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2012011-07-13 Sriraman Tallam <tmsriram@google.com>

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* plugin-api.h
	(ld_plugin_section): New struct.
	(ld_plugin_get_section_count): New typedef.
	(ld_plugin_get_section_type): New typedef.
	(ld_plugin_get_section_name): New typedef.
	(ld_plugin_get_section_contents): New typedef.
	(ld_plugin_update_section_order): New typedef.
	(ld_plugin_allow_section_ordering): New typedef.
	(LDPT_GET_SECTION_COUNT): New enum value.
	(LDPT_GET_SECTION_TYPE): New enum value.
	(LDPT_GET_SECTION_NAME): New enum value.
	(LDPT_GET_SECTION_CONTENTS): New enum value.
	(LDPT_UPDATE_SECTION_ORDER): New enum value.
	(LDPT_ALLOW_SECTION_ORDERING): New enum value.
	(tv_get_section_count): New struct members.
	(tv_get_section_type): New struct members.
	(tv_get_section_name): New struct members.
	(tv_get_section_contents): New struct members.
	(tv_update_section_order): New struct members.
	(tv_allow_section_ordering): New struct members.

From-SVN: r176260
This commit is contained in:
Sriraman Tallam 2011-07-14 01:44:11 +00:00 • committed by Sriraman Tallam
parent 6cd6962911
commit 8ff3369c78
2 changed files with 103 additions and 1 deletions
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23
include/ChangeLog
View file

@ -1,3 +1,26 @@
2011-07-13 Sriraman Tallam <tmsriram@google.com>
* plugin-api.h
(ld_plugin_section): New struct.
(ld_plugin_get_section_count): New typedef.
(ld_plugin_get_section_type): New typedef.
(ld_plugin_get_section_name): New typedef.
(ld_plugin_get_section_contents): New typedef.
(ld_plugin_update_section_order): New typedef.
(ld_plugin_allow_section_ordering): New typedef.
(LDPT_GET_SECTION_COUNT): New enum value.
(LDPT_GET_SECTION_TYPE): New enum value.
(LDPT_GET_SECTION_NAME): New enum value.
(LDPT_GET_SECTION_CONTENTS): New enum value.
(LDPT_UPDATE_SECTION_ORDER): New enum value.
(LDPT_ALLOW_SECTION_ORDERING): New enum value.
(tv_get_section_count): New struct members.
(tv_get_section_type): New struct members.
(tv_get_section_name): New struct members.
(tv_get_section_contents): New struct members.
(tv_update_section_order): New struct members.
(tv_allow_section_ordering): New struct members.
2011-07-01 Joel Brobecker <brobecker@adacore.com>
* filenames.h (HAVE_CASE_INSENSITIVE_FILE_SYSTEM): Define

81
include/plugin-api.h
View file

@ -93,6 +93,14 @@ struct ld_plugin_symbol
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
@ -244,6 +252,65 @@ typedef
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,
@ -274,7 +341,13 @@ enum ld_plugin_tag
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
};
/* The plugin transfer vector. */
@ -298,6 +371,12 @@ struct ld_plugin_tv
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;
};