/* Functions specific to running gdb native on an ns32k running NetBSD
- Copyright 1989, 1992, 1993, 1994, 1996 Free Software Foundation, Inc.
+ Copyright 1989, 1992, 1993, 1994, 1996, 1998, 1999, 2000, 2001
+ Free Software Foundation, Inc.
-This file is part of GDB.
+ This file is part of GDB.
-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.
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include <sys/types.h>
#include <sys/ptrace.h>
#include "inferior.h"
#include "target.h"
#include "gdbcore.h"
+#include "regcache.h"
#define RF(dst, src) \
- memcpy(®isters[REGISTER_BYTE(dst)], &src, sizeof(src))
+ memcpy(&deprecated_registers[REGISTER_BYTE(dst)], &src, sizeof(src))
#define RS(src, dst) \
- memcpy(&dst, ®isters[REGISTER_BYTE(src)], sizeof(dst))
+ memcpy(&dst, &deprecated_registers[REGISTER_BYTE(src)], sizeof(dst))
void
-fetch_inferior_registers (regno)
- int regno;
+fetch_inferior_registers (int regno)
{
struct reg inferior_registers;
struct fpreg inferior_fpregisters;
- ptrace (PT_GETREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_registers, 0);
- ptrace (PT_GETFPREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_fpregisters, 0);
-
- RF(R0_REGNUM + 0, inferior_registers.r_r0);
- RF(R0_REGNUM + 1, inferior_registers.r_r1);
- RF(R0_REGNUM + 2, inferior_registers.r_r2);
- RF(R0_REGNUM + 3, inferior_registers.r_r3);
- RF(R0_REGNUM + 4, inferior_registers.r_r4);
- RF(R0_REGNUM + 5, inferior_registers.r_r5);
- RF(R0_REGNUM + 6, inferior_registers.r_r6);
- RF(R0_REGNUM + 7, inferior_registers.r_r7);
-
- RF(SP_REGNUM , inferior_registers.r_sp);
- RF(FP_REGNUM , inferior_registers.r_fp);
- RF(PC_REGNUM , inferior_registers.r_pc);
- RF(PS_REGNUM , inferior_registers.r_psr);
-
- RF(FPS_REGNUM , inferior_fpregisters.r_fsr);
- RF(FP0_REGNUM +0, inferior_fpregisters.r_freg[0]);
- RF(FP0_REGNUM +2, inferior_fpregisters.r_freg[2]);
- RF(FP0_REGNUM +4, inferior_fpregisters.r_freg[4]);
- RF(FP0_REGNUM +6, inferior_fpregisters.r_freg[6]);
- RF(LP0_REGNUM + 1, inferior_fpregisters.r_freg[1]);
- RF(LP0_REGNUM + 3, inferior_fpregisters.r_freg[3]);
- RF(LP0_REGNUM + 5, inferior_fpregisters.r_freg[5]);
- RF(LP0_REGNUM + 7, inferior_fpregisters.r_freg[7]);
- registers_fetched ();
+ ptrace (PT_GETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_registers, 0);
+ ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_fpregisters, 0);
+
+ RF (R0_REGNUM + 0, inferior_registers.r_r0);
+ RF (R0_REGNUM + 1, inferior_registers.r_r1);
+ RF (R0_REGNUM + 2, inferior_registers.r_r2);
+ RF (R0_REGNUM + 3, inferior_registers.r_r3);
+ RF (R0_REGNUM + 4, inferior_registers.r_r4);
+ RF (R0_REGNUM + 5, inferior_registers.r_r5);
+ RF (R0_REGNUM + 6, inferior_registers.r_r6);
+ RF (R0_REGNUM + 7, inferior_registers.r_r7);
+
+ RF (SP_REGNUM, inferior_registers.r_sp);
+ RF (DEPRECATED_FP_REGNUM, inferior_registers.r_fp);
+ RF (PC_REGNUM, inferior_registers.r_pc);
+ RF (PS_REGNUM, inferior_registers.r_psr);
+
+ RF (FPS_REGNUM, inferior_fpregisters.r_fsr);
+ RF (FP0_REGNUM + 0, inferior_fpregisters.r_freg[0]);
+ RF (FP0_REGNUM + 2, inferior_fpregisters.r_freg[2]);
+ RF (FP0_REGNUM + 4, inferior_fpregisters.r_freg[4]);
+ RF (FP0_REGNUM + 6, inferior_fpregisters.r_freg[6]);
+ RF (LP0_REGNUM + 1, inferior_fpregisters.r_freg[1]);
+ RF (LP0_REGNUM + 3, inferior_fpregisters.r_freg[3]);
+ RF (LP0_REGNUM + 5, inferior_fpregisters.r_freg[5]);
+ RF (LP0_REGNUM + 7, inferior_fpregisters.r_freg[7]);
+ deprecated_registers_fetched ();
}
void
-store_inferior_registers (regno)
- int regno;
+store_inferior_registers (int regno)
{
struct reg inferior_registers;
struct fpreg inferior_fpregisters;
- RS(R0_REGNUM + 0, inferior_registers.r_r0);
- RS(R0_REGNUM + 1, inferior_registers.r_r1);
- RS(R0_REGNUM + 2, inferior_registers.r_r2);
- RS(R0_REGNUM + 3, inferior_registers.r_r3);
- RS(R0_REGNUM + 4, inferior_registers.r_r4);
- RS(R0_REGNUM + 5, inferior_registers.r_r5);
- RS(R0_REGNUM + 6, inferior_registers.r_r6);
- RS(R0_REGNUM + 7, inferior_registers.r_r7);
-
- RS(SP_REGNUM , inferior_registers.r_sp);
- RS(FP_REGNUM , inferior_registers.r_fp);
- RS(PC_REGNUM , inferior_registers.r_pc);
- RS(PS_REGNUM , inferior_registers.r_psr);
-
- RS(FPS_REGNUM , inferior_fpregisters.r_fsr);
- RS(FP0_REGNUM +0, inferior_fpregisters.r_freg[0]);
- RS(FP0_REGNUM +2, inferior_fpregisters.r_freg[2]);
- RS(FP0_REGNUM +4, inferior_fpregisters.r_freg[4]);
- RS(FP0_REGNUM +6, inferior_fpregisters.r_freg[6]);
- RS(LP0_REGNUM + 1, inferior_fpregisters.r_freg[1]);
- RS(LP0_REGNUM + 3, inferior_fpregisters.r_freg[3]);
- RS(LP0_REGNUM + 5, inferior_fpregisters.r_freg[5]);
- RS(LP0_REGNUM + 7, inferior_fpregisters.r_freg[7]);
-
- ptrace (PT_SETREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_registers, 0);
- ptrace (PT_SETFPREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_fpregisters, 0);
+ RS (R0_REGNUM + 0, inferior_registers.r_r0);
+ RS (R0_REGNUM + 1, inferior_registers.r_r1);
+ RS (R0_REGNUM + 2, inferior_registers.r_r2);
+ RS (R0_REGNUM + 3, inferior_registers.r_r3);
+ RS (R0_REGNUM + 4, inferior_registers.r_r4);
+ RS (R0_REGNUM + 5, inferior_registers.r_r5);
+ RS (R0_REGNUM + 6, inferior_registers.r_r6);
+ RS (R0_REGNUM + 7, inferior_registers.r_r7);
+
+ RS (SP_REGNUM, inferior_registers.r_sp);
+ RS (DEPRECATED_FP_REGNUM, inferior_registers.r_fp);
+ RS (PC_REGNUM, inferior_registers.r_pc);
+ RS (PS_REGNUM, inferior_registers.r_psr);
+
+ RS (FPS_REGNUM, inferior_fpregisters.r_fsr);
+ RS (FP0_REGNUM + 0, inferior_fpregisters.r_freg[0]);
+ RS (FP0_REGNUM + 2, inferior_fpregisters.r_freg[2]);
+ RS (FP0_REGNUM + 4, inferior_fpregisters.r_freg[4]);
+ RS (FP0_REGNUM + 6, inferior_fpregisters.r_freg[6]);
+ RS (LP0_REGNUM + 1, inferior_fpregisters.r_freg[1]);
+ RS (LP0_REGNUM + 3, inferior_fpregisters.r_freg[3]);
+ RS (LP0_REGNUM + 5, inferior_fpregisters.r_freg[5]);
+ RS (LP0_REGNUM + 7, inferior_fpregisters.r_freg[7]);
+
+ ptrace (PT_SETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_registers, 0);
+ ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_fpregisters, 0);
}
\f
/* XXX - Add this to machine/regs.h instead? */
-struct coreregs {
+struct coreregs
+{
struct reg intreg;
struct fpreg freg;
};
-/* Get registers from a core file. */
+/* Get registers from a core file. REG_ADDR is unused. */
static void
-fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
- char *core_reg_sect;
- unsigned core_reg_size;
- int which;
- unsigned int reg_addr; /* Unused in this version */
+fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
+ unsigned int reg_addr)
{
struct coreregs *core_reg;
- core_reg = (struct coreregs *)core_reg_sect;
+ core_reg = (struct coreregs *) core_reg_sect;
/*
* We have *all* registers
* Ignore which.
*/
- if (core_reg_size < sizeof(*core_reg)) {
- fprintf_unfiltered (gdb_stderr, "Couldn't read regs from core file\n");
- return;
- }
+ if (core_reg_size < sizeof (*core_reg))
+ {
+ fprintf_unfiltered (gdb_stderr, "Couldn't read regs from core file\n");
+ return;
+ }
/* Integer registers */
- RF(R0_REGNUM + 0, core_reg->intreg.r_r0);
- RF(R0_REGNUM + 1, core_reg->intreg.r_r1);
- RF(R0_REGNUM + 2, core_reg->intreg.r_r2);
- RF(R0_REGNUM + 3, core_reg->intreg.r_r3);
- RF(R0_REGNUM + 4, core_reg->intreg.r_r4);
- RF(R0_REGNUM + 5, core_reg->intreg.r_r5);
- RF(R0_REGNUM + 6, core_reg->intreg.r_r6);
- RF(R0_REGNUM + 7, core_reg->intreg.r_r7);
-
- RF(SP_REGNUM , core_reg->intreg.r_sp);
- RF(FP_REGNUM , core_reg->intreg.r_fp);
- RF(PC_REGNUM , core_reg->intreg.r_pc);
- RF(PS_REGNUM , core_reg->intreg.r_psr);
+ RF (R0_REGNUM + 0, core_reg->intreg.r_r0);
+ RF (R0_REGNUM + 1, core_reg->intreg.r_r1);
+ RF (R0_REGNUM + 2, core_reg->intreg.r_r2);
+ RF (R0_REGNUM + 3, core_reg->intreg.r_r3);
+ RF (R0_REGNUM + 4, core_reg->intreg.r_r4);
+ RF (R0_REGNUM + 5, core_reg->intreg.r_r5);
+ RF (R0_REGNUM + 6, core_reg->intreg.r_r6);
+ RF (R0_REGNUM + 7, core_reg->intreg.r_r7);
+
+ RF (SP_REGNUM, core_reg->intreg.r_sp);
+ RF (DEPRECATED_FP_REGNUM, core_reg->intreg.r_fp);
+ RF (PC_REGNUM, core_reg->intreg.r_pc);
+ RF (PS_REGNUM, core_reg->intreg.r_psr);
/* Floating point registers */
- RF(FPS_REGNUM , core_reg->freg.r_fsr);
- RF(FP0_REGNUM +0, core_reg->freg.r_freg[0]);
- RF(FP0_REGNUM +2, core_reg->freg.r_freg[2]);
- RF(FP0_REGNUM +4, core_reg->freg.r_freg[4]);
- RF(FP0_REGNUM +6, core_reg->freg.r_freg[6]);
- RF(LP0_REGNUM + 1, core_reg->freg.r_freg[1]);
- RF(LP0_REGNUM + 3, core_reg->freg.r_freg[3]);
- RF(LP0_REGNUM + 5, core_reg->freg.r_freg[5]);
- RF(LP0_REGNUM + 7, core_reg->freg.r_freg[7]);
- registers_fetched ();
+ RF (FPS_REGNUM, core_reg->freg.r_fsr);
+ RF (FP0_REGNUM + 0, core_reg->freg.r_freg[0]);
+ RF (FP0_REGNUM + 2, core_reg->freg.r_freg[2]);
+ RF (FP0_REGNUM + 4, core_reg->freg.r_freg[4]);
+ RF (FP0_REGNUM + 6, core_reg->freg.r_freg[6]);
+ RF (LP0_REGNUM + 1, core_reg->freg.r_freg[1]);
+ RF (LP0_REGNUM + 3, core_reg->freg.r_freg[3]);
+ RF (LP0_REGNUM + 5, core_reg->freg.r_freg[5]);
+ RF (LP0_REGNUM + 7, core_reg->freg.r_freg[7]);
+ deprecated_registers_fetched ();
}
/* Register that we are able to handle ns32knbsd core file formats.
static struct core_fns nat_core_fns =
{
- bfd_target_unknown_flavour,
- fetch_core_registers,
- NULL
+ bfd_target_unknown_flavour, /* core_flavour */
+ default_check_format, /* check_format */
+ default_core_sniffer, /* core_sniffer */
+ fetch_core_registers, /* core_read_registers */
+ NULL /* next */
};
void
-_initialize_ns32knbsd_nat ()
+_initialize_ns32knbsd_nat (void)
{
add_core_fns (&nat_core_fns);
}
* Called by kcore-nbsd.c:get_kcore_registers().
*/
void
-fetch_kcore_registers (pcb)
- struct pcb *pcb;
+fetch_kcore_registers (struct pcb *pcb)
{
struct switchframe sf;
struct reg intreg;
int dummy;
/* Integer registers */
- if (target_read_memory((CORE_ADDR)pcb->pcb_ksp, (char *)&sf, sizeof sf))
- error("Cannot read integer registers.");
+ if (target_read_memory ((CORE_ADDR) pcb->pcb_ksp, (char *) &sf, sizeof sf))
+ error ("Cannot read integer registers.");
/* We use the psr at kernel entry */
- if (target_read_memory((CORE_ADDR)pcb->pcb_onstack, (char *)&intreg, sizeof intreg))
- error("Cannot read processor status register.");
+ if (target_read_memory ((CORE_ADDR) pcb->pcb_onstack, (char *) &intreg, sizeof intreg))
+ error ("Cannot read processor status register.");
dummy = 0;
- RF(R0_REGNUM + 0, dummy);
- RF(R0_REGNUM + 1, dummy);
- RF(R0_REGNUM + 2, dummy);
- RF(R0_REGNUM + 3, sf.sf_r3);
- RF(R0_REGNUM + 4, sf.sf_r4);
- RF(R0_REGNUM + 5, sf.sf_r5);
- RF(R0_REGNUM + 6, sf.sf_r6);
- RF(R0_REGNUM + 7, sf.sf_r7);
+ RF (R0_REGNUM + 0, dummy);
+ RF (R0_REGNUM + 1, dummy);
+ RF (R0_REGNUM + 2, dummy);
+ RF (R0_REGNUM + 3, sf.sf_r3);
+ RF (R0_REGNUM + 4, sf.sf_r4);
+ RF (R0_REGNUM + 5, sf.sf_r5);
+ RF (R0_REGNUM + 6, sf.sf_r6);
+ RF (R0_REGNUM + 7, sf.sf_r7);
dummy = pcb->pcb_kfp + 8;
- RF(SP_REGNUM , dummy);
- RF(FP_REGNUM , sf.sf_fp);
- RF(PC_REGNUM , sf.sf_pc);
- RF(PS_REGNUM , intreg.r_psr);
+ RF (SP_REGNUM, dummy);
+ RF (DEPRECATED_FP_REGNUM, sf.sf_fp);
+ RF (PC_REGNUM, sf.sf_pc);
+ RF (PS_REGNUM, intreg.r_psr);
/* Floating point registers */
- RF(FPS_REGNUM , pcb->pcb_fsr);
- RF(FP0_REGNUM +0, pcb->pcb_freg[0]);
- RF(FP0_REGNUM +2, pcb->pcb_freg[2]);
- RF(FP0_REGNUM +4, pcb->pcb_freg[4]);
- RF(FP0_REGNUM +6, pcb->pcb_freg[6]);
- RF(LP0_REGNUM + 1, pcb->pcb_freg[1]);
- RF(LP0_REGNUM + 3, pcb->pcb_freg[3]);
- RF(LP0_REGNUM + 5, pcb->pcb_freg[5]);
- RF(LP0_REGNUM + 7, pcb->pcb_freg[7]);
- registers_fetched ();
+ RF (FPS_REGNUM, pcb->pcb_fsr);
+ RF (FP0_REGNUM + 0, pcb->pcb_freg[0]);
+ RF (FP0_REGNUM + 2, pcb->pcb_freg[2]);
+ RF (FP0_REGNUM + 4, pcb->pcb_freg[4]);
+ RF (FP0_REGNUM + 6, pcb->pcb_freg[6]);
+ RF (LP0_REGNUM + 1, pcb->pcb_freg[1]);
+ RF (LP0_REGNUM + 3, pcb->pcb_freg[3]);
+ RF (LP0_REGNUM + 5, pcb->pcb_freg[5]);
+ RF (LP0_REGNUM + 7, pcb->pcb_freg[7]);
+ deprecated_registers_fetched ();
}
-#endif /* FETCH_KCORE_REGISTERS */
+#endif /* FETCH_KCORE_REGISTERS */
void
-clear_regs()
+clear_regs (void)
{
double zero = 0.0;
int null = 0;
-
+
/* Integer registers */
- RF(R0_REGNUM + 0, null);
- RF(R0_REGNUM + 1, null);
- RF(R0_REGNUM + 2, null);
- RF(R0_REGNUM + 3, null);
- RF(R0_REGNUM + 4, null);
- RF(R0_REGNUM + 5, null);
- RF(R0_REGNUM + 6, null);
- RF(R0_REGNUM + 7, null);
-
- RF(SP_REGNUM , null);
- RF(FP_REGNUM , null);
- RF(PC_REGNUM , null);
- RF(PS_REGNUM , null);
+ RF (R0_REGNUM + 0, null);
+ RF (R0_REGNUM + 1, null);
+ RF (R0_REGNUM + 2, null);
+ RF (R0_REGNUM + 3, null);
+ RF (R0_REGNUM + 4, null);
+ RF (R0_REGNUM + 5, null);
+ RF (R0_REGNUM + 6, null);
+ RF (R0_REGNUM + 7, null);
+
+ RF (SP_REGNUM, null);
+ RF (DEPRECATED_FP_REGNUM, null);
+ RF (PC_REGNUM, null);
+ RF (PS_REGNUM, null);
/* Floating point registers */
- RF(FPS_REGNUM , zero);
- RF(FP0_REGNUM +0, zero);
- RF(FP0_REGNUM +2, zero);
- RF(FP0_REGNUM +4, zero);
- RF(FP0_REGNUM +6, zero);
- RF(LP0_REGNUM + 0, zero);
- RF(LP0_REGNUM + 1, zero);
- RF(LP0_REGNUM + 2, zero);
- RF(LP0_REGNUM + 3, zero);
+ RF (FPS_REGNUM, zero);
+ RF (FP0_REGNUM + 0, zero);
+ RF (FP0_REGNUM + 2, zero);
+ RF (FP0_REGNUM + 4, zero);
+ RF (FP0_REGNUM + 6, zero);
+ RF (LP0_REGNUM + 0, zero);
+ RF (LP0_REGNUM + 1, zero);
+ RF (LP0_REGNUM + 2, zero);
+ RF (LP0_REGNUM + 3, zero);
return;
}
Can return -1, meaning no way to tell. */
int
-frame_num_args(fi)
-struct frame_info *fi;
+frame_num_args (struct frame_info *fi)
{
- CORE_ADDR enter_addr;
- CORE_ADDR argp;
- int inst;
- int args;
- int i;
-
- if (read_memory_integer (fi->frame, 4) == 0 && fi->pc < 0x10000) {
- /* main is always called with three args */
- return(3);
- }
- enter_addr = ns32k_get_enter_addr(fi->pc);
- if (enter_addr = 0)
- return(-1);
- argp = enter_addr == 1 ? SAVED_PC_AFTER_CALL(fi) : FRAME_SAVED_PC(fi);
- for (i = 0; i < 16; i++) {
- /*
- * After a bsr gcc may emit the following instructions
- * to remove the arguments from the stack:
- * cmpqd 0,tos - to remove 4 bytes from the stack
- * cmpd tos,tos - to remove 8 bytes from the stack
- * adjsp[bwd] -n - to remove n bytes from the stack
- * Gcc sometimes delays emitting these instructions and
- * may even throw a branch between our feet.
- */
- inst = read_memory_integer(argp , 4);
- args = read_memory_integer(argp + 2, 4);
- if ((inst & 0xff) == 0xea) { /* br */
- args = ((inst >> 8) & 0xffffff) | (args << 24);
- if (args & 0x80) {
- if (args & 0x40) {
- args = ntohl(args);
- } else {
- args = ntohs(args & 0xffff);
- if (args & 0x2000)
- args |= 0xc000;
- }
- } else {
- args = args & 0xff;
- if (args & 0x40)
- args |= 0x80;
- }
- argp += args;
- continue;
+ CORE_ADDR enter_addr;
+ CORE_ADDR argp;
+ int inst;
+ int args;
+ int i;
+
+ if (read_memory_integer (fi->frame, 4) == 0 && fi->pc < 0x10000)
+ {
+ /* main is always called with three args */
+ return (3);
+ }
+ enter_addr = ns32k_get_enter_addr (fi->pc);
+ if (enter_addr = 0)
+ return (-1);
+ argp = (enter_addr == 1
+ ? DEPRECATED_SAVED_PC_AFTER_CALL (fi)
+ : DEPRECATED_FRAME_SAVED_PC (fi));
+ for (i = 0; i < 16; i++)
+ {
+ /*
+ * After a bsr gcc may emit the following instructions
+ * to remove the arguments from the stack:
+ * cmpqd 0,tos - to remove 4 bytes from the stack
+ * cmpd tos,tos - to remove 8 bytes from the stack
+ * adjsp[bwd] -n - to remove n bytes from the stack
+ * Gcc sometimes delays emitting these instructions and
+ * may even throw a branch between our feet.
+ */
+ inst = read_memory_integer (argp, 4);
+ args = read_memory_integer (argp + 2, 4);
+ if ((inst & 0xff) == 0xea)
+ { /* br */
+ args = ((inst >> 8) & 0xffffff) | (args << 24);
+ if (args & 0x80)
+ {
+ if (args & 0x40)
+ {
+ args = ntohl (args);
}
- if ((inst & 0xffff) == 0xb81f) /* cmpqd 0,tos */
- return(1);
- else if ((inst & 0xffff) == 0xbdc7) /* cmpd tos,tos */
- return(2);
- else if ((inst & 0xfffc) == 0xa57c) { /* adjsp[bwd] */
- switch (inst & 3) {
- case 0:
- args = ((args & 0xff) + 0x80);
- break;
- case 1:
- args = ((ntohs(args) & 0xffff) + 0x8000);
- break;
- case 3:
- args = -ntohl(args);
- break;
- default:
- return(-1);
- }
- if (args / 4 > 10 || (args & 3) != 0)
- continue;
- return(args / 4);
+ else
+ {
+ args = ntohs (args & 0xffff);
+ if (args & 0x2000)
+ args |= 0xc000;
}
- argp += 1;
+ }
+ else
+ {
+ args = args & 0xff;
+ if (args & 0x40)
+ args |= 0x80;
+ }
+ argp += args;
+ continue;
+ }
+ if ((inst & 0xffff) == 0xb81f) /* cmpqd 0,tos */
+ return (1);
+ else if ((inst & 0xffff) == 0xbdc7) /* cmpd tos,tos */
+ return (2);
+ else if ((inst & 0xfffc) == 0xa57c)
+ { /* adjsp[bwd] */
+ switch (inst & 3)
+ {
+ case 0:
+ args = ((args & 0xff) + 0x80);
+ break;
+ case 1:
+ args = ((ntohs (args) & 0xffff) + 0x8000);
+ break;
+ case 3:
+ args = -ntohl (args);
+ break;
+ default:
+ return (-1);
+ }
+ if (args / 4 > 10 || (args & 3) != 0)
+ continue;
+ return (args / 4);
}
- return(-1);
+ argp += 1;
+ }
+ return (-1);
}
projects / deliverable / binutils-gdb.git / blobdiff