From 1a14e23479eb187b1837310243d1a3ffe7b95e0c Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Mon, 16 Dec 2002 20:39:23 +0000 Subject: 2002-12-16 Andrew Cagney * config/arc/arc.mt, config/arc/tm-arc.h: Delete. * config/d30v/d30v.mt, config/d30v/tm-d30v.h: Delete. * config/fr30/fr30.mt, config/fr30/tm-fr30.h: Delete. * config/i386/i386aix.mh, config/i386/i386aix.mt: Delete. * config/i386/i386m3.mh, config/i386/i386m3.mt: Delete. * config/i386/i386mach.mh, config/i386/i386os9k.mt: Delete. * config/i386/nm-i386aix.h, config/i386/nm-i386mach.h: Delete. * config/i386/nm-m3.h, config/i386/tm-i386aix.h: Delete. * config/i386/tm-i386m3.h, config/i386/tm-i386mk.h: Delete. * config/i386/xm-i386aix.h, config/i386/xm-i386m3.h: Delete. * config/i386/xm-i386mach.h, config/i386/xm-i386mk.h: Delete. * config/i960/mon960.mt, config/i960/nindy960.mt: Delete. * config/i960/tm-i960.h, config/i960/tm-mon960.h: Delete. * config/i960/tm-nindy960.h, config/i960/tm-vx960.h: Delete. * config/i960/vxworks960.mt, config/m68k/apollo68b.mh: Delete. * config/m68k/apollo68b.mt, config/m68k/apollo68v.mh: Delete. * config/m68k/hp300bsd.mh, config/m68k/hp300bsd.mt: Delete. * config/m68k/hp300hpux.mh, config/m68k/hp300hpux.mt: Delete. * config/m88k/delta88.mh, config/m88k/delta88.mt: Delete. * config/m88k/delta88v4.mh, config/m88k/delta88v4.mt: Delete. * config/m88k/m88k.mh, config/m88k/m88k.mt: Delete. * config/m88k/nm-delta88v4.h, config/m88k/nm-m88k.h: Delete. * config/m88k/tm-delta88.h, config/m88k/tm-delta88v4.h: Delete. * config/m88k/tm-m88k.h, config/m88k/xm-delta88.h: Delete. * config/m88k/xm-dgux.h: Delete. * fr30-tdep.c, i386aix-nat.c, i386m3-nat.c: Delete. * i386mach-nat.c, i960-tdep.c, m88k-nat.c: Delete. * os9kread.c, remote-bug.c, remote-nindy.c: Delete. * remote-nrom.c, remote-os9k.c, remote-vx960.c: Delete. * d30v-tdep.c, arc-tdep.c, cxux-nat.c, dst.h, dstread.c: Delete. * ch-exp.c, ch-lang.c, ch-lang.h, ch-typeprint.c: Delete. * ch-valprint.c: Delete. --- gdb/i960-tdep.c | 1056 ------------------------------------------------------- 1 file changed, 1056 deletions(-) delete mode 100644 gdb/i960-tdep.c (limited to 'gdb/i960-tdep.c') diff --git a/gdb/i960-tdep.c b/gdb/i960-tdep.c deleted file mode 100644 index d059a7b..0000000 --- a/gdb/i960-tdep.c +++ /dev/null @@ -1,1056 +0,0 @@ -// OBSOLETE /* Target-machine dependent code for the Intel 960 -// OBSOLETE -// OBSOLETE Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, -// OBSOLETE 2001, 2002 Free Software Foundation, Inc. -// OBSOLETE -// OBSOLETE Contributed by Intel Corporation. -// OBSOLETE examine_prologue and other parts contributed by Wind River Systems. -// 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, -// OBSOLETE Boston, MA 02111-1307, USA. */ -// OBSOLETE -// OBSOLETE #include "defs.h" -// OBSOLETE #include "symtab.h" -// OBSOLETE #include "value.h" -// OBSOLETE #include "frame.h" -// OBSOLETE #include "floatformat.h" -// OBSOLETE #include "target.h" -// OBSOLETE #include "gdbcore.h" -// OBSOLETE #include "inferior.h" -// OBSOLETE #include "regcache.h" -// OBSOLETE #include "gdb_string.h" -// OBSOLETE -// OBSOLETE static CORE_ADDR next_insn (CORE_ADDR memaddr, -// OBSOLETE unsigned int *pword1, unsigned int *pword2); -// OBSOLETE -// OBSOLETE struct type * -// OBSOLETE i960_register_type (int regnum) -// OBSOLETE { -// OBSOLETE if (regnum < FP0_REGNUM) -// OBSOLETE return builtin_type_int32; -// OBSOLETE else -// OBSOLETE return builtin_type_i960_ext; -// OBSOLETE } -// OBSOLETE -// OBSOLETE -// OBSOLETE /* Does the specified function use the "struct returning" convention -// OBSOLETE or the "value returning" convention? The "value returning" convention -// OBSOLETE almost invariably returns the entire value in registers. The -// OBSOLETE "struct returning" convention often returns the entire value in -// OBSOLETE memory, and passes a pointer (out of or into the function) saying -// OBSOLETE where the value (is or should go). -// OBSOLETE -// OBSOLETE Since this sometimes depends on whether it was compiled with GCC, -// OBSOLETE this is also an argument. This is used in call_function to build a -// OBSOLETE stack, and in value_being_returned to print return values. -// OBSOLETE -// OBSOLETE On i960, a structure is returned in registers g0-g3, if it will fit. -// OBSOLETE If it's more than 16 bytes long, g13 pointed to it on entry. */ -// OBSOLETE -// OBSOLETE int -// OBSOLETE i960_use_struct_convention (int gcc_p, struct type *type) -// OBSOLETE { -// OBSOLETE return (TYPE_LENGTH (type) > 16); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* gdb960 is always running on a non-960 host. Check its characteristics. -// OBSOLETE This routine must be called as part of gdb initialization. */ -// OBSOLETE -// OBSOLETE static void -// OBSOLETE check_host (void) -// OBSOLETE { -// OBSOLETE int i; -// OBSOLETE -// OBSOLETE static struct typestruct -// OBSOLETE { -// OBSOLETE int hostsize; /* Size of type on host */ -// OBSOLETE int i960size; /* Size of type on i960 */ -// OBSOLETE char *typename; /* Name of type, for error msg */ -// OBSOLETE } -// OBSOLETE types[] = -// OBSOLETE { -// OBSOLETE { -// OBSOLETE sizeof (short), 2, "short" -// OBSOLETE } -// OBSOLETE , -// OBSOLETE { -// OBSOLETE sizeof (int), 4, "int" -// OBSOLETE } -// OBSOLETE , -// OBSOLETE { -// OBSOLETE sizeof (long), 4, "long" -// OBSOLETE } -// OBSOLETE , -// OBSOLETE { -// OBSOLETE sizeof (float), 4, "float" -// OBSOLETE } -// OBSOLETE , -// OBSOLETE { -// OBSOLETE sizeof (double), 8, "double" -// OBSOLETE } -// OBSOLETE , -// OBSOLETE { -// OBSOLETE sizeof (char *), 4, "pointer" -// OBSOLETE } -// OBSOLETE , -// OBSOLETE }; -// OBSOLETE #define TYPELEN (sizeof(types) / sizeof(struct typestruct)) -// OBSOLETE -// OBSOLETE /* Make sure that host type sizes are same as i960 -// OBSOLETE */ -// OBSOLETE for (i = 0; i < TYPELEN; i++) -// OBSOLETE { -// OBSOLETE if (types[i].hostsize != types[i].i960size) -// OBSOLETE { -// OBSOLETE printf_unfiltered ("sizeof(%s) != %d: PROCEED AT YOUR OWN RISK!\n", -// OBSOLETE types[i].typename, types[i].i960size); -// OBSOLETE } -// OBSOLETE -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Is this register part of the register window system? A yes answer -// OBSOLETE implies that 1) The name of this register will not be the same in -// OBSOLETE other frames, and 2) This register is automatically "saved" upon -// OBSOLETE subroutine calls and thus there is no need to search more than one -// OBSOLETE stack frame for it. -// OBSOLETE -// OBSOLETE On the i960, in fact, the name of this register in another frame is -// OBSOLETE "mud" -- there is no overlap between the windows. Each window is -// OBSOLETE simply saved into the stack (true for our purposes, after having been -// OBSOLETE flushed; normally they reside on-chip and are restored from on-chip -// OBSOLETE without ever going to memory). */ -// OBSOLETE -// OBSOLETE static int -// OBSOLETE register_in_window_p (int regnum) -// OBSOLETE { -// OBSOLETE return regnum <= R15_REGNUM; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* i960_find_saved_register () -// OBSOLETE -// OBSOLETE Return the address in which frame FRAME's value of register REGNUM -// OBSOLETE has been saved in memory. Or return zero if it has not been saved. -// OBSOLETE If REGNUM specifies the SP, the value we return is actually the SP -// OBSOLETE value, not an address where it was saved. */ -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE i960_find_saved_register (struct frame_info *frame, int regnum) -// OBSOLETE { -// OBSOLETE register struct frame_info *frame1 = NULL; -// OBSOLETE register CORE_ADDR addr = 0; -// OBSOLETE -// OBSOLETE if (frame == NULL) /* No regs saved if want current frame */ -// OBSOLETE return 0; -// OBSOLETE -// OBSOLETE /* We assume that a register in a register window will only be saved -// OBSOLETE in one place (since the name changes and/or disappears as you go -// OBSOLETE towards inner frames), so we only call get_frame_saved_regs on -// OBSOLETE the current frame. This is directly in contradiction to the -// OBSOLETE usage below, which assumes that registers used in a frame must be -// OBSOLETE saved in a lower (more interior) frame. This change is a result -// OBSOLETE of working on a register window machine; get_frame_saved_regs -// OBSOLETE always returns the registers saved within a frame, within the -// OBSOLETE context (register namespace) of that frame. */ -// OBSOLETE -// OBSOLETE /* However, note that we don't want this to return anything if -// OBSOLETE nothing is saved (if there's a frame inside of this one). Also, -// OBSOLETE callers to this routine asking for the stack pointer want the -// OBSOLETE stack pointer saved for *this* frame; this is returned from the -// OBSOLETE next frame. */ -// OBSOLETE -// OBSOLETE if (register_in_window_p (regnum)) -// OBSOLETE { -// OBSOLETE frame1 = get_next_frame (frame); -// OBSOLETE if (!frame1) -// OBSOLETE return 0; /* Registers of this frame are active. */ -// OBSOLETE -// OBSOLETE /* Get the SP from the next frame in; it will be this -// OBSOLETE current frame. */ -// OBSOLETE if (regnum != SP_REGNUM) -// OBSOLETE frame1 = frame; -// OBSOLETE -// OBSOLETE FRAME_INIT_SAVED_REGS (frame1); -// OBSOLETE return frame1->saved_regs[regnum]; /* ... which might be zero */ -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Note that this next routine assumes that registers used in -// OBSOLETE frame x will be saved only in the frame that x calls and -// OBSOLETE frames interior to it. This is not true on the sparc, but the -// OBSOLETE above macro takes care of it, so we should be all right. */ -// OBSOLETE while (1) -// OBSOLETE { -// OBSOLETE QUIT; -// OBSOLETE frame1 = get_next_frame (frame); -// OBSOLETE if (frame1 == 0) -// OBSOLETE break; -// OBSOLETE frame = frame1; -// OBSOLETE FRAME_INIT_SAVED_REGS (frame1); -// OBSOLETE if (frame1->saved_regs[regnum]) -// OBSOLETE addr = frame1->saved_regs[regnum]; -// OBSOLETE } -// OBSOLETE -// OBSOLETE return addr; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* i960_get_saved_register () -// OBSOLETE -// OBSOLETE Find register number REGNUM relative to FRAME and put its (raw, -// OBSOLETE target format) contents in *RAW_BUFFER. Set *OPTIMIZED if the -// OBSOLETE variable was optimized out (and thus can't be fetched). Set *LVAL -// OBSOLETE to lval_memory, lval_register, or not_lval, depending on whether -// OBSOLETE the value was fetched from memory, from a register, or in a strange -// OBSOLETE and non-modifiable way (e.g. a frame pointer which was calculated -// OBSOLETE rather than fetched). Set *ADDRP to the address, either in memory -// OBSOLETE on as a REGISTER_BYTE offset into the registers array. -// OBSOLETE -// OBSOLETE Note that this implementation never sets *LVAL to not_lval. But it -// OBSOLETE can be replaced by defining GET_SAVED_REGISTER and supplying your -// OBSOLETE own. -// OBSOLETE -// OBSOLETE The argument RAW_BUFFER must point to aligned memory. */ -// OBSOLETE -// OBSOLETE void -// OBSOLETE i960_get_saved_register (char *raw_buffer, -// OBSOLETE int *optimized, -// OBSOLETE CORE_ADDR *addrp, -// OBSOLETE struct frame_info *frame, -// OBSOLETE int regnum, -// OBSOLETE enum lval_type *lval) -// OBSOLETE { -// OBSOLETE CORE_ADDR addr; -// OBSOLETE -// OBSOLETE if (!target_has_registers) -// OBSOLETE error ("No registers."); -// OBSOLETE -// OBSOLETE /* Normal systems don't optimize out things with register numbers. */ -// OBSOLETE if (optimized != NULL) -// OBSOLETE *optimized = 0; -// OBSOLETE addr = i960_find_saved_register (frame, regnum); -// OBSOLETE if (addr != 0) -// OBSOLETE { -// OBSOLETE if (lval != NULL) -// OBSOLETE *lval = lval_memory; -// OBSOLETE if (regnum == SP_REGNUM) -// OBSOLETE { -// OBSOLETE if (raw_buffer != NULL) -// OBSOLETE { -// OBSOLETE /* Put it back in target format. */ -// OBSOLETE store_address (raw_buffer, REGISTER_RAW_SIZE (regnum), -// OBSOLETE (LONGEST) addr); -// OBSOLETE } -// OBSOLETE if (addrp != NULL) -// OBSOLETE *addrp = 0; -// OBSOLETE return; -// OBSOLETE } -// OBSOLETE if (raw_buffer != NULL) -// OBSOLETE target_read_memory (addr, raw_buffer, REGISTER_RAW_SIZE (regnum)); -// OBSOLETE } -// OBSOLETE else -// OBSOLETE { -// OBSOLETE if (lval != NULL) -// OBSOLETE *lval = lval_register; -// OBSOLETE addr = REGISTER_BYTE (regnum); -// OBSOLETE if (raw_buffer != NULL) -// OBSOLETE read_register_gen (regnum, raw_buffer); -// OBSOLETE } -// OBSOLETE if (addrp != NULL) -// OBSOLETE *addrp = addr; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Examine an i960 function prologue, recording the addresses at which -// OBSOLETE registers are saved explicitly by the prologue code, and returning -// OBSOLETE the address of the first instruction after the prologue (but not -// OBSOLETE after the instruction at address LIMIT, as explained below). -// OBSOLETE -// OBSOLETE LIMIT places an upper bound on addresses of the instructions to be -// OBSOLETE examined. If the prologue code scan reaches LIMIT, the scan is -// OBSOLETE aborted and LIMIT is returned. This is used, when examining the -// OBSOLETE prologue for the current frame, to keep examine_prologue () from -// OBSOLETE claiming that a given register has been saved when in fact the -// OBSOLETE instruction that saves it has not yet been executed. LIMIT is used -// OBSOLETE at other times to stop the scan when we hit code after the true -// OBSOLETE function prologue (e.g. for the first source line) which might -// OBSOLETE otherwise be mistaken for function prologue. -// OBSOLETE -// OBSOLETE The format of the function prologue matched by this routine is -// OBSOLETE derived from examination of the source to gcc960 1.21, particularly -// OBSOLETE the routine i960_function_prologue (). A "regular expression" for -// OBSOLETE the function prologue is given below: -// OBSOLETE -// OBSOLETE (lda LRn, g14 -// OBSOLETE mov g14, g[0-7] -// OBSOLETE (mov 0, g14) | (lda 0, g14))? -// OBSOLETE -// OBSOLETE (mov[qtl]? g[0-15], r[4-15])* -// OBSOLETE ((addo [1-31], sp, sp) | (lda n(sp), sp))? -// OBSOLETE (st[qtl]? g[0-15], n(fp))* -// OBSOLETE -// OBSOLETE (cmpobne 0, g14, LFn -// OBSOLETE mov sp, g14 -// OBSOLETE lda 0x30(sp), sp -// OBSOLETE LFn: stq g0, (g14) -// OBSOLETE stq g4, 0x10(g14) -// OBSOLETE stq g8, 0x20(g14))? -// OBSOLETE -// OBSOLETE (st g14, n(fp))? -// OBSOLETE (mov g13,r[4-15])? -// OBSOLETE */ -// OBSOLETE -// OBSOLETE /* Macros for extracting fields from i960 instructions. */ -// OBSOLETE -// OBSOLETE #define BITMASK(pos, width) (((0x1 << (width)) - 1) << (pos)) -// OBSOLETE #define EXTRACT_FIELD(val, pos, width) ((val) >> (pos) & BITMASK (0, width)) -// OBSOLETE -// OBSOLETE #define REG_SRC1(insn) EXTRACT_FIELD (insn, 0, 5) -// OBSOLETE #define REG_SRC2(insn) EXTRACT_FIELD (insn, 14, 5) -// OBSOLETE #define REG_SRCDST(insn) EXTRACT_FIELD (insn, 19, 5) -// OBSOLETE #define MEM_SRCDST(insn) EXTRACT_FIELD (insn, 19, 5) -// OBSOLETE #define MEMA_OFFSET(insn) EXTRACT_FIELD (insn, 0, 12) -// OBSOLETE -// OBSOLETE /* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or -// OBSOLETE is not the address of a valid instruction, the address of the next -// OBSOLETE instruction beyond ADDR otherwise. *PWORD1 receives the first word -// OBSOLETE of the instruction, and (for two-word instructions), *PWORD2 receives -// OBSOLETE the second. */ -// OBSOLETE -// OBSOLETE #define NEXT_PROLOGUE_INSN(addr, lim, pword1, pword2) \ -// OBSOLETE (((addr) < (lim)) ? next_insn (addr, pword1, pword2) : 0) -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE examine_prologue (register CORE_ADDR ip, register CORE_ADDR limit, -// OBSOLETE CORE_ADDR frame_addr, struct frame_saved_regs *fsr) -// OBSOLETE { -// OBSOLETE register CORE_ADDR next_ip; -// OBSOLETE register int src, dst; -// OBSOLETE register unsigned int *pcode; -// OBSOLETE unsigned int insn1, insn2; -// OBSOLETE int size; -// OBSOLETE int within_leaf_prologue; -// OBSOLETE CORE_ADDR save_addr; -// OBSOLETE static unsigned int varargs_prologue_code[] = -// OBSOLETE { -// OBSOLETE 0x3507a00c, /* cmpobne 0x0, g14, LFn */ -// OBSOLETE 0x5cf01601, /* mov sp, g14 */ -// OBSOLETE 0x8c086030, /* lda 0x30(sp), sp */ -// OBSOLETE 0xb2879000, /* LFn: stq g0, (g14) */ -// OBSOLETE 0xb2a7a010, /* stq g4, 0x10(g14) */ -// OBSOLETE 0xb2c7a020 /* stq g8, 0x20(g14) */ -// OBSOLETE }; -// OBSOLETE -// OBSOLETE /* Accept a leaf procedure prologue code fragment if present. -// OBSOLETE Note that ip might point to either the leaf or non-leaf -// OBSOLETE entry point; we look for the non-leaf entry point first: */ -// OBSOLETE -// OBSOLETE within_leaf_prologue = 0; -// OBSOLETE if ((next_ip = NEXT_PROLOGUE_INSN (ip, limit, &insn1, &insn2)) -// OBSOLETE && ((insn1 & 0xfffff000) == 0x8cf00000 /* lda LRx, g14 (MEMA) */ -// OBSOLETE || (insn1 & 0xfffffc60) == 0x8cf03000)) /* lda LRx, g14 (MEMB) */ -// OBSOLETE { -// OBSOLETE within_leaf_prologue = 1; -// OBSOLETE next_ip = NEXT_PROLOGUE_INSN (next_ip, limit, &insn1, &insn2); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Now look for the prologue code at a leaf entry point: */ -// OBSOLETE -// OBSOLETE if (next_ip -// OBSOLETE && (insn1 & 0xff87ffff) == 0x5c80161e /* mov g14, gx */ -// OBSOLETE && REG_SRCDST (insn1) <= G0_REGNUM + 7) -// OBSOLETE { -// OBSOLETE within_leaf_prologue = 1; -// OBSOLETE if ((next_ip = NEXT_PROLOGUE_INSN (next_ip, limit, &insn1, &insn2)) -// OBSOLETE && (insn1 == 0x8cf00000 /* lda 0, g14 */ -// OBSOLETE || insn1 == 0x5cf01e00)) /* mov 0, g14 */ -// OBSOLETE { -// OBSOLETE ip = next_ip; -// OBSOLETE next_ip = NEXT_PROLOGUE_INSN (ip, limit, &insn1, &insn2); -// OBSOLETE within_leaf_prologue = 0; -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* If something that looks like the beginning of a leaf prologue -// OBSOLETE has been seen, but the remainder of the prologue is missing, bail. -// OBSOLETE We don't know what we've got. */ -// OBSOLETE -// OBSOLETE if (within_leaf_prologue) -// OBSOLETE return (ip); -// OBSOLETE -// OBSOLETE /* Accept zero or more instances of "mov[qtl]? gx, ry", where y >= 4. -// OBSOLETE This may cause us to mistake the moving of a register -// OBSOLETE parameter to a local register for the saving of a callee-saved -// OBSOLETE register, but that can't be helped, since with the -// OBSOLETE "-fcall-saved" flag, any register can be made callee-saved. */ -// OBSOLETE -// OBSOLETE while (next_ip -// OBSOLETE && (insn1 & 0xfc802fb0) == 0x5c000610 -// OBSOLETE && (dst = REG_SRCDST (insn1)) >= (R0_REGNUM + 4)) -// OBSOLETE { -// OBSOLETE src = REG_SRC1 (insn1); -// OBSOLETE size = EXTRACT_FIELD (insn1, 24, 2) + 1; -// OBSOLETE save_addr = frame_addr + ((dst - R0_REGNUM) * 4); -// OBSOLETE while (size--) -// OBSOLETE { -// OBSOLETE fsr->regs[src++] = save_addr; -// OBSOLETE save_addr += 4; -// OBSOLETE } -// OBSOLETE ip = next_ip; -// OBSOLETE next_ip = NEXT_PROLOGUE_INSN (ip, limit, &insn1, &insn2); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Accept an optional "addo n, sp, sp" or "lda n(sp), sp". */ -// OBSOLETE -// OBSOLETE if (next_ip && -// OBSOLETE ((insn1 & 0xffffffe0) == 0x59084800 /* addo n, sp, sp */ -// OBSOLETE || (insn1 & 0xfffff000) == 0x8c086000 /* lda n(sp), sp (MEMA) */ -// OBSOLETE || (insn1 & 0xfffffc60) == 0x8c087400)) /* lda n(sp), sp (MEMB) */ -// OBSOLETE { -// OBSOLETE ip = next_ip; -// OBSOLETE next_ip = NEXT_PROLOGUE_INSN (ip, limit, &insn1, &insn2); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Accept zero or more instances of "st[qtl]? gx, n(fp)". -// OBSOLETE This may cause us to mistake the copying of a register -// OBSOLETE parameter to the frame for the saving of a callee-saved -// OBSOLETE register, but that can't be helped, since with the -// OBSOLETE "-fcall-saved" flag, any register can be made callee-saved. -// OBSOLETE We can, however, refuse to accept a save of register g14, -// OBSOLETE since that is matched explicitly below. */ -// OBSOLETE -// OBSOLETE while (next_ip && -// OBSOLETE ((insn1 & 0xf787f000) == 0x9287e000 /* stl? gx, n(fp) (MEMA) */ -// OBSOLETE || (insn1 & 0xf787fc60) == 0x9287f400 /* stl? gx, n(fp) (MEMB) */ -// OBSOLETE || (insn1 & 0xef87f000) == 0xa287e000 /* st[tq] gx, n(fp) (MEMA) */ -// OBSOLETE || (insn1 & 0xef87fc60) == 0xa287f400) /* st[tq] gx, n(fp) (MEMB) */ -// OBSOLETE && ((src = MEM_SRCDST (insn1)) != G14_REGNUM)) -// OBSOLETE { -// OBSOLETE save_addr = frame_addr + ((insn1 & BITMASK (12, 1)) -// OBSOLETE ? insn2 : MEMA_OFFSET (insn1)); -// OBSOLETE size = (insn1 & BITMASK (29, 1)) ? ((insn1 & BITMASK (28, 1)) ? 4 : 3) -// OBSOLETE : ((insn1 & BITMASK (27, 1)) ? 2 : 1); -// OBSOLETE while (size--) -// OBSOLETE { -// OBSOLETE fsr->regs[src++] = save_addr; -// OBSOLETE save_addr += 4; -// OBSOLETE } -// OBSOLETE ip = next_ip; -// OBSOLETE next_ip = NEXT_PROLOGUE_INSN (ip, limit, &insn1, &insn2); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Accept the varargs prologue code if present. */ -// OBSOLETE -// OBSOLETE size = sizeof (varargs_prologue_code) / sizeof (int); -// OBSOLETE pcode = varargs_prologue_code; -// OBSOLETE while (size-- && next_ip && *pcode++ == insn1) -// OBSOLETE { -// OBSOLETE ip = next_ip; -// OBSOLETE next_ip = NEXT_PROLOGUE_INSN (ip, limit, &insn1, &insn2); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Accept an optional "st g14, n(fp)". */ -// OBSOLETE -// OBSOLETE if (next_ip && -// OBSOLETE ((insn1 & 0xfffff000) == 0x92f7e000 /* st g14, n(fp) (MEMA) */ -// OBSOLETE || (insn1 & 0xfffffc60) == 0x92f7f400)) /* st g14, n(fp) (MEMB) */ -// OBSOLETE { -// OBSOLETE fsr->regs[G14_REGNUM] = frame_addr + ((insn1 & BITMASK (12, 1)) -// OBSOLETE ? insn2 : MEMA_OFFSET (insn1)); -// OBSOLETE ip = next_ip; -// OBSOLETE next_ip = NEXT_PROLOGUE_INSN (ip, limit, &insn1, &insn2); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Accept zero or one instance of "mov g13, ry", where y >= 4. -// OBSOLETE This is saving the address where a struct should be returned. */ -// OBSOLETE -// OBSOLETE if (next_ip -// OBSOLETE && (insn1 & 0xff802fbf) == 0x5c00061d -// OBSOLETE && (dst = REG_SRCDST (insn1)) >= (R0_REGNUM + 4)) -// OBSOLETE { -// OBSOLETE save_addr = frame_addr + ((dst - R0_REGNUM) * 4); -// OBSOLETE fsr->regs[G0_REGNUM + 13] = save_addr; -// OBSOLETE ip = next_ip; -// OBSOLETE #if 0 /* We'll need this once there is a subsequent instruction examined. */ -// OBSOLETE next_ip = NEXT_PROLOGUE_INSN (ip, limit, &insn1, &insn2); -// OBSOLETE #endif -// OBSOLETE } -// OBSOLETE -// OBSOLETE return (ip); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Given an ip value corresponding to the start of a function, -// OBSOLETE return the ip of the first instruction after the function -// OBSOLETE prologue. */ -// OBSOLETE -// OBSOLETE CORE_ADDR -// OBSOLETE i960_skip_prologue (CORE_ADDR ip) -// OBSOLETE { -// OBSOLETE struct frame_saved_regs saved_regs_dummy; -// OBSOLETE struct symtab_and_line sal; -// OBSOLETE CORE_ADDR limit; -// OBSOLETE -// OBSOLETE sal = find_pc_line (ip, 0); -// OBSOLETE limit = (sal.end) ? sal.end : 0xffffffff; -// OBSOLETE -// OBSOLETE return (examine_prologue (ip, limit, (CORE_ADDR) 0, &saved_regs_dummy)); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Put here the code to store, into a struct frame_saved_regs, -// OBSOLETE the addresses of the saved registers of frame described by FRAME_INFO. -// OBSOLETE This includes special registers such as pc and fp saved in special -// OBSOLETE ways in the stack frame. sp is even more special: -// OBSOLETE the address we return for it IS the sp for the next frame. -// OBSOLETE -// OBSOLETE We cache the result of doing this in the frame_obstack, since it is -// OBSOLETE fairly expensive. */ -// OBSOLETE -// OBSOLETE void -// OBSOLETE frame_find_saved_regs (struct frame_info *fi, struct frame_saved_regs *fsr) -// OBSOLETE { -// OBSOLETE register CORE_ADDR next_addr; -// OBSOLETE register CORE_ADDR *saved_regs; -// OBSOLETE register int regnum; -// OBSOLETE register struct frame_saved_regs *cache_fsr; -// OBSOLETE CORE_ADDR ip; -// OBSOLETE struct symtab_and_line sal; -// OBSOLETE CORE_ADDR limit; -// OBSOLETE -// OBSOLETE if (!fi->fsr) -// OBSOLETE { -// OBSOLETE cache_fsr = (struct frame_saved_regs *) -// OBSOLETE frame_obstack_alloc (sizeof (struct frame_saved_regs)); -// OBSOLETE memset (cache_fsr, '\0', sizeof (struct frame_saved_regs)); -// OBSOLETE fi->fsr = cache_fsr; -// OBSOLETE -// OBSOLETE /* Find the start and end of the function prologue. If the PC -// OBSOLETE is in the function prologue, we only consider the part that -// OBSOLETE has executed already. */ -// OBSOLETE -// OBSOLETE ip = get_pc_function_start (fi->pc); -// OBSOLETE sal = find_pc_line (ip, 0); -// OBSOLETE limit = (sal.end && sal.end < fi->pc) ? sal.end : fi->pc; -// OBSOLETE -// OBSOLETE examine_prologue (ip, limit, fi->frame, cache_fsr); -// OBSOLETE -// OBSOLETE /* Record the addresses at which the local registers are saved. -// OBSOLETE Strictly speaking, we should only do this for non-leaf procedures, -// OBSOLETE but no one will ever look at these values if it is a leaf procedure, -// OBSOLETE since local registers are always caller-saved. */ -// OBSOLETE -// OBSOLETE next_addr = (CORE_ADDR) fi->frame; -// OBSOLETE saved_regs = cache_fsr->regs; -// OBSOLETE for (regnum = R0_REGNUM; regnum <= R15_REGNUM; regnum++) -// OBSOLETE { -// OBSOLETE *saved_regs++ = next_addr; -// OBSOLETE next_addr += 4; -// OBSOLETE } -// OBSOLETE -// OBSOLETE cache_fsr->regs[FP_REGNUM] = cache_fsr->regs[PFP_REGNUM]; -// OBSOLETE } -// OBSOLETE -// OBSOLETE *fsr = *fi->fsr; -// OBSOLETE -// OBSOLETE /* Fetch the value of the sp from memory every time, since it -// OBSOLETE is conceivable that it has changed since the cache was flushed. -// OBSOLETE This unfortunately undoes much of the savings from caching the -// OBSOLETE saved register values. I suggest adding an argument to -// OBSOLETE get_frame_saved_regs () specifying the register number we're -// OBSOLETE interested in (or -1 for all registers). This would be passed -// OBSOLETE through to FRAME_FIND_SAVED_REGS (), permitting more efficient -// OBSOLETE computation of saved register addresses (e.g., on the i960, -// OBSOLETE we don't have to examine the prologue to find local registers). -// OBSOLETE -- markf@wrs.com -// OBSOLETE FIXME, we don't need to refetch this, since the cache is cleared -// OBSOLETE every time the child process is restarted. If GDB itself -// OBSOLETE modifies SP, it has to clear the cache by hand (does it?). -gnu */ -// OBSOLETE -// OBSOLETE fsr->regs[SP_REGNUM] = read_memory_integer (fsr->regs[SP_REGNUM], 4); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Return the address of the argument block for the frame -// OBSOLETE described by FI. Returns 0 if the address is unknown. */ -// OBSOLETE -// OBSOLETE CORE_ADDR -// OBSOLETE frame_args_address (struct frame_info *fi, int must_be_correct) -// OBSOLETE { -// OBSOLETE struct frame_saved_regs fsr; -// OBSOLETE CORE_ADDR ap; -// OBSOLETE -// OBSOLETE /* If g14 was saved in the frame by the function prologue code, return -// OBSOLETE the saved value. If the frame is current and we are being sloppy, -// OBSOLETE return the value of g14. Otherwise, return zero. */ -// OBSOLETE -// OBSOLETE get_frame_saved_regs (fi, &fsr); -// OBSOLETE if (fsr.regs[G14_REGNUM]) -// OBSOLETE ap = read_memory_integer (fsr.regs[G14_REGNUM], 4); -// OBSOLETE else -// OBSOLETE { -// OBSOLETE if (must_be_correct) -// OBSOLETE return 0; /* Don't cache this result */ -// OBSOLETE if (get_next_frame (fi)) -// OBSOLETE ap = 0; -// OBSOLETE else -// OBSOLETE ap = read_register (G14_REGNUM); -// OBSOLETE if (ap == 0) -// OBSOLETE ap = fi->frame; -// OBSOLETE } -// OBSOLETE fi->arg_pointer = ap; /* Cache it for next time */ -// OBSOLETE return ap; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Return the address of the return struct for the frame -// OBSOLETE described by FI. Returns 0 if the address is unknown. */ -// OBSOLETE -// OBSOLETE CORE_ADDR -// OBSOLETE frame_struct_result_address (struct frame_info *fi) -// OBSOLETE { -// OBSOLETE struct frame_saved_regs fsr; -// OBSOLETE CORE_ADDR ap; -// OBSOLETE -// OBSOLETE /* If the frame is non-current, check to see if g14 was saved in the -// OBSOLETE frame by the function prologue code; return the saved value if so, -// OBSOLETE zero otherwise. If the frame is current, return the value of g14. -// OBSOLETE -// OBSOLETE FIXME, shouldn't this use the saved value as long as we are past -// OBSOLETE the function prologue, and only use the current value if we have -// OBSOLETE no saved value and are at TOS? -- gnu@cygnus.com */ -// OBSOLETE -// OBSOLETE if (get_next_frame (fi)) -// OBSOLETE { -// OBSOLETE get_frame_saved_regs (fi, &fsr); -// OBSOLETE if (fsr.regs[G13_REGNUM]) -// OBSOLETE ap = read_memory_integer (fsr.regs[G13_REGNUM], 4); -// OBSOLETE else -// OBSOLETE ap = 0; -// OBSOLETE } -// OBSOLETE else -// OBSOLETE ap = read_register (G13_REGNUM); -// OBSOLETE -// OBSOLETE return ap; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Return address to which the currently executing leafproc will return, -// OBSOLETE or 0 if IP, the value of the instruction pointer from the currently -// OBSOLETE executing function, is not in a leafproc (or if we can't tell if it -// OBSOLETE is). -// OBSOLETE -// OBSOLETE Do this by finding the starting address of the routine in which IP lies. -// OBSOLETE If the instruction there is "mov g14, gx" (where x is in [0,7]), this -// OBSOLETE is a leafproc and the return address is in register gx. Well, this is -// OBSOLETE true unless the return address points at a RET instruction in the current -// OBSOLETE procedure, which indicates that we have a 'dual entry' routine that -// OBSOLETE has been entered through the CALL entry point. */ -// OBSOLETE -// OBSOLETE CORE_ADDR -// OBSOLETE leafproc_return (CORE_ADDR ip) -// OBSOLETE { -// OBSOLETE register struct minimal_symbol *msymbol; -// OBSOLETE char *p; -// OBSOLETE int dst; -// OBSOLETE unsigned int insn1, insn2; -// OBSOLETE CORE_ADDR return_addr; -// OBSOLETE -// OBSOLETE if ((msymbol = lookup_minimal_symbol_by_pc (ip)) != NULL) -// OBSOLETE { -// OBSOLETE if ((p = strchr (SYMBOL_NAME (msymbol), '.')) && STREQ (p, ".lf")) -// OBSOLETE { -// OBSOLETE if (next_insn (SYMBOL_VALUE_ADDRESS (msymbol), &insn1, &insn2) -// OBSOLETE && (insn1 & 0xff87ffff) == 0x5c80161e /* mov g14, gx */ -// OBSOLETE && (dst = REG_SRCDST (insn1)) <= G0_REGNUM + 7) -// OBSOLETE { -// OBSOLETE /* Get the return address. If the "mov g14, gx" -// OBSOLETE instruction hasn't been executed yet, read -// OBSOLETE the return address from g14; otherwise, read it -// OBSOLETE from the register into which g14 was moved. */ -// OBSOLETE -// OBSOLETE return_addr = -// OBSOLETE read_register ((ip == SYMBOL_VALUE_ADDRESS (msymbol)) -// OBSOLETE ? G14_REGNUM : dst); -// OBSOLETE -// OBSOLETE /* We know we are in a leaf procedure, but we don't know -// OBSOLETE whether the caller actually did a "bal" to the ".lf" -// OBSOLETE entry point, or a normal "call" to the non-leaf entry -// OBSOLETE point one instruction before. In the latter case, the -// OBSOLETE return address will be the address of a "ret" -// OBSOLETE instruction within the procedure itself. We test for -// OBSOLETE this below. */ -// OBSOLETE -// OBSOLETE if (!next_insn (return_addr, &insn1, &insn2) -// OBSOLETE || (insn1 & 0xff000000) != 0xa000000 /* ret */ -// OBSOLETE || lookup_minimal_symbol_by_pc (return_addr) != msymbol) -// OBSOLETE return (return_addr); -// OBSOLETE } -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE return (0); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Immediately after a function call, return the saved pc. -// OBSOLETE Can't go through the frames for this because on some machines -// OBSOLETE the new frame is not set up until the new function executes -// OBSOLETE some instructions. -// OBSOLETE On the i960, the frame *is* set up immediately after the call, -// OBSOLETE unless the function is a leaf procedure. */ -// OBSOLETE -// OBSOLETE CORE_ADDR -// OBSOLETE saved_pc_after_call (struct frame_info *frame) -// OBSOLETE { -// OBSOLETE CORE_ADDR saved_pc; -// OBSOLETE -// OBSOLETE saved_pc = leafproc_return (get_frame_pc (frame)); -// OBSOLETE if (!saved_pc) -// OBSOLETE saved_pc = FRAME_SAVED_PC (frame); -// OBSOLETE -// OBSOLETE return saved_pc; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Discard from the stack the innermost frame, -// OBSOLETE restoring all saved registers. */ -// OBSOLETE -// OBSOLETE void -// OBSOLETE i960_pop_frame (void) -// OBSOLETE { -// OBSOLETE register struct frame_info *current_fi, *prev_fi; -// OBSOLETE register int i; -// OBSOLETE CORE_ADDR save_addr; -// OBSOLETE CORE_ADDR leaf_return_addr; -// OBSOLETE struct frame_saved_regs fsr; -// OBSOLETE char local_regs_buf[16 * 4]; -// OBSOLETE -// OBSOLETE current_fi = get_current_frame (); -// OBSOLETE -// OBSOLETE /* First, undo what the hardware does when we return. -// OBSOLETE If this is a non-leaf procedure, restore local registers from -// OBSOLETE the save area in the calling frame. Otherwise, load the return -// OBSOLETE address obtained from leafproc_return () into the rip. */ -// OBSOLETE -// OBSOLETE leaf_return_addr = leafproc_return (current_fi->pc); -// OBSOLETE if (!leaf_return_addr) -// OBSOLETE { -// OBSOLETE /* Non-leaf procedure. Restore local registers, incl IP. */ -// OBSOLETE prev_fi = get_prev_frame (current_fi); -// OBSOLETE read_memory (prev_fi->frame, local_regs_buf, sizeof (local_regs_buf)); -// OBSOLETE write_register_bytes (REGISTER_BYTE (R0_REGNUM), local_regs_buf, -// OBSOLETE sizeof (local_regs_buf)); -// OBSOLETE -// OBSOLETE /* Restore frame pointer. */ -// OBSOLETE write_register (FP_REGNUM, prev_fi->frame); -// OBSOLETE } -// OBSOLETE else -// OBSOLETE { -// OBSOLETE /* Leaf procedure. Just restore the return address into the IP. */ -// OBSOLETE write_register (RIP_REGNUM, leaf_return_addr); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Now restore any global regs that the current function had saved. */ -// OBSOLETE get_frame_saved_regs (current_fi, &fsr); -// OBSOLETE for (i = G0_REGNUM; i < G14_REGNUM; i++) -// OBSOLETE { -// OBSOLETE save_addr = fsr.regs[i]; -// OBSOLETE if (save_addr != 0) -// OBSOLETE write_register (i, read_memory_integer (save_addr, 4)); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Flush the frame cache, create a frame for the new innermost frame, -// OBSOLETE and make it the current frame. */ -// OBSOLETE -// OBSOLETE flush_cached_frames (); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Given a 960 stop code (fault or trace), return the signal which -// OBSOLETE corresponds. */ -// OBSOLETE -// OBSOLETE enum target_signal -// OBSOLETE i960_fault_to_signal (int fault) -// OBSOLETE { -// OBSOLETE switch (fault) -// OBSOLETE { -// OBSOLETE case 0: -// OBSOLETE return TARGET_SIGNAL_BUS; /* parallel fault */ -// OBSOLETE case 1: -// OBSOLETE return TARGET_SIGNAL_UNKNOWN; -// OBSOLETE case 2: -// OBSOLETE return TARGET_SIGNAL_ILL; /* operation fault */ -// OBSOLETE case 3: -// OBSOLETE return TARGET_SIGNAL_FPE; /* arithmetic fault */ -// OBSOLETE case 4: -// OBSOLETE return TARGET_SIGNAL_FPE; /* floating point fault */ -// OBSOLETE -// OBSOLETE /* constraint fault. This appears not to distinguish between -// OBSOLETE a range constraint fault (which should be SIGFPE) and a privileged -// OBSOLETE fault (which should be SIGILL). */ -// OBSOLETE case 5: -// OBSOLETE return TARGET_SIGNAL_ILL; -// OBSOLETE -// OBSOLETE case 6: -// OBSOLETE return TARGET_SIGNAL_SEGV; /* virtual memory fault */ -// OBSOLETE -// OBSOLETE /* protection fault. This is for an out-of-range argument to -// OBSOLETE "calls". I guess it also could be SIGILL. */ -// OBSOLETE case 7: -// OBSOLETE return TARGET_SIGNAL_SEGV; -// OBSOLETE -// OBSOLETE case 8: -// OBSOLETE return TARGET_SIGNAL_BUS; /* machine fault */ -// OBSOLETE case 9: -// OBSOLETE return TARGET_SIGNAL_BUS; /* structural fault */ -// OBSOLETE case 0xa: -// OBSOLETE return TARGET_SIGNAL_ILL; /* type fault */ -// OBSOLETE case 0xb: -// OBSOLETE return TARGET_SIGNAL_UNKNOWN; /* reserved fault */ -// OBSOLETE case 0xc: -// OBSOLETE return TARGET_SIGNAL_BUS; /* process fault */ -// OBSOLETE case 0xd: -// OBSOLETE return TARGET_SIGNAL_SEGV; /* descriptor fault */ -// OBSOLETE case 0xe: -// OBSOLETE return TARGET_SIGNAL_BUS; /* event fault */ -// OBSOLETE case 0xf: -// OBSOLETE return TARGET_SIGNAL_UNKNOWN; /* reserved fault */ -// OBSOLETE case 0x10: -// OBSOLETE return TARGET_SIGNAL_TRAP; /* single-step trace */ -// OBSOLETE case 0x11: -// OBSOLETE return TARGET_SIGNAL_TRAP; /* branch trace */ -// OBSOLETE case 0x12: -// OBSOLETE return TARGET_SIGNAL_TRAP; /* call trace */ -// OBSOLETE case 0x13: -// OBSOLETE return TARGET_SIGNAL_TRAP; /* return trace */ -// OBSOLETE case 0x14: -// OBSOLETE return TARGET_SIGNAL_TRAP; /* pre-return trace */ -// OBSOLETE case 0x15: -// OBSOLETE return TARGET_SIGNAL_TRAP; /* supervisor call trace */ -// OBSOLETE case 0x16: -// OBSOLETE return TARGET_SIGNAL_TRAP; /* breakpoint trace */ -// OBSOLETE default: -// OBSOLETE return TARGET_SIGNAL_UNKNOWN; -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE /****************************************/ -// OBSOLETE /* MEM format */ -// OBSOLETE /****************************************/ -// OBSOLETE -// OBSOLETE struct tabent -// OBSOLETE { -// OBSOLETE char *name; -// OBSOLETE char numops; -// OBSOLETE }; -// OBSOLETE -// OBSOLETE /* Return instruction length, either 4 or 8. When NOPRINT is non-zero -// OBSOLETE (TRUE), don't output any text. (Actually, as implemented, if NOPRINT -// OBSOLETE is 0, abort() is called.) */ -// OBSOLETE -// OBSOLETE static int -// OBSOLETE mem (unsigned long memaddr, unsigned long word1, unsigned long word2, -// OBSOLETE int noprint) -// OBSOLETE { -// OBSOLETE int i, j; -// OBSOLETE int len; -// OBSOLETE int mode; -// OBSOLETE int offset; -// OBSOLETE const char *reg1, *reg2, *reg3; -// OBSOLETE -// OBSOLETE /* This lookup table is too sparse to make it worth typing in, but not -// OBSOLETE * so large as to make a sparse array necessary. We allocate the -// OBSOLETE * table at runtime, initialize all entries to empty, and copy the -// OBSOLETE * real ones in from an initialization table. -// OBSOLETE * -// OBSOLETE * NOTE: In this table, the meaning of 'numops' is: -// OBSOLETE * 1: single operand -// OBSOLETE * 2: 2 operands, load instruction -// OBSOLETE * -2: 2 operands, store instruction -// OBSOLETE */ -// OBSOLETE static struct tabent *mem_tab = NULL; -// OBSOLETE /* Opcodes of 0x8X, 9X, aX, bX, and cX must be in the table. */ -// OBSOLETE #define MEM_MIN 0x80 -// OBSOLETE #define MEM_MAX 0xcf -// OBSOLETE #define MEM_SIZ ((MEM_MAX-MEM_MIN+1) * sizeof(struct tabent)) -// OBSOLETE -// OBSOLETE static struct -// OBSOLETE { -// OBSOLETE int opcode; -// OBSOLETE char *name; -// OBSOLETE char numops; -// OBSOLETE } -// OBSOLETE mem_init[] = -// OBSOLETE { -// OBSOLETE 0x80, "ldob", 2, -// OBSOLETE 0x82, "stob", -2, -// OBSOLETE 0x84, "bx", 1, -// OBSOLETE 0x85, "balx", 2, -// OBSOLETE 0x86, "callx", 1, -// OBSOLETE 0x88, "ldos", 2, -// OBSOLETE 0x8a, "stos", -2, -// OBSOLETE 0x8c, "lda", 2, -// OBSOLETE 0x90, "ld", 2, -// OBSOLETE 0x92, "st", -2, -// OBSOLETE 0x98, "ldl", 2, -// OBSOLETE 0x9a, "stl", -2, -// OBSOLETE 0xa0, "ldt", 2, -// OBSOLETE 0xa2, "stt", -2, -// OBSOLETE 0xb0, "ldq", 2, -// OBSOLETE 0xb2, "stq", -2, -// OBSOLETE 0xc0, "ldib", 2, -// OBSOLETE 0xc2, "stib", -2, -// OBSOLETE 0xc8, "ldis", 2, -// OBSOLETE 0xca, "stis", -2, -// OBSOLETE 0, NULL, 0 -// OBSOLETE }; -// OBSOLETE -// OBSOLETE if (mem_tab == NULL) -// OBSOLETE { -// OBSOLETE mem_tab = (struct tabent *) xmalloc (MEM_SIZ); -// OBSOLETE memset (mem_tab, '\0', MEM_SIZ); -// OBSOLETE for (i = 0; mem_init[i].opcode != 0; i++) -// OBSOLETE { -// OBSOLETE j = mem_init[i].opcode - MEM_MIN; -// OBSOLETE mem_tab[j].name = mem_init[i].name; -// OBSOLETE mem_tab[j].numops = mem_init[i].numops; -// OBSOLETE } -// OBSOLETE } -// OBSOLETE -// OBSOLETE i = ((word1 >> 24) & 0xff) - MEM_MIN; -// OBSOLETE mode = (word1 >> 10) & 0xf; -// OBSOLETE -// OBSOLETE if ((mem_tab[i].name != NULL) /* Valid instruction */ -// OBSOLETE && ((mode == 5) || (mode >= 12))) -// OBSOLETE { /* With 32-bit displacement */ -// OBSOLETE len = 8; -// OBSOLETE } -// OBSOLETE else -// OBSOLETE { -// OBSOLETE len = 4; -// OBSOLETE } -// OBSOLETE -// OBSOLETE if (noprint) -// OBSOLETE { -// OBSOLETE return len; -// OBSOLETE } -// OBSOLETE internal_error (__FILE__, __LINE__, "failed internal consistency check"); -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* Read the i960 instruction at 'memaddr' and return the address of -// OBSOLETE the next instruction after that, or 0 if 'memaddr' is not the -// OBSOLETE address of a valid instruction. The first word of the instruction -// OBSOLETE is stored at 'pword1', and the second word, if any, is stored at -// OBSOLETE 'pword2'. */ -// OBSOLETE -// OBSOLETE static CORE_ADDR -// OBSOLETE next_insn (CORE_ADDR memaddr, unsigned int *pword1, unsigned int *pword2) -// OBSOLETE { -// OBSOLETE int len; -// OBSOLETE char buf[8]; -// OBSOLETE -// OBSOLETE /* Read the two (potential) words of the instruction at once, -// OBSOLETE to eliminate the overhead of two calls to read_memory (). -// OBSOLETE FIXME: Loses if the first one is readable but the second is not -// OBSOLETE (e.g. last word of the segment). */ -// OBSOLETE -// OBSOLETE read_memory (memaddr, buf, 8); -// OBSOLETE *pword1 = extract_unsigned_integer (buf, 4); -// OBSOLETE *pword2 = extract_unsigned_integer (buf + 4, 4); -// OBSOLETE -// OBSOLETE /* Divide instruction set into classes based on high 4 bits of opcode */ -// OBSOLETE -// OBSOLETE switch ((*pword1 >> 28) & 0xf) -// OBSOLETE { -// OBSOLETE case 0x0: -// OBSOLETE case 0x1: /* ctrl */ -// OBSOLETE -// OBSOLETE case 0x2: -// OBSOLETE case 0x3: /* cobr */ -// OBSOLETE -// OBSOLETE case 0x5: -// OBSOLETE case 0x6: -// OBSOLETE case 0x7: /* reg */ -// OBSOLETE len = 4; -// OBSOLETE break; -// OBSOLETE -// OBSOLETE case 0x8: -// OBSOLETE case 0x9: -// OBSOLETE case 0xa: -// OBSOLETE case 0xb: -// OBSOLETE case 0xc: -// OBSOLETE len = mem (memaddr, *pword1, *pword2, 1); -// OBSOLETE break; -// OBSOLETE -// OBSOLETE default: /* invalid instruction */ -// OBSOLETE len = 0; -// OBSOLETE break; -// OBSOLETE } -// OBSOLETE -// OBSOLETE if (len) -// OBSOLETE return memaddr + len; -// OBSOLETE else -// OBSOLETE return 0; -// OBSOLETE } -// OBSOLETE -// OBSOLETE /* 'start_frame' is a variable in the MON960 runtime startup routine -// OBSOLETE that contains the frame pointer of the 'start' routine (the routine -// OBSOLETE that calls 'main'). By reading its contents out of remote memory, -// OBSOLETE we can tell where the frame chain ends: backtraces should halt before -// OBSOLETE they display this frame. */ -// OBSOLETE -// OBSOLETE int -// OBSOLETE mon960_frame_chain_valid (CORE_ADDR chain, struct frame_info *curframe) -// OBSOLETE { -// OBSOLETE struct symbol *sym; -// OBSOLETE struct minimal_symbol *msymbol; -// OBSOLETE -// OBSOLETE /* crtmon960.o is an assembler module that is assumed to be linked -// OBSOLETE * first in an i80960 executable. It contains the true entry point; -// OBSOLETE * it performs startup up initialization and then calls 'main'. -// OBSOLETE * -// OBSOLETE * 'sf' is the name of a variable in crtmon960.o that is set -// OBSOLETE * during startup to the address of the first frame. -// OBSOLETE * -// OBSOLETE * 'a' is the address of that variable in 80960 memory. -// OBSOLETE */ -// OBSOLETE static char sf[] = "start_frame"; -// OBSOLETE CORE_ADDR a; -// OBSOLETE -// OBSOLETE -// OBSOLETE chain &= ~0x3f; /* Zero low 6 bits because previous frame pointers -// OBSOLETE contain return status info in them. */ -// OBSOLETE if (chain == 0) -// OBSOLETE { -// OBSOLETE return 0; -// OBSOLETE } -// OBSOLETE -// OBSOLETE sym = lookup_symbol (sf, 0, VAR_NAMESPACE, (int *) NULL, -// OBSOLETE (struct symtab **) NULL); -// OBSOLETE if (sym != 0) -// OBSOLETE { -// OBSOLETE a = SYMBOL_VALUE (sym); -// OBSOLETE } -// OBSOLETE else -// OBSOLETE { -// OBSOLETE msymbol = lookup_minimal_symbol (sf, NULL, NULL); -// OBSOLETE if (msymbol == NULL) -// OBSOLETE return 0; -// OBSOLETE a = SYMBOL_VALUE_ADDRESS (msymbol); -// OBSOLETE } -// OBSOLETE -// OBSOLETE return (chain != read_memory_integer (a, 4)); -// OBSOLETE } -// OBSOLETE -// OBSOLETE -// OBSOLETE void -// OBSOLETE _initialize_i960_tdep (void) -// OBSOLETE { -// OBSOLETE check_host (); -// OBSOLETE -// OBSOLETE tm_print_insn = print_insn_i960; -// OBSOLETE } -- cgit v1.1