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Diffstat (limited to 'arch/tile/include/asm/backtrace.h')
-rw-r--r--arch/tile/include/asm/backtrace.h82
1 files changed, 23 insertions, 59 deletions
diff --git a/arch/tile/include/asm/backtrace.h b/arch/tile/include/asm/backtrace.h
index f18887d82399..bd5399a69edf 100644
--- a/arch/tile/include/asm/backtrace.h
+++ b/arch/tile/include/asm/backtrace.h
@@ -12,80 +12,41 @@
* more details.
*/
-#ifndef _TILE_BACKTRACE_H
-#define _TILE_BACKTRACE_H
-
-
+#ifndef _ASM_TILE_BACKTRACE_H
+#define _ASM_TILE_BACKTRACE_H
#include <linux/types.h>
-#include <arch/chip.h>
-
-#if defined(__tile__)
-typedef unsigned long VirtualAddress;
-#elif CHIP_VA_WIDTH() > 32
-typedef unsigned long long VirtualAddress;
-#else
-typedef unsigned int VirtualAddress;
-#endif
-
-
-/** Reads 'size' bytes from 'address' and writes the data to 'result'.
+/* Reads 'size' bytes from 'address' and writes the data to 'result'.
* Returns true if successful, else false (e.g. memory not readable).
*/
typedef bool (*BacktraceMemoryReader)(void *result,
- VirtualAddress address,
+ unsigned long address,
unsigned int size,
void *extra);
typedef struct {
- /** Current PC. */
- VirtualAddress pc;
+ /* Current PC. */
+ unsigned long pc;
- /** Current stack pointer value. */
- VirtualAddress sp;
+ /* Current stack pointer value. */
+ unsigned long sp;
- /** Current frame pointer value (i.e. caller's stack pointer) */
- VirtualAddress fp;
+ /* Current frame pointer value (i.e. caller's stack pointer) */
+ unsigned long fp;
- /** Internal use only: caller's PC for first frame. */
- VirtualAddress initial_frame_caller_pc;
+ /* Internal use only: caller's PC for first frame. */
+ unsigned long initial_frame_caller_pc;
- /** Internal use only: callback to read memory. */
+ /* Internal use only: callback to read memory. */
BacktraceMemoryReader read_memory_func;
- /** Internal use only: arbitrary argument to read_memory_func. */
+ /* Internal use only: arbitrary argument to read_memory_func. */
void *read_memory_func_extra;
} BacktraceIterator;
-/** Initializes a backtracer to start from the given location.
- *
- * If the frame pointer cannot be determined it is set to -1.
- *
- * @param state The state to be filled in.
- * @param read_memory_func A callback that reads memory. If NULL, a default
- * value is provided.
- * @param read_memory_func_extra An arbitrary argument to read_memory_func.
- * @param pc The current PC.
- * @param lr The current value of the 'lr' register.
- * @param sp The current value of the 'sp' register.
- * @param r52 The current value of the 'r52' register.
- */
-extern void backtrace_init(BacktraceIterator *state,
- BacktraceMemoryReader read_memory_func,
- void *read_memory_func_extra,
- VirtualAddress pc, VirtualAddress lr,
- VirtualAddress sp, VirtualAddress r52);
-
-
-/** Advances the backtracing state to the calling frame, returning
- * true iff successful.
- */
-extern bool backtrace_next(BacktraceIterator *state);
-
-
typedef enum {
/* We have no idea what the caller's pc is. */
@@ -138,7 +99,7 @@ enum {
};
-/** Internal constants used to define 'info' operands. */
+/* Internal constants used to define 'info' operands. */
enum {
/* 0 and 1 are reserved, as are all negative numbers. */
@@ -147,13 +108,10 @@ enum {
CALLER_SP_IN_R52_BASE = 4,
CALLER_SP_OFFSET_BASE = 8,
-
- /* Marks the entry point of certain functions. */
- ENTRY_POINT_INFO_OP = 16
};
-/** Current backtracer state describing where it thinks the caller is. */
+/* Current backtracer state describing where it thinks the caller is. */
typedef struct {
/*
* Public fields
@@ -192,7 +150,13 @@ typedef struct {
} CallerLocation;
+extern void backtrace_init(BacktraceIterator *state,
+ BacktraceMemoryReader read_memory_func,
+ void *read_memory_func_extra,
+ unsigned long pc, unsigned long lr,
+ unsigned long sp, unsigned long r52);
+extern bool backtrace_next(BacktraceIterator *state);
-#endif /* _TILE_BACKTRACE_H */
+#endif /* _ASM_TILE_BACKTRACE_H */