Updated to determine PAGE_SIZE dynamically for loongarch64
apply fix to loongarch64
@@ -83,8 +83,6 @@ get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr,
return 0;
}
-#define PAGE_SIZE 4096
-#define PAGE_START(a) ((a) & ~(PAGE_SIZE-1))
static int mem_validate_pipe[2] = {-1, -1};
@@ -196,11 +194,14 @@ tdep_init_mem_validate (void)
#ifdef HAVE_MINCORE
unsigned char present = 1;
- unw_word_t addr = PAGE_START((unw_word_t)&present);
+ size_t len = unw_page_size;
+ unw_word_t addr = uwn_page_start((unw_word_t)&present);
unsigned char mvec[1];
int ret;
- while ((ret = mincore ((void*)addr, PAGE_SIZE, (unsigned char *)mvec)) == -1 &&
- errno == EAGAIN) {}
+ while ((ret = mincore ((void*)addr, len, (unsigned char *)mvec)) == -1 &&
+ errno == EAGAIN)
+ {
+ }
if (ret == 0)
{
Debug(1, "using mincore to validate memory\n");
@@ -292,14 +293,8 @@ cache_valid_mem(unw_word_t addr)
static int
validate_mem (unw_word_t addr)
{
- size_t len;
-
- if (PAGE_START(addr + sizeof (unw_word_t) - 1) == PAGE_START(addr))
- len = PAGE_SIZE;
- else
- len = PAGE_SIZE * 2;
-
- addr = PAGE_START(addr);
+ size_t len = unw_page_size;
+ addr = uwn_page_start(addr);
if (addr == 0)
return -1;
