This commit is contained in:
Serge Vakulenko
2014-05-05 11:16:30 -07:00
12 changed files with 86 additions and 44 deletions

View File

@@ -54,49 +54,51 @@
#define RAND_MAX 0x7fff
void abort();
void abort (void);
int abs (int);
int atexit (void (*)(void));
double atof();
int atoi();
long atol();
int atoi (const char *);
long atol (const char *);
void *calloc (size_t, size_t);
void exit (int);
void free (void *);
char *getenv();
char *getenv (const char *);
long labs (long);
void *malloc (size_t);
char *mktemp (char *);
int mkstemp (char *);
void qsort();
int rand();
void qsort (void *, size_t, size_t, int (*)(const void *, const void *));
int rand (void);
void *realloc (void*, size_t);
void srand();
double strtod();
long strtol();
unsigned long strtoul();
int system();
void srand (unsigned);
long strtol (const char *, char **, int);
unsigned long strtoul (const char *, char **, int);
int system (const char *);
int putenv (char *string);
int setenv (const char *name, const char *value, int overwrite);
int unsetenv (const char *name);
char *_findenv (const char *name, int *offset);
void *alloca();
void *alloca (size_t size);
int daemon();
char *devname();
int getloadavg(unsigned loadavg[], int nelem);
int daemon (int, int);
char *devname (dev_t dev, mode_t type);
int getloadavg (unsigned loadavg[], int nelem);
extern char *suboptarg; /* getsubopt(3) external variable */
int getsubopt();
int getsubopt (char **, char **, char **);
long random (void);
char *setstate (char *);
void srandom (unsigned);
#ifndef __SMALLER_C__
double atof (const char *);
double strtod (const char *, char **);
char *ecvt (double, int, int *, int *);
char *fcvt (double, int, int *, int *);
char *gcvt (double, int, char *);
#endif
#endif /* _STDLIB_H_ */

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@@ -1238,7 +1238,7 @@ void emitword (w, r, clobber_reg)
reorder_word = w;
reorder_rel = *r;
reorder_full = 1;
reorder_clobber = clobber_reg;
reorder_clobber = clobber_reg & 15;
} else {
fputword (w, sfile[segm]);
fputrel (r, rfile[segm]);
@@ -1317,10 +1317,9 @@ void makecmd (opcode, type, emitfunc)
unsigned opcode;
void (*emitfunc) (unsigned, struct reloc*);
{
register int clex;
register unsigned offset;
unsigned offset, orig_opcode = 0;
struct reloc relinfo;
int cval, segment, clobber_reg, negate_literal;
int clex, cval, segment, clobber_reg, negate_literal;
offset = 0;
relinfo.flags = RABS;
@@ -1480,6 +1479,7 @@ frs1: clex = getlex (&cval);
cval = (opcode >> 11) & 31; /* get 1-st register */
newop |= cval << 16; /* set 1-st register */
newop |= opcode & (31 << 21); /* set 2-nd register */
orig_opcode = opcode;
opcode = newop;
type = FRT1 | FRS2 | FOFF16 | FMOD;
goto foff16;
@@ -1572,6 +1572,8 @@ fsa: offset = getexpr (&segment);
}
} else if (type & (FOFF16 | FOFF18 | FAOFF18 | FAOFF28 | FHIGH16)) {
/* Relocatable offset */
int valid_range;
if ((type & (FOFF16 | FOFF18 | FHIGH16)) && getlex (&cval) != ',')
uerror ("comma expected");
foff16: expr_flags = 0;
@@ -1589,7 +1591,44 @@ foff16: expr_flags = 0;
relinfo.flags |= RGPREL;
switch (type & (FOFF16 | FOFF18 | FAOFF18 | FAOFF28 | FHIGH16)) {
case FOFF16: /* low 16-bit byte address */
/* Test whether the immediate is in valid range
* for the opcode. */
switch (opcode & 0xfc000000) {
default: /* addi, addiu, slti, sltiu, lw, sw */
/* 16-bit signed value. */
valid_range = (offset >= -0x8000) || (offset <= 0x7fff);
break;
case 0x30000000: /* andi */
case 0x34000000: /* ori */
case 0x38000000: /* xori */
/* 16-bit unsigned value. */
valid_range = (offset <= 0xffff);
break;
}
if (valid_range) {
opcode |= offset & 0xffff;
} else if (orig_opcode == 0 || ! mode_at) {
uerror ("value out of range");
} else {
/* Convert back to 3-reg opcode.
* Insert an extra LI instruction. */
if (segment != SABS)
uerror ("absolute value required");
if (offset <= 0xffff) {
/* ori $1, $zero, value */
emitword (0x34010000 | offset, &relabs, 1);
} else if (offset >= -0x8000) {
/* addiu $1, $zero, value */
emitword (0x24010000 | (offset & 0xffff), &relabs, 1);
} else {
/* lui $1, value[31:16]
* ori $1, $1, value[15:0]) */
emitword (0x3c010000 | (offset >> 16), &relabs, 1);
emitword (0x34210000 | (offset & 0xffff), &relabs, 1);
}
opcode = orig_opcode | 0x10000;
}
break;
case FHIGH16: /* high 16-bit byte address */
if (expr_flags & EXPR_HI) {

View File

@@ -26,4 +26,4 @@ clean:
install: all
install cc $(DESTDIR)/bin/
install cc $(DESTDIR)/bin/scc
install cc $(DESTDIR)/bin/srcc
install cc $(DESTDIR)/bin/lcc

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@@ -449,17 +449,16 @@ main(int argc, char *argv[])
pass0 = LIBEXECDIR "/smallc";
incdir = STDINC "/smallc";
} else if (strcmp ("srcc", progname) == 0) {
/* Smaller C. */
mode = MODE_SMALLERC;
cppadd[0] = "-D__SMALLER_C__";
pass0 = LIBEXECDIR "/smlrc";
incdir = STDINC "/smallerc";
} else {
} else if (strcmp ("lcc", progname) == 0) {
/* LCC: retargetable C compiler. */
mode = MODE_LCC;
cppadd[0] = "-D__LCC__";
pass0 = LIBEXECDIR "/lccom";
} else {
/* Smaller C. */
mode = MODE_SMALLERC;
cppadd[0] = "-D__SMALLER_C__";
pass0 = LIBEXECDIR "/smlrc";
}
if (argc == 1)

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@@ -63,6 +63,10 @@ int GenInitParams(int argc, char** argv, int* idx)
UseGp = 1;
return 1;
}
else if (!strcmp(argv[*idx], "-v"))
{
return 1;
}
return 0;
}

View File

@@ -7593,10 +7593,6 @@ int main(int argc, char** argv)
verbose = 1;
continue;
}
else if (!strcmp(argv[i], "-v"))
{
continue;
}
#ifndef NO_PREPROCESSOR
else if (!strcmp(argv[i], "-I"))
{

View File

@@ -14,7 +14,7 @@
*/
char *
getenv(name)
char *name;
const char *name;
{
int offset;
char *_findenv();

View File

@@ -43,7 +43,8 @@ char *suboptarg;
int
getsubopt(optionp, tokens, valuep)
register char **optionp, **valuep;
register char **optionp;
register char **valuep;
register char **tokens;
{
register int cnt;

View File

@@ -43,11 +43,11 @@
*/
long
strtol(nptr, endptr, base)
char *nptr;
const char *nptr;
char **endptr;
register int base;
{
register char *s = nptr;
register const char *s = nptr;
register unsigned long acc;
register int c;
register unsigned long cutoff;

View File

@@ -43,11 +43,11 @@
*/
unsigned long
strtoul(nptr, endptr, base)
char *nptr;
const char *nptr;
char **endptr;
register int base;
{
register char *s = nptr;
register const char *s = nptr;
register unsigned long acc;
register int c;
register unsigned long cutoff;

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@@ -1,2 +1,3 @@
.deps
pic32
pic32-log.txt

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@@ -140,7 +140,7 @@ unsigned dev_sdcard_io (cpu_mips_t *cpu, unsigned data)
pic32->sdcard[1].select ? &pic32->sdcard[1] : 0;
unsigned reply;
if (! d) {
if (! d || ! d->fd) {
TRACE ("sdcard: unselected i/o\n");
return 0xFF;
}