diff options
Diffstat (limited to 'opcodes/ip2k-dis.c')
| -rw-r--r-- | opcodes/ip2k-dis.c | 218 |
1 files changed, 97 insertions, 121 deletions
diff --git a/opcodes/ip2k-dis.c b/opcodes/ip2k-dis.c index 77bd3a8..7b43ccb 100644 --- a/opcodes/ip2k-dis.c +++ b/opcodes/ip2k-dis.c @@ -1,27 +1,27 @@ /* Disassembler interface for targets using CGEN. -*- C -*- CGEN: Cpu tools GENerator -THIS FILE IS MACHINE GENERATED WITH CGEN. -- the resultant file is machine generated, cgen-dis.in isn't + THIS FILE IS MACHINE GENERATED WITH CGEN. + - the resultant file is machine generated, cgen-dis.in isn't -Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2005 -Free Software Foundation, Inc. + Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2005 + Free Software Foundation, Inc. -This file is part of the GNU Binutils and GDB, the GNU debugger. + This file is part of the GNU Binutils and GDB, the GNU debugger. -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, 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, 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. + 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. */ + 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. */ /* ??? Eventually more and more of this stuff can go to cpu-independent files. Keep that in mind. */ @@ -56,30 +56,17 @@ static int read_insn (CGEN_CPU_DESC, bfd_vma, disassemble_info *, bfd_byte *, int, CGEN_EXTRACT_INFO *, unsigned long *); -/* -- disassembler routines inserted here */ +/* -- disassembler routines inserted here. */ /* -- dis.c */ -#define PRINT_FUNC_DECL(name) \ -static void name PARAMS ((CGEN_CPU_DESC, PTR, long, unsigned int, bfd_vma, int)) - -PRINT_FUNC_DECL (print_fr); -PRINT_FUNC_DECL (print_dollarhex); -PRINT_FUNC_DECL (print_dollarhex8); -PRINT_FUNC_DECL (print_dollarhex_addr16h); -PRINT_FUNC_DECL (print_dollarhex_addr16l); -PRINT_FUNC_DECL (print_dollarhex_p); -PRINT_FUNC_DECL (print_dollarhex_cj); -PRINT_FUNC_DECL (print_decimal); - static void -print_fr (cd, dis_info, value, attrs, pc, length) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - PTR dis_info; - long value; - unsigned int attrs ATTRIBUTE_UNUSED; - bfd_vma pc ATTRIBUTE_UNUSED; - int length ATTRIBUTE_UNUSED; +print_fr (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info, + long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) { disassemble_info *info = (disassemble_info *) dis_info; const CGEN_KEYWORD_ENTRY *ke; @@ -87,7 +74,7 @@ print_fr (cd, dis_info, value, attrs, pc, length) long offsettest; long offsetvalue; - if ( value == 0 ) /* This is (IP) */ + if (value == 0) /* This is (IP). */ { (*info->fprintf_func) (info->stream, "%s", "(IP)"); return; @@ -96,46 +83,43 @@ print_fr (cd, dis_info, value, attrs, pc, length) offsettest = value >> 7; offsetvalue = value & 0x7F; - /* Check to see if first two bits are 10 -> (DP) */ - if ( offsettest == 2 ) + /* Check to see if first two bits are 10 -> (DP). */ + if (offsettest == 2) { - if ( offsetvalue == 0 ) + if (offsetvalue == 0) (*info->fprintf_func) (info->stream, "%s","(DP)"); else (*info->fprintf_func) (info->stream, "$%x%s",offsetvalue, "(DP)"); return; } - /* Check to see if first two bits are 11 -> (SP) */ - if ( offsettest == 3 ) + /* Check to see if first two bits are 11 -> (SP). */ + if (offsettest == 3) { - if ( offsetvalue == 0 ) + if (offsetvalue == 0) (*info->fprintf_func) (info->stream, "%s", "(SP)"); else (*info->fprintf_func) (info->stream, "$%x%s", offsetvalue,"(SP)"); return; } - /* Attempt to print as a register keyword. */ + /* Attempt to print as a register keyword. */ ke = cgen_keyword_lookup_value (& ip2k_cgen_opval_register_names, value); - if (ke != NULL) - { - (*info->fprintf_func) (info->stream, "%s", ke->name); - return; - } - /* Print as an address literal. */ - (*info->fprintf_func) (info->stream, "$%02x", value); + if (ke != NULL) + (*info->fprintf_func) (info->stream, "%s", ke->name); + else + /* Print as an address literal. */ + (*info->fprintf_func) (info->stream, "$%02x", value); } static void -print_dollarhex (cd, dis_info, value, attrs, pc, length) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - PTR dis_info; - long value; - unsigned int attrs ATTRIBUTE_UNUSED; - bfd_vma pc ATTRIBUTE_UNUSED; - int length ATTRIBUTE_UNUSED; +print_dollarhex (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info, + long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) { disassemble_info *info = (disassemble_info *) dis_info; @@ -143,13 +127,12 @@ print_dollarhex (cd, dis_info, value, attrs, pc, length) } static void -print_dollarhex8 (cd, dis_info, value, attrs, pc, length) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - PTR dis_info; - long value; - unsigned int attrs ATTRIBUTE_UNUSED; - bfd_vma pc ATTRIBUTE_UNUSED; - int length ATTRIBUTE_UNUSED; +print_dollarhex8 (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info, + long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) { disassemble_info *info = (disassemble_info *) dis_info; @@ -157,31 +140,29 @@ print_dollarhex8 (cd, dis_info, value, attrs, pc, length) } static void -print_dollarhex_addr16h (cd, dis_info, value, attrs, pc, length) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - PTR dis_info; - long value; - unsigned int attrs ATTRIBUTE_UNUSED; - bfd_vma pc ATTRIBUTE_UNUSED; - int length ATTRIBUTE_UNUSED; +print_dollarhex_addr16h (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info, + long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) { disassemble_info *info = (disassemble_info *) dis_info; - /* This is a loadh instruction. Shift the value to the left */ - /* by 8 bits so that disassembled code will reassemble properly. */ + /* This is a loadh instruction. Shift the value to the left + by 8 bits so that disassembled code will reassemble properly. */ value = ((value << 8) & 0xFF00); (*info->fprintf_func) (info->stream, "$%04x", value); } static void -print_dollarhex_addr16l (cd, dis_info, value, attrs, pc, length) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - PTR dis_info; - long value; - unsigned int attrs ATTRIBUTE_UNUSED; - bfd_vma pc ATTRIBUTE_UNUSED; - int length ATTRIBUTE_UNUSED; +print_dollarhex_addr16l (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info, + long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) { disassemble_info *info = (disassemble_info *) dis_info; @@ -189,13 +170,12 @@ print_dollarhex_addr16l (cd, dis_info, value, attrs, pc, length) } static void -print_dollarhex_p (cd, dis_info, value, attrs, pc, length) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - PTR dis_info; - long value; - unsigned int attrs ATTRIBUTE_UNUSED; - bfd_vma pc ATTRIBUTE_UNUSED; - int length ATTRIBUTE_UNUSED; +print_dollarhex_p (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info, + long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) { disassemble_info *info = (disassemble_info *) dis_info; @@ -205,13 +185,12 @@ print_dollarhex_p (cd, dis_info, value, attrs, pc, length) } static void -print_dollarhex_cj (cd, dis_info, value, attrs, pc, length) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - PTR dis_info; - long value; - unsigned int attrs ATTRIBUTE_UNUSED; - bfd_vma pc ATTRIBUTE_UNUSED; - int length ATTRIBUTE_UNUSED; +print_dollarhex_cj (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info, + long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) { disassemble_info *info = (disassemble_info *) dis_info; @@ -219,15 +198,13 @@ print_dollarhex_cj (cd, dis_info, value, attrs, pc, length) (*info->fprintf_func) (info->stream, "$%05x", value); } - static void -print_decimal (cd, dis_info, value, attrs, pc, length) - CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; - PTR dis_info; - long value; - unsigned int attrs ATTRIBUTE_UNUSED; - bfd_vma pc ATTRIBUTE_UNUSED; - int length ATTRIBUTE_UNUSED; +print_decimal (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, + void * dis_info, + long value, + unsigned int attrs ATTRIBUTE_UNUSED, + bfd_vma pc ATTRIBUTE_UNUSED, + int length ATTRIBUTE_UNUSED) { disassemble_info *info = (disassemble_info *) dis_info; @@ -239,8 +216,7 @@ print_decimal (cd, dis_info, value, attrs, pc, length) /* -- */ void ip2k_cgen_print_operand - PARAMS ((CGEN_CPU_DESC, int, PTR, CGEN_FIELDS *, - void const *, bfd_vma, int)); + (CGEN_CPU_DESC, int, PTR, CGEN_FIELDS *, void const *, bfd_vma, int); /* Main entry point for printing operands. XINFO is a `void *' and not a `disassemble_info *' to not put a requirement @@ -258,16 +234,15 @@ void ip2k_cgen_print_operand the handlers. */ void -ip2k_cgen_print_operand (cd, opindex, xinfo, fields, attrs, pc, length) - CGEN_CPU_DESC cd; - int opindex; - PTR xinfo; - CGEN_FIELDS *fields; - void const *attrs ATTRIBUTE_UNUSED; - bfd_vma pc; - int length; +ip2k_cgen_print_operand (CGEN_CPU_DESC cd, + int opindex, + void * xinfo, + CGEN_FIELDS *fields, + void const *attrs ATTRIBUTE_UNUSED, + bfd_vma pc, + int length) { - disassemble_info *info = (disassemble_info *) xinfo; + disassemble_info *info = (disassemble_info *) xinfo; switch (opindex) { @@ -323,8 +298,7 @@ cgen_print_fn * const ip2k_cgen_print_handlers[] = void -ip2k_cgen_init_dis (cd) - CGEN_CPU_DESC cd; +ip2k_cgen_init_dis (CGEN_CPU_DESC cd) { ip2k_cgen_init_opcode_table (cd); ip2k_cgen_init_ibld_table (cd); @@ -376,7 +350,7 @@ print_address (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, /* Print the operand as directed by the attributes. */ if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_SEM_ONLY)) - ; /* nothing to do */ + ; /* Nothing to do. */ else if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_PCREL_ADDR)) (*info->print_address_func) (value, info); else if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_ABS_ADDR)) @@ -458,6 +432,7 @@ read_insn (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, unsigned long *insn_value) { int status = (*info->read_memory_func) (pc, buf, buflen, info); + if (status != 0) { (*info->memory_error_func) (status, pc, info); @@ -562,13 +537,13 @@ print_insn (CGEN_CPU_DESC cd, length = CGEN_EXTRACT_FN (cd, insn) (cd, insn, &ex_info, insn_value_cropped, &fields, pc); - /* length < 0 -> error */ + /* Length < 0 -> error. */ if (length < 0) return length; if (length > 0) { CGEN_PRINT_FN (cd, insn) (cd, info, insn, &fields, pc, length); - /* length is in bits, result is in bytes */ + /* Length is in bits, result is in bytes. */ return length / 8; } } @@ -618,7 +593,8 @@ default_print_insn (CGEN_CPU_DESC cd, bfd_vma pc, disassemble_info *info) Print one instruction from PC on INFO->STREAM. Return the size of the instruction (in bytes). */ -typedef struct cpu_desc_list { +typedef struct cpu_desc_list +{ struct cpu_desc_list *next; int isa; int mach; @@ -703,7 +679,7 @@ print_insn_ip2k (bfd_vma pc, disassemble_info *info) if (!cd) abort (); - /* save this away for future reference */ + /* Save this away for future reference. */ cl = xmalloc (sizeof (struct cpu_desc_list)); cl->cd = cd; cl->isa = isa; |