lto.h revision 6244b518880842f2c15200ee041e06799e4cc779
177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/*===-- llvm-c/lto.h - LTO Public C Interface ---------------------*- C -*-===*\ 277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik|* *| 377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik|* The LLVM Compiler Infrastructure *| 477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik|* *| 577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik|* This file is distributed under the University of Illinois Open Source *| 677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik|* License. See LICENSE.TXT for details. *| 777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik|* *| 877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik|*===----------------------------------------------------------------------===*| 977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik|* *| 1077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik|* This header provides public interface to an abstract link time optimization*| 1177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik|* library. LLVM provides an implementation of this interface for use with *| 1277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik|* llvm bitcode files. *| 1377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik|* *| 1477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik\*===----------------------------------------------------------------------===*/ 1577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 1677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik#ifndef LTO_H 1777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik#define LTO_H 1 1877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 1977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik#include <stdbool.h> 2077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik#include <stddef.h> 21b4cc031a3e1306fea74c9211d50c5cde6d9a8cd5Rafael Espindola#include <unistd.h> 2277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 236244b518880842f2c15200ee041e06799e4cc779Gregory Szorc/** 246244b518880842f2c15200ee041e06799e4cc779Gregory Szorc * @defgroup LLVMCLTO LTO 256244b518880842f2c15200ee041e06799e4cc779Gregory Szorc * @ingroup LLVMC 266244b518880842f2c15200ee041e06799e4cc779Gregory Szorc * 276244b518880842f2c15200ee041e06799e4cc779Gregory Szorc * @{ 286244b518880842f2c15200ee041e06799e4cc779Gregory Szorc */ 296244b518880842f2c15200ee041e06799e4cc779Gregory Szorc 307afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling#define LTO_API_VERSION 4 31cbad58624090933cb8fb85587e03be613a481309Nick Kledzik 3277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziktypedef enum { 337afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_ALIGNMENT_MASK = 0x0000001F, /* log2 of alignment */ 347afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_PERMISSIONS_MASK = 0x000000E0, 357afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_PERMISSIONS_CODE = 0x000000A0, 367afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_PERMISSIONS_DATA = 0x000000C0, 377afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_PERMISSIONS_RODATA = 0x00000080, 387afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_DEFINITION_MASK = 0x00000700, 397afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_DEFINITION_REGULAR = 0x00000100, 407afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_DEFINITION_TENTATIVE = 0x00000200, 417afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_DEFINITION_WEAK = 0x00000300, 427afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_DEFINITION_UNDEFINED = 0x00000400, 437afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_DEFINITION_WEAKUNDEF = 0x00000500, 447afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_SCOPE_MASK = 0x00003800, 457afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_SCOPE_INTERNAL = 0x00000800, 467afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_SCOPE_HIDDEN = 0x00001000, 477afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_SCOPE_PROTECTED = 0x00002000, 487afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_SCOPE_DEFAULT = 0x00001800, 497afea0cfc4abebaf4cadcc37acd30fb251a5faf3Bill Wendling LTO_SYMBOL_SCOPE_DEFAULT_CAN_BE_HIDDEN = 0x00002800 5077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik} lto_symbol_attributes; 5177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 5277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziktypedef enum { 5377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik LTO_DEBUG_MODEL_NONE = 0, 5477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik LTO_DEBUG_MODEL_DWARF = 1 5577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik} lto_debug_model; 5677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 5777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziktypedef enum { 5877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik LTO_CODEGEN_PIC_MODEL_STATIC = 0, 5977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik LTO_CODEGEN_PIC_MODEL_DYNAMIC = 1, 6077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik LTO_CODEGEN_PIC_MODEL_DYNAMIC_NO_PIC = 2 6177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik} lto_codegen_model; 6277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 6377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 6477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** opaque reference to a loaded object module */ 6577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziktypedef struct LTOModule* lto_module_t; 6677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 6777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** opaque reference to a code generator */ 6877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziktypedef struct LTOCodeGenerator* lto_code_gen_t; 6977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 7077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik#ifdef __cplusplus 7177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern "C" { 7277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik#endif 7377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 7477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 7577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Returns a printable string. 7677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 7777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern const char* 7816c1f44d91211a225497062ea508d58fd25085a9Gordon Henriksenlto_get_version(void); 7977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 8077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 8177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 827a2bdde0a0eebcd2125055e0eacaca040f0b766cChris Lattner * Returns the last error string or NULL if last operation was successful. 8377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 8477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern const char* 8516c1f44d91211a225497062ea508d58fd25085a9Gordon Henriksenlto_get_error_message(void); 8677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 8777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 8877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Checks if a file is a loadable object file. 8977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 9077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern bool 9177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziklto_module_is_object_file(const char* path); 9277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 9377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 9477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 9577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Checks if a file is a loadable object compiled for requested target. 9677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 9777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern bool 9877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziklto_module_is_object_file_for_target(const char* path, 99b454eabe7ff0824356ccdb75459a0312f43254c1Nick Lewycky const char* target_triple_prefix); 10077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 10177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 10277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 10377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Checks if a buffer is a loadable object file. 10477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 10577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern bool 10677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziklto_module_is_object_file_in_memory(const void* mem, size_t length); 10777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 10877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 10977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 11077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Checks if a buffer is a loadable object compiled for requested target. 11177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 11277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern bool 11377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziklto_module_is_object_file_in_memory_for_target(const void* mem, size_t length, 114ca3ca138d88139e24a8e60fef982436575a19f38Eric Christopher const char* target_triple_prefix); 11577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 11677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 11777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 11877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Loads an object file from disk. 11977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Returns NULL on error (check lto_get_error_message() for details). 12077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 12177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern lto_module_t 1220e7a54672cf346ee7c4aae10822c74f7c74f3fedOwen Andersonlto_module_create(const char* path); 12377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 12477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 12577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 12677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Loads an object file from memory. 12777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Returns NULL on error (check lto_get_error_message() for details). 12877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 12977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern lto_module_t 1300e7a54672cf346ee7c4aae10822c74f7c74f3fedOwen Andersonlto_module_create_from_memory(const void* mem, size_t length); 13177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 132b4cc031a3e1306fea74c9211d50c5cde6d9a8cd5Rafael Espindola/** 133b4cc031a3e1306fea74c9211d50c5cde6d9a8cd5Rafael Espindola * Loads an object file from disk. The seek point of fd is not preserved. 134b4cc031a3e1306fea74c9211d50c5cde6d9a8cd5Rafael Espindola * Returns NULL on error (check lto_get_error_message() for details). 135b4cc031a3e1306fea74c9211d50c5cde6d9a8cd5Rafael Espindola */ 136b4cc031a3e1306fea74c9211d50c5cde6d9a8cd5Rafael Espindolaextern lto_module_t 137f21b1058a194f411000bdd8000a8b675a7874056Rafael Espindolalto_module_create_from_fd(int fd, const char *path, size_t file_size); 138f21b1058a194f411000bdd8000a8b675a7874056Rafael Espindola 139f21b1058a194f411000bdd8000a8b675a7874056Rafael Espindola/** 140f21b1058a194f411000bdd8000a8b675a7874056Rafael Espindola * Loads an object file from disk. The seek point of fd is not preserved. 141f21b1058a194f411000bdd8000a8b675a7874056Rafael Espindola * Returns NULL on error (check lto_get_error_message() for details). 142f21b1058a194f411000bdd8000a8b675a7874056Rafael Espindola */ 143f21b1058a194f411000bdd8000a8b675a7874056Rafael Espindolaextern lto_module_t 144f21b1058a194f411000bdd8000a8b675a7874056Rafael Espindolalto_module_create_from_fd_at_offset(int fd, const char *path, size_t file_size, 145f21b1058a194f411000bdd8000a8b675a7874056Rafael Espindola size_t map_size, off_t offset); 146b4cc031a3e1306fea74c9211d50c5cde6d9a8cd5Rafael Espindola 14777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 14877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 14977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Frees all memory internally allocated by the module. 15077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Upon return the lto_module_t is no longer valid. 15177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 15277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern void 15377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziklto_module_dispose(lto_module_t mod); 15477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 15577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 15677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 15777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Returns triple string which the object module was compiled under. 15877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 15977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern const char* 16077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziklto_module_get_target_triple(lto_module_t mod); 16177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 162cbb170d057aa6692b19f577b1e09a6c1c7a26969Rafael Espindola/** 163cbb170d057aa6692b19f577b1e09a6c1c7a26969Rafael Espindola * Sets triple string with which the object will be codegened. 164cbb170d057aa6692b19f577b1e09a6c1c7a26969Rafael Espindola */ 165cbb170d057aa6692b19f577b1e09a6c1c7a26969Rafael Espindolaextern void 166cbb170d057aa6692b19f577b1e09a6c1c7a26969Rafael Espindolalto_module_set_target_triple(lto_module_t mod, const char *triple); 167cbb170d057aa6692b19f577b1e09a6c1c7a26969Rafael Espindola 16877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 16977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 17077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Returns the number of symbols in the object module. 17177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 1726a6623c596fc12f64c813ea14a006ac6da3e33feDevang Patelextern unsigned int 17377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziklto_module_get_num_symbols(lto_module_t mod); 17477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 17577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 17677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 17777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Returns the name of the ith symbol in the object module. 17877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 17977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern const char* 1806a6623c596fc12f64c813ea14a006ac6da3e33feDevang Patellto_module_get_symbol_name(lto_module_t mod, unsigned int index); 18177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 18277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 18377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 18477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Returns the attributes of the ith symbol in the object module. 18577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 18677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern lto_symbol_attributes 1876a6623c596fc12f64c813ea14a006ac6da3e33feDevang Patellto_module_get_symbol_attribute(lto_module_t mod, unsigned int index); 18877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 18977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 19077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 19177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Instantiates a code generator. 19277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Returns NULL on error (check lto_get_error_message() for details). 19377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 19477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern lto_code_gen_t 1950e7a54672cf346ee7c4aae10822c74f7c74f3fedOwen Andersonlto_codegen_create(void); 19677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 19777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 19877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 19977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Frees all code generator and all memory it internally allocated. 20077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Upon return the lto_code_gen_t is no longer valid. 20177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 20277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern void 20377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziklto_codegen_dispose(lto_code_gen_t); 20477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 20577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 20677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 20777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 20877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Add an object module to the set of modules for which code will be generated. 20977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Returns true on error (check lto_get_error_message() for details). 21077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 21177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern bool 21277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziklto_codegen_add_module(lto_code_gen_t cg, lto_module_t mod); 21377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 21477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 21577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 21677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 21777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Sets if debug info should be generated. 21877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Returns true on error (check lto_get_error_message() for details). 21977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 22077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern bool 22177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziklto_codegen_set_debug_model(lto_code_gen_t cg, lto_debug_model); 22277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 22377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 22477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 22577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Sets which PIC code model to generated. 22677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Returns true on error (check lto_get_error_message() for details). 22777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 22877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern bool 22977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziklto_codegen_set_pic_model(lto_code_gen_t cg, lto_codegen_model); 23077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 23177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 23277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 2332d643ef32891859ec73b6eea2959748f5ebc3af7Rafael Espindola * Sets the cpu to generate code for. 2342d643ef32891859ec73b6eea2959748f5ebc3af7Rafael Espindola */ 2352d643ef32891859ec73b6eea2959748f5ebc3af7Rafael Espindolaextern void 2362d643ef32891859ec73b6eea2959748f5ebc3af7Rafael Espindolalto_codegen_set_cpu(lto_code_gen_t cg, const char *cpu); 2372d643ef32891859ec73b6eea2959748f5ebc3af7Rafael Espindola 2382d643ef32891859ec73b6eea2959748f5ebc3af7Rafael Espindola 2392d643ef32891859ec73b6eea2959748f5ebc3af7Rafael Espindola/** 240cbad58624090933cb8fb85587e03be613a481309Nick Kledzik * Sets the location of the assembler tool to run. If not set, libLTO 241cbad58624090933cb8fb85587e03be613a481309Nick Kledzik * will use gcc to invoke the assembler. 242cbad58624090933cb8fb85587e03be613a481309Nick Kledzik */ 243cbad58624090933cb8fb85587e03be613a481309Nick Kledzikextern void 244cbad58624090933cb8fb85587e03be613a481309Nick Kledziklto_codegen_set_assembler_path(lto_code_gen_t cg, const char* path); 245cbad58624090933cb8fb85587e03be613a481309Nick Kledzik 24698197e55c10176c3ef9100f7d852abbd2347225fRafael Espindola/** 24798197e55c10176c3ef9100f7d852abbd2347225fRafael Espindola * Sets extra arguments that libLTO should pass to the assembler. 24898197e55c10176c3ef9100f7d852abbd2347225fRafael Espindola */ 24998197e55c10176c3ef9100f7d852abbd2347225fRafael Espindolaextern void 25098197e55c10176c3ef9100f7d852abbd2347225fRafael Espindolalto_codegen_set_assembler_args(lto_code_gen_t cg, const char **args, 25198197e55c10176c3ef9100f7d852abbd2347225fRafael Espindola int nargs); 252cbad58624090933cb8fb85587e03be613a481309Nick Kledzik 253cbad58624090933cb8fb85587e03be613a481309Nick Kledzik/** 25477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Adds to a list of all global symbols that must exist in the final 25577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * generated code. If a function is not listed, it might be 25677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * inlined into every usage and optimized away. 25777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 25877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern void 25977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziklto_codegen_add_must_preserve_symbol(lto_code_gen_t cg, const char* symbol); 26077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 26177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 26277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 26377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Writes a new object file at the specified path that contains the 26477595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * merged contents of all modules added so far. 26577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Returns true on error (check lto_get_error_message() for details). 26677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 26777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzikextern bool 26877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziklto_codegen_write_merged_modules(lto_code_gen_t cg, const char* path); 26977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 27077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 27177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik/** 27277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * Generates code for all added modules into one native object file. 2737a2bdde0a0eebcd2125055e0eacaca040f0b766cChris Lattner * On success returns a pointer to a generated mach-o/ELF buffer and 274ef194ed74033eba099f4f391ffdfc176f9aa6f26Nick Kledzik * length set to the buffer size. The buffer is owned by the 275ef194ed74033eba099f4f391ffdfc176f9aa6f26Nick Kledzik * lto_code_gen_t and will be freed when lto_codegen_dispose() 276ef194ed74033eba099f4f391ffdfc176f9aa6f26Nick Kledzik * is called, or lto_codegen_compile() is called again. 27777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik * On failure, returns NULL (check lto_get_error_message() for details). 27877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik */ 279ef194ed74033eba099f4f391ffdfc176f9aa6f26Nick Kledzikextern const void* 28077595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledziklto_codegen_compile(lto_code_gen_t cg, size_t* length); 28177595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 2826421a8815e14189121a5e20731fd005ea08793e1Rafael Espindola/** 2836421a8815e14189121a5e20731fd005ea08793e1Rafael Espindola * Generates code for all added modules into one native object file. 2846421a8815e14189121a5e20731fd005ea08793e1Rafael Espindola * The name of the file is written to name. Returns true on error. 2856421a8815e14189121a5e20731fd005ea08793e1Rafael Espindola */ 2866421a8815e14189121a5e20731fd005ea08793e1Rafael Espindolaextern bool 2876421a8815e14189121a5e20731fd005ea08793e1Rafael Espindolalto_codegen_compile_to_file(lto_code_gen_t cg, const char** name); 2886421a8815e14189121a5e20731fd005ea08793e1Rafael Espindola 28977595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 290a93ae711a91dd151ca4d28e4172e0de89d1594f3Devang Patel/** 291a93ae711a91dd151ca4d28e4172e0de89d1594f3Devang Patel * Sets options to help debug codegen bugs. 292a93ae711a91dd151ca4d28e4172e0de89d1594f3Devang Patel */ 293a93ae711a91dd151ca4d28e4172e0de89d1594f3Devang Patelextern void 294a93ae711a91dd151ca4d28e4172e0de89d1594f3Devang Patellto_codegen_debug_options(lto_code_gen_t cg, const char *); 29577595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik#ifdef __cplusplus 29677595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik} 29777595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik#endif 29877595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 2996244b518880842f2c15200ee041e06799e4cc779Gregory Szorc/** 3006244b518880842f2c15200ee041e06799e4cc779Gregory Szorc * @} 3016244b518880842f2c15200ee041e06799e4cc779Gregory Szorc */ 30277595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik 30377595fc35642f990bfc5ad05b8e68d4056695ecaNick Kledzik#endif 304