115 lines
2.8 KiB
C
115 lines
2.8 KiB
C
#ifndef _MELIS_KALLSYMS_H
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#define _MELIS_KALLSYMS_H
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#include <util.h>
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#include <errno.h>
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#include <init.h>
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#include <log.h>
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#ifdef CONFIG_ARM
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#define BITS_PER_LONG 32
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#else
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#ifdef CONFIG_RV32
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#define BITS_PER_LONG 32
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#else
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#define BITS_PER_LONG 64
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#endif
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#endif
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#define KSYM_NAME_LEN 128
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#define KSYM_SYMBOL_LEN (sizeof("%s+%#lx/%#lx [%s]") + (KSYM_NAME_LEN - 1) + \
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2*(BITS_PER_LONG*3/10) + 1)
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#ifdef CONFIG_KALLSYMS
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/* Lookup the address for a symbol. Returns 0 if not found. */
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unsigned long kallsyms_lookup_name(const char *name);
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/* Call a function on each kallsyms symbol in the core kernel */
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int kallsyms_on_each_symbol(int (*fn)(void *, const char *, unsigned long),
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void *data);
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extern int kallsyms_lookup_size_offset(unsigned long addr,
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unsigned long *symbolsize,
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unsigned long *offset);
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const char *kallsyms_lookup(unsigned long addr,
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unsigned long *symbolsize,
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unsigned long *offset,
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char *namebuf);
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/* Look up a kernel symbol and return it in a text buffer. */
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extern int sprint_symbol(char *buffer, unsigned long address);
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extern int sprint_symbol_no_offset(char *buffer, unsigned long address);
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extern int sprint_backtrace(char *buffer, unsigned long address);
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/* Look up a kernel symbol and print it to the kernel messages. */
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extern void __print_symbol(const char *fmt, unsigned long address);
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int lookup_symbol_name(unsigned long addr, char *symname);
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int lookup_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *name);
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#else /* !CONFIG_KALLSYMS */
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static inline unsigned long kallsyms_lookup_name(const char *name)
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{
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return 0;
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}
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static inline int kallsyms_on_each_symbol(int (*fn)(void *, const char *, unsigned long),
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void *data)
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{
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return 0;
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}
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static inline int kallsyms_lookup_size_offset(unsigned long addr,
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unsigned long *symbolsize,
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unsigned long *offset)
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{
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return 0;
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}
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static inline const char *kallsyms_lookup(unsigned long addr,
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unsigned long *symbolsize,
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unsigned long *offset,
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char *namebuf)
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{
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return NULL;
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}
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static inline int sprint_symbol(char *buffer, unsigned long addr)
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{
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*buffer = '\0';
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return 0;
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}
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static inline int sprint_symbol_no_offset(char *buffer, unsigned long addr)
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{
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*buffer = '\0';
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return 0;
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}
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static inline int sprint_backtrace(char *buffer, unsigned long addr)
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{
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*buffer = '\0';
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return 0;
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}
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static inline int lookup_symbol_name(unsigned long addr, char *symname)
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{
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return -ERANGE;
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}
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static inline int lookup_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *name)
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{
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return -ERANGE;
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}
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/* Stupid that this does nothing, but I didn't create this mess. */
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#define __print_symbol(fmt, addr)
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#endif /*CONFIG_KALLSYMS*/
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void print_symbol(const char *fmt, unsigned long addr);
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void print_ip_sym(unsigned long ip);
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#endif /*_MELIS_KALLSYMS_H*/
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