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authorKen Raeburn <raeburn@cygnus>1992-11-23 20:42:33 +0000
committerKen Raeburn <raeburn@cygnus>1992-11-23 20:42:33 +0000
commit355afbcd8b1a0253180ac565f8e7a18afdfc5977 (patch)
tree9c89a5d0eb2513cdbcbdd7cecb48dd714ccdcdc6 /gas/config/tc-m68k.c
parent6efd877de5ab683fc5d7c216049f9f888bf18828 (diff)
downloadgdb-355afbcd8b1a0253180ac565f8e7a18afdfc5977.zip
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Ran "indent", for GNU coding style; some code & comments still need fixup.
Removed some unneeded files. obj-coff.c (obj_coff_endef): Use as_warn, not fprintf. tc-m68k.c (md_assemble): 68000+68881 is okay -- could be emulating.
Diffstat (limited to 'gas/config/tc-m68k.c')
-rw-r--r--gas/config/tc-m68k.c7340
1 files changed, 3928 insertions, 3412 deletions
diff --git a/gas/config/tc-m68k.c b/gas/config/tc-m68k.c
index 775f930..dea873d 100644
--- a/gas/config/tc-m68k.c
+++ b/gas/config/tc-m68k.c
@@ -34,7 +34,7 @@
the a.out file. The 2<<16 means that this is a 68020 file instead
of an old-style 68000 file */
-long omagic = 2<<16|OMAGIC; /* Magic byte for header file */
+long omagic = 2 << 16 | OMAGIC; /* Magic byte for header file */
#else
long omagic = OMAGIC;
#endif
@@ -141,194 +141,202 @@ static struct obstack robyn;
*/
-enum operand_type {
- IMMED = 1,
- DREG,
- AREG,
- AINDR,
- ADEC,
- AINC,
- AOFF,
- AINDX,
- APODX,
- AMIND,
- APRDX,
- ABSL,
- MSCR,
- REGLST,
- DINDR
-};
-
-
-struct m68k_exp {
- char *e_beg;
- char *e_end;
- expressionS e_exp;
- short e_siz; /* 0== default 1==short/byte 2==word 3==long */
-};
+enum operand_type
+ {
+ IMMED = 1,
+ DREG,
+ AREG,
+ AINDR,
+ ADEC,
+ AINC,
+ AOFF,
+ AINDX,
+ APODX,
+ AMIND,
+ APRDX,
+ ABSL,
+ MSCR,
+ REGLST,
+ DINDR
+ };
+
+
+struct m68k_exp
+ {
+ char *e_beg;
+ char *e_end;
+ expressionS e_exp;
+ short e_siz; /* 0== default 1==short/byte 2==word 3==long */
+ };
/* DATA and ADDR have to be contiguous, so that reg-DATA gives 0-7==data reg,
8-15==addr reg for operands that take both types */
-enum _register {
- DATA = 1, /* 1- 8 == data registers 0-7 */
- DATA0 = DATA,
- DATA1,
- DATA2,
- DATA3,
- DATA4,
- DATA5,
- DATA6,
- DATA7,
-
- ADDR,
- ADDR0 = ADDR,
- ADDR1,
- ADDR2,
- ADDR3,
- ADDR4,
- ADDR5,
- ADDR6,
- ADDR7,
-
- /* Note that COPNUM==processor #1 -- COPNUM+7==#8, which stores as 000 */
- /* I think. . . */
-
- SP = ADDR7,
-
- FPREG, /* Eight FP registers */
- FP0 = FPREG,
- FP1,
- FP2,
- FP3,
- FP4,
- FP5,
- FP6,
- FP7,
- COPNUM = (FPREG+8), /* Co-processor #1-#8 */
- COP0 = COPNUM,
- COP1,
- COP2,
- COP3,
- COP4,
- COP5,
- COP6,
- COP7,
- PC, /* Program counter */
- ZPC, /* Hack for Program space, but 0 addressing */
- SR, /* Status Reg */
- CCR, /* Condition code Reg */
-
- /* These have to be in order for the movec instruction to work. */
- USP, /* User Stack Pointer */
- ISP, /* Interrupt stack pointer */
- SFC,
- DFC,
- CACR,
- VBR,
- CAAR,
- MSP,
- ITT0,
- ITT1,
- DTT0,
- DTT1,
- MMUSR,
- TC,
- SRP,
- URP,
- /* end of movec ordering constraints */
-
- FPI,
- FPS,
- FPC,
-
- DRP, /* 68851 or 68030 MMU regs */
- CRP,
- CAL,
- VAL,
- SCC,
- AC,
- BAD,
- BAD0 = BAD,
- BAD1,
- BAD2,
- BAD3,
- BAD4,
- BAD5,
- BAD6,
- BAD7,
- BAC,
- BAC0 = BAC,
- BAC1,
- BAC2,
- BAC3,
- BAC4,
- BAC5,
- BAC6,
- BAC7,
- PSR, /* aka MMUSR on 68030 (but not MMUSR on 68040)
+enum _register
+ {
+ DATA = 1, /* 1- 8 == data registers 0-7 */
+ DATA0 = DATA,
+ DATA1,
+ DATA2,
+ DATA3,
+ DATA4,
+ DATA5,
+ DATA6,
+ DATA7,
+
+ ADDR,
+ ADDR0 = ADDR,
+ ADDR1,
+ ADDR2,
+ ADDR3,
+ ADDR4,
+ ADDR5,
+ ADDR6,
+ ADDR7,
+
+ /* Note that COPNUM==processor #1 -- COPNUM+7==#8, which stores as 000 */
+ /* I think. . . */
+
+ SP = ADDR7,
+
+ FPREG, /* Eight FP registers */
+ FP0 = FPREG,
+ FP1,
+ FP2,
+ FP3,
+ FP4,
+ FP5,
+ FP6,
+ FP7,
+ COPNUM = (FPREG + 8), /* Co-processor #1-#8 */
+ COP0 = COPNUM,
+ COP1,
+ COP2,
+ COP3,
+ COP4,
+ COP5,
+ COP6,
+ COP7,
+ PC, /* Program counter */
+ ZPC, /* Hack for Program space, but 0 addressing */
+ SR, /* Status Reg */
+ CCR, /* Condition code Reg */
+
+ /* These have to be in order for the movec instruction to work. */
+ USP, /* User Stack Pointer */
+ ISP, /* Interrupt stack pointer */
+ SFC,
+ DFC,
+ CACR,
+ VBR,
+ CAAR,
+ MSP,
+ ITT0,
+ ITT1,
+ DTT0,
+ DTT1,
+ MMUSR,
+ TC,
+ SRP,
+ URP,
+ /* end of movec ordering constraints */
+
+ FPI,
+ FPS,
+ FPC,
+
+ DRP, /* 68851 or 68030 MMU regs */
+ CRP,
+ CAL,
+ VAL,
+ SCC,
+ AC,
+ BAD,
+ BAD0 = BAD,
+ BAD1,
+ BAD2,
+ BAD3,
+ BAD4,
+ BAD5,
+ BAD6,
+ BAD7,
+ BAC,
+ BAC0 = BAC,
+ BAC1,
+ BAC2,
+ BAC3,
+ BAC4,
+ BAC5,
+ BAC6,
+ BAC7,
+ PSR, /* aka MMUSR on 68030 (but not MMUSR on 68040)
and ACUSR on 68ec030 */
- PCSR,
+ PCSR,
- IC, /* instruction cache token */
- DC, /* data cache token */
- NC, /* no cache token */
- BC, /* both caches token */
+ IC, /* instruction cache token */
+ DC, /* data cache token */
+ NC, /* no cache token */
+ BC, /* both caches token */
- TT0, /* 68030 access control unit regs */
- TT1,
-};
+ TT0, /* 68030 access control unit regs */
+ TT1,
+ };
/* Internal form of an operand. */
-struct m68k_op {
- char *error; /* Couldn't parse it */
- enum operand_type mode; /* What mode this instruction is in. */
- enum _register reg; /* Base register */
- struct m68k_exp *con1;
- int ireg; /* Index register */
- int isiz; /* 0==unspec 1==byte(?) 2==short 3==long */
- int imul; /* Multipy ireg by this (1,2,4,or 8) */
- struct m68k_exp *con2;
-};
+struct m68k_op
+ {
+ char *error; /* Couldn't parse it */
+ enum operand_type mode; /* What mode this instruction is in. */
+ enum _register reg; /* Base register */
+ struct m68k_exp *con1;
+ int ireg; /* Index register */
+ int isiz; /* 0==unspec 1==byte(?) 2==short 3==long */
+ int imul; /* Multipy ireg by this (1,2,4,or 8) */
+ struct m68k_exp *con2;
+ };
/* internal form of a 68020 instruction */
-struct m68k_it {
- char *error;
- char *args; /* list of opcode info */
- int numargs;
-
- int numo; /* Number of shorts in opcode */
- short opcode[11];
-
- struct m68k_op operands[6];
-
- int nexp; /* number of exprs in use */
- struct m68k_exp exprs[4];
-
- int nfrag; /* Number of frags we have to produce */
- struct {
- int fragoff; /* Where in the current opcode[] the frag ends */
- symbolS *fadd;
- long foff;
- int fragty;
- } fragb[4];
-
- int nrel; /* Num of reloc strucs in use */
- struct {
- int n;
- symbolS *add,
- *sub;
- long off;
- char wid;
- char pcrel;
- } reloc[5]; /* Five is enough??? */
-};
+struct m68k_it
+ {
+ char *error;
+ char *args; /* list of opcode info */
+ int numargs;
+
+ int numo; /* Number of shorts in opcode */
+ short opcode[11];
+
+ struct m68k_op operands[6];
+
+ int nexp; /* number of exprs in use */
+ struct m68k_exp exprs[4];
+
+ int nfrag; /* Number of frags we have to produce */
+ struct
+ {
+ int fragoff; /* Where in the current opcode[] the frag ends */
+ symbolS *fadd;
+ long foff;
+ int fragty;
+ }
+ fragb[4];
+
+ int nrel; /* Num of reloc strucs in use */
+ struct
+ {
+ int n;
+ symbolS *add, *sub;
+ long off;
+ char wid;
+ char pcrel;
+ }
+ reloc[5]; /* Five is enough??? */
+ };
#define cpu_of_arch(x) ((x) & m68000up)
#define float_of_arch(x) ((x) & mfloat)
#define mmu_of_arch(x) ((x) & mmmu)
-static struct m68k_it the_ins; /* the instruction being assembled */
+static struct m68k_it the_ins; /* the instruction being assembled */
/* Macros for adding things to the m68k_it struct */
@@ -378,14 +386,15 @@ static struct m68k_it the_ins; /* the instruction being assembled */
#define offs(exp) ((exp)->e_exp.X_add_number)
-struct m68k_incant {
- char *m_operands;
- unsigned long m_opcode;
- short m_opnum;
- short m_codenum;
- int m_arch;
- struct m68k_incant *m_next;
-};
+struct m68k_incant
+ {
+ char *m_operands;
+ unsigned long m_opcode;
+ short m_opnum;
+ short m_codenum;
+ int m_arch;
+ struct m68k_incant *m_next;
+ };
@@ -395,36 +404,36 @@ struct m68k_incant {
#if __STDC__ == 1
-static char *crack_operand(char *str, struct m68k_op *opP);
-static int get_num(struct m68k_exp *exp, int ok);
-static int get_regs(int i, char *str, struct m68k_op *opP);
-static int reverse_16_bits(int in);
-static int reverse_8_bits(int in);
-static int try_index(char **s, struct m68k_op *opP);
-static void install_gen_operand(int mode, int val);
-static void install_operand(int mode, int val);
-static void s_bss(void);
-static void s_data1(void);
-static void s_data2(void);
-static void s_even(void);
-static void s_proc(void);
+static char *crack_operand (char *str, struct m68k_op *opP);
+static int get_num (struct m68k_exp *exp, int ok);
+static int get_regs (int i, char *str, struct m68k_op *opP);
+static int reverse_16_bits (int in);
+static int reverse_8_bits (int in);
+static int try_index (char **s, struct m68k_op *opP);
+static void install_gen_operand (int mode, int val);
+static void install_operand (int mode, int val);
+static void s_bss (void);
+static void s_data1 (void);
+static void s_data2 (void);
+static void s_even (void);
+static void s_proc (void);
#else /* not __STDC__ */
-static char *crack_operand();
-static int get_num();
-static int get_regs();
-static int reverse_16_bits();
-static int reverse_8_bits();
-static int try_index();
-static void install_gen_operand();
-static void install_operand();
-static void s_bss();
-void s_align_bytes();
-static void s_data1();
-static void s_data2();
-static void s_even();
-static void s_proc();
+static char *crack_operand ();
+static int get_num ();
+static int get_regs ();
+static int reverse_16_bits ();
+static int reverse_8_bits ();
+static int try_index ();
+static void install_gen_operand ();
+static void install_operand ();
+static void s_bss ();
+void s_align_bytes ();
+static void s_data1 ();
+static void s_data2 ();
+static void s_even ();
+static void s_proc ();
#endif /* not __STDC__ */
@@ -446,43 +455,44 @@ static int current_architecture = 0;
Which mode to go to if the offset won't fit in this one
*/
const relax_typeS
- md_relax_table[] = {
- { 1, 1, 0, 0 }, /* First entries aren't used */
- { 1, 1, 0, 0 }, /* For no good reason except */
- { 1, 1, 0, 0 }, /* that the VAX doesn't either */
- { 1, 1, 0, 0 },
-
- { (127), (-128), 0, TAB(ABRANCH,SHORT)},
- { (32767), (-32768), 2, TAB(ABRANCH,LONG) },
- { 0, 0, 4, 0 },
- { 1, 1, 0, 0 },
-
- { 1, 1, 0, 0 }, /* FBRANCH doesn't come BYTE */
- { (32767), (-32768), 2, TAB(FBRANCH,LONG)},
- { 0, 0, 4, 0 },
- { 1, 1, 0, 0 },
-
- { 1, 1, 0, 0 }, /* PCREL doesn't come BYTE */
- { (32767), (-32768), 2, TAB(PCREL,LONG)},
- { 0, 0, 4, 0 },
- { 1, 1, 0, 0 },
-
- { (127), (-128), 0, TAB(BCC68000,SHORT)},
- { (32767), (-32768), 2, TAB(BCC68000,LONG) },
- { 0, 0, 6, 0 }, /* jmp long space */
- { 1, 1, 0, 0 },
-
- { 1, 1, 0, 0 }, /* DBCC doesn't come BYTE */
- { (32767), (-32768), 2, TAB(DBCC,LONG) },
- { 0, 0, 10, 0 }, /* bra/jmp long space */
- { 1, 1, 0, 0 },
-
- { 1, 1, 0, 0 }, /* PCLEA doesn't come BYTE */
- { 32767, -32768, 2, TAB(PCLEA,LONG) },
- { 0, 0, 6, 0 },
- { 1, 1, 0, 0 },
-
- };
+ md_relax_table[] =
+{
+ {1, 1, 0, 0}, /* First entries aren't used */
+ {1, 1, 0, 0}, /* For no good reason except */
+ {1, 1, 0, 0}, /* that the VAX doesn't either */
+ {1, 1, 0, 0},
+
+ {(127), (-128), 0, TAB (ABRANCH, SHORT)},
+ {(32767), (-32768), 2, TAB (ABRANCH, LONG)},
+ {0, 0, 4, 0},
+ {1, 1, 0, 0},
+
+ {1, 1, 0, 0}, /* FBRANCH doesn't come BYTE */
+ {(32767), (-32768), 2, TAB (FBRANCH, LONG)},
+ {0, 0, 4, 0},
+ {1, 1, 0, 0},
+
+ {1, 1, 0, 0}, /* PCREL doesn't come BYTE */
+ {(32767), (-32768), 2, TAB (PCREL, LONG)},
+ {0, 0, 4, 0},
+ {1, 1, 0, 0},
+
+ {(127), (-128), 0, TAB (BCC68000, SHORT)},
+ {(32767), (-32768), 2, TAB (BCC68000, LONG)},
+ {0, 0, 6, 0}, /* jmp long space */
+ {1, 1, 0, 0},
+
+ {1, 1, 0, 0}, /* DBCC doesn't come BYTE */
+ {(32767), (-32768), 2, TAB (DBCC, LONG)},
+ {0, 0, 10, 0}, /* bra/jmp long space */
+ {1, 1, 0, 0},
+
+ {1, 1, 0, 0}, /* PCLEA doesn't come BYTE */
+ {32767, -32768, 2, TAB (PCLEA, LONG)},
+ {0, 0, 6, 0},
+ {1, 1, 0, 0},
+
+};
/* These are the machine dependent pseudo-ops. These are included so
the assembler can work on the output from the SUN C compiler, which
@@ -495,43 +505,44 @@ const relax_typeS
function to call to execute this pseudo-op
Integer arg to pass to the function
*/
-const pseudo_typeS md_pseudo_table[] = {
- { "data1", s_data1, 0 },
- { "data2", s_data2, 0 },
- { "bss", s_bss, 0 },
- { "even", s_even, 0 },
- { "skip", s_space, 0 },
- { "proc", s_proc, 0 },
+const pseudo_typeS md_pseudo_table[] =
+{
+ {"data1", s_data1, 0},
+ {"data2", s_data2, 0},
+ {"bss", s_bss, 0},
+ {"even", s_even, 0},
+ {"skip", s_space, 0},
+ {"proc", s_proc, 0},
#ifdef TE_SUN3
- { "align", s_align_bytes, 0 },
+ {"align", s_align_bytes, 0},
#endif
- { 0, 0, 0 }
+ {0, 0, 0}
};
/* The mote pseudo ops are put into the opcode table, since they
- don't start with a . they look like opcodes to gas.
+ don't start with a . they look like opcodes to gas.
*/
-extern void obj_coff_section();
+extern void obj_coff_section ();
const pseudo_typeS mote_pseudo_table[] =
{
- { "dc.l", cons,4},
- { "dc", cons,2},
- { "dc.w", cons,2},
- { "dc.b", cons,1},
+ {"dc.l", cons, 4},
+ {"dc", cons, 2},
+ {"dc.w", cons, 2},
+ {"dc.b", cons, 1},
- { "ds.l", s_space,4},
- { "ds", s_space,2},
- { "ds.w", s_space,2},
- { "ds.b", s_space,1},
+ {"ds.l", s_space, 4},
+ {"ds", s_space, 2},
+ {"ds.w", s_space, 2},
+ {"ds.b", s_space, 1},
- { "xdef", s_globl, 0},
- { "align", s_align_ptwo, 0},
+ {"xdef", s_globl, 0},
+ {"align", s_align_ptwo, 0},
#ifdef M68KCOFF
- { "sect", obj_coff_section,0},
- { "section", obj_coff_section,0},
+ {"sect", obj_coff_section, 0},
+ {"section", obj_coff_section, 0},
#endif
0,
};
@@ -550,10 +561,11 @@ const pseudo_typeS mote_pseudo_table[] =
extern char *input_line_pointer;
-enum {
- FAIL = 0,
- OK = 1,
-};
+enum
+ {
+ FAIL = 0,
+ OK = 1,
+ };
/* JF these tables here are for speed at the expense of size */
/* You can replace them with the #if 0 versions if you really
@@ -579,8 +591,9 @@ static char alt_notend_table[256];
* advance the pointer.
*/
-enum _register m68k_reg_parse(ccp)
-register char **ccp;
+enum _register
+m68k_reg_parse (ccp)
+ register char **ccp;
{
char *start = *ccp;
char c;
@@ -600,19 +613,19 @@ register char **ccp;
return FAIL;
c = *p++;
- while (isalpha(c) || isdigit(c) || c == '_')
+ while (isalpha (c) || isdigit (c) || c == '_')
{
c = *p++;
}
- * -- p = 0;
- symbolP = symbol_find(start);
- *p = c;
+ *--p = 0;
+ symbolP = symbol_find (start);
+ *p = c;
- if (symbolP && S_GET_SEGMENT(symbolP) == SEG_REGISTER)
+ if (symbolP && S_GET_SEGMENT (symbolP) == SEG_REGISTER)
{
*ccp = p;
- return S_GET_VALUE(symbolP);
+ return S_GET_VALUE (symbolP);
}
return FAIL;
@@ -624,69 +637,81 @@ register char **ccp;
/* Parse an index specification using Motorola syntax. */
static int
-try_moto_index(s,opP)
-char **s;
-struct m68k_op *opP;
+try_moto_index (s, opP)
+ char **s;
+ struct m68k_op *opP;
{
- register int i;
- char *ss;
-
- ss= *s;
- /* SKIP_W(); */
- if(*ss==' ') ss++;
- i=m68k_reg_parse(&ss);
- if(!(i>=DATA+0 && i<=ADDR+7)) { /* if i is not DATA or ADDR reg */
- opP->error="Invalid index register";
- *s=ss;
- return FAIL;
- }
- opP->ireg=i;
- /* SKIP_W(); */
- if(*ss==')') {
- opP->isiz=0;
- opP->imul=1;
- SKIP_W();
- *s=ss;
- return OK;
- }
- if(*ss!='.') {
- opP->error="Missing . in index register";
- *s=ss;
- return FAIL;
- }
- SKIP_W();
- if(mklower(*ss)=='w') opP->isiz=2;
- else if(mklower(*ss)=='l') opP->isiz=3;
- else {
- opP->error="Size spec not .W or .L";
- *s=ss;
- return FAIL;
- }
- SKIP_W();
- if(*ss=='.' || *ss=='*') {
- SKIP_W();
- switch(*ss) {
- case '1':
- case '2':
- case '4':
- case '8':
- opP->imul= *ss-'0';
- break;
- default:
- opP->error="index multiplier not 1, 2, 4 or 8";
- *s=ss;
- return FAIL;
- }
- SKIP_W();
- } else opP->imul=1;
- if(*ss!=')') {
- opP->error="Missing )";
- *s=ss;
- return FAIL;
+ register int i;
+ char *ss;
+
+ ss = *s;
+ /* SKIP_W(); */
+ if (*ss == ' ')
+ ss++;
+ i = m68k_reg_parse (&ss);
+ if (!(i >= DATA + 0 && i <= ADDR + 7))
+ { /* if i is not DATA or ADDR reg */
+ opP->error = "Invalid index register";
+ *s = ss;
+ return FAIL;
+ }
+ opP->ireg = i;
+ /* SKIP_W(); */
+ if (*ss == ')')
+ {
+ opP->isiz = 0;
+ opP->imul = 1;
+ SKIP_W ();
+ *s = ss;
+ return OK;
+ }
+ if (*ss != '.')
+ {
+ opP->error = "Missing . in index register";
+ *s = ss;
+ return FAIL;
+ }
+ SKIP_W ();
+ if (mklower (*ss) == 'w')
+ opP->isiz = 2;
+ else if (mklower (*ss) == 'l')
+ opP->isiz = 3;
+ else
+ {
+ opP->error = "Size spec not .W or .L";
+ *s = ss;
+ return FAIL;
+ }
+ SKIP_W ();
+ if (*ss == '.' || *ss == '*')
+ {
+ SKIP_W ();
+ switch (*ss)
+ {
+ case '1':
+ case '2':
+ case '4':
+ case '8':
+ opP->imul = *ss - '0';
+ break;
+ default:
+ opP->error = "index multiplier not 1, 2, 4 or 8";
+ *s = ss;
+ return FAIL;
}
- SKIP_W();
- *s=ss;
- return OK;
+ SKIP_W ();
+ }
+ else
+ opP->imul = 1;
+ if (*ss != ')')
+ {
+ opP->error = "Missing )";
+ *s = ss;
+ return FAIL;
+ }
+ SKIP_W ();
+ *s = ss;
+ return OK;
}
/*
@@ -706,80 +731,91 @@ struct m68k_op *opP;
*
*/
-static int try_index(s,opP)
-char **s;
-struct m68k_op *opP;
+static int
+try_index (s, opP)
+ char **s;
+ struct m68k_op *opP;
{
- register int i;
- char *ss;
-
- ss= *s;
- /* SKIP_W(); */
- i=m68k_reg_parse(&ss);
- if(!(i>=DATA+0 && i<=ADDR+7)) { /* if i is not DATA or ADDR reg */
- *s=ss;
- return FAIL;
- }
- opP->ireg=i;
- /* SKIP_W(); */
- if(*ss==')') {
- opP->isiz=0;
- opP->imul=1;
- SKIP_W();
- *s=ss;
- return OK;
- }
- if(*ss!=':') {
- opP->error="Missing : in index register";
- *s=ss;
- return FAIL;
- }
- SKIP_W();
- switch(*ss) {
- case 'w':
- case 'W':
- opP->isiz=2;
- break;
- case 'l':
- case 'L':
- opP->isiz=3;
- break;
+ register int i;
+ char *ss;
+
+ ss = *s;
+ /* SKIP_W(); */
+ i = m68k_reg_parse (&ss);
+ if (!(i >= DATA + 0 && i <= ADDR + 7))
+ { /* if i is not DATA or ADDR reg */
+ *s = ss;
+ return FAIL;
+ }
+ opP->ireg = i;
+ /* SKIP_W(); */
+ if (*ss == ')')
+ {
+ opP->isiz = 0;
+ opP->imul = 1;
+ SKIP_W ();
+ *s = ss;
+ return OK;
+ }
+ if (*ss != ':')
+ {
+ opP->error = "Missing : in index register";
+ *s = ss;
+ return FAIL;
+ }
+ SKIP_W ();
+ switch (*ss)
+ {
+ case 'w':
+ case 'W':
+ opP->isiz = 2;
+ break;
+ case 'l':
+ case 'L':
+ opP->isiz = 3;
+ break;
+ default:
+ opP->error = "Index register size spec not :w or :l";
+ *s = ss;
+ return FAIL;
+ }
+ SKIP_W ();
+ if (*ss == ':')
+ {
+ SKIP_W ();
+ switch (*ss)
+ {
+ case '1':
+ case '2':
+ case '4':
+ case '8':
+ if (cpu_of_arch (current_architecture) < m68020)
+ {
+ opP->error = "no index scaling in pre-68020's";
+ *s = ss;
+ return FAIL;
+ }
+ opP->imul = *ss - '0';
+ break;
default:
- opP->error="Index register size spec not :w or :l";
- *s=ss;
- return FAIL;
- }
- SKIP_W();
- if(*ss==':') {
- SKIP_W();
- switch(*ss) {
- case '1':
- case '2':
- case '4':
- case '8':
- if (cpu_of_arch(current_architecture) < m68020) {
- opP->error="no index scaling in pre-68020's";
- *s=ss;
- return FAIL;
- }
- opP->imul= *ss-'0';
- break;
- default:
- opP->error="index multiplier not 1, 2, 4 or 8";
- *s=ss;
- return FAIL;
- }
- SKIP_W();
- } else opP->imul=1;
- if(*ss!=')') {
- opP->error="Missing )";
- *s=ss;
- return FAIL;
+ opP->error = "index multiplier not 1, 2, 4 or 8";
+ *s = ss;
+ return FAIL;
}
- SKIP_W();
- *s=ss;
- return OK;
-} /* try_index() */
+ SKIP_W ();
+ }
+ else
+ opP->imul = 1;
+ if (*ss != ')')
+ {
+ opP->error = "Missing )";
+ *s = ss;
+ return FAIL;
+ }
+ SKIP_W ();
+ *s = ss;
+ return OK;
+} /* try_index() */
/* Ian Taylor expanded this function to accept both MIT and Motorola
syntax. I removed the old comment, since it was wrong. The syntax
@@ -789,90 +825,104 @@ struct m68k_op *opP;
character. */
int
- m68k_ip_op(str,opP)
-char *str;
-register struct m68k_op *opP;
+m68k_ip_op (str, opP)
+ char *str;
+ register struct m68k_op *opP;
{
- char *strend;
- long i;
- char *parse_index();
- int needp;
+ char *strend;
+ long i;
+ char *parse_index ();
+ int needp;
- if (*str==' ') {
- str++;
- } /* Find the beginning of the string */
+ if (*str == ' ')
+ {
+ str++;
+ } /* Find the beginning of the string */
- if(!*str) {
- opP->error="Missing operand";
- return FAIL;
- } /* Out of gas */
+ if (!*str)
+ {
+ opP->error = "Missing operand";
+ return FAIL;
+ } /* Out of gas */
- for(strend = str; *strend; strend++)
- ;
- --strend;
+ for (strend = str; *strend; strend++)
+ ;
+ --strend;
- if(*str=='#') {
- str++;
- opP->con1=add_exp(str,strend);
- opP->mode=IMMED;
- return OK;
- } /* Guess what: A constant. Shar and enjoy */
+ if (*str == '#')
+ {
+ str++;
+ opP->con1 = add_exp (str, strend);
+ opP->mode = IMMED;
+ return OK;
+ } /* Guess what: A constant. Shar and enjoy */
- i = m68k_reg_parse(&str);
+ i = m68k_reg_parse (&str);
- if (i!=FAIL) {
- if(*str=='/' || *str=='-') {
- /* "Rm-Rn/Ro-Rp" Register list for MOVEM instruction */
- opP->mode=REGLST;
- return get_regs(i,str,opP);
- }
- if(*str=='\0') {
- opP->reg=i;
- /* "Rn" Register Direct mode */
- if(i>=DATA+0 && i<=DATA+7)
- opP->mode=DREG;
- else if(i>=ADDR+0 && i<=ADDR+7)
- opP->mode=AREG;
- else
- opP->mode=MSCR;
- return OK;
- }
- }
+ if (i != FAIL)
+ {
+ if (*str == '/' || *str == '-')
+ {
+ /* "Rm-Rn/Ro-Rp" Register list for MOVEM instruction */
+ opP->mode = REGLST;
+ return get_regs (i, str, opP);
+ }
+ if (*str == '\0')
+ {
+ opP->reg = i;
+ /* "Rn" Register Direct mode */
+ if (i >= DATA + 0 && i <= DATA + 7)
+ opP->mode = DREG;
+ else if (i >= ADDR + 0 && i <= ADDR + 7)
+ opP->mode = AREG;
+ else
+ opP->mode = MSCR;
+ return OK;
+ }
+ }
- if (*str!='@') {
- char *stmp;
+ if (*str != '@')
+ {
+ char *stmp;
- if ((stmp=strchr(str,'@')) != 0) {
- opP->con1=add_exp(str,stmp-1);
- if(stmp==strend) {
- opP->mode=AINDX;
- return(OK);
- }
+ if ((stmp = strchr (str, '@')) != 0)
+ {
+ opP->con1 = add_exp (str, stmp - 1);
+ if (stmp == strend)
+ {
+ opP->mode = AINDX;
+ return (OK);
+ }
- if ((current_architecture & m68020up) == 0) {
- return(FAIL);
- } /* if target is not a '20 or better */
+ if ((current_architecture & m68020up) == 0)
+ {
+ return (FAIL);
+ } /* if target is not a '20 or better */
- stmp++;
- if(*stmp++!='(' || *strend--!=')') {
- opP->error="Malformed operand";
- return(FAIL);
- }
- i=try_index(&stmp,opP);
- opP->con2=add_exp(stmp,strend);
+ stmp++;
+ if (*stmp++ != '(' || *strend-- != ')')
+ {
+ opP->error = "Malformed operand";
+ return (FAIL);
+ }
+ i = try_index (&stmp, opP);
+ opP->con2 = add_exp (stmp, strend);
- if (i == FAIL) {
- opP->mode=AMIND;
- } else {
- opP->mode=APODX;
- }
- return(OK);
- } /* if there's an '@' */
+ if (i == FAIL)
+ {
+ opP->mode = AMIND;
+ }
+ else
+ {
+ opP->mode = APODX;
+ }
+ return (OK);
+ } /* if there's an '@' */
#ifndef MIT_SYNTAX_ONLY
- /* The operand has no '@'. Try to parse it using
+ /* The operand has no '@'. Try to parse it using
Motorola syntax. */
- /* Logic of the parsing switch(*str):
+ /* Logic of the parsing switch(*str):
case opP->mode =
---- -----------
#anything IMMED 1
@@ -894,255 +944,303 @@ register struct m68k_op *opP;
EXP2 means not REG and not '(' and not '-('
*/
- if(*str=='(') {
- str++;
- i=m68k_reg_parse(&str);
- if((i<ADDR+0 || i>ADDR+7)
- && (i<DATA+0 || i>DATA+7
- || *str != ')' || str[1] != '0')
- && i!=PC && i!=ZPC && i!=FAIL) {
- /* Can't indirect off non address regs */
- opP->error="Invalid indirect register";
- return FAIL;
- }
- if(i!=FAIL) {
- opP->reg=i;
- if(*str==')') {
- str++;
- if(*str=='\0') {
- /* "(An)" Address Register Indirect mode
+ if (*str == '(')
+ {
+ str++;
+ i = m68k_reg_parse (&str);
+ if ((i < ADDR + 0 || i > ADDR + 7)
+ && (i < DATA + 0 || i > DATA + 7
+ || *str != ')' || str[1] != '0')
+ && i != PC && i != ZPC && i != FAIL)
+ {
+ /* Can't indirect off non address regs */
+ opP->error = "Invalid indirect register";
+ return FAIL;
+ }
+ if (i != FAIL)
+ {
+ opP->reg = i;
+ if (*str == ')')
+ {
+ str++;
+ if (*str == '\0')
+ {
+ /* "(An)" Address Register Indirect mode
or "(Dn)" for cas2. */
- if (i>=DATA+0 && i<=DATA+7)
- opP->mode=DINDR;
- else
- opP->mode=AINDR;
- return OK;
- }
- if(*str=='+') {
- if(str[1]=='\0') {
- /* "(An)+" Register Indirect w Postincrement */
- opP->mode=AINC;
- return OK;
- }
- }
- opP->error="Junk after indirect";
- return FAIL;
- }
- if(*str==',') {
- str++;
- i=try_moto_index(&str,opP);
- if(i==FAIL) return FAIL;
- /* "(An,Rn)" Register Indirect with Index mode*/
- opP->mode=AINDX;
- return OK;
- }
- else {
- opP->error="Bad indirect syntax";
- return FAIL;
- }
- }
- else {
- /* "(EXPR,..." , a displacement */
- char *stmp;
- char *index();
-
- if(stmp=index(str,',')) {
- opP->con1=add_exp(str,stmp-1);
- str=stmp;
- SKIP_WHITE();
- i=m68k_reg_parse(&str);
- if((i<ADDR+0 || i>ADDR+7) && i!=PC && i!=ZPC) {
- /* Can't indirect off non address regs */
- opP->error="Invalid indirect register";
- return FAIL;
- }
- if(i!=FAIL) {
- opP->reg=i;
- if(*str==')') {
- /* "(d,An)" Register Indirect w Displacement */
- opP->mode=AOFF;
- return OK;
- }
- if(*str==',') {
- str++;
- i=try_moto_index(&str,opP);
- if(i==FAIL) return FAIL;
- /* "(d,An,Rn)" Register Indirect with Index */
- opP->mode=AINDX;
- return OK;
- }
- else {
- opP->error="Bad indirect syntax";
- return FAIL;
- }
- }
- else {
- opP->error="Invalid register";
- return FAIL;
- }
- }
- else {
- opP->mode = ABSL;
- opP->con1 = add_exp(str-1,strend);
- return OK;
- }
- }
- }
+ if (i >= DATA + 0 && i <= DATA + 7)
+ opP->mode = DINDR;
+ else
+ opP->mode = AINDR;
+ return OK;
+ }
+ if (*str == '+')
+ {
+ if (str[1] == '\0')
+ {
+ /* "(An)+" Register Indirect w Postincrement */
+ opP->mode = AINC;
+ return OK;
+ }
+ }
+ opP->error = "Junk after indirect";
+ return FAIL;
+ }
+ if (*str == ',')
+ {
+ str++;
+ i = try_moto_index (&str, opP);
+ if (i == FAIL)
+ return FAIL;
+ /* "(An,Rn)" Register Indirect with Index mode*/
+ opP->mode = AINDX;
+ return OK;
+ }
+ else
+ {
+ opP->error = "Bad indirect syntax";
+ return FAIL;
+ }
+ }
+ else
+ {
+ /* "(EXPR,..." , a displacement */
+ char *stmp;
+ char *index ();
+
+ if (stmp = index (str, ','))
+ {
+ opP->con1 = add_exp (str, stmp - 1);
+ str = stmp;
+ SKIP_WHITE ();
+ i = m68k_reg_parse (&str);
+ if ((i < ADDR + 0 || i > ADDR + 7) && i != PC && i != ZPC)
+ {
+ /* Can't indirect off non address regs */
+ opP->error = "Invalid indirect register";
+ return FAIL;
+ }
+ if (i != FAIL)
+ {
+ opP->reg = i;
+ if (*str == ')')
+ {
+ /* "(d,An)" Register Indirect w Displacement */
+ opP->mode = AOFF;
+ return OK;
+ }
+ if (*str == ',')
+ {
+ str++;
+ i = try_moto_index (&str, opP);
+ if (i == FAIL)
+ return FAIL;
+ /* "(d,An,Rn)" Register Indirect with Index */
+ opP->mode = AINDX;
+ return OK;
+ }
+ else
+ {
+ opP->error = "Bad indirect syntax";
+ return FAIL;
+ }
+ }
+ else
+ {
+ opP->error = "Invalid register";
+ return FAIL;
+ }
+ }
+ else
+ {
+ opP->mode = ABSL;
+ opP->con1 = add_exp (str - 1, strend);
+ return OK;
+ }
+ }
+ }
- if(*str=='-') {
- if(str[1]=='(') {
- str = str+2;
- i=m68k_reg_parse(&str);
- if((i<ADDR+0 || i>ADDR+7) && i!=PC && i!=ZPC && i!=FAIL) {
- /* Can't indirect off non address regs */
- opP->error="Invalid indirect register";
- return FAIL;
- }
- if(i!=FAIL) {
- opP->reg=i;
- if(*str==')') {
- str++;
- if(*str=='\0') {
- /* "-(An)" Register Indirect with Predecrement */
- opP->mode=ADEC;
- return OK;
- }
- opP->error="Junk after indirect";
- return FAIL;
- }
- opP->error="Bad indirect syntax";
- return FAIL;
- }
- opP->mode = ABSL;
- opP->con1 = add_exp(str-2,strend);
- return OK;
- }
- /* if '-' but not "-(', do nothing */
- }
+ if (*str == '-')
+ {
+ if (str[1] == '(')
+ {
+ str = str + 2;
+ i = m68k_reg_parse (&str);
+ if ((i < ADDR + 0 || i > ADDR + 7) && i != PC && i != ZPC && i != FAIL)
+ {
+ /* Can't indirect off non address regs */
+ opP->error = "Invalid indirect register";
+ return FAIL;
+ }
+ if (i != FAIL)
+ {
+ opP->reg = i;
+ if (*str == ')')
+ {
+ str++;
+ if (*str == '\0')
+ {
+ /* "-(An)" Register Indirect with Predecrement */
+ opP->mode = ADEC;
+ return OK;
+ }
+ opP->error = "Junk after indirect";
+ return FAIL;
+ }
+ opP->error = "Bad indirect syntax";
+ return FAIL;
+ }
+ opP->mode = ABSL;
+ opP->con1 = add_exp (str - 2, strend);
+ return OK;
+ }
+ /* if '-' but not "-(', do nothing */
+ }
+
+ /* whether *str=='-' or not */
+ {
+ /* "EXP2" or "EXP2(REG..." */
+ char *stmp;
+ char *index ();
+ if (stmp = index (str, '('))
+ {
+ char *ostr = str;
- /* whether *str=='-' or not */
+ opP->con1 = add_exp (str, stmp - 1);
+ str = stmp + 1;
+ i = m68k_reg_parse (&str);
+ if ((i < ADDR + 0 || i > ADDR + 7) && i != PC
+ && i != ZPC && i != FAIL)
+ {
+ /* Can't indirect off non address regs */
+ opP->error = "Invalid indirect register";
+ return FAIL;
+ }
+ if (i != FAIL)
+ {
+ opP->reg = i;
+ if (*str == ')')
{
- /* "EXP2" or "EXP2(REG..." */
- char *stmp;
- char *index();
- if(stmp=index(str,'(')) {
- char *ostr=str;
-
- opP->con1=add_exp(str,stmp-1);
- str=stmp+1;
- i=m68k_reg_parse(&str);
- if((i<ADDR+0 || i>ADDR+7) && i!=PC
- && i!=ZPC && i!=FAIL) {
- /* Can't indirect off non address regs */
- opP->error="Invalid indirect register";
- return FAIL;
- }
- if(i!=FAIL) {
- opP->reg=i;
- if(*str==')') {
- /* "d(An)" Register Indirect w Displacement */
- opP->mode=AOFF;
- return OK;
- }
- if(*str==',') {
- str++;
- i=try_moto_index(&str,opP);
- if(i==FAIL) return FAIL;
- /* "d(An,Rn)" Register Indirect with Index */
- opP->mode=AINDX;
- return OK;
- }
- else {
- opP->error="Bad indirect syntax";
- return FAIL;
- }
- }
- else {
- opP->mode = ABSL;
- opP->con1 = add_exp(ostr,strend);
- return OK;
- }
- }
- else {
- /* "EXP2" Absolute */
- opP->mode=ABSL;
- opP->isiz=0;
- if(strend[-1]=='.' || strend[-1]==':') {
- /* mode ==foo.[wl] */
- switch(*strend) {
- case 'w':
- case 'W':
- opP->isiz=2;
- strend-=2;
- break;
- case 'l':
- case 'L':
- opP->isiz=3;
- strend-=2;
- break;
- }
- }
- opP->con1=add_exp(str,strend);
- return OK;
- }
+ /* "d(An)" Register Indirect w Displacement */
+ opP->mode = AOFF;
+ return OK;
}
- /*NOTREACHED*/
-#else /* defined (MIT_SYNTAX_ONLY) */
- opP->mode=ABSL;
- opP->con1=add_exp(str,strend);
+ if (*str == ',')
+ {
+ str++;
+ i = try_moto_index (&str, opP);
+ if (i == FAIL)
+ return FAIL;
+ /* "d(An,Rn)" Register Indirect with Index */
+ opP->mode = AINDX;
+ return OK;
+ }
+ else
+ {
+ opP->error = "Bad indirect syntax";
+ return FAIL;
+ }
+ }
+ else
+ {
+ opP->mode = ABSL;
+ opP->con1 = add_exp (ostr, strend);
return OK;
-#endif /* defined (MIT_SYNTAX_ONLY) */
}
+ }
+ else
+ {
+ /* "EXP2" Absolute */
+ opP->mode = ABSL;
+ opP->isiz = 0;
+ if (strend[-1] == '.' || strend[-1] == ':')
+ {
+ /* mode ==foo.[wl] */
+ switch (*strend)
+ {
+ case 'w':
+ case 'W':
+ opP->isiz = 2;
+ strend -= 2;
+ break;
+ case 'l':
+ case 'L':
+ opP->isiz = 3;
+ strend -= 2;
+ break;
+ }
+ }
+ opP->con1 = add_exp (str, strend);
+ return OK;
+ }
+ }
+ /*NOTREACHED*/
+#else /* defined (MIT_SYNTAX_ONLY) */
+ opP->mode = ABSL;
+ opP->con1 = add_exp (str, strend);
+ return OK;
+#endif /* defined (MIT_SYNTAX_ONLY) */
+ }
- opP->reg=i;
+ opP->reg = i;
- /* Can't indirect off non address regs, but Dx@ is OK for cas2 */
- if((i<ADDR+0 || i>ADDR+7) && i!=PC && i!=ZPC && i!=FAIL
- && (str[1] != '\0' || i<DATA+0 || i>DATA+7)) {
- opP->error="Invalid indirect register";
- return FAIL;
- }
- know(*str == '@');
+ /* Can't indirect off non address regs, but Dx@ is OK for cas2 */
+ if ((i < ADDR + 0 || i > ADDR + 7) && i != PC && i != ZPC && i != FAIL
+ && (str[1] != '\0' || i < DATA + 0 || i > DATA + 7))
+ {
+ opP->error = "Invalid indirect register";
+ return FAIL;
+ }
+ know (*str == '@');
- str++;
- switch(*str) {
- case '\0':
- if (i<DATA+0 || i>DATA+7)
- opP->mode=AINDR;
- else
- opP->mode=DINDR;
- return OK;
- case '-':
- opP->mode=ADEC;
- return OK;
- case '+':
- opP->mode=AINC;
- return OK;
- case '(':
- str++;
- break;
- default:
- opP->error="Junk after indirect";
- return FAIL;
+ str++;
+ switch (*str)
+ {
+ case '\0':
+ if (i < DATA + 0 || i > DATA + 7)
+ opP->mode = AINDR;
+ else
+ opP->mode = DINDR;
+ return OK;
+ case '-':
+ opP->mode = ADEC;
+ return OK;
+ case '+':
+ opP->mode = AINC;
+ return OK;
+ case '(':
+ str++;
+ break;
+ default:
+ opP->error = "Junk after indirect";
+ return FAIL;
+ }
+ /* Some kind of indexing involved. Lets find out how bad it is */
+ i = try_index (&str, opP);
+ /* Didn't start with an index reg, maybe its offset or offset,reg */
+ if (i == FAIL)
+ {
+ char *beg_str;
+
+ beg_str = str;
+ for (i = 1; i;)
+ {
+ switch (*str++)
+ {
+ case '\0':
+ opP->error = "Missing )";
+ return FAIL;
+ case ',':
+ i = 0;
+ break;
+ case '(':
+ i++;
+ break;
+ case ')':
+ --i;
+ break;
+ }
}
- /* Some kind of indexing involved. Lets find out how bad it is */
- i=try_index(&str,opP);
- /* Didn't start with an index reg, maybe its offset or offset,reg */
- if(i==FAIL) {
- char *beg_str;
-
- beg_str=str;
- for(i=1;i;) {
- switch(*str++) {
- case '\0':
- opP->error="Missing )";
- return FAIL;
- case ',': i=0; break;
- case '(': i++; break;
- case ')': --i; break;
- }
- }
- /* if(str[-3]==':') {
+ /* if(str[-3]==':') {
int siz;
switch(str[-2]) {
@@ -1165,155 +1263,191 @@ register struct m68k_op *opP;
opP->con1=add_exp(beg_str,str-4);
opP->con1->e_siz=siz;
} else */
- opP->con1=add_exp(beg_str,str-2);
- /* Should be offset,reg */
- if(str[-1]==',') {
- i=try_index(&str,opP);
- if(i==FAIL) {
- opP->error="Malformed index reg";
- return FAIL;
- }
- }
+ opP->con1 = add_exp (beg_str, str - 2);
+ /* Should be offset,reg */
+ if (str[-1] == ',')
+ {
+ i = try_index (&str, opP);
+ if (i == FAIL)
+ {
+ opP->error = "Malformed index reg";
+ return FAIL;
+ }
}
- /* We've now got offset) offset,reg) or reg) */
-
- if (*str == '\0') {
- /* Th-the-thats all folks */
- if (opP->reg == FAIL) opP->mode = AINDX; /* Other form of indirect */
- else if(opP->ireg == FAIL) opP->mode = AOFF;
- else opP->mode = AINDX;
- return(OK);
+ }
+ /* We've now got offset) offset,reg) or reg) */
+
+ if (*str == '\0')
+ {
+ /* Th-the-thats all folks */
+ if (opP->reg == FAIL)
+ opP->mode = AINDX; /* Other form of indirect */
+ else if (opP->ireg == FAIL)
+ opP->mode = AOFF;
+ else
+ opP->mode = AINDX;
+ return (OK);
+ }
+ /* Next thing had better be another @ */
+ if (*str == '@')
+ {
+ if (str[1] == '(')
+ {
+ needp = 1;
+ str += 2;
}
- /* Next thing had better be another @ */
- if (*str == '@') {
- if (str[1] == '(') {
- needp = 1;
- str+=2;
- }
- else {
- needp = 0;
- str++;
- }
+ else
+ {
+ needp = 0;
+ str++;
}
+ }
- if ((current_architecture & m68020up) == 0) {
- return(FAIL);
- } /* if target is not a '20 or better */
+ if ((current_architecture & m68020up) == 0)
+ {
+ return (FAIL);
+ } /* if target is not a '20 or better */
- if(opP->ireg != FAIL) {
- opP->mode = APRDX;
+ if (opP->ireg != FAIL)
+ {
+ opP->mode = APRDX;
- i = try_index(&str, opP);
- if (i != FAIL) {
- opP->error = "Two index registers! not allowed!";
- return(FAIL);
- }
- } else {
- i = try_index(&str, opP);
+ i = try_index (&str, opP);
+ if (i != FAIL)
+ {
+ opP->error = "Two index registers! not allowed!";
+ return (FAIL);
}
+ }
+ else
+ {
+ i = try_index (&str, opP);
+ }
- if (i == FAIL) {
- char *beg_str;
+ if (i == FAIL)
+ {
+ char *beg_str;
- beg_str = str;
+ beg_str = str;
- for (i = 1; i; ) {
- switch(*str++) {
- case '\0':
- if (needp)
- opP->error="Missing )";
- return(FAIL);
- break;
- case ',': i=0; break;
- case '(': i++; break;
- case ')': --i; break;
- }
- }
+ for (i = 1; i;)
+ {
+ switch (*str++)
+ {
+ case '\0':
+ if (needp)
+ opP->error = "Missing )";
+ return (FAIL);
+ break;
+ case ',':
+ i = 0;
+ break;
+ case '(':
+ i++;
+ break;
+ case ')':
+ --i;
+ break;
+ }
+ }
- opP->con2=add_exp(beg_str,str-2);
+ opP->con2 = add_exp (beg_str, str - 2);
- if (str[-1] == ',') {
- if (opP->ireg != FAIL) {
- opP->error = "Can't have two index regs";
- return(FAIL);
- }
+ if (str[-1] == ',')
+ {
+ if (opP->ireg != FAIL)
+ {
+ opP->error = "Can't have two index regs";
+ return (FAIL);
+ }
- i = try_index(&str, opP);
+ i = try_index (&str, opP);
- if (i == FAIL) {
- opP->error = "malformed index reg";
- return(FAIL);
- }
+ if (i == FAIL)
+ {
+ opP->error = "malformed index reg";
+ return (FAIL);
+ }
- opP->mode = APODX;
- } else if (opP->ireg != FAIL) {
- opP->mode = APRDX;
- } else {
- opP->mode = AMIND;
- }
- } else {
- opP->mode = APODX;
+ opP->mode = APODX;
}
-
- if(*str!='\0') {
- opP->error="Junk after indirect";
- return FAIL;
+ else if (opP->ireg != FAIL)
+ {
+ opP->mode = APRDX;
+ }
+ else
+ {
+ opP->mode = AMIND;
}
- return(OK);
-} /* m68k_ip_op() */
+ }
+ else
+ {
+ opP->mode = APODX;
+ }
+
+ if (*str != '\0')
+ {
+ opP->error = "Junk after indirect";
+ return FAIL;
+ }
+ return (OK);
+} /* m68k_ip_op() */
#ifdef M68KCOFF
-short tc_coff_fix2rtype(fixP)
-fixS *fixP;
+short
+tc_coff_fix2rtype (fixP)
+ fixS *fixP;
{
- return (fixP->fx_pcrel ?
- (fixP->fx_size == 1 ? R_PCRBYTE :
- fixP->fx_size == 2 ? R_PCRWORD :
- R_PCRLONG):
- (fixP->fx_size == 1 ? R_RELBYTE :
- fixP->fx_size == 2 ? R_RELWORD :
- R_RELLONG));
+ return (fixP->fx_pcrel ?
+ (fixP->fx_size == 1 ? R_PCRBYTE :
+ fixP->fx_size == 2 ? R_PCRWORD :
+ R_PCRLONG) :
+ (fixP->fx_size == 1 ? R_RELBYTE :
+ fixP->fx_size == 2 ? R_RELWORD :
+ R_RELLONG));
}
#endif
-#ifdef TEST1 /* TEST1 tests m68k_ip_op(), which parses operands */
-main()
+#ifdef TEST1 /* TEST1 tests m68k_ip_op(), which parses operands */
+main ()
{
- char buf[128];
- struct m68k_op thark;
+ char buf[128];
+ struct m68k_op thark;
- for(;;) {
- if(!gets(buf))
- break;
- memset(&thark, '\0', sizeof(thark));
- if(!m68k_ip_op(buf,&thark)) printf("FAIL:");
- if(thark.error)
- printf("op1 error %s in %s\n",thark.error,buf);
- printf("mode %d, reg %d, ",thark.mode,thark.reg);
- if(thark.b_const)
- printf("Constant: '%.*s',",1+thark.e_const-thark.b_const,thark.b_const);
- printf("ireg %d, isiz %d, imul %d ",thark.ireg,thark.isiz,thark.imul);
- if(thark.b_iadd)
- printf("Iadd: '%.*s'",1+thark.e_iadd-thark.b_iadd,thark.b_iadd);
- printf("\n");
- }
- exit(0);
+ for (;;)
+ {
+ if (!gets (buf))
+ break;
+ memset (&thark, '\0', sizeof (thark));
+ if (!m68k_ip_op (buf, &thark))
+ printf ("FAIL:");
+ if (thark.error)
+ printf ("op1 error %s in %s\n", thark.error, buf);
+ printf ("mode %d, reg %d, ", thark.mode, thark.reg);
+ if (thark.b_const)
+ printf ("Constant: '%.*s',", 1 + thark.e_const - thark.b_const, thark.b_const);
+ printf ("ireg %d, isiz %d, imul %d ", thark.ireg, thark.isiz, thark.imul);
+ if (thark.b_iadd)
+ printf ("Iadd: '%.*s'", 1 + thark.e_iadd - thark.b_iadd, thark.b_iadd);
+ printf ("\n");
+ }
+ exit (0);
}
#endif
-static struct hash_control* op_hash = NULL; /* handle of the OPCODE hash table
+static struct hash_control *op_hash = NULL; /* handle of the OPCODE hash table
NULL means any use before m68k_ip_begin()
will crash */
-
+
/*
* m 6 8 k _ i p ( )
*
@@ -1339,7 +1473,8 @@ static struct hash_control* op_hash = NULL; /* handle of the OPCODE hash table
*/
/* JF this function no longer returns a useful value. Sorry */
-void m68k_ip (instring)
+void
+m68k_ip (instring)
char *instring;
{
register char *p;
@@ -1349,10 +1484,10 @@ void m68k_ip (instring)
register int tmpreg = 0, baseo = 0, outro = 0, nextword;
char *pdot, *pdotmove;
int siz1, siz2;
- char c;
- int losing;
- int opsfound;
- char *crack_operand();
+ char c;
+ int losing;
+ int opsfound;
+ char *crack_operand ();
LITTLENUM_TYPE words[6];
LITTLENUM_TYPE *wordp;
unsigned long ok_arch = 0;
@@ -1363,652 +1498,705 @@ void m68k_ip (instring)
/* Scan up to end of operation-code, which MUST end in end-of-string
or exactly 1 space. */
pdot = 0;
- for (p = instring; *p != '\0'; p++) {
- if (*p == ' ')
- break;
- if (*p == '.')
- pdot = p;
- }
+ for (p = instring; *p != '\0'; p++)
+ {
+ if (*p == ' ')
+ break;
+ if (*p == '.')
+ pdot = p;
+ }
- if (p == instring) {
- the_ins.error = "No operator";
- the_ins.opcode[0] = NULL;
- /* the_ins.numo=1; */
- return;
- }
+ if (p == instring)
+ {
+ the_ins.error = "No operator";
+ the_ins.opcode[0] = NULL;
+ /* the_ins.numo=1; */
+ return;
+ }
/* p now points to the end of the opcode name, probably whitespace.
make sure the name is null terminated by clobbering the whitespace,
look it up in the hash table, then fix it back.
Remove a dot, first, since the opcode tables have none. */
- if (pdot != NULL) {
- for (pdotmove=pdot; pdotmove<p; pdotmove++)
- *pdotmove=pdotmove[1];
- p--;
- }
+ if (pdot != NULL)
+ {
+ for (pdotmove = pdot; pdotmove < p; pdotmove++)
+ *pdotmove = pdotmove[1];
+ p--;
+ }
c = *p;
*p = '\0';
- opcode = (struct m68k_incant *)hash_find (op_hash, instring);
+ opcode = (struct m68k_incant *) hash_find (op_hash, instring);
*p = c;
- if (pdot != NULL) {
- for (pdotmove=p; pdotmove>pdot; pdotmove--)
- *pdotmove=pdotmove[-1];
- *pdot='.';
- ++p;
- }
+ if (pdot != NULL)
+ {
+ for (pdotmove = p; pdotmove > pdot; pdotmove--)
+ *pdotmove = pdotmove[-1];
+ *pdot = '.';
+ ++p;
+ }
- if (opcode == NULL) {
- the_ins.error = "Unknown operator";
- the_ins.opcode[0] = NULL;
- /* the_ins.numo=1; */
- return;
- }
+ if (opcode == NULL)
+ {
+ the_ins.error = "Unknown operator";
+ the_ins.opcode[0] = NULL;
+ /* the_ins.numo=1; */
+ return;
+ }
/* found a legitimate opcode, start matching operands */
- while (*p == ' ') ++p;
+ while (*p == ' ')
+ ++p;
- if (opcode->m_operands == 0) {
- char *old = input_line_pointer;
- *old = '\n';
- input_line_pointer = p;
- /* Ahh - it's a motorola style psuedo op */
- mote_pseudo_table[opcode->m_opnum].poc_handler
- ( mote_pseudo_table[opcode->m_opnum].poc_val);
- input_line_pointer = old;
- *old = 0;
+ if (opcode->m_operands == 0)
+ {
+ char *old = input_line_pointer;
+ *old = '\n';
+ input_line_pointer = p;
+ /* Ahh - it's a motorola style psuedo op */
+ mote_pseudo_table[opcode->m_opnum].poc_handler
+ (mote_pseudo_table[opcode->m_opnum].poc_val);
+ input_line_pointer = old;
+ *old = 0;
- return;
- }
+ return;
+ }
- for(opP = &the_ins.operands[0]; *p; opP++) {
+ for (opP = &the_ins.operands[0]; *p; opP++)
+ {
- p = crack_operand(p, opP);
+ p = crack_operand (p, opP);
- if (opP->error) {
- the_ins.error=opP->error;
- return;
+ if (opP->error)
+ {
+ the_ins.error = opP->error;
+ return;
+ }
}
- }
opsfound = opP - &the_ins.operands[0];
/* This ugly hack is to support the floating pt opcodes in their standard form */
/* Essentially, we fake a first enty of type COP#1 */
- if (opcode->m_operands[0]=='I') {
- int n;
+ if (opcode->m_operands[0] == 'I')
+ {
+ int n;
- for(n=opsfound;n>0;--n)
- the_ins.operands[n]=the_ins.operands[n-1];
+ for (n = opsfound; n > 0; --n)
+ the_ins.operands[n] = the_ins.operands[n - 1];
- memset((char *)(&the_ins.operands[0]), '\0', sizeof(the_ins.operands[0]));
- the_ins.operands[0].mode=MSCR;
- the_ins.operands[0].reg=COPNUM; /* COP #1 */
- opsfound++;
- }
+ memset ((char *) (&the_ins.operands[0]), '\0', sizeof (the_ins.operands[0]));
+ the_ins.operands[0].mode = MSCR;
+ the_ins.operands[0].reg = COPNUM; /* COP #1 */
+ opsfound++;
+ }
/* We've got the operands. Find an opcode that'll accept them */
- for (losing = 0; ; ) {
- /* if we didn't get the right number of ops,
+ for (losing = 0;;)
+ {
+ /* if we didn't get the right number of ops,
or we have no common model with this pattern
then reject this pattern. */
- if (opsfound != opcode->m_opnum
- || ((opcode->m_arch & current_architecture) == 0))
- {
- ++losing;
- ok_arch |= opcode->m_arch;
- }
- else {
- for (s=opcode->m_operands, opP = &the_ins.operands[0]; *s && !losing; s += 2, opP++) {
- /* Warning: this switch is huge! */
- /* I've tried to organize the cases into this order:
+ if (opsfound != opcode->m_opnum
+ || ((opcode->m_arch & current_architecture) == 0))
+ {
+ ++losing;
+ ok_arch |= opcode->m_arch;
+ }
+ else
+ {
+ for (s = opcode->m_operands, opP = &the_ins.operands[0]; *s && !losing; s += 2, opP++)
+ {
+ /* Warning: this switch is huge! */
+ /* I've tried to organize the cases into this order:
non-alpha first, then alpha by letter. lower-case goes directly
before uppercase counterpart. */
- /* Code with multiple case ...: gets sorted by the lowest case ...
+ /* Code with multiple case ...: gets sorted by the lowest case ...
it belongs to. I hope this makes sense. */
- switch(*s) {
- case '!':
- if (opP->mode == MSCR || opP->mode == IMMED
- || opP->mode == DREG || opP->mode == AREG
- || opP->mode == AINC || opP->mode == ADEC
- || opP->mode == REGLST)
- losing++;
- break;
-
- case '`':
- switch (opP->mode) {
- case MSCR: case IMMED: case DREG: case AREG:
- case AINC: case REGLST: case AINDR:
- losing++;
- }
- break;
-
- case '#':
- if(opP->mode!=IMMED)
- losing++;
- else {
- long t;
-
- t=get_num(opP->con1,80);
- if(s[1]=='b' && !isbyte(t))
- losing++;
- else if(s[1]=='w' && !isword(t))
- losing++;
- }
- break;
-
- case '^':
- case 'T':
- if(opP->mode!=IMMED)
- losing++;
- break;
-
- case '$':
- if(opP->mode==MSCR || opP->mode==AREG ||
- opP->mode==IMMED || opP->reg==PC || opP->reg==ZPC || opP->mode==REGLST)
- losing++;
- break;
-
- case '%':
- if(opP->mode==MSCR || opP->reg==PC ||
- opP->reg==ZPC || opP->mode==REGLST)
- losing++;
- break;
-
-
- case '&':
- if(opP->mode==MSCR || opP->mode==DREG ||
- opP->mode==AREG || opP->mode==IMMED || opP->reg==PC || opP->reg==ZPC ||
- opP->mode==AINC || opP->mode==ADEC || opP->mode==REGLST)
- losing++;
- break;
-
- case '*':
- if(opP->mode==MSCR || opP->mode==REGLST)
- losing++;
- break;
-
- case '+':
- if(opP->mode!=AINC)
- losing++;
- break;
-
- case '-':
- if(opP->mode!=ADEC)
- losing++;
- break;
-
- case '/':
- if(opP->mode==MSCR || opP->mode==AREG ||
- opP->mode==AINC || opP->mode==ADEC || opP->mode==IMMED || opP->mode==REGLST)
- losing++;
- break;
-
- case ';':
- if(opP->mode==MSCR || opP->mode==AREG || opP->mode==REGLST)
- losing++;
- break;
-
- case '?':
- if(opP->mode==MSCR || opP->mode==AREG ||
- opP->mode==AINC || opP->mode==ADEC || opP->mode==IMMED || opP->reg==PC ||
- opP->reg==ZPC || opP->mode==REGLST)
- losing++;
- break;
-
- case '@':
- if(opP->mode==MSCR || opP->mode==AREG ||
- opP->mode==IMMED || opP->mode==REGLST)
- losing++;
- break;
-
- case '~': /* For now! (JF FOO is this right?) */
- if(opP->mode==MSCR || opP->mode==DREG ||
- opP->mode==AREG || opP->mode==IMMED || opP->reg==PC || opP->reg==ZPC || opP->mode==REGLST)
- losing++;
- break;
-
- case '3':
- if (opP->mode != MSCR || (opP->reg != TT0 && opP->reg != TT1))
- losing++;
- break;
-
- case 'A':
- if(opP->mode!=AREG)
- losing++;
- break;
- case 'a':
- if (opP->mode != AINDR) {
- ++losing;
- } /* if not address register indirect */
- break;
- case 'B': /* FOO */
- if(opP->mode!=ABSL || (flagseen['S'] && instring[0] == 'j'
- && instring[1] == 'b'
- && instring[2] == 's'
- && instring[3] == 'r'))
- losing++;
- break;
-
- case 'C':
- if(opP->mode!=MSCR || opP->reg!=CCR)
- losing++;
- break;
-
- case 'd': /* FOO This mode is a KLUDGE!! */
- if(opP->mode!=AOFF && (opP->mode!=ABSL ||
- opP->con1->e_beg[0]!='(' || opP->con1->e_end[0]!=')'))
- losing++;
- break;
-
- case 'D':
- if(opP->mode!=DREG)
- losing++;
- break;
-
- case 'F':
- if(opP->mode!=MSCR || opP->reg<(FPREG+0) || opP->reg>(FPREG+7))
- losing++;
- break;
+ switch (*s)
+ {
+ case '!':
+ if (opP->mode == MSCR || opP->mode == IMMED
+ || opP->mode == DREG || opP->mode == AREG
+ || opP->mode == AINC || opP->mode == ADEC
+ || opP->mode == REGLST)
+ losing++;
+ break;
+
+ case '`':
+ switch (opP->mode)
+ {
+ case MSCR:
+ case IMMED:
+ case DREG:
+ case AREG:
+ case AINC:
+ case REGLST:
+ case AINDR:
+ losing++;
+ }
+ break;
- case 'I':
- if(opP->mode!=MSCR || opP->reg<COPNUM ||
- opP->reg>=COPNUM+7)
- losing++;
- break;
+ case '#':
+ if (opP->mode != IMMED)
+ losing++;
+ else
+ {
+ long t;
+
+ t = get_num (opP->con1, 80);
+ if (s[1] == 'b' && !isbyte (t))
+ losing++;
+ else if (s[1] == 'w' && !isword (t))
+ losing++;
+ }
+ break;
+
+ case '^':
+ case 'T':
+ if (opP->mode != IMMED)
+ losing++;
+ break;
+
+ case '$':
+ if (opP->mode == MSCR || opP->mode == AREG ||
+ opP->mode == IMMED || opP->reg == PC || opP->reg == ZPC || opP->mode == REGLST)
+ losing++;
+ break;
+
+ case '%':
+ if (opP->mode == MSCR || opP->reg == PC ||
+ opP->reg == ZPC || opP->mode == REGLST)
+ losing++;
+ break;
+
+
+ case '&':
+ if (opP->mode == MSCR || opP->mode == DREG ||
+ opP->mode == AREG || opP->mode == IMMED || opP->reg == PC || opP->reg == ZPC ||
+ opP->mode == AINC || opP->mode == ADEC || opP->mode == REGLST)
+ losing++;
+ break;
+
+ case '*':
+ if (opP->mode == MSCR || opP->mode == REGLST)
+ losing++;
+ break;
+
+ case '+':
+ if (opP->mode != AINC)
+ losing++;
+ break;
+
+ case '-':
+ if (opP->mode != ADEC)
+ losing++;
+ break;
+
+ case '/':
+ if (opP->mode == MSCR || opP->mode == AREG ||
+ opP->mode == AINC || opP->mode == ADEC || opP->mode == IMMED || opP->mode == REGLST)
+ losing++;
+ break;
+
+ case ';':
+ if (opP->mode == MSCR || opP->mode == AREG || opP->mode == REGLST)
+ losing++;
+ break;
+
+ case '?':
+ if (opP->mode == MSCR || opP->mode == AREG ||
+ opP->mode == AINC || opP->mode == ADEC || opP->mode == IMMED || opP->reg == PC ||
+ opP->reg == ZPC || opP->mode == REGLST)
+ losing++;
+ break;
+
+ case '@':
+ if (opP->mode == MSCR || opP->mode == AREG ||
+ opP->mode == IMMED || opP->mode == REGLST)
+ losing++;
+ break;
+
+ case '~': /* For now! (JF FOO is this right?) */
+ if (opP->mode == MSCR || opP->mode == DREG ||
+ opP->mode == AREG || opP->mode == IMMED || opP->reg == PC || opP->reg == ZPC || opP->mode == REGLST)
+ losing++;
+ break;
+
+ case '3':
+ if (opP->mode != MSCR || (opP->reg != TT0 && opP->reg != TT1))
+ losing++;
+ break;
+
+ case 'A':
+ if (opP->mode != AREG)
+ losing++;
+ break;
+ case 'a':
+ if (opP->mode != AINDR)
+ {
+ ++losing;
+ } /* if not address register indirect */
+ break;
+ case 'B': /* FOO */
+ if (opP->mode != ABSL || (flagseen['S'] && instring[0] == 'j'
+ && instring[1] == 'b'
+ && instring[2] == 's'
+ && instring[3] == 'r'))
+ losing++;
+ break;
+
+ case 'C':
+ if (opP->mode != MSCR || opP->reg != CCR)
+ losing++;
+ break;
+
+ case 'd': /* FOO This mode is a KLUDGE!! */
+ if (opP->mode != AOFF && (opP->mode != ABSL ||
+ opP->con1->e_beg[0] != '(' || opP->con1->e_end[0] != ')'))
+ losing++;
+ break;
+
+ case 'D':
+ if (opP->mode != DREG)
+ losing++;
+ break;
+
+ case 'F':
+ if (opP->mode != MSCR || opP->reg < (FPREG + 0) || opP->reg > (FPREG + 7))
+ losing++;
+ break;
+
+ case 'I':
+ if (opP->mode != MSCR || opP->reg < COPNUM ||
+ opP->reg >= COPNUM + 7)
+ losing++;
+ break;
+
+ case 'J':
+ if (opP->mode != MSCR
+ || opP->reg < USP
+ || opP->reg > URP
+ || cpu_of_arch (current_architecture) < m68010 /* before 68010 had none */
+ || (cpu_of_arch (current_architecture) < m68020
+ && opP->reg != SFC
+ && opP->reg != DFC
+ && opP->reg != USP
+ && opP->reg != VBR) /* 68010's had only these */
+ || (cpu_of_arch (current_architecture) < m68040
+ && opP->reg != SFC
+ && opP->reg != DFC
+ && opP->reg != USP
+ && opP->reg != VBR
+ && opP->reg != CACR
+ && opP->reg != CAAR
+ && opP->reg != MSP
+ && opP->reg != ISP) /* 680[23]0's have only these */
+ || (cpu_of_arch (current_architecture) == m68040 /* 68040 has all but this */
+ && opP->reg == CAAR))
+ {
+ losing++;
+ } /* doesn't cut it */
+ break;
+
+ case 'k':
+ if (opP->mode != IMMED)
+ losing++;
+ break;
- case 'J':
- if (opP->mode != MSCR
- || opP->reg < USP
- || opP->reg > URP
- || cpu_of_arch(current_architecture) < m68010 /* before 68010 had none */
- || (cpu_of_arch(current_architecture) < m68020
- && opP->reg != SFC
- && opP->reg != DFC
- && opP->reg != USP
- && opP->reg != VBR) /* 68010's had only these */
- || (cpu_of_arch(current_architecture) < m68040
- && opP->reg != SFC
- && opP->reg != DFC
- && opP->reg != USP
- && opP->reg != VBR
- && opP->reg != CACR
- && opP->reg != CAAR
- && opP->reg != MSP
- && opP->reg != ISP) /* 680[23]0's have only these */
- || (cpu_of_arch(current_architecture) == m68040 /* 68040 has all but this */
- && opP->reg == CAAR)) {
- losing++;
- } /* doesn't cut it */
- break;
+ case 'l':
+ case 'L':
+ if (opP->mode == DREG || opP->mode == AREG || opP->mode == FPREG)
+ {
+ if (s[1] == '8')
+ losing++;
+ else
+ {
+ opP->mode = REGLST;
+ opP->reg = 1 << (opP->reg - DATA);
+ }
+ }
+ else if (opP->mode != REGLST)
+ {
+ losing++;
+ }
+ else if (s[1] == '8' && opP->reg & 0x0FFffFF)
+ losing++;
+ else if (s[1] == '3' && opP->reg & 0x7000000)
+ losing++;
+ break;
+
+ case 'M':
+ if (opP->mode != IMMED)
+ losing++;
+ else
+ {
+ long t;
- case 'k':
- if(opP->mode!=IMMED)
- losing++;
- break;
+ t = get_num (opP->con1, 80);
+ if (!issbyte (t) || isvar (opP->con1))
+ losing++;
+ }
+ break;
- case 'l':
- case 'L':
- if(opP->mode==DREG || opP->mode==AREG || opP->mode==FPREG) {
- if(s[1]=='8')
- losing++;
- else {
- opP->mode=REGLST;
- opP->reg=1<<(opP->reg-DATA);
- }
- } else if(opP->mode!=REGLST) {
- losing++;
- } else if(s[1]=='8' && opP->reg&0x0FFffFF)
- losing++;
- else if(s[1]=='3' && opP->reg&0x7000000)
- losing++;
- break;
+ case 'O':
+ if (opP->mode != DREG && opP->mode != IMMED)
+ losing++;
+ break;
- case 'M':
- if(opP->mode!=IMMED)
- losing++;
- else {
- long t;
-
- t=get_num(opP->con1,80);
- if(!issbyte(t) || isvar(opP->con1))
- losing++;
- }
- break;
-
- case 'O':
- if(opP->mode!=DREG && opP->mode!=IMMED)
- losing++;
- break;
+ case 'Q':
+ if (opP->mode != IMMED)
+ losing++;
+ else
+ {
+ long t;
- case 'Q':
- if(opP->mode!=IMMED)
- losing++;
- else {
- long t;
-
- t=get_num(opP->con1,80);
- if(t<1 || t>8 || isvar(opP->con1))
- losing++;
- }
- break;
+ t = get_num (opP->con1, 80);
+ if (t < 1 || t > 8 || isvar (opP->con1))
+ losing++;
+ }
+ break;
- case 'R':
- if(opP->mode!=DREG && opP->mode!=AREG)
- losing++;
- break;
+ case 'R':
+ if (opP->mode != DREG && opP->mode != AREG)
+ losing++;
+ break;
- case 'r':
- if (opP->mode!=AINDR && opP->mode!=DINDR)
- losing++;
- break;
+ case 'r':
+ if (opP->mode != AINDR && opP->mode != DINDR)
+ losing++;
+ break;
- case 's':
- if(opP->mode!=MSCR || !(opP->reg==FPI || opP->reg==FPS || opP->reg==FPC))
- losing++;
- break;
+ case 's':
+ if (opP->mode != MSCR || !(opP->reg == FPI || opP->reg == FPS || opP->reg == FPC))
+ losing++;
+ break;
- case 'S':
- if(opP->mode!=MSCR || opP->reg!=SR)
- losing++;
- break;
+ case 'S':
+ if (opP->mode != MSCR || opP->reg != SR)
+ losing++;
+ break;
- case 't':
- if (opP->mode != IMMED)
- losing++;
- else
- {
- long t = get_num (opP->con1, 80);
- if (t < 0 || t > 7 || isvar (opP->con1))
- losing++;
- }
- break;
+ case 't':
+ if (opP->mode != IMMED)
+ losing++;
+ else
+ {
+ long t = get_num (opP->con1, 80);
+ if (t < 0 || t > 7 || isvar (opP->con1))
+ losing++;
+ }
+ break;
- case 'U':
- if(opP->mode!=MSCR || opP->reg!=USP)
- losing++;
- break;
+ case 'U':
+ if (opP->mode != MSCR || opP->reg != USP)
+ losing++;
+ break;
- /* JF these are out of order. We could put them
+ /* JF these are out of order. We could put them
in order if we were willing to put up with
bunches of #ifdef m68851s in the code.
Don't forget that you need these operands
to use 68030 MMU instructions. */
#ifndef NO_68851
- /* Memory addressing mode used by pflushr */
- case '|':
- if(opP->mode==MSCR || opP->mode==DREG ||
- opP->mode==AREG || opP->mode==REGLST)
- losing++;
- break;
-
- case 'f':
- if (opP->mode != MSCR || (opP->reg != SFC && opP->reg != DFC))
- losing++;
- break;
-
- case 'P':
- if (opP->mode != MSCR
- || (opP->reg != TC && opP->reg != CAL
- && opP->reg != VAL && opP->reg != SCC && opP->reg != AC))
- losing++;
- break;
-
- case 'V':
- if (opP->reg != VAL)
- losing++;
- break;
-
- case 'W':
- if (opP->mode != MSCR
- || (opP->reg != DRP && opP->reg != SRP
- && opP->reg != CRP))
- losing++;
- break;
-
- case 'X':
- if (opP->mode != MSCR ||
- (!(opP->reg >= BAD && opP->reg <= BAD+7) &&
- !(opP->reg >= BAC && opP->reg <= BAC+7)))
- losing++;
- break;
-
- case 'Y':
- if (opP->reg != PSR)
- losing++;
- break;
+ /* Memory addressing mode used by pflushr */
+ case '|':
+ if (opP->mode == MSCR || opP->mode == DREG ||
+ opP->mode == AREG || opP->mode == REGLST)
+ losing++;
+ break;
+
+ case 'f':
+ if (opP->mode != MSCR || (opP->reg != SFC && opP->reg != DFC))
+ losing++;
+ break;
+
+ case 'P':
+ if (opP->mode != MSCR
+ || (opP->reg != TC && opP->reg != CAL
+ && opP->reg != VAL && opP->reg != SCC && opP->reg != AC))
+ losing++;
+ break;
+
+ case 'V':
+ if (opP->reg != VAL)
+ losing++;
+ break;
- case 'Z':
- if (opP->reg != PCSR)
- losing++;
- break;
+ case 'W':
+ if (opP->mode != MSCR
+ || (opP->reg != DRP && opP->reg != SRP
+ && opP->reg != CRP))
+ losing++;
+ break;
+
+ case 'X':
+ if (opP->mode != MSCR ||
+ (!(opP->reg >= BAD && opP->reg <= BAD + 7) &&
+ !(opP->reg >= BAC && opP->reg <= BAC + 7)))
+ losing++;
+ break;
+
+ case 'Y':
+ if (opP->reg != PSR)
+ losing++;
+ break;
+
+ case 'Z':
+ if (opP->reg != PCSR)
+ losing++;
+ break;
#endif
- case 'c':
- if (opP->reg != NC
- && opP->reg != IC
- && opP->reg != DC
- && opP->reg != BC) {
- losing++;
- } /* not a cache specifier. */
- break;
+ case 'c':
+ if (opP->reg != NC
+ && opP->reg != IC
+ && opP->reg != DC
+ && opP->reg != BC)
+ {
+ losing++;
+ } /* not a cache specifier. */
+ break;
+
+ case '_':
+ if (opP->mode != ABSL)
+ {
+ ++losing;
+ } /* not absolute */
+ break;
- case '_':
- if (opP->mode != ABSL) {
- ++losing;
- } /* not absolute */
- break;
+ default:
+ as_fatal ("Internal error: Operand mode %c unknown in line %d of file \"%s\"",
+ *s, __LINE__, __FILE__);
+ } /* switch on type of operand */
- default:
- as_fatal("Internal error: Operand mode %c unknown in line %d of file \"%s\"",
- *s, __LINE__, __FILE__);
- } /* switch on type of operand */
+ if (losing)
+ break;
+ } /* for each operand */
+ } /* if immediately wrong */
- if (losing)
+ if (!losing)
+ {
break;
- } /* for each operand */
- } /* if immediately wrong */
-
- if (!losing) {
- break;
- } /* got it. */
+ } /* got it. */
- opcode = opcode->m_next;
+ opcode = opcode->m_next;
- if (!opcode) {
- if (ok_arch
- && !(ok_arch & current_architecture))
+ if (!opcode)
{
- char buf[200], *cp;
- int len;
- strcpy (buf, "invalid instruction for this architecture; needs ");
- cp = buf + strlen (buf);
- switch (ok_arch)
+ if (ok_arch
+ && !(ok_arch & current_architecture))
{
- case mfloat:
- strcpy (cp, "fpu (68040 or 68881/68882)");
- break;
- case mmmu:
- strcpy (cp, "mmu (68030 or 68851)");
- break;
- case m68020up:
- strcpy (cp, "68020 or higher");
- break;
- case m68000up:
- strcpy (cp, "68000 or higher");
- break;
- case m68010up:
- strcpy (cp, "68010 or higher");
- break;
- default:
- {
- int got_one = 0, idx;
- const static struct {
- int arch;
- const char *name;
- } archs[] = {
- 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++)
+ char buf[200], *cp;
+ int len;
+ strcpy (buf, "invalid instruction for this architecture; needs ");
+ cp = buf + strlen (buf);
+ switch (ok_arch)
+ {
+ case mfloat:
+ strcpy (cp, "fpu (68040 or 68881/68882)");
+ break;
+ case mmmu:
+ strcpy (cp, "mmu (68030 or 68851)");
+ break;
+ case m68020up:
+ strcpy (cp, "68020 or higher");
+ break;
+ case m68000up:
+ strcpy (cp, "68000 or higher");
+ break;
+ case m68010up:
+ strcpy (cp, "68010 or higher");
+ break;
+ default:
{
- if (archs[idx].arch & ok_arch)
+ int got_one = 0, idx;
+ const static struct
+ {
+ int arch;
+ const char *name;
+ }
+ archs[] =
+ {
+ 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++)
{
- if (got_one)
+ if (archs[idx].arch & ok_arch)
{
- strcpy (cp, " or ");
+ if (got_one)
+ {
+ strcpy (cp, " or ");
+ cp += strlen (cp);
+ }
+ got_one = 1;
+ strcpy (cp, archs[idx].name);
cp += strlen (cp);
}
- got_one = 1;
- strcpy (cp, archs[idx].name);
- cp += strlen (cp);
}
}
- }
+ }
+ len = cp - buf + 1;
+ cp = malloc (len);
+ strcpy (cp, buf);
+ the_ins.error = cp;
}
- len = cp - buf + 1;
- cp = malloc (len);
- strcpy (cp, buf);
- the_ins.error = cp;
- }
- else
- the_ins.error = "operands mismatch";
- return;
- } /* Fell off the end */
+ else
+ the_ins.error = "operands mismatch";
+ return;
+ } /* Fell off the end */
- losing = 0;
- }
+ losing = 0;
+ }
/* now assemble it */
- the_ins.args=opcode->m_operands;
- the_ins.numargs=opcode->m_opnum;
- the_ins.numo=opcode->m_codenum;
- the_ins.opcode[0]=getone(opcode);
- the_ins.opcode[1]=gettwo(opcode);
+ the_ins.args = opcode->m_operands;
+ the_ins.numargs = opcode->m_opnum;
+ the_ins.numo = opcode->m_codenum;
+ the_ins.opcode[0] = getone (opcode);
+ the_ins.opcode[1] = gettwo (opcode);
- for (s = the_ins.args, opP = &the_ins.operands[0]; *s; s += 2, opP++) {
- /* This switch is a doozy.
+ for (s = the_ins.args, opP = &the_ins.operands[0]; *s; s += 2, opP++)
+ {
+ /* This switch is a doozy.
Watch the first step; its a big one! */
- switch(s[0]) {
-
- case '*':
- case '~':
- case '%':
- case ';':
- case '@':
- case '!':
- case '&':
- case '$':
- case '?':
- case '/':
- case '`':
+ switch (s[0])
+ {
+
+ case '*':
+ case '~':
+ case '%':
+ case ';':
+ case '@':
+ case '!':
+ case '&':
+ case '$':
+ case '?':
+ case '/':
+ case '`':
#ifndef NO_68851
- case '|':
+ case '|':
#endif
- switch(opP->mode) {
- case IMMED:
- tmpreg=0x3c; /* 7.4 */
- if (strchr("bwl",s[1])) nextword=get_num(opP->con1,80);
- else nextword=nextword=get_num(opP->con1,0);
- if(isvar(opP->con1))
- add_fix(s[1],opP->con1,0);
- switch(s[1]) {
- case 'b':
- if(!isbyte(nextword))
- opP->error="operand out of range";
- addword(nextword);
- baseo=0;
- break;
- case 'w':
- if(!isword(nextword))
- opP->error="operand out of range";
- addword(nextword);
- baseo=0;
- break;
- case 'l':
- addword(nextword>>16);
- addword(nextword);
- baseo=0;
- break;
-
- case 'f':
- baseo=2;
- outro=8;
- break;
- case 'F':
- baseo=4;
- outro=11;
- break;
- case 'x':
- baseo=6;
- outro=15;
- break;
- case 'p':
- baseo=6;
- outro= -1;
- break;
- default:
- as_fatal("Internal error: Can't decode %c%c in line %s of file \"%s\"",
- *s, s[1], __LINE__, __FILE__);
- }
- if(!baseo)
- break;
+ switch (opP->mode)
+ {
+ case IMMED:
+ tmpreg = 0x3c; /* 7.4 */
+ if (strchr ("bwl", s[1]))
+ nextword = get_num (opP->con1, 80);
+ else
+ nextword = nextword = get_num (opP->con1, 0);
+ if (isvar (opP->con1))
+ add_fix (s[1], opP->con1, 0);
+ switch (s[1])
+ {
+ case 'b':
+ if (!isbyte (nextword))
+ opP->error = "operand out of range";
+ addword (nextword);
+ baseo = 0;
+ break;
+ case 'w':
+ if (!isword (nextword))
+ opP->error = "operand out of range";
+ addword (nextword);
+ baseo = 0;
+ break;
+ case 'l':
+ addword (nextword >> 16);
+ addword (nextword);
+ baseo = 0;
+ break;
+
+ case 'f':
+ baseo = 2;
+ outro = 8;
+ break;
+ case 'F':
+ baseo = 4;
+ outro = 11;
+ break;
+ case 'x':
+ baseo = 6;
+ outro = 15;
+ break;
+ case 'p':
+ baseo = 6;
+ outro = -1;
+ break;
+ default:
+ as_fatal ("Internal error: Can't decode %c%c in line %s of file \"%s\"",
+ *s, s[1], __LINE__, __FILE__);
+ }
+ if (!baseo)
+ break;
- /* We gotta put out some float */
- 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 */
- if(offs(opP->con1)>0) {
- if(offs(opP->con1)>baseo) {
- as_warn("Bignum too big for %c format; truncated",s[1]);
- 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);
- break;
- }
- gen_to_words(words,baseo,(long)outro);
- for (wordp=words;baseo--;wordp++)
- addword(*wordp);
- break;
- case DREG:
- tmpreg=opP->reg-DATA; /* 0.dreg */
- break;
- case AREG:
- tmpreg=0x08+opP->reg-ADDR; /* 1.areg */
- break;
- case AINDR:
- tmpreg=0x10+opP->reg-ADDR; /* 2.areg */
- break;
- case ADEC:
- tmpreg=0x20+opP->reg-ADDR; /* 4.areg */
- break;
- case AINC:
- tmpreg=0x18+opP->reg-ADDR; /* 3.areg */
- break;
- case AOFF:
+ /* 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) != SEG_BIG)
+ {
+ abort ();
+ }
+#endif
+ if (offs (opP->con1) > 0)
+ {
+ if (offs (opP->con1) > baseo)
+ {
+ as_warn ("Bignum too big for %c format; truncated", s[1]);
+ 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);
+ break;
+ }
+ gen_to_words (words, baseo, (long) outro);
+ for (wordp = words; baseo--; wordp++)
+ addword (*wordp);
+ break;
+ case DREG:
+ tmpreg = opP->reg - DATA; /* 0.dreg */
+ break;
+ case AREG:
+ tmpreg = 0x08 + opP->reg - ADDR; /* 1.areg */
+ break;
+ case AINDR:
+ tmpreg = 0x10 + opP->reg - ADDR; /* 2.areg */
+ break;
+ case ADEC:
+ tmpreg = 0x20 + opP->reg - ADDR; /* 4.areg */
+ break;
+ case AINC:
+ tmpreg = 0x18 + opP->reg - ADDR; /* 3.areg */
+ break;
+ case AOFF:
- nextword=get_num(opP->con1,80);
- /* Force into index mode. Hope this works */
+ nextword = get_num (opP->con1, 80);
+ /* Force into index mode. Hope this works */
- /* We do the first bit for 32-bit displacements,
+ /* We do the first bit for 32-bit displacements,
and the second bit for 16 bit ones. It is
possible that we should make the default be
WORD instead of LONG, but I think that'd
@@ -2016,330 +2204,381 @@ void m68k_ip (instring)
inefficiency for the sake of working output.
*/
- if( !issword(nextword)
- || ( isvar(opP->con1)
- && ( ( opP->con1->e_siz==0
- && flagseen['l']==0)
- || opP->con1->e_siz==3))) {
+ if (!issword (nextword)
+ || (isvar (opP->con1)
+ && ((opP->con1->e_siz == 0
+ && flagseen['l'] == 0)
+ || opP->con1->e_siz == 3)))
+ {
- if(opP->reg==PC)
- tmpreg=0x3B; /* 7.3 */
- else
- tmpreg=0x30+opP->reg-ADDR; /* 6.areg */
- if(isvar(opP->con1)) {
- if(opP->reg==PC) {
- add_frag(adds(opP->con1),
- offs(opP->con1),
- TAB(PCLEA,SZ_UNDEF));
+ if (opP->reg == PC)
+ tmpreg = 0x3B; /* 7.3 */
+ else
+ tmpreg = 0x30 + opP->reg - ADDR; /* 6.areg */
+ if (isvar (opP->con1))
+ {
+ if (opP->reg == PC)
+ {
+ add_frag (adds (opP->con1),
+ offs (opP->con1),
+ TAB (PCLEA, SZ_UNDEF));
+ break;
+ }
+ else
+ {
+ addword (0x0170);
+ add_fix ('l', opP->con1, 0);
+ }
+ }
+ else
+ addword (0x0170);
+ addword (nextword >> 16);
+ }
+ else
+ {
+ if (opP->reg == PC)
+ tmpreg = 0x3A; /* 7.2 */
+ else
+ tmpreg = 0x28 + opP->reg - ADDR; /* 5.areg */
+
+ if (isvar (opP->con1))
+ {
+ if (opP->reg == PC)
+ {
+ add_fix ('w', opP->con1, 1);
+ }
+ else
+ add_fix ('w', opP->con1, 0);
+ }
+ }
+ addword (nextword);
break;
- } else {
- addword(0x0170);
- add_fix('l',opP->con1,0);
- }
- } else
- addword(0x0170);
- addword(nextword>>16);
- } else {
- if(opP->reg==PC)
- tmpreg=0x3A; /* 7.2 */
- else
- tmpreg=0x28+opP->reg-ADDR; /* 5.areg */
-
- if(isvar(opP->con1)) {
- if(opP->reg==PC) {
- add_fix('w',opP->con1,1);
- } else
- add_fix('w',opP->con1,0);
- }
- }
- addword(nextword);
- break;
- case APODX:
- case AMIND:
- case APRDX:
- know(current_architecture & m68020up);
- /* intentional fall-through */
- case AINDX:
- nextword=0;
- baseo=get_num(opP->con1,80);
- outro=get_num(opP->con2,80);
- /* Figure out the 'addressing mode' */
- /* Also turn on the BASE_DISABLE bit, if needed */
- if(opP->reg==PC || opP->reg==ZPC) {
- tmpreg=0x3b; /* 7.3 */
- if(opP->reg==ZPC)
- nextword|=0x80;
- } else if(opP->reg==FAIL) {
- nextword|=0x80;
- tmpreg=0x30; /* 6.garbage */
- } else tmpreg=0x30+opP->reg-ADDR; /* 6.areg */
-
- siz1= (opP->con1) ? opP->con1->e_siz : 0;
- siz2= (opP->con2) ? opP->con2->e_siz : 0;
-
- /* Index register stuff */
- if(opP->ireg>=DATA+0 && opP->ireg<=ADDR+7) {
- nextword|=(opP->ireg-DATA)<<12;
-
- if(opP->isiz==0 || opP->isiz==3)
- nextword|=0x800;
- switch(opP->imul) {
- case 1: break;
- case 2: nextword|=0x200; break;
- case 4: nextword|=0x400; break;
- case 8: nextword|=0x600; break;
- default: as_fatal("failed sanity check.");
- }
- /* IF its simple,
+ case APODX:
+ case AMIND:
+ case APRDX:
+ know (current_architecture & m68020up);
+ /* intentional fall-through */
+ case AINDX:
+ nextword = 0;
+ baseo = get_num (opP->con1, 80);
+ outro = get_num (opP->con2, 80);
+ /* Figure out the 'addressing mode' */
+ /* Also turn on the BASE_DISABLE bit, if needed */
+ if (opP->reg == PC || opP->reg == ZPC)
+ {
+ tmpreg = 0x3b;/* 7.3 */
+ if (opP->reg == ZPC)
+ nextword |= 0x80;
+ }
+ else if (opP->reg == FAIL)
+ {
+ nextword |= 0x80;
+ tmpreg = 0x30;/* 6.garbage */
+ }
+ else
+ tmpreg = 0x30 + opP->reg - ADDR; /* 6.areg */
+
+ siz1 = (opP->con1) ? opP->con1->e_siz : 0;
+ siz2 = (opP->con2) ? opP->con2->e_siz : 0;
+
+ /* Index register stuff */
+ if (opP->ireg >= DATA + 0 && opP->ireg <= ADDR + 7)
+ {
+ nextword |= (opP->ireg - DATA) << 12;
+
+ if (opP->isiz == 0 || opP->isiz == 3)
+ nextword |= 0x800;
+ switch (opP->imul)
+ {
+ case 1:
+ break;
+ case 2:
+ nextword |= 0x200;
+ break;
+ case 4:
+ nextword |= 0x400;
+ break;
+ case 8:
+ nextword |= 0x600;
+ break;
+ default:
+ as_fatal ("failed sanity check.");
+ }
+ /* IF its simple,
GET US OUT OF HERE! */
- /* Must be INDEX, with an index
+ /* Must be INDEX, with an index
register. Address register
cannot be ZERO-PC, and either
:b was forced, or we know
it will fit */
- if( opP->mode==AINDX
- && opP->reg!=FAIL
- && opP->reg!=ZPC
- && ( siz1==1
- || ( issbyte(baseo)
- && !isvar(opP->con1)))) {
- nextword +=baseo&0xff;
- addword(nextword);
- if(isvar(opP->con1))
- add_fix('B',opP->con1,0);
- break;
- }
- } else
- nextword|=0x40; /* No index reg */
+ if (opP->mode == AINDX
+ && opP->reg != FAIL
+ && opP->reg != ZPC
+ && (siz1 == 1
+ || (issbyte (baseo)
+ && !isvar (opP->con1))))
+ {
+ nextword += baseo & 0xff;
+ addword (nextword);
+ if (isvar (opP->con1))
+ add_fix ('B', opP->con1, 0);
+ break;
+ }
+ }
+ else
+ nextword |= 0x40; /* No index reg */
- /* It aint simple */
- nextword|=0x100;
- /* If the guy specified a width, we assume that
+ /* It aint simple */
+ nextword |= 0x100;
+ /* If the guy specified a width, we assume that
it is wide enough. Maybe it isn't. If so, we lose
*/
- switch(siz1) {
- case 0:
- if(isvar(opP->con1) || !issword(baseo)) {
- siz1=3;
- nextword|=0x30;
- } else if(baseo==0)
- nextword|=0x10;
- else {
- nextword|=0x20;
- siz1=2;
- }
- break;
- case 1:
- as_warn("Byte dispacement won't work. Defaulting to :w");
- case 2:
- nextword|=0x20;
- break;
- case 3:
- nextword|=0x30;
- break;
- }
+ switch (siz1)
+ {
+ case 0:
+ if (isvar (opP->con1) || !issword (baseo))
+ {
+ siz1 = 3;
+ nextword |= 0x30;
+ }
+ else if (baseo == 0)
+ nextword |= 0x10;
+ else
+ {
+ nextword |= 0x20;
+ siz1 = 2;
+ }
+ break;
+ case 1:
+ as_warn ("Byte dispacement won't work. Defaulting to :w");
+ case 2:
+ nextword |= 0x20;
+ break;
+ case 3:
+ nextword |= 0x30;
+ break;
+ }
- /* Figure out innner displacement stuff */
- if(opP->mode!=AINDX) {
- switch(siz2) {
- case 0:
- if(isvar(opP->con2) || !issword(outro)) {
- siz2=3;
- nextword|=0x3;
- } else if(outro==0)
- nextword|=0x1;
- else {
- nextword|=0x2;
- siz2=2;
- }
- break;
- case 1:
- as_warn("Byte dispacement won't work. Defaulting to :w");
- case 2:
- nextword|=0x2;
- break;
- case 3:
- nextword|=0x3;
- break;
- }
- if(opP->mode==APODX) nextword|=0x04;
- else if(opP->mode==AMIND) nextword|=0x40;
- }
- addword(nextword);
-
- if(isvar(opP->con1)) {
- if(opP->reg==PC || opP->reg==ZPC) {
- add_fix(siz1==3 ? 'l' : 'w',opP->con1,1);
- opP->con1->e_exp.X_add_number+=6;
- } else
- add_fix(siz1==3 ? 'l' : 'w',opP->con1,0);
- }
- if(siz1==3)
- addword(baseo>>16);
- if(siz1)
- addword(baseo);
-
- if(isvar(opP->con2)) {
- if(opP->reg==PC || opP->reg==ZPC) {
- add_fix(siz2==3 ? 'l' : 'w',opP->con2,1);
- opP->con1->e_exp.X_add_number+=6;
- } else
- add_fix(siz2==3 ? 'l' : 'w',opP->con2,0);
- }
- if(siz2==3)
- addword(outro>>16);
- if(siz2)
- addword(outro);
+ /* Figure out innner displacement stuff */
+ if (opP->mode != AINDX)
+ {
+ switch (siz2)
+ {
+ case 0:
+ if (isvar (opP->con2) || !issword (outro))
+ {
+ siz2 = 3;
+ nextword |= 0x3;
+ }
+ else if (outro == 0)
+ nextword |= 0x1;
+ else
+ {
+ nextword |= 0x2;
+ siz2 = 2;
+ }
+ break;
+ case 1:
+ as_warn ("Byte dispacement won't work. Defaulting to :w");
+ case 2:
+ nextword |= 0x2;
+ break;
+ case 3:
+ nextword |= 0x3;
+ break;
+ }
+ if (opP->mode == APODX)
+ nextword |= 0x04;
+ else if (opP->mode == AMIND)
+ nextword |= 0x40;
+ }
+ addword (nextword);
+
+ if (isvar (opP->con1))
+ {
+ if (opP->reg == PC || opP->reg == ZPC)
+ {
+ add_fix (siz1 == 3 ? 'l' : 'w', opP->con1, 1);
+ opP->con1->e_exp.X_add_number += 6;
+ }
+ else
+ add_fix (siz1 == 3 ? 'l' : 'w', opP->con1, 0);
+ }
+ if (siz1 == 3)
+ addword (baseo >> 16);
+ if (siz1)
+ addword (baseo);
+
+ if (isvar (opP->con2))
+ {
+ if (opP->reg == PC || opP->reg == ZPC)
+ {
+ add_fix (siz2 == 3 ? 'l' : 'w', opP->con2, 1);
+ opP->con1->e_exp.X_add_number += 6;
+ }
+ else
+ add_fix (siz2 == 3 ? 'l' : 'w', opP->con2, 0);
+ }
+ if (siz2 == 3)
+ addword (outro >> 16);
+ if (siz2)
+ addword (outro);
- break;
+ break;
- case ABSL:
- nextword=get_num(opP->con1,80);
- switch(opP->con1->e_siz) {
- default:
- as_warn("Unknown size for absolute reference");
- case 0:
- if(!isvar(opP->con1) && issword(offs(opP->con1))) {
- tmpreg=0x38; /* 7.0 */
- addword(nextword);
- break;
- }
- /* Don't generate pc relative code
+ case ABSL:
+ nextword = get_num (opP->con1, 80);
+ switch (opP->con1->e_siz)
+ {
+ default:
+ as_warn ("Unknown size for absolute reference");
+ case 0:
+ if (!isvar (opP->con1) && issword (offs (opP->con1)))
+ {
+ tmpreg = 0x38; /* 7.0 */
+ addword (nextword);
+ break;
+ }
+ /* Don't generate pc relative code
on 68010 and 68000 */
- if(isvar(opP->con1)
- && !subs(opP->con1)
- && seg(opP->con1) == SEG_TEXT
- && now_seg == SEG_TEXT
- && cpu_of_arch(current_architecture) >= m68020
- && !flagseen['S']
- && !strchr("~%&$?", s[0])) {
- tmpreg=0x3A; /* 7.2 */
- add_frag(adds(opP->con1),
- offs(opP->con1),
- TAB(PCREL,SZ_UNDEF));
- break;
- }
- case 3: /* Fall through into long */
- if(isvar(opP->con1))
- add_fix('l',opP->con1,0);
-
- tmpreg=0x39; /* 7.1 mode */
- addword(nextword>>16);
- addword(nextword);
+ if (isvar (opP->con1)
+ && !subs (opP->con1)
+ && seg (opP->con1) == SEG_TEXT
+ && now_seg == SEG_TEXT
+ && cpu_of_arch (current_architecture) >= m68020
+ && !flagseen['S']
+ && !strchr ("~%&$?", s[0]))
+ {
+ tmpreg = 0x3A; /* 7.2 */
+ add_frag (adds (opP->con1),
+ offs (opP->con1),
+ TAB (PCREL, SZ_UNDEF));
+ break;
+ }
+ case 3: /* Fall through into long */
+ if (isvar (opP->con1))
+ add_fix ('l', opP->con1, 0);
+
+ tmpreg = 0x39;/* 7.1 mode */
+ addword (nextword >> 16);
+ addword (nextword);
+ break;
+
+ case 2: /* Word */
+ if (isvar (opP->con1))
+ add_fix ('w', opP->con1, 0);
+
+ tmpreg = 0x38;/* 7.0 mode */
+ addword (nextword);
+ break;
+ }
+ break;
+ case DINDR:
+ as_bad ("invalid indirect register");
+ break;
+ case MSCR:
+ default:
+ as_bad ("unknown/incorrect operand");
+ /* abort(); */
+ }
+ install_gen_operand (s[1], tmpreg);
break;
- case 2: /* Word */
- if(isvar(opP->con1))
- add_fix('w',opP->con1,0);
-
- tmpreg=0x38; /* 7.0 mode */
- addword(nextword);
- break;
- }
- break;
- case DINDR:
- as_bad("invalid indirect register");
- break;
- case MSCR:
- default:
- as_bad("unknown/incorrect operand");
- /* abort(); */
- }
- install_gen_operand(s[1],tmpreg);
- break;
-
- case '#':
- case '^':
- switch(s[1]) { /* JF: I hate floating point! */
- case 'j':
- tmpreg=70;
- break;
- case '8':
- tmpreg=20;
- break;
- case 'C':
- tmpreg=50;
- break;
- case '3':
- default:
- tmpreg=80;
- break;
- }
- tmpreg=get_num(opP->con1,tmpreg);
- if(isvar(opP->con1))
- add_fix(s[1],opP->con1,0);
- switch(s[1]) {
- case 'b': /* Danger: These do no check for
+ case '#':
+ case '^':
+ switch (s[1])
+ { /* JF: I hate floating point! */
+ case 'j':
+ tmpreg = 70;
+ break;
+ case '8':
+ tmpreg = 20;
+ break;
+ case 'C':
+ tmpreg = 50;
+ break;
+ case '3':
+ default:
+ tmpreg = 80;
+ break;
+ }
+ tmpreg = get_num (opP->con1, tmpreg);
+ if (isvar (opP->con1))
+ add_fix (s[1], opP->con1, 0);
+ switch (s[1])
+ {
+ case 'b': /* Danger: These do no check for
certain types of overflow.
user beware! */
- if(!isbyte(tmpreg))
- opP->error="out of range";
- insop(tmpreg);
- 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);
- 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);
- if(isvar(opP->con1))
- the_ins.reloc[the_ins.nrel-1].n=(opcode->m_codenum)*2;
- break;
- case '3':
- tmpreg&=0xFF;
- case '8':
- case 'C':
- install_operand(s[1],tmpreg);
- break;
- default:
- as_fatal("Internal error: Unknown mode #%c in line %s of file \"%s\"", s[1], __LINE__, __FILE__);
- }
- break;
+ if (!isbyte (tmpreg))
+ opP->error = "out of range";
+ insop (tmpreg);
+ 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);
+ 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);
+ if (isvar (opP->con1))
+ the_ins.reloc[the_ins.nrel - 1].n = (opcode->m_codenum) * 2;
+ break;
+ case '3':
+ tmpreg &= 0xFF;
+ case '8':
+ case 'C':
+ install_operand (s[1], tmpreg);
+ break;
+ default:
+ as_fatal ("Internal error: Unknown mode #%c in line %s of file \"%s\"", s[1], __LINE__, __FILE__);
+ }
+ break;
- case '+':
- case '-':
- case 'A':
- case 'a':
- install_operand(s[1],opP->reg-ADDR);
- break;
+ case '+':
+ case '-':
+ case 'A':
+ case 'a':
+ install_operand (s[1], opP->reg - ADDR);
+ break;
- case 'B':
- tmpreg=get_num(opP->con1,80);
- switch(s[1]) {
- case 'B':
- /* Needs no offsetting */
- add_fix('B',opP->con1,1);
- break;
- case 'W':
- /* Offset the displacement to be relative to byte disp location */
- opP->con1->e_exp.X_add_number+=2;
- add_fix('w',opP->con1,1);
- addword(0);
- break;
- case 'L':
- long_branch:
- if (cpu_of_arch(current_architecture) < m68020) /* 68000 or 010 */
- as_warn("Can't use long branches on 68000/68010");
- the_ins.opcode[the_ins.numo-1]|=0xff;
- /* Offset the displacement to be relative to byte disp location */
- opP->con1->e_exp.X_add_number+=4;
- add_fix('l',opP->con1,1);
- addword(0);
- addword(0);
- break;
- case 'g':
- if(subs(opP->con1)) /* We can't relax it */
- goto long_branch;
+ case 'B':
+ tmpreg = get_num (opP->con1, 80);
+ switch (s[1])
+ {
+ case 'B':
+ /* Needs no offsetting */
+ add_fix ('B', opP->con1, 1);
+ break;
+ case 'W':
+ /* Offset the displacement to be relative to byte disp location */
+ opP->con1->e_exp.X_add_number += 2;
+ add_fix ('w', opP->con1, 1);
+ addword (0);
+ break;
+ case 'L':
+ long_branch:
+ if (cpu_of_arch (current_architecture) < m68020) /* 68000 or 010 */
+ as_warn ("Can't use long branches on 68000/68010");
+ the_ins.opcode[the_ins.numo - 1] |= 0xff;
+ /* Offset the displacement to be relative to byte disp location */
+ opP->con1->e_exp.X_add_number += 4;
+ add_fix ('l', opP->con1, 1);
+ addword (0);
+ addword (0);
+ break;
+ case 'g':
+ if (subs (opP->con1)) /* We can't relax it */
+ goto long_branch;
- /* This could either be a symbol, or an
+ /* This could either be a symbol, or an
absolute address. No matter, the
frag hacking will finger it out.
Not quite: it can't switch from
@@ -2347,336 +2586,423 @@ void m68k_ip (instring)
where opnd is absolute (it needs
to use the 68000 hack since no
conditional abs jumps). */
- if (((cpu_of_arch(current_architecture) < m68020) || (0==adds(opP->con1)))
- && (the_ins.opcode[0] >= 0x6200)
- && (the_ins.opcode[0] <= 0x6f00)) {
- add_frag(adds(opP->con1),offs(opP->con1),TAB(BCC68000,SZ_UNDEF));
- } else {
- add_frag(adds(opP->con1),offs(opP->con1),TAB(ABRANCH,SZ_UNDEF));
- }
- break;
- case 'w':
- if(isvar(opP->con1)) {
- /* check for DBcc instruction */
- if ((the_ins.opcode[0] & 0xf0f8) ==0x50c8) {
- /* size varies if patch */
- /* needed for long form */
- add_frag(adds(opP->con1),offs(opP->con1),TAB(DBCC,SZ_UNDEF));
- break;
- }
+ if (((cpu_of_arch (current_architecture) < m68020) || (0 == adds (opP->con1)))
+ && (the_ins.opcode[0] >= 0x6200)
+ && (the_ins.opcode[0] <= 0x6f00))
+ {
+ add_frag (adds (opP->con1), offs (opP->con1), TAB (BCC68000, SZ_UNDEF));
+ }
+ else
+ {
+ add_frag (adds (opP->con1), offs (opP->con1), TAB (ABRANCH, SZ_UNDEF));
+ }
+ break;
+ case 'w':
+ if (isvar (opP->con1))
+ {
+ /* check for DBcc instruction */
+ if ((the_ins.opcode[0] & 0xf0f8) == 0x50c8)
+ {
+ /* size varies if patch */
+ /* needed for long form */
+ add_frag (adds (opP->con1), offs (opP->con1), TAB (DBCC, SZ_UNDEF));
+ break;
+ }
- /* Don't ask! */
- opP->con1->e_exp.X_add_number+=2;
- add_fix('w',opP->con1,1);
- }
- addword(0);
- break;
- case 'C': /* Fixed size LONG coproc branches */
- the_ins.opcode[the_ins.numo-1]|=0x40;
- /* Offset the displacement to be relative to byte disp location */
- /* Coproc branches don't have a byte disp option, but they are
+ /* Don't ask! */
+ opP->con1->e_exp.X_add_number += 2;
+ add_fix ('w', opP->con1, 1);
+ }
+ addword (0);
+ break;
+ case 'C': /* Fixed size LONG coproc branches */
+ the_ins.opcode[the_ins.numo - 1] |= 0x40;
+ /* Offset the displacement to be relative to byte disp location */
+ /* Coproc branches don't have a byte disp option, but they are
compatible with the ordinary branches, which do... */
- opP->con1->e_exp.X_add_number+=4;
- add_fix('l',opP->con1,1);
- addword(0);
- addword(0);
- break;
- case 'c': /* Var size Coprocesssor branches */
- if(subs(opP->con1)) {
- add_fix('l',opP->con1,1);
- add_frag((symbolS *)0,(long)0,TAB(FBRANCH,LONG));
- } else if(adds(opP->con1)) {
- add_frag(adds(opP->con1),offs(opP->con1),TAB(FBRANCH,SZ_UNDEF));
- } else {
- /* add_frag((symbolS *)0,offs(opP->con1),TAB(FBRANCH,SHORT)); */
- the_ins.opcode[the_ins.numo-1]|=0x40;
- add_fix('l',opP->con1,1);
- addword(0);
- addword(4);
- }
- break;
- default:
- as_fatal("Internal error: operand type B%c unknown in line %s of file \"%s\"",
- s[1], __LINE__, __FILE__);
- }
- break;
+ opP->con1->e_exp.X_add_number += 4;
+ add_fix ('l', opP->con1, 1);
+ addword (0);
+ addword (0);
+ break;
+ case 'c': /* Var size Coprocesssor branches */
+ if (subs (opP->con1))
+ {
+ add_fix ('l', opP->con1, 1);
+ add_frag ((symbolS *) 0, (long) 0, TAB (FBRANCH, LONG));
+ }
+ else if (adds (opP->con1))
+ {
+ add_frag (adds (opP->con1), offs (opP->con1), TAB (FBRANCH, SZ_UNDEF));
+ }
+ else
+ {
+ /* add_frag((symbolS *)0,offs(opP->con1),TAB(FBRANCH,SHORT)); */
+ the_ins.opcode[the_ins.numo - 1] |= 0x40;
+ add_fix ('l', opP->con1, 1);
+ addword (0);
+ addword (4);
+ }
+ break;
+ default:
+ as_fatal ("Internal error: operand type B%c unknown in line %s of file \"%s\"",
+ s[1], __LINE__, __FILE__);
+ }
+ break;
- case 'C': /* Ignore it */
- break;
+ case 'C': /* Ignore it */
+ break;
- case 'd': /* JF this is a kludge */
- if(opP->mode==AOFF) {
- install_operand('s',opP->reg-ADDR);
- } else {
- char *tmpP;
-
- tmpP=opP->con1->e_end-2;
- opP->con1->e_beg++;
- opP->con1->e_end-=4; /* point to the , */
- baseo=m68k_reg_parse(&tmpP);
- if(baseo<ADDR+0 || baseo>ADDR+7) {
- as_bad("Unknown address reg, using A0");
- baseo=0;
- } else baseo-=ADDR;
- install_operand('s',baseo);
- }
- tmpreg=get_num(opP->con1,80);
- if(!issword(tmpreg)) {
- as_warn("Expression out of range, using 0");
- tmpreg=0;
- }
- addword(tmpreg);
- break;
+ case 'd': /* JF this is a kludge */
+ if (opP->mode == AOFF)
+ {
+ install_operand ('s', opP->reg - ADDR);
+ }
+ else
+ {
+ char *tmpP;
+
+ tmpP = opP->con1->e_end - 2;
+ opP->con1->e_beg++;
+ opP->con1->e_end -= 4; /* point to the , */
+ baseo = m68k_reg_parse (&tmpP);
+ if (baseo < ADDR + 0 || baseo > ADDR + 7)
+ {
+ as_bad ("Unknown address reg, using A0");
+ baseo = 0;
+ }
+ else
+ baseo -= ADDR;
+ install_operand ('s', baseo);
+ }
+ tmpreg = get_num (opP->con1, 80);
+ if (!issword (tmpreg))
+ {
+ as_warn ("Expression out of range, using 0");
+ tmpreg = 0;
+ }
+ addword (tmpreg);
+ break;
- case 'D':
- install_operand(s[1],opP->reg-DATA);
- break;
+ case 'D':
+ install_operand (s[1], opP->reg - DATA);
+ break;
- case 'F':
- install_operand(s[1],opP->reg-FPREG);
- break;
+ case 'F':
+ install_operand (s[1], opP->reg - FPREG);
+ break;
- case 'I':
- tmpreg=1+opP->reg-COPNUM;
- if(tmpreg==8)
- tmpreg=0;
- install_operand(s[1],tmpreg);
- break;
+ case 'I':
+ tmpreg = 1 + opP->reg - COPNUM;
+ if (tmpreg == 8)
+ tmpreg = 0;
+ install_operand (s[1], tmpreg);
+ break;
- case 'J': /* JF foo */
- switch(opP->reg) {
- case SFC: tmpreg=0x000; break;
- case DFC: tmpreg=0x001; break;
- case CACR: tmpreg=0x002; break;
- case TC: tmpreg=0x003; break;
- case ITT0: tmpreg=0x004; break;
- case ITT1: tmpreg=0x005; break;
- case DTT0: tmpreg=0x006; break;
- case DTT1: tmpreg=0x007; break;
-
- case USP: tmpreg=0x800; break;
- case VBR: tmpreg=0x801; break;
- case CAAR: tmpreg=0x802; break;
- case MSP: tmpreg=0x803; break;
- case ISP: tmpreg=0x804; break;
- case MMUSR: tmpreg=0x805; break;
- case URP: tmpreg=0x806; break;
- case SRP: tmpreg=0x807; break;
- default:
- as_fatal("failed sanity check.");
- }
- install_operand(s[1],tmpreg);
- break;
+ case 'J': /* JF foo */
+ switch (opP->reg)
+ {
+ case SFC:
+ tmpreg = 0x000;
+ break;
+ case DFC:
+ tmpreg = 0x001;
+ break;
+ case CACR:
+ tmpreg = 0x002;
+ break;
+ case TC:
+ tmpreg = 0x003;
+ break;
+ case ITT0:
+ tmpreg = 0x004;
+ break;
+ case ITT1:
+ tmpreg = 0x005;
+ break;
+ case DTT0:
+ tmpreg = 0x006;
+ break;
+ case DTT1:
+ tmpreg = 0x007;
+ break;
- case 'k':
- tmpreg=get_num(opP->con1,55);
- install_operand(s[1],tmpreg&0x7f);
- break;
+ case USP:
+ tmpreg = 0x800;
+ break;
+ case VBR:
+ tmpreg = 0x801;
+ break;
+ case CAAR:
+ tmpreg = 0x802;
+ break;
+ case MSP:
+ tmpreg = 0x803;
+ break;
+ case ISP:
+ tmpreg = 0x804;
+ break;
+ case MMUSR:
+ tmpreg = 0x805;
+ break;
+ case URP:
+ tmpreg = 0x806;
+ break;
+ case SRP:
+ tmpreg = 0x807;
+ break;
+ default:
+ as_fatal ("failed sanity check.");
+ }
+ install_operand (s[1], tmpreg);
+ break;
- case 'l':
- tmpreg=opP->reg;
- if(s[1]=='w') {
- if(tmpreg&0x7FF0000)
- as_bad("Floating point register in register list");
- insop(reverse_16_bits(tmpreg));
- } else {
- if(tmpreg&0x700FFFF)
- as_bad("Wrong register in floating-point reglist");
- install_operand(s[1],reverse_8_bits(tmpreg>>16));
- }
- break;
+ case 'k':
+ tmpreg = get_num (opP->con1, 55);
+ install_operand (s[1], tmpreg & 0x7f);
+ break;
- case 'L':
- tmpreg=opP->reg;
- if(s[1]=='w') {
- if(tmpreg&0x7FF0000)
- as_bad("Floating point register in register list");
- insop(tmpreg);
- } else if(s[1]=='8') {
- if(tmpreg&0x0FFFFFF)
- as_bad("incorrect register in reglist");
- install_operand(s[1],tmpreg>>24);
- } else {
- if(tmpreg&0x700FFFF)
- as_bad("wrong register in floating-point reglist");
- else
- install_operand(s[1],tmpreg>>16);
- }
- break;
+ case 'l':
+ tmpreg = opP->reg;
+ if (s[1] == 'w')
+ {
+ if (tmpreg & 0x7FF0000)
+ as_bad ("Floating point register in register list");
+ insop (reverse_16_bits (tmpreg));
+ }
+ else
+ {
+ if (tmpreg & 0x700FFFF)
+ as_bad ("Wrong register in floating-point reglist");
+ install_operand (s[1], reverse_8_bits (tmpreg >> 16));
+ }
+ break;
- case 'M':
- install_operand(s[1],get_num(opP->con1,60));
- break;
+ case 'L':
+ tmpreg = opP->reg;
+ if (s[1] == 'w')
+ {
+ if (tmpreg & 0x7FF0000)
+ as_bad ("Floating point register in register list");
+ insop (tmpreg);
+ }
+ else if (s[1] == '8')
+ {
+ if (tmpreg & 0x0FFFFFF)
+ as_bad ("incorrect register in reglist");
+ install_operand (s[1], tmpreg >> 24);
+ }
+ else
+ {
+ if (tmpreg & 0x700FFFF)
+ as_bad ("wrong register in floating-point reglist");
+ else
+ install_operand (s[1], tmpreg >> 16);
+ }
+ break;
- case 'O':
- tmpreg= (opP->mode==DREG)
- ? 0x20+opP->reg-DATA
- : (get_num(opP->con1,40)&0x1F);
- install_operand(s[1],tmpreg);
- break;
+ case 'M':
+ install_operand (s[1], get_num (opP->con1, 60));
+ break;
- case 'Q':
- tmpreg=get_num(opP->con1,10);
- if(tmpreg==8)
- tmpreg=0;
- install_operand(s[1],tmpreg);
- break;
+ case 'O':
+ tmpreg = (opP->mode == DREG)
+ ? 0x20 + opP->reg - DATA
+ : (get_num (opP->con1, 40) & 0x1F);
+ install_operand (s[1], tmpreg);
+ break;
- case 'R':
- case 'r':
- /* This depends on the fact that ADDR registers are
+ case 'Q':
+ tmpreg = get_num (opP->con1, 10);
+ if (tmpreg == 8)
+ tmpreg = 0;
+ install_operand (s[1], tmpreg);
+ break;
+
+ case 'R':
+ case 'r':
+ /* This depends on the fact that ADDR registers are
eight more than their corresponding DATA regs, so
the result will have the ADDR_REG bit set */
- install_operand(s[1],opP->reg-DATA);
- break;
+ install_operand (s[1], opP->reg - DATA);
+ break;
- case 's':
- if(opP->reg==FPI) tmpreg=0x1;
- else if(opP->reg==FPS) tmpreg=0x2;
- else if(opP->reg==FPC) tmpreg=0x4;
- else as_fatal("failed sanity check.");
- install_operand(s[1],tmpreg);
- break;
+ case 's':
+ if (opP->reg == FPI)
+ tmpreg = 0x1;
+ else if (opP->reg == FPS)
+ tmpreg = 0x2;
+ else if (opP->reg == FPC)
+ tmpreg = 0x4;
+ else
+ as_fatal ("failed sanity check.");
+ install_operand (s[1], tmpreg);
+ break;
- case 'S': /* Ignore it */
- break;
+ case 'S': /* Ignore it */
+ break;
- case 'T':
- install_operand(s[1],get_num(opP->con1,30));
- break;
+ case 'T':
+ install_operand (s[1], get_num (opP->con1, 30));
+ break;
- case 'U': /* Ignore it */
- break;
+ case 'U': /* Ignore it */
+ break;
- case 'c':
- switch (opP->reg) {
- case NC: tmpreg = 0; break;
- case DC: tmpreg = 1; break;
- case IC: tmpreg = 2; break;
- case BC: tmpreg = 3; break;
- default:
- as_fatal("failed sanity check");
- } /* switch on cache token */
- install_operand(s[1], tmpreg);
- break;
+ case 'c':
+ switch (opP->reg)
+ {
+ case NC:
+ tmpreg = 0;
+ break;
+ case DC:
+ tmpreg = 1;
+ break;
+ case IC:
+ tmpreg = 2;
+ break;
+ case BC:
+ tmpreg = 3;
+ break;
+ default:
+ as_fatal ("failed sanity check");
+ } /* switch on cache token */
+ install_operand (s[1], tmpreg);
+ break;
#ifndef NO_68851
- /* JF: These are out of order, I fear. */
- case 'f':
- switch (opP->reg) {
- case SFC:
- tmpreg=0;
- break;
- case DFC:
- tmpreg=1;
- break;
- default:
- as_fatal("failed sanity check.");
- }
- install_operand(s[1],tmpreg);
- break;
+ /* JF: These are out of order, I fear. */
+ case 'f':
+ switch (opP->reg)
+ {
+ case SFC:
+ tmpreg = 0;
+ break;
+ case DFC:
+ tmpreg = 1;
+ break;
+ default:
+ as_fatal ("failed sanity check.");
+ }
+ install_operand (s[1], tmpreg);
+ break;
- case 'P':
- switch(opP->reg) {
- case TC:
- tmpreg=0;
- break;
- case CAL:
- tmpreg=4;
- break;
- case VAL:
- tmpreg=5;
- break;
- case SCC:
- tmpreg=6;
- break;
- case AC:
- tmpreg=7;
- break;
- default:
- as_fatal("failed sanity check.");
- }
- install_operand(s[1],tmpreg);
- break;
+ case 'P':
+ switch (opP->reg)
+ {
+ case TC:
+ tmpreg = 0;
+ break;
+ case CAL:
+ tmpreg = 4;
+ break;
+ case VAL:
+ tmpreg = 5;
+ break;
+ case SCC:
+ tmpreg = 6;
+ break;
+ case AC:
+ tmpreg = 7;
+ break;
+ default:
+ as_fatal ("failed sanity check.");
+ }
+ install_operand (s[1], tmpreg);
+ break;
- case 'V':
- if (opP->reg == VAL)
- break;
- as_fatal("failed sanity check.");
+ case 'V':
+ if (opP->reg == VAL)
+ break;
+ as_fatal ("failed sanity check.");
- case 'W':
- switch(opP->reg) {
+ case 'W':
+ switch (opP->reg)
+ {
- case DRP:
- tmpreg=1;
- break;
- case SRP:
- tmpreg=2;
- break;
- case CRP:
- tmpreg=3;
- break;
- default:
- as_fatal("failed sanity check.");
- }
- install_operand(s[1],tmpreg);
- break;
+ case DRP:
+ tmpreg = 1;
+ break;
+ case SRP:
+ tmpreg = 2;
+ break;
+ case CRP:
+ tmpreg = 3;
+ break;
+ default:
+ as_fatal ("failed sanity check.");
+ }
+ install_operand (s[1], tmpreg);
+ break;
- case 'X':
- switch (opP->reg) {
- case BAD: case BAD+1: case BAD+2: case BAD+3:
- case BAD+4: case BAD+5: case BAD+6: case BAD+7:
- tmpreg = (4 << 10) | ((opP->reg - BAD) << 2);
- break;
+ case 'X':
+ switch (opP->reg)
+ {
+ case BAD:
+ case BAD + 1:
+ case BAD + 2:
+ case BAD + 3:
+ case BAD + 4:
+ case BAD + 5:
+ case BAD + 6:
+ case BAD + 7:
+ tmpreg = (4 << 10) | ((opP->reg - BAD) << 2);
+ break;
- case BAC: case BAC+1: case BAC+2: case BAC+3:
- case BAC+4: case BAC+5: case BAC+6: case BAC+7:
- tmpreg = (5 << 10) | ((opP->reg - BAC) << 2);
- break;
+ case BAC:
+ case BAC + 1:
+ case BAC + 2:
+ case BAC + 3:
+ case BAC + 4:
+ case BAC + 5:
+ case BAC + 6:
+ case BAC + 7:
+ tmpreg = (5 << 10) | ((opP->reg - BAC) << 2);
+ break;
- default:
- as_fatal("failed sanity check.");
- }
- install_operand(s[1], tmpreg);
- break;
- case 'Y':
- know(opP->reg == PSR);
- break;
- case 'Z':
- know(opP->reg == PCSR);
- break;
+ default:
+ as_fatal ("failed sanity check.");
+ }
+ install_operand (s[1], tmpreg);
+ break;
+ case 'Y':
+ know (opP->reg == PSR);
+ break;
+ case 'Z':
+ know (opP->reg == PCSR);
+ break;
#endif /* m68851 */
- case '3':
- switch (opP->reg)
- {
- case TT0:
- tmpreg = 2;
+ case '3':
+ switch (opP->reg)
+ {
+ case TT0:
+ tmpreg = 2;
+ break;
+ case TT1:
+ tmpreg = 3;
+ break;
+ default:
+ as_fatal ("failed sanity check");
+ }
+ install_operand (s[1], tmpreg);
+ break;
+ case 't':
+ tmpreg = get_num (opP->con1, 20);
+ install_operand (s[1], tmpreg);
break;
- case TT1:
- tmpreg = 3;
+ case '_': /* used only for move16 absolute 32-bit address */
+ tmpreg = get_num (opP->con1, 80);
+ addword (tmpreg >> 16);
+ addword (tmpreg & 0xFFFF);
break;
default:
- as_fatal ("failed sanity check");
+ as_fatal ("Internal error: Operand type %c unknown in line %d of file \"%s\"",
+ s[0], __LINE__, __FILE__);
}
- install_operand (s[1], tmpreg);
- break;
- case 't':
- tmpreg = get_num (opP->con1, 20);
- install_operand (s[1], tmpreg);
- break;
- case '_': /* used only for move16 absolute 32-bit address */
- tmpreg=get_num(opP->con1,80);
- addword (tmpreg >> 16);
- addword (tmpreg & 0xFFFF);
- break;
- default:
- as_fatal("Internal error: Operand type %c unknown in line %d of file \"%s\"",
- s[0], __LINE__, __FILE__);
}
- }
/* By the time whe get here (FINALLY) the_ins contains the complete
instruction, ready to be emitted. . . */
-} /* m68k_ip() */
+} /* m68k_ip() */
/*
* get_regs := '/' + ?
@@ -2694,265 +3020,299 @@ void m68k_ip (instring)
*
*/
-static int get_regs(i,str,opP)
-int i;
-struct m68k_op *opP;
-char *str;
+static int
+get_regs (i, str, opP)
+ int i;
+ struct m68k_op *opP;
+ char *str;
{
- /* 26, 25, 24, 23-16, 15-8, 0-7 */
- /* Low order 24 bits encoded fpc,fps,fpi,fp7-fp0,a7-a0,d7-d0 */
- unsigned long cur_regs = 0;
- int reg1,
- reg2;
+ /* 26, 25, 24, 23-16, 15-8, 0-7 */
+ /* Low order 24 bits encoded fpc,fps,fpi,fp7-fp0,a7-a0,d7-d0 */
+ unsigned long cur_regs = 0;
+ int reg1, reg2;
#define ADD_REG(x) { if(x==FPI) cur_regs|=(1<<24);\
else if(x==FPS) cur_regs|=(1<<25);\
else if(x==FPC) cur_regs|=(1<<26);\
else cur_regs|=(1<<(x-1)); }
- reg1=i;
- for(;;) {
- if(*str=='/') {
- ADD_REG(reg1);
- str++;
- } else if(*str=='-') {
- str++;
- reg2=m68k_reg_parse(&str);
- if(reg2<DATA || reg2>=FPREG+8 || reg1==FPI || reg1==FPS || reg1==FPC) {
- opP->error="unknown register in register list";
- return FAIL;
- }
- while(reg1<=reg2) {
- ADD_REG(reg1);
- reg1++;
- }
- if(*str=='\0')
- break;
- } else if(*str=='\0') {
- ADD_REG(reg1);
- break;
- } else {
- opP->error="unknow character in register list";
- return FAIL;
- }
- /* DJA -- Bug Fix. Did't handle d1-d2/a1 until the following instruction was added */
- if (*str=='/')
- str ++;
- reg1=m68k_reg_parse(&str);
- if((reg1<DATA || reg1>=FPREG+8) && !(reg1==FPI || reg1==FPS || reg1==FPC)) {
- opP->error="unknown register in register list";
- return FAIL;
- }
+ reg1 = i;
+ for (;;)
+ {
+ if (*str == '/')
+ {
+ ADD_REG (reg1);
+ str++;
+ }
+ else if (*str == '-')
+ {
+ str++;
+ reg2 = m68k_reg_parse (&str);
+ if (reg2 < DATA || reg2 >= FPREG + 8 || reg1 == FPI || reg1 == FPS || reg1 == FPC)
+ {
+ opP->error = "unknown register in register list";
+ return FAIL;
+ }
+ while (reg1 <= reg2)
+ {
+ ADD_REG (reg1);
+ reg1++;
+ }
+ if (*str == '\0')
+ break;
+ }
+ else if (*str == '\0')
+ {
+ ADD_REG (reg1);
+ break;
+ }
+ else
+ {
+ opP->error = "unknow character in register list";
+ return FAIL;
}
- opP->reg=cur_regs;
- return OK;
-} /* get_regs() */
+ /* DJA -- Bug Fix. Did't handle d1-d2/a1 until the following instruction was added */
+ if (*str == '/')
+ str++;
+ reg1 = m68k_reg_parse (&str);
+ if ((reg1 < DATA || reg1 >= FPREG + 8) && !(reg1 == FPI || reg1 == FPS || reg1 == FPC))
+ {
+ opP->error = "unknown register in register list";
+ return FAIL;
+ }
+ }
+ opP->reg = cur_regs;
+ return OK;
+} /* get_regs() */
-static int reverse_16_bits(in)
-int in;
+static int
+reverse_16_bits (in)
+ int in;
{
- int out=0;
- int n;
+ int out = 0;
+ int n;
- static int mask[16] = {
- 0x0001,0x0002,0x0004,0x0008,0x0010,0x0020,0x0040,0x0080,
- 0x0100,0x0200,0x0400,0x0800,0x1000,0x2000,0x4000,0x8000
- };
- for(n=0;n<16;n++) {
- if(in&mask[n])
- out|=mask[15-n];
- }
- return out;
-} /* reverse_16_bits() */
+ static int mask[16] =
+ {
+ 0x0001, 0x0002, 0x0004, 0x0008, 0x0010, 0x0020, 0x0040, 0x0080,
+ 0x0100, 0x0200, 0x0400, 0x0800, 0x1000, 0x2000, 0x4000, 0x8000
+ };
+ for (n = 0; n < 16; n++)
+ {
+ if (in & mask[n])
+ out |= mask[15 - n];
+ }
+ return out;
+} /* reverse_16_bits() */
-static int reverse_8_bits(in)
-int in;
+static int
+reverse_8_bits (in)
+ int in;
{
- int out=0;
- int n;
+ int out = 0;
+ int n;
- static int mask[8] = {
- 0x0001,0x0002,0x0004,0x0008,0x0010,0x0020,0x0040,0x0080,
- };
+ static int mask[8] =
+ {
+ 0x0001, 0x0002, 0x0004, 0x0008, 0x0010, 0x0020, 0x0040, 0x0080,
+ };
- for(n=0;n<8;n++) {
- if(in&mask[n])
- out|=mask[7-n];
- }
- return out;
-} /* reverse_8_bits() */
+ for (n = 0; n < 8; n++)
+ {
+ if (in & mask[n])
+ out |= mask[7 - n];
+ }
+ return out;
+} /* reverse_8_bits() */
-static void install_operand(mode,val)
-int mode;
-int val;
+static void
+install_operand (mode, val)
+ int mode;
+ int val;
{
- switch(mode) {
- case 's':
- the_ins.opcode[0]|=val & 0xFF; /* JF FF is for M kludge */
- break;
- case 'd':
- the_ins.opcode[0]|=val<<9;
- break;
- case '1':
- the_ins.opcode[1]|=val<<12;
- break;
- case '2':
- the_ins.opcode[1]|=val<<6;
- break;
- case '3':
- the_ins.opcode[1]|=val;
- break;
- case '4':
- the_ins.opcode[2]|=val<<12;
- break;
- case '5':
- the_ins.opcode[2]|=val<<6;
- break;
- case '6':
- /* DANGER! This is a hack to force cas2l and cas2w cmds
+ switch (mode)
+ {
+ case 's':
+ the_ins.opcode[0] |= val & 0xFF; /* JF FF is for M kludge */
+ break;
+ case 'd':
+ the_ins.opcode[0] |= val << 9;
+ break;
+ case '1':
+ the_ins.opcode[1] |= val << 12;
+ break;
+ case '2':
+ the_ins.opcode[1] |= val << 6;
+ break;
+ case '3':
+ the_ins.opcode[1] |= val;
+ break;
+ case '4':
+ the_ins.opcode[2] |= val << 12;
+ break;
+ case '5':
+ 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! */
- the_ins.numo++;
- the_ins.opcode[2]|=val;
- break;
- case '7':
- the_ins.opcode[1]|=val<<7;
- break;
- case '8':
- the_ins.opcode[1]|=val<<10;
- break;
+ the_ins.numo++;
+ the_ins.opcode[2] |= val;
+ break;
+ case '7':
+ the_ins.opcode[1] |= val << 7;
+ break;
+ case '8':
+ the_ins.opcode[1] |= val << 10;
+ break;
#ifndef NO_68851
- case '9':
- the_ins.opcode[1]|=val<<5;
- break;
+ case '9':
+ the_ins.opcode[1] |= val << 5;
+ break;
#endif
- case 't':
- the_ins.opcode[1]|=(val<<10)|(val<<7);
- break;
- case 'D':
- the_ins.opcode[1]|=(val<<12)|val;
- break;
- case 'g':
- the_ins.opcode[0]|=val=0xff;
- break;
- case 'i':
- the_ins.opcode[0]|=val<<9;
- break;
- case 'C':
- the_ins.opcode[1]|=val;
- break;
- case 'j':
- the_ins.opcode[1]|=val;
- the_ins.numo++; /* What a hack */
- break;
- case 'k':
- the_ins.opcode[1]|=val<<4;
- break;
- case 'b':
- case 'w':
- case 'l':
- break;
- case 'e':
- the_ins.opcode[0] |= (val << 6);
- break;
- case 'L':
- the_ins.opcode[1] = (val >> 16);
- the_ins.opcode[2] = val & 0xffff;
- break;
- case 'c':
- default:
- as_fatal("failed sanity check.");
- }
-} /* install_operand() */
+ case 't':
+ the_ins.opcode[1] |= (val << 10) | (val << 7);
+ break;
+ case 'D':
+ the_ins.opcode[1] |= (val << 12) | val;
+ break;
+ case 'g':
+ the_ins.opcode[0] |= val = 0xff;
+ break;
+ case 'i':
+ the_ins.opcode[0] |= val << 9;
+ break;
+ case 'C':
+ the_ins.opcode[1] |= val;
+ break;
+ case 'j':
+ the_ins.opcode[1] |= val;
+ the_ins.numo++; /* What a hack */
+ break;
+ case 'k':
+ the_ins.opcode[1] |= val << 4;
+ break;
+ case 'b':
+ case 'w':
+ case 'l':
+ break;
+ case 'e':
+ the_ins.opcode[0] |= (val << 6);
+ break;
+ case 'L':
+ the_ins.opcode[1] = (val >> 16);
+ the_ins.opcode[2] = val & 0xffff;
+ break;
+ case 'c':
+ default:
+ as_fatal ("failed sanity check.");
+ }
+} /* install_operand() */
-static void install_gen_operand(mode,val)
-int mode;
-int val;
+static void
+install_gen_operand (mode, val)
+ int mode;
+ int val;
{
- switch(mode) {
- case 's':
- the_ins.opcode[0]|=val;
- break;
- case 'd':
- /* This is a kludge!!! */
- the_ins.opcode[0]|=(val&0x07)<<9|(val&0x38)<<3;
- break;
- case 'b':
- case 'w':
- case 'l':
- case 'f':
- case 'F':
- case 'x':
- case 'p':
- the_ins.opcode[0]|=val;
- break;
- /* more stuff goes here */
- default:
- as_fatal("failed sanity check.");
- }
-} /* install_gen_operand() */
+ switch (mode)
+ {
+ case 's':
+ the_ins.opcode[0] |= val;
+ break;
+ case 'd':
+ /* This is a kludge!!! */
+ the_ins.opcode[0] |= (val & 0x07) << 9 | (val & 0x38) << 3;
+ break;
+ case 'b':
+ case 'w':
+ case 'l':
+ case 'f':
+ case 'F':
+ case 'x':
+ case 'p':
+ the_ins.opcode[0] |= val;
+ break;
+ /* more stuff goes here */
+ default:
+ as_fatal ("failed sanity check.");
+ }
+} /* install_gen_operand() */
/*
* verify that we have some number of paren pairs, do m68k_ip_op(), and
* then deal with the bitfield hack.
*/
-static char *crack_operand(str,opP)
-register char *str;
-register struct m68k_op *opP;
+static char *
+crack_operand (str, opP)
+ register char *str;
+ register struct m68k_op *opP;
{
- register int parens;
- register int c;
- register char *beg_str;
+ register int parens;
+ register int c;
+ register char *beg_str;
- if(!str) {
- return str;
- }
- beg_str=str;
- for(parens=0;*str && (parens>0 || notend(str));str++) {
- if(*str=='(') parens++;
- else if(*str==')') {
- if(!parens) { /* ERROR */
- opP->error="Extra )";
- return str;
- }
- --parens;
- }
- }
- if(!*str && parens) { /* ERROR */
- opP->error="Missing )";
- return str;
- }
- c= *str;
- *str='\0';
- if(m68k_ip_op(beg_str,opP)==FAIL) {
- *str=c;
- return str;
- }
- *str=c;
- if(c=='}')
- c= *++str; /* JF bitfield hack */
- if(c) {
- c= *++str;
- if(!c)
- as_bad("Missing operand");
+ if (!str)
+ {
+ return str;
+ }
+ beg_str = str;
+ for (parens = 0; *str && (parens > 0 || notend (str)); str++)
+ {
+ if (*str == '(')
+ parens++;
+ else if (*str == ')')
+ {
+ if (!parens)
+ { /* ERROR */
+ opP->error = "Extra )";
+ return str;
+ }
+ --parens;
}
- return str;
+ }
+ if (!*str && parens)
+ { /* ERROR */
+ opP->error = "Missing )";
+ return str;
+ }
+ c = *str;
+ *str = '\0';
+ if (m68k_ip_op (beg_str, opP) == FAIL)
+ {
+ *str = c;
+ return str;
+ }
+ *str = c;
+ if (c == '}')
+ c = *++str; /* JF bitfield hack */
+ if (c)
+ {
+ c = *++str;
+ if (!c)
+ as_bad ("Missing operand");
+ }
+ return str;
}
/* See the comment up above where the #define notend(... is */
#if 0
-notend(s)
-char *s;
+notend (s)
+ char *s;
{
- if(*s==',') return 0;
- if(*s=='{' || *s=='}')
- return 0;
- if(*s!=':') return 1;
- /* This kludge here is for the division cmd, which is a kludge */
- if(index("aAdD#",s[1])) return 0;
- return 1;
+ if (*s == ',')
+ return 0;
+ if (*s == '{' || *s == '}')
+ return 0;
+ if (*s != ':')
+ return 1;
+ /* This kludge here is for the division cmd, which is a kludge */
+ if (index ("aAdD#", s[1]))
+ return 0;
+ return 1;
}
+
#endif
/* This is the guts of the machine-dependent assembler. STR points to a
@@ -2961,130 +3321,141 @@ char *s;
*/
void
-insert_reg(regname, regnum)
-char *regname;
-int regnum;
+insert_reg (regname, regnum)
+ char *regname;
+ int regnum;
{
char buf[100];
int i;
- symbol_table_insert(symbol_new(regname, SEG_REGISTER, regnum, &zero_address_frag));
+
+#ifdef REGISTER_PREFIX
+ buf[0] = REGISTER_PREFIX;
+ strcpy (buf + 1, regname);
+ regname = buf;
+#endif
+
+ symbol_table_insert (symbol_new (regname, SEG_REGISTER, regnum, &zero_address_frag));
for (i = 0; regname[i]; i++)
- buf[i] = islower (regname[i]) ? toupper (regname[i]) : regname[i];
+ buf[i] = islower (regname[i]) ? toupper (regname[i]) : regname[i];
buf[i] = '\0';
- symbol_table_insert(symbol_new(buf, SEG_REGISTER, regnum, &zero_address_frag));
+ symbol_table_insert (symbol_new (buf, SEG_REGISTER, regnum, &zero_address_frag));
}
-static const struct {
-char *name;
-int number;
-} 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,
+static const struct
+ {
+ char *name;
+ int number;
+ }
+
+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,
/* 68ec030 versions of same */
- "ac0", TT0,
- "ac1", TT1,
+ "ac0", TT0,
+ "ac1", TT1,
/* 68ec030 access control unit, identical to 030 MMU status reg */
- "acusr", PSR,
+ "acusr", PSR,
0,
@@ -3092,311 +3463,334 @@ int number;
void
-init_regtable()
+init_regtable ()
{
int i;
for (i = 0; init_table[i].name; i++)
- insert_reg(init_table[i].name, init_table[i].number);
+ insert_reg (init_table[i].name, init_table[i].number);
}
static int no_68851, no_68881;
void
-md_assemble(str)
+md_assemble (str)
char *str;
{
- char *er;
- short *fromP;
- char *toP = NULL;
- int m,n = 0;
- char *to_beg_P;
- int shorts_this_frag;
- static int done_first_time;
-
- if (!done_first_time)
- {
- done_first_time = 1;
+ char *er;
+ short *fromP;
+ char *toP = NULL;
+ int m, n = 0;
+ char *to_beg_P;
+ int shorts_this_frag;
+ static int done_first_time;
+
+ if (!done_first_time)
+ {
+ done_first_time = 1;
- if (cpu_of_arch (current_architecture) == 0)
- {
- int cpu_type;
+ if (cpu_of_arch (current_architecture) == 0)
+ {
+ int cpu_type;
#ifndef TARGET_CPU
- cpu_type = m68020;
+ cpu_type = m68020;
#else
- if (strcmp (TARGET_CPU, "m68000") == 0)
- cpu_type = m68000;
- else if (strcmp (TARGET_CPU, "m68010") == 0)
- cpu_type = m68010;
- else if (strcmp (TARGET_CPU, "m68020") == 0
- || strcmp (TARGET_CPU, "m68k") == 0)
- cpu_type = m68020;
- else if (strcmp (TARGET_CPU, "m68030") == 0)
- cpu_type = m68030;
- else if (strcmp (TARGET_CPU, "m68040") == 0)
- cpu_type = m68040;
- else if (strcmp (TARGET_CPU, "cpu32") == 0)
- cpu_type = cpu32;
- else
- cpu_type = m68020;
+ if (strcmp (TARGET_CPU, "m68000") == 0)
+ cpu_type = m68000;
+ else if (strcmp (TARGET_CPU, "m68010") == 0)
+ cpu_type = m68010;
+ else if (strcmp (TARGET_CPU, "m68020") == 0
+ || strcmp (TARGET_CPU, "m68k") == 0)
+ cpu_type = m68020;
+ else if (strcmp (TARGET_CPU, "m68030") == 0)
+ cpu_type = m68030;
+ else if (strcmp (TARGET_CPU, "m68040") == 0)
+ cpu_type = m68040;
+ else if (strcmp (TARGET_CPU, "cpu32") == 0)
+ cpu_type = cpu32;
+ else
+ cpu_type = m68020;
#endif
- current_architecture |= cpu_type;
- }
- if (current_architecture & m68881)
- {
- if (current_architecture & m68000)
- as_bad ("incompatible processors 68000 and 68881/2 specified");
- if (current_architecture & m68010)
- as_bad ("incompatible processors 68010 and 68881/2 specified");
- if (current_architecture & m68040)
- as_bad ("incompatible processors 68040 and 68881/2 specified");
- }
- /* What other incompatibilities ought we to check for? */
-
- /* Toss in some default assumptions about coprocessors. */
- if (!no_68881
- && (cpu_of_arch (current_architecture)
- /* Can CPU32 have a 68881 coprocessor?? */
- & (m68020 | m68030 | cpu32)))
- {
- current_architecture |= m68881;
- }
- if (!no_68851
- && (cpu_of_arch (current_architecture) & m68020up) != 0)
- {
- current_architecture |= m68851;
- }
- if (no_68881 && (current_architecture & m68881))
- as_bad ("options for 68881 and no-68881 both given");
- if (no_68851 && (current_architecture & m68851))
- as_bad ("options for 68851 and no-68851 both given");
- done_first_time = 1;
- }
+ current_architecture |= cpu_type;
+ }
+#if 0 /* Could be doing emulation. */
+ if (current_architecture & m68881)
+ {
+ if (current_architecture & m68000)
+ as_bad ("incompatible processors 68000 and 68881/2 specified");
+ if (current_architecture & m68010)
+ as_bad ("incompatible processors 68010 and 68881/2 specified");
+ if (current_architecture & m68040)
+ as_bad ("incompatible processors 68040 and 68881/2 specified");
+ }
+#endif
+ /* What other incompatibilities could we check for? */
- memset((char *)(&the_ins), '\0', sizeof(the_ins)); /* JF for paranoia sake */
- m68k_ip(str);
- er=the_ins.error;
- if(!er) {
- for(n=the_ins.numargs;n;--n)
- if(the_ins.operands[n].error) {
- er=the_ins.operands[n].error;
- break;
- }
+ /* Toss in some default assumptions about coprocessors. */
+ if (!no_68881
+ && (cpu_of_arch (current_architecture)
+ /* Can CPU32 have a 68881 coprocessor?? */
+ & (m68020 | m68030 | cpu32)))
+ {
+ current_architecture |= m68881;
}
- if(er) {
- as_bad("%s -- statement `%s' ignored",er,str);
- return;
+ if (!no_68851
+ && (cpu_of_arch (current_architecture) & m68020up) != 0)
+ {
+ current_architecture |= m68851;
}
+ if (no_68881 && (current_architecture & m68881))
+ as_bad ("options for 68881 and no-68881 both given");
+ if (no_68851 && (current_architecture & m68851))
+ as_bad ("options for 68851 and no-68851 both given");
+ done_first_time = 1;
+ }
- if(the_ins.nfrag==0) { /* No frag hacking involved; just put it out */
- toP=frag_more(2*the_ins.numo);
- fromP= &the_ins.opcode[0];
- for(m=the_ins.numo;m;--m) {
- md_number_to_chars(toP,(long)(*fromP),2);
- toP+=2;
- fromP++;
- }
- /* put out symbol-dependent info */
- for(m=0;m<the_ins.nrel;m++) {
- switch(the_ins.reloc[m].wid) {
- case 'B':
- n=1;
- break;
- case 'b':
- n=1;
- break;
- case '3':
- n=2;
- break;
- case 'w':
- n=2;
- break;
- case 'l':
- n=4;
- break;
- default:
- as_fatal("Don't know how to figure width of %c in md_assemble()",the_ins.reloc[m].wid);
- }
+ memset ((char *) (&the_ins), '\0', sizeof (the_ins)); /* JF for paranoia sake */
+ m68k_ip (str);
+ er = the_ins.error;
+ if (!er)
+ {
+ for (n = the_ins.numargs; n; --n)
+ if (the_ins.operands[n].error)
+ {
+ er = the_ins.operands[n].error;
+ break;
+ }
+ }
+ if (er)
+ {
+ as_bad ("%s -- statement `%s' ignored", er, str);
+ return;
+ }
- 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);
- }
- return;
+ if (the_ins.nfrag == 0)
+ { /* No frag hacking involved; just put it out */
+ toP = frag_more (2 * the_ins.numo);
+ fromP = &the_ins.opcode[0];
+ for (m = the_ins.numo; m; --m)
+ {
+ md_number_to_chars (toP, (long) (*fromP), 2);
+ toP += 2;
+ fromP++;
}
+ /* put out symbol-dependent info */
+ for (m = 0; m < the_ins.nrel; m++)
+ {
+ switch (the_ins.reloc[m].wid)
+ {
+ case 'B':
+ n = 1;
+ break;
+ case 'b':
+ n = 1;
+ break;
+ case '3':
+ n = 2;
+ break;
+ case 'w':
+ n = 2;
+ break;
+ case 'l':
+ n = 4;
+ break;
+ default:
+ as_fatal ("Don't know how to figure width of %c in md_assemble()", the_ins.reloc[m].wid);
+ }
- /* There's some frag hacking */
- for(n=0,fromP= &the_ins.opcode[0];n<the_ins.nfrag;n++) {
- int wid;
-
- if(n==0) wid=2*the_ins.fragb[n].fragoff;
- else wid=2*(the_ins.numo-the_ins.fragb[n-1].fragoff);
- toP=frag_more(wid);
- to_beg_P=toP;
- shorts_this_frag=0;
- for(m=wid/2;m;--m) {
- md_number_to_chars(toP,(long)(*fromP),2);
- toP+=2;
- fromP++;
- shorts_this_frag++;
- }
- for(m=0;m<the_ins.nrel;m++) {
- if((the_ins.reloc[m].n)>= 2*shorts_this_frag /* 2*the_ins.fragb[n].fragoff */) {
- the_ins.reloc[m].n-= 2*shorts_this_frag /* 2*the_ins.fragb[n].fragoff */;
- break;
- }
- wid=the_ins.reloc[m].wid;
- if(wid==0)
- continue;
- 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);
- }
- /* know(the_ins.fragb[n].fadd); */
- (void)frag_var(rs_machine_dependent,10,0,(relax_substateT)(the_ins.fragb[n].fragty),
- the_ins.fragb[n].fadd,the_ins.fragb[n].foff,to_beg_P);
+ 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);
}
- n=(the_ins.numo-the_ins.fragb[n-1].fragoff);
- shorts_this_frag=0;
- if(n) {
- toP=frag_more(n*sizeof(short));
- while(n--) {
- md_number_to_chars(toP,(long)(*fromP),2);
- toP+=2;
- fromP++;
- shorts_this_frag++;
- }
+ return;
+ }
+
+ /* There's some frag hacking */
+ for (n = 0, fromP = &the_ins.opcode[0]; n < the_ins.nfrag; n++)
+ {
+ int wid;
+
+ if (n == 0)
+ wid = 2 * the_ins.fragb[n].fragoff;
+ else
+ wid = 2 * (the_ins.numo - the_ins.fragb[n - 1].fragoff);
+ toP = frag_more (wid);
+ to_beg_P = toP;
+ shorts_this_frag = 0;
+ for (m = wid / 2; m; --m)
+ {
+ md_number_to_chars (toP, (long) (*fromP), 2);
+ toP += 2;
+ fromP++;
+ shorts_this_frag++;
}
- for(m=0;m<the_ins.nrel;m++) {
- int wid;
-
- wid=the_ins.reloc[m].wid;
- if(wid==0)
- continue;
- 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)-/* the_ins.numo */ 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);
+ for (m = 0; m < the_ins.nrel; m++)
+ {
+ if ((the_ins.reloc[m].n) >= 2 * shorts_this_frag /* 2*the_ins.fragb[n].fragoff */ )
+ {
+ the_ins.reloc[m].n -= 2 * shorts_this_frag /* 2*the_ins.fragb[n].fragoff */ ;
+ break;
+ }
+ wid = the_ins.reloc[m].wid;
+ if (wid == 0)
+ continue;
+ 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);
+ }
+ /* know(the_ins.fragb[n].fadd); */
+ (void) frag_var (rs_machine_dependent, 10, 0, (relax_substateT) (the_ins.fragb[n].fragty),
+ the_ins.fragb[n].fadd, the_ins.fragb[n].foff, to_beg_P);
+ }
+ n = (the_ins.numo - the_ins.fragb[n - 1].fragoff);
+ shorts_this_frag = 0;
+ if (n)
+ {
+ toP = frag_more (n * sizeof (short));
+ while (n--)
+ {
+ md_number_to_chars (toP, (long) (*fromP), 2);
+ toP += 2;
+ fromP++;
+ shorts_this_frag++;
}
+ }
+ for (m = 0; m < the_ins.nrel; m++)
+ {
+ int wid;
+
+ wid = the_ins.reloc[m].wid;
+ if (wid == 0)
+ continue;
+ 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) - /* the_ins.numo */ 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);
+ }
}
void
- md_begin()
+md_begin ()
{
- /*
+ /*
* md_begin -- set up hash tables with 68000 instructions.
* similar to what the vax assembler does. ---phr
*/
- /* RMS claims the thing to do is take the m68k-opcode.h table, and make
+ /* RMS claims the thing to do is take the m68k-opcode.h table, and make
a copy of it at runtime, adding in the information we want but isn't
there. I think it'd be better to have an awk script hack the table
at compile time. Or even just xstr the table and use it as-is. But
my lord ghod hath spoken, so we do it this way. Excuse the ugly var
names. */
- register const struct m68k_opcode *ins;
- register struct m68k_incant *hack,
- *slak;
- register char *retval = 0; /* empty string, or error msg text */
- register unsigned int i;
- register char c;
-
- if ((op_hash = hash_new()) == NULL)
- as_fatal("Virtual memory exhausted");
-
- obstack_begin(&robyn,4000);
- for (ins = m68k_opcodes; ins < endop; ins++) {
- hack=slak=(struct m68k_incant *)obstack_alloc(&robyn,sizeof(struct m68k_incant));
- do {
- /* we *could* ignore insns that don't match our
+ register const struct m68k_opcode *ins;
+ register struct m68k_incant *hack, *slak;
+ register char *retval = 0; /* empty string, or error msg text */
+ register unsigned int i;
+ register char c;
+
+ if ((op_hash = hash_new ()) == NULL)
+ as_fatal ("Virtual memory exhausted");
+
+ obstack_begin (&robyn, 4000);
+ for (ins = m68k_opcodes; ins < endop; ins++)
+ {
+ hack = slak = (struct m68k_incant *) obstack_alloc (&robyn, sizeof (struct m68k_incant));
+ do
+ {
+ /* we *could* ignore insns that don't match our
arch here but just leaving them out of the
hash. */
- slak->m_operands=ins->args;
- slak->m_opnum=strlen(slak->m_operands)/2;
- slak->m_arch = ins->arch;
- slak->m_opcode=ins->opcode;
- /* This is kludgey */
- slak->m_codenum=((ins->match)&0xffffL) ? 2 : 1;
- if((ins+1)!=endop && !strcmp(ins->name,(ins+1)->name)) {
- slak->m_next=(struct m68k_incant *) obstack_alloc(&robyn,sizeof(struct m68k_incant));
- ins++;
- } else
- slak->m_next=0;
- slak=slak->m_next;
- } while(slak);
-
- retval = hash_insert (op_hash, ins->name,(char *)hack);
- /* Didn't his mommy tell him about null pointers? */
- if(retval && *retval)
- as_bad("Internal Error: Can't hash %s: %s",ins->name,retval);
+ slak->m_operands = ins->args;
+ slak->m_opnum = strlen (slak->m_operands) / 2;
+ slak->m_arch = ins->arch;
+ slak->m_opcode = ins->opcode;
+ /* This is kludgey */
+ slak->m_codenum = ((ins->match) & 0xffffL) ? 2 : 1;
+ if ((ins + 1) != endop && !strcmp (ins->name, (ins + 1)->name))
+ {
+ slak->m_next = (struct m68k_incant *) obstack_alloc (&robyn, sizeof (struct m68k_incant));
+ ins++;
+ }
+ else
+ slak->m_next = 0;
+ slak = slak->m_next;
}
+ while (slak);
- for (i = 0; i < sizeof(mklower_table) ; i++)
- mklower_table[i] = (isupper(c = (char) i)) ? tolower(c) : c;
+ retval = hash_insert (op_hash, ins->name, (char *) hack);
+ /* Didn't his mommy tell him about null pointers? */
+ if (retval && *retval)
+ as_bad ("Internal Error: Can't hash %s: %s", ins->name, retval);
+ }
- for (i = 0 ; i < sizeof(notend_table) ; i++) {
- notend_table[i] = 0;
- alt_notend_table[i] = 0;
- }
- notend_table[','] = 1;
- notend_table['{'] = 1;
- notend_table['}'] = 1;
- alt_notend_table['a'] = 1;
- alt_notend_table['A'] = 1;
- alt_notend_table['d'] = 1;
- alt_notend_table['D'] = 1;
- alt_notend_table['#'] = 1;
- alt_notend_table['f'] = 1;
- alt_notend_table['F'] = 1;
+ for (i = 0; i < sizeof (mklower_table); i++)
+ mklower_table[i] = (isupper (c = (char) i)) ? tolower (c) : c;
+
+ for (i = 0; i < sizeof (notend_table); i++)
+ {
+ notend_table[i] = 0;
+ alt_notend_table[i] = 0;
+ }
+ notend_table[','] = 1;
+ notend_table['{'] = 1;
+ notend_table['}'] = 1;
+ alt_notend_table['a'] = 1;
+ alt_notend_table['A'] = 1;
+ alt_notend_table['d'] = 1;
+ alt_notend_table['D'] = 1;
+ alt_notend_table['#'] = 1;
+ alt_notend_table['f'] = 1;
+ alt_notend_table['F'] = 1;
#ifdef REGISTER_PREFIX
- alt_notend_table[REGISTER_PREFIX] = 1;
+ alt_notend_table[REGISTER_PREFIX] = 1;
#endif
#ifdef OPTIONAL_REGISTER_PREFIX
- alt_notend_table[OPTIONAL_REGISTER_PREFIX] = 1;
+ alt_notend_table[OPTIONAL_REGISTER_PREFIX] = 1;
#endif
#ifndef MIT_SYNTAX_ONLY
- /* Insert pseudo ops, these have to go into the opcode table since
+ /* Insert pseudo ops, these have to go into the opcode table since
gas expects pseudo ops to start with a dot */
- {
- int n = 0;
- while (mote_pseudo_table[n].poc_name)
- {
- hack=(struct m68k_incant *)
- obstack_alloc(&robyn,sizeof(struct m68k_incant));
- hash_insert(op_hash,
- mote_pseudo_table[n].poc_name, (char *)hack);
- hack->m_operands = 0;
- hack->m_opnum = n;
- n++;
- }
- }
+ {
+ int n = 0;
+ while (mote_pseudo_table[n].poc_name)
+ {
+ hack = (struct m68k_incant *)
+ obstack_alloc (&robyn, sizeof (struct m68k_incant));
+ hash_insert (op_hash,
+ mote_pseudo_table[n].poc_name, (char *) hack);
+ hack->m_operands = 0;
+ hack->m_opnum = n;
+ n++;
+ }
+ }
#endif
- init_regtable();
+ init_regtable ();
}
#if 0
@@ -3409,7 +3803,7 @@ void
supposed to do any final cleanup for this part of the assembler.
*/
void
- md_end()
+md_end ()
{
}
@@ -3421,56 +3815,58 @@ void
emitted is stored in *sizeP . An error message is returned, or NULL on OK.
*/
char *
- md_atof(type,litP,sizeP)
-char type;
-char *litP;
-int *sizeP;
+md_atof (type, litP, sizeP)
+ char type;
+ char *litP;
+ int *sizeP;
{
- int prec;
- LITTLENUM_TYPE words[MAX_LITTLENUMS];
- LITTLENUM_TYPE *wordP;
- char *t;
- char *atof_ieee();
+ int prec;
+ LITTLENUM_TYPE words[MAX_LITTLENUMS];
+ LITTLENUM_TYPE *wordP;
+ char *t;
+ char *atof_ieee ();
- switch(type) {
- case 'f':
- case 'F':
- case 's':
- case 'S':
- prec = 2;
- break;
+ switch (type)
+ {
+ case 'f':
+ case 'F':
+ case 's':
+ case 'S':
+ prec = 2;
+ break;
- case 'd':
- case 'D':
- case 'r':
- case 'R':
- prec = 4;
- break;
+ case 'd':
+ case 'D':
+ case 'r':
+ case 'R':
+ prec = 4;
+ break;
- case 'x':
- case 'X':
- prec = 6;
- break;
+ case 'x':
+ case 'X':
+ prec = 6;
+ break;
- case 'p':
- case 'P':
- prec = 6;
- break;
+ case 'p':
+ case 'P':
+ prec = 6;
+ break;
- default:
- *sizeP=0;
- return "Bad call to MD_ATOF()";
- }
- t=atof_ieee(input_line_pointer,type,words);
- if(t)
- input_line_pointer=t;
-
- *sizeP=prec * sizeof(LITTLENUM_TYPE);
- for(wordP=words;prec--;) {
- md_number_to_chars(litP,(long)(*wordP++),sizeof(LITTLENUM_TYPE));
- litP+=sizeof(LITTLENUM_TYPE);
- }
- return ""; /* Someone should teach Dean about null pointers */
+ default:
+ *sizeP = 0;
+ return "Bad call to MD_ATOF()";
+ }
+ t = atof_ieee (input_line_pointer, type, words);
+ if (t)
+ input_line_pointer = t;
+
+ *sizeP = prec * sizeof (LITTLENUM_TYPE);
+ for (wordP = words; prec--;)
+ {
+ md_number_to_chars (litP, (long) (*wordP++), sizeof (LITTLENUM_TYPE));
+ litP += sizeof (LITTLENUM_TYPE);
+ }
+ return ""; /* Someone should teach Dean about null pointers */
}
/* Turn an integer of n bytes (in val) into a stream of bytes appropriate
@@ -3481,61 +3877,63 @@ int *sizeP;
LITTLENUMS (shorts, here at least)
*/
void
- md_number_to_chars(buf,val,n)
-char *buf;
-long val;
-int n;
+md_number_to_chars (buf, val, n)
+ char *buf;
+ long val;
+ int n;
{
- switch(n) {
- case 1:
- *buf++=val;
- break;
- case 2:
- *buf++=(val>>8);
- *buf++=val;
- break;
- case 4:
- *buf++=(val>>24);
- *buf++=(val>>16);
- *buf++=(val>>8);
- *buf++=val;
- break;
- default:
- as_fatal("failed sanity check.");
- }
+ switch (n)
+ {
+ case 1:
+ *buf++ = val;
+ break;
+ case 2:
+ *buf++ = (val >> 8);
+ *buf++ = val;
+ break;
+ case 4:
+ *buf++ = (val >> 24);
+ *buf++ = (val >> 16);
+ *buf++ = (val >> 8);
+ *buf++ = val;
+ break;
+ default:
+ as_fatal ("failed sanity check.");
+ }
}
void
- md_apply_fix(fixP, val)
-fixS *fixP;
-long val;
+md_apply_fix (fixP, val)
+ fixS *fixP;
+ long val;
{
#ifdef IBM_COMPILER_SUX
- /* This is unnecessary but it convinces the native rs6000
+ /* This is unnecessary but it convinces the native rs6000
compiler to generate the code we want. */
- char *buf = fixP->fx_frag->fr_literal;
- buf += fixP->fx_where;
+ char *buf = fixP->fx_frag->fr_literal;
+ buf += fixP->fx_where;
#else /* IBM_COMPILER_SUX */
- char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
+ char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
#endif /* IBM_COMPILER_SUX */
- switch(fixP->fx_size) {
- case 1:
- *buf++=val;
- break;
- case 2:
- *buf++=(val>>8);
- *buf++=val;
- break;
- case 4:
- *buf++=(val>>24);
- *buf++=(val>>16);
- *buf++=(val>>8);
- *buf++=val;
- break;
- default:
- BAD_CASE (fixP->fx_size);
- }
+ switch (fixP->fx_size)
+ {
+ case 1:
+ *buf++ = val;
+ break;
+ case 2:
+ *buf++ = (val >> 8);
+ *buf++ = val;
+ break;
+ case 4:
+ *buf++ = (val >> 24);
+ *buf++ = (val >> 16);
+ *buf++ = (val >> 8);
+ *buf++ = val;
+ break;
+ default:
+ BAD_CASE (fixP->fx_size);
+ }
}
@@ -3544,364 +3942,411 @@ long val;
MAGIC here. ..
*/
void
- md_convert_frag(headers, fragP)
-object_headers *headers;
-register fragS *fragP;
+md_convert_frag (headers, fragP)
+ object_headers *headers;
+ register fragS *fragP;
{
- long disp;
- long ext = 0;
+ long disp;
+ long ext = 0;
- /* Address in object code of the displacement. */
- register int object_address = fragP -> fr_fix + fragP -> fr_address;
+ /* Address in object code of the displacement. */
+ register int object_address = fragP->fr_fix + fragP->fr_address;
#ifdef IBM_COMPILER_SUX
- /* This is wrong but it convinces the native rs6000 compiler to
+ /* This is wrong but it convinces the native rs6000 compiler to
generate the code we want. */
- register char *buffer_address = fragP -> fr_literal;
- buffer_address += fragP -> fr_fix;
+ register char *buffer_address = fragP->fr_literal;
+ buffer_address += fragP->fr_fix;
#else /* IBM_COMPILER_SUX */
- /* Address in gas core of the place to store the displacement. */
- register char *buffer_address = fragP->fr_fix + fragP->fr_literal;
+ /* Address in gas core of the place to store the displacement. */
+ register char *buffer_address = fragP->fr_fix + fragP->fr_literal;
#endif /* IBM_COMPILER_SUX */
- /* No longer true: know(fragP->fr_symbol); */
+ /* No longer true: know(fragP->fr_symbol); */
- /* The displacement of the address, from current location. */
- disp = fragP->fr_symbol ? S_GET_VALUE(fragP->fr_symbol) : 0;
- disp = (disp + fragP->fr_offset) - object_address;
+ /* The displacement of the address, from current location. */
+ disp = fragP->fr_symbol ? S_GET_VALUE (fragP->fr_symbol) : 0;
+ disp = (disp + fragP->fr_offset) - object_address;
- switch(fragP->fr_subtype) {
- case TAB(BCC68000,BYTE):
- case TAB(ABRANCH,BYTE):
- know(issbyte(disp));
- if(disp==0)
- as_bad("short branch with zero offset: use :w");
- fragP->fr_opcode[1]=disp;
- ext=0;
- break;
- case TAB(DBCC,SHORT):
- know(issword(disp));
- ext=2;
- break;
- case TAB(BCC68000,SHORT):
- case TAB(ABRANCH,SHORT):
- know(issword(disp));
- fragP->fr_opcode[1]=0x00;
- ext=2;
- break;
- case TAB(ABRANCH,LONG):
- if (cpu_of_arch(current_architecture) < m68020) {
- if (fragP->fr_opcode[0]==0x61) {
- fragP->fr_opcode[0]= 0x4E;
- fragP->fr_opcode[1]= 0xB9; /* JBSR with ABSL LONG offset */
- subseg_change(SEG_TEXT, 0);
-
- fix_new(fragP,
- fragP->fr_fix,
- 4,
- fragP->fr_symbol,
- 0,
- fragP->fr_offset,
- 0,
- NO_RELOC);
-
- fragP->fr_fix+=4;
- ext=0;
- } else if (fragP->fr_opcode[0]==0x60) {
- fragP->fr_opcode[0]= 0x4E;
- fragP->fr_opcode[1]= 0xF9; /* JMP with ABSL LONG offset */
- subseg_change(SEG_TEXT, 0);
- fix_new(fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0, fragP->fr_offset,0,
- NO_RELOC);
- fragP->fr_fix+=4;
- ext=0;
- } else {
- as_bad("Long branch offset not supported.");
- }
- } else {
- fragP->fr_opcode[1]=0xff;
- ext=4;
- }
- break;
- case TAB(BCC68000,LONG):
- /* only Bcc 68000 instructions can come here */
- /* change bcc into b!cc/jmp absl long */
- fragP->fr_opcode[0] ^= 0x01; /* invert bcc */
- fragP->fr_opcode[1] = 0x6; /* branch offset = 6 */
+ switch (fragP->fr_subtype)
+ {
+ case TAB (BCC68000, BYTE):
+ case TAB (ABRANCH, BYTE):
+ know (issbyte (disp));
+ if (disp == 0)
+ as_bad ("short branch with zero offset: use :w");
+ fragP->fr_opcode[1] = disp;
+ ext = 0;
+ break;
+ case TAB (DBCC, SHORT):
+ know (issword (disp));
+ ext = 2;
+ break;
+ case TAB (BCC68000, SHORT):
+ case TAB (ABRANCH, SHORT):
+ know (issword (disp));
+ fragP->fr_opcode[1] = 0x00;
+ ext = 2;
+ break;
+ case TAB (ABRANCH, LONG):
+ if (cpu_of_arch (current_architecture) < m68020)
+ {
+ if (fragP->fr_opcode[0] == 0x61)
+ {
+ fragP->fr_opcode[0] = 0x4E;
+ fragP->fr_opcode[1] = 0xB9; /* JBSR with ABSL LONG offset */
+ subseg_change (SEG_TEXT, 0);
+
+ fix_new (fragP,
+ fragP->fr_fix,
+ 4,
+ fragP->fr_symbol,
+ 0,
+ fragP->fr_offset,
+ 0,
+ NO_RELOC);
+
+ fragP->fr_fix += 4;
+ ext = 0;
+ }
+ else if (fragP->fr_opcode[0] == 0x60)
+ {
+ fragP->fr_opcode[0] = 0x4E;
+ fragP->fr_opcode[1] = 0xF9; /* JMP with ABSL LONG offset */
+ subseg_change (SEG_TEXT, 0);
+ fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0, fragP->fr_offset, 0,
+ NO_RELOC);
+ fragP->fr_fix += 4;
+ ext = 0;
+ }
+ else
+ {
+ as_bad ("Long branch offset not supported.");
+ }
+ }
+ else
+ {
+ fragP->fr_opcode[1] = 0xff;
+ ext = 4;
+ }
+ break;
+ case TAB (BCC68000, LONG):
+ /* only Bcc 68000 instructions can come here */
+ /* change bcc into b!cc/jmp absl long */
+ fragP->fr_opcode[0] ^= 0x01; /* invert bcc */
+ fragP->fr_opcode[1] = 0x6;/* branch offset = 6 */
- /* JF: these used to be fr_opcode[2,3], but they may be in a
+ /* JF: these used to be fr_opcode[2,3], but they may be in a
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;
- fragP->fr_fix += 2; /* account for jmp instruction */
- subseg_change(SEG_TEXT,0);
- fix_new(fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0,
- fragP->fr_offset,0,
- NO_RELOC);
- fragP->fr_fix += 4;
- ext=0;
- break;
- case TAB(DBCC,LONG):
- /* only DBcc 68000 instructions can come here */
- /* change dbcc into dbcc/jmp absl long */
- /* JF: these used to be fr_opcode[2-7], but that's wrong */
- *buffer_address++ = 0x00; /* branch offset = 4 */
- *buffer_address++ = 0x04;
- *buffer_address++ = 0x60; /* put in bra pc+6 */
- *buffer_address++ = 0x06;
- *buffer_address++ = 0x4e; /* put in jmp long (0x4ef9) */
- *buffer_address++ = 0xf9;
-
- fragP->fr_fix += 6; /* account for bra/jmp instructions */
- subseg_change(SEG_TEXT,0);
- fix_new(fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0,
- fragP->fr_offset,0,
- NO_RELOC);
- fragP->fr_fix += 4;
- ext=0;
- break;
- case TAB(FBRANCH,SHORT):
- know((fragP->fr_opcode[1]&0x40)==0);
- ext=2;
- break;
- case TAB(FBRANCH,LONG):
- fragP->fr_opcode[1]|=0x40; /* Turn on LONG bit */
- ext=4;
- break;
- case TAB(PCREL,SHORT):
- ext=2;
- break;
- case TAB(PCREL,LONG):
- /* The thing to do here is force it to ABSOLUTE LONG, since
+ *buffer_address++ = 0x4e; /* put in jmp long (0x4ef9) */
+ *buffer_address++ = 0xf9;
+ fragP->fr_fix += 2; /* account for jmp instruction */
+ subseg_change (SEG_TEXT, 0);
+ fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0,
+ fragP->fr_offset, 0,
+ NO_RELOC);
+ fragP->fr_fix += 4;
+ ext = 0;
+ break;
+ case TAB (DBCC, LONG):
+ /* only DBcc 68000 instructions can come here */
+ /* change dbcc into dbcc/jmp absl long */
+ /* JF: these used to be fr_opcode[2-7], but that's wrong */
+ *buffer_address++ = 0x00; /* branch offset = 4 */
+ *buffer_address++ = 0x04;
+ *buffer_address++ = 0x60; /* put in bra pc+6 */
+ *buffer_address++ = 0x06;
+ *buffer_address++ = 0x4e; /* put in jmp long (0x4ef9) */
+ *buffer_address++ = 0xf9;
+
+ fragP->fr_fix += 6; /* account for bra/jmp instructions */
+ subseg_change (SEG_TEXT, 0);
+ fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0,
+ fragP->fr_offset, 0,
+ NO_RELOC);
+ fragP->fr_fix += 4;
+ ext = 0;
+ break;
+ case TAB (FBRANCH, SHORT):
+ know ((fragP->fr_opcode[1] & 0x40) == 0);
+ ext = 2;
+ break;
+ case TAB (FBRANCH, LONG):
+ fragP->fr_opcode[1] |= 0x40; /* Turn on LONG bit */
+ ext = 4;
+ break;
+ case TAB (PCREL, SHORT):
+ ext = 2;
+ break;
+ case TAB (PCREL, LONG):
+ /* The thing to do here is force it to ABSOLUTE LONG, since
PCREL is really trying to shorten an ABSOLUTE address anyway */
- /* JF FOO This code has not been tested */
- subseg_change(SEG_TEXT,0);
- fix_new(fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0, 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);
- fragP->fr_opcode[1]&= ~0x3F;
- fragP->fr_opcode[1]|=0x39; /* Mode 7.1 */
- fragP->fr_fix+=4;
- /* md_number_to_chars(buffer_address,
+ /* JF FOO This code has not been tested */
+ subseg_change (SEG_TEXT, 0);
+ fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0, 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);
+ fragP->fr_opcode[1] &= ~0x3F;
+ fragP->fr_opcode[1] |= 0x39; /* Mode 7.1 */
+ fragP->fr_fix += 4;
+ /* md_number_to_chars(buffer_address,
(long)(fragP->fr_symbol->sy_value + fragP->fr_offset),
4); */
- ext=0;
- break;
- case TAB(PCLEA,SHORT):
- subseg_change(SEG_TEXT,0);
- fix_new(fragP,(int)(fragP->fr_fix),2,fragP->fr_symbol,(symbolS *)0,fragP->fr_offset,1,
- NO_RELOC);
- fragP->fr_opcode[1] &= ~0x3F;
- fragP->fr_opcode[1] |= 0x3A;
- ext=2;
- break;
- case TAB(PCLEA,LONG):
- subseg_change(SEG_TEXT,0);
- fix_new(fragP,(int)(fragP->fr_fix)+2,4,fragP->fr_symbol,(symbolS *)0,fragP->fr_offset+2,1,
- NO_RELOC);
- *buffer_address++ = 0x01;
- *buffer_address++ = 0x70;
- fragP->fr_fix+=2;
- /* buffer_address+=2; */
- ext=4;
- break;
+ ext = 0;
+ break;
+ case TAB (PCLEA, SHORT):
+ subseg_change (SEG_TEXT, 0);
+ fix_new (fragP, (int) (fragP->fr_fix), 2, fragP->fr_symbol, (symbolS *) 0, fragP->fr_offset, 1,
+ NO_RELOC);
+ fragP->fr_opcode[1] &= ~0x3F;
+ fragP->fr_opcode[1] |= 0x3A;
+ ext = 2;
+ break;
+ case TAB (PCLEA, LONG):
+ subseg_change (SEG_TEXT, 0);
+ fix_new (fragP, (int) (fragP->fr_fix) + 2, 4, fragP->fr_symbol, (symbolS *) 0, fragP->fr_offset + 2, 1,
+ NO_RELOC);
+ *buffer_address++ = 0x01;
+ *buffer_address++ = 0x70;
+ fragP->fr_fix += 2;
+ /* buffer_address+=2; */
+ ext = 4;
+ break;
-} /* switch on subtype */
+ } /* switch on subtype */
- if (ext) {
- md_number_to_chars(buffer_address, (long) disp, (int) ext);
- fragP->fr_fix += ext;
- /* H_SET_TEXT_SIZE(headers, H_GET_TEXT_SIZE(headers) + ext); */
- } /* if extending */
+ if (ext)
+ {
+ md_number_to_chars (buffer_address, (long) disp, (int) ext);
+ fragP->fr_fix += ext;
+ /* H_SET_TEXT_SIZE(headers, H_GET_TEXT_SIZE(headers) + ext); */
+ } /* if extending */
- return;
-} /* md_convert_frag() */
+ return;
+} /* md_convert_frag() */
/* Force truly undefined symbols to their maximum size, and generally set up
the frag list to be relaxed
*/
-int md_estimate_size_before_relax(fragP, segment)
-register fragS *fragP;
-segT segment;
+int
+md_estimate_size_before_relax (fragP, segment)
+ register fragS *fragP;
+ segT segment;
{
- int old_fix;
- register char *buffer_address = fragP->fr_fix + fragP->fr_literal;
-
- old_fix = fragP->fr_fix;
-
- /* handle SZ_UNDEF first, it can be changed to BYTE or SHORT */
- switch (fragP->fr_subtype) {
-
- case TAB(ABRANCH,SZ_UNDEF): {
- if((fragP->fr_symbol != NULL) /* Not absolute */
- && S_GET_SEGMENT(fragP->fr_symbol) == segment) {
- fragP->fr_subtype=TAB(TABTYPE(fragP->fr_subtype),BYTE);
- break;
- } else if((fragP->fr_symbol == 0) || (cpu_of_arch(current_architecture) < m68020)) {
- /* On 68000, or for absolute value, switch to abs long */
- /* FIXME, we should check abs val, pick short or long */
- if(fragP->fr_opcode[0]==0x61) {
- fragP->fr_opcode[0]= 0x4E;
- fragP->fr_opcode[1]= 0xB9; /* JBSR with ABSL LONG offset */
- subseg_change(SEG_TEXT, 0);
- fix_new(fragP, fragP->fr_fix, 4,
- fragP->fr_symbol, 0, 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 */
- subseg_change(SEG_TEXT, 0);
- fix_new(fragP, fragP->fr_fix, 4,
- fragP->fr_symbol, 0, fragP->fr_offset, 0, NO_RELOC);
- fragP->fr_fix+=4;
- frag_wane(fragP);
- } else {
- as_warn("Long branch offset to extern symbol not supported.");
- }
- } 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_fix+=4;
- fragP->fr_opcode[1]=0xff;
- frag_wane(fragP);
- break;
- }
+ int old_fix;
+ register char *buffer_address = fragP->fr_fix + fragP->fr_literal;
- break;
- } /* case TAB(ABRANCH,SZ_UNDEF) */
-
- case TAB(FBRANCH,SZ_UNDEF): {
- if(S_GET_SEGMENT(fragP->fr_symbol) == segment || flagseen['l']) {
- fragP->fr_subtype = TAB(FBRANCH,SHORT);
- fragP->fr_var += 2;
- } else {
- fragP->fr_subtype = TAB(FBRANCH,LONG);
- fragP->fr_var += 4;
- }
- break;
- } /* TAB(FBRANCH,SZ_UNDEF) */
-
- case TAB(PCREL,SZ_UNDEF): {
- if(S_GET_SEGMENT(fragP->fr_symbol) == segment || flagseen['l']) {
- fragP->fr_subtype = TAB(PCREL,SHORT);
- fragP->fr_var += 2;
- } else {
- fragP->fr_subtype = TAB(PCREL,LONG);
- fragP->fr_var += 4;
- }
- break;
- } /* TAB(PCREL,SZ_UNDEF) */
+ old_fix = fragP->fr_fix;
- case TAB(BCC68000,SZ_UNDEF): {
- if((fragP->fr_symbol != NULL)
- && S_GET_SEGMENT(fragP->fr_symbol) == segment) {
- fragP->fr_subtype=TAB(BCC68000,BYTE);
- break;
- }
- /* only Bcc 68000 instructions can come here */
- /* change bcc into b!cc/jmp absl long */
- fragP->fr_opcode[0] ^= 0x01; /* invert bcc */
- if(flagseen['l']) {
- 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;
- fragP->fr_fix += 2; /* account for jmp instruction */
- subseg_change(SEG_TEXT,0);
- fix_new(fragP, fragP->fr_fix, 2, fragP->fr_symbol, 0,
- fragP->fr_offset, 0, NO_RELOC);
- fragP->fr_fix += 2;
- } else {
- 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;
- fragP->fr_fix += 2; /* account for jmp instruction */
- subseg_change(SEG_TEXT,0);
- fix_new(fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0,
- fragP->fr_offset, 0, NO_RELOC);
- fragP->fr_fix += 4;
- }
- frag_wane(fragP);
- break;
- } /* case TAB(BCC68000,SZ_UNDEF) */
+ /* handle SZ_UNDEF first, it can be changed to BYTE or SHORT */
+ switch (fragP->fr_subtype)
+ {
- case TAB(DBCC,SZ_UNDEF): {
- if (fragP->fr_symbol != NULL && S_GET_SEGMENT(fragP->fr_symbol) == segment) {
- fragP->fr_subtype=TAB(DBCC,SHORT);
- fragP->fr_var+=2;
- break;
- }
- /* only DBcc 68000 instructions can come here */
- /* change dbcc into dbcc/jmp absl long */
- /* JF: these used to be fr_opcode[2-4], which is wrong. */
- buffer_address[0] = 0x00; /* branch offset = 4 */
- buffer_address[1] = 0x04;
- buffer_address[2] = 0x60; /* put in bra pc + ... */
-
- if(flagseen['l']) {
- /* 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;
- fragP->fr_fix += 6; /* account for bra/jmp instruction */
- subseg_change(SEG_TEXT,0);
- fix_new(fragP, fragP->fr_fix, 2, fragP->fr_symbol, 0,
-
-
- fragP->fr_offset, 0, NO_RELOC);
- fragP->fr_fix += 2;
- } else {
- /* 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;
- fragP->fr_fix += 6; /* account for bra/jmp instruction */
- subseg_change(SEG_TEXT,0);
- fix_new(fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0,
- fragP->fr_offset, 0, NO_RELOC);
- fragP->fr_fix += 4;
- }
+ case TAB (ABRANCH, SZ_UNDEF):
+ {
+ if ((fragP->fr_symbol != NULL) /* Not absolute */
+ && S_GET_SEGMENT (fragP->fr_symbol) == segment)
+ {
+ fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), BYTE);
+ break;
+ }
+ else if ((fragP->fr_symbol == 0) || (cpu_of_arch (current_architecture) < m68020))
+ {
+ /* On 68000, or for absolute value, switch to abs long */
+ /* FIXME, we should check abs val, pick short or long */
+ if (fragP->fr_opcode[0] == 0x61)
+ {
+ fragP->fr_opcode[0] = 0x4E;
+ fragP->fr_opcode[1] = 0xB9; /* JBSR with ABSL LONG offset */
+ subseg_change (SEG_TEXT, 0);
+ fix_new (fragP, fragP->fr_fix, 4,
+ fragP->fr_symbol, 0, 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 */
+ subseg_change (SEG_TEXT, 0);
+ fix_new (fragP, fragP->fr_fix, 4,
+ fragP->fr_symbol, 0, fragP->fr_offset, 0, NO_RELOC);
+ fragP->fr_fix += 4;
+ frag_wane (fragP);
+ }
+ else
+ {
+ as_warn ("Long branch offset to extern symbol not supported.");
+ }
+ }
+ 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_fix += 4;
+ fragP->fr_opcode[1] = 0xff;
+ frag_wane (fragP);
+ break;
+ }
- frag_wane(fragP);
- break;
- } /* case TAB(DBCC,SZ_UNDEF) */
-
- case TAB(PCLEA,SZ_UNDEF): {
- if ((S_GET_SEGMENT(fragP->fr_symbol))==segment || flagseen['l']) {
- fragP->fr_subtype=TAB(PCLEA,SHORT);
- fragP->fr_var+=2;
- } else {
- fragP->fr_subtype=TAB(PCLEA,LONG);
- fragP->fr_var+=6;
- }
- break;
- } /* TAB(PCLEA,SZ_UNDEF) */
+ break;
+ } /* case TAB(ABRANCH,SZ_UNDEF) */
- default:
- break;
+ case TAB (FBRANCH, SZ_UNDEF):
+ {
+ if (S_GET_SEGMENT (fragP->fr_symbol) == segment || flagseen['l'])
+ {
+ fragP->fr_subtype = TAB (FBRANCH, SHORT);
+ fragP->fr_var += 2;
+ }
+ else
+ {
+ fragP->fr_subtype = TAB (FBRANCH, LONG);
+ fragP->fr_var += 4;
+ }
+ break;
+ } /* TAB(FBRANCH,SZ_UNDEF) */
- } /* switch on subtype looking for SZ_UNDEF's. */
+ case TAB (PCREL, SZ_UNDEF):
+ {
+ if (S_GET_SEGMENT (fragP->fr_symbol) == segment || flagseen['l'])
+ {
+ fragP->fr_subtype = TAB (PCREL, SHORT);
+ fragP->fr_var += 2;
+ }
+ else
+ {
+ fragP->fr_subtype = TAB (PCREL, LONG);
+ fragP->fr_var += 4;
+ }
+ break;
+ } /* TAB(PCREL,SZ_UNDEF) */
- /* now that SZ_UNDEF are taken care of, check others */
- switch (fragP->fr_subtype) {
- case TAB(BCC68000,BYTE):
- case TAB(ABRANCH,BYTE):
- /* We can't do a short jump to the next instruction,
- so we force word mode. */
- if (fragP->fr_symbol && S_GET_VALUE(fragP->fr_symbol)==0 &&
- fragP->fr_symbol->sy_frag==fragP->fr_next) {
- fragP->fr_subtype=TAB(TABTYPE(fragP->fr_subtype),SHORT);
- fragP->fr_var+=2;
- }
+ case TAB (BCC68000, SZ_UNDEF):
+ {
+ if ((fragP->fr_symbol != NULL)
+ && S_GET_SEGMENT (fragP->fr_symbol) == segment)
+ {
+ fragP->fr_subtype = TAB (BCC68000, BYTE);
+ break;
+ }
+ /* only Bcc 68000 instructions can come here */
+ /* change bcc into b!cc/jmp absl long */
+ fragP->fr_opcode[0] ^= 0x01; /* invert bcc */
+ if (flagseen['l'])
+ {
+ 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;
+ fragP->fr_fix += 2; /* account for jmp instruction */
+ subseg_change (SEG_TEXT, 0);
+ fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, 0,
+ fragP->fr_offset, 0, NO_RELOC);
+ fragP->fr_fix += 2;
+ }
+ else
+ {
+ 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;
+ fragP->fr_fix += 2; /* account for jmp instruction */
+ subseg_change (SEG_TEXT, 0);
+ fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0,
+ fragP->fr_offset, 0, NO_RELOC);
+ fragP->fr_fix += 4;
+ }
+ frag_wane (fragP);
break;
- default:
+ } /* case TAB(BCC68000,SZ_UNDEF) */
+
+ case TAB (DBCC, SZ_UNDEF):
+ {
+ if (fragP->fr_symbol != NULL && S_GET_SEGMENT (fragP->fr_symbol) == segment)
+ {
+ fragP->fr_subtype = TAB (DBCC, SHORT);
+ fragP->fr_var += 2;
+ break;
+ }
+ /* only DBcc 68000 instructions can come here */
+ /* change dbcc into dbcc/jmp absl long */
+ /* JF: these used to be fr_opcode[2-4], which is wrong. */
+ buffer_address[0] = 0x00; /* branch offset = 4 */
+ buffer_address[1] = 0x04;
+ buffer_address[2] = 0x60; /* put in bra pc + ... */
+
+ if (flagseen['l'])
+ {
+ /* 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;
+ fragP->fr_fix += 6; /* account for bra/jmp instruction */
+ subseg_change (SEG_TEXT, 0);
+ fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, 0,
+
+
+ fragP->fr_offset, 0, NO_RELOC);
+ fragP->fr_fix += 2;
+ }
+ else
+ {
+ /* 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;
+ fragP->fr_fix += 6; /* account for bra/jmp instruction */
+ subseg_change (SEG_TEXT, 0);
+ fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, 0,
+ fragP->fr_offset, 0, NO_RELOC);
+ fragP->fr_fix += 4;
+ }
+
+ frag_wane (fragP);
break;
-}
- return fragP->fr_var + fragP->fr_fix - old_fix;
+ } /* case TAB(DBCC,SZ_UNDEF) */
+
+ case TAB (PCLEA, SZ_UNDEF):
+ {
+ if ((S_GET_SEGMENT (fragP->fr_symbol)) == segment || flagseen['l'])
+ {
+ fragP->fr_subtype = TAB (PCLEA, SHORT);
+ fragP->fr_var += 2;
+ }
+ else
+ {
+ fragP->fr_subtype = TAB (PCLEA, LONG);
+ fragP->fr_var += 6;
+ }
+ break;
+ } /* TAB(PCLEA,SZ_UNDEF) */
+
+ default:
+ break;
+
+ } /* switch on subtype looking for SZ_UNDEF's. */
+
+ /* now that SZ_UNDEF are taken care of, check others */
+ switch (fragP->fr_subtype)
+ {
+ case TAB (BCC68000, BYTE):
+ case TAB (ABRANCH, BYTE):
+ /* We can't do a short jump to the next instruction,
+ so we force word mode. */
+ if (fragP->fr_symbol && S_GET_VALUE (fragP->fr_symbol) == 0 &&
+ fragP->fr_symbol->sy_frag == fragP->fr_next)
+ {
+ fragP->fr_subtype = TAB (TABTYPE (fragP->fr_subtype), SHORT);
+ fragP->fr_var += 2;
+ }
+ break;
+ default:
+ break;
+ }
+ return fragP->fr_var + fragP->fr_fix - old_fix;
}
#if defined(OBJ_AOUT) | defined(OBJ_BOUT)
@@ -3917,52 +4362,55 @@ segT segment;
format. */
#ifdef comment
void
- md_ri_to_chars(the_bytes, ri)
-char *the_bytes;
-struct reloc_info_generic *ri;
+md_ri_to_chars (the_bytes, ri)
+ char *the_bytes;
+ struct reloc_info_generic *ri;
{
- /* this is easy */
- md_number_to_chars(the_bytes, ri->r_address, 4);
- /* now the fun stuff */
- the_bytes[4] = (ri->r_symbolnum >> 16) & 0x0ff;
- the_bytes[5] = (ri->r_symbolnum >> 8) & 0x0ff;
- the_bytes[6] = ri->r_symbolnum & 0x0ff;
- the_bytes[7] = (((ri->r_pcrel << 7) & 0x80) | ((ri->r_length << 5) & 0x60) |
- ((ri->r_extern << 4) & 0x10));
+ /* this is easy */
+ md_number_to_chars (the_bytes, ri->r_address, 4);
+ /* now the fun stuff */
+ the_bytes[4] = (ri->r_symbolnum >> 16) & 0x0ff;
+ the_bytes[5] = (ri->r_symbolnum >> 8) & 0x0ff;
+ the_bytes[6] = ri->r_symbolnum & 0x0ff;
+ the_bytes[7] = (((ri->r_pcrel << 7) & 0x80) | ((ri->r_length << 5) & 0x60) |
+ ((ri->r_extern << 4) & 0x10));
}
+
#endif /* comment */
-void tc_aout_fix_to_chars(where, fixP, segment_address_in_file)
-char *where;
-fixS *fixP;
-relax_addressT segment_address_in_file;
+void
+tc_aout_fix_to_chars (where, fixP, segment_address_in_file)
+ char *where;
+ fixS *fixP;
+ relax_addressT segment_address_in_file;
{
- /*
+ /*
* In: length of relocation (or of address) in chars: 1, 2 or 4.
* Out: GNU LD relocation length code: 0, 1, or 2.
*/
- static unsigned char nbytes_r_length [] = { 42, 0, 1, 42, 2 };
- long r_symbolnum;
+ static unsigned char nbytes_r_length[] =
+ {42, 0, 1, 42, 2};
+ long r_symbolnum;
- know(fixP->fx_addsy != NULL);
+ know (fixP->fx_addsy != NULL);
- md_number_to_chars(where,
- fixP->fx_frag->fr_address + fixP->fx_where - segment_address_in_file,
- 4);
+ md_number_to_chars (where,
+ fixP->fx_frag->fr_address + fixP->fx_where - segment_address_in_file,
+ 4);
- r_symbolnum = (S_IS_DEFINED(fixP->fx_addsy)
- ? S_GET_TYPE(fixP->fx_addsy)
- : fixP->fx_addsy->sy_number);
+ r_symbolnum = (S_IS_DEFINED (fixP->fx_addsy)
+ ? S_GET_TYPE (fixP->fx_addsy)
+ : fixP->fx_addsy->sy_number);
- where[4] = (r_symbolnum >> 16) & 0x0ff;
- where[5] = (r_symbolnum >> 8) & 0x0ff;
- where[6] = r_symbolnum & 0x0ff;
- where[7] = (((fixP->fx_pcrel << 7) & 0x80) | ((nbytes_r_length[fixP->fx_size] << 5) & 0x60) |
- (((!S_IS_DEFINED(fixP->fx_addsy)) << 4) & 0x10));
+ where[4] = (r_symbolnum >> 16) & 0x0ff;
+ where[5] = (r_symbolnum >> 8) & 0x0ff;
+ where[6] = r_symbolnum & 0x0ff;
+ where[7] = (((fixP->fx_pcrel << 7) & 0x80) | ((nbytes_r_length[fixP->fx_size] << 5) & 0x60) |
+ (((!S_IS_DEFINED (fixP->fx_addsy)) << 4) & 0x10));
- return;
-} /* tc_aout_fix_to_chars() */
+ return;
+} /* tc_aout_fix_to_chars() */
#endif /* OBJ_AOUT or OBJ_BOUT */
@@ -3971,42 +4419,43 @@ const int md_short_jump_size = 4;
const int md_long_jump_size = 6;
void
- md_create_short_jump(ptr,from_addr,to_addr,frag,to_symbol)
-char *ptr;
-long from_addr,
- to_addr;
-fragS *frag;
-symbolS *to_symbol;
+md_create_short_jump (ptr, from_addr, to_addr, frag, to_symbol)
+ char *ptr;
+ long from_addr, to_addr;
+ fragS *frag;
+ symbolS *to_symbol;
{
- long offset;
+ long offset;
- offset = to_addr - (from_addr+2);
+ offset = to_addr - (from_addr + 2);
- md_number_to_chars(ptr ,(long)0x6000,2);
- md_number_to_chars(ptr+2,(long)offset,2);
+ md_number_to_chars (ptr, (long) 0x6000, 2);
+ md_number_to_chars (ptr + 2, (long) offset, 2);
}
void
- md_create_long_jump(ptr,from_addr,to_addr,frag,to_symbol)
-char *ptr;
-long from_addr,
- to_addr;
-fragS *frag;
-symbolS *to_symbol;
+md_create_long_jump (ptr, from_addr, to_addr, frag, to_symbol)
+ char *ptr;
+ long from_addr, to_addr;
+ fragS *frag;
+ symbolS *to_symbol;
{
- long offset;
-
- if (cpu_of_arch(current_architecture) < m68020) {
- offset=to_addr-S_GET_VALUE(to_symbol);
- md_number_to_chars(ptr ,(long)0x4EF9,2);
- md_number_to_chars(ptr+2,(long)offset,4);
- fix_new(frag,(ptr+2)-frag->fr_literal,4,to_symbol,(symbolS *)0,(long)0,0,
- NO_RELOC);
- } else {
- offset=to_addr - (from_addr+2);
- md_number_to_chars(ptr ,(long)0x60ff,2);
- md_number_to_chars(ptr+2,(long)offset,4);
- }
+ long offset;
+
+ if (cpu_of_arch (current_architecture) < m68020)
+ {
+ offset = to_addr - S_GET_VALUE (to_symbol);
+ md_number_to_chars (ptr, (long) 0x4EF9, 2);
+ md_number_to_chars (ptr + 2, (long) offset, 4);
+ fix_new (frag, (ptr + 2) - frag->fr_literal, 4, to_symbol, (symbolS *) 0, (long) 0, 0,
+ NO_RELOC);
+ }
+ else
+ {
+ offset = to_addr - (from_addr + 2);
+ md_number_to_chars (ptr, (long) 0x60ff, 2);
+ md_number_to_chars (ptr + 2, (long) offset, 4);
+ }
}
#endif
@@ -4025,233 +4474,257 @@ symbolS *to_symbol;
*/
-static int get_num(exp,ok)
-struct m68k_exp *exp;
-int ok;
+static int
+get_num (exp, ok)
+ struct m68k_exp *exp;
+ int ok;
{
#ifdef TEST2
- long l = 0;
+ long l = 0;
- if(!exp->e_beg)
- return 0;
- if(*exp->e_beg=='0') {
- if(exp->e_beg[1]=='x')
- sscanf(exp->e_beg+2,"%x",&l);
- else
- sscanf(exp->e_beg+1,"%O",&l);
- return l;
- }
- return atol(exp->e_beg);
+ if (!exp->e_beg)
+ return 0;
+ if (*exp->e_beg == '0')
+ {
+ if (exp->e_beg[1] == 'x')
+ sscanf (exp->e_beg + 2, "%x", &l);
+ else
+ sscanf (exp->e_beg + 1, "%O", &l);
+ return l;
+ }
+ return atol (exp->e_beg);
#else
- char *save_in;
- char c_save;
+ char *save_in;
+ char c_save;
- if(!exp) {
- /* Can't do anything */
- return 0;
- }
- if(!exp->e_beg || !exp->e_end) {
- seg(exp)=SEG_ABSOLUTE;
- adds(exp)=0;
- subs(exp)=0;
- offs(exp)= (ok==10) ? 1 : 0;
- as_warn("Null expression defaults to %ld",offs(exp));
- return 0;
- }
+ if (!exp)
+ {
+ /* Can't do anything */
+ return 0;
+ }
+ if (!exp->e_beg || !exp->e_end)
+ {
+ seg (exp) = SEG_ABSOLUTE;
+ adds (exp) = 0;
+ subs (exp) = 0;
+ offs (exp) = (ok == 10) ? 1 : 0;
+ as_warn ("Null expression defaults to %ld", offs (exp));
+ return 0;
+ }
- exp->e_siz=0;
- if(/* ok!=80 && */ (exp->e_end[-1]==':' || exp->e_end[-1]=='.')
- && (exp->e_end-exp->e_beg)>=2) {
- switch(exp->e_end[0]) {
- case 's':
- case 'S':
- case 'b':
- case 'B':
- exp->e_siz=1;
- exp->e_end-=2;
- break;
- case 'w':
- case 'W':
- exp->e_siz=2;
- exp->e_end-=2;
- break;
- case 'l':
- case 'L':
- exp->e_siz=3;
- exp->e_end-=2;
- break;
- default:
- if (exp->e_end[-1] == ':')
- as_bad("Unknown size for expression \"%c\"",exp->e_end[0]);
- break;
- }
+ exp->e_siz = 0;
+ if ( /* ok!=80 && */ (exp->e_end[-1] == ':' || exp->e_end[-1] == '.')
+ && (exp->e_end - exp->e_beg) >= 2)
+ {
+ switch (exp->e_end[0])
+ {
+ case 's':
+ case 'S':
+ case 'b':
+ case 'B':
+ exp->e_siz = 1;
+ exp->e_end -= 2;
+ break;
+ case 'w':
+ case 'W':
+ exp->e_siz = 2;
+ exp->e_end -= 2;
+ break;
+ case 'l':
+ case 'L':
+ exp->e_siz = 3;
+ exp->e_end -= 2;
+ break;
+ default:
+ if (exp->e_end[-1] == ':')
+ as_bad ("Unknown size for expression \"%c\"", exp->e_end[0]);
+ break;
}
- c_save=exp->e_end[1];
- exp->e_end[1]='\0';
- save_in=input_line_pointer;
- input_line_pointer=exp->e_beg;
- switch(expression(&(exp->e_exp))) {
- case SEG_PASS1:
- seg(exp)=SEG_ABSOLUTE;
- 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));
- break;
+ }
+ c_save = exp->e_end[1];
+ exp->e_end[1] = '\0';
+ save_in = input_line_pointer;
+ input_line_pointer = exp->e_beg;
+ switch (expression (&(exp->e_exp)))
+ {
+ case SEG_PASS1:
+ seg (exp) = SEG_ABSOLUTE;
+ 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));
+ break;
- case SEG_ABSENT:
- /* Do the same thing the VAX asm does */
- seg(exp)=SEG_ABSOLUTE;
- adds(exp)=0;
- subs(exp)=0;
- offs(exp)=0;
- if(ok==10) {
- as_warn("expression out of range: defaulting to 1");
- offs(exp)=1;
- }
- break;
- case SEG_ABSOLUTE:
- switch(ok) {
- case 10:
- if(offs(exp)<1 || offs(exp)>8) {
- as_warn("expression out of range: defaulting to 1");
- offs(exp)=1;
- }
- break;
- case 20:
- if(offs(exp)<0 || offs(exp)>7)
- goto outrange;
- break;
- case 30:
- if(offs(exp)<0 || offs(exp)>15)
- goto outrange;
- break;
- case 40:
- if(offs(exp)<0 || offs(exp)>32)
- goto outrange;
- break;
- case 50:
- if(offs(exp)<0 || offs(exp)>127)
- goto outrange;
- break;
- case 55:
- if(offs(exp)<-64 || offs(exp)>63)
- goto outrange;
- break;
- case 60:
- if(offs(exp)<-128 || offs(exp)>127)
- goto outrange;
- break;
- case 70:
- if(offs(exp)<0 || offs(exp)>4095) {
- outrange:
- as_warn("expression out of range: defaulting to 0");
- offs(exp)=0;
- }
- break;
- default:
- break;
- }
- break;
- case SEG_BIG:
- 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
- do as well (e.g., in moveq). */
- && generic_floating_point_number.exponent == 0
- && generic_floating_point_number.low[0] == 0)))
- {
- /* HACK! Turn it into a long */
- LITTLENUM_TYPE words[6];
-
- gen_to_words(words,2,8L);/* These numbers are magic! */
- seg(exp)=SEG_ABSOLUTE;
- adds(exp)=0;
- subs(exp)=0;
- offs(exp)=words[1]|(words[0]<<16);
- }
- else if(ok!=0) {
- seg(exp)=SEG_ABSOLUTE;
- adds(exp)=0;
- subs(exp)=0;
- offs(exp)= (ok==10) ? 1 : 0;
- as_warn("Can't deal with expression \"%s\": defaulting to %ld",exp->e_beg,offs(exp));
- }
- break;
+ case SEG_ABSENT:
+ /* Do the same thing the VAX asm does */
+ seg (exp) = SEG_ABSOLUTE;
+ adds (exp) = 0;
+ subs (exp) = 0;
+ offs (exp) = 0;
+ if (ok == 10)
+ {
+ as_warn ("expression out of range: defaulting to 1");
+ offs (exp) = 1;
+ }
+ break;
+ case SEG_ABSOLUTE:
+ switch (ok)
+ {
+ case 10:
+ if (offs (exp) < 1 || offs (exp) > 8)
+ {
+ as_warn ("expression out of range: defaulting to 1");
+ offs (exp) = 1;
+ }
+ break;
+ case 20:
+ if (offs (exp) < 0 || offs (exp) > 7)
+ goto outrange;
+ break;
+ case 30:
+ if (offs (exp) < 0 || offs (exp) > 15)
+ goto outrange;
+ break;
+ case 40:
+ if (offs (exp) < 0 || offs (exp) > 32)
+ goto outrange;
+ break;
+ case 50:
+ if (offs (exp) < 0 || offs (exp) > 127)
+ goto outrange;
+ break;
+ case 55:
+ if (offs (exp) < -64 || offs (exp) > 63)
+ goto outrange;
+ break;
+ case 60:
+ if (offs (exp) < -128 || offs (exp) > 127)
+ goto outrange;
+ break;
+ case 70:
+ if (offs (exp) < 0 || offs (exp) > 4095)
+ {
+ outrange:
+ as_warn ("expression out of range: defaulting to 0");
+ offs (exp) = 0;
+ }
+ break;
default:
- case SEG_TEXT:
- case SEG_DATA:
- case SEG_BSS:
- case SEG_UNKNOWN:
- case SEG_DIFFERENCE:
- if(ok>=10 && ok<=70) {
- seg(exp)=SEG_ABSOLUTE;
- adds(exp)=0;
- subs(exp)=0;
- offs(exp)= (ok==10) ? 1 : 0;
- as_warn("Can't deal with expression \"%s\": defaulting to %ld",exp->e_beg,offs(exp));
- }
- break;
+ break;
+ }
+ break;
+ case SEG_BIG:
+ 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
+ do as well (e.g., in moveq). */
+ && generic_floating_point_number.exponent == 0
+ && generic_floating_point_number.low[0] == 0)))
+ {
+ /* HACK! Turn it into a long */
+ LITTLENUM_TYPE words[6];
+
+ gen_to_words (words, 2, 8L); /* These numbers are magic! */
+ seg (exp) = SEG_ABSOLUTE;
+ adds (exp) = 0;
+ subs (exp) = 0;
+ offs (exp) = words[1] | (words[0] << 16);
+ }
+ else if (ok != 0)
+ {
+ seg (exp) = SEG_ABSOLUTE;
+ adds (exp) = 0;
+ subs (exp) = 0;
+ offs (exp) = (ok == 10) ? 1 : 0;
+ as_warn ("Can't deal with expression \"%s\": defaulting to %ld", exp->e_beg, offs (exp));
+ }
+ break;
+ default:
+ case SEG_TEXT:
+ case SEG_DATA:
+ case SEG_BSS:
+ case SEG_UNKNOWN:
+ case SEG_DIFFERENCE:
+ if (ok >= 10 && ok <= 70)
+ {
+ seg (exp) = SEG_ABSOLUTE;
+ adds (exp) = 0;
+ subs (exp) = 0;
+ offs (exp) = (ok == 10) ? 1 : 0;
+ as_warn ("Can't deal with expression \"%s\": defaulting to %ld", exp->e_beg, offs (exp));
+ }
+ break;
+ }
+ if (input_line_pointer != exp->e_end + 1)
+ as_bad ("Ignoring junk after expression");
+ exp->e_end[1] = c_save;
+ input_line_pointer = save_in;
+ if (exp->e_siz)
+ {
+ switch (exp->e_siz)
+ {
+ case 1:
+ if (!isbyte (offs (exp)))
+ as_warn ("expression doesn't fit in BYTE");
+ break;
+ case 2:
+ if (!isword (offs (exp)))
+ as_warn ("expression doesn't fit in WORD");
+ break;
}
- if(input_line_pointer!=exp->e_end+1)
- as_bad("Ignoring junk after expression");
- exp->e_end[1]=c_save;
- input_line_pointer=save_in;
- if(exp->e_siz) {
- switch(exp->e_siz) {
- case 1:
- if(!isbyte(offs(exp)))
- as_warn("expression doesn't fit in BYTE");
- break;
- case 2:
- if(!isword(offs(exp)))
- as_warn("expression doesn't fit in WORD");
- break;
- }
- }
- return offs(exp);
+ }
+ return offs (exp);
#endif
-} /* get_num() */
+} /* get_num() */
/* These are the back-ends for the various machine dependent pseudo-ops. */
-void demand_empty_rest_of_line(); /* Hate those extra verbose names */
+void demand_empty_rest_of_line (); /* Hate those extra verbose names */
-static void s_data1() {
- subseg_new(SEG_DATA,1);
- demand_empty_rest_of_line();
-} /* s_data1() */
+static void
+s_data1 ()
+{
+ subseg_new (SEG_DATA, 1);
+ demand_empty_rest_of_line ();
+} /* s_data1() */
-static void s_data2() {
- subseg_new(SEG_DATA,2);
- demand_empty_rest_of_line();
-} /* s_data2() */
+static void
+s_data2 ()
+{
+ subseg_new (SEG_DATA, 2);
+ demand_empty_rest_of_line ();
+} /* s_data2() */
-static void s_bss()
+static void
+s_bss ()
{
- /* We don't support putting frags in the BSS segment, we fake it
+ /* 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(SEG_BSS, 0);
- demand_empty_rest_of_line();
-} /* s_bss() */
+ subseg_new (SEG_BSS, 0);
+ demand_empty_rest_of_line ();
+} /* s_bss() */
-static void s_even() {
- register int temp;
- register long temp_fill;
-
- temp = 1; /* JF should be 2? */
- temp_fill = get_absolute_expression ();
- if ( ! need_pass_2 ) /* Never make frag if expect extra pass. */
- frag_align (temp, (int)temp_fill);
- demand_empty_rest_of_line();
-} /* s_even() */
-
-static void s_proc() {
- demand_empty_rest_of_line();
-} /* s_proc() */
+static void
+s_even ()
+{
+ register int temp;
+ register long temp_fill;
+
+ temp = 1; /* JF should be 2? */
+ temp_fill = get_absolute_expression ();
+ if (!need_pass_2) /* Never make frag if expect extra pass. */
+ frag_align (temp, (int) temp_fill);
+ demand_empty_rest_of_line ();
+} /* s_even() */
+
+static void
+s_proc ()
+{
+ demand_empty_rest_of_line ();
+} /* s_proc() */
/* s_space is defined in read.c .skip is simply an alias to it. */
@@ -4280,91 +4753,121 @@ static void s_proc() {
* of that funny floaty stuff going on. FIXME-later.
*/
#ifndef MAYBE_FLOAT_TOO
-#define MAYBE_FLOAT_TOO /* m68881 */ 0 /* this is handled later */
+#define MAYBE_FLOAT_TOO /* m68881 */ 0 /* this is handled later */
#endif
-int md_parse_option(argP,cntP,vecP)
-char **argP;
-int *cntP;
-char ***vecP;
+int
+md_parse_option (argP, cntP, vecP)
+ char **argP;
+ int *cntP;
+ char ***vecP;
{
- switch(**argP) {
- case 'l': /* -l means keep external to 2 bit offset
+ switch (**argP)
+ {
+ case 'l': /* -l means keep external to 2 bit offset
rather than 16 bit one */
- break;
+ break;
- case 'S': /* -S means that jbsr's always turn into jsr's. */
- break;
+ case 'S': /* -S means that jbsr's always turn into jsr's. */
+ break;
- case 'A':
- (*argP)++;
- /* intentional fall-through */
- case 'm':
- (*argP)++;
-
- if (**argP=='c') {
- (*argP)++;
- } /* allow an optional "c" */
-
- if (!strcmp(*argP, "68000")
- || !strcmp(*argP, "68008")) {
- current_architecture |= m68000;
- } else if (!strcmp(*argP, "68010")) {
+ case 'A':
+ (*argP)++;
+ /* intentional fall-through */
+ case 'm':
+ (*argP)++;
+
+ if (**argP == 'c')
+ {
+ (*argP)++;
+ } /* allow an optional "c" */
+
+ if (!strcmp (*argP, "68000")
+ || !strcmp (*argP, "68008"))
+ {
+ current_architecture |= m68000;
+ }
+ else if (!strcmp (*argP, "68010"))
+ {
#ifdef TE_SUN
- omagic= 1<<16|OMAGIC;
+ omagic = 1 << 16 | OMAGIC;
#endif
- current_architecture |= m68010;
+ current_architecture |= m68010;
- } else if (!strcmp(*argP, "68020")) {
- current_architecture |= m68020 | MAYBE_FLOAT_TOO;
+ }
+ else if (!strcmp (*argP, "68020"))
+ {
+ current_architecture |= m68020 | MAYBE_FLOAT_TOO;
- } else if (!strcmp(*argP, "68030")) {
- current_architecture |= m68030 | MAYBE_FLOAT_TOO;
+ }
+ else if (!strcmp (*argP, "68030"))
+ {
+ current_architecture |= m68030 | MAYBE_FLOAT_TOO;
- } else if (!strcmp(*argP, "68040")) {
- current_architecture |= m68040 | MAYBE_FLOAT_TOO;
+ }
+ else if (!strcmp (*argP, "68040"))
+ {
+ current_architecture |= m68040 | MAYBE_FLOAT_TOO;
#ifndef NO_68881
- } else if (!strcmp(*argP, "68881")) {
- current_architecture |= m68881;
+ }
+ else if (!strcmp (*argP, "68881"))
+ {
+ current_architecture |= m68881;
- } else if (!strcmp(*argP, "68882")) {
- current_architecture |= m68882;
+ }
+ else if (!strcmp (*argP, "68882"))
+ {
+ current_architecture |= m68882;
#endif /* NO_68881 */
- /* Even if we aren't configured to support the processor,
+ /* Even if we aren't configured to support the processor,
it should still be possible to assert that the user
doesn't have it... */
- } else if (!strcmp (*argP, "no-68881")
- || !strcmp (*argP, "no-68882")) {
- no_68881 = 1;
+ }
+ else if (!strcmp (*argP, "no-68881")
+ || !strcmp (*argP, "no-68882"))
+ {
+ no_68881 = 1;
#ifndef NO_68851
- } else if (!strcmp(*argP,"68851")) {
- current_architecture |= m68851;
+ }
+ else if (!strcmp (*argP, "68851"))
+ {
+ current_architecture |= m68851;
#endif /* NO_68851 */
- } else if (!strcmp (*argP, "no-68851")) {
- no_68851 = 1;
- } else if (!strcmp (*argP, "pu32")) { /* "-mcpu32" */
- current_architecture |= cpu32;
- } else {
- as_warn("Unknown architecture, \"%s\". option ignored", *argP);
- } /* switch on architecture */
-
- while(**argP) (*argP)++;
+ }
+ else if (!strcmp (*argP, "no-68851"))
+ {
+ no_68851 = 1;
+ }
+ else if (!strcmp (*argP, "pu32"))
+ { /* "-mcpu32" */
+ current_architecture |= cpu32;
+ }
+ else
+ {
+ as_warn ("Unknown architecture, \"%s\". option ignored", *argP);
+ } /* switch on architecture */
- break;
+ while (**argP)
+ (*argP)++;
- case 'p':
- if (!strcmp(*argP,"pic")) {
- (*argP) += 3;
- break; /* -pic, Position Independent Code */
- } else {
- return(0);
- } /* pic or not */
+ break;
- default:
- return 0;
+ case 'p':
+ if (!strcmp (*argP, "pic"))
+ {
+ (*argP) += 3;
+ break; /* -pic, Position Independent Code */
}
- return 1;
+ else
+ {
+ return (0);
+ } /* pic or not */
+
+ default:
+ return 0;
+ }
+ return 1;
}
@@ -4373,64 +4876,70 @@ char ***vecP;
/* TEST2: Test md_assemble() */
/* Warning, this routine probably doesn't work anymore */
-main()
+main ()
{
- struct m68k_it the_ins;
- char buf[120];
- char *cp;
- int n;
-
- m68k_ip_begin();
- for(;;) {
- if(!gets(buf) || !*buf)
- break;
- if(buf[0]=='|' || buf[1]=='.')
- continue;
- for(cp=buf;*cp;cp++)
- if(*cp=='\t')
- *cp=' ';
- if(is_label(buf))
- continue;
- memset(&the_ins, '\0', sizeof(the_ins));
- m68k_ip(&the_ins,buf);
- if(the_ins.error) {
- printf("Error %s in %s\n",the_ins.error,buf);
- } else {
- printf("Opcode(%d.%s): ",the_ins.numo,the_ins.args);
- for(n=0;n<the_ins.numo;n++)
- printf(" 0x%x",the_ins.opcode[n]&0xffff);
- printf(" ");
- print_the_insn(&the_ins.opcode[0],stdout);
- (void)putchar('\n');
- }
- for(n=0;n<strlen(the_ins.args)/2;n++) {
- if(the_ins.operands[n].error) {
- printf("op%d Error %s in %s\n",n,the_ins.operands[n].error,buf);
- continue;
- }
- printf("mode %d, reg %d, ",the_ins.operands[n].mode,the_ins.operands[n].reg);
- if(the_ins.operands[n].b_const)
- printf("Constant: '%.*s', ",1+the_ins.operands[n].e_const-the_ins.operands[n].b_const,the_ins.operands[n].b_const);
- printf("ireg %d, isiz %d, imul %d, ",the_ins.operands[n].ireg,the_ins.operands[n].isiz,the_ins.operands[n].imul);
- if(the_ins.operands[n].b_iadd)
- printf("Iadd: '%.*s',",1+the_ins.operands[n].e_iadd-the_ins.operands[n].b_iadd,the_ins.operands[n].b_iadd);
- (void)putchar('\n');
- }
+ struct m68k_it the_ins;
+ char buf[120];
+ char *cp;
+ int n;
+
+ m68k_ip_begin ();
+ for (;;)
+ {
+ if (!gets (buf) || !*buf)
+ break;
+ if (buf[0] == '|' || buf[1] == '.')
+ continue;
+ for (cp = buf; *cp; cp++)
+ if (*cp == '\t')
+ *cp = ' ';
+ if (is_label (buf))
+ continue;
+ memset (&the_ins, '\0', sizeof (the_ins));
+ m68k_ip (&the_ins, buf);
+ if (the_ins.error)
+ {
+ printf ("Error %s in %s\n", the_ins.error, buf);
}
- m68k_ip_end();
- return 0;
+ else
+ {
+ printf ("Opcode(%d.%s): ", the_ins.numo, the_ins.args);
+ for (n = 0; n < the_ins.numo; n++)
+ printf (" 0x%x", the_ins.opcode[n] & 0xffff);
+ printf (" ");
+ print_the_insn (&the_ins.opcode[0], stdout);
+ (void) putchar ('\n');
+ }
+ for (n = 0; n < strlen (the_ins.args) / 2; n++)
+ {
+ if (the_ins.operands[n].error)
+ {
+ printf ("op%d Error %s in %s\n", n, the_ins.operands[n].error, buf);
+ continue;
+ }
+ printf ("mode %d, reg %d, ", the_ins.operands[n].mode, the_ins.operands[n].reg);
+ if (the_ins.operands[n].b_const)
+ printf ("Constant: '%.*s', ", 1 + the_ins.operands[n].e_const - the_ins.operands[n].b_const, the_ins.operands[n].b_const);
+ printf ("ireg %d, isiz %d, imul %d, ", the_ins.operands[n].ireg, the_ins.operands[n].isiz, the_ins.operands[n].imul);
+ if (the_ins.operands[n].b_iadd)
+ printf ("Iadd: '%.*s',", 1 + the_ins.operands[n].e_iadd - the_ins.operands[n].b_iadd, the_ins.operands[n].b_iadd);
+ (void) putchar ('\n');
+ }
+ }
+ m68k_ip_end ();
+ return 0;
}
-is_label(str)
-char *str;
+is_label (str)
+ char *str;
{
- while(*str==' ')
- str++;
- while(*str && *str!=' ')
- str++;
- if(str[-1]==':' || str[1]=='=')
- return 1;
- return 0;
+ while (*str == ' ')
+ str++;
+ while (*str && *str != ' ')
+ str++;
+ if (str[-1] == ':' || str[1] == '=')
+ return 1;
+ return 0;
}
#endif
@@ -4455,48 +4964,51 @@ char *str;
#ifdef DONTDEF
-abort()
+abort ()
{
- printf("ABORT!\n");
- exit(12);
+ printf ("ABORT!\n");
+ exit (12);
}
-print_frags()
+print_frags ()
{
- fragS *fragP;
- extern fragS *text_frag_root;
+ fragS *fragP;
+ extern fragS *text_frag_root;
- for(fragP=text_frag_root;fragP;fragP=fragP->fr_next) {
- printf("addr %lu next 0x%x fix %ld var %ld symbol 0x%x offset %ld\n",
- fragP->fr_address,fragP->fr_next,fragP->fr_fix,fragP->fr_var,fragP->fr_symbol,fragP->fr_offset);
- printf("opcode 0x%x type %d subtype %d\n\n",fragP->fr_opcode,fragP->fr_type,fragP->fr_subtype);
- }
- fflush(stdout);
- return 0;
+ for (fragP = text_frag_root; fragP; fragP = fragP->fr_next)
+ {
+ printf ("addr %lu next 0x%x fix %ld var %ld symbol 0x%x offset %ld\n",
+ fragP->fr_address, fragP->fr_next, fragP->fr_fix, fragP->fr_var, fragP->fr_symbol, fragP->fr_offset);
+ printf ("opcode 0x%x type %d subtype %d\n\n", fragP->fr_opcode, fragP->fr_type, fragP->fr_subtype);
+ }
+ fflush (stdout);
+ return 0;
}
+
#endif
#ifdef DONTDEF
/*VARARGS1*/
-panic(format,args)
-char *format;
+panic (format, args)
+ char *format;
{
- fputs("Internal error:",stderr);
- _doprnt(format,&args,stderr);
- (void)putc('\n',stderr);
- as_where();
- abort();
+ fputs ("Internal error:", stderr);
+ _doprnt (format, &args, stderr);
+ (void) putc ('\n', stderr);
+ as_where ();
+ abort ();
}
+
#endif
/* We have no need to default values of symbols. */
/* ARGSUSED */
symbolS *
- md_undefined_symbol (name)
-char *name;
+md_undefined_symbol (name)
+ char *name;
{
- return 0;
+ return 0;
}
/* Parse an operand that is machine-specific.
@@ -4505,48 +5017,53 @@ char *name;
/* ARGSUSED */
void
- md_operand (expressionP)
-expressionS *expressionP;
+md_operand (expressionP)
+ expressionS *expressionP;
{
}
/* Round up a section size to the appropriate boundary. */
long
- md_section_align (segment, size)
-segT segment;
-long size;
+md_section_align (segment, size)
+ segT segment;
+ long size;
{
- return size; /* Byte alignment is fine */
+ return size; /* Byte alignment is fine */
}
/* Exactly what point is a PC-relative offset relative TO?
On the 68k, they're relative to the address of the offset, plus
its size. (??? Is this right? FIXME-SOON!) */
long
- md_pcrel_from (fixP)
-fixS *fixP;
+md_pcrel_from (fixP)
+ fixS *fixP;
{
- return(fixP->fx_size + fixP->fx_where + fixP->fx_frag->fr_address);
+ return (fixP->fx_size + fixP->fx_where + fixP->fx_frag->fr_address);
}
-void
+void
tc_coff_symbol_emit_hook ()
{
}
-int
-tc_coff_sizemachdep(frag)
-fragS *frag;
+int
+tc_coff_sizemachdep (frag)
+ fragS *frag;
{
- switch (frag->fr_subtype & 0x3)
- {
- case BYTE: return 1;
- case SHORT: return 2;
- case LONG: return 4;
- default: abort();
- }
+ switch (frag->fr_subtype & 0x3)
+ {
+ case BYTE:
+ return 1;
+ case SHORT:
+ return 2;
+ case LONG:
+ return 4;
+ default:
+ abort ();
+ }
}
+
/*
* Local Variables:
* comment-column: 0
@@ -4555,4 +5072,3 @@ fragS *frag;
*/
/* end of tc-m68k.c */
-