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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/vax-dis.c | |
parent | e4e8248d79d8461adf8b0cf22086e85a4c9ee0a4 (diff) | |
download | fsf-binutils-gdb-47b0e7ad8c60ea4b45b22ad5cb376f068991bc88.zip fsf-binutils-gdb-47b0e7ad8c60ea4b45b22ad5cb376f068991bc88.tar.gz fsf-binutils-gdb-47b0e7ad8c60ea4b45b22ad5cb376f068991bc88.tar.bz2 |
Update function declarations to ISO C90 formatting
Diffstat (limited to 'opcodes/vax-dis.c')
-rw-r--r-- | opcodes/vax-dis.c | 342 |
1 files changed, 162 insertions, 180 deletions
diff --git a/opcodes/vax-dis.c b/opcodes/vax-dis.c index 8b5935a..0b96414 100644 --- a/opcodes/vax-dis.c +++ b/opcodes/vax-dis.c @@ -15,7 +15,8 @@ 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. */ + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ #include <setjmp.h> #include <string.h> @@ -23,14 +24,6 @@ #include "opcode/vax.h" #include "dis-asm.h" -/* Local function prototypes */ -static int fetch_data PARAMS ((struct disassemble_info *, bfd_byte *)); -static int print_insn_arg - PARAMS ((const char *, unsigned char *, bfd_vma, disassemble_info *)); -static int print_insn_mode - PARAMS ((const char *, int, unsigned char *, bfd_vma, disassemble_info *)); - - static char *reg_names[] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", @@ -53,11 +46,7 @@ static char *entry_mask_bit[] = }; /* Sign-extend an (unsigned char). */ -#if __STDC__ == 1 #define COERCE_SIGNED_CHAR(ch) ((signed char)(ch)) -#else -#define COERCE_SIGNED_CHAR(ch) ((int)(((ch) ^ 0x80) & 0xFF) - 128) -#endif /* Get a 1 byte signed integer. */ #define NEXTBYTE(p) \ @@ -96,9 +85,7 @@ struct private ? 1 : fetch_data ((info), (addr))) static int -fetch_data (info, addr) - struct disassemble_info *info; - bfd_byte *addr; +fetch_data (struct disassemble_info *info, bfd_byte *addr) { int status; struct private *priv = (struct private *) info->private_data; @@ -208,13 +195,165 @@ is_function_entry (struct disassemble_info *info, bfd_vma addr) return FALSE; } +static int +print_insn_mode (const char *d, + int size, + unsigned char *p0, + bfd_vma addr, /* PC for this arg to be relative to. */ + disassemble_info *info) +{ + unsigned char *p = p0; + unsigned char mode, reg; + + /* Fetch and interpret mode byte. */ + mode = (unsigned char) NEXTBYTE (p); + reg = mode & 0xF; + switch (mode & 0xF0) + { + case 0x00: + case 0x10: + case 0x20: + case 0x30: /* Literal mode $number. */ + if (d[1] == 'd' || d[1] == 'f' || d[1] == 'g' || d[1] == 'h') + (*info->fprintf_func) (info->stream, "$0x%x [%c-float]", mode, d[1]); + else + (*info->fprintf_func) (info->stream, "$0x%x", mode); + break; + case 0x40: /* Index: base-addr[Rn] */ + p += print_insn_mode (d, size, p0 + 1, addr + 1, info); + (*info->fprintf_func) (info->stream, "[%s]", reg_names[reg]); + break; + case 0x50: /* Register: Rn */ + (*info->fprintf_func) (info->stream, "%s", reg_names[reg]); + break; + case 0x60: /* Register deferred: (Rn) */ + (*info->fprintf_func) (info->stream, "(%s)", reg_names[reg]); + break; + case 0x70: /* Autodecrement: -(Rn) */ + (*info->fprintf_func) (info->stream, "-(%s)", reg_names[reg]); + break; + case 0x80: /* Autoincrement: (Rn)+ */ + if (reg == 0xF) + { /* Immediate? */ + int i; + + FETCH_DATA (info, p + size); + (*info->fprintf_func) (info->stream, "$0x"); + if (d[1] == 'd' || d[1] == 'f' || d[1] == 'g' || d[1] == 'h') + { + int float_word; + + float_word = p[0] | (p[1] << 8); + if ((d[1] == 'd' || d[1] == 'f') + && (float_word & 0xff80) == 0x8000) + { + (*info->fprintf_func) (info->stream, "[invalid %c-float]", + d[1]); + } + else + { + for (i = 0; i < size; i++) + (*info->fprintf_func) (info->stream, "%02x", + p[size - i - 1]); + (*info->fprintf_func) (info->stream, " [%c-float]", d[1]); + } + } + else + { + for (i = 0; i < size; i++) + (*info->fprintf_func) (info->stream, "%02x", p[size - i - 1]); + } + p += size; + } + else + (*info->fprintf_func) (info->stream, "(%s)+", reg_names[reg]); + break; + case 0x90: /* Autoincrement deferred: @(Rn)+ */ + if (reg == 0xF) + (*info->fprintf_func) (info->stream, "*0x%x", NEXTLONG (p)); + else + (*info->fprintf_func) (info->stream, "@(%s)+", reg_names[reg]); + break; + case 0xB0: /* Displacement byte deferred: *displ(Rn). */ + (*info->fprintf_func) (info->stream, "*"); + case 0xA0: /* Displacement byte: displ(Rn). */ + if (reg == 0xF) + (*info->print_address_func) (addr + 2 + NEXTBYTE (p), info); + else + (*info->fprintf_func) (info->stream, "0x%x(%s)", NEXTBYTE (p), + reg_names[reg]); + break; + case 0xD0: /* Displacement word deferred: *displ(Rn). */ + (*info->fprintf_func) (info->stream, "*"); + case 0xC0: /* Displacement word: displ(Rn). */ + if (reg == 0xF) + (*info->print_address_func) (addr + 3 + NEXTWORD (p), info); + else + (*info->fprintf_func) (info->stream, "0x%x(%s)", NEXTWORD (p), + reg_names[reg]); + break; + case 0xF0: /* Displacement long deferred: *displ(Rn). */ + (*info->fprintf_func) (info->stream, "*"); + case 0xE0: /* Displacement long: displ(Rn). */ + if (reg == 0xF) + (*info->print_address_func) (addr + 5 + NEXTLONG (p), info); + else + (*info->fprintf_func) (info->stream, "0x%x(%s)", NEXTLONG (p), + reg_names[reg]); + break; + } + + return p - p0; +} + +/* Returns number of bytes "eaten" by the operand, or return -1 if an + invalid operand was found, or -2 if an opcode tabel error was + found. */ + +static int +print_insn_arg (const char *d, + unsigned char *p0, + bfd_vma addr, /* PC for this arg to be relative to. */ + disassemble_info *info) +{ + int arg_len; + + /* Check validity of addressing length. */ + switch (d[1]) + { + case 'b' : arg_len = 1; break; + case 'd' : arg_len = 8; break; + case 'f' : arg_len = 4; break; + case 'g' : arg_len = 8; break; + case 'h' : arg_len = 16; break; + case 'l' : arg_len = 4; break; + case 'o' : arg_len = 16; break; + case 'w' : arg_len = 2; break; + case 'q' : arg_len = 8; break; + default : abort (); + } + + /* Branches have no mode byte. */ + if (d[0] == 'b') + { + unsigned char *p = p0; + + if (arg_len == 1) + (*info->print_address_func) (addr + 1 + NEXTBYTE (p), info); + else + (*info->print_address_func) (addr + 2 + NEXTWORD (p), info); + + return p - p0; + } + + return print_insn_mode (d, arg_len, p0, addr, info); +} + /* Print the vax instruction at address MEMADDR in debugged memory, on INFO->STREAM. Returns length of the instruction, in bytes. */ int -print_insn_vax (memaddr, info) - bfd_vma memaddr; - disassemble_info *info; +print_insn_vax (bfd_vma memaddr, disassemble_info *info) { static bfd_boolean parsed_disassembler_options = FALSE; const struct vot *votp; @@ -223,7 +362,7 @@ print_insn_vax (memaddr, info) struct private priv; bfd_byte *buffer = priv.the_buffer; - info->private_data = (PTR) &priv; + info->private_data = & priv; priv.max_fetched = priv.the_buffer; priv.insn_start = memaddr; @@ -237,10 +376,8 @@ print_insn_vax (memaddr, info) } if (setjmp (priv.bailout) != 0) - { - /* Error return. */ - return -1; - } + /* Error return. */ + return -1; argp = NULL; /* Check if the info buffer has more than one byte left since @@ -275,7 +412,7 @@ print_insn_vax (memaddr, info) for (votp = &votstrs[0]; votp->name[0]; votp++) { - register vax_opcodeT opcode = votp->detail.code; + vax_opcodeT opcode = votp->detail.code; /* 2 byte codes match 2 buffer pos. */ if ((bfd_byte) opcode == buffer[0] @@ -315,158 +452,3 @@ print_insn_vax (memaddr, info) return arg - buffer; } -/* Returns number of bytes "eaten" by the operand, or return -1 if an - invalid operand was found, or -2 if an opcode tabel error was - found. */ - -static int -print_insn_arg (d, p0, addr, info) - const char *d; - unsigned char *p0; - bfd_vma addr; /* PC for this arg to be relative to */ - disassemble_info *info; -{ - int arg_len; - - /* check validity of addressing length */ - switch (d[1]) - { - case 'b' : arg_len = 1; break; - case 'd' : arg_len = 8; break; - case 'f' : arg_len = 4; break; - case 'g' : arg_len = 8; break; - case 'h' : arg_len = 16; break; - case 'l' : arg_len = 4; break; - case 'o' : arg_len = 16; break; - case 'w' : arg_len = 2; break; - case 'q' : arg_len = 8; break; - default : abort(); - } - - /* branches have no mode byte */ - if (d[0] == 'b') - { - unsigned char *p = p0; - - if (arg_len == 1) - (*info->print_address_func) (addr + 1 + NEXTBYTE (p), info); - else - (*info->print_address_func) (addr + 2 + NEXTWORD (p), info); - - return p - p0; - } - - return print_insn_mode (d, arg_len, p0, addr, info); -} - -static int -print_insn_mode (d, size, p0, addr, info) - const char *d; - int size; - unsigned char *p0; - bfd_vma addr; /* PC for this arg to be relative to */ - disassemble_info *info; -{ - unsigned char *p = p0; - unsigned char mode, reg; - - /* fetch and interpret mode byte */ - mode = (unsigned char) NEXTBYTE (p); - reg = mode & 0xF; - switch (mode & 0xF0) - { - case 0x00: - case 0x10: - case 0x20: - case 0x30: /* literal mode $number */ - if (d[1] == 'd' || d[1] == 'f' || d[1] == 'g' || d[1] == 'h') - (*info->fprintf_func) (info->stream, "$0x%x [%c-float]", mode, d[1]); - else - (*info->fprintf_func) (info->stream, "$0x%x", mode); - break; - case 0x40: /* index: base-addr[Rn] */ - p += print_insn_mode (d, size, p0 + 1, addr + 1, info); - (*info->fprintf_func) (info->stream, "[%s]", reg_names[reg]); - break; - case 0x50: /* register: Rn */ - (*info->fprintf_func) (info->stream, "%s", reg_names[reg]); - break; - case 0x60: /* register deferred: (Rn) */ - (*info->fprintf_func) (info->stream, "(%s)", reg_names[reg]); - break; - case 0x70: /* autodecrement: -(Rn) */ - (*info->fprintf_func) (info->stream, "-(%s)", reg_names[reg]); - break; - case 0x80: /* autoincrement: (Rn)+ */ - if (reg == 0xF) - { /* immediate? */ - int i; - - FETCH_DATA (info, p + size); - (*info->fprintf_func) (info->stream, "$0x"); - if (d[1] == 'd' || d[1] == 'f' || d[1] == 'g' || d[1] == 'h') - { - int float_word; - - float_word = p[0] | (p[1] << 8); - if ((d[1] == 'd' || d[1] == 'f') - && (float_word & 0xff80) == 0x8000) - { - (*info->fprintf_func) (info->stream, "[invalid %c-float]", - d[1]); - } - else - { - for (i = 0; i < size; i++) - (*info->fprintf_func) (info->stream, "%02x", - p[size - i - 1]); - (*info->fprintf_func) (info->stream, " [%c-float]", d[1]); - } - } - else - { - for (i = 0; i < size; i++) - (*info->fprintf_func) (info->stream, "%02x", p[size - i - 1]); - } - p += size; - } - else - (*info->fprintf_func) (info->stream, "(%s)+", reg_names[reg]); - break; - case 0x90: /* autoincrement deferred: @(Rn)+ */ - if (reg == 0xF) - (*info->fprintf_func) (info->stream, "*0x%x", NEXTLONG (p)); - else - (*info->fprintf_func) (info->stream, "@(%s)+", reg_names[reg]); - break; - case 0xB0: /* displacement byte deferred: *displ(Rn) */ - (*info->fprintf_func) (info->stream, "*"); - case 0xA0: /* displacement byte: displ(Rn) */ - if (reg == 0xF) - (*info->print_address_func) (addr + 2 + NEXTBYTE (p), info); - else - (*info->fprintf_func) (info->stream, "0x%x(%s)", NEXTBYTE (p), - reg_names[reg]); - break; - case 0xD0: /* displacement word deferred: *displ(Rn) */ - (*info->fprintf_func) (info->stream, "*"); - case 0xC0: /* displacement word: displ(Rn) */ - if (reg == 0xF) - (*info->print_address_func) (addr + 3 + NEXTWORD (p), info); - else - (*info->fprintf_func) (info->stream, "0x%x(%s)", NEXTWORD (p), - reg_names[reg]); - break; - case 0xF0: /* displacement long deferred: *displ(Rn) */ - (*info->fprintf_func) (info->stream, "*"); - case 0xE0: /* displacement long: displ(Rn) */ - if (reg == 0xF) - (*info->print_address_func) (addr + 5 + NEXTLONG (p), info); - else - (*info->fprintf_func) (info->stream, "0x%x(%s)", NEXTLONG (p), - reg_names[reg]); - break; - } - - return p - p0; -} |