mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-11-29 23:10:26 +00:00
56eec3c737
but not the others. * symm-tdep.c: Remove exec_file_command. [_SEQUENT_] (ptx_coff_regno_to_gdb, register_addr): New functions. A few miscellaneous cleanups. * symm-nat.c: Renamed from symm-xdep.c. * All symmetry dependent files: Many changes.
309 lines
8.5 KiB
C
309 lines
8.5 KiB
C
/* Sequent Symmetry host interface, for GDB when running under Unix.
|
||
Copyright 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc.
|
||
|
||
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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||
|
||
/* FIXME, some 387-specific items of use taken from i387-tdep.c -- ought to be
|
||
merged back in. */
|
||
|
||
#include "defs.h"
|
||
#include "frame.h"
|
||
#include "inferior.h"
|
||
#include "symtab.h"
|
||
|
||
#include <signal.h>
|
||
#include <sys/param.h>
|
||
#include <sys/user.h>
|
||
#include <sys/dir.h>
|
||
#include <sys/ioctl.h>
|
||
#include <sys/stat.h>
|
||
#include "gdbcore.h"
|
||
#include <fcntl.h>
|
||
#include <sgtty.h>
|
||
#define TERMINAL struct sgttyb
|
||
|
||
#include "gdbcore.h"
|
||
|
||
void
|
||
store_inferior_registers(regno)
|
||
int regno;
|
||
{
|
||
struct pt_regset regs;
|
||
int reg_tmp, i;
|
||
extern char registers[];
|
||
|
||
regs.pr_eax = *(int *)®isters[REGISTER_BYTE(0)];
|
||
regs.pr_ebx = *(int *)®isters[REGISTER_BYTE(5)];
|
||
regs.pr_ecx = *(int *)®isters[REGISTER_BYTE(2)];
|
||
regs.pr_edx = *(int *)®isters[REGISTER_BYTE(1)];
|
||
regs.pr_esi = *(int *)®isters[REGISTER_BYTE(6)];
|
||
regs.pr_edi = *(int *)®isters[REGISTER_BYTE(7)];
|
||
regs.pr_esp = *(int *)®isters[REGISTER_BYTE(14)];
|
||
regs.pr_ebp = *(int *)®isters[REGISTER_BYTE(15)];
|
||
regs.pr_eip = *(int *)®isters[REGISTER_BYTE(16)];
|
||
regs.pr_flags = *(int *)®isters[REGISTER_BYTE(17)];
|
||
for (i = 0; i < 31; i++)
|
||
{
|
||
regs.pr_fpa.fpa_regs[i] =
|
||
*(int *)®isters[REGISTER_BYTE(FP1_REGNUM+i)];
|
||
}
|
||
PTRACE_WRITE_REGS (inferior_pid, (PTRACE_ARG3_TYPE) ®s);
|
||
}
|
||
|
||
void
|
||
fetch_inferior_registers (regno)
|
||
int regno;
|
||
{
|
||
int i;
|
||
struct pt_regset regs;
|
||
extern char registers[];
|
||
|
||
registers_fetched ();
|
||
|
||
PTRACE_READ_REGS (inferior_pid, (PTRACE_ARG3_TYPE) ®s);
|
||
*(int *)®isters[REGISTER_BYTE(EAX_REGNUM)] = regs.pr_eax;
|
||
*(int *)®isters[REGISTER_BYTE(EBX_REGNUM)] = regs.pr_ebx;
|
||
*(int *)®isters[REGISTER_BYTE(ECX_REGNUM)] = regs.pr_ecx;
|
||
*(int *)®isters[REGISTER_BYTE(EDX_REGNUM)] = regs.pr_edx;
|
||
*(int *)®isters[REGISTER_BYTE(ESI_REGNUM)] = regs.pr_esi;
|
||
*(int *)®isters[REGISTER_BYTE(EDI_REGNUM)] = regs.pr_edi;
|
||
*(int *)®isters[REGISTER_BYTE(EBP_REGNUM)] = regs.pr_ebp;
|
||
*(int *)®isters[REGISTER_BYTE(ESP_REGNUM)] = regs.pr_esp;
|
||
*(int *)®isters[REGISTER_BYTE(EIP_REGNUM)] = regs.pr_eip;
|
||
*(int *)®isters[REGISTER_BYTE(EFLAGS_REGNUM)] = regs.pr_flags;
|
||
for (i = 0; i < FPA_NREGS; i++)
|
||
{
|
||
*(int *)®isters[REGISTER_BYTE(FP1_REGNUM+i)] =
|
||
regs.pr_fpa.fpa_regs[i];
|
||
}
|
||
memcpy (®isters[REGISTER_BYTE(ST0_REGNUM)], regs.pr_fpu.fpu_stack[0], 10);
|
||
memcpy (®isters[REGISTER_BYTE(ST1_REGNUM)], regs.pr_fpu.fpu_stack[1], 10);
|
||
memcpy (®isters[REGISTER_BYTE(ST2_REGNUM)], regs.pr_fpu.fpu_stack[2], 10);
|
||
memcpy (®isters[REGISTER_BYTE(ST3_REGNUM)], regs.pr_fpu.fpu_stack[3], 10);
|
||
memcpy (®isters[REGISTER_BYTE(ST4_REGNUM)], regs.pr_fpu.fpu_stack[4], 10);
|
||
memcpy (®isters[REGISTER_BYTE(ST5_REGNUM)], regs.pr_fpu.fpu_stack[5], 10);
|
||
memcpy (®isters[REGISTER_BYTE(ST6_REGNUM)], regs.pr_fpu.fpu_stack[6], 10);
|
||
memcpy (®isters[REGISTER_BYTE(ST7_REGNUM)], regs.pr_fpu.fpu_stack[7], 10);
|
||
}
|
||
|
||
/* FIXME: This should be merged with i387-tdep.c as well. */
|
||
static
|
||
print_fpu_status(ep)
|
||
struct pt_regset ep;
|
||
{
|
||
int i;
|
||
int bothstatus;
|
||
int top;
|
||
int fpreg;
|
||
unsigned char *p;
|
||
|
||
printf("80387:");
|
||
if (ep.pr_fpu.fpu_ip == 0) {
|
||
printf(" not in use.\n");
|
||
return;
|
||
} else {
|
||
printf("\n");
|
||
}
|
||
if (ep.pr_fpu.fpu_status != 0) {
|
||
print_387_status_word (ep.pr_fpu.fpu_status);
|
||
}
|
||
print_387_control_word (ep.pr_fpu.fpu_control);
|
||
printf ("last exception: ");
|
||
printf ("opcode 0x%x; ", ep.pr_fpu.fpu_rsvd4);
|
||
printf ("pc 0x%x:0x%x; ", ep.pr_fpu.fpu_cs, ep.pr_fpu.fpu_ip);
|
||
printf ("operand 0x%x:0x%x\n", ep.pr_fpu.fpu_data_offset, ep.pr_fpu.fpu_op_sel);
|
||
|
||
top = (ep.pr_fpu.fpu_status >> 11) & 7;
|
||
|
||
printf ("regno tag msb lsb value\n");
|
||
for (fpreg = 7; fpreg >= 0; fpreg--)
|
||
{
|
||
double val;
|
||
|
||
printf ("%s %d: ", fpreg == top ? "=>" : " ", fpreg);
|
||
|
||
switch ((ep.pr_fpu.fpu_tag >> (fpreg * 2)) & 3)
|
||
{
|
||
case 0: printf ("valid "); break;
|
||
case 1: printf ("zero "); break;
|
||
case 2: printf ("trap "); break;
|
||
case 3: printf ("empty "); break;
|
||
}
|
||
for (i = 9; i >= 0; i--)
|
||
printf ("%02x", ep.pr_fpu.fpu_stack[fpreg][i]);
|
||
|
||
i387_to_double (ep.pr_fpu.fpu_stack[fpreg], (char *)&val);
|
||
printf (" %g\n", val);
|
||
}
|
||
if (ep.pr_fpu.fpu_rsvd1)
|
||
warning ("rsvd1 is 0x%x\n", ep.pr_fpu.fpu_rsvd1);
|
||
if (ep.pr_fpu.fpu_rsvd2)
|
||
warning ("rsvd2 is 0x%x\n", ep.pr_fpu.fpu_rsvd2);
|
||
if (ep.pr_fpu.fpu_rsvd3)
|
||
warning ("rsvd3 is 0x%x\n", ep.pr_fpu.fpu_rsvd3);
|
||
if (ep.pr_fpu.fpu_rsvd5)
|
||
warning ("rsvd5 is 0x%x\n", ep.pr_fpu.fpu_rsvd5);
|
||
}
|
||
|
||
|
||
print_1167_control_word(pcr)
|
||
unsigned int pcr;
|
||
|
||
{
|
||
int pcr_tmp;
|
||
|
||
pcr_tmp = pcr & FPA_PCR_MODE;
|
||
printf("\tMODE= %#x; RND= %#x ", pcr_tmp, pcr_tmp & 12);
|
||
switch (pcr_tmp & 12) {
|
||
case 0:
|
||
printf("RN (Nearest Value)");
|
||
break;
|
||
case 1:
|
||
printf("RZ (Zero)");
|
||
break;
|
||
case 2:
|
||
printf("RP (Positive Infinity)");
|
||
break;
|
||
case 3:
|
||
printf("RM (Negative Infinity)");
|
||
break;
|
||
}
|
||
printf("; IRND= %d ", pcr_tmp & 2);
|
||
if (0 == pcr_tmp & 2) {
|
||
printf("(same as RND)\n");
|
||
} else {
|
||
printf("(toward zero)\n");
|
||
}
|
||
pcr_tmp = pcr & FPA_PCR_EM;
|
||
printf("\tEM= %#x", pcr_tmp);
|
||
if (pcr_tmp & FPA_PCR_EM_DM) printf(" DM");
|
||
if (pcr_tmp & FPA_PCR_EM_UOM) printf(" UOM");
|
||
if (pcr_tmp & FPA_PCR_EM_PM) printf(" PM");
|
||
if (pcr_tmp & FPA_PCR_EM_UM) printf(" UM");
|
||
if (pcr_tmp & FPA_PCR_EM_OM) printf(" OM");
|
||
if (pcr_tmp & FPA_PCR_EM_ZM) printf(" ZM");
|
||
if (pcr_tmp & FPA_PCR_EM_IM) printf(" IM");
|
||
printf("\n");
|
||
pcr_tmp = FPA_PCR_CC;
|
||
printf("\tCC= %#x", pcr_tmp);
|
||
if (pcr_tmp & FPA_PCR_20MHZ) printf(" 20MHZ");
|
||
if (pcr_tmp & FPA_PCR_CC_Z) printf(" Z");
|
||
if (pcr_tmp & FPA_PCR_CC_C2) printf(" C2");
|
||
if (pcr_tmp & FPA_PCR_CC_C1) printf(" C1");
|
||
switch (pcr_tmp) {
|
||
case FPA_PCR_CC_Z:
|
||
printf(" (Equal)");
|
||
break;
|
||
case FPA_PCR_CC_C1:
|
||
printf(" (Less than)");
|
||
break;
|
||
case 0:
|
||
printf(" (Greater than)");
|
||
break;
|
||
case FPA_PCR_CC_Z | FPA_PCR_CC_C1 | FPA_PCR_CC_C2:
|
||
printf(" (Unordered)");
|
||
break;
|
||
default:
|
||
printf(" (Undefined)");
|
||
break;
|
||
}
|
||
printf("\n");
|
||
pcr_tmp = pcr & FPA_PCR_AE;
|
||
printf("\tAE= %#x", pcr_tmp);
|
||
if (pcr_tmp & FPA_PCR_AE_DE) printf(" DE");
|
||
if (pcr_tmp & FPA_PCR_AE_UOE) printf(" UOE");
|
||
if (pcr_tmp & FPA_PCR_AE_PE) printf(" PE");
|
||
if (pcr_tmp & FPA_PCR_AE_UE) printf(" UE");
|
||
if (pcr_tmp & FPA_PCR_AE_OE) printf(" OE");
|
||
if (pcr_tmp & FPA_PCR_AE_ZE) printf(" ZE");
|
||
if (pcr_tmp & FPA_PCR_AE_EE) printf(" EE");
|
||
if (pcr_tmp & FPA_PCR_AE_IE) printf(" IE");
|
||
printf("\n");
|
||
}
|
||
|
||
print_1167_regs(regs)
|
||
long regs[FPA_NREGS];
|
||
|
||
{
|
||
int i;
|
||
|
||
union {
|
||
double d;
|
||
long l[2];
|
||
} xd;
|
||
union {
|
||
float f;
|
||
long l;
|
||
} xf;
|
||
|
||
|
||
for (i = 0; i < FPA_NREGS; i++) {
|
||
xf.l = regs[i];
|
||
printf("%%fp%d: raw= %#x, single= %f", i+1, regs[i], xf.f);
|
||
if (!(i & 1)) {
|
||
printf("\n");
|
||
} else {
|
||
xd.l[1] = regs[i];
|
||
xd.l[0] = regs[i+1];
|
||
printf(", double= %f\n", xd.d);
|
||
}
|
||
}
|
||
}
|
||
|
||
print_fpa_status(ep)
|
||
struct pt_regset ep;
|
||
|
||
{
|
||
|
||
printf("WTL 1167:");
|
||
if (ep.pr_fpa.fpa_pcr !=0) {
|
||
printf("\n");
|
||
print_1167_control_word(ep.pr_fpa.fpa_pcr);
|
||
print_1167_regs(ep.pr_fpa.fpa_regs);
|
||
} else {
|
||
printf(" not in use.\n");
|
||
}
|
||
}
|
||
|
||
i386_float_info ()
|
||
{
|
||
char ubuf[UPAGES*NBPG];
|
||
struct pt_regset regset;
|
||
|
||
if (have_inferior_p())
|
||
{
|
||
PTRACE_READ_REGS (inferior_pid, (PTRACE_ARG3_TYPE) ®set);
|
||
}
|
||
else
|
||
{
|
||
int corechan = bfd_cache_lookup (core_bfd);
|
||
if (lseek (corechan, 0, 0) < 0)
|
||
{
|
||
perror ("seek on core file");
|
||
}
|
||
if (myread (corechan, ubuf, UPAGES*NBPG) < 0)
|
||
{
|
||
perror ("read on core file");
|
||
}
|
||
/* only interested in the floating point registers */
|
||
regset.pr_fpu = ((struct user *) ubuf)->u_fpusave;
|
||
regset.pr_fpa = ((struct user *) ubuf)->u_fpasave;
|
||
}
|
||
print_fpu_status(regset);
|
||
print_fpa_status(regset);
|
||
}
|