X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=include%2Flibfirm%2Fbe.h;h=510ce7da94f12f5a72cc8db98b7c8732b7d0e48c;hb=74d5a9023b48f346eead323a74e28297659e34b7;hp=5213dd23394cc08aa928e89049cd081bc5e4c76d;hpb=f0ffe00e5370bdfd3ce97c320e4314f35b0fa998;p=libfirm diff --git a/include/libfirm/be.h b/include/libfirm/be.h index 5213dd233..510ce7da9 100644 --- a/include/libfirm/be.h +++ b/include/libfirm/be.h @@ -1,5 +1,5 @@ /* - * 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. * @@ -28,82 +28,113 @@ #include #include "irarch.h" -#include "archop.h" #include "lowering.h" -#include "dbginfo.h" -#include "iroptimize.h" +#include "begin.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; -#include - -#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; - /** if set, the backend prefers fastcall convention over cdecl */ - unsigned prefer_fastcall: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; /** * Register the Firm backend command line options. */ -void be_opt_register(void); +FIRM_API void be_opt_register(void); /** * Parse one backend argument. */ -int be_parse_arg(const char *arg); +FIRM_API 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); +FIRM_API 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); +FIRM_API 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); +FIRM_API 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); +FIRM_API 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 */ +#include "end.h" + +#endif