69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
#ifndef _PROBE_FINDER_H
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#define _PROBE_FINDER_H
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#define _stringify(n) #n
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#define stringify(n) _stringify(n)
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#ifdef DEBUG
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#define debug(fmt ...) \
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fprintf(stderr, "DBG(" __FILE__ ":" stringify(__LINE__) "): " fmt)
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#else
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#define debug(fmt ...) do {} while (0)
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#endif
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#define ERR_IF(cnd) \
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do { if (cnd) { \
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fprintf(stderr, "Error (" __FILE__ ":" stringify(__LINE__) \
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"): " stringify(cnd) "\n"); \
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exit(1); \
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} } while (0)
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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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/* 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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/* 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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extern int find_probepoint(int fd, struct probe_point *pp);
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#include <libdwarf/dwarf.h>
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#include <libdwarf/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_Off inl_offs; /* Inline offset */
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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 /*_PROBE_FINDER_H */
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