* config/i386/nm-i386bsd.h (FLOAT_INFO): Remove redundant #undef.
* i386b-nat.c [FLOAT_INFO]: Remove dead code.
This commit is contained in:
Mark Kettenis
parent
c2848c82ce
commit
222db64cbf
3 changed files with 3 additions and 168 deletions
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@ -1,5 +1,8 @@
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2002-08-18 Mark Kettenis <kettenis@gnu.org>
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* config/i386/nm-i386bsd.h (FLOAT_INFO): Remove redundant #undef.
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* i386b-nat.c [FLOAT_INFO]: Remove dead code.
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* i386-tdep.c (i386_do_pop_frame, i386_store_return_value): Call
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write_register_gen instead of write_register_bytes.
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@ -28,8 +28,6 @@
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#include <machine/vmparam.h>
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#define KERNEL_U_ADDR USRSTACK
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#undef FLOAT_INFO /* No float info yet */
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#define REGISTER_U_ADDR(addr, blockend, regno) \
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(addr) = i386_register_u_addr ((blockend),(regno));
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166
gdb/i386b-nat.c
166
gdb/i386b-nat.c
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@ -123,169 +123,3 @@ i386_register_u_addr (int blockend, int regnum)
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}
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#endif /* !FETCH_INFERIOR_REGISTERS */
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#ifdef FLOAT_INFO
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#include "expression.h"
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#include "language.h" /* for local_hex_string */
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#include "floatformat.h"
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#include <sys/param.h>
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#include <sys/dir.h>
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#include <signal.h>
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#include <a.out.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <sys/uio.h>
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#define curpcb Xcurpcb /* XXX avoid leaking declaration from pcb.h */
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#include <sys/user.h>
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#undef curpcb
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#include <sys/file.h>
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#include "gdb_stat.h"
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#include <sys/ptrace.h>
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extern void print_387_control_word (); /* i387-tdep.h */
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extern void print_387_status_word ();
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#define fpstate save87
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#define U_FPSTATE(u) u.u_pcb.pcb_savefpu
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struct env387
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{
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unsigned short control;
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unsigned short r0;
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unsigned short status;
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unsigned short r1;
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unsigned short tag;
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unsigned short r2;
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unsigned long eip;
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unsigned short code_seg;
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unsigned short opcode;
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unsigned long operand;
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unsigned short operand_seg;
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unsigned short r3;
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unsigned char regs[8][10];
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};
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static void
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print_387_status (unsigned short status, struct env387 *ep)
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{
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int i;
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int bothstatus;
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int top;
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int fpreg;
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bothstatus = ((status != 0) && (ep->status != 0));
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if (status != 0)
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{
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if (bothstatus)
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printf_unfiltered ("u: ");
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print_387_status_word ((unsigned int) status);
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}
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if (ep->status != 0)
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{
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if (bothstatus)
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printf_unfiltered ("e: ");
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print_387_status_word ((unsigned int) ep->status);
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}
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print_387_control_word ((unsigned int) ep->control);
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printf_unfiltered ("last exception: ");
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printf_unfiltered ("opcode %s; ", local_hex_string (ep->opcode));
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printf_unfiltered ("pc %s:", local_hex_string (ep->code_seg));
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printf_unfiltered ("%s; ", local_hex_string (ep->eip));
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printf_unfiltered ("operand %s", local_hex_string (ep->operand_seg));
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printf_unfiltered (":%s\n", local_hex_string (ep->operand));
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top = (ep->status >> 11) & 7;
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printf_unfiltered ("regno tag msb lsb value\n");
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for (fpreg = 7; fpreg >= 0; fpreg--)
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{
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double val;
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printf_unfiltered ("%s %d: ", fpreg == top ? "=>" : " ", fpreg);
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switch ((ep->tag >> (fpreg * 2)) & 3)
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{
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case 0:
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printf_unfiltered ("valid ");
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break;
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case 1:
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printf_unfiltered ("zero ");
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break;
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case 2:
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printf_unfiltered ("trap ");
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break;
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case 3:
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printf_unfiltered ("empty ");
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break;
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}
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for (i = 9; i >= 0; i--)
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printf_unfiltered ("%02x", ep->regs[fpreg][i]);
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floatformat_to_double (&floatformat_i387_ext, (char *) ep->regs[fpreg],
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&val);
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printf_unfiltered (" %g\n", val);
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}
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}
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i386_float_info (void)
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{
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struct user u; /* just for address computations */
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int i;
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/* fpstate defined in <sys/user.h> */
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struct fpstate *fpstatep;
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char buf[sizeof (struct fpstate) + 2 * sizeof (int)];
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unsigned int uaddr;
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char fpvalid;
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unsigned int rounded_addr;
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unsigned int rounded_size;
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/*extern int corechan; */
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int skip;
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uaddr = (char *) &U_FPSTATE (u) - (char *) &u;
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if (! ptid_equal (inferior_ptid, null_ptid))
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{
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int *ip;
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rounded_addr = uaddr & -sizeof (int);
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rounded_size = (((uaddr + sizeof (struct fpstate)) - uaddr) +
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sizeof (int) - 1) / sizeof (int);
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skip = uaddr - rounded_addr;
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ip = (int *) buf;
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for (i = 0; i < rounded_size; i++)
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{
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*ip++ = ptrace (PT_READ_U, PIDGET (inferior_ptid),
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(caddr_t) rounded_addr, 0);
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rounded_addr += sizeof (int);
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}
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}
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else
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{
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printf ("float info: can't do a core file (yet)\n");
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return;
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#if 0
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if (lseek (corechan, uaddr, 0) < 0)
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perror_with_name ("seek on core file");
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if (myread (corechan, buf, sizeof (struct fpstate)) < 0)
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perror_with_name ("read from core file");
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skip = 0;
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#endif
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}
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print_387_status (0, (struct env387 *) buf);
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}
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int
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kernel_u_size (void)
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{
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return (sizeof (struct user));
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}
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#endif
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