X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fconfig%2Ftc-nds32.h;h=525d7343f01b1d047b3b0fa40da98647b0880771;hb=13aa5ceb01cc94a0e617f397c0c5434fc22bb1e5;hp=731bb871d7d7511ad7eedddf12b622ff224a6fc6;hpb=4b95cf5c0c75d6efc1b2f96af72317aecca079f1;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/config/tc-nds32.h b/gas/config/tc-nds32.h index 731bb871d7..525d7343f0 100644 --- a/gas/config/tc-nds32.h +++ b/gas/config/tc-nds32.h @@ -1,5 +1,5 @@ /* tc-nds32.h -- Header file for tc-nds32.c. - Copyright (C) 2012-2014 Free Software Foundation, Inc. + Copyright (C) 2012-2020 Free Software Foundation, Inc. Contributed by Andes Technology Corporation. This file is part of GAS. @@ -24,6 +24,21 @@ #include "bfd_stdint.h" +/* Enum mapping symbol. */ +enum mstate +{ + MAP_UNDEFINED = 0, /* Must be zero, for seginfo in new sections. */ + MAP_DATA, + MAP_CODE, +}; +#define TC_SEGMENT_INFO_TYPE struct nds32_segment_info_type + +/* For mapping symbol. */ +struct nds32_segment_info_type +{ + enum mstate mapstate; +}; + #define LISTING_HEADER \ (target_big_endian ? "NDS32 GAS" : "NDS32 GAS Little Endian") @@ -42,13 +57,9 @@ #define TARGET_BYTES_BIG_ENDIAN 1 #endif -/* This is used to construct expressions out of @GOTOFF, @PLT and @GOT - symbols. The relocation type is stored in X_md. */ -#define O_PIC_reloc O_md1 - /* as.c. */ /* Extend GAS command line option handling capability. */ -extern int nds32_parse_option (int, char *); +extern int nds32_parse_option (int, const char *); extern void nds32_after_parse_args (void); /* The endianness of the target format may change based on command line arguments. */ @@ -95,7 +106,8 @@ extern void tc_nds32_frame_initial_instructions (void); /* For DIFF relocations. The default behavior is inconsistent with the asm internal document. */ #define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEC) \ - (! SEG_NORMAL (SEC) || TC_FORCE_RELOCATION (FIX)) + (GENERIC_FORCE_RELOCATION_SUB_SAME (FIX, SEC) \ + || TC_FORCE_RELOCATION (FIX)) #define TC_FORCE_RELOCATION(fix) nds32_force_relocation (fix) #define TC_VALIDATE_FIX_SUB(FIX,SEG) nds32_validate_fix_sub (FIX,SEG) #define SET_SECTION_RELOCS(sec, relocs, n) nds32_set_section_relocs (sec, relocs, n) @@ -135,7 +147,8 @@ extern void nds32_do_align (int); #define md_macro_start() nds32_macro_start () #define md_macro_end() nds32_macro_end () #define md_macro_info(args) nds32_macro_info (args) -#define TC_START_LABEL(C, S, STR) (C == ':' && nds32_start_label (0, 0)) +#define TC_START_LABEL(STR, NUL_CHAR, NEXT_CHAR) \ + (NEXT_CHAR == ':' && nds32_start_label (0, 0)) #define tc_check_label(label) nds32_check_label (label) #define tc_frob_label(label) nds32_frob_label (label) #define md_end md_end @@ -154,19 +167,31 @@ extern void nds32_do_align (int); #define LOCAL_LABELS_FB 1 /* Permit temporary numeric labels. */ /* frags.c. */ + +enum FRAG_ATTR +{ + NDS32_FRAG_RELAXABLE = 0x1, + NDS32_FRAG_RELAXED = 0x2, + NDS32_FRAG_BRANCH = 0x4, + NDS32_FRAG_LABEL = 0x8, + NDS32_FRAG_FINAL = 0x10, + NDS32_FRAG_RELAXABLE_BRANCH = 0x20, + NDS32_FRAG_ALIGN = 0x40 +}; + struct nds32_frag_type { relax_substateT flag; struct nds32_opcode *opcode; uint32_t insn; - /* To Save previos label fixup if existence. */ + /* To Save previous label fixup if existence. */ struct fix *fixup; }; extern void nds32_frag_init (fragS *); #define TC_FRAG_TYPE struct nds32_frag_type -#define TC_FRAG_INIT(fragP) nds32_frag_init (fragP) +#define TC_FRAG_INIT(fragP, max_bytes) nds32_frag_init (fragP) /* CFI directive. */ extern void nds32_elf_frame_initial_instructions (void); @@ -211,10 +236,21 @@ enum nds32_br_range enum nds32_ramp { - NDS32_CREATE_LABLE = 1, - NDS32_RELAX = 2, - NDS32_ORIGIN = 4, - NDS32_CONVERT = 8 + NDS32_CREATE_LABEL = 1, + NDS32_RELAX = (1 << 1), /* Obsolete in the future. */ + NDS32_ORIGIN = (1 << 2), + NDS32_INSN16 = (1 << 3), + NDS32_PTR = (1 << 4), + NDS32_ABS = (1 << 5), + NDS32_HINT = (1 << 6), + NDS32_FIX = (1 << 7), + NDS32_ADDEND = (1 << 8), + NDS32_SYM = (1 << 9), + NDS32_PCREL = (1 << 10), + NDS32_PTR_PATTERN = (1 << 11), + NDS32_PTR_MULTIPLE = (1 << 12), + NDS32_GROUP = (1 << 13), + NDS32_SYM_DESC_MEM = (1 << 14) }; typedef struct nds32_relax_fixup_info @@ -231,13 +267,15 @@ typedef struct nds32_cond_field int offset; int bitpos; /* Register position. */ int bitmask; /* Number of register bits. */ + bfd_boolean signed_extend; } nds32_cond_field_t; /* The max relaxation pattern is 20-bytes including the nop. */ #define NDS32_MAXCHAR 20 -/* In current, the max entend number of instruction for one pseudo instruction - is 4, but its number of relocation may be 5. */ -#define MAX_RELAX_NUM 8 +/* In current, the max extended number of instruction for one pseudo instruction + is 6, but its number of relocation may be 12. */ +#define MAX_RELAX_NUM 6 +#define MAX_RELAX_FIX 12 typedef struct nds32_relax_info { @@ -248,17 +286,33 @@ typedef struct nds32_relax_info /* Code sequences for different branch range. */ uint32_t relax_code_seq[BR_RANGE_NUM][MAX_RELAX_NUM]; nds32_cond_field_t relax_code_condition[BR_RANGE_NUM][MAX_RELAX_NUM]; - int relax_code_size[BR_RANGE_NUM]; + unsigned int relax_code_size[BR_RANGE_NUM]; int relax_branch_isize[BR_RANGE_NUM]; - nds32_relax_fixup_info_t relax_fixup[BR_RANGE_NUM][MAX_RELAX_NUM]; + nds32_relax_fixup_info_t relax_fixup[BR_RANGE_NUM][MAX_RELAX_FIX]; } relax_info_t; -/* Relocation table. */ -struct nds32_relocation_map +enum nds32_relax_hint_type +{ + NDS32_RELAX_HINT_NONE = 0, + NDS32_RELAX_HINT_LA_FLSI, + NDS32_RELAX_HINT_LALS, + NDS32_RELAX_HINT_LA_PLT, + NDS32_RELAX_HINT_LA_GOT, + NDS32_RELAX_HINT_LA_GOTOFF, + NDS32_RELAX_HINT_TLS_START = 0x100, + NDS32_RELAX_HINT_TLS_LE_LS, + NDS32_RELAX_HINT_TLS_IE_LS, + NDS32_RELAX_HINT_TLS_IE_LA, + NDS32_RELAX_HINT_TLS_IEGP_LA, + NDS32_RELAX_HINT_TLS_DESC_LS, +}; + +struct nds32_relax_hint_table { - unsigned int main_type; - /* Number of instructions, {relocations type, instruction type}. */ - unsigned int reloc_insn[6][6][3]; + enum nds32_relax_hint_type main_type; + unsigned int relax_code_size; + uint32_t relax_code_seq[MAX_RELAX_NUM]; + nds32_relax_fixup_info_t relax_fixup[MAX_RELAX_FIX]; }; #endif /* TC_NDS32 */