backtrace_internal.h

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#ifndef __LIBDRAGON_BACKTRACE_INTERNAL_H
#define __LIBDRAGON_BACKTRACE_INTERNAL_H
 
typedef enum {
    BT_FUNCTION,                
    BT_FUNCTION_FRAMEPOINTER,   
    BT_EXCEPTION,               
    BT_LEAF                     
} bt_func_type;
 
typedef struct {
    bt_func_type type;       
    int stack_size;          
    int ra_offset;           
    int fp_offset;           
} bt_func_t;
 
bool __bt_analyze_func(bt_func_t *func, uint32_t *ptr, uint32_t func_start, bool from_exception);
 
int __backtrace_from(void **buffer, int size, uint32_t *pc, uint32_t *sp, uint32_t *fp, uint32_t *exception_ra);
 
char* __symbolize(void *vaddr, char *buf, int size);
 
#endif