static struct sparc_frame_cache *
sparc32nbsd_sigcontext_frame_cache (struct frame_info *this_frame,
void **this_cache)
{
struct sparc_frame_cache *cache;
CORE_ADDR addr;
if (*this_cache)
return *this_cache;
cache = sparc_frame_cache (this_frame, this_cache);
gdb_assert (cache == *this_cache);
/* If we couldn't find the frame's function, we're probably dealing
with an on-stack signal trampoline. */
if (cache->pc == 0)
{
cache->pc = sparc32nbsd_sigtramp_start;
/* Since we couldn't find the frame's function, the cache was
initialized under the assumption that we're frameless. */
sparc_record_save_insn (cache);
addr = get_frame_register_unsigned (this_frame, SPARC_FP_REGNUM);
cache->base = addr;
}
cache->saved_regs = sparc32nbsd_sigcontext_saved_regs (this_frame);
return cache;
}
static struct sparc_frame_cache *
sparc32obsd_frame_cache (struct frame_info *next_frame, void **this_cache)
{
struct sparc_frame_cache *cache;
CORE_ADDR addr;
if (*this_cache)
return *this_cache;
cache = sparc_frame_cache (next_frame, this_cache);
gdb_assert (cache == *this_cache);
/* If we couldn't find the frame's function, we're probably dealing
with an on-stack signal trampoline. */
if (cache->pc == 0)
{
cache->pc = frame_pc_unwind (next_frame);
cache->pc &= ~(sparc32obsd_page_size - 1);
/* Since we couldn't find the frame's function, the cache was
initialized under the assumption that we're frameless. */
cache->frameless_p = 0;
addr = frame_unwind_register_unsigned (next_frame, SPARC_FP_REGNUM);
cache->base = addr;
}
cache->saved_regs = sparc32nbsd_sigcontext_saved_regs (next_frame);
return cache;
}
