diff options
author | Alan Modra <amodra@gmail.com> | 2002-12-12 22:25:00 +0000 |
---|---|---|
committer | Alan Modra <amodra@gmail.com> | 2002-12-12 22:25:00 +0000 |
commit | b9195351adf2052661bbccd86509769a678b997c (patch) | |
tree | 213574a5e40dd159513b16d4e30a5d47f135824e /gas/config/tc-i960.c | |
parent | 64384dfd069acb9df6a5e6c945b982ca8ac748d7 (diff) | |
download | gdb-b9195351adf2052661bbccd86509769a678b997c.zip gdb-b9195351adf2052661bbccd86509769a678b997c.tar.gz gdb-b9195351adf2052661bbccd86509769a678b997c.tar.bz2 |
* config/tc-i960.c (md_convert_frag): Add ATTRIBUTE_UNUSED to args.
(s_endian <ignore>): Likewise.
(md_undefined_symbol <name>): Likewise.
(tc_crawl_symbol_chain <headers>): Likewise.
(tc_set_bal_of_call): Likewise.
(tc_coff_symbol_emit_hook <symbolP>): Likewise.
(i960_handle_align <fragp>): Likewise.
(i960_validate_fix <this_segment_type>): Likewise
(tc_gen_reloc <section>): Likewise.
(tc_coff_symbol_emit_hook): Only define for OBJ_COFF.
(struct memS, struct regop): Forward declare.
(brcnt_emit, brlab_next, cobr_fmt, ctrl_fmt, emit, get_args,
get_cdisp, get_ispec, get_regnum, i_scan, mem_fmt, mema_to_memb,
parse_expr, parse_ldconst, parse_memop, parse_po, parse_regop,
reg_fmt, relax_cobr, s_leafproc, s_sysproc, shift_ok, syntax,
targ_has_sfr, targ_has_iclass, tc_bfd_fix2rtype): Prototype.
(md_chars_to_number, md_number_to_imm): Make static, prototype.
(md_number_to_field): Likewise.
(md_number_to_disp): Remove unused function.
(md_atof): Remove declaration of atof_ieee.
(md_apply_fix3): Correct md_number_to_imm call.
Diffstat (limited to 'gas/config/tc-i960.c')
-rw-r--r-- | gas/config/tc-i960.c | 187 |
1 files changed, 96 insertions, 91 deletions
diff --git a/gas/config/tc-i960.c b/gas/config/tc-i960.c index 41f953a..0bbbfa6 100644 --- a/gas/config/tc-i960.c +++ b/gas/config/tc-i960.c @@ -132,33 +132,59 @@ const int md_reloc_size = sizeof (struct relocation_info); #endif /* Local i80960 routines. */ - -static void brcnt_emit (); /* Emit branch-prediction instrumentation code */ -static char *brlab_next (); /* Return next branch local label */ -void brtab_emit (); /* Emit br-predict instrumentation table */ -static void cobr_fmt (); /* Generate COBR instruction */ -static void ctrl_fmt (); /* Generate CTRL instruction */ -static char *emit (); /* Emit (internally) binary */ -static int get_args (); /* Break arguments out of comma-separated list */ -static void get_cdisp (); /* Handle COBR or CTRL displacement */ -static char *get_ispec (); /* Find index specification string */ -static int get_regnum (); /* Translate text to register number */ -static int i_scan (); /* Lexical scan of instruction source */ -static void mem_fmt (); /* Generate MEMA or MEMB instruction */ -static void mema_to_memb (); /* Convert MEMA instruction to MEMB format */ -static void parse_expr (); /* Parse an expression */ -static int parse_ldconst (); /* Parse and replace a 'ldconst' pseudo-op */ -static void parse_memop (); /* Parse a memory operand */ -static void parse_po (); /* Parse machine-dependent pseudo-op */ -static void parse_regop (); /* Parse a register operand */ -static void reg_fmt (); /* Generate a REG format instruction */ -static void relax_cobr (); /* "De-optimize" cobr into compare/branch */ -static void s_leafproc (); /* Process '.leafproc' pseudo-op */ -static void s_sysproc (); /* Process '.sysproc' pseudo-op */ -static int shift_ok (); /* Will a 'shlo' substiture for a 'ldconst'? */ -static void syntax (); /* Give syntax error */ -static int targ_has_sfr (); /* Target chip supports spec-func register? */ -static int targ_has_iclass (); /* Target chip supports instruction set? */ +struct memS; +struct regop; + +/* Emit branch-prediction instrumentation code */ +static void brcnt_emit PARAMS ((void)); +/* Return next branch local label */ +static char *brlab_next PARAMS ((void)); +/* Generate COBR instruction */ +static void cobr_fmt PARAMS ((char *[], long, struct i960_opcode *)); +/* Generate CTRL instruction */ +static void ctrl_fmt PARAMS ((char *, long, int)); +/* Emit (internally) binary */ +static char *emit PARAMS ((long)); +/* Break arguments out of comma-separated list */ +static int get_args PARAMS ((char *, char *[])); +/* Handle COBR or CTRL displacement */ +static void get_cdisp PARAMS ((char *, char *, long, int, int, int)); +/* Find index specification string */ +static char *get_ispec PARAMS ((char *)); +/* Translate text to register number */ +static int get_regnum PARAMS ((char *)); +/* Lexical scan of instruction source */ +static int i_scan PARAMS ((char *, char *[])); +/* Generate MEMA or MEMB instruction */ +static void mem_fmt PARAMS ((char *[], struct i960_opcode *, int)); +/* Convert MEMA instruction to MEMB format */ +static void mema_to_memb PARAMS ((char *)); +/* Parse an expression */ +static void parse_expr PARAMS ((char *, expressionS *)); +/* Parse and replace a 'ldconst' pseudo-op */ +static int parse_ldconst PARAMS ((char *[])); +/* Parse a memory operand */ +static void parse_memop PARAMS ((struct memS *, char *, int)); +/* Parse machine-dependent pseudo-op */ +static void parse_po PARAMS ((int)); +/* Parse a register operand */ +static void parse_regop PARAMS ((struct regop *, char *, char)); +/* Generate a REG format instruction */ +static void reg_fmt PARAMS ((char *[], struct i960_opcode *)); +/* "De-optimize" cobr into compare/branch */ +static void relax_cobr PARAMS ((fragS *)); +/* Process '.leafproc' pseudo-op */ +static void s_leafproc PARAMS ((int, char *[])); +/* Process '.sysproc' pseudo-op */ +static void s_sysproc PARAMS ((int, char *[])); +/* Will a 'shlo' substiture for a 'ldconst'? */ +static int shift_ok PARAMS ((int)); +/* Give syntax error */ +static void syntax PARAMS ((void)); +/* Target chip supports spec-func register? */ +static int targ_has_sfr PARAMS ((int)); +/* Target chip supports instruction set? */ +static int targ_has_iclass PARAMS ((int)); /* See md_parse_option() for meanings of these options */ static char norelax; /* True if -norelax switch seen */ @@ -276,7 +302,7 @@ const pseudo_typeS md_pseudo_table[] = #define MEMA_ABASE 0x2000 /* Info from which a MEMA or MEMB format instruction can be generated */ -typedef struct +typedef struct memS { /* (First) 32 bits of instruction */ long opcode; @@ -286,7 +312,6 @@ typedef struct displacement should be determined. */ char *e; } - memS; /* The two pieces of info we need to generate a register operand */ @@ -707,7 +732,9 @@ md_number_to_chars (buf, value, n) md_chars_to_number: convert from target byte order to host byte order. *************************************************************************** */ -int +static int md_chars_to_number PARAMS ((unsigned char *, int)); + +static int md_chars_to_number (val, n) unsigned char *val; /* Value in target byte order */ int n; /* Number of bytes in the input */ @@ -747,7 +774,6 @@ md_atof (type, litP, sizeP) LITTLENUM_TYPE *wordP; int prec; char *t; - char *atof_ieee (); switch (type) { @@ -798,21 +824,10 @@ md_atof (type, litP, sizeP) md_number_to_imm *************************************************************************** */ -void -md_number_to_imm (buf, val, n) - char *buf; - long val; - int n; -{ - md_number_to_chars (buf, val, n); -} - -/***************************************************************************** - md_number_to_disp +static void md_number_to_imm PARAMS ((char *, long, int)); - *************************************************************************** */ -void -md_number_to_disp (buf, val, n) +static void +md_number_to_imm (buf, val, n) char *buf; long val; int n; @@ -827,7 +842,9 @@ md_number_to_disp (buf, val, n) previously-generated instruction. *************************************************************************** */ -void +static void md_number_to_field PARAMS ((char *, long, bit_fixS *)); + +static void md_number_to_field (instrP, val, bfixP) char *instrP; /* Pointer to instruction to be fixed */ long val; /* Address fixup value */ @@ -1023,14 +1040,14 @@ md_show_usage (stream) #ifndef BFD_ASSEMBLER void md_convert_frag (headers, seg, fragP) - object_headers *headers; - segT seg; + object_headers *headers ATTRIBUTE_UNUSED; + segT seg ATTRIBUTE_UNUSED; fragS *fragP; #else void md_convert_frag (abfd, sec, fragP) - bfd *abfd; - segT sec; + bfd *abfd ATTRIBUTE_UNUSED; + segT sec ATTRIBUTE_UNUSED; fragS *fragP; #endif { @@ -1212,8 +1229,7 @@ brtab_emit () cobr_fmt: generate a COBR-format instruction *************************************************************************** */ -static -void +static void cobr_fmt (arg, opcode, oP) /* arg[0]->opcode mnemonic, arg[1-3]->operands (ascii) */ char *arg[]; @@ -1280,8 +1296,7 @@ cobr_fmt (arg, opcode, oP) ctrl_fmt: generate a CTRL-format instruction *************************************************************************** */ -static -void +static void ctrl_fmt (targP, opcode, num_ops) char *targP; /* Pointer to text of lone operand (if any) */ long opcode; /* Template of instruction */ @@ -1327,8 +1342,7 @@ ctrl_fmt (targP, opcode, num_ops) Return pointer to where it was placed. *************************************************************************** */ -static -char * +static char * emit (instr) long instr; /* Word to be output, host byte order */ { @@ -1432,8 +1446,7 @@ get_args (p, args) address displacement is greater than 13 bits. ****************************************************************************/ -static -void +static void get_cdisp (dispP, ifmtP, instr, numbits, var_frag, callj) /* displacement as specified in source instruction */ char *dispP; @@ -1517,8 +1530,7 @@ get_cdisp (dispP, ifmtP, instr, numbits, var_frag, callj) square brackets, and return a pointer to it. Otherwise, return NULL. *************************************************************************** */ -static -char * +static char * get_ispec (textP) /* Pointer to memory operand from source instruction, no white space. */ char *textP; @@ -1566,8 +1578,7 @@ get_ispec (textP) associated register number (or -1 if not found). *************************************************************************** */ -static -int +static int get_regnum (regname) char *regname; /* Suspected register name */ { @@ -1846,8 +1857,7 @@ parse_expr (textP, expP) Returns the new number of arguments, or -1 on failure. *************************************************************************** */ -static -int +static int parse_ldconst (arg) char *arg[]; /* See above */ { @@ -1959,8 +1969,7 @@ parse_ldconst (arg) the displacement. *************************************************************************** */ -static -void +static void parse_memop (memP, argP, optype) memS *memP; /* Where to put the results */ char *argP; /* Text of the operand to be parsed */ @@ -2164,8 +2173,7 @@ parse_memop (memP, argP, optype) up the rest of the input line, breaks out the individual arguments, and dispatches them to the correct handler. *************************************************************************** */ -static -void +static void parse_po (po_num) int po_num; /* Pseudo-op number: currently S_LEAFPROC or S_SYSPROC */ { @@ -2220,8 +2228,7 @@ parse_po (po_num) In case of illegal operand, issue a message and return some valid information so instruction processing can continue. *************************************************************************** */ -static -void +static void parse_regop (regopP, optext, opdesc) struct regop *regopP; /* Where to put description of register operand */ char *optext; /* Text of operand */ @@ -2431,8 +2438,7 @@ coj[] = { CMPI, BO }, /* 0x3f - cmpibo */ }; -static -void +static void relax_cobr (fragP) register fragS *fragP; /* fragP->fr_opcode is assumed to point to * the cobr instruction, which comes at the @@ -2667,8 +2673,7 @@ s_sysproc (n_ops, args) Caller calculates X by shifting original constant right 'shift' places. *************************************************************************** */ -static -int +static int shift_ok (n) int n; /* The constant of interest */ { @@ -2706,8 +2711,7 @@ syntax () Return TRUE iff the target architecture supports the specified special-function register (sfr). */ -static -int +static int targ_has_sfr (n) int n; /* Number (0-31) of sfr */ { @@ -2730,8 +2734,7 @@ targ_has_sfr (n) Return TRUE iff the target architecture supports the indicated class of instructions. */ -static -int +static int targ_has_iclass (ic) /* Instruction class; one of: I_BASE, I_CX, I_DEC, I_KX, I_FP, I_MIL, I_CASIM, I_CX2, I_HX, I_HX2 @@ -2768,7 +2771,7 @@ targ_has_iclass (ic) static void s_endian (ignore) - int ignore; + int ignore ATTRIBUTE_UNUSED; { char *name; char c; @@ -2791,7 +2794,7 @@ s_endian (ignore) symbolS * md_undefined_symbol (name) - char *name; + char *name ATTRIBUTE_UNUSED; { return 0; } @@ -2826,7 +2829,7 @@ md_apply_fix3 (fixP, valP, seg) fixP->fx_addnumber = val; #endif - md_number_to_imm (place, val, fixP->fx_size, fixP); + md_number_to_imm (place, val, fixP->fx_size); } else if ((int) fixP->fx_bit_fixP == 13 && fixP->fx_addsy != NULL @@ -3040,7 +3043,7 @@ tc_headers_hook (headers) void tc_crawl_symbol_chain (headers) - object_headers *headers; + object_headers *headers ATTRIBUTE_UNUSED; { symbolS *symbolP; @@ -3098,8 +3101,8 @@ tc_crawl_symbol_chain (headers) void tc_set_bal_of_call (callP, balP) - symbolS *callP; - symbolS *balP; + symbolS *callP ATTRIBUTE_UNUSED; + symbolS *balP ATTRIBUTE_UNUSED; { know (TC_S_IS_CALLNAME (callP)); know (TC_S_IS_BALNAME (balP)); @@ -3129,7 +3132,7 @@ tc_set_bal_of_call (callP, balP) symbolS * tc_get_bal_of_call (callP) - symbolS *callP; + symbolS *callP ATTRIBUTE_UNUSED; { symbolS *retval; @@ -3149,13 +3152,13 @@ tc_get_bal_of_call (callP) return retval; } /* _tc_get_bal_of_call() */ +#ifdef OBJ_COFF void tc_coff_symbol_emit_hook (symbolP) - symbolS *symbolP; + symbolS *symbolP ATTRIBUTE_UNUSED; { if (TC_S_IS_CALLNAME (symbolP)) { -#ifdef OBJ_COFF symbolS *balP = tc_get_bal_of_call (symbolP); #if 0 @@ -3170,13 +3173,13 @@ tc_coff_symbol_emit_hook (symbolP) S_SET_DATA_TYPE (symbolP, S_GET_DATA_TYPE (symbolP) | (DT_FCN << N_BTSHFT)); /* fix up the bal symbol */ S_SET_STORAGE_CLASS (balP, C_LABEL); -#endif /* OBJ_COFF */ } /* only on calls */ } +#endif /* OBJ_COFF */ void i960_handle_align (fragp) - fragS *fragp; + fragS *fragp ATTRIBUTE_UNUSED; { if (!linkrelax) return; @@ -3204,7 +3207,7 @@ i960_handle_align (fragp) int i960_validate_fix (fixP, this_segment_type) fixS *fixP; - segT this_segment_type; + segT this_segment_type ATTRIBUTE_UNUSED; { if (fixP->fx_tcbit && TC_S_IS_CALLNAME (fixP->fx_addsy)) { @@ -3228,6 +3231,8 @@ i960_validate_fix (fixP, this_segment_type) /* From cgen.c: */ +static short tc_bfd_fix2rtype PARAMS ((fixS *)); + static short tc_bfd_fix2rtype (fixP) fixS *fixP; @@ -3254,7 +3259,7 @@ tc_bfd_fix2rtype (fixP) arelent * tc_gen_reloc (section, fixP) - asection *section; + asection *section ATTRIBUTE_UNUSED; fixS *fixP; { arelent * reloc; |