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authorMark Kettenis <kettenis@gnu.org>2002-08-18 17:28:50 +0000
committerMark Kettenis <kettenis@gnu.org>2002-08-18 17:28:50 +0000
commit222db64cbfdcf7ed26e159994fa1214b128b4875 (patch)
treed4516623072ea0d444487a0633fb4ff75132f59c /gdb
parentc2848c82cee21a0e54656f3e4a1a81285411c9d6 (diff)
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* config/i386/nm-i386bsd.h (FLOAT_INFO): Remove redundant #undef.
* i386b-nat.c [FLOAT_INFO]: Remove dead code.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/ChangeLog3
-rw-r--r--gdb/config/i386/nm-i386bsd.h2
-rw-r--r--gdb/i386b-nat.c166
3 files changed, 3 insertions, 168 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 7cf29c8..7d6f6dc 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,8 @@
2002-08-18 Mark Kettenis <kettenis@gnu.org>
+ * config/i386/nm-i386bsd.h (FLOAT_INFO): Remove redundant #undef.
+ * i386b-nat.c [FLOAT_INFO]: Remove dead code.
+
* i386-tdep.c (i386_do_pop_frame, i386_store_return_value): Call
write_register_gen instead of write_register_bytes.
diff --git a/gdb/config/i386/nm-i386bsd.h b/gdb/config/i386/nm-i386bsd.h
index 0015af2..628c648 100644
--- a/gdb/config/i386/nm-i386bsd.h
+++ b/gdb/config/i386/nm-i386bsd.h
@@ -28,8 +28,6 @@
#include <machine/vmparam.h>
#define KERNEL_U_ADDR USRSTACK
-#undef FLOAT_INFO /* No float info yet */
-
#define REGISTER_U_ADDR(addr, blockend, regno) \
(addr) = i386_register_u_addr ((blockend),(regno));
diff --git a/gdb/i386b-nat.c b/gdb/i386b-nat.c
index be8fd45..921bc41 100644
--- a/gdb/i386b-nat.c
+++ b/gdb/i386b-nat.c
@@ -123,169 +123,3 @@ i386_register_u_addr (int blockend, int regnum)
}
#endif /* !FETCH_INFERIOR_REGISTERS */
-
-#ifdef FLOAT_INFO
-#include "expression.h"
-#include "language.h" /* for local_hex_string */
-#include "floatformat.h"
-
-#include <sys/param.h>
-#include <sys/dir.h>
-#include <signal.h>
-#include <sys/ioctl.h>
-#include <fcntl.h>
-
-#include <a.out.h>
-
-#include <sys/time.h>
-#include <sys/resource.h>
-#include <sys/uio.h>
-#define curpcb Xcurpcb /* XXX avoid leaking declaration from pcb.h */
-#include <sys/user.h>
-#undef curpcb
-#include <sys/file.h>
-#include "gdb_stat.h"
-#include <sys/ptrace.h>
-
-extern void print_387_control_word (); /* i387-tdep.h */
-extern void print_387_status_word ();
-
-#define fpstate save87
-#define U_FPSTATE(u) u.u_pcb.pcb_savefpu
-
-struct env387
- {
- unsigned short control;
- unsigned short r0;
- unsigned short status;
- unsigned short r1;
- unsigned short tag;
- unsigned short r2;
- unsigned long eip;
- unsigned short code_seg;
- unsigned short opcode;
- unsigned long operand;
- unsigned short operand_seg;
- unsigned short r3;
- unsigned char regs[8][10];
- };
-
-static void
-print_387_status (unsigned short status, struct env387 *ep)
-{
- int i;
- int bothstatus;
- int top;
- int fpreg;
-
- bothstatus = ((status != 0) && (ep->status != 0));
- if (status != 0)
- {
- if (bothstatus)
- printf_unfiltered ("u: ");
- print_387_status_word ((unsigned int) status);
- }
-
- if (ep->status != 0)
- {
- if (bothstatus)
- printf_unfiltered ("e: ");
- print_387_status_word ((unsigned int) ep->status);
- }
-
- print_387_control_word ((unsigned int) ep->control);
- printf_unfiltered ("last exception: ");
- printf_unfiltered ("opcode %s; ", local_hex_string (ep->opcode));
- printf_unfiltered ("pc %s:", local_hex_string (ep->code_seg));
- printf_unfiltered ("%s; ", local_hex_string (ep->eip));
- printf_unfiltered ("operand %s", local_hex_string (ep->operand_seg));
- printf_unfiltered (":%s\n", local_hex_string (ep->operand));
-
- top = (ep->status >> 11) & 7;
-
- printf_unfiltered ("regno tag msb lsb value\n");
- for (fpreg = 7; fpreg >= 0; fpreg--)
- {
- double val;
-
- printf_unfiltered ("%s %d: ", fpreg == top ? "=>" : " ", fpreg);
-
- switch ((ep->tag >> (fpreg * 2)) & 3)
- {
- case 0:
- printf_unfiltered ("valid ");
- break;
- case 1:
- printf_unfiltered ("zero ");
- break;
- case 2:
- printf_unfiltered ("trap ");
- break;
- case 3:
- printf_unfiltered ("empty ");
- break;
- }
- for (i = 9; i >= 0; i--)
- printf_unfiltered ("%02x", ep->regs[fpreg][i]);
-
- floatformat_to_double (&floatformat_i387_ext, (char *) ep->regs[fpreg],
- &val);
- printf_unfiltered (" %g\n", val);
- }
-}
-
-i386_float_info (void)
-{
- struct user u; /* just for address computations */
- int i;
- /* fpstate defined in <sys/user.h> */
- struct fpstate *fpstatep;
- char buf[sizeof (struct fpstate) + 2 * sizeof (int)];
- unsigned int uaddr;
- char fpvalid;
- unsigned int rounded_addr;
- unsigned int rounded_size;
- /*extern int corechan; */
- int skip;
-
- uaddr = (char *) &U_FPSTATE (u) - (char *) &u;
- if (! ptid_equal (inferior_ptid, null_ptid))
- {
- int *ip;
-
- rounded_addr = uaddr & -sizeof (int);
- rounded_size = (((uaddr + sizeof (struct fpstate)) - uaddr) +
- sizeof (int) - 1) / sizeof (int);
- skip = uaddr - rounded_addr;
-
- ip = (int *) buf;
- for (i = 0; i < rounded_size; i++)
- {
- *ip++ = ptrace (PT_READ_U, PIDGET (inferior_ptid),
- (caddr_t) rounded_addr, 0);
- rounded_addr += sizeof (int);
- }
- }
- else
- {
- printf ("float info: can't do a core file (yet)\n");
- return;
-#if 0
- if (lseek (corechan, uaddr, 0) < 0)
- perror_with_name ("seek on core file");
- if (myread (corechan, buf, sizeof (struct fpstate)) < 0)
- perror_with_name ("read from core file");
- skip = 0;
-#endif
- }
-
- print_387_status (0, (struct env387 *) buf);
-}
-
-int
-kernel_u_size (void)
-{
- return (sizeof (struct user));
-}
-
-#endif