info); - break; - - case 'A': - (*info->print_address_func) - ((insn16 << 10) + (insn0 << 2), info); - break; - - case 'e': - (*info->fprintf_func) (info->stream, "%d", insn16 >> 7); - break; - - case 'n': - (*info->fprintf_func) (info->stream, "0x%x", insn16 & 0x7f); - break; - - case 'v': - (*info->fprintf_func) (info->stream, "0x%x", insn16); - break; - - case 's': - print_special (insn8, info); - break; - - case 'u': - (*info->fprintf_func) (info->stream, "%d", insn0 >> 7); - break; - - case 'r': - (*info->fprintf_func) (info->stream, "%d", (insn0 >> 4) & 7); - break; - - case 'I': - if ((insn16 & 3) != 0) - (*info->fprintf_func) (info->stream, "%d", insn16 & 3); - break; - - case 'd': - (*info->fprintf_func) (info->stream, "%d", (insn0 >> 2) & 3); - break; - - case 'f': - (*info->fprintf_func) (info->stream, "%d", insn0 & 3); - break; - - case 'F': - (*info->fprintf_func) (info->stream, "%d", - (insn16 >> 2) & 15); - break; - - case 'C': - (*info->fprintf_func) (info->stream, "%d", insn16 & 3); - break; - - default: - (*info->fprintf_func) (info->stream, "%c", *s); - } - } - - /* Now we look for a const,consth pair of instructions, - in which case we try to print the symbolic address. */ - if (insn24 == 2) /* consth */ - { - int errcode; - char prev_insn[4]; - unsigned char prev_insn0, prev_insn8, prev_insn16, prev_insn24; - - errcode = (*info->read_memory_func) (memaddr - 4, - (bfd_byte *) &prev_insn[0], - 4, - info); - if (errcode == 0) - { - /* If it is a delayed branch, we need to look at the - instruction before the delayed brach to handle - things like - - const _foo - call _printf - consth _foo - */ - (*find_byte_func) (prev_insn, & prev_insn0, & prev_insn8, - & prev_insn16, & prev_insn24); - if (is_delayed_branch (prev_insn24)) - { - errcode = (*info->read_memory_func) - (memaddr - 8, (bfd_byte *) & prev_insn[0], 4, info); - (*find_byte_func) (prev_insn, & prev_insn0, & prev_insn8, - & prev_insn16, & prev_insn24); - } - } - - /* If there was a problem reading memory, then assume - the previous instruction was not const. */ - if (errcode == 0) - { - /* Is it const to the same register? */ - if (prev_insn24 == 3 - && prev_insn8 == insn8) - { - (*info->fprintf_func) (info->stream, "\t; "); - (*info->print_address_func) - (((insn16 << 24) + (insn0 << 16) - + (prev_insn16 << 8) + (prev_insn0)), - info); - } - } - } - - return 4; - } - } - /* This used to be %8x for binutils. */ - (*info->fprintf_func) - (info->stream, ".word 0x%08x", - (insn24 << 24) + (insn16 << 16) + (insn8 << 8) + insn0); - return 4; -} - -/* Disassemble an big-endian a29k instruction. */ - -int -print_insn_big_a29k (bfd_vma memaddr, struct disassemble_info *info) -{ - info->private_data = (PTR) find_bytes_big; - return print_insn (memaddr, info); -} - -/* Disassemble a little-endian a29k instruction. */ - -int -print_insn_little_a29k (bfd_vma memaddr, struct disassemble_info *info) -{ - info->private_data = (PTR) find_bytes_little; - return print_insn (memaddr, info); -} |