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author | Nick Clifton <nickc@redhat.com> | 2005-07-01 11:16:33 +0000 |
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committer | Nick Clifton <nickc@redhat.com> | 2005-07-01 11:16:33 +0000 |
commit | 47b0e7ad8c60ea4b45b22ad5cb376f068991bc88 (patch) | |
tree | bb27e86679b3604624116e9a81be6bb3bd7353f2 /opcodes/m10300-dis.c | |
parent | e4e8248d79d8461adf8b0cf22086e85a4c9ee0a4 (diff) | |
download | gdb-47b0e7ad8c60ea4b45b22ad5cb376f068991bc88.zip gdb-47b0e7ad8c60ea4b45b22ad5cb376f068991bc88.tar.gz gdb-47b0e7ad8c60ea4b45b22ad5cb376f068991bc88.tar.bz2 |
Update function declarations to ISO C90 formatting
Diffstat (limited to 'opcodes/m10300-dis.c')
-rw-r--r-- | opcodes/m10300-dis.c | 451 |
1 files changed, 221 insertions, 230 deletions
diff --git a/opcodes/m10300-dis.c b/opcodes/m10300-dis.c index acd5e4c..158490e 100644 --- a/opcodes/m10300-dis.c +++ b/opcodes/m10300-dis.c @@ -1,21 +1,21 @@ /* Disassemble MN10300 instructions. - Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2003 + Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2005 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 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. */ + 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 <stdio.h> @@ -24,202 +24,17 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. #include "dis-asm.h" #include "opintl.h" -static void disassemble PARAMS ((bfd_vma, struct disassemble_info *, - unsigned long insn, unsigned int)); - #define HAVE_AM33_2 (info->mach == AM33_2) -#define HAVE_AM33 (info->mach == AM33 || HAVE_AM33_2) -#define HAVE_AM30 (info->mach == AM30) - -int -print_insn_mn10300 (memaddr, info) - bfd_vma memaddr; - struct disassemble_info *info; -{ - int status; - bfd_byte buffer[4]; - unsigned long insn; - unsigned int consume; - - /* First figure out how big the opcode is. */ - status = (*info->read_memory_func) (memaddr, buffer, 1, info); - if (status != 0) - { - (*info->memory_error_func) (status, memaddr, info); - return -1; - } - insn = *(unsigned char *) buffer; - - /* These are one byte insns. */ - if ((insn & 0xf3) == 0x00 - || (insn & 0xf0) == 0x10 - || (insn & 0xfc) == 0x3c - || (insn & 0xf3) == 0x41 - || (insn & 0xf3) == 0x40 - || (insn & 0xfc) == 0x50 - || (insn & 0xfc) == 0x54 - || (insn & 0xf0) == 0x60 - || (insn & 0xf0) == 0x70 - || ((insn & 0xf0) == 0x80 - && (insn & 0x0c) >> 2 != (insn & 0x03)) - || ((insn & 0xf0) == 0x90 - && (insn & 0x0c) >> 2 != (insn & 0x03)) - || ((insn & 0xf0) == 0xa0 - && (insn & 0x0c) >> 2 != (insn & 0x03)) - || ((insn & 0xf0) == 0xb0 - && (insn & 0x0c) >> 2 != (insn & 0x03)) - || (insn & 0xff) == 0xcb - || (insn & 0xfc) == 0xd0 - || (insn & 0xfc) == 0xd4 - || (insn & 0xfc) == 0xd8 - || (insn & 0xf0) == 0xe0 - || (insn & 0xff) == 0xff) - { - consume = 1; - } - - /* These are two byte insns. */ - else if ((insn & 0xf0) == 0x80 - || (insn & 0xf0) == 0x90 - || (insn & 0xf0) == 0xa0 - || (insn & 0xf0) == 0xb0 - || (insn & 0xfc) == 0x20 - || (insn & 0xfc) == 0x28 - || (insn & 0xf3) == 0x43 - || (insn & 0xf3) == 0x42 - || (insn & 0xfc) == 0x58 - || (insn & 0xfc) == 0x5c - || ((insn & 0xf0) == 0xc0 - && (insn & 0xff) != 0xcb - && (insn & 0xff) != 0xcc - && (insn & 0xff) != 0xcd) - || (insn & 0xff) == 0xf0 - || (insn & 0xff) == 0xf1 - || (insn & 0xff) == 0xf2 - || (insn & 0xff) == 0xf3 - || (insn & 0xff) == 0xf4 - || (insn & 0xff) == 0xf5 - || (insn & 0xff) == 0xf6) - { - status = (*info->read_memory_func) (memaddr, buffer, 2, info); - if (status != 0) - { - (*info->memory_error_func) (status, memaddr, info); - return -1; - } - insn = bfd_getb16 (buffer); - consume = 2; - } - - /* These are three byte insns. */ - else if ((insn & 0xff) == 0xf8 - || (insn & 0xff) == 0xcc - || (insn & 0xff) == 0xf9 - || (insn & 0xf3) == 0x01 - || (insn & 0xf3) == 0x02 - || (insn & 0xf3) == 0x03 - || (insn & 0xfc) == 0x24 - || (insn & 0xfc) == 0x2c - || (insn & 0xfc) == 0x30 - || (insn & 0xfc) == 0x34 - || (insn & 0xfc) == 0x38 - || (insn & 0xff) == 0xde - || (insn & 0xff) == 0xdf - || (insn & 0xff) == 0xf9 - || (insn & 0xff) == 0xcc) - { - status = (*info->read_memory_func) (memaddr, buffer, 2, info); - if (status != 0) - { - (*info->memory_error_func) (status, memaddr, info); - return -1; - } - insn = bfd_getb16 (buffer); - insn <<= 8; - status = (*info->read_memory_func) (memaddr + 2, buffer, 1, info); - if (status != 0) - { - (*info->memory_error_func) (status, memaddr, info); - return -1; - } - insn |= *(unsigned char *) buffer; - consume = 3; - } - - /* These are four byte insns. */ - else if ((insn & 0xff) == 0xfa - || (insn & 0xff) == 0xf7 - || (insn & 0xff) == 0xfb) - { - status = (*info->read_memory_func) (memaddr, buffer, 4, info); - if (status != 0) - { - (*info->memory_error_func) (status, memaddr, info); - return -1; - } - insn = bfd_getb32 (buffer); - consume = 4; - } - - /* These are five byte insns. */ - else if ((insn & 0xff) == 0xcd - || (insn & 0xff) == 0xdc) - { - status = (*info->read_memory_func) (memaddr, buffer, 4, info); - if (status != 0) - { - (*info->memory_error_func) (status, memaddr, info); - return -1; - } - insn = bfd_getb32 (buffer); - consume = 5; - } - - /* These are six byte insns. */ - else if ((insn & 0xff) == 0xfd - || (insn & 0xff) == 0xfc) - { - status = (*info->read_memory_func) (memaddr, buffer, 4, info); - if (status != 0) - { - (*info->memory_error_func) (status, memaddr, info); - return -1; - } - - insn = bfd_getb32 (buffer); - consume = 6; - } - - /* Else its a seven byte insns (in theory). */ - else - { - status = (*info->read_memory_func) (memaddr, buffer, 4, info); - if (status != 0) - { - (*info->memory_error_func) (status, memaddr, info); - return -1; - } - - insn = bfd_getb32 (buffer); - consume = 7; - /* Handle the 5-byte extended instruction codes. */ - if ((insn & 0xfff80000) == 0xfe800000) - consume = 5; - } - - disassemble (memaddr, info, insn, consume); - - return consume; -} +#define HAVE_AM33 (info->mach == AM33 || HAVE_AM33_2) +#define HAVE_AM30 (info->mach == AM30) static void -disassemble (memaddr, info, insn, size) - bfd_vma memaddr; - struct disassemble_info *info; - unsigned long insn; - unsigned int size; +disassemble (bfd_vma memaddr, + struct disassemble_info *info, + unsigned long insn, + unsigned int size) { - struct mn10300_opcode *op = (struct mn10300_opcode *)mn10300_opcodes; + struct mn10300_opcode *op = (struct mn10300_opcode *) mn10300_opcodes; const struct mn10300_operand *operand; bfd_byte buffer[4]; unsigned long extension = 0; @@ -282,21 +97,18 @@ disassemble (memaddr, info, insn, size) extra_shift = 0; if (size == 1 || size == 2) - { - extension = 0; - } + extension = 0; + else if (size == 3 && (op->format == FMT_D1 || op->opcode == 0xdf0000 || op->opcode == 0xde0000)) - { - extension = 0; - } + extension = 0; + else if (size == 3 && op->format == FMT_D6) - { - extension = 0; - } + extension = 0; + else if (size == 3) { insn &= 0xff0000; @@ -314,15 +126,13 @@ disassemble (memaddr, info, insn, size) && (op->opcode == 0xfaf80000 || op->opcode == 0xfaf00000 || op->opcode == 0xfaf40000)) - { - extension = 0; - } + extension = 0; + else if (size == 4 && (op->format == FMT_D7 || op->format == FMT_D10)) - { - extension = 0; - } + extension = 0; + else if (size == 4) { insn &= 0xffff0000; @@ -339,6 +149,7 @@ disassemble (memaddr, info, insn, size) else if (size == 5 && op->opcode == 0xdc000000) { unsigned long temp = 0; + status = (*info->read_memory_func) (memaddr + 1, buffer, 4, info); if (status != 0) { @@ -373,6 +184,7 @@ disassemble (memaddr, info, insn, size) else if (size == 5) { unsigned long temp = 0; + status = (*info->read_memory_func) (memaddr + 1, buffer, 2, info); if (status != 0) { @@ -414,6 +226,7 @@ disassemble (memaddr, info, insn, size) else if (size == 6) { unsigned long temp = 0; + status = (*info->read_memory_func) (memaddr + 2, buffer, 4, info); if (status != 0) { @@ -442,6 +255,7 @@ disassemble (memaddr, info, insn, size) else if (size == 7 && op->opcode == 0xdd000000) { unsigned long temp = 0; + status = (*info->read_memory_func) (memaddr + 1, buffer, 4, info); if (status != 0) { @@ -465,6 +279,7 @@ disassemble (memaddr, info, insn, size) else if (size == 7) { unsigned long temp = 0; + status = (*info->read_memory_func) (memaddr + 2, buffer, 4, info); if (status != 0) { @@ -506,6 +321,7 @@ disassemble (memaddr, info, insn, size) if ((operand->flags & MN10300_OPERAND_SPLIT) != 0) { unsigned long temp; + value = insn & ((1 << operand->bits) - 1); value <<= (32 - operand->bits); temp = extension >> operand->shift; @@ -517,6 +333,7 @@ disassemble (memaddr, info, insn, size) else if ((operand->flags & MN10300_OPERAND_24BIT) != 0) { unsigned long temp; + value = insn & ((1 << operand->bits) - 1); value <<= (24 - operand->bits); temp = extension >> operand->shift; @@ -572,15 +389,12 @@ disassemble (memaddr, info, insn, size) | ((insn >> shl_low) & mask_low)); } else if ((operand->flags & MN10300_OPERAND_EXTENDED) != 0) - { - value = ((extension >> (operand->shift)) - & ((1 << operand->bits) - 1)); - } + value = ((extension >> (operand->shift)) + & ((1 << operand->bits) - 1)); + else - { - value = ((insn >> (operand->shift)) - & ((1 << operand->bits) - 1)); - } + value = ((insn >> (operand->shift)) + & ((1 << operand->bits) - 1)); if ((operand->flags & MN10300_OPERAND_SIGNED) != 0 /* These are properly extended by the code above. */ @@ -762,8 +576,185 @@ disassemble (memaddr, info, insn, size) } if (!match) + /* xgettext:c-format */ + (*info->fprintf_func) (info->stream, _("unknown\t0x%04x"), insn); +} + +int +print_insn_mn10300 (bfd_vma memaddr, struct disassemble_info *info) +{ + int status; + bfd_byte buffer[4]; + unsigned long insn; + unsigned int consume; + + /* First figure out how big the opcode is. */ + status = (*info->read_memory_func) (memaddr, buffer, 1, info); + if (status != 0) + { + (*info->memory_error_func) (status, memaddr, info); + return -1; + } + insn = *(unsigned char *) buffer; + + /* These are one byte insns. */ + if ((insn & 0xf3) == 0x00 + || (insn & 0xf0) == 0x10 + || (insn & 0xfc) == 0x3c + || (insn & 0xf3) == 0x41 + || (insn & 0xf3) == 0x40 + || (insn & 0xfc) == 0x50 + || (insn & 0xfc) == 0x54 + || (insn & 0xf0) == 0x60 + || (insn & 0xf0) == 0x70 + || ((insn & 0xf0) == 0x80 + && (insn & 0x0c) >> 2 != (insn & 0x03)) + || ((insn & 0xf0) == 0x90 + && (insn & 0x0c) >> 2 != (insn & 0x03)) + || ((insn & 0xf0) == 0xa0 + && (insn & 0x0c) >> 2 != (insn & 0x03)) + || ((insn & 0xf0) == 0xb0 + && (insn & 0x0c) >> 2 != (insn & 0x03)) + || (insn & 0xff) == 0xcb + || (insn & 0xfc) == 0xd0 + || (insn & 0xfc) == 0xd4 + || (insn & 0xfc) == 0xd8 + || (insn & 0xf0) == 0xe0 + || (insn & 0xff) == 0xff) { - /* xgettext:c-format */ - (*info->fprintf_func) (info->stream, _("unknown\t0x%04x"), insn); + consume = 1; } + + /* These are two byte insns. */ + else if ((insn & 0xf0) == 0x80 + || (insn & 0xf0) == 0x90 + || (insn & 0xf0) == 0xa0 + || (insn & 0xf0) == 0xb0 + || (insn & 0xfc) == 0x20 + || (insn & 0xfc) == 0x28 + || (insn & 0xf3) == 0x43 + || (insn & 0xf3) == 0x42 + || (insn & 0xfc) == 0x58 + || (insn & 0xfc) == 0x5c + || ((insn & 0xf0) == 0xc0 + && (insn & 0xff) != 0xcb + && (insn & 0xff) != 0xcc + && (insn & 0xff) != 0xcd) + || (insn & 0xff) == 0xf0 + || (insn & 0xff) == 0xf1 + || (insn & 0xff) == 0xf2 + || (insn & 0xff) == 0xf3 + || (insn & 0xff) == 0xf4 + || (insn & 0xff) == 0xf5 + || (insn & 0xff) == 0xf6) + { + status = (*info->read_memory_func) (memaddr, buffer, 2, info); + if (status != 0) + { + (*info->memory_error_func) (status, memaddr, info); + return -1; + } + insn = bfd_getb16 (buffer); + consume = 2; + } + + /* These are three byte insns. */ + else if ((insn & 0xff) == 0xf8 + || (insn & 0xff) == 0xcc + || (insn & 0xff) == 0xf9 + || (insn & 0xf3) == 0x01 + || (insn & 0xf3) == 0x02 + || (insn & 0xf3) == 0x03 + || (insn & 0xfc) == 0x24 + || (insn & 0xfc) == 0x2c + || (insn & 0xfc) == 0x30 + || (insn & 0xfc) == 0x34 + || (insn & 0xfc) == 0x38 + || (insn & 0xff) == 0xde + || (insn & 0xff) == 0xdf + || (insn & 0xff) == 0xf9 + || (insn & 0xff) == 0xcc) + { + status = (*info->read_memory_func) (memaddr, buffer, 2, info); + if (status != 0) + { + (*info->memory_error_func) (status, memaddr, info); + return -1; + } + insn = bfd_getb16 (buffer); + insn <<= 8; + status = (*info->read_memory_func) (memaddr + 2, buffer, 1, info); + if (status != 0) + { + (*info->memory_error_func) (status, memaddr, info); + return -1; + } + insn |= *(unsigned char *) buffer; + consume = 3; + } + + /* These are four byte insns. */ + else if ((insn & 0xff) == 0xfa + || (insn & 0xff) == 0xf7 + || (insn & 0xff) == 0xfb) + { + status = (*info->read_memory_func) (memaddr, buffer, 4, info); + if (status != 0) + { + (*info->memory_error_func) (status, memaddr, info); + return -1; + } + insn = bfd_getb32 (buffer); + consume = 4; + } + + /* These are five byte insns. */ + else if ((insn & 0xff) == 0xcd + || (insn & 0xff) == 0xdc) + { + status = (*info->read_memory_func) (memaddr, buffer, 4, info); + if (status != 0) + { + (*info->memory_error_func) (status, memaddr, info); + return -1; + } + insn = bfd_getb32 (buffer); + consume = 5; + } + + /* These are six byte insns. */ + else if ((insn & 0xff) == 0xfd + || (insn & 0xff) == 0xfc) + { + status = (*info->read_memory_func) (memaddr, buffer, 4, info); + if (status != 0) + { + (*info->memory_error_func) (status, memaddr, info); + return -1; + } + + insn = bfd_getb32 (buffer); + consume = 6; + } + + /* Else its a seven byte insns (in theory). */ + else + { + status = (*info->read_memory_func) (memaddr, buffer, 4, info); + if (status != 0) + { + (*info->memory_error_func) (status, memaddr, info); + return -1; + } + + insn = bfd_getb32 (buffer); + consume = 7; + /* Handle the 5-byte extended instruction codes. */ + if ((insn & 0xfff80000) == 0xfe800000) + consume = 5; + } + + disassemble (memaddr, info, insn, consume); + + return consume; } |