diff options
Diffstat (limited to 'gdb/aarch64-tdep.c')
| -rw-r--r-- | gdb/aarch64-tdep.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/gdb/aarch64-tdep.c b/gdb/aarch64-tdep.c index 6f3a643..b21182b 100644 --- a/gdb/aarch64-tdep.c +++ b/gdb/aarch64-tdep.c @@ -1050,18 +1050,22 @@ struct frame_unwind aarch64_prologue_unwind = default_frame_sniffer }; -/* Allocate an aarch64_prologue_cache and fill it with information - about the prologue of *THIS_FRAME. */ +/* Allocate and fill in *THIS_CACHE with information about the prologue of + *THIS_FRAME. Do not do this is if *THIS_CACHE was already allocated. + Return a pointer to the current aarch64_prologue_cache in + *THIS_CACHE. */ static struct aarch64_prologue_cache * -aarch64_make_stub_cache (struct frame_info *this_frame) +aarch64_make_stub_cache (struct frame_info *this_frame, void **this_cache) { - int reg; struct aarch64_prologue_cache *cache; - CORE_ADDR unwound_fp; + + if (*this_cache != NULL) + return *this_cache; cache = FRAME_OBSTACK_ZALLOC (struct aarch64_prologue_cache); cache->saved_regs = trad_frame_alloc_saved_regs (this_frame); + *this_cache = cache; cache->prev_sp = get_frame_register_unsigned (this_frame, AARCH64_SP_REGNUM); @@ -1075,11 +1079,8 @@ static void aarch64_stub_this_id (struct frame_info *this_frame, void **this_cache, struct frame_id *this_id) { - struct aarch64_prologue_cache *cache; - - if (*this_cache == NULL) - *this_cache = aarch64_make_stub_cache (this_frame); - cache = *this_cache; + struct aarch64_prologue_cache *cache + = aarch64_make_stub_cache (this_frame, this_cache); *this_id = frame_id_build (cache->prev_sp, get_frame_pc (this_frame)); } |