int resolution;
};
+/* An object's section. */
+
+struct ld_plugin_section
+{
+ const void* handle;
+ unsigned int shndx;
+};
+
/* Whether the symbol is a definition, reference, or common, weak or not. */
enum ld_plugin_symbol_kind
LDPR_RESOLVED_EXEC,
/* This symbol was resolved by a definition in a shared object. */
- LDPR_RESOLVED_DYN
+ LDPR_RESOLVED_DYN,
+
+ /* This is the prevailing definition of the symbol, with no
+ references from regular objects. It is only referenced from IR
+ code, but the symbol is exported and may be referenced from
+ a dynamic object (not seen at link time). */
+ LDPR_PREVAILING_DEF_IRONLY_EXP
};
/* The plugin library's "claim file" handler. */
enum ld_plugin_status
(*ld_plugin_message) (int level, const char *format, ...);
+/* The linker's interface for retrieving the number of sections in an object.
+ The handle is obtained in the claim_file handler. This interface should
+ only be invoked in the claim_file handler. This function sets *COUNT to
+ the number of sections in the object. */
+
+typedef
+enum ld_plugin_status
+(*ld_plugin_get_input_section_count) (const void* handle, unsigned int *count);
+
+/* The linker's interface for retrieving the section type of a specific
+ section in an object. This interface should only be invoked in the
+ claim_file handler. This function sets *TYPE to an ELF SHT_xxx value. */
+
+typedef
+enum ld_plugin_status
+(*ld_plugin_get_input_section_type) (const struct ld_plugin_section section,
+ unsigned int *type);
+
+/* The linker's interface for retrieving the name of a specific section in
+ an object. This interface should only be invoked in the claim_file handler.
+ This function sets *SECTION_NAME_PTR to a null-terminated buffer allocated
+ by malloc. The plugin must free *SECTION_NAME_PTR. */
+
+typedef
+enum ld_plugin_status
+(*ld_plugin_get_input_section_name) (const struct ld_plugin_section section,
+ char **section_name_ptr);
+
+/* The linker's interface for retrieving the contents of a specific section
+ in an object. This interface should only be invoked in the claim_file
+ handler. This function sets *SECTION_CONTENTS to point to a buffer that is
+ valid until clam_file handler returns. It sets *LEN to the size of the
+ buffer. */
+
+typedef
+enum ld_plugin_status
+(*ld_plugin_get_input_section_contents) (const struct ld_plugin_section section,
+ const unsigned char **section_contents,
+ size_t* len);
+
+/* The linker's interface for specifying the desired order of sections.
+ The sections should be specifed using the array SECTION_LIST in the
+ order in which they should appear in the final layout. NUM_SECTIONS
+ specifies the number of entries in each array. This should be invoked
+ in the all_symbols_read handler. */
+
+typedef
+enum ld_plugin_status
+(*ld_plugin_update_section_order) (const struct ld_plugin_section *section_list,
+ unsigned int num_sections);
+
+/* The linker's interface for specifying that reordering of sections is
+ desired so that the linker can prepare for it. This should be invoked
+ before update_section_order, preferably in the claim_file handler. */
+
+typedef
+enum ld_plugin_status
+(*ld_plugin_allow_section_ordering) (void);
+
enum ld_plugin_level
{
LDPL_INFO,
LDPT_OUTPUT_NAME,
LDPT_SET_EXTRA_LIBRARY_PATH,
LDPT_GNU_LD_VERSION,
- LDPT_GET_VIEW
+ LDPT_GET_VIEW,
+ LDPT_GET_INPUT_SECTION_COUNT,
+ LDPT_GET_INPUT_SECTION_TYPE,
+ LDPT_GET_INPUT_SECTION_NAME,
+ LDPT_GET_INPUT_SECTION_CONTENTS,
+ LDPT_UPDATE_SECTION_ORDER,
+ LDPT_ALLOW_SECTION_ORDERING,
+ LDPT_GET_SYMBOLS_V2
};
/* The plugin transfer vector. */
ld_plugin_release_input_file tv_release_input_file;
ld_plugin_add_input_library tv_add_input_library;
ld_plugin_set_extra_library_path tv_set_extra_library_path;
+ ld_plugin_get_input_section_count tv_get_input_section_count;
+ ld_plugin_get_input_section_type tv_get_input_section_type;
+ ld_plugin_get_input_section_name tv_get_input_section_name;
+ ld_plugin_get_input_section_contents tv_get_input_section_contents;
+ ld_plugin_update_section_order tv_update_section_order;
+ ld_plugin_allow_section_ordering tv_allow_section_ordering;
} tv_u;
};