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authorJason Molenda <jsm@bugshack.cygnus.com>1999-08-02 23:44:58 +0000
committerJason Molenda <jsm@bugshack.cygnus.com>1999-08-02 23:44:58 +0000
commitf84a47ce8a7028902e7294c173c8720aca82fa5d (patch)
tree8c1eb2b134bcc40fbac3e75ae8420a8502250fbe /sim
parent72dde35d97a47b7cc45d4e036590ae9d36c1e1dc (diff)
downloadgdb-f84a47ce8a7028902e7294c173c8720aca82fa5d.tar.gz
import gdb-1999-08-02 snapshot
Diffstat (limited to 'sim')
-rw-r--r--sim/mips/ChangeLog6
-rw-r--r--sim/mips/interp.c52
2 files changed, 50 insertions, 8 deletions
diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog
index cdea1ae66bb..64751c9f2fc 100644
--- a/sim/mips/ChangeLog
+++ b/sim/mips/ChangeLog
@@ -1,3 +1,9 @@
+Tue Jul 27 16:36:51 1999 Andrew Cagney <cagney@amy.cygnus.com>
+
+ * interp.c (sim_store_register): Handle case where client - GDB -
+ specifies that a 4 byte register is 8 bytes in size.
+ (sim_fetch_register): Ditto.
+
1999-07-14 Frank Ch. Eigler <fche@cygnus.com>
Implement "sim firmware" option, inspired by jimb's version of 1998-01.
diff --git a/sim/mips/interp.c b/sim/mips/interp.c
index 3ee500195be..49750081096 100644
--- a/sim/mips/interp.c
+++ b/sim/mips/interp.c
@@ -850,8 +850,17 @@ sim_store_register (sd,rn,memory,length)
cpu->fpr_state[rn - FGRIDX] = fmt_uninterpreted;
if (cpu->register_widths[rn] == 32)
{
- cpu->fgr[rn - FGRIDX] = T2H_4 (*(unsigned32*)memory);
- return 4;
+ if (length == 8)
+ {
+ cpu->fgr[rn - FGRIDX] =
+ (unsigned32) T2H_8 (*(unsigned64*)memory);
+ return 8;
+ }
+ else
+ {
+ cpu->fgr[rn - FGRIDX] = T2H_4 (*(unsigned32*)memory);
+ return 4;
+ }
}
else
{
@@ -862,8 +871,17 @@ sim_store_register (sd,rn,memory,length)
if (cpu->register_widths[rn] == 32)
{
- cpu->registers[rn] = T2H_4 (*(unsigned32*)memory);
- return 4;
+ if (length == 8)
+ {
+ cpu->registers[rn] =
+ (unsigned32) T2H_8 (*(unsigned64*)memory);
+ return 8;
+ }
+ else
+ {
+ cpu->registers[rn] = T2H_4 (*(unsigned32*)memory);
+ return 4;
+ }
}
else
{
@@ -903,8 +921,17 @@ sim_fetch_register (sd,rn,memory,length)
{
if (cpu->register_widths[rn] == 32)
{
- *(unsigned32*)memory = H2T_4 (cpu->fgr[rn - FGRIDX]);
- return 4;
+ if (length == 8)
+ {
+ *(unsigned64*)memory =
+ H2T_8 ((unsigned32) (cpu->fgr[rn - FGRIDX]));
+ return 8;
+ }
+ else
+ {
+ *(unsigned32*)memory = H2T_4 (cpu->fgr[rn - FGRIDX]);
+ return 4;
+ }
}
else
{
@@ -915,8 +942,17 @@ sim_fetch_register (sd,rn,memory,length)
if (cpu->register_widths[rn] == 32)
{
- *(unsigned32*)memory = H2T_4 ((unsigned32)(cpu->registers[rn]));
- return 4;
+ if (length == 8)
+ {
+ *(unsigned64*)memory =
+ H2T_8 ((unsigned32) (cpu->registers[rn]));
+ return 8;
+ }
+ else
+ {
+ *(unsigned32*)memory = H2T_4 ((unsigned32)(cpu->registers[rn]));
+ return 4;
+ }
}
else
{