diff options
Diffstat (limited to 'gnu/usr.bin/binutils')
-rw-r--r-- | gnu/usr.bin/binutils/gdb/i386/freebsd-nat.c | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/gnu/usr.bin/binutils/gdb/i386/freebsd-nat.c b/gnu/usr.bin/binutils/gdb/i386/freebsd-nat.c index ef7a98a..90b3236 100644 --- a/gnu/usr.bin/binutils/gdb/i386/freebsd-nat.c +++ b/gnu/usr.bin/binutils/gdb/i386/freebsd-nat.c @@ -17,7 +17,7 @@ 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. - $Id: freebsd-nat.c,v 1.5 1995/04/26 01:01:07 jkh Exp $ + $Id: freebsd-nat.c,v 1.6 1995/05/09 13:59:22 rgrimes Exp $ */ #include <sys/types.h> @@ -32,7 +32,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. /* this table must line up with REGISTER_NAMES in tm-i386v.h */ /* symbols like 'tEAX' come from <machine/reg.h> */ -static int tregmap[] = +static int tregmap[] = { tEAX, tECX, tEDX, tEBX, tESP, tEBP, tESI, tEDI, @@ -64,7 +64,7 @@ i387_to_double (from, to) /* push extended mode on 387 stack, then pop in double mode * * first, set exception masks so no error is generated - - * number will be rounded to inf or 0, if necessary + * number will be rounded to inf or 0, if necessary */ asm ("pushl %eax"); /* grab a stack slot */ asm ("fstcw (%esp)"); /* get 387 control word */ @@ -72,14 +72,14 @@ i387_to_double (from, to) asm ("orl $0x3f,%eax"); /* mask all exceptions */ asm ("pushl %eax"); asm ("fldcw (%esp)"); /* load new value into 387 */ - + asm ("movl 8(%ebp),%eax"); asm ("fldt (%eax)"); /* push extended number on 387 stack */ asm ("fwait"); asm ("movl 12(%ebp),%eax"); asm ("fstpl (%eax)"); /* pop double */ asm ("fwait"); - + asm ("popl %eax"); /* flush modified control word */ asm ("fnclex"); /* clear exceptions */ asm ("fldcw (%esp)"); /* restore original control word */ @@ -105,7 +105,7 @@ double_to_i387 (from, to) } #endif -struct env387 +struct env387 { unsigned short control; unsigned short r0; @@ -128,7 +128,7 @@ unsigned int control; { printf ("control 0x%04x: ", control); printf ("compute to "); - switch ((control >> 8) & 3) + switch ((control >> 8) & 3) { case 0: printf ("24 bits; "); break; case 1: printf ("(bad); "); break; @@ -136,14 +136,14 @@ unsigned int control; case 3: printf ("64 bits; "); break; } printf ("round "); - switch ((control >> 10) & 3) + switch ((control >> 10) & 3) { case 0: printf ("NEAREST; "); break; case 1: printf ("DOWN; "); break; case 2: printf ("UP; "); break; case 3: printf ("CHOP; "); break; } - if (control & 0x3f) + if (control & 0x3f) { printf ("mask:"); if (control & 0x0001) printf (" INVALID"); @@ -164,7 +164,7 @@ print_387_status_word (status) unsigned int status; { printf ("status 0x%04x: ", status); - if (status & 0xff) + if (status & 0xff) { printf ("exceptions:"); if (status & 0x0001) printf (" INVALID"); @@ -181,7 +181,7 @@ print_387_status_word (status) (status & 0x0400) != 0, (status & 0x0200) != 0, (status & 0x0100) != 0); - + printf ("top %d\n", (status >> 11) & 7); } @@ -195,43 +195,43 @@ print_387_status (status, ep) int top; int fpreg; unsigned char *p; - + bothstatus = ((status != 0) && (ep->status != 0)); - if (status != 0) + if (status != 0) { if (bothstatus) printf ("u: "); print_387_status_word ((unsigned int)status); } - - if (ep->status != 0) + + if (ep->status != 0) { if (bothstatus) printf ("e: "); print_387_status_word ((unsigned int)ep->status); } - + print_387_control_word ((unsigned int)ep->control); printf ("opcode 0x%x; ", ep->opcode); printf ("pc 0x%x:0x%x; ", ep->code_seg, ep->eip); printf ("operand 0x%x:0x%x\n", ep->operand_seg, ep->operand); - + top = (ep->status >> 11) & 7; - + printf (" regno tag msb lsb value\n"); - for (fpreg = 7; fpreg >= 0; fpreg--) + for (fpreg = 7; fpreg >= 0; fpreg--) { int st_regno; double val; - + /* The physical regno `fpreg' is only relevant as an index into the * tag word. Logical `%st' numbers are required for indexing ep->regs. */ st_regno = (fpreg + 8 - top) & 7; printf ("%%st(%d) %s ", st_regno, fpreg == top ? "=>" : " "); - - switch ((ep->tag >> (fpreg * 2)) & 3) + + switch ((ep->tag >> (fpreg * 2)) & 3) { case 0: printf ("valid "); break; case 1: printf ("zero "); break; @@ -240,7 +240,7 @@ print_387_status (status, ep) } for (i = 9; i >= 0; i--) printf ("%02x", ep->regs[st_regno][i]); - + i387_to_double (ep->regs[st_regno], (char *)&val); printf (" %g\n", val); } @@ -261,25 +261,25 @@ i386_float_info () /*extern int corechan;*/ int skip; extern int inferior_pid; - + uaddr = (char *)&U_FPSTATE(u) - (char *)&u; - if (inferior_pid) + if (inferior_pid) { 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++) + for (i = 0; i < rounded_size; i++) { *ip++ = ptrace (PT_READ_U, inferior_pid, (caddr_t)rounded_addr, 0); rounded_addr += sizeof (int); } - } - else + } + else { #if 1 printf("float info: can't do a core file (yet)\n"); @@ -287,12 +287,12 @@ i386_float_info () #else if (lseek (corechan, uaddr, 0) < 0) perror_with_name ("seek on core file"); - if (myread (corechan, buf, sizeof (struct fpstate)) < 0) + if (myread (corechan, buf, sizeof (struct fpstate)) < 0) perror_with_name ("read from core file"); skip = 0; #endif } - + fpstatep = (struct fpstate *)(buf + skip); print_387_status (fpstatep->sv_ex_sw, (struct env387 *)fpstatep); } @@ -582,7 +582,7 @@ CORE_ADDR uaddr; } /* - * read len bytes from kernel virtual address 'addr' into local + * read len bytes from kernel virtual address 'addr' into local * buffer 'buf'. Return numbert of bytes if read ok, 0 otherwise. On read * errors, portion of buffer not read is zeroed. */ |