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Diffstat (limited to 'tools/perf/util/dwarf-aux.h')
-rw-r--r--tools/perf/util/dwarf-aux.h41
1 files changed, 37 insertions, 4 deletions
diff --git a/tools/perf/util/dwarf-aux.h b/tools/perf/util/dwarf-aux.h
index 85dd527ae1f7..24446412b869 100644
--- a/tools/perf/util/dwarf-aux.h
+++ b/tools/perf/util/dwarf-aux.h
@@ -94,6 +94,10 @@ Dwarf_Die *die_find_top_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr,
Dwarf_Die *die_find_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr,
Dwarf_Die *die_mem);
+/* Search a non-inlined function by name and returns its return type */
+Dwarf_Die *die_find_func_rettype(Dwarf_Die *sp_die, const char *name,
+ Dwarf_Die *die_mem);
+
/* Walk on the instances of given DIE */
int die_walk_instances(Dwarf_Die *in_die,
int (*callback)(Dwarf_Die *, void *), void *data);
@@ -135,6 +139,21 @@ void die_skip_prologue(Dwarf_Die *sp_die, Dwarf_Die *cu_die,
/* Get the list of including scopes */
int die_get_scopes(Dwarf_Die *cu_die, Dwarf_Addr pc, Dwarf_Die **scopes);
+/* Variable type information */
+struct die_var_type {
+ struct die_var_type *next;
+ u64 die_off;
+ u64 addr;
+ int reg;
+ int offset;
+};
+
+/* Return type info of a member at offset */
+Dwarf_Die *die_get_member_type(Dwarf_Die *type_die, int offset, Dwarf_Die *die_mem);
+
+/* Return type info where the pointer and offset point to */
+Dwarf_Die *die_deref_ptr_type(Dwarf_Die *ptr_die, int offset, Dwarf_Die *die_mem);
+
#ifdef HAVE_DWARF_GETLOCATIONS_SUPPORT
/* Get byte offset range of given variable DIE */
@@ -146,9 +165,14 @@ Dwarf_Die *die_find_variable_by_reg(Dwarf_Die *sc_die, Dwarf_Addr pc, int reg,
Dwarf_Die *die_mem);
/* Find a (global) variable located in the 'addr' */
-Dwarf_Die *die_find_variable_by_addr(Dwarf_Die *sc_die, Dwarf_Addr pc,
- Dwarf_Addr addr, Dwarf_Die *die_mem,
- int *offset);
+Dwarf_Die *die_find_variable_by_addr(Dwarf_Die *sc_die, Dwarf_Addr addr,
+ Dwarf_Die *die_mem, int *offset);
+
+/* Save all variables and parameters in this scope */
+void die_collect_vars(Dwarf_Die *sc_die, struct die_var_type **var_types);
+
+/* Save all global variables in this CU */
+void die_collect_global_vars(Dwarf_Die *cu_die, struct die_var_type **var_types);
#else /* HAVE_DWARF_GETLOCATIONS_SUPPORT */
@@ -170,7 +194,6 @@ static inline Dwarf_Die *die_find_variable_by_reg(Dwarf_Die *sc_die __maybe_unus
}
static inline Dwarf_Die *die_find_variable_by_addr(Dwarf_Die *sc_die __maybe_unused,
- Dwarf_Addr pc __maybe_unused,
Dwarf_Addr addr __maybe_unused,
Dwarf_Die *die_mem __maybe_unused,
int *offset __maybe_unused)
@@ -178,6 +201,16 @@ static inline Dwarf_Die *die_find_variable_by_addr(Dwarf_Die *sc_die __maybe_unu
return NULL;
}
+static inline void die_collect_vars(Dwarf_Die *sc_die __maybe_unused,
+ struct die_var_type **var_types __maybe_unused)
+{
+}
+
+static inline void die_collect_global_vars(Dwarf_Die *cu_die __maybe_unused,
+ struct die_var_type **var_types __maybe_unused)
+{
+}
+
#endif /* HAVE_DWARF_GETLOCATIONS_SUPPORT */
#ifdef HAVE_DWARF_CFI_SUPPORT