X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=opcodes%2Fcrx-dis.c;h=38347486169f107d74ffab7db86ed3dc176b9ce6;hb=660df28acfa1b58c978d65d9cb26d37023f791ce;hp=9c14537f0db17d0ebd6076e910b933ce06cbd0e5;hpb=2571583aed598dd3f9651b53434e5f177a0e3cf7;p=deliverable%2Fbinutils-gdb.git diff --git a/opcodes/crx-dis.c b/opcodes/crx-dis.c index 9c14537f0d..3834748616 100644 --- a/opcodes/crx-dis.c +++ b/opcodes/crx-dis.c @@ -1,5 +1,5 @@ /* Disassembler code for CRX. - Copyright (C) 2004-2017 Free Software Foundation, Inc. + Copyright (C) 2004-2019 Free Software Foundation, Inc. Contributed by Tomer Levi, NSC, Israel. Written by Tomer Levi. @@ -21,7 +21,7 @@ MA 02110-1301, USA. */ #include "sysdep.h" -#include "dis-asm.h" +#include "disassemble.h" #include "opcode/crx.h" /* String to print when opcode was not matched. */ @@ -31,11 +31,10 @@ /* Extract 'n_bits' from 'a' starting from offset 'offs'. */ #define EXTRACT(a, offs, n_bits) \ - (n_bits == 32 ? (((a) >> (offs)) & 0xffffffffL) \ - : (((a) >> (offs)) & ((1 << (n_bits)) -1))) + (((a) >> (offs)) & ((2ull << (n_bits - 1)) - 1)) /* Set Bit Mask - a mask to set all bits starting from offset 'offs'. */ -#define SBM(offs) ((((1 << (32 - offs)) -1) << (offs))) +#define SBM(offs) ((-1u << (offs)) & 0xffffffff) typedef unsigned long dwordU; typedef unsigned short wordU; @@ -58,7 +57,7 @@ typedef struct cinv_entry; /* CRX 'cinv' options. */ -const cinv_entry crx_cinvs[] = +static const cinv_entry crx_cinvs[] = { {"[i]", 2}, {"[i,u]", 3}, {"[d]", 4}, {"[d,u]", 5}, {"[d,i]", 6}, {"[d,i,u]", 7}, {"[b]", 8}, @@ -81,40 +80,23 @@ typedef enum REG_ARG_TYPE REG_ARG_TYPE; /* Number of valid 'cinv' instruction options. */ -int NUMCINVS = ((sizeof crx_cinvs)/(sizeof crx_cinvs[0])); +static int NUMCINVS = ((sizeof crx_cinvs)/(sizeof crx_cinvs[0])); /* Current opcode table entry we're disassembling. */ -const inst *instruction; +static const inst *instruction; /* Current instruction we're disassembling. */ -ins currInsn; +static ins currInsn; /* The current instruction is read into 3 consecutive words. */ -wordU words[3]; +static wordU words[3]; /* Contains all words in appropriate order. */ -ULONGLONG allWords; +static ULONGLONG allWords; /* Holds the current processed argument number. */ -int processing_argument_number; +static int processing_argument_number; /* Nonzero means a CST4 instruction. */ -int cst4flag; +static int cst4flag; /* Nonzero means the instruction's original size is incremented (escape sequence is used). */ -int size_changed; - -static int get_number_of_operands (void); -static argtype getargtype (operand_type); -static int getbits (operand_type); -static char *getregname (reg); -static char *getcopregname (copreg, reg_type); -static char * getprocregname (int); -static char *gettrapstring (unsigned); -static char *getcinvstring (unsigned); -static void getregliststring (int, char *, enum REG_ARG_TYPE); -static wordU get_word_at_PC (bfd_vma, struct disassemble_info *); -static void get_words_at_PC (bfd_vma, struct disassemble_info *); -static unsigned long build_mask (void); -static int powerof2 (int); -static int match_opcode (void); -static void make_instruction (void); -static void print_arguments (ins *, bfd_vma, struct disassemble_info *); -static void print_arg (argument *, bfd_vma, struct disassemble_info *); +static int size_changed; + /* Retrieve the number of operands for the current assembled instruction. */ @@ -183,7 +165,7 @@ getcinvstring (unsigned int num) /* Given a register enum value, retrieve its name. */ -char * +static char * getregname (reg r) { const reg_entry * regentry = &crx_regtab[r]; @@ -196,7 +178,7 @@ getregname (reg r) /* Given a coprocessor register enum value, retrieve its name. */ -char * +static char * getcopregname (copreg r, reg_type type) { const reg_entry * regentry; @@ -241,10 +223,10 @@ powerof2 (int x) /* Transform a register bit mask to a register list. */ -void +static void getregliststring (int mask, char *string, enum REG_ARG_TYPE core_cop) { - char temp_string[5]; + char temp_string[16]; int i; string[0] = '{'; @@ -315,11 +297,11 @@ makelongparameter (ULONGLONG val, int start, int end) /* Build a mask of the instruction's 'constant' opcode, based on the instruction's printing flags. */ -static unsigned long +static unsigned int build_mask (void) { unsigned int print_flags; - unsigned long mask; + unsigned int mask; print_flags = instruction->flags & FMT_CRX; switch (print_flags) @@ -352,10 +334,10 @@ build_mask (void) static int match_opcode (void) { - unsigned long mask; + unsigned int mask; /* The instruction 'constant' opcode doewsn't exceed 32 bits. */ - unsigned long doubleWord = (words[1] + (words[0] << 16)) & 0xffffffff; + unsigned int doubleWord = (words[1] + (words[0] << 16)) & 0xffffffff; /* Start searching from end of instruction table. */ instruction = &crx_instruction[NUMOPCODES - 2];