lto.h File Reference (original) (raw)

#include "[llvm-c/ExternC.h](ExternC%5F8h%5Fsource.html)"
#include <stddef.h>
#include <sys/types.h>
#include <stdbool.h>

Go to the source code of this file.

Typedefs
typedef bool	lto_bool_t
typedef struct LLVMOpaqueLTOModule *	lto_module_t
	opaque reference to a loaded object module
typedef struct LLVMOpaqueLTOCodeGenerator *	lto_code_gen_t
	opaque reference to a code generator
typedef struct LLVMOpaqueThinLTOCodeGenerator *	thinlto_code_gen_t
	opaque reference to a thin code generator
typedef void(*	lto_diagnostic_handler_t) (lto_codegen_diagnostic_severity_t severity, const char diag, void ctxt)
	Diagnostic handler type.
typedef struct LLVMOpaqueLTOInput *	lto_input_t
	Opaque reference to an LTO input file.

Enumerations
enum	lto_symbol_attributes { LTO_SYMBOL_ALIGNMENT_MASK = 0x0000001F , LTO_SYMBOL_PERMISSIONS_MASK = 0x000000E0 , LTO_SYMBOL_PERMISSIONS_CODE = 0x000000A0 , LTO_SYMBOL_PERMISSIONS_DATA = 0x000000C0 , LTO_SYMBOL_PERMISSIONS_RODATA = 0x00000080 , LTO_SYMBOL_DEFINITION_MASK = 0x00000700 , LTO_SYMBOL_DEFINITION_REGULAR = 0x00000100 , LTO_SYMBOL_DEFINITION_TENTATIVE = 0x00000200 , LTO_SYMBOL_DEFINITION_WEAK = 0x00000300 , LTO_SYMBOL_DEFINITION_UNDEFINED = 0x00000400 , LTO_SYMBOL_DEFINITION_WEAKUNDEF = 0x00000500 , LTO_SYMBOL_SCOPE_MASK = 0x00003800 , LTO_SYMBOL_SCOPE_INTERNAL = 0x00000800 , LTO_SYMBOL_SCOPE_HIDDEN = 0x00001000 , LTO_SYMBOL_SCOPE_PROTECTED = 0x00002000 , LTO_SYMBOL_SCOPE_DEFAULT = 0x00001800 , LTO_SYMBOL_SCOPE_DEFAULT_CAN_BE_HIDDEN = 0x00002800 , LTO_SYMBOL_COMDAT = 0x00004000 , LTO_SYMBOL_ALIAS = 0x00008000 }
enum	lto_debug_model { LTO_DEBUG_MODEL_NONE = 0 , LTO_DEBUG_MODEL_DWARF = 1 }
enum	lto_codegen_model { LTO_CODEGEN_PIC_MODEL_STATIC = 0 , LTO_CODEGEN_PIC_MODEL_DYNAMIC = 1 , LTO_CODEGEN_PIC_MODEL_DYNAMIC_NO_PIC = 2 , LTO_CODEGEN_PIC_MODEL_DEFAULT = 3 }
enum	lto_codegen_diagnostic_severity_t { LTO_DS_ERROR = 0 , LTO_DS_WARNING = 1 , LTO_DS_REMARK = 3 , LTO_DS_NOTE = 2 }
	Diagnostic severity. More...

Functions
LLVM_C_EXTERN_C_BEGIN const char *	lto_get_version (void)
	Returns a printable string.
const char *	lto_get_error_message (void)
	Returns the last error string or NULL if last operation was successful.
lto_bool_t	lto_module_is_object_file (const char *path)
	Checks if a file is a loadable object file.
lto_bool_t	lto_module_is_object_file_for_target (const char path, const char target_triple_prefix)
	Checks if a file is a loadable object compiled for requested target.
lto_bool_t	lto_module_has_objc_category (const void *mem, size_t length)
	Return true if Buffer contains a bitcode file with ObjC code (category or class) in it.
lto_bool_t	lto_module_is_object_file_in_memory (const void *mem, size_t length)
	Checks if a buffer is a loadable object file.
lto_bool_t	lto_module_is_object_file_in_memory_for_target (const void mem, size_t length, const char target_triple_prefix)
	Checks if a buffer is a loadable object compiled for requested target.
lto_module_t	lto_module_create (const char *path)
	Loads an object file from disk.
lto_module_t	lto_module_create_from_memory (const void *mem, size_t length)
	Loads an object file from memory.
lto_module_t	lto_module_create_from_memory_with_path (const void mem, size_t length, const char path)
	Loads an object file from memory with an extra path argument.
lto_module_t	lto_module_create_in_local_context (const void mem, size_t length, const char path)
	Loads an object file in its own context.
lto_module_t	lto_module_create_in_codegen_context (const void mem, size_t length, const char path, lto_code_gen_t cg)
	Loads an object file in the codegen context.
lto_module_t	lto_module_create_from_fd (int fd, const char *path, size_t file_size)
	Loads an object file from disk.
lto_module_t	lto_module_create_from_fd_at_offset (int fd, const char *path, size_t file_size, size_t map_size, off_t offset)
	Loads an object file from disk.
void	lto_module_dispose (lto_module_t mod)
	Frees all memory internally allocated by the module.
const char *	lto_module_get_target_triple (lto_module_t mod)
	Returns triple string which the object module was compiled under.
void	lto_module_set_target_triple (lto_module_t mod, const char *triple)
	Sets triple string with which the object will be codegened.
unsigned int	lto_module_get_num_symbols (lto_module_t mod)
	Returns the number of symbols in the object module.
const char *	lto_module_get_symbol_name (lto_module_t mod, unsigned int index)
	Returns the name of the ith symbol in the object module.
lto_symbol_attributes	lto_module_get_symbol_attribute (lto_module_t mod, unsigned int index)
	Returns the attributes of the ith symbol in the object module.
unsigned int	lto_module_get_num_asm_undef_symbols (lto_module_t mod)
	Returns the number of asm undefined symbols in the object module.
const char *	lto_module_get_asm_undef_symbol_name (lto_module_t mod, unsigned int index)
	Returns the name of the ith asm undefined symbol in the object module.
const char *	lto_module_get_linkeropts (lto_module_t mod)
	Returns the module's linker options.
lto_bool_t	lto_module_get_macho_cputype (lto_module_t mod, unsigned int out_cputype, unsigned int out_cpusubtype)
	If targeting mach-o on darwin, this function gets the CPU type and subtype that will end up being encoded in the mach-o header.
lto_bool_t	lto_module_has_ctor_dtor (lto_module_t mod)
	This function can be used by the linker to check if a given module has any constructor or destructor functions.
void	lto_codegen_set_diagnostic_handler (lto_code_gen_t, lto_diagnostic_handler_t, void *)
	Set a diagnostic handler and the related context (void *).
lto_code_gen_t	lto_codegen_create (void)
	Instantiates a code generator.
lto_code_gen_t	lto_codegen_create_in_local_context (void)
	Instantiate a code generator in its own context.
void	lto_codegen_dispose (lto_code_gen_t)
	Frees all code generator and all memory it internally allocated.
lto_bool_t	lto_codegen_add_module (lto_code_gen_t cg, lto_module_t mod)
	Add an object module to the set of modules for which code will be generated.
void	lto_codegen_set_module (lto_code_gen_t cg, lto_module_t mod)
	Sets the object module for code generation.
lto_bool_t	lto_codegen_set_debug_model (lto_code_gen_t cg, lto_debug_model)
	Sets if debug info should be generated.
lto_bool_t	lto_codegen_set_pic_model (lto_code_gen_t cg, lto_codegen_model)
	Sets which PIC code model to generated.
void	lto_codegen_set_cpu (lto_code_gen_t cg, const char *cpu)
	Sets the cpu to generate code for.
void	lto_codegen_set_assembler_path (lto_code_gen_t cg, const char *path)
	Sets the location of the assembler tool to run.
void	lto_codegen_set_assembler_args (lto_code_gen_t cg, const char **args, int nargs)
	Sets extra arguments that libLTO should pass to the assembler.
void	lto_codegen_add_must_preserve_symbol (lto_code_gen_t cg, const char *symbol)
	Adds to a list of all global symbols that must exist in the final generated code.
lto_bool_t	lto_codegen_write_merged_modules (lto_code_gen_t cg, const char *path)
	Writes a new object file at the specified path that contains the merged contents of all modules added so far.
const void *	lto_codegen_compile (lto_code_gen_t cg, size_t *length)
	Generates code for all added modules into one native object file.
lto_bool_t	lto_codegen_compile_to_file (lto_code_gen_t cg, const char **name)
	Generates code for all added modules into one native object file.
lto_bool_t	lto_codegen_optimize (lto_code_gen_t cg)
	Runs optimization for the merged module.
const void *	lto_codegen_compile_optimized (lto_code_gen_t cg, size_t *length)
	Generates code for the optimized merged module into one native object file.
unsigned int	lto_api_version (void)
	Returns the runtime API version.
void	lto_set_debug_options (const char const options, int number)
	Parses options immediately, making them available as early as possible.
void	lto_codegen_debug_options (lto_code_gen_t cg, const char *)
	Sets options to help debug codegen bugs.
void	lto_codegen_debug_options_array (lto_code_gen_t cg, const char const , int number)
	Same as the previous function, but takes every option separately through an array.
void	lto_initialize_disassembler (void)
	Initializes LLVM disassemblers.
void	lto_codegen_set_should_internalize (lto_code_gen_t cg, lto_bool_t ShouldInternalize)
	Sets if we should run internalize pass during optimization and code generation.
void	lto_codegen_set_should_embed_uselists (lto_code_gen_t cg, lto_bool_t ShouldEmbedUselists)
	Set whether to embed uselists in bitcode.
lto_input_t	lto_input_create (const void buffer, size_t buffer_size, const char path)
	Creates an LTO input file from a buffer.
void	lto_input_dispose (lto_input_t input)
	Frees all memory internally allocated by the LTO input file.
unsigned	lto_input_get_num_dependent_libraries (lto_input_t input)
	Returns the number of dependent library specifiers for the given LTO input file.
const char *	lto_input_get_dependent_library (lto_input_t input, size_t index, size_t *size)
	Returns the ith dependent library specifier for the given LTO input file.
const char const	lto_runtime_lib_symbols_list (size_t *size)
	Returns the list of libcall symbols that can be generated by LTO that might not be visible from the symbol table of bitcode files.
thinlto_code_gen_t	thinlto_create_codegen (void)
	Instantiates a ThinLTO code generator.
void	thinlto_codegen_dispose (thinlto_code_gen_t cg)
	Frees the generator and all memory it internally allocated.
void	thinlto_codegen_add_module (thinlto_code_gen_t cg, const char identifier, const char data, int length)
	Add a module to a ThinLTO code generator.
void	thinlto_codegen_process (thinlto_code_gen_t cg)
	Optimize and codegen all the modules added to the codegenerator using ThinLTO.
unsigned int	thinlto_module_get_num_objects (thinlto_code_gen_t cg)
	Returns the number of object files produced by the ThinLTO CodeGenerator.
LTOObjectBuffer	thinlto_module_get_object (thinlto_code_gen_t cg, unsigned int index)
	Returns a reference to the ith object file produced by the ThinLTO CodeGenerator.
unsigned int	thinlto_module_get_num_object_files (thinlto_code_gen_t cg)
	Returns the number of object files produced by the ThinLTO CodeGenerator.
const char *	thinlto_module_get_object_file (thinlto_code_gen_t cg, unsigned int index)
	Returns the path to the ith object file produced by the ThinLTO CodeGenerator.
lto_bool_t	thinlto_codegen_set_pic_model (thinlto_code_gen_t cg, lto_codegen_model)
	Sets which PIC code model to generate.
void	thinlto_codegen_set_savetemps_dir (thinlto_code_gen_t cg, const char *save_temps_dir)
	Sets the path to a directory to use as a storage for temporary bitcode files.
void	thinlto_set_generated_objects_dir (thinlto_code_gen_t cg, const char *save_temps_dir)
	Set the path to a directory where to save generated object files.
void	thinlto_codegen_set_cpu (thinlto_code_gen_t cg, const char *cpu)
	Sets the cpu to generate code for.
void	thinlto_codegen_disable_codegen (thinlto_code_gen_t cg, lto_bool_t disable)
	Disable CodeGen, only run the stages till codegen and stop.
void	thinlto_codegen_set_codegen_only (thinlto_code_gen_t cg, lto_bool_t codegen_only)
	Perform CodeGen only: disable all other stages.
void	thinlto_debug_options (const char const options, int number)
	Parse -mllvm style debug options.
lto_bool_t	lto_module_is_thinlto (lto_module_t mod)
	Test if a module has support for ThinLTO linking.
void	thinlto_codegen_add_must_preserve_symbol (thinlto_code_gen_t cg, const char *name, int length)
	Adds a symbol to the list of global symbols that must exist in the final generated code.
void	thinlto_codegen_add_cross_referenced_symbol (thinlto_code_gen_t cg, const char *name, int length)
	Adds a symbol to the list of global symbols that are cross-referenced between ThinLTO files.
void	thinlto_codegen_set_cache_dir (thinlto_code_gen_t cg, const char *cache_dir)
	Sets the path to a directory to use as a cache storage for incremental build.
void	thinlto_codegen_set_cache_pruning_interval (thinlto_code_gen_t cg, int interval)
	Sets the cache pruning interval (in seconds).
void	thinlto_codegen_set_final_cache_size_relative_to_available_space (thinlto_code_gen_t cg, unsigned percentage)
	Sets the maximum cache size that can be persistent across build, in terms of percentage of the available space on the disk.
void	thinlto_codegen_set_cache_entry_expiration (thinlto_code_gen_t cg, unsigned expiration)
	Sets the expiration (in seconds) for an entry in the cache.
void	thinlto_codegen_set_cache_size_bytes (thinlto_code_gen_t cg, unsigned max_size_bytes)
	Sets the maximum size of the cache directory (in bytes).
void	thinlto_codegen_set_cache_size_megabytes (thinlto_code_gen_t cg, unsigned max_size_megabytes)
	Same as thinlto_codegen_set_cache_size_bytes, except the maximum size is in megabytes (2^20 bytes).
void	thinlto_codegen_set_cache_size_files (thinlto_code_gen_t cg, unsigned max_size_files)
	Sets the maximum number of files in the cache directory.

◆ lto_bool_t

Definition at line 31 of file lto.h.