diff options
author | Ken Raeburn <raeburn@cygnus> | 1993-09-25 09:32:12 +0000 |
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committer | Ken Raeburn <raeburn@cygnus> | 1993-09-25 09:32:12 +0000 |
commit | bcb8dff8d850ad859805150628cd13b7def255eb (patch) | |
tree | ba3b80fda31f24e32c843d6df6ec01943319457e /gas | |
parent | d113e6b28e88d16de8cb23f5f6f73e6cb8981042 (diff) | |
download | gdb-bcb8dff8d850ad859805150628cd13b7def255eb.zip gdb-bcb8dff8d850ad859805150628cd13b7def255eb.tar.gz gdb-bcb8dff8d850ad859805150628cd13b7def255eb.tar.bz2 |
Moved struct m68k_incant and related macros earlier in the file.
Make insop and add_exp functions for readability.
Whitespace/comment changes.
Diffstat (limited to 'gas')
-rw-r--r-- | gas/config/tc-m68k.c | 564 |
1 files changed, 286 insertions, 278 deletions
diff --git a/gas/config/tc-m68k.c b/gas/config/tc-m68k.c index aa36977..64f1ff2 100644 --- a/gas/config/tc-m68k.c +++ b/gas/config/tc-m68k.c @@ -1,7 +1,7 @@ /* tc-m68k.c All the m68020 specific stuff in one convenient, huge, slow to compile, easy to find file. - Copyright (C) 1987, 1991, 1992 Free Software Foundation, Inc. + Copyright (C) 1987, 1991, 1992, 1993 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -99,6 +99,19 @@ static struct obstack robyn; #define DBCC 5 #define PCLEA 6 +struct m68k_incant + { + char *m_operands; + unsigned long m_opcode; + short m_opnum; + short m_codenum; + int m_arch; + struct m68k_incant *m_next; + }; + +#define getone(x) ((((x)->m_opcode)>>16)&0xffff) +#define gettwo(x) (((x)->m_opcode)&0xffff) + /* Operands we can parse: (And associated modes) numb: 8 bit num @@ -176,6 +189,7 @@ struct m68k_exp { char *e_beg; char *e_end; + segT e_seg; expressionS e_exp; short e_siz; /* 0== default 1==short/byte 2==word 3==long */ }; @@ -335,8 +349,7 @@ struct m68k_it struct { int n; - symbolS *add, *sub; - long off; + expressionS exp; char wid; char pcrel; } @@ -349,9 +362,10 @@ struct m68k_it static struct m68k_it the_ins; /* the instruction being assembled */ -#define seg(exp) ((exp)->e_exp.X_seg) +#define seg(exp) ((exp)->e_seg) +#define op(exp) ((exp)->e_exp.X_op) #define adds(exp) ((exp)->e_exp.X_add_symbol) -#define subs(exp) ((exp)->e_exp.X_subtract_symbol) +#define subs(exp) ((exp)->e_exp.X_op_symbol) #define offs(exp) ((exp)->e_exp.X_add_number) /* Macros for adding things to the m68k_it struct */ @@ -359,21 +373,29 @@ static struct m68k_it the_ins; /* the instruction being assembled */ #define addword(w) the_ins.opcode[the_ins.numo++]=(w) /* Like addword, but goes BEFORE general operands */ -#define insop(w) {int z;\ - for(z=the_ins.numo;z>opcode->m_codenum;--z)\ - the_ins.opcode[z]=the_ins.opcode[z-1];\ - for(z=0;z<the_ins.nrel;z++)\ - the_ins.reloc[z].n+=2;\ - the_ins.opcode[opcode->m_codenum]=w;\ - the_ins.numo++;\ - } - +static void +insop (w, opcode) + int w; + struct m68k_incant *opcode; +{ + int z; + for(z=the_ins.numo;z>opcode->m_codenum;--z) + the_ins.opcode[z]=the_ins.opcode[z-1]; + for(z=0;z<the_ins.nrel;z++) + the_ins.reloc[z].n+=2; + the_ins.opcode[opcode->m_codenum]=w; + the_ins.numo++; +} -#define add_exp(beg,end) (\ - the_ins.exprs[the_ins.nexp].e_beg=beg,\ - the_ins.exprs[the_ins.nexp].e_end=end,\ - &the_ins.exprs[the_ins.nexp++]\ - ) +static struct m68k_exp * +add_exp (beg, end) + char *beg; + char *end; +{ + the_ins.exprs[the_ins.nexp].e_beg=beg; + the_ins.exprs[the_ins.nexp].e_end=end; + return &the_ins.exprs[the_ins.nexp++]; +} /* The numo+1 kludge is so we can hit the low order byte of the prev word. @@ -389,9 +411,7 @@ add_fix (width, exp, pc_rel) : (((width)=='b') ? ((the_ins.numo-1)*2) : (the_ins.numo*2))); - the_ins.reloc[the_ins.nrel].add = adds((exp)); - the_ins.reloc[the_ins.nrel].sub = subs((exp)); - the_ins.reloc[the_ins.nrel].off = offs((exp)); + the_ins.reloc[the_ins.nrel].exp = exp->e_exp; the_ins.reloc[the_ins.nrel].wid = width; the_ins.reloc[the_ins.nrel++].pcrel = pc_rel; } @@ -408,23 +428,8 @@ add_frag(add,off,type) the_ins.fragb[the_ins.nfrag++].fragty=type; } -#define isvar(exp) ((exp) && (adds(exp) || subs(exp))) - -struct m68k_incant - { - char *m_operands; - unsigned long m_opcode; - short m_opnum; - short m_codenum; - int m_arch; - struct m68k_incant *m_next; - }; - - - -#define getone(x) ((((x)->m_opcode)>>16)&0xffff) -#define gettwo(x) (((x)->m_opcode)&0xffff) - +#define isvar(exp) \ + ((exp) && op (exp) != O_constant && op (exp) != O_big) static char *crack_operand PARAMS ((char *str, struct m68k_op *opP)); static int get_num PARAMS ((struct m68k_exp *exp, int ok)); @@ -434,11 +439,11 @@ static int reverse_8_bits PARAMS ((int in)); static int try_index PARAMS ((char **s, struct m68k_op *opP)); static void install_gen_operand PARAMS ((int mode, int val)); static void install_operand PARAMS ((int mode, int val)); -static void s_bss PARAMS ((void)); -static void s_data1 PARAMS ((void)); -static void s_data2 PARAMS ((void)); -static void s_even PARAMS ((void)); -static void s_proc PARAMS ((void)); +static void s_bss PARAMS ((int)); +static void s_data1 PARAMS ((int)); +static void s_data2 PARAMS ((int)); +static void s_even PARAMS ((int)); +static void s_proc PARAMS ((int)); static int current_architecture; @@ -546,7 +551,7 @@ CONST pseudo_typeS mote_pseudo_table[] = {"sect", obj_coff_section, 0}, {"section", obj_coff_section, 0}, #endif - 0, + {0, 0, 0} }; #define issbyte(x) ((x)>=-128 && (x)<=127) @@ -1006,7 +1011,7 @@ m68k_ip_op (str, opP) char *stmp; char *index (); - if (stmp = index (str, ',')) + if ((stmp = index (str, ',')) != NULL) { opP->con1 = add_exp (str, stmp - 1); str = stmp; @@ -1100,7 +1105,7 @@ m68k_ip_op (str, opP) /* "EXP2" or "EXP2(REG..." */ char *stmp; char *index (); - if (stmp = index (str, '(')) + if ((stmp = index (str, '(')) != NULL) { char *ostr = str; @@ -1552,7 +1557,7 @@ m68k_ip (instring) if (p == instring) { the_ins.error = "No operator"; - the_ins.opcode[0] = NULL; + the_ins.opcode[0] = 0; /* the_ins.numo=1; */ return; } @@ -1584,7 +1589,7 @@ m68k_ip (instring) if (opcode == NULL) { the_ins.error = "Unknown operator"; - the_ins.opcode[0] = NULL; + the_ins.opcode[0] = 0; /* the_ins.numo=1; */ return; } @@ -1680,6 +1685,9 @@ m68k_ip (instring) case REGLST: case AINDR: losing++; + break; + default: + break; } break; @@ -1881,8 +1889,7 @@ m68k_ip (instring) t = get_num (opP->con1, 0); if (!issbyte (t) - || isvar (opP->con1) - || seg (opP->con1) != absolute_section) + || isvar (opP->con1)) losing++; } break; @@ -2059,21 +2066,21 @@ m68k_ip (instring) default: { int got_one = 0, idx; - CONST static struct + static const struct { int arch; - CONST char *name; + const char *name; } archs[] = { - m68000, "68000", - m68010, "68010", - m68020, "68020", - m68030, "68030", - m68040, "68040", - cpu32, "cpu32", - m68881, "68881", - m68851, "68851", + { m68000, "68000" }, + { m68010, "68010" }, + { m68020, "68020" }, + { m68030, "68030" }, + { m68040, "68040" }, + { cpu32, "cpu32" }, + { m68881, "68881" }, + { m68851, "68851" } }; for (idx = 0; idx < sizeof (archs) / sizeof (archs[0]); idx++) { @@ -2180,28 +2187,33 @@ m68k_ip (instring) outro = -1; break; default: - as_fatal ("Internal error: Can't decode %c%c in line %s of file \"%s\"", + as_fatal ("Internal error: Can't decode %c%c in line %d of file \"%s\"", *s, s[1], __LINE__, __FILE__); } if (!baseo) break; /* We gotta put out some float */ -#if 0 - if (seg (opP->con1) != SEG_BIG) - { - int_to_gen (nextword); - gen_to_words (words, baseo, (long int) outro); - for (wordp = words; baseo--; wordp++) - addword (*wordp); - break; - } /* Its BIG */ -#else - if (seg (opP->con1) != big_section) + if (op (opP->con1) != O_big) { - abort (); + valueT val; + int gencnt; + + /* Can other cases happen here? */ + if (op (opP->con1) != O_constant) + abort (); + + val = (valueT) offs (opP->con1); + gencnt = 0; + do + { + generic_bignum[gencnt] = (LITTLENUM_TYPE) val; + val >>= LITTLENUM_NUMBER_OF_BITS; + ++gencnt; + } + while (val != 0); + offs (opP->con1) = gencnt; } -#endif if (offs (opP->con1) > 0) { if (offs (opP->con1) > baseo) @@ -2210,10 +2222,10 @@ m68k_ip (instring) offs (opP->con1) = baseo; } baseo -= offs (opP->con1); - for (wordp = generic_bignum + offs (opP->con1) - 1; offs (opP->con1)--; --wordp) - addword (*wordp); while (baseo--) addword (0); + for (wordp = generic_bignum + offs (opP->con1) - 1; offs (opP->con1)--; --wordp) + addword (*wordp); break; } gen_to_words (words, baseo, (long) outro); @@ -2482,8 +2494,8 @@ m68k_ip (instring) addword (nextword); break; } - /* Don't generate pc relative code - on 68010 and 68000 */ + /* Don't generate pc relative code on 68010 and + 68000. */ if (isvar (opP->con1) && !subs (opP->con1) && seg (opP->con1) == text_section @@ -2555,20 +2567,22 @@ m68k_ip (instring) user beware! */ if (!isbyte (tmpreg)) opP->error = "out of range"; - insop (tmpreg); + insop (tmpreg, opcode); if (isvar (opP->con1)) the_ins.reloc[the_ins.nrel - 1].n = (opcode->m_codenum) * 2; break; case 'w': if (!isword (tmpreg)) opP->error = "out of range"; - insop (tmpreg); + insop (tmpreg, opcode); if (isvar (opP->con1)) the_ins.reloc[the_ins.nrel - 1].n = (opcode->m_codenum) * 2; break; case 'l': - insop (tmpreg); /* Because of the way insop works, we put these two out backwards */ - insop (tmpreg >> 16); + /* Because of the way insop works, we put these two out + backwards. */ + insop (tmpreg, opcode); + insop (tmpreg >> 16, opcode); if (isvar (opP->con1)) the_ins.reloc[the_ins.nrel - 1].n = (opcode->m_codenum) * 2; break; @@ -2579,7 +2593,7 @@ m68k_ip (instring) install_operand (s[1], tmpreg); break; default: - as_fatal ("Internal error: Unknown mode #%c in line %s of file \"%s\"", s[1], __LINE__, __FILE__); + as_fatal ("Internal error: Unknown mode #%c in line %d of file \"%s\"", s[1], __LINE__, __FILE__); } break; @@ -2687,7 +2701,7 @@ m68k_ip (instring) } break; default: - as_fatal ("Internal error: operand type B%c unknown in line %s of file \"%s\"", + as_fatal ("Internal error: operand type B%c unknown in line %d of file \"%s\"", s[1], __LINE__, __FILE__); } break; @@ -2810,7 +2824,7 @@ m68k_ip (instring) { if (tmpreg & 0x7FF0000) as_bad ("Floating point register in register list"); - insop (reverse_16_bits (tmpreg)); + insop (reverse_16_bits (tmpreg), opcode); } else { @@ -2826,7 +2840,7 @@ m68k_ip (instring) { if (tmpreg & 0x7FF0000) as_bad ("Floating point register in register list"); - insop (tmpreg); + insop (tmpreg, opcode); } else if (s[1] == '8') { @@ -3196,8 +3210,8 @@ install_operand (mode, val) the_ins.opcode[2] |= val << 6; break; case '6': - /* DANGER! This is a hack to force cas2l and cas2w cmds - to be three words long! */ + /* DANGER! This is a hack to force cas2l and cas2w cmds to be + three words long! */ the_ins.numo++; the_ins.opcode[2] |= val; break; @@ -3391,123 +3405,121 @@ verify_symbol_chain_2 (s); struct init_entry { - char *name; + const char *name; int number; }; -static CONST struct init_entry init_table[] = +static const struct init_entry init_table[] = { - "d0", DATA0, - "d1", DATA1, - "d2", DATA2, - "d3", DATA3, - "d4", DATA4, - "d5", DATA5, - "d6", DATA6, - "d7", DATA7, - "a0", ADDR0, - "a1", ADDR1, - "a2", ADDR2, - "a3", ADDR3, - "a4", ADDR4, - "a5", ADDR5, - "a6", ADDR6, - "fp", ADDR6, - "a7", ADDR7, - "sp", ADDR7, - "fp0", FP0, - "fp1", FP1, - "fp2", FP2, - "fp3", FP3, - "fp4", FP4, - "fp5", FP5, - "fp6", FP6, - "fp7", FP7, - "fpi", FPI, - "fpiar", FPI, - "fpc", FPI, - "fps", FPS, - "fpsr", FPS, - "fpc", FPC, - "fpcr", FPC, - - "cop0", COP0, - "cop1", COP1, - "cop2", COP2, - "cop3", COP3, - "cop4", COP4, - "cop5", COP5, - "cop6", COP6, - "cop7", COP7, - "pc", PC, - "zpc", ZPC, - "sr", SR, - - "ccr", CCR, - "cc", CCR, - - "usp", USP, - "isp", ISP, - "sfc", SFC, - "dfc", DFC, - "cacr", CACR, - "caar", CAAR, - - "vbr", VBR, - - "msp", MSP, - "itt0", ITT0, - "itt1", ITT1, - "dtt0", DTT0, - "dtt1", DTT1, - "mmusr", MMUSR, - "tc", TC, - "srp", SRP, - "urp", URP, - - "ac", AC, - "bc", BC, - "cal", CAL, - "crp", CRP, - "drp", DRP, - "pcsr", PCSR, - "psr", PSR, - "scc", SCC, - "val", VAL, - "bad0", BAD0, - "bad1", BAD1, - "bad2", BAD2, - "bad3", BAD3, - "bad4", BAD4, - "bad5", BAD5, - "bad6", BAD6, - "bad7", BAD7, - "bac0", BAC0, - "bac1", BAC1, - "bac2", BAC2, - "bac3", BAC3, - "bac4", BAC4, - "bac5", BAC5, - "bac6", BAC6, - "bac7", BAC7, - - "ic", IC, - "dc", DC, - "nc", NC, - - "tt0", TT0, - "tt1", TT1, + { "d0", DATA0 }, + { "d1", DATA1 }, + { "d2", DATA2 }, + { "d3", DATA3 }, + { "d4", DATA4 }, + { "d5", DATA5 }, + { "d6", DATA6 }, + { "d7", DATA7 }, + { "a0", ADDR0 }, + { "a1", ADDR1 }, + { "a2", ADDR2 }, + { "a3", ADDR3 }, + { "a4", ADDR4 }, + { "a5", ADDR5 }, + { "a6", ADDR6 }, + { "fp", ADDR6 }, + { "a7", ADDR7 }, + { "sp", ADDR7 }, + { "fp0", FP0 }, + { "fp1", FP1 }, + { "fp2", FP2 }, + { "fp3", FP3 }, + { "fp4", FP4 }, + { "fp5", FP5 }, + { "fp6", FP6 }, + { "fp7", FP7 }, + { "fpi", FPI }, + { "fpiar", FPI }, + { "fpc", FPI }, + { "fps", FPS }, + { "fpsr", FPS }, + { "fpc", FPC }, + { "fpcr", FPC }, + + { "cop0", COP0 }, + { "cop1", COP1 }, + { "cop2", COP2 }, + { "cop3", COP3 }, + { "cop4", COP4 }, + { "cop5", COP5 }, + { "cop6", COP6 }, + { "cop7", COP7 }, + { "pc", PC }, + { "zpc", ZPC }, + { "sr", SR }, + + { "ccr", CCR }, + { "cc", CCR }, + + { "usp", USP }, + { "isp", ISP }, + { "sfc", SFC }, + { "dfc", DFC }, + { "cacr", CACR }, + { "caar", CAAR }, + + { "vbr", VBR }, + + { "msp", MSP }, + { "itt0", ITT0 }, + { "itt1", ITT1 }, + { "dtt0", DTT0 }, + { "dtt1", DTT1 }, + { "mmusr", MMUSR }, + { "tc", TC }, + { "srp", SRP }, + { "urp", URP }, + + { "ac", AC }, + { "bc", BC }, + { "cal", CAL }, + { "crp", CRP }, + { "drp", DRP }, + { "pcsr", PCSR }, + { "psr", PSR }, + { "scc", SCC }, + { "val", VAL }, + { "bad0", BAD0 }, + { "bad1", BAD1 }, + { "bad2", BAD2 }, + { "bad3", BAD3 }, + { "bad4", BAD4 }, + { "bad5", BAD5 }, + { "bad6", BAD6 }, + { "bad7", BAD7 }, + { "bac0", BAC0 }, + { "bac1", BAC1 }, + { "bac2", BAC2 }, + { "bac3", BAC3 }, + { "bac4", BAC4 }, + { "bac5", BAC5 }, + { "bac6", BAC6 }, + { "bac7", BAC7 }, + + { "ic", IC }, + { "dc", DC }, + { "nc", NC }, + + { "tt0", TT0 }, + { "tt1", TT1 }, /* 68ec030 versions of same */ - "ac0", TT0, - "ac1", TT1, + { "ac0", TT0 }, + { "ac1", TT1 }, /* 68ec030 access control unit, identical to 030 MMU status reg */ - "acusr", PSR, - - 0, + { "acusr", PSR }, + { 0, 0 } }; - void init_regtable () { @@ -3649,14 +3661,13 @@ md_assemble (str) the_ins.reloc[m].wid); } - fix_new (frag_now, - (toP - frag_now->fr_literal) - the_ins.numo * 2 + the_ins.reloc[m].n, - n, - the_ins.reloc[m].add, - the_ins.reloc[m].sub, - the_ins.reloc[m].off, - the_ins.reloc[m].pcrel, - NO_RELOC); + fix_new_exp (frag_now, + ((toP - frag_now->fr_literal) + - the_ins.numo * 2 + the_ins.reloc[m].n), + n, + &the_ins.reloc[m].exp, + the_ins.reloc[m].pcrel, + NO_RELOC); } return; } @@ -3693,14 +3704,13 @@ md_assemble (str) the_ins.reloc[m].wid = 0; wid = (wid == 'b') ? 1 : (wid == 'w') ? 2 : (wid == 'l') ? 4 : 4000; - fix_new (frag_now, - (toP - frag_now->fr_literal) - the_ins.numo * 2 + the_ins.reloc[m].n, - wid, - the_ins.reloc[m].add, - the_ins.reloc[m].sub, - the_ins.reloc[m].off, - the_ins.reloc[m].pcrel, - NO_RELOC); + fix_new_exp (frag_now, + ((toP - frag_now->fr_literal) + - the_ins.numo * 2 + the_ins.reloc[m].n), + wid, + &the_ins.reloc[m].exp, + the_ins.reloc[m].pcrel, + NO_RELOC); } (void) frag_var (rs_machine_dependent, 10, 0, (relax_substateT) (the_ins.fragb[n].fragty), @@ -3729,14 +3739,13 @@ md_assemble (str) the_ins.reloc[m].wid = 0; wid = (wid == 'b') ? 1 : (wid == 'w') ? 2 : (wid == 'l') ? 4 : 4000; - fix_new (frag_now, - (the_ins.reloc[m].n + toP - frag_now->fr_literal) - shorts_this_frag * 2, - wid, - the_ins.reloc[m].add, - the_ins.reloc[m].sub, - the_ins.reloc[m].off, - the_ins.reloc[m].pcrel, - NO_RELOC); + fix_new_exp (frag_now, + ((the_ins.reloc[m].n + toP - frag_now->fr_literal) + - shorts_this_frag * 2), + wid, + &the_ins.reloc[m].exp, + the_ins.reloc[m].pcrel, + NO_RELOC); } } @@ -3769,7 +3778,7 @@ md_begin () register CONST struct m68k_opcode *ins; register struct m68k_incant *hack, *slak; - register char *retval = 0; /* empty string, or error msg text */ + register const char *retval = 0; /* empty string, or error msg text */ register unsigned int i; register char c; @@ -3836,7 +3845,7 @@ md_begin () #ifndef MIT_SYNTAX_ONLY /* Insert pseudo ops, these have to go into the opcode table since - gas expects pseudo ops to start with a dot */ + gas expects pseudo ops to start with a dot */ { int n = 0; while (mote_pseudo_table[n].poc_name) @@ -4091,14 +4100,13 @@ md_convert_frag_1 (fragP) if (fragP->fr_opcode[0] == 0x61) { fragP->fr_opcode[0] = 0x4E; - fragP->fr_opcode[1] = 0xB9; /* JBSR with ABSL LONG offset */ + fragP->fr_opcode[1] = (char) 0xB9; /* JBSR with ABSL LONG offset */ subseg_change (text_section, 0); /* @@ */ fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, - 0, fragP->fr_offset, 0, NO_RELOC); @@ -4109,10 +4117,10 @@ md_convert_frag_1 (fragP) else if (fragP->fr_opcode[0] == 0x60) { fragP->fr_opcode[0] = 0x4E; - fragP->fr_opcode[1] = 0xF9; /* JMP with ABSL LONG offset */ + fragP->fr_opcode[1] = (char) 0xF9; /* JMP with ABSL LONG offset */ subseg_change (text_section, 0); /* @@ */ - fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0, fragP->fr_offset, 0, - NO_RELOC); + fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, + fragP->fr_offset, 0, NO_RELOC); fragP->fr_fix += 4; ext = 0; } @@ -4123,7 +4131,7 @@ md_convert_frag_1 (fragP) } else { - fragP->fr_opcode[1] = 0xff; + fragP->fr_opcode[1] = (char) 0xff; ext = 4; } break; @@ -4137,12 +4145,11 @@ md_convert_frag_1 (fragP) different frag, in which case refering to them is a no-no. Only fr_opcode[0,1] are guaranteed to work. */ *buffer_address++ = 0x4e; /* put in jmp long (0x4ef9) */ - *buffer_address++ = 0xf9; + *buffer_address++ = (char) 0xf9; fragP->fr_fix += 2; /* account for jmp instruction */ subseg_change (text_section, 0); - fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0, - fragP->fr_offset, 0, - NO_RELOC); + fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, + fragP->fr_offset, 0, NO_RELOC); fragP->fr_fix += 4; ext = 0; break; @@ -4155,11 +4162,11 @@ md_convert_frag_1 (fragP) *buffer_address++ = 0x60; /* put in bra pc+6 */ *buffer_address++ = 0x06; *buffer_address++ = 0x4e; /* put in jmp long (0x4ef9) */ - *buffer_address++ = 0xf9; + *buffer_address++ = (char) 0xf9; fragP->fr_fix += 6; /* account for bra/jmp instructions */ subseg_change (text_section, 0); - fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0, + fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, fragP->fr_offset, 0, NO_RELOC); fragP->fr_fix += 4; ext = 0; @@ -4180,11 +4187,12 @@ md_convert_frag_1 (fragP) PCREL is really trying to shorten an ABSOLUTE address anyway */ /* JF FOO This code has not been tested */ subseg_change (text_section, 0); - fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0, fragP->fr_offset, + fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, fragP->fr_offset, 0, NO_RELOC); if ((fragP->fr_opcode[1] & 0x3F) != 0x3A) - as_bad ("Internal error (long PC-relative operand) for insn 0x%04lx at 0x%lx", - fragP->fr_opcode[0], fragP->fr_address); + as_bad ("Internal error (long PC-relative operand) for insn 0x%04x at 0x%lx", + (unsigned) fragP->fr_opcode[0], + (unsigned long) fragP->fr_address); fragP->fr_opcode[1] &= ~0x3F; fragP->fr_opcode[1] |= 0x39; /* Mode 7.1 */ fragP->fr_fix += 4; @@ -4193,7 +4201,7 @@ md_convert_frag_1 (fragP) case TAB (PCLEA, SHORT): subseg_change (text_section, 0); fix_new (fragP, (int) (fragP->fr_fix), 2, fragP->fr_symbol, - (symbolS *) 0, fragP->fr_offset, 1, NO_RELOC); + fragP->fr_offset, 1, NO_RELOC); fragP->fr_opcode[1] &= ~0x3F; fragP->fr_opcode[1] |= 0x3A; ext = 2; @@ -4201,7 +4209,7 @@ md_convert_frag_1 (fragP) case TAB (PCLEA, LONG): subseg_change (text_section, 0); fix_new (fragP, (int) (fragP->fr_fix) + 2, 4, fragP->fr_symbol, - (symbolS *) 0, fragP->fr_offset + 2, 1, NO_RELOC); + fragP->fr_offset + 2, 1, NO_RELOC); *buffer_address++ = 0x01; *buffer_address++ = 0x70; fragP->fr_fix += 2; @@ -4270,20 +4278,20 @@ md_estimate_size_before_relax (fragP, segment) if (fragP->fr_opcode[0] == 0x61) { fragP->fr_opcode[0] = 0x4E; - fragP->fr_opcode[1] = 0xB9; /* JBSR with ABSL LONG offset */ + fragP->fr_opcode[1] = (char) 0xB9; /* JBSR with ABSL LONG offset */ subseg_change (text_section, 0); fix_new (fragP, fragP->fr_fix, 4, - fragP->fr_symbol, 0, fragP->fr_offset, 0, NO_RELOC); + fragP->fr_symbol, fragP->fr_offset, 0, NO_RELOC); fragP->fr_fix += 4; frag_wane (fragP); } else if (fragP->fr_opcode[0] == 0x60) { fragP->fr_opcode[0] = 0x4E; - fragP->fr_opcode[1] = 0xF9; /* JMP with ABSL LONG offset */ + fragP->fr_opcode[1] = (char) 0xF9; /* JMP with ABSL LONG offset */ subseg_change (text_section, 0); fix_new (fragP, fragP->fr_fix, 4, - fragP->fr_symbol, 0, fragP->fr_offset, 0, NO_RELOC); + fragP->fr_symbol, fragP->fr_offset, 0, NO_RELOC); fragP->fr_fix += 4; frag_wane (fragP); } @@ -4295,9 +4303,9 @@ md_estimate_size_before_relax (fragP, segment) else { /* Symbol is still undefined. Make it simple */ fix_new (fragP, (int) (fragP->fr_fix), 4, fragP->fr_symbol, - (symbolS *) 0, fragP->fr_offset + 4, 1, NO_RELOC); + fragP->fr_offset + 4, 1, NO_RELOC); fragP->fr_fix += 4; - fragP->fr_opcode[1] = 0xff; + fragP->fr_opcode[1] = (char) 0xff; frag_wane (fragP); break; } @@ -4351,10 +4359,10 @@ md_estimate_size_before_relax (fragP, segment) fragP->fr_opcode[1] = 0x04; /* branch offset = 6 */ /* JF: these were fr_opcode[2,3] */ buffer_address[0] = 0x4e; /* put in jmp long (0x4ef9) */ - buffer_address[1] = 0xf8; + buffer_address[1] = (char) 0xf8; fragP->fr_fix += 2; /* account for jmp instruction */ subseg_change (text_section, 0); - fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, 0, + fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, fragP->fr_offset, 0, NO_RELOC); fragP->fr_fix += 2; } @@ -4363,10 +4371,10 @@ md_estimate_size_before_relax (fragP, segment) fragP->fr_opcode[1] = 0x06; /* branch offset = 6 */ /* JF: these were fr_opcode[2,3] */ buffer_address[0] = 0x4e; /* put in jmp long (0x4ef9) */ - buffer_address[1] = 0xf9; + buffer_address[1] = (char) 0xf9; fragP->fr_fix += 2; /* account for jmp instruction */ subseg_change (text_section, 0); - fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0, + fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, fragP->fr_offset, 0, NO_RELOC); fragP->fr_fix += 4; } @@ -4394,12 +4402,10 @@ md_estimate_size_before_relax (fragP, segment) /* JF: these were fr_opcode[5-7] */ buffer_address[3] = 0x04; /* plus 4 */ buffer_address[4] = 0x4e; /* Put in Jump Word */ - buffer_address[5] = 0xf8; + buffer_address[5] = (char) 0xf8; fragP->fr_fix += 6; /* account for bra/jmp instruction */ subseg_change (text_section, 0); - fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, 0, - - + fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, fragP->fr_offset, 0, NO_RELOC); fragP->fr_fix += 2; } @@ -4408,10 +4414,10 @@ md_estimate_size_before_relax (fragP, segment) /* JF: these were fr_opcode[5-7] */ buffer_address[3] = 0x06; /* Plus 6 */ buffer_address[4] = 0x4e; /* put in jmp long (0x4ef9) */ - buffer_address[5] = 0xf9; + buffer_address[5] = (char) 0xf9; fragP->fr_fix += 6; /* account for bra/jmp instruction */ subseg_change (text_section, 0); - fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0, + fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, fragP->fr_offset, 0, NO_RELOC); fragP->fr_fix += 4; } @@ -4560,8 +4566,8 @@ md_create_long_jump (ptr, from_addr, to_addr, frag, to_symbol) offset = to_addr - S_GET_VALUE (to_symbol); md_number_to_chars (ptr, (valueT) 0x4EF9, 2); md_number_to_chars (ptr + 2, (valueT) offset, 4); - fix_new (frag, (ptr + 2) - frag->fr_literal, 4, to_symbol, (symbolS *) 0, (long) 0, 0, - NO_RELOC); + fix_new (frag, (ptr + 2) - frag->fr_literal, 4, to_symbol, (offsetT) 0, + 0, NO_RELOC); } else { @@ -4660,18 +4666,12 @@ get_num (exp, ok) save_in = input_line_pointer; input_line_pointer = exp->e_beg; section = expression (&exp->e_exp); - if (section == pass1_section) - { - seg (exp) = absolute_section; - adds (exp) = 0; - subs (exp) = 0; - offs (exp) = (ok == 10) ? 1 : 0; - as_warn ("Unknown expression: '%s' defaulting to %d", exp->e_beg, offs (exp)); - } - else if (section == absent_section) + seg (exp) = section; + if (exp->e_exp.X_op == O_absent) { /* Do the same thing the VAX asm does */ seg (exp) = absolute_section; + op (exp) = O_constant; adds (exp) = 0; subs (exp) = 0; offs (exp) = 0; @@ -4681,7 +4681,7 @@ get_num (exp, ok) offs (exp) = 1; } } - else if (section == absolute_section) + else if (exp->e_exp.X_op == O_constant) { switch (ok) { @@ -4728,9 +4728,9 @@ get_num (exp, ok) break; } } - else if (section == big_section) + else if (exp->e_exp.X_op == O_big) { - if (offs (exp) < 0 /* flonum */ + if (offs (exp) <= 0 /* flonum */ && (ok == 80 /* no bignums */ || (ok > 10 /* small-int ranges including 0 ok */ /* If we have a flonum zero, a zero integer should @@ -4743,6 +4743,7 @@ get_num (exp, ok) gen_to_words (words, 2, 8L); /* These numbers are magic! */ seg (exp) = absolute_section; + op (exp) = O_constant; adds (exp) = 0; subs (exp) = 0; offs (exp) = words[1] | (words[0] << 16); @@ -4750,6 +4751,7 @@ get_num (exp, ok) else if (ok != 0) { seg (exp) = absolute_section; + op (exp) = O_constant; adds (exp) = 0; subs (exp) = 0; offs (exp) = (ok == 10) ? 1 : 0; @@ -4761,6 +4763,7 @@ get_num (exp, ok) if (ok >= 10 && ok <= 70) { seg (exp) = absolute_section; + op (exp) = O_constant; adds (exp) = 0; subs (exp) = 0; offs (exp) = (ok == 10) ? 1 : 0; @@ -4794,31 +4797,35 @@ get_num (exp, ok) void demand_empty_rest_of_line (); /* Hate those extra verbose names */ static void -s_data1 () +s_data1 (ignore) + int ignore; { - subseg_new (data_section, 1); + subseg_set (data_section, 1); demand_empty_rest_of_line (); } static void -s_data2 () +s_data2 (ignore) + int ignore; { - subseg_new (data_section, 2); + subseg_set (data_section, 2); demand_empty_rest_of_line (); } static void -s_bss () +s_bss (ignore) + int ignore; { /* We don't support putting frags in the BSS segment, we fake it by marking in_bss, then looking at s_skip for clues. */ - subseg_new (bss_section, 0); + subseg_set (bss_section, 0); demand_empty_rest_of_line (); } static void -s_even () +s_even (ignore) + int ignore; { register int temp; register long temp_fill; @@ -4831,7 +4838,8 @@ s_even () } static void -s_proc () +s_proc (ignore) + int ignore; { demand_empty_rest_of_line (); } |