diff options
Diffstat (limited to 'gdb/gould-tdep.c')
| -rw-r--r-- | gdb/gould-tdep.c | 310 |
1 files changed, 0 insertions, 310 deletions
diff --git a/gdb/gould-tdep.c b/gdb/gould-tdep.c deleted file mode 100644 index 3c70165a5c0..00000000000 --- a/gdb/gould-tdep.c +++ /dev/null @@ -1,310 +0,0 @@ -/* OBSOLETE /* GOULD RISC target-dependent code for GDB, the GNU debugger. */ -/* OBSOLETE Copyright 1986, 1987, 1989, 1991 Free Software Foundation, Inc. */ -/* OBSOLETE */ -/* OBSOLETE This file is part of GDB. */ -/* OBSOLETE */ -/* OBSOLETE This program is free software; you can redistribute it and/or modify */ -/* OBSOLETE it under the terms of the GNU General Public License as published by */ -/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ -/* OBSOLETE (at your option) any later version. */ -/* OBSOLETE */ -/* OBSOLETE This program is distributed in the hope that it will be useful, */ -/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ -/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ -/* OBSOLETE GNU General Public License for more details. */ -/* OBSOLETE */ -/* OBSOLETE You should have received a copy of the GNU General Public License */ -/* OBSOLETE along with this program; if not, write to the Free Software */ -/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *x/ */ -/* OBSOLETE */ -/* OBSOLETE #include "defs.h" */ -/* OBSOLETE #include "symtab.h" */ -/* OBSOLETE #include "frame.h" */ -/* OBSOLETE #include "gdbcore.h" */ -/* OBSOLETE #if defined GOULD_PN */ -/* OBSOLETE #include "opcode/pn.h" */ -/* OBSOLETE #else */ -/* OBSOLETE #include "opcode/np1.h" */ -/* OBSOLETE #endif */ -/* OBSOLETE */ -/* OBSOLETE /* GOULD RISC instructions are never longer than this many bytes. *x/ */ -/* OBSOLETE #define MAXLEN 4 */ -/* OBSOLETE */ -/* OBSOLETE /* Number of elements in the opcode table. *x/ */ -/* OBSOLETE #define NOPCODES (sizeof gld_opcodes / sizeof gld_opcodes[0]) */ -/* OBSOLETE */ -/* OBSOLETE int */ -/* OBSOLETE gould_frame_chain_valid (chain, fi) */ -/* OBSOLETE CORE_ADDR chain; */ -/* OBSOLETE struct frame_info *fi; /* not used here *x/ */ -/* OBSOLETE { */ -/* OBSOLETE return (chain != 0 && chain != (thisframe)->frame); */ -/* OBSOLETE } */ -/* OBSOLETE */ -/* OBSOLETE /* Both gcc and cc return small structs in registers (i.e. in GDB */ -/* OBSOLETE terminology, small structs don't use the struct return convention). *x/ */ -/* OBSOLETE int */ -/* OBSOLETE gould_use_struct_convention (gcc_p, type) */ -/* OBSOLETE int gcc_p; */ -/* OBSOLETE struct type *type; */ -/* OBSOLETE { */ -/* OBSOLETE return (TYPE_LENGTH(type) > 8); */ -/* OBSOLETE } */ -/* OBSOLETE */ -/* OBSOLETE */ -/* OBSOLETE */ -/* OBSOLETE /* Print the GOULD instruction at address MEMADDR in debugged memory, */ -/* OBSOLETE on STREAM. Returns length of the instruction, in bytes. *x/ */ -/* OBSOLETE */ -/* OBSOLETE int */ -/* OBSOLETE gould_print_insn (memaddr, stream) */ -/* OBSOLETE CORE_ADDR memaddr; */ -/* OBSOLETE FILE *stream; */ -/* OBSOLETE { */ -/* OBSOLETE unsigned char buffer[MAXLEN]; */ -/* OBSOLETE register int i; */ -/* OBSOLETE register char *d; */ -/* OBSOLETE register int bestmask; */ -/* OBSOLETE unsigned best; */ -/* OBSOLETE int temp, index, bestlen; */ -/* OBSOLETE */ -/* OBSOLETE read_memory (memaddr, buffer, MAXLEN); */ -/* OBSOLETE */ -/* OBSOLETE bestmask = 0; */ -/* OBSOLETE index = -1; */ -/* OBSOLETE best = 0xffffffff; */ -/* OBSOLETE for (i = 0; i < NOPCODES; i++) */ -/* OBSOLETE { */ -/* OBSOLETE register unsigned int opcode = gld_opcodes[i].opcode; */ -/* OBSOLETE register unsigned int mask = gld_opcodes[i].mask; */ -/* OBSOLETE register unsigned int len = gld_opcodes[i].length; */ -/* OBSOLETE register unsigned int test; */ -/* OBSOLETE */ -/* OBSOLETE /* Get possible opcode bytes into integer *x/ */ -/* OBSOLETE test = buffer[0] << 24; */ -/* OBSOLETE test |= buffer[1] << 16; */ -/* OBSOLETE test |= buffer[2] << 8; */ -/* OBSOLETE test |= buffer[3]; */ -/* OBSOLETE */ -/* OBSOLETE /* Mask with opcode and see if match *x/ */ -/* OBSOLETE if ((opcode & mask) == (test & mask)) */ -/* OBSOLETE { */ -/* OBSOLETE /* See if second or third match *x/ */ -/* OBSOLETE if (index >= 0) */ -/* OBSOLETE { */ -/* OBSOLETE /* Take new one if it looks good *x/ */ -/* OBSOLETE if (bestlen == MAXLEN && len == MAXLEN) */ -/* OBSOLETE { */ -/* OBSOLETE /* See if lower bits matched *x/ */ -/* OBSOLETE if (((bestmask & 3) == 0) && */ -/* OBSOLETE ((mask & 3) != 0)) */ -/* OBSOLETE { */ -/* OBSOLETE bestmask = mask; */ -/* OBSOLETE bestlen = len; */ -/* OBSOLETE best = test; */ -/* OBSOLETE index = i; */ -/* OBSOLETE } */ -/* OBSOLETE } */ -/* OBSOLETE } */ -/* OBSOLETE else */ -/* OBSOLETE { */ -/* OBSOLETE /* First match, save it *x/ */ -/* OBSOLETE bestmask = mask; */ -/* OBSOLETE bestlen = len; */ -/* OBSOLETE best = test; */ -/* OBSOLETE index = i; */ -/* OBSOLETE } */ -/* OBSOLETE } */ -/* OBSOLETE } */ -/* OBSOLETE */ -/* OBSOLETE /* Handle undefined instructions. *x/ */ -/* OBSOLETE if (index < 0) */ -/* OBSOLETE { */ -/* OBSOLETE fprintf (stream, "undefined 0%o",(buffer[0]<<8)+buffer[1]); */ -/* OBSOLETE return 2; */ -/* OBSOLETE } */ -/* OBSOLETE */ -/* OBSOLETE /* Print instruction name *x/ */ -/* OBSOLETE fprintf (stream, "%-12s", gld_opcodes[index].name); */ -/* OBSOLETE */ -/* OBSOLETE /* Adjust if short instruction *x/ */ -/* OBSOLETE if (gld_opcodes[index].length < 4) */ -/* OBSOLETE { */ -/* OBSOLETE best >>= 16; */ -/* OBSOLETE i = 0; */ -/* OBSOLETE } */ -/* OBSOLETE else */ -/* OBSOLETE { */ -/* OBSOLETE i = 16; */ -/* OBSOLETE } */ -/* OBSOLETE */ -/* OBSOLETE /* Dump out instruction arguments *x/ */ -/* OBSOLETE for (d = gld_opcodes[index].args; *d; ++d) */ -/* OBSOLETE { */ -/* OBSOLETE switch (*d) */ -/* OBSOLETE { */ -/* OBSOLETE case 'f': */ -/* OBSOLETE fprintf (stream, "%d", (best >> (7 + i)) & 7); */ -/* OBSOLETE break; */ -/* OBSOLETE case 'r': */ -/* OBSOLETE fprintf (stream, "r%d", (best >> (7 + i)) & 7); */ -/* OBSOLETE break; */ -/* OBSOLETE case 'R': */ -/* OBSOLETE fprintf (stream, "r%d", (best >> (4 + i)) & 7); */ -/* OBSOLETE break; */ -/* OBSOLETE case 'b': */ -/* OBSOLETE fprintf (stream, "b%d", (best >> (7 + i)) & 7); */ -/* OBSOLETE break; */ -/* OBSOLETE case 'B': */ -/* OBSOLETE fprintf (stream, "b%d", (best >> (4 + i)) & 7); */ -/* OBSOLETE break; */ -/* OBSOLETE case 'v': */ -/* OBSOLETE fprintf (stream, "b%d", (best >> (7 + i)) & 7); */ -/* OBSOLETE break; */ -/* OBSOLETE case 'V': */ -/* OBSOLETE fprintf (stream, "b%d", (best >> (4 + i)) & 7); */ -/* OBSOLETE break; */ -/* OBSOLETE case 'X': */ -/* OBSOLETE temp = (best >> 20) & 7; */ -/* OBSOLETE if (temp) */ -/* OBSOLETE fprintf (stream, "r%d", temp); */ -/* OBSOLETE else */ -/* OBSOLETE putc ('0', stream); */ -/* OBSOLETE break; */ -/* OBSOLETE case 'A': */ -/* OBSOLETE temp = (best >> 16) & 7; */ -/* OBSOLETE if (temp) */ -/* OBSOLETE fprintf (stream, "(b%d)", temp); */ -/* OBSOLETE break; */ -/* OBSOLETE case 'S': */ -/* OBSOLETE fprintf (stream, "#%d", best & 0x1f); */ -/* OBSOLETE break; */ -/* OBSOLETE case 'I': */ -/* OBSOLETE fprintf (stream, "#%x", best & 0xffff); */ -/* OBSOLETE break; */ -/* OBSOLETE case 'O': */ -/* OBSOLETE fprintf (stream, "%x", best & 0xffff); */ -/* OBSOLETE break; */ -/* OBSOLETE case 'h': */ -/* OBSOLETE fprintf (stream, "%d", best & 0xfffe); */ -/* OBSOLETE break; */ -/* OBSOLETE case 'd': */ -/* OBSOLETE fprintf (stream, "%d", best & 0xfffc); */ -/* OBSOLETE break; */ -/* OBSOLETE case 'T': */ -/* OBSOLETE fprintf (stream, "%d", (best >> 8) & 0xff); */ -/* OBSOLETE break; */ -/* OBSOLETE case 'N': */ -/* OBSOLETE fprintf (stream, "%d", best & 0xff); */ -/* OBSOLETE break; */ -/* OBSOLETE default: */ -/* OBSOLETE putc (*d, stream); */ -/* OBSOLETE break; */ -/* OBSOLETE } */ -/* OBSOLETE } */ -/* OBSOLETE */ -/* OBSOLETE /* Return length of instruction *x/ */ -/* OBSOLETE return (gld_opcodes[index].length); */ -/* OBSOLETE } */ -/* OBSOLETE */ -/* OBSOLETE /* */ -/* OBSOLETE * Find the number of arguments to a function. */ -/* OBSOLETE *x/ */ -/* OBSOLETE findarg(frame) */ -/* OBSOLETE struct frame_info *frame; */ -/* OBSOLETE { */ -/* OBSOLETE register struct symbol *func; */ -/* OBSOLETE register unsigned pc; */ -/* OBSOLETE */ -/* OBSOLETE #ifdef notdef */ -/* OBSOLETE /* find starting address of frame function *x/ */ -/* OBSOLETE pc = get_pc_function_start (frame->pc); */ -/* OBSOLETE */ -/* OBSOLETE /* find function symbol info *x/ */ -/* OBSOLETE func = find_pc_function (pc); */ -/* OBSOLETE */ -/* OBSOLETE /* call blockframe code to look for match *x/ */ -/* OBSOLETE if (func != NULL) */ -/* OBSOLETE return (func->value.block->nsyms / sizeof(int)); */ -/* OBSOLETE #endif */ -/* OBSOLETE */ -/* OBSOLETE return (-1); */ -/* OBSOLETE } */ -/* OBSOLETE */ -/* OBSOLETE /* */ -/* OBSOLETE * In the case of the NPL, the frame's norminal address is Br2 and the */ -/* OBSOLETE * previous routines frame is up the stack X bytes. Finding out what */ -/* OBSOLETE * 'X' is can be tricky. */ -/* OBSOLETE * */ -/* OBSOLETE * 1.) stored in the code function header xA(Br1). */ -/* OBSOLETE * 2.) must be careful of recurssion. */ -/* OBSOLETE *x/ */ -/* OBSOLETE CORE_ADDR */ -/* OBSOLETE findframe(thisframe) */ -/* OBSOLETE struct frame_info *thisframe; */ -/* OBSOLETE { */ -/* OBSOLETE register CORE_ADDR pointer; */ -/* OBSOLETE CORE_ADDR framechain(); */ -/* OBSOLETE #if 0 */ -/* OBSOLETE struct frame_info *frame; */ -/* OBSOLETE */ -/* OBSOLETE /* Setup toplevel frame structure *x/ */ -/* OBSOLETE frame->pc = read_pc(); */ -/* OBSOLETE frame->next_frame = 0; */ -/* OBSOLETE frame->frame = read_register (SP_REGNUM); /* Br2 *x/ */ -/* OBSOLETE */ -/* OBSOLETE /* Search for this frame (start at current Br2) *x/ */ -/* OBSOLETE do */ -/* OBSOLETE { */ -/* OBSOLETE pointer = framechain(frame); */ -/* OBSOLETE frame->next_frame = frame->frame; */ -/* OBSOLETE frame->frame = pointer; */ -/* OBSOLETE frame->pc = FRAME_SAVED_PC(frame); */ -/* OBSOLETE } */ -/* OBSOLETE while (frame->next_frame != thisframe); */ -/* OBSOLETE #endif */ -/* OBSOLETE */ -/* OBSOLETE pointer = framechain (thisframe); */ -/* OBSOLETE */ -/* OBSOLETE /* stop gap for now, end at __base3 *x/ */ -/* OBSOLETE if (thisframe->pc == 0) */ -/* OBSOLETE return 0; */ -/* OBSOLETE */ -/* OBSOLETE return pointer; */ -/* OBSOLETE } */ -/* OBSOLETE */ -/* OBSOLETE /* */ -/* OBSOLETE * Gdb front-end and internal framechain routine. */ -/* OBSOLETE * Go back up stack one level. Tricky... */ -/* OBSOLETE *x/ */ -/* OBSOLETE CORE_ADDR */ -/* OBSOLETE framechain(frame) */ -/* OBSOLETE register struct frame_info *frame; */ -/* OBSOLETE { */ -/* OBSOLETE register CORE_ADDR func, prevsp; */ -/* OBSOLETE register unsigned value; */ -/* OBSOLETE */ -/* OBSOLETE /* Get real function start address from internal frame address *x/ */ -/* OBSOLETE func = get_pc_function_start(frame->pc); */ -/* OBSOLETE */ -/* OBSOLETE /* If no stack given, read register Br1 "(sp)" *x/ */ -/* OBSOLETE if (!frame->frame) */ -/* OBSOLETE prevsp = read_register (SP_REGNUM); */ -/* OBSOLETE else */ -/* OBSOLETE prevsp = frame->frame; */ -/* OBSOLETE */ -/* OBSOLETE /* Check function header, case #2 *x/ */ -/* OBSOLETE value = read_memory_integer (func, 4); */ -/* OBSOLETE if (value) */ -/* OBSOLETE { */ -/* OBSOLETE /* 32bit call push value stored in function header *x/ */ -/* OBSOLETE prevsp += value; */ -/* OBSOLETE } */ -/* OBSOLETE else */ -/* OBSOLETE { */ -/* OBSOLETE /* read half-word from suabr at start of function *x/ */ -/* OBSOLETE prevsp += read_memory_integer (func + 10, 2); */ -/* OBSOLETE } */ -/* OBSOLETE */ -/* OBSOLETE return (prevsp); */ -/* OBSOLETE } */ |