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-rw-r--r--gdb/ChangeLog11
-rw-r--r--gdb/frame.c2
-rw-r--r--gdb/frame.h7
-rw-r--r--gdb/mips-tdep.c46
4 files changed, 48 insertions, 18 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 0857a2f..ebb9784 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,14 @@
+2003-02-20 Kevin Buettner <kevinb@redhat.com>
+
+ * frame.c (generic_unwind_get_saved_register): Make non-static.
+ * frame.h (generic_unwind_get_saved_register): Declare.
+ * mips-tdep.c (read_next_frame_reg): Fetch register from
+ current regcache when frame is NULL.
+ (mips_init_extra_frame_info): Pass NULL explicitly for parameter
+ that must be NULL.
+ (mips_get_saved_register): Call generic_unwind_get_saved_register()
+ instead of frame_register_unwind().
+
2003-02-20 Andrew Cagney <ac131313@redhat.com>
* remote-sim.c (gdbsim_insert_breakpoint)
diff --git a/gdb/frame.c b/gdb/frame.c
index 0c3009c..c089aed 100644
--- a/gdb/frame.c
+++ b/gdb/frame.c
@@ -307,7 +307,7 @@ frame_read_signed_register (struct frame_info *frame, int regnum,
frame_unwind_signed_register (frame->next, regnum, val);
}
-static void
+void
generic_unwind_get_saved_register (char *raw_buffer,
int *optimizedp,
CORE_ADDR *addrp,
diff --git a/gdb/frame.h b/gdb/frame.h
index abaf923..646d6f6 100644
--- a/gdb/frame.h
+++ b/gdb/frame.h
@@ -550,6 +550,13 @@ extern void generic_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun,
int nargs, struct value **args,
struct type *type, int gcc_p);
+void generic_unwind_get_saved_register (char *raw_buffer,
+ int *optimizedp,
+ CORE_ADDR *addrp,
+ struct frame_info *frame,
+ int regnum,
+ enum lval_type *lvalp);
+
/* The function generic_get_saved_register() has been made obsolete.
GET_SAVED_REGISTER now defaults to the recursive equivalent -
generic_unwind_get_saved_register() - so there is no need to even
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c
index 3c7c2ca..35426b0 100644
--- a/gdb/mips-tdep.c
+++ b/gdb/mips-tdep.c
@@ -1590,20 +1590,28 @@ read_next_frame_reg (struct frame_info *fi, int regno)
int realnum;
enum lval_type lval;
void *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
- frame_register_unwind (fi, regno, &optimized, &lval, &addr, &realnum,
- raw_buffer);
- /* FIXME: cagney/2002-09-13: This is just soooo bad. The MIPS
- should have a pseudo register range that correspons to the ABI's,
- rather than the ISA's, view of registers. These registers would
- then implicitly describe their size and hence could be used
- without the below munging. */
- if (lval == lval_memory)
+
+ if (fi == NULL)
{
- if (regno < 32)
+ regcache_cooked_read (current_regcache, regno, raw_buffer);
+ }
+ else
+ {
+ frame_register_unwind (fi, regno, &optimized, &lval, &addr, &realnum,
+ raw_buffer);
+ /* FIXME: cagney/2002-09-13: This is just soooo bad. The MIPS
+ should have a pseudo register range that correspons to the ABI's,
+ rather than the ISA's, view of registers. These registers would
+ then implicitly describe their size and hence could be used
+ without the below munging. */
+ if (lval == lval_memory)
{
- /* Only MIPS_SAVED_REGSIZE bytes of GP registers are
- saved. */
- return read_memory_integer (addr, MIPS_SAVED_REGSIZE);
+ if (regno < 32)
+ {
+ /* Only MIPS_SAVED_REGSIZE bytes of GP registers are
+ saved. */
+ return read_memory_integer (addr, MIPS_SAVED_REGSIZE);
+ }
}
}
@@ -2474,11 +2482,16 @@ mips_init_extra_frame_info (int fromleaf, struct frame_info *fci)
if (get_frame_type (fci) == DUMMY_FRAME)
return;
- /* Use proc_desc calculated in frame_chain */
+ /* Use proc_desc calculated in frame_chain. When there is no
+ next frame, i.e, get_next_frame (fci) == NULL, we call
+ find_proc_desc () to calculate it, passing an explicit
+ NULL as the frame parameter. */
proc_desc =
get_next_frame (fci)
? cached_proc_desc
- : find_proc_desc (get_frame_pc (fci), get_next_frame (fci), 1);
+ : find_proc_desc (get_frame_pc (fci),
+ NULL /* i.e, get_next_frame (fci) */,
+ 1);
frame_extra_info_zalloc (fci, sizeof (struct frame_extra_info));
@@ -5482,7 +5495,6 @@ mips_get_saved_register (char *raw_buffer,
CORE_ADDR addrx;
enum lval_type lvalx;
int optimizedx;
- int realnum;
if (!target_has_registers)
error ("No registers.");
@@ -5494,8 +5506,8 @@ mips_get_saved_register (char *raw_buffer,
lvalp = &lvalx;
if (optimizedp == NULL)
optimizedp = &optimizedx;
- frame_register_unwind (get_next_frame (frame), regnum, optimizedp, lvalp,
- addrp, &realnum, raw_buffer);
+ generic_unwind_get_saved_register (raw_buffer, optimizedp, addrp, frame,
+ regnum, lvalp);
/* FIXME: cagney/2002-09-13: This is just so bad. The MIPS should
have a pseudo register range that correspons to the ABI's, rather
than the ISA's, view of registers. These registers would then