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-rw-r--r--arch/tile/kernel/backtrace.c81
1 files changed, 34 insertions, 47 deletions
diff --git a/arch/tile/kernel/backtrace.c b/arch/tile/kernel/backtrace.c
index 1b0a410ef5e7..77265f3b58d6 100644
--- a/arch/tile/kernel/backtrace.c
+++ b/arch/tile/kernel/backtrace.c
@@ -30,18 +30,18 @@
/** A decoded bundle used for backtracer analysis. */
-typedef struct {
+struct BacktraceBundle {
tile_bundle_bits bits;
int num_insns;
struct tile_decoded_instruction
insns[TILE_MAX_INSTRUCTIONS_PER_BUNDLE];
-} BacktraceBundle;
+};
/* This implementation only makes sense for native tools. */
/** Default function to read memory. */
-static bool
-bt_read_memory(void *result, VirtualAddress addr, size_t size, void *extra)
+static bool bt_read_memory(void *result, VirtualAddress addr,
+ size_t size, void *extra)
{
/* FIXME: this should do some horrible signal stuff to catch
* SEGV cleanly and fail.
@@ -58,11 +58,11 @@ bt_read_memory(void *result, VirtualAddress addr, size_t size, void *extra)
* has the specified mnemonic, and whose first 'num_operands_to_match'
* operands exactly match those in 'operand_values'.
*/
-static const struct tile_decoded_instruction*
-find_matching_insn(const BacktraceBundle *bundle,
- tile_mnemonic mnemonic,
- const int *operand_values,
- int num_operands_to_match)
+static const struct tile_decoded_instruction *find_matching_insn(
+ const struct BacktraceBundle *bundle,
+ tile_mnemonic mnemonic,
+ const int *operand_values,
+ int num_operands_to_match)
{
int i, j;
bool match;
@@ -90,8 +90,7 @@ find_matching_insn(const BacktraceBundle *bundle,
}
/** Does this bundle contain an 'iret' instruction? */
-static inline bool
-bt_has_iret(const BacktraceBundle *bundle)
+static inline bool bt_has_iret(const struct BacktraceBundle *bundle)
{
return find_matching_insn(bundle, TILE_OPC_IRET, NULL, 0) != NULL;
}
@@ -99,8 +98,7 @@ bt_has_iret(const BacktraceBundle *bundle)
/** Does this bundle contain an 'addi sp, sp, OFFSET' or
* 'addli sp, sp, OFFSET' instruction, and if so, what is OFFSET?
*/
-static bool
-bt_has_addi_sp(const BacktraceBundle *bundle, int *adjust)
+static bool bt_has_addi_sp(const struct BacktraceBundle *bundle, int *adjust)
{
static const int vals[2] = { TREG_SP, TREG_SP };
@@ -120,8 +118,7 @@ bt_has_addi_sp(const BacktraceBundle *bundle, int *adjust)
* as an unsigned value by this code since that's what the caller wants.
* Returns the number of info ops found.
*/
-static int
-bt_get_info_ops(const BacktraceBundle *bundle,
+static int bt_get_info_ops(const struct BacktraceBundle *bundle,
int operands[MAX_INFO_OPS_PER_BUNDLE])
{
int num_ops = 0;
@@ -143,8 +140,7 @@ bt_get_info_ops(const BacktraceBundle *bundle,
/** Does this bundle contain a jrp instruction, and if so, to which
* register is it jumping?
*/
-static bool
-bt_has_jrp(const BacktraceBundle *bundle, int *target_reg)
+static bool bt_has_jrp(const struct BacktraceBundle *bundle, int *target_reg)
{
const struct tile_decoded_instruction *insn =
find_matching_insn(bundle, TILE_OPC_JRP, NULL, 0);
@@ -156,8 +152,7 @@ bt_has_jrp(const BacktraceBundle *bundle, int *target_reg)
}
/** Does this bundle modify the specified register in any way? */
-static bool
-bt_modifies_reg(const BacktraceBundle *bundle, int reg)
+static bool bt_modifies_reg(const struct BacktraceBundle *bundle, int reg)
{
int i, j;
for (i = 0; i < bundle->num_insns; i++) {
@@ -177,30 +172,26 @@ bt_modifies_reg(const BacktraceBundle *bundle, int reg)
}
/** Does this bundle modify sp? */
-static inline bool
-bt_modifies_sp(const BacktraceBundle *bundle)
+static inline bool bt_modifies_sp(const struct BacktraceBundle *bundle)
{
return bt_modifies_reg(bundle, TREG_SP);
}
/** Does this bundle modify lr? */
-static inline bool
-bt_modifies_lr(const BacktraceBundle *bundle)
+static inline bool bt_modifies_lr(const struct BacktraceBundle *bundle)
{
return bt_modifies_reg(bundle, TREG_LR);
}
/** Does this bundle contain the instruction 'move fp, sp'? */
-static inline bool
-bt_has_move_r52_sp(const BacktraceBundle *bundle)
+static inline bool bt_has_move_r52_sp(const struct BacktraceBundle *bundle)
{
static const int vals[2] = { 52, TREG_SP };
return find_matching_insn(bundle, TILE_OPC_MOVE, vals, 2) != NULL;
}
/** Does this bundle contain the instruction 'sw sp, lr'? */
-static inline bool
-bt_has_sw_sp_lr(const BacktraceBundle *bundle)
+static inline bool bt_has_sw_sp_lr(const struct BacktraceBundle *bundle)
{
static const int vals[2] = { TREG_SP, TREG_LR };
return find_matching_insn(bundle, TILE_OPC_SW, vals, 2) != NULL;
@@ -209,11 +200,10 @@ bt_has_sw_sp_lr(const BacktraceBundle *bundle)
/** Locates the caller's PC and SP for a program starting at the
* given address.
*/
-static void
-find_caller_pc_and_caller_sp(CallerLocation *location,
- const VirtualAddress start_pc,
- BacktraceMemoryReader read_memory_func,
- void *read_memory_func_extra)
+static void find_caller_pc_and_caller_sp(CallerLocation *location,
+ const VirtualAddress start_pc,
+ BacktraceMemoryReader read_memory_func,
+ void *read_memory_func_extra)
{
/* Have we explicitly decided what the sp is,
* rather than just the default?
@@ -253,7 +243,7 @@ find_caller_pc_and_caller_sp(CallerLocation *location,
for (pc = start_pc;; pc += sizeof(tile_bundle_bits)) {
- BacktraceBundle bundle;
+ struct BacktraceBundle bundle;
int num_info_ops, info_operands[MAX_INFO_OPS_PER_BUNDLE];
int one_ago, jrp_reg;
bool has_jrp;
@@ -475,12 +465,11 @@ find_caller_pc_and_caller_sp(CallerLocation *location,
}
}
-void
-backtrace_init(BacktraceIterator *state,
- BacktraceMemoryReader read_memory_func,
- void *read_memory_func_extra,
- VirtualAddress pc, VirtualAddress lr,
- VirtualAddress sp, VirtualAddress r52)
+void backtrace_init(BacktraceIterator *state,
+ BacktraceMemoryReader read_memory_func,
+ void *read_memory_func_extra,
+ VirtualAddress pc, VirtualAddress lr,
+ VirtualAddress sp, VirtualAddress r52)
{
CallerLocation location;
VirtualAddress fp, initial_frame_caller_pc;
@@ -558,8 +547,7 @@ backtrace_init(BacktraceIterator *state,
state->read_memory_func_extra = read_memory_func_extra;
}
-bool
-backtrace_next(BacktraceIterator *state)
+bool backtrace_next(BacktraceIterator *state)
{
VirtualAddress next_fp, next_pc, next_frame[2];
@@ -614,12 +602,11 @@ backtrace_next(BacktraceIterator *state)
#else /* TILE_CHIP < 10 */
-void
-backtrace_init(BacktraceIterator *state,
- BacktraceMemoryReader read_memory_func,
- void *read_memory_func_extra,
- VirtualAddress pc, VirtualAddress lr,
- VirtualAddress sp, VirtualAddress r52)
+void backtrace_init(BacktraceIterator *state,
+ BacktraceMemoryReader read_memory_func,
+ void *read_memory_func_extra,
+ VirtualAddress pc, VirtualAddress lr,
+ VirtualAddress sp, VirtualAddress r52)
{
state->pc = pc;
state->sp = sp;
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-08 10:35:08 +0000