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Diffstat (limited to 'arch/arc/kernel/unwind.c')
-rw-r--r--arch/arc/kernel/unwind.c40
1 files changed, 14 insertions, 26 deletions
diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c
index 47bab67f8649..789cfb9ea14e 100644
--- a/arch/arc/kernel/unwind.c
+++ b/arch/arc/kernel/unwind.c
@@ -19,7 +19,7 @@
#include <linux/uaccess.h>
#include <linux/ptrace.h>
#include <asm/sections.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <asm/unwind.h>
extern char __start_unwind[], __end_unwind[];
@@ -241,26 +241,12 @@ static int cmp_eh_frame_hdr_table_entries(const void *p1, const void *p2)
return (e1->start > e2->start) - (e1->start < e2->start);
}
-static void swap_eh_frame_hdr_table_entries(void *p1, void *p2, int size)
-{
- struct eh_frame_hdr_table_entry *e1 = p1;
- struct eh_frame_hdr_table_entry *e2 = p2;
- unsigned long v;
-
- v = e1->start;
- e1->start = e2->start;
- e2->start = v;
- v = e1->fde;
- e1->fde = e2->fde;
- e2->fde = v;
-}
-
static void init_unwind_hdr(struct unwind_table *table,
void *(*alloc) (unsigned long))
{
const u8 *ptr;
unsigned long tableSize = table->size, hdrSize;
- unsigned n;
+ unsigned int n;
const u32 *fde;
struct {
u8 version;
@@ -350,7 +336,7 @@ static void init_unwind_hdr(struct unwind_table *table,
sort(header->table,
n,
sizeof(*header->table),
- cmp_eh_frame_hdr_table_entries, swap_eh_frame_hdr_table_entries);
+ cmp_eh_frame_hdr_table_entries, NULL);
table->hdrsz = hdrSize;
smp_wmb();
@@ -374,6 +360,8 @@ void *unwind_add_table(struct module *module, const void *table_start,
unsigned long table_size)
{
struct unwind_table *table;
+ struct module_memory *core_text;
+ struct module_memory *init_text;
if (table_size <= 0)
return NULL;
@@ -382,11 +370,11 @@ void *unwind_add_table(struct module *module, const void *table_start,
if (!table)
return NULL;
- init_unwind_table(table, module->name,
- module->core_layout.base, module->core_layout.size,
- module->init_layout.base, module->init_layout.size,
- table_start, table_size,
- NULL, 0);
+ core_text = &module->mem[MOD_TEXT];
+ init_text = &module->mem[MOD_INIT_TEXT];
+
+ init_unwind_table(table, module->name, core_text->base, core_text->size,
+ init_text->base, init_text->size, table_start, table_size, NULL, 0);
init_unwind_hdr(table, unw_hdr_alloc);
@@ -462,7 +450,7 @@ static uleb128_t get_uleb128(const u8 **pcur, const u8 *end)
{
const u8 *cur = *pcur;
uleb128_t value;
- unsigned shift;
+ unsigned int shift;
for (shift = 0, value = 0; cur < end; shift += 7) {
if (shift + 7 > 8 * sizeof(value)
@@ -483,7 +471,7 @@ static sleb128_t get_sleb128(const u8 **pcur, const u8 *end)
{
const u8 *cur = *pcur;
sleb128_t value;
- unsigned shift;
+ unsigned int shift;
for (shift = 0, value = 0; cur < end; shift += 7) {
if (shift + 7 > 8 * sizeof(value)
@@ -609,7 +597,7 @@ static unsigned long read_pointer(const u8 **pLoc, const void *end,
static signed fde_pointer_type(const u32 *cie)
{
const u8 *ptr = (const u8 *)(cie + 2);
- unsigned version = *ptr;
+ unsigned int version = *ptr;
if (*++ptr) {
const char *aug;
@@ -904,7 +892,7 @@ int arc_unwind(struct unwind_frame_info *frame)
const u8 *ptr = NULL, *end = NULL;
unsigned long pc = UNW_PC(frame) - frame->call_frame;
unsigned long startLoc = 0, endLoc = 0, cfa;
- unsigned i;
+ unsigned int i;
signed ptrType = -1;
uleb128_t retAddrReg = 0;
const struct unwind_table *table;