mirror of https://gitee.com/openkylin/linux.git
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
#ifndef _PROBE_FINDER_H
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#define _PROBE_FINDER_H
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#define MAX_PATH_LEN 256
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#define MAX_PROBE_BUFFER 1024
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#define MAX_PROBES 128
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static inline int is_c_varname(const char *name)
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{
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/* TODO */
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return isalpha(name[0]) || name[0] == '_';
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}
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struct probe_point {
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char *event; /* Event name */
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char *group; /* Event group */
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/* Inputs */
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char *file; /* File name */
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int line; /* Line number */
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char *function; /* Function name */
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int offset; /* Offset bytes */
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int nr_args; /* Number of arguments */
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char **args; /* Arguments */
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int retprobe; /* Return probe */
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/* Output */
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int found; /* Number of found probe points */
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char *probes[MAX_PROBES]; /* Output buffers (will be allocated)*/
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};
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#ifndef NO_LIBDWARF
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extern int find_probepoint(int fd, struct probe_point *pp);
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/* Workaround for undefined _MIPS_SZLONG bug in libdwarf.h: */
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#ifndef _MIPS_SZLONG
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# define _MIPS_SZLONG 0
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#endif
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#include <dwarf.h>
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#include <libdwarf.h>
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struct probe_finder {
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struct probe_point *pp; /* Target probe point */
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/* For function searching */
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Dwarf_Addr addr; /* Address */
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Dwarf_Unsigned fno; /* File number */
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Dwarf_Unsigned lno; /* Line number */
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Dwarf_Off inl_offs; /* Inline offset */
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Dwarf_Die cu_die; /* Current CU */
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/* For variable searching */
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Dwarf_Addr cu_base; /* Current CU base address */
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Dwarf_Locdesc fbloc; /* Location of Current Frame Base */
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const char *var; /* Current variable name */
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char *buf; /* Current output buffer */
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int len; /* Length of output buffer */
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};
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#endif /* NO_LIBDWARF */
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#endif /*_PROBE_FINDER_H */
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