/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
#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"
-#include "iroptimize.h"
-#include <libcore/lc_timing.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;
-#define LC_STOP_AND_RESET_TIMER(timer) do { lc_timer_stop(timer); lc_timer_reset(timer); } while(0)
+/**
+ * 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. */
+ const ir_settings_arch_dep_t *dep_param;
- /** Settings for architecture dependent optimizations */
- const arch_dep_params_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 */
- const opt_if_conv_info_t *if_conv_info;
+ /** 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;
/**
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);
-
-/** The type of the debug info retriever function. */
-typedef const char *(*retrieve_dbg_func)(const dbg_info *dbg, unsigned *line);
+void be_main(FILE *output, const char *compilation_unit_name);
/**
- * Sets a debug info retriever.
- *
- * @param func the debug retriever function.
+ * parse assembler constraint strings and returns flags (so the frontend knows
+ * which operands are inputs/outputs and whether memory is required)
*/
-void be_set_debug_retrieve(retrieve_dbg_func func);
+asm_constraint_flags_t be_parse_asm_constraints(const char *constraints);
/**
- * Retrieve the debug info.
+ * tests whether a string is a valid clobber in an ASM instruction
*/
-const char *be_retrieve_dbg_info(const dbg_info *dbg, unsigned *line);
+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