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authorMichael Snyder <msnyder@vmware.com>2002-09-17 20:54:02 +0000
committerMichael Snyder <msnyder@vmware.com>2002-09-17 20:54:02 +0000
commit21f87145aaefc6ebd8b661c70531a2c452dca1f5 (patch)
treed46c5edc6c824161a31171996627e5eac7031d29 /gdb
parent6f1d84a5f0310e48c3a6b757da9526bba12a1e78 (diff)
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2002-08-13 Michael Snyder <msnyder@redhat.com>
* mips-tdep.c (mips_pop_frame): Read saved values of floating point registers without sign extension.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/ChangeLog5
-rw-r--r--gdb/mips-tdep.c22
2 files changed, 20 insertions, 7 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 14d09fb..f2c1116 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2002-08-13 Michael Snyder <msnyder@redhat.com>
+
+ * mips-tdep.c (mips_pop_frame): Read saved values of floating
+ point registers without sign extension.
+
2002-09-17 Andrew Cagney <cagney@redhat.com>
* blockframe.c (deprecated_read_register_dummy): Rename
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c
index 5071446..683faa4 100644
--- a/gdb/mips-tdep.c
+++ b/gdb/mips-tdep.c
@@ -3782,13 +3782,21 @@ mips_pop_frame (void)
if (frame->saved_regs == NULL)
FRAME_INIT_SAVED_REGS (frame);
for (regnum = 0; regnum < NUM_REGS; regnum++)
- {
- if (regnum != SP_REGNUM && regnum != PC_REGNUM
- && frame->saved_regs[regnum])
- write_register (regnum,
- read_memory_integer (frame->saved_regs[regnum],
- MIPS_SAVED_REGSIZE));
- }
+ if (regnum != SP_REGNUM && regnum != PC_REGNUM
+ && frame->saved_regs[regnum])
+ {
+ /* Floating point registers must not be sign extended,
+ in case MIPS_SAVED_REGSIZE = 4 but sizeof (FP0_REGNUM) == 8. */
+
+ if (FP0_REGNUM <= regnum && regnum < FP0_REGNUM + 32)
+ write_register (regnum,
+ read_memory_unsigned_integer (frame->saved_regs[regnum],
+ MIPS_SAVED_REGSIZE));
+ else
+ write_register (regnum,
+ read_memory_integer (frame->saved_regs[regnum],
+ MIPS_SAVED_REGSIZE));
+ }
write_register (SP_REGNUM, new_sp);
flush_cached_frames ();