X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=include%2Flibfirm%2Fbe.h;h=4f4400391bf86fa7a242d75cd83b5846c2fa17f5;hb=fef8dc3eff6468d7d65485af8e1ac9884c504e1a;hp=a97ec1b38017f4e10940249fac42b7d4df175f43;hpb=fbe9e7db119eb320ecfa3b1e9911c55c38a97126;p=libfirm diff --git a/include/libfirm/be.h b/include/libfirm/be.h index a97ec1b38..4f4400391 100644 --- a/include/libfirm/be.h +++ b/include/libfirm/be.h @@ -38,22 +38,62 @@ * @{ */ -typedef enum { - ASM_CONSTRAINT_FLAG_NONE = 0, +/** + * flags categorizing assembler constraint specifications + */ +typedef enum asm_constraint_flags_t { + ASM_CONSTRAINT_FLAG_NONE = 0, /**< no constraints */ + /** input/output can be in a register */ ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER = 1u << 0, + /** input/output can be read/written to/from a memory address */ ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP = 1u << 1, + /** input can be encoded as an immediate number */ ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE = 1u << 2, + /** the constraint is not supported yet by libFirm */ ASM_CONSTRAINT_FLAG_NO_SUPPORT = 1u << 3, + /** The input is also written to */ ASM_CONSTRAINT_FLAG_MODIFIER_WRITE = 1u << 4, + /** the input is not written to */ ASM_CONSTRAINT_FLAG_MODIFIER_NO_WRITE = 1u << 5, + /** the input is read */ ASM_CONSTRAINT_FLAG_MODIFIER_READ = 1u << 6, + /** the input is not read */ ASM_CONSTRAINT_FLAG_MODIFIER_NO_READ = 1u << 7, + /** the value is modified before all inputs to the asm block + * are handled. */ ASM_CONSTRAINT_FLAG_MODIFIER_EARLYCLOBBER = 1u << 8, + /** This operand and the following operand are commutative */ ASM_CONSTRAINT_FLAG_MODIFIER_COMMUTATIVE = 1u << 9, + /** invalid constraint (due to parse error) */ ASM_CONSTRAINT_FLAG_INVALID = 1u << 10 } asm_constraint_flags_t; ENUM_BITSET(asm_constraint_flags_t) +/** Dwarf source language codes. */ +typedef enum { + DW_LANG_C89 = 0x0001, + DW_LANG_C = 0x0002, + DW_LANG_Ada83 = 0x0003, + DW_LANG_C_plus_plus = 0x0004, + DW_LANG_Cobol74 = 0x0005, + DW_LANG_Cobol85 = 0x0006, + DW_LANG_Fortran77 = 0x0007, + DW_LANG_Fortran90 = 0x0008, + DW_LANG_Pascal83 = 0x0009, + DW_LANG_Modula2 = 0x000a, + DW_LANG_Java = 0x000b, + DW_LANG_C99 = 0x000c, + DW_LANG_Ada95 = 0x000d, + DW_LANG_Fortran95 = 0x000e, + DW_LANG_PLI = 0x000f, + DW_LANG_ObjC = 0x0010, + DW_LANG_ObjC_plus_plus = 0x0011, + DW_LANG_UPC = 0x0012, + DW_LANG_D = 0x0013, + DW_LANG_Python = 0x0014, + DW_LANG_Go = 0x0016, +} dwarf_source_language; + /** * Build a Trampoline for the closure. * @param block the block where to build the trampoline @@ -94,8 +134,8 @@ typedef struct backend_params { /** Backend settings for if-conversion. */ arch_allow_ifconv_func allow_ifconv; - /** size of machine words. This is usually the size of the general purpose - * integer registers. */ + /** size of machine word in bits. This is usually the size of the general + * purpose integer/address registers. */ unsigned machine_size; /** @@ -138,7 +178,36 @@ typedef struct backend_params { FIRM_API int be_parse_arg(const char *arg); /** - * Return the backend configuration parameter. + * Returns 1 if the backend uses big-endian byte ordering + * and 0 for little-endian. + */ +FIRM_API int be_is_big_endian(void); + +/** + * Returns size of machine words. This is usually the size + * of the general purpose integer registers. + */ +FIRM_API unsigned be_get_machine_size(void); + +/** + * Returns supported float arithmetic mode or NULL if mode_D and mode_F + * are supported natively. + * Some backends like x87 can only do arithmetic in a specific float + * mode (load/store are still done in the "normal" float/double modes). + */ +FIRM_API ir_mode *be_get_mode_float_arithmetic(void); + +/** Returns type used for long long or NULL if none available. */ +FIRM_API ir_type *be_get_type_long_long(void); + +/** Returns type used for unsigned long long or NULL if none available. */ +FIRM_API ir_type *be_get_type_unsigned_long_long(void); + +/** Returns type used for long double or NULL if none available. */ +FIRM_API ir_type *be_get_type_long_double(void); + +/** + * Returns the backend configuration parameter. * * @return libFirm configuration parameters for the selected * backend @@ -178,6 +247,17 @@ FIRM_API asm_constraint_flags_t be_parse_asm_constraints(const char *constraints */ FIRM_API int be_is_valid_clobber(const char *clobber); +/** + * Sets source language for dwarf debug information. + */ +FIRM_API void be_dwarf_set_source_language(dwarf_source_language language); + +/** + * Sets working directory of the compiler (or directory where the compiler + * searched for sources) for dwarf debug information. + */ +FIRM_API void be_dwarf_set_compilation_directory(const char *directory); + /** @} */ #include "end.h"