Re: patch for testing purposes

[Michael <gdb-patches@cyberfiber.org>]

[-- Attachment #1: Type: text/plain, Size: 678 bytes --]

hi joel,

i accidentally reversed the source and destination source files, here it 
is again.

michael

Joel Brobecker wrote:
>> here's a patch generated with the diff -up you suggested... hope it
>> makes things more clear.
>>     
>
> It looks like the patch you just sent (again, please send them in
> text format in the future) is against your own changes. Or maybe
> it's again another source tree, I'm not sure.  But it does not seem
> to apply to the FSF tree at first glance.
>
> Can you send a patch against the HEAD sources? You can use either our
> CVS tree, or our git mirror to get those sources.
>
>     http://www.sourceware.org/gdb/current/
>
> Thank you,
>   


[-- Attachment #2: i387-tdep.c.diff --]
[-- Type: text/x-patch, Size: 6266 bytes --]

115,118c115,117
< /* Print the status word STATUS.  */
< 
< static void
< print_i387_status_word (unsigned int status, struct ui_file *file)
---
> // print the status word
> // updated 20091231 (development@codenamezero.org)
> static void print_i387_status_word (unsigned int status, struct ui_file *file)
120,137c119
<   fprintf_filtered (file, "Status Word:         %s",
< 		    hex_string_custom (status, 4));
<   fputs_filtered ("  ", file);
<   fprintf_filtered (file, " %s", (status & 0x0001) ? "IE" : "  ");
<   fprintf_filtered (file, " %s", (status & 0x0002) ? "DE" : "  ");
<   fprintf_filtered (file, " %s", (status & 0x0004) ? "ZE" : "  ");
<   fprintf_filtered (file, " %s", (status & 0x0008) ? "OE" : "  ");
<   fprintf_filtered (file, " %s", (status & 0x0010) ? "UE" : "  ");
<   fprintf_filtered (file, " %s", (status & 0x0020) ? "PE" : "  ");
<   fputs_filtered ("  ", file);
<   fprintf_filtered (file, " %s", (status & 0x0080) ? "ES" : "  ");
<   fputs_filtered ("  ", file);
<   fprintf_filtered (file, " %s", (status & 0x0040) ? "SF" : "  ");
<   fputs_filtered ("  ", file);
<   fprintf_filtered (file, " %s", (status & 0x0100) ? "C0" : "  ");
<   fprintf_filtered (file, " %s", (status & 0x0200) ? "C1" : "  ");
<   fprintf_filtered (file, " %s", (status & 0x0400) ? "C2" : "  ");
<   fprintf_filtered (file, " %s", (status & 0x4000) ? "C3" : "  ");
---
>     fprintf_filtered (file, "status word              : %s", hex_string_custom(status, 4));
139c121
<   fputs_filtered ("\n", file);
---
>     fprintf_filtered (file, "  ");
141,143c123,134
<   fprintf_filtered (file,
< 		    "                       TOP: %d\n", ((status >> 11) & 7));
< }
---
>     fprintf_filtered (file, " %s", (status & 0x0001) ? "IE" : "  ");
>     fprintf_filtered (file, " %s", (status & 0x0002) ? "DE" : "  ");
>     fprintf_filtered (file, " %s", (status & 0x0004) ? "ZE" : "  ");
>     fprintf_filtered (file, " %s", (status & 0x0008) ? "OE" : "  ");
>     fprintf_filtered (file, " %s", (status & 0x0010) ? "UE" : "  ");
>     fprintf_filtered (file, " %s", (status & 0x0020) ? "PE" : "  ");
> 
>     fprintf_filtered (file, "  ");
> 
>     fprintf_filtered (file, " %s", (status & 0x0080) ? "ES" : "  ");
> 
>     fprintf_filtered (file, "  ");
145c136
< /* Print the control word CONTROL.  */
---
>     fprintf_filtered (file, " %s", (status & 0x0040) ? "SF" : "  ");
147,148c138,152
< static void
< print_i387_control_word (unsigned int control, struct ui_file *file)
---
>     fprintf_filtered (file, "  ");
> 
>     fprintf_filtered (file, " %s", (status & 0x0100) ? "C0" : "  ");
>     fprintf_filtered (file, " %s", (status & 0x0200) ? "C1" : "  ");
>     fprintf_filtered (file, " %s", (status & 0x0400) ? "C2" : "  ");
>     fprintf_filtered (file, " %s", (status & 0x4000) ? "C3" : "  ");
> 
>     fprintf_filtered (file, "\n");
> 
>     fprintf_filtered (file, "  top of stack (TOP)     : %d\n", ((status >> 11) & 7));
> }
> 
> // print the control word
> // updated 20091231 (development@codenamezero.org)
> static void print_i387_control_word (unsigned int control, struct ui_file *file)
150,158c154
<   fprintf_filtered (file, "Control Word:        %s",
< 		    hex_string_custom (control, 4));
<   fputs_filtered ("  ", file);
<   fprintf_filtered (file, " %s", (control & 0x0001) ? "IM" : "  ");
<   fprintf_filtered (file, " %s", (control & 0x0002) ? "DM" : "  ");
<   fprintf_filtered (file, " %s", (control & 0x0004) ? "ZM" : "  ");
<   fprintf_filtered (file, " %s", (control & 0x0008) ? "OM" : "  ");
<   fprintf_filtered (file, " %s", (control & 0x0010) ? "UM" : "  ");
<   fprintf_filtered (file, " %s", (control & 0x0020) ? "PM" : "  ");
---
>     fprintf_filtered(file, "control word             : %s\n", hex_string_custom(control, 4));
160c156
<   fputs_filtered ("\n", file);
---
>     fprintf_filtered(file, "  exception masks        : ");
162,163c158,169
<   fputs_filtered ("                       PC: ", file);
<   switch ((control >> 8) & 3)
---
>     fprintf_filtered (file, "%s ", (control & 0x0020) ? "PM" : "  "); // invalid operation
>     fprintf_filtered (file, "%s ", (control & 0x0010) ? "UM" : "  "); // denormalized operand
>     fprintf_filtered (file, "%s ", (control & 0x0008) ? "OM" : "  "); // zero divide
>     fprintf_filtered (file, "%s ", (control & 0x0004) ? "ZM" : "  "); // overflow
>     fprintf_filtered (file, "%s ", (control & 0x0002) ? "DM" : "  "); // underflow
>     fprintf_filtered (file, "%s ", (control & 0x0001) ? "IM" : "  "); // precision
> 
>     fprintf_filtered (file, "\n");
> 
>     fprintf_filtered (file, "  precision control (PC) : ");
>     
>     switch ((control >> 8) & 3)
165,176c171,182
<     case 0:
<       fputs_filtered ("Single Precision (24-bits)\n", file);
<       break;
<     case 1:
<       fputs_filtered ("Reserved\n", file);
<       break;
<     case 2:
<       fputs_filtered ("Double Precision (53-bits)\n", file);
<       break;
<     case 3:
<       fputs_filtered ("Extended Precision (64-bits)\n", file);
<       break;
---
> 	case 0:
> 	    fprintf_filtered (file, "24-bits (single precision)\n");
> 	    break;
> 	case 1:
> 	    fprintf_filtered (file, "(reserved)\n");
> 	    break;
> 	case 2:
> 	    fprintf_filtered (file, "53-bits (double precision)\n");
> 	    break;
> 	case 3:
> 	    fprintf_filtered (file, "64-bits (extended precision)\n");
> 	break;
179,180c185,187
<   fputs_filtered ("                       RC: ", file);
<   switch ((control >> 10) & 3)
---
>     fprintf_filtered (file, "  rounding control (RC)  : ");
> 
>     switch ((control >> 10) & 3)
182,193c189,200
<     case 0:
<       fputs_filtered ("Round to nearest\n", file);
<       break;
<     case 1:
<       fputs_filtered ("Round down\n", file);
<       break;
<     case 2:
<       fputs_filtered ("Round up\n", file);
<       break;
<     case 3:
<       fputs_filtered ("Round toward zero\n", file);
<       break;
---
> 	case 0:
> 	    fprintf_filtered (file, "round to nearest or even\n");
> 	    break;
> 	case 1:
> 	    fprintf_filtered (file, "round down (towards -inf)\n");
> 	    break;
> 	case 2:
> 	    fprintf_filtered (file, "round up (toward +inf)\n");
> 	    break;
> 	case 3:
> 	    fprintf_filtered (file, "chop (truncate toward zero)\n");
> 	    break;