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-rw-r--r--gdb/sentinel-frame.c54
1 files changed, 20 insertions, 34 deletions
diff --git a/gdb/sentinel-frame.c b/gdb/sentinel-frame.c
index ccf0359..4ad3a4b 100644
--- a/gdb/sentinel-frame.c
+++ b/gdb/sentinel-frame.c
@@ -42,34 +42,31 @@ sentinel_frame_cache (struct regcache *regcache)
/* Here the register value is taken direct from the register cache. */
-static void
-sentinel_frame_prev_register (struct frame_info *next_frame,
+static struct value *
+sentinel_frame_prev_register (struct frame_info *this_frame,
void **this_prologue_cache,
- int regnum, int *optimized,
- enum lval_type *lvalp, CORE_ADDR *addrp,
- int *realnum, gdb_byte *bufferp)
+ int regnum)
{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct frame_unwind_cache *cache = *this_prologue_cache;
- /* Describe the register's location. A reg-frame maps all registers
- onto the corresponding hardware register. */
- *optimized = 0;
- *lvalp = lval_register;
- *addrp = 0;
- *realnum = regnum;
-
- /* If needed, find and return the value of the register. */
- if (bufferp != NULL)
- {
- /* Return the actual value. */
- /* Use the regcache_cooked_read() method so that it, on the fly,
- constructs either a raw or pseudo register from the raw
- register cache. */
- regcache_cooked_read (cache->regcache, regnum, bufferp);
- }
+ struct value *value;
+
+ /* Return the actual value. */
+ value = allocate_value (register_type (gdbarch, regnum));
+ VALUE_LVAL (value) = lval_register;
+ VALUE_REGNUM (value) = regnum;
+ VALUE_FRAME_ID (value) = get_frame_id (this_frame);
+
+ /* Use the regcache_cooked_read() method so that it, on the fly,
+ constructs either a raw or pseudo register from the raw
+ register cache. */
+ regcache_cooked_read (cache->regcache, regnum, value_contents_raw (value));
+
+ return value;
}
static void
-sentinel_frame_this_id (struct frame_info *next_frame,
+sentinel_frame_this_id (struct frame_info *this_frame,
void **this_prologue_cache,
struct frame_id *this_id)
{
@@ -79,22 +76,11 @@ sentinel_frame_this_id (struct frame_info *next_frame,
internal_error (__FILE__, __LINE__, _("sentinel_frame_this_id called"));
}
-static CORE_ADDR
-sentinel_frame_prev_pc (struct frame_info *next_frame,
- void **this_prologue_cache)
-{
- struct gdbarch *gdbarch = get_frame_arch (next_frame);
- return gdbarch_unwind_pc (gdbarch, next_frame);
-}
-
const struct frame_unwind sentinel_frame_unwinder =
{
SENTINEL_FRAME,
sentinel_frame_this_id,
- sentinel_frame_prev_register,
- NULL, /* unwind_data */
- NULL, /* sniffer */
- sentinel_frame_prev_pc,
+ sentinel_frame_prev_register
};
const struct frame_unwind *const sentinel_frame_unwind = &sentinel_frame_unwinder;