|* *|
\*===----------------------------------------------------------------------===*/
-#ifndef LTO_H
-#define LTO_H 1
+#ifndef LLVM_C_LTO_H
+#define LLVM_C_LTO_H
-#include <stdbool.h>
#include <stddef.h>
+#include <sys/types.h>
+
+#ifndef __cplusplus
+#if !defined(_MSC_VER)
+#include <stdbool.h>
+typedef bool lto_bool_t;
+#else
+/* MSVC in particular does not have anything like _Bool or bool in C, but we can
+ at least make sure the type is the same size. The implementation side will
+ use C++ bool. */
+typedef unsigned char lto_bool_t;
+#endif
+#else
+typedef bool lto_bool_t;
+#endif
-#define LTO_API_VERSION 3
+/**
+ * @defgroup LLVMCLTO LTO
+ * @ingroup LLVMC
+ *
+ * @{
+ */
+
+#define LTO_API_VERSION 5
typedef enum {
- LTO_SYMBOL_ALIGNMENT_MASK = 0x0000001F, /* log2 of alignment */
- 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_ALIGNMENT_MASK = 0x0000001F, /* log2 of alignment */
+ 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_attributes;
typedef enum {
/**
- * Returns the last error string or NULL if last operation was sucessful.
+ * Returns the last error string or NULL if last operation was successful.
*/
extern const char*
lto_get_error_message(void);
/**
* Checks if a file is a loadable object file.
*/
-extern bool
+extern lto_bool_t
lto_module_is_object_file(const char* path);
/**
* Checks if a file is a loadable object compiled for requested target.
*/
-extern bool
-lto_module_is_object_file_for_target(const char* path,
+extern lto_bool_t
+lto_module_is_object_file_for_target(const char* path,
const char* target_triple_prefix);
/**
* Checks if a buffer is a loadable object file.
*/
-extern bool
+extern lto_bool_t
lto_module_is_object_file_in_memory(const void* mem, size_t length);
/**
* Checks if a buffer is a loadable object compiled for requested target.
*/
-extern bool
-lto_module_is_object_file_in_memory_for_target(const void* mem, size_t length,
- const char* target_triple_prefix);
+extern lto_bool_t
+lto_module_is_object_file_in_memory_for_target(const void* mem, size_t length,
+ const char* target_triple_prefix);
/**
extern lto_module_t
lto_module_create_from_memory(const void* mem, size_t length);
+/**
+ * Loads an object file from disk. The seek point of fd is not preserved.
+ * Returns NULL on error (check lto_get_error_message() for details).
+ */
+extern lto_module_t
+lto_module_create_from_fd(int fd, const char *path, size_t file_size);
+
+/**
+ * Loads an object file from disk. The seek point of fd is not preserved.
+ * Returns NULL on error (check lto_get_error_message() for details).
+ */
+extern 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);
+
/**
* Frees all memory internally allocated by the module.
extern const char*
lto_module_get_target_triple(lto_module_t mod);
+/**
+ * Sets triple string with which the object will be codegened.
+ */
+extern void
+lto_module_set_target_triple(lto_module_t mod, const char *triple);
+
/**
* Returns the number of symbols in the object module.
* Add an object module to the set of modules for which code will be generated.
* Returns true on error (check lto_get_error_message() for details).
*/
-extern bool
+extern lto_bool_t
lto_codegen_add_module(lto_code_gen_t cg, lto_module_t mod);
* Sets if debug info should be generated.
* Returns true on error (check lto_get_error_message() for details).
*/
-extern bool
+extern lto_bool_t
lto_codegen_set_debug_model(lto_code_gen_t cg, lto_debug_model);
* Sets which PIC code model to generated.
* Returns true on error (check lto_get_error_message() for details).
*/
-extern bool
+extern lto_bool_t
lto_codegen_set_pic_model(lto_code_gen_t cg, lto_codegen_model);
/**
- * Sets the location of the "gcc" to run. If not set, libLTO will search for
- * "gcc" on the path.
+ * Sets the cpu to generate code for.
*/
extern void
-lto_codegen_set_gcc_path(lto_code_gen_t cg, const char* path);
+lto_codegen_set_cpu(lto_code_gen_t cg, const char *cpu);
/**
extern void
lto_codegen_set_assembler_path(lto_code_gen_t cg, const char* path);
+/**
+ * Sets extra arguments that libLTO should pass to the assembler.
+ */
+extern void
+lto_codegen_set_assembler_args(lto_code_gen_t cg, const char **args,
+ int nargs);
/**
- * Adds to a list of all global symbols that must exist in the final
- * generated code. If a function is not listed, it might be
- * inlined into every usage and optimized away.
+ * Tells LTO optimization passes that this symbol must be preserved
+ * because it is referenced by native code or a command line option.
*/
extern void
lto_codegen_add_must_preserve_symbol(lto_code_gen_t cg, const char* symbol);
-
/**
* Writes a new object file at the specified path that contains the
* merged contents of all modules added so far.
* Returns true on error (check lto_get_error_message() for details).
*/
-extern bool
+extern lto_bool_t
lto_codegen_write_merged_modules(lto_code_gen_t cg, const char* path);
-
/**
* Generates code for all added modules into one native object file.
- * On sucess returns a pointer to a generated mach-o/ELF buffer and
- * length set to the buffer size. The buffer is owned by the
+ * On success returns a pointer to a generated mach-o/ELF buffer and
+ * length set to the buffer size. The buffer is owned by the
* lto_code_gen_t and will be freed when lto_codegen_dispose()
* is called, or lto_codegen_compile() is called again.
* On failure, returns NULL (check lto_get_error_message() for details).
extern const void*
lto_codegen_compile(lto_code_gen_t cg, size_t* length);
+/**
+ * Generates code for all added modules into one native object file.
+ * The name of the file is written to name. Returns true on error.
+ */
+extern lto_bool_t
+lto_codegen_compile_to_file(lto_code_gen_t cg, const char** name);
+
/**
* Sets options to help debug codegen bugs.
*/
extern void
lto_codegen_debug_options(lto_code_gen_t cg, const char *);
+
+/**
+ * Initializes LLVM disassemblers.
+ * FIXME: This doesn't really belong here.
+ */
+extern void
+lto_initialize_disassembler(void);
+
#ifdef __cplusplus
}
#endif
+/**
+ * @}
+ */
#endif
projects / oota-llvm.git / blobdiff