X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=include%2Flibfirm%2Fbe.h;h=59a47c1c314d510eab6b97fae4593dd03f411a63;hb=3646e58f46f85a17537e89483d6b0c279df4a4d2;hp=42b5ac89daf5bffee44d7fc5ed404eb734901898;hpb=75f1ff9ca246049d81d5a39f584dbdf7b24de556;p=libfirm

diff --git a/include/libfirm/be.h b/include/libfirm/be.h
index 42b5ac89d..59a47c1c3 100644
--- a/include/libfirm/be.h
+++ b/include/libfirm/be.h
@@ -26,35 +26,79 @@
 #ifndef FIRM_BE_MAIN_H
 #define FIRM_BE_MAIN_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <stdio.h>
 #include "irarch.h"
-#include "archop.h"
 #include "lowering.h"
 
+typedef enum {
+	ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER     = 0x0001,
+	ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP        = 0x0002,
+	ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE    = 0x0004,
+	ASM_CONSTRAINT_FLAG_NO_SUPPORT            = 0x0008,
+	ASM_CONSTRAINT_FLAG_MODIFIER_WRITE        = 0x0010,
+	ASM_CONSTRAINT_FLAG_MODIFIER_NO_WRITE     = 0x0020,
+	ASM_CONSTRAINT_FLAG_MODIFIER_READ         = 0x0040,
+	ASM_CONSTRAINT_FLAG_MODIFIER_NO_READ      = 0x0080,
+	ASM_CONSTRAINT_FLAG_MODIFIER_EARLYCLOBBER = 0x0100,
+	ASM_CONSTRAINT_FLAG_MODIFIER_COMMUTATIVE  = 0x0200,
+	ASM_CONSTRAINT_FLAG_INVALID               = 0x8000
+} asm_constraint_flags_t;
+
+/**
+ * Build a Trampoline for the closure.
+ * @param block       the block where to build the trampoline
+ * @param mem         memory
+ * @param trampoline  address of a trampoline region
+ * @param env         address of the environment
+ * @param callee      address of the function to call
+ *
+ * @return modified memory
+ */
+typedef ir_node *(create_trampoline_fkt)(ir_node *block, ir_node *mem, ir_node *trampoline, ir_node *env, ir_node *callee);
+
 /**
  * This structure contains parameters that should be
  * propagated to the libFirm parameter set.
  */
 typedef struct backend_params {
-	/** if set, the backend cannot handle DWORD access */
+	/** If set, the backend cannot handle DWORD access. */
 	unsigned do_dw_lowering:1;
-	/** if set, the backend supports inline assembly */
+	/** If set, the backend supports inline assembly. */
 	unsigned support_inline_asm:1;
 
-	/** Additional opcodes settings. */
-	const arch_ops_info *arch_op_settings;
-
-	/** Settings for architecture dependent optimizations */
+	/** Settings for architecture dependent optimizations. */
 	const ir_settings_arch_dep_t *dep_param;
 
-	/** the architecture specific intrinsic function creator */
+	/** The architecture specific intrinsic function creator. */
 	create_intrinsic_fkt *arch_create_intrinsic_fkt;
 
-	/** the context parameter for the create intrinsic function */
+	/** The context parameter for the create intrinsic function. */
 	void *create_intrinsic_ctx;
 
-	/** backend settings for if-conversion */
+	/** Backend settings for if-conversion. */
 	const ir_settings_if_conv_t *if_conv_info;
+
+	/**
+	 * some backends like x87 can only do arithmetic in a specific float
+	 * mode (but convert to/from other float modes).
+	 */
+	ir_mode *mode_float_arithmetic;
+
+	/** Size of the trampoline code. */
+	unsigned trampoline_size;
+
+	/** Alignment of the trampoline code. */
+	unsigned trampoline_align;
+
+	/** If non-zero, build the trampoline. */
+	create_trampoline_fkt *build_trampoline;
+
+	/** Alignment of stack parameters */
+	unsigned stack_param_align;
 } backend_params;
 
 /**
@@ -68,19 +112,34 @@ void be_opt_register(void);
 int be_parse_arg(const char *arg);
 
 /**
- * Initialize the Firm backend. Must be run BEFORE init_firm()!
+ * Return the backend configuration parameter.
  *
  * @return libFirm configuration parameters for the selected
  *         backend
  */
-const backend_params *be_init(void);
+const backend_params *be_get_backend_param(void);
 
 /**
  * Main interface to the frontend.
  */
-void be_main(FILE *file_handle, const char *cup_name);
+void be_main(FILE *output, const char *compilation_unit_name);
+
+/**
+ * parse assembler constraint strings and returns flags (so the frontend knows
+ * which operands are inputs/outputs and whether memory is required)
+ */
+asm_constraint_flags_t be_parse_asm_constraints(const char *constraints);
+
+/**
+ * tests whether a string is a valid clobber in an ASM instruction
+ */
+int be_is_valid_clobber(const char *clobber);
 
 typedef struct be_main_env_t be_main_env_t;
 typedef struct be_options_t  be_options_t;
 
-#endif /* FIRM_BE_MAIN_H */
+#ifdef __cplusplus
+}
+#endif
+
+#endif