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-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/mips-tdep.c19
2 files changed, 21 insertions, 4 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index e28a8046bfb..63873a08128 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2002-08-05 Michael Snyder <msnyder@redhat.com>
+
+ * mips-tdep.c (mips_find_saved_regs): Adjust stack according
+ to MIPS_SAVED_REGSIZE, not GDB_TARGET_IS_MIPS64. Enhance comment.
+ (mips_gdbarch_init): Set N32 target to be mips64.
+
2002-08-06 Kevin Buettner <kevinb@redhat.com>
* frame.c (find_saved_register): Break out of loop once saved
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c
index 58d926c1b50..ffe327d3376 100644
--- a/gdb/mips-tdep.c
+++ b/gdb/mips-tdep.c
@@ -1371,9 +1371,20 @@ mips_find_saved_regs (struct frame_info *fci)
were saved. */
reg_position = fci->frame + PROC_FREG_OFFSET (proc_desc);
- /* The freg_offset points to where the first *double* register
- is saved. So skip to the high-order word. */
- if (!GDB_TARGET_IS_MIPS64)
+ /* Apparently, the freg_offset gives the offset to the first 64 bit
+ saved.
+
+ When the ABI specifies 64 bit saved registers, the FREG_OFFSET
+ designates the first saved 64 bit register.
+
+ When the ABI specifies 32 bit saved registers, the ``64 bit saved
+ DOUBLE'' consists of two adjacent 32 bit registers, Hence
+ FREG_OFFSET, designates the address of the lower register of the
+ register pair. Adjust the offset so that it designates the upper
+ register of the pair -- i.e., the address of the first saved 32
+ bit register. */
+
+ if (MIPS_SAVED_REGSIZE == 4)
reg_position += MIPS_SAVED_REGSIZE;
/* Fill in the offsets for the float registers which float_mask says
@@ -4525,7 +4536,7 @@ mips_gdbarch_init (struct gdbarch_info info,
tdep->mips_last_arg_regnum = A0_REGNUM + 8 - 1;
tdep->mips_last_fp_arg_regnum = FPA0_REGNUM + 8 - 1;
tdep->mips_regs_have_home_p = 0;
- tdep->gdb_target_is_mips64 = 0;
+ tdep->gdb_target_is_mips64 = 1;
tdep->default_mask_address_p = 0;
set_gdbarch_long_bit (gdbarch, 32);
set_gdbarch_ptr_bit (gdbarch, 32);