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Diffstat (limited to 'tools/perf/util/dso.h')
-rw-r--r--tools/perf/util/dso.h49
1 files changed, 46 insertions, 3 deletions
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index ced92841ff97..e0901b4ed8de 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -60,6 +60,31 @@ enum dso_type {
 	DSO__TYPE_X32BIT,
 };
 
+enum dso_load_errno {
+	DSO_LOAD_ERRNO__SUCCESS		= 0,
+
+	/*
+	 * Choose an arbitrary negative big number not to clash with standard
+	 * errno since SUS requires the errno has distinct positive values.
+	 * See 'Issue 6' in the link below.
+	 *
+	 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
+	 */
+	__DSO_LOAD_ERRNO__START		= -10000,
+
+	DSO_LOAD_ERRNO__INTERNAL_ERROR	= __DSO_LOAD_ERRNO__START,
+
+	/* for symsrc__init() */
+	DSO_LOAD_ERRNO__INVALID_ELF,
+	DSO_LOAD_ERRNO__CANNOT_READ_BUILDID,
+	DSO_LOAD_ERRNO__MISMATCHING_BUILDID,
+
+	/* for decompress_kmodule */
+	DSO_LOAD_ERRNO__DECOMPRESSION_FAILURE,
+
+	__DSO_LOAD_ERRNO__END,
+};
+
 #define DSO__SWAP(dso, type, val)			\
 ({							\
 	type ____r = val;				\
@@ -113,6 +138,7 @@ struct dso {
 	enum dso_swap_type	needs_swap;
 	enum dso_binary_type	symtab_type;
 	enum dso_binary_type	binary_type;
+	enum dso_load_errno	load_errno;
 	u8		 adjust_symbols:1;
 	u8		 has_build_id:1;
 	u8		 has_srcline:1;
@@ -139,7 +165,8 @@ struct dso {
 		u32		 status_seen;
 		size_t		 file_size;
 		struct list_head open_entry;
-		u64		 frame_offset;
+		u64		 debug_frame_offset;
+		u64		 eh_frame_hdr_offset;
 	} data;
 
 	union { /* Tool specific area */
@@ -189,11 +216,24 @@ char dso__symtab_origin(const struct dso *dso);
 int dso__read_binary_type_filename(const struct dso *dso, enum dso_binary_type type,
 				   char *root_dir, char *filename, size_t size);
 bool is_supported_compression(const char *ext);
-bool is_kmodule_extension(const char *ext);
-bool is_kernel_module(const char *pathname, bool *compressed);
+bool is_kernel_module(const char *pathname);
 bool decompress_to_file(const char *ext, const char *filename, int output_fd);
 bool dso__needs_decompress(struct dso *dso);
 
+struct kmod_path {
+	char *name;
+	char *ext;
+	bool  comp;
+	bool  kmod;
+};
+
+int __kmod_path__parse(struct kmod_path *m, const char *path,
+		     bool alloc_name, bool alloc_ext);
+
+#define kmod_path__parse(__m, __p)      __kmod_path__parse(__m, __p, false, false)
+#define kmod_path__parse_name(__m, __p) __kmod_path__parse(__m, __p, true , false)
+#define kmod_path__parse_ext(__m, __p)  __kmod_path__parse(__m, __p, false, true)
+
 /*
  * The dso__data_* external interface provides following functions:
  *   dso__data_fd
@@ -249,6 +289,7 @@ struct dso *dso__kernel_findnew(struct machine *machine, const char *name,
 				const char *short_name, int dso_type);
 
 void dsos__add(struct dsos *dsos, struct dso *dso);
+struct dso *dsos__addnew(struct dsos *dsos, const char *name);
 struct dso *dsos__find(const struct dsos *dsos, const char *name,
 		       bool cmp_short);
 struct dso *__dsos__findnew(struct dsos *dsos, const char *name);
@@ -279,4 +320,6 @@ void dso__free_a2l(struct dso *dso);
 
 enum dso_type dso__type(struct dso *dso, struct machine *machine);
 
+int dso__strerror_load(struct dso *dso, char *buf, size_t buflen);
+
 #endif /* __PERF_DSO */