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authorJim Kingdon <jkingdon@engr.sgi.com>1994-01-22 22:14:04 +0000
committerJim Kingdon <jkingdon@engr.sgi.com>1994-01-22 22:14:04 +0000
commitdfd4c728fa4aad5c2975966d280d3ae976dce121 (patch)
treed7d02525a949f01b4af79801638d678cba06740c /gdb/i386aix-nat.c
parenta4738d5ed28c73761c121d19b599c688aa7c30ed (diff)
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* i386aix-nat.c (i386_float_info): Reverse order of registers before
passing them to print_387_status. (print_387_status): Don't subtract top from 7 before using it. * i387-tdep.c: Remove comment about AIX wanting "top" subtracted from 7; the above explains it.
Diffstat (limited to 'gdb/i386aix-nat.c')
-rw-r--r--gdb/i386aix-nat.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/gdb/i386aix-nat.c b/gdb/i386aix-nat.c
index 0c26c8f..15e02b0 100644
--- a/gdb/i386aix-nat.c
+++ b/gdb/i386aix-nat.c
@@ -145,16 +145,16 @@ print_387_status (status, ep)
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 = 7- ((ep->status >> 11) & 7);
-
+
+ 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 >> ((7 - fpreg) * 2)) & 3)
{
case 0: printf_unfiltered ("valid "); break;
@@ -177,6 +177,10 @@ i386_float_info ()
{
struct env387 fps;
int fpsaved = 0;
+ /* We need to reverse the order of the registers. Apparently AIX stores
+ the highest-numbered ones first. */
+ struct env387 fps_fixed;
+ int i;
if (inferior_pid)
{
@@ -210,8 +214,10 @@ i386_float_info ()
MIN(10, sizeof(fps) - offset));
}
}
-
- print_387_status (0, (struct env387 *)&fps);
+ fps_fixed = fps;
+ for (i = 0; i < 8; ++i)
+ memcpy (fps_fixed.regs[i], fps.regs[7 - i], 10);
+ print_387_status (0, &fps_fixed);
}
/* Fetch one register. */