diff options
Diffstat (limited to 'gas/config/tc-nios2.c')
| -rw-r--r-- | gas/config/tc-nios2.c | 170 |
1 files changed, 85 insertions, 85 deletions
diff --git a/gas/config/tc-nios2.c b/gas/config/tc-nios2.c index 4488a47..42bb115 100644 --- a/gas/config/tc-nios2.c +++ b/gas/config/tc-nios2.c @@ -106,7 +106,7 @@ struct do not generate warnings. */ bfd_boolean noat; - /* .set nobreak -> nobreak = 1 allows assembly code to use ba,bt without + /* .set nobreak -> nobreak = 1 allows assembly code to use ba,bt without warning. .set break -> nobreak = 0, assembly code using ba,bt warns. */ bfd_boolean nobreak; @@ -145,7 +145,7 @@ typedef struct nios2_insn_info /* Constant bits masked into insn_code for self-check mode. */ unsigned long constant_bits; - + /* Pointer to the relevant bit of the opcode table. */ const struct nios2_opcode *insn_nios2_opcode; /* After parsing ptrs to the tokens in the instruction fill this array @@ -576,11 +576,11 @@ s_nios2_set (int equiv) trying a directive. This prevents us from polluting the name space. */ SKIP_WHITESPACE (); - if (is_end_of_line[(unsigned char) *input_line_pointer]) + if (is_end_of_line[(unsigned char) *input_line_pointer]) { bfd_boolean done = TRUE; *endline = 0; - + if (!strcmp (directive, "noat")) nios2_as_options.noat = TRUE; else if (!strcmp (directive, "at")) @@ -597,7 +597,7 @@ s_nios2_set (int equiv) nios2_as_options.relax = relax_all; else done = FALSE; - + if (done) { *endline = delim; @@ -607,7 +607,7 @@ s_nios2_set (int equiv) } /* If we fall through to here, either we have ".set XXX, YYY" - or we have ".set XXX" where XXX is unknown or we have + or we have ".set XXX" where XXX is unknown or we have a syntax error. */ input_line_pointer = directive; *endline = delim; @@ -652,7 +652,7 @@ const pseudo_typeS md_pseudo_table[] = { Nios II PC-relative branch instructions only support 16-bit offsets. And, there's no good way to add a 32-bit constant to the PC without using two registers. - + To deal with this, for the pc-relative relaxation mode we convert br label into a series of 16-bit adds, like: @@ -691,7 +691,7 @@ const pseudo_typeS md_pseudo_table[] = { 16-bit CDX branch instructions are relaxed first into equivalent 32-bit branches and then the above transformations are applied - if necessary. + if necessary. */ @@ -1020,7 +1020,7 @@ md_convert_frag (bfd *headers ATTRIBUTE_UNUSED, segT segment ATTRIBUTE_UNUSED, md_number_to_chars (buffer, op, 4); fragp->fr_fix += 4; buffer += 4; - + /* We need to know whether the offset is positive or negative. */ target += S_GET_VALUE (symbolp); offset = target - fragp->fr_address - fragp->fr_fix; @@ -1183,7 +1183,7 @@ nios2_diagnose_overflow (valueT fixup, reloc_howto_type *howto, = ((fixP->fx_frag->fr_address + fixP->fx_where) & 0xf0000000); range_max = range_min + 0x0fffffff; address = fixup | range_min; - + as_bad_where (fixP->fx_file, fixP->fx_line, _("call target address 0x%08x out of range 0x%08x to 0x%08x"), address, range_min, range_max); @@ -1304,7 +1304,7 @@ md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) if (fixP->fx_r_type == BFD_RELOC_64) { /* We may reach here due to .8byte directives, but we never output - BFD_RELOC_64; it must be resolved. */ + BFD_RELOC_64; it must be resolved. */ if (fixP->fx_addsy != NULL) as_bad_where (fixP->fx_file, fixP->fx_line, _("cannot create 64-bit relocation")); @@ -1749,7 +1749,7 @@ nios2_parse_base_register (char *str, int *direction, int *writeback, int *ret) /* The various nios2_assemble_* functions call this function to generate an expression from a string representing an expression. It then tries to evaluate the expression, and if it can, returns its value. - If not, it creates a new nios2_insn_relocS and stores the expression and + If not, it creates a new nios2_insn_relocS and stores the expression and reloc_type for future use. */ static unsigned long nios2_assemble_expression (const char *exprstr, @@ -1774,7 +1774,7 @@ nios2_assemble_expression (const char *exprstr, { reloc_type = nios2_special_reloc[i].reloc_type; exprstr += strlen (nios2_special_reloc[i].string) + 1; - + /* %lo and %hiadj have different meanings for PC-relative expressions. */ if (pcrel) @@ -1784,7 +1784,7 @@ nios2_assemble_expression (const char *exprstr, if (reloc_type == BFD_RELOC_NIOS2_HIADJ16) reloc_type = BFD_RELOC_NIOS2_PCREL_HA; } - + break; } @@ -1851,7 +1851,7 @@ nios2_assemble_reg3 (const char *token) /* Control register index. */ -static void +static void nios2_assemble_arg_c (const char *token, nios2_insn_infoS *insn) { struct nios2_reg *reg = nios2_parse_reg (token, REG_CONTROL); @@ -1874,7 +1874,7 @@ nios2_assemble_arg_c (const char *token, nios2_insn_infoS *insn) } /* Destination register. */ -static void +static void nios2_assemble_arg_d (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -1919,7 +1919,7 @@ nios2_assemble_arg_d (const char *token, nios2_insn_infoS *insn) } /* Source register 1. */ -static void +static void nios2_assemble_arg_s (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -1996,7 +1996,7 @@ nios2_assemble_arg_s (const char *token, nios2_insn_infoS *insn) } /* Source register 2. */ -static void +static void nios2_assemble_arg_t (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2062,12 +2062,12 @@ nios2_assemble_arg_t (const char *token, nios2_insn_infoS *insn) } /* Destination register w/3-bit encoding. */ -static void +static void nios2_assemble_arg_D (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; int reg = nios2_assemble_reg3 (token); - + switch (op->format) { case iw_T1I7_type: @@ -2097,12 +2097,12 @@ nios2_assemble_arg_D (const char *token, nios2_insn_infoS *insn) } /* Source register w/3-bit encoding. */ -static void +static void nios2_assemble_arg_S (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; int reg = nios2_assemble_reg3 (token); - + switch (op->format) { case iw_T1I7_type: @@ -2142,12 +2142,12 @@ nios2_assemble_arg_S (const char *token, nios2_insn_infoS *insn) } /* Source register 2 w/3-bit encoding. */ -static void +static void nios2_assemble_arg_T (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; int reg = nios2_assemble_reg3 (token); - + switch (op->format) { case iw_T2I4_type: @@ -2165,7 +2165,7 @@ nios2_assemble_arg_T (const char *token, nios2_insn_infoS *insn) } /* 16-bit signed immediate. */ -static void +static void nios2_assemble_arg_i (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2189,7 +2189,7 @@ nios2_assemble_arg_i (const char *token, nios2_insn_infoS *insn) } /* 12-bit signed immediate. */ -static void +static void nios2_assemble_arg_I (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2213,7 +2213,7 @@ nios2_assemble_arg_I (const char *token, nios2_insn_infoS *insn) } /* 16-bit unsigned immediate. */ -static void +static void nios2_assemble_arg_u (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2237,7 +2237,7 @@ nios2_assemble_arg_u (const char *token, nios2_insn_infoS *insn) } /* 7-bit unsigned immediate with 2-bit shift. */ -static void +static void nios2_assemble_arg_U (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2261,7 +2261,7 @@ nios2_assemble_arg_U (const char *token, nios2_insn_infoS *insn) } /* 5-bit unsigned immediate with 2-bit shift. */ -static void +static void nios2_assemble_arg_V (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2280,7 +2280,7 @@ nios2_assemble_arg_V (const char *token, nios2_insn_infoS *insn) } /* 4-bit unsigned immediate with 2-bit shift. */ -static void +static void nios2_assemble_arg_W (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2294,7 +2294,7 @@ nios2_assemble_arg_W (const char *token, nios2_insn_infoS *insn) insn->constant_bits |= SET_IW_T2I4_IMM4 (val >> 2); break; case iw_L5I4X1_type: - /* This argument is optional for push.n/pop.n, and defaults to + /* This argument is optional for push.n/pop.n, and defaults to zero if unspecified. */ if (token == NULL) return; @@ -2309,7 +2309,7 @@ nios2_assemble_arg_W (const char *token, nios2_insn_infoS *insn) } /* 4-bit unsigned immediate with 1-bit shift. */ -static void +static void nios2_assemble_arg_X (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2328,7 +2328,7 @@ nios2_assemble_arg_X (const char *token, nios2_insn_infoS *insn) } /* 4-bit unsigned immediate without shift. */ -static void +static void nios2_assemble_arg_Y (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2348,7 +2348,7 @@ nios2_assemble_arg_Y (const char *token, nios2_insn_infoS *insn) /* 16-bit signed immediate address offset. */ -static void +static void nios2_assemble_arg_o (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2372,7 +2372,7 @@ nios2_assemble_arg_o (const char *token, nios2_insn_infoS *insn) } /* 10-bit signed address offset with 1-bit shift. */ -static void +static void nios2_assemble_arg_O (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2391,7 +2391,7 @@ nios2_assemble_arg_O (const char *token, nios2_insn_infoS *insn) } /* 7-bit signed address offset with 1-bit shift. */ -static void +static void nios2_assemble_arg_P (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2410,7 +2410,7 @@ nios2_assemble_arg_P (const char *token, nios2_insn_infoS *insn) } /* 5-bit unsigned immediate. */ -static void +static void nios2_assemble_arg_j (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2458,7 +2458,7 @@ nios2_assemble_arg_j (const char *token, nios2_insn_infoS *insn) } /* Second 5-bit unsigned immediate field. */ -static void +static void nios2_assemble_arg_k (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2483,7 +2483,7 @@ nios2_assemble_arg_k (const char *token, nios2_insn_infoS *insn) } /* 8-bit unsigned immediate. */ -static void +static void nios2_assemble_arg_l (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2507,7 +2507,7 @@ nios2_assemble_arg_l (const char *token, nios2_insn_infoS *insn) } /* 26-bit unsigned immediate. */ -static void +static void nios2_assemble_arg_m (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2537,7 +2537,7 @@ nios2_assemble_arg_m (const char *token, nios2_insn_infoS *insn) } /* 6-bit unsigned immediate with no shifting. */ -static void +static void nios2_assemble_arg_M (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2556,7 +2556,7 @@ nios2_assemble_arg_M (const char *token, nios2_insn_infoS *insn) } /* 6-bit unsigned immediate with 2-bit shift. */ -static void +static void nios2_assemble_arg_N (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2576,7 +2576,7 @@ nios2_assemble_arg_N (const char *token, nios2_insn_infoS *insn) /* Encoded enumeration for addi.n/subi.n. */ -static void +static void nios2_assemble_arg_e (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2603,7 +2603,7 @@ nios2_assemble_arg_e (const char *token, nios2_insn_infoS *insn) } /* Encoded enumeration for slli.n/srli.n. */ -static void +static void nios2_assemble_arg_f (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2630,7 +2630,7 @@ nios2_assemble_arg_f (const char *token, nios2_insn_infoS *insn) } /* Encoded enumeration for andi.n. */ -static void +static void nios2_assemble_arg_g (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2657,7 +2657,7 @@ nios2_assemble_arg_g (const char *token, nios2_insn_infoS *insn) } /* Encoded enumeration for movi.n. */ -static void +static void nios2_assemble_arg_h (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2688,7 +2688,7 @@ nios2_assemble_arg_h (const char *token, nios2_insn_infoS *insn) } /* Encoded REGMASK for ldwm/stwm or push.n/pop.n. */ -static void +static void nios2_assemble_arg_R (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2739,14 +2739,14 @@ nios2_assemble_arg_R (const char *token, nios2_insn_infoS *insn) insn->insn_code |= SET_IW_L5I4X1_CS (1); } break; - + default: bad_opcode (op); } } /* Base register for ldwm/stwm. */ -static void +static void nios2_assemble_arg_B (const char *token, nios2_insn_infoS *insn) { const struct nios2_opcode *op = insn->insn_nios2_opcode; @@ -2762,7 +2762,7 @@ nios2_assemble_arg_B (const char *token, nios2_insn_infoS *insn) switch (op->format) { case iw_F1X4L17_type: - /* For ldwm, check to see if the base register is already inside the + /* For ldwm, check to see if the base register is already inside the register list. */ if (op->match == MATCH_R2_LDWM && (nios2_reglist_mask & (1 << reg->index))) @@ -2828,71 +2828,71 @@ nios2_assemble_args (nios2_insn_infoS *insn) case 'c': nios2_assemble_arg_c (insn->insn_tokens[tokidx++], insn); break; - + case 'd': nios2_assemble_arg_d (insn->insn_tokens[tokidx++], insn); break; - + case 's': nios2_assemble_arg_s (insn->insn_tokens[tokidx++], insn); break; - + case 't': nios2_assemble_arg_t (insn->insn_tokens[tokidx++], insn); break; - + case 'D': nios2_assemble_arg_D (insn->insn_tokens[tokidx++], insn); break; - + case 'S': nios2_assemble_arg_S (insn->insn_tokens[tokidx++], insn); break; - + case 'T': nios2_assemble_arg_T (insn->insn_tokens[tokidx++], insn); break; - + case 'i': nios2_assemble_arg_i (insn->insn_tokens[tokidx++], insn); break; - + case 'I': nios2_assemble_arg_I (insn->insn_tokens[tokidx++], insn); break; - + case 'u': nios2_assemble_arg_u (insn->insn_tokens[tokidx++], insn); break; - + case 'U': nios2_assemble_arg_U (insn->insn_tokens[tokidx++], insn); break; - + case 'V': nios2_assemble_arg_V (insn->insn_tokens[tokidx++], insn); break; - + case 'W': nios2_assemble_arg_W (insn->insn_tokens[tokidx++], insn); break; - + case 'X': nios2_assemble_arg_X (insn->insn_tokens[tokidx++], insn); break; - + case 'Y': nios2_assemble_arg_Y (insn->insn_tokens[tokidx++], insn); break; - + case 'o': nios2_assemble_arg_o (insn->insn_tokens[tokidx++], insn); break; - + case 'O': nios2_assemble_arg_O (insn->insn_tokens[tokidx++], insn); break; - + case 'P': nios2_assemble_arg_P (insn->insn_tokens[tokidx++], insn); break; @@ -2900,15 +2900,15 @@ nios2_assemble_args (nios2_insn_infoS *insn) case 'j': nios2_assemble_arg_j (insn->insn_tokens[tokidx++], insn); break; - + case 'k': nios2_assemble_arg_k (insn->insn_tokens[tokidx++], insn); break; - + case 'l': nios2_assemble_arg_l (insn->insn_tokens[tokidx++], insn); break; - + case 'm': nios2_assemble_arg_m (insn->insn_tokens[tokidx++], insn); break; @@ -2924,19 +2924,19 @@ nios2_assemble_args (nios2_insn_infoS *insn) case 'e': nios2_assemble_arg_e (insn->insn_tokens[tokidx++], insn); break; - + case 'f': nios2_assemble_arg_f (insn->insn_tokens[tokidx++], insn); break; - + case 'g': nios2_assemble_arg_g (insn->insn_tokens[tokidx++], insn); break; - + case 'h': nios2_assemble_arg_h (insn->insn_tokens[tokidx++], insn); break; - + case 'R': nios2_assemble_arg_R (insn->insn_tokens[tokidx++], insn); break; @@ -2950,7 +2950,7 @@ nios2_assemble_args (nios2_insn_infoS *insn) break; } - /* Perform argument checking. */ + /* Perform argument checking. */ nios2_check_assembly (insn->insn_code | insn->constant_bits, insn->insn_tokens[tokidx]); } @@ -2966,7 +2966,7 @@ static char * nios2_consume_arg (char *argstr, const char *parsestr) { char *temp; - + switch (*parsestr) { case 'c': @@ -3015,7 +3015,7 @@ nios2_consume_arg (char *argstr, const char *parsestr) case 'h': case 'M': case 'N': - + /* We can't have %hi, %lo or %hiadj here. */ if (*argstr == '%') as_bad (_("badly formed expression near %s"), argstr); @@ -3102,7 +3102,7 @@ nios2_parse_args (nios2_insn_infoS *insn, char *argstr, p = argstr; i = 0; bfd_boolean terminate = FALSE; - + /* This rest of this function is it too fragile and it mostly works, therefore special case this one. */ if (*parsestr == 0 && argstr != 0) @@ -3111,7 +3111,7 @@ nios2_parse_args (nios2_insn_infoS *insn, char *argstr, parsed_args[0] = NULL; return; } - + while (p != NULL && !terminate && i < NIOS2_MAX_INSN_TOKENS) { parsed_args[i] = nios2_consume_arg (p, parsestr); @@ -3219,7 +3219,7 @@ nios2_append_arg (char **parsed_args, const char *appnd, int num, parsed_args[i + 1] = NULL; } -/* This function inserts the string insert num times in the array +/* This function inserts the string insert num times in the array parsed_args, starting at the index start. */ static void nios2_insert_arg (char **parsed_args, const char *insert, int num, @@ -3323,7 +3323,7 @@ static void output_insn (nios2_insn_infoS *insn) { char *f; - nios2_insn_relocS *reloc; + nios2_insn_relocS *reloc; f = frag_more (insn->insn_nios2_opcode->size); /* This allocates enough space for the instruction and puts it in the current frag. */ @@ -3619,7 +3619,7 @@ md_begin (void) break; } - /* Create and fill a hashtable for the Nios II opcodes, registers and + /* Create and fill a hashtable for the Nios II opcodes, registers and arguments. */ nios2_opcode_hash = hash_new (); nios2_reg_hash = hash_new (); @@ -3688,7 +3688,7 @@ md_begin (void) void md_assemble (char *op_str) { - char *argstr; + char *argstr; char *op_strdup = NULL; unsigned long saved_pinfo = 0; nios2_insn_infoS thisinsn; @@ -3731,11 +3731,11 @@ md_assemble (char *op_str) nios2_parse_args (insn, argstr, insn->insn_nios2_opcode->args_test, (char **) &insn->insn_tokens[1]); - /* We need to preserve the MOVIA macro as this is clobbered by + /* We need to preserve the MOVIA macro as this is clobbered by translate_pseudo_insn. */ if (insn->insn_nios2_opcode->pinfo == NIOS2_INSN_MACRO_MOVIA) saved_pinfo = NIOS2_INSN_MACRO_MOVIA; - /* If the instruction is an pseudo-instruction, we want to replace it + /* If the instruction is an pseudo-instruction, we want to replace it with its real equivalent, and then continue. */ if ((insn->insn_nios2_opcode->pinfo & NIOS2_INSN_MACRO) == NIOS2_INSN_MACRO) |