diff options
Diffstat (limited to 'gdb/sentinel-frame.c')
-rw-r--r-- | gdb/sentinel-frame.c | 54 |
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; |