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lto.h: Use lto_bool_t instead of int to restore the ABI

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This reverts commit r193255 and instead creates an lto_bool_t typedef
that points to bool, _Bool, or unsigned char depending on what is
available.  Only recent versions of MSVC provide a stdbool.h header.

Reviewers: rafael.espindola

Differential Revision: http://llvm-reviews.chandlerc.com/D2019

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193377 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner
2013-10-24 22:26:04 +00:00
parent 9e39e0d56d
commit 07d5aef305
2 changed files with 32 additions and 18 deletions
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32
include/llvm-c/lto.h
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@@ -19,6 +19,20 @@
#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
/**
* @defgroup LLVMCLTO LTO
* @ingroup LLVMC
@@ -86,14 +100,14 @@ lto_get_error_message(void);
/**
* Checks if a file is a loadable object file.
*/
extern int
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 int
extern lto_bool_t
lto_module_is_object_file_for_target(const char* path,
const char* target_triple_prefix);
@@ -101,14 +115,14 @@ lto_module_is_object_file_for_target(const char* path,
/**
* Checks if a buffer is a loadable object file.
*/
extern int
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 int
extern lto_bool_t
lto_module_is_object_file_in_memory_for_target(const void* mem, size_t length,
const char* target_triple_prefix);
@@ -207,7 +221,7 @@ lto_codegen_dispose(lto_code_gen_t);
* 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 int
extern lto_bool_t
lto_codegen_add_module(lto_code_gen_t cg, lto_module_t mod);
@@ -216,7 +230,7 @@ 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 int
extern lto_bool_t
lto_codegen_set_debug_model(lto_code_gen_t cg, lto_debug_model);
@@ -224,7 +238,7 @@ 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 int
extern lto_bool_t
lto_codegen_set_pic_model(lto_code_gen_t cg, lto_codegen_model);
@@ -270,7 +284,7 @@ extern void lto_codegen_add_dso_symbol(lto_code_gen_t cg, const char *symbol);
* merged contents of all modules added so far.
* Returns true on error (check lto_get_error_message() for details).
*/
extern int
extern lto_bool_t
lto_codegen_write_merged_modules(lto_code_gen_t cg, const char* path);
/**
@@ -288,7 +302,7 @@ 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 int
extern lto_bool_t
lto_codegen_compile_to_file(lto_code_gen_t cg, const char** name);