R_API void r_cons_less_str(const char *str) {
int lines_count;
int w, h, ch, to, ui = 1, from = 0;
char *p = strdup (str);
int *lines = splitlines (p, &lines_count);
r_cons_set_raw (R_TRUE);
r_cons_show_cursor (R_FALSE);
r_cons_reset ();
h = 0;
while (ui) {
w = r_cons_get_size (&h);
to = R_MIN (lines_count, from+h);
if (from+3>lines_count)
from = lines_count-3;
printpage (p, lines, from, to);
ch = r_cons_readchar ();
ch = r_cons_arrow_to_hjkl (ch);
switch (ch) {
case ' ': from += h; break;
case 'g': from = 0; break;
case 'G': from = lines_count-1-h; break;
case 'q': ui = 0; break;
case '\r':
case '\n':
case 'j': from++; break;
case 'J': from+=h; break;
case 'k': if (from>0) from--; break;
case 'K': from = (from>=h)? from-h: 0;
break;
}
}
free (lines);
r_cons_set_raw (R_FALSE);
r_cons_show_cursor (R_TRUE);
}
// gcopnames creates opnames.h from go.h.
// It finds the OXXX enum, pulls out all the constants
// from OXXX to OEND, and writes a table mapping
// op to string.
void
gcopnames(char *dir, char *file)
{
char *p, *q;
int i, j, end;
Buf in, b, out;
Vec lines, fields;
binit(&in);
binit(&b);
binit(&out);
vinit(&lines);
vinit(&fields);
bwritestr(&out, bprintf(&b, "// auto generated by go tool dist\n"));
bwritestr(&out, bprintf(&b, "static char *opnames[] = {\n"));
readfile(&in, bprintf(&b, "%s/go.h", dir));
splitlines(&lines, bstr(&in));
i = 0;
while(i<lines.len && !contains(lines.p[i], "OXXX"))
i++;
end = 0;
for(; i<lines.len && !end; i++) {
p = xstrstr(lines.p[i], "//");
if(p != nil)
*p = '\0';
end = contains(lines.p[i], "OEND");
splitfields(&fields, lines.p[i]);
for(j=0; j<fields.len; j++) {
q = fields.p[j];
if(*q == 'O')
q++;
p = q+xstrlen(q)-1;
if(*p == ',')
*p = '\0';
bwritestr(&out, bprintf(&b, " [O%s] = \"%s\",\n", q, q));
}
}
bwritestr(&out, bprintf(&b, "};\n"));
writefile(&out, file, 0);
bfree(&in);
bfree(&b);
bfree(&out);
vfree(&lines);
vfree(&fields);
}
static PyObject *blocks(PyObject *self, PyObject *args)
{
PyObject *sa, *sb, *rl = NULL, *m;
struct line *a, *b;
struct hunk l, *h;
int an, bn, count, pos = 0;
if (!PyArg_ParseTuple(args, "SS:bdiff", &sa, &sb))
return NULL;
an = splitlines(PyBytes_AsString(sa), PyBytes_Size(sa), &a);
bn = splitlines(PyBytes_AsString(sb), PyBytes_Size(sb), &b);
if (!a || !b)
goto nomem;
l.next = NULL;
count = diff(a, an, b, bn, &l);
if (count < 0)
goto nomem;
rl = PyList_New(count);
if (!rl)
goto nomem;
for (h = l.next; h; h = h->next) {
m = Py_BuildValue("iiii", h->a1, h->a2, h->b1, h->b2);
PyList_SetItem(rl, pos, m);
pos++;
}
nomem:
free(a);
free(b);
freehunks(l.next);
return rl ? rl : PyErr_NoMemory();
}
/*
* Reminder: SonyEricsson doesn't return <used> and <total> values of memory usage:
* > AT+CPBS?
* +CPBS: "ME"
*/
static gn_error ReplyMemoryStatus(int messagetype, unsigned char *buffer, int length, gn_data *data, struct gn_statemachine *state)
{
at_line_buffer buf;
char *pos;
buf.line1 = buffer;
buf.length = length;
splitlines(&buf);
if (buf.line1 == NULL)
return GN_ERR_INVALIDMEMORYTYPE;
if (data->memory_status) {
if (strstr(buf.line2, "+CPBR")) {
pos = strchr(buf.line2, '-');
if (pos) {
data->memory_status->used = atoi(++pos);
data->memory_status->free = 0;
} else {
return GN_ERR_NOTSUPPORTED;
}
}
}
return GN_ERR_NONE;
}
static gn_error ReplyIdentify(int messagetype, unsigned char *buffer, int length, gn_data *data, struct gn_statemachine *state)
{
at_line_buffer buf;
gn_error error;
char *model;
/* If we got incorrect answer, fallback to the default handler;
* we got error handling in there.
* strlen(buffer) < 2 is to avoid overflow with buffer + 1
*/
if (strlen(buffer) < 2 || strncmp(buffer + 1, "AT+CGMM", 7) != 0) {
return (*identify)(messagetype, buffer, length, data, state);
}
if ((error = at_error_get(buffer, state)) != GN_ERR_NONE)
return error;
buf.line1 = buffer + 1;
buf.length = length;
splitlines(&buf);
/* The line usually looks like:
* +CGMM: "GSM900","GSM1800","GSM1900","GSM850","MODEL=V547"
*/
model = strstr(buf.line2, "MODEL=");
if (!model) {
snprintf(data->model, GN_MODEL_MAX_LENGTH, "%s", strip_quotes(buf.line2 + 1 + strlen("+CGMM: ")));
} else {
snprintf(data->model, GN_MODEL_MAX_LENGTH, "%s", strip_quotes(model + strlen("MODEL=")));
model = strchr(data->model, '"');
if (model)
*model = '\0';
}
return GN_ERR_NONE;
}
//--
// TODO: implement the r_diff_lines // we need to implement r_file_line_at (file, off);
R_API int r_diff_buffers_delta(RDiff *d, const ut8 *sa, int la, const ut8 *sb, int lb) {
RDiffOp dop;
struct line *al = NULL;
struct line *bl = NULL;
struct hunklist l = { NULL, NULL };
struct hunk *h;
int an, bn, offa, rlen, offb, len = 0;
int hits = -1;
an = splitlines ((const char *)sa, la, &al);
if (an<0) {
free (al);
return -1;
}
bn = splitlines ((const char *)sb, lb, &bl);
if (bn<0) {
free (al);
free (bl);
return -1;
}
if (!al || !bl) {
eprintf ("bindiff_buffers: Out of memory.\n");
goto beach;
}
l = diff (al, an, bl, bn);
if (!l.head) {
eprintf ("bindiff_buffers: Out of memory.\n");
goto beach;
}
hits = la = lb = 0;
for (h = l.base; h != l.head; h++) {
if (h->a1 != la || h->b1 != lb) {
len = bl[h->b1].l - bl[lb].l;
offa = al[la].l - al->l;
offb = al[h->a1].l - al->l;
rlen = offb-offa;
if (d->callback) {
/* source file */
dop.a_off = offa;
dop.a_buf = (ut8 *)al[la].l;
dop.a_len = rlen;
/* destination file */
dop.b_off = offa; // XXX offb not used??
dop.b_buf = (ut8 *)bl[lb].l;
dop.b_len = len;
if (!d->callback (d, d->user, &dop))
break;
}
#if 0
if (rlen > 0) {
//printf ("Remove %d bytes at %d\n", rlen, offa);
printf ("r-%d @ 0x%"PFMT64x"\n", rlen, (ut64)offa);
}
printf ("e file.write=true\n"); // XXX
printf ("wx ");
for(i=0; i<len; i++)
printf ("%02x", bl[lb].l[i]);
printf (" @ 0x%"PFMT64x"\n", (ut64)offa);
rb += 12 + len;
#endif
}
la = h->a2;
lb = h->b2;
}
beach:
free (al);
free (bl);
free (l.base);
return hits;
}
// shouldbuild reports whether we should build this file.
// It applies the same rules that are used with context tags
// in package go/build, except that the GOOS and GOARCH
// can appear anywhere in the file name, not just after _.
// In particular, they can be the entire file name (like windows.c).
// We also allow the special tag cmd_go_bootstrap.
// See ../go/bootstrap.go and package go/build.
static bool
shouldbuild(char *file, char *dir)
{
char *name, *p;
int i, j, ret;
Buf b;
Vec lines, fields;
// Check file name for GOOS or GOARCH.
name = lastelem(file);
for(i=0; i<nelem(okgoos); i++)
if(contains(name, okgoos[i]) && !streq(okgoos[i], goos))
return 0;
for(i=0; i<nelem(okgoarch); i++)
if(contains(name, okgoarch[i]) && !streq(okgoarch[i], goarch))
return 0;
// Omit test files.
if(contains(name, "_test"))
return 0;
// cmd/go/doc.go has a giant /* */ comment before
// it gets to the important detail that it is not part of
// package main. We don't parse those comments,
// so special case that file.
if(hassuffix(file, "cmd/go/doc.go") || hassuffix(file, "cmd\\go\\doc.go"))
return 0;
if(hassuffix(file, "cmd/cgo/doc.go") || hassuffix(file, "cmd\\cgo\\doc.go"))
return 0;
// Check file contents for // +build lines.
binit(&b);
vinit(&lines);
vinit(&fields);
ret = 1;
readfile(&b, file);
splitlines(&lines, bstr(&b));
for(i=0; i<lines.len; i++) {
p = lines.p[i];
while(*p == ' ' || *p == '\t' || *p == '\r' || *p == '\n')
p++;
if(*p == '\0')
continue;
if(contains(p, "package documentation")) {
ret = 0;
goto out;
}
if(contains(p, "package main") && !streq(dir, "cmd/go") && !streq(dir, "cmd/cgo")) {
ret = 0;
goto out;
}
if(!hasprefix(p, "//"))
break;
if(!contains(p, "+build"))
continue;
splitfields(&fields, lines.p[i]);
if(fields.len < 2 || !streq(fields.p[1], "+build"))
continue;
for(j=2; j<fields.len; j++) {
p = fields.p[j];
if((*p == '!' && !matchfield(p+1)) || matchfield(p))
goto fieldmatch;
}
ret = 0;
goto out;
fieldmatch:;
}
out:
bfree(&b);
vfree(&lines);
vfree(&fields);
return ret;
}
int bdiff(const char *filea, const char *fileb) {
char *sa, *sb;
int i, an, bn, offa, rlen, offb, len = 0;
int la, lb, hits = 0;
struct line *al, *bl;
struct hunklist l = { NULL, NULL };
struct hunk *h;
if((sa = slurp(filea, &la)) == NULL)
return fprintf(stderr, "Cannot open %s\n", filea), 0;
if((sb = slurp(fileb, &lb)) == NULL)
return fprintf(stderr, "Cannot open %s\n", fileb), 0;
/* TODO: split to function here */
an = splitlines(sa, la, &al);
bn = splitlines(sb, lb, &bl);
if(!al || !bl)
return -1;
l = diff(al, an, bl, bn);
if(!l.head)
return -1;
la = lb = 0;
for(h = l.base; h != l.head; h++) {
if(h->a1 != la || h->b1 != lb) {
len = bl[h->b1].l - bl[lb].l;
offa = al[la].l - al->l;
offb = al[h->a1].l - al->l;
rlen = offb-offa;
//fprintf(stderr, "all: %d %d\n", );
//fprintf(stderr, "len: %d %d\n", len, rlen);
//fprintf(stderr, "off: %d %d\n", offa, offb);
if(rlen>len)
printf("r-%d@%d\n", (rlen-len), offa);
else printf("r+%d@%d\n", (len-rlen), offb);
if(len == rlen) {
for(i=0; i<len; i++) {
if(bl[lb].l[i] != bl[la].l[i])
fprintf(stderr, "%02x %02x\n",
(unsigned char)
bl[lb].l[i],
(unsigned char)
bl[la].l[i]);
}
// XXX fprintf(stderr, "%02x @ 0x%x\n", bl[la].l[i], offa);
fprintf(stderr, "WARNING: Binary patch failed\n");
}
if(len > 0) {
printf("w ");
for(i=0;i<len;i++)
printf("%02x", (unsigned char)bl[lb].l[i]);
printf("@%d#len\n", offa);
} else
if(rlen > 0) {
printf("w ");
for(i=0; i<rlen; i++)
printf("%02x", (unsigned char)bl[la].l[i]);
printf("@%d#rlen\n", offa);
}
}
la = h->a2;
lb = h->b2;
}
free(al);
free(bl);
free(l.base);
return hits;
}
clidata_t *handle_cp( int clisock, char *hdrs, int proto ) {
char *macaddr;
iprange_t *ranges=NULL;
iprange_t **rangep=&ranges;
char *body;
char **lines;
clidata_t *client;
char buf[CP2_OK_MAXBODY];
int i;
int len;
/* Get body of request. body gets malloc()d data */
if( (body=getbody(clisock, hdrs, &len)) == NULL ) {
lprintf(log, WARN, "Client did not send expected amount");
goto cleanup1;
}
dprintf(log, DEBUG, "Got body: %s", body);
/* Split lines of input. lines get malloc()d data */
if( (lines=splitlines(body)) == NULL ) {
lprintf(log, ERROR,
"Problem splittling lines with splitlines()");
fdprintf(clisock, RESPONSE_500_ERR);
goto cleanup2;
}
dprintf(log, DEBUG, "split lines successfully.");
/* Set macaddr based on the first line */
if( (macaddr=lines[0]) == NULL ) {
lprintf(log, WARN,
"Client did not send MAC address line!");
fdprintf(clisock, RESPONSE_400);
goto cleanup3;
}
chomp(macaddr);
dprintf(log, DEBUG, "Got macaddr %s.", macaddr);
/* Interpret the ipranges. make_iprange() ranges gets malloc()d data */
for( i=1; lines[i]; i++ ) {
dprintf(log, DEBUG, "About to convert %s", lines[i]);
if( (*rangep=make_iprange(lines[i])) == NULL ) {
if( *lines[i] ) {
lprintf(log, WARN,
"Client sent invalid ip range: %s",
lines[i]);
}
continue;
}
rangep=&(*rangep)->next;
}
if( ranges == NULL ) {
lprintf(log, WARN, "Client sent no ip ranges. Dropping.");
fdprintf(clisock, RESPONSE_400);
goto cleanup3;
}
dprintf(log, DEBUG,
"About to get clidata for MAC addr %s.", macaddr);
/* Get clidata for this client */
if( (client=get_clidata(clients, macaddr)) == NULL ) {
dprintf(log, DEBUG,
"Need to make new clidata for %s.", macaddr);
if( (client=add_clidata(clients, macaddr)) == NULL ) {
lprintf(log, WARN,
"Could not create clidata! Dropping client.");
fdprintf(clisock, RESPONSE_500_ERR);
free_iprange_list(&ranges);
goto cleanup3;
}
client->iprange = ranges;
client->chan1 = clisock;
dprintf(log, DEBUG, "About to call srv_tun_alloc()");
if( srv_tun_alloc(client, clients) == -1 ) {
fdprintf(clisock, RESPONSE_503);
goto cleanup4;
}
if( proto == 1 ) {
if( srv_start_tunfile_reader(client) == -1 ) goto cleanup4;
}
if( srv_start_tunfile_writer(client) == -1 ) goto cleanup4;
} else {
char ip1[16], ip2[16];
strcpy(ip1, inet_ntoa(client->srvaddr));
strcpy(ip2, inet_ntoa(client->cliaddr));
lprintf(log, INFO,
"Client %s found. localip=%s, peerip=%s.", macaddr, ip1, ip2);
if( client->chan1 != -1 ) {
lprintf(log, WARN,
"Client chan1 appears to be connected already. Dropping old.");
close(client->chan1);
client->chan1 = -1;
}
if( client->chan2 != -1 ) {
lprintf(log, WARN,
"Client chan2 appears to be connected already. Dropping old.");
close(client->chan2);
client->chan2 = -1;
}
if( client->iprange ) free_iprange_list( &client->iprange );
client->iprange = ranges;
client->chan1 = clisock;
}
dprintf(log, DEBUG, "About to respond to client");
{
char ip1[16], ip2[16];
strcpy(ip1,inet_ntoa(client->cliaddr));
strcpy(ip2,inet_ntoa(client->srvaddr));
sprintf(buf, "%s\n%s\n", ip1, ip2);
}
fdprintf(clisock, RESPONSE_200, strlen(buf), buf);
dprintf(log, DEBUG, "Returning");
return client;
cleanup4:
remove_clidata(clients, client->macaddr);
cleanup3:
free(lines);
cleanup2:
free(body);
cleanup1:
return NULL;
}
clidata_t *handle_cr( int clisock, char *hdrs ) {
char *macaddr;
char *body;
char **lines;
clidata_t *client;
int len;
if( (body=getbody(clisock, hdrs, &len)) == NULL ) {
lprintf(log, WARN,
"Client did not send the expected amount");
goto cleanup1;
}
dprintf(log, DEBUG, "Got body: %s", body);
if( (lines=splitlines(body)) == NULL ) {
lprintf(log, ERROR,
"Problem splittling lines with splitlines()");
fdprintf(clisock, RESPONSE_500_ERR);
goto cleanup2;
}
dprintf(log, DEBUG, "split lines successfully.");
if( (macaddr=lines[0]) == NULL ) {
lprintf(log, WARN,
"Client did not send MAC address line!");
fdprintf(clisock, RESPONSE_400);
goto cleanup3;
}
chomp(macaddr);
dprintf(log, DEBUG, "Got macaddr %s.", macaddr);
dprintf(log, DEBUG,
"About to get clidata for MAC addr %s.", macaddr);
if( (client=get_clidata(clients, macaddr)) == NULL ) {
lprintf(log, INFO,
"Client tried to connect chan2 before chan1");
fdprintf(clisock, RESPONSE_412);
goto cleanup3;
}
dprintf(log, DEBUG,
"Clidata found for MAC addr %s.", macaddr);
client->chan2 = clisock;
dprintf(log, DEBUG, "Creating recvq for new send channel");
if( (client->sendq=q_init()) == NULL ) {
lprintf(log, ERROR,
"Unable to create recvq for new client!");
goto cleanup3;
}
if( srv_start_tunfile_reader(client) == -1 ) {
dprintf(log, DEBUG, "About to start tunfile reader");
fdprintf(clisock, RESPONSE_500_BUSY);
goto cleanup3;
}
dprintf(log, DEBUG, "About to respond to client");
fdprintf(clisock, RESPONSE_204);
dprintf(log, DEBUG, "Returning");
return client;
cleanup3:
free(lines);
cleanup2:
free(body);
cleanup1:
return NULL;
}
// mkzruntimedefs writes zruntime_defs_$GOOS_$GOARCH.h,
// which contains Go struct definitions equivalent to the C ones.
// Mostly we just write the output of 6c -q to the file.
// However, we run it on multiple files, so we have to delete
// the duplicated definitions, and we don't care about the funcs
// and consts, so we delete those too.
//
void
mkzruntimedefs(char *dir, char *file)
{
int i, skip;
char *p;
Buf in, b, out;
Vec argv, lines, fields, seen;
binit(&in);
binit(&b);
binit(&out);
vinit(&argv);
vinit(&lines);
vinit(&fields);
vinit(&seen);
bwritestr(&out, "// auto generated by go tool dist\n"
"\n"
"package runtime\n"
"import \"unsafe\"\n"
"var _ unsafe.Pointer\n"
"\n"
);
// Run 6c -DGOOS_goos -DGOARCH_goarch -Iworkdir -q
// on each of the runtimedefs C files.
vadd(&argv, bpathf(&b, "%s/%sc", tooldir, gochar));
vadd(&argv, bprintf(&b, "-DGOOS_%s", goos));
vadd(&argv, bprintf(&b, "-DGOARCH_%s", goarch));
vadd(&argv, bprintf(&b, "-I%s", workdir));
vadd(&argv, "-q");
vadd(&argv, "");
p = argv.p[argv.len-1];
for(i=0; i<nelem(runtimedefs); i++) {
argv.p[argv.len-1] = runtimedefs[i];
runv(&b, dir, CheckExit, &argv);
bwriteb(&in, &b);
}
argv.p[argv.len-1] = p;
// Process the aggregate output.
skip = 0;
splitlines(&lines, bstr(&in));
for(i=0; i<lines.len; i++) {
p = lines.p[i];
// Drop comment, func, and const lines.
if(hasprefix(p, "//") || hasprefix(p, "const") || hasprefix(p, "func"))
continue;
// Note beginning of type or var decl, which can be multiline.
// Remove duplicates. The linear check of seen here makes the
// whole processing quadratic in aggregate, but there are only
// about 100 declarations, so this is okay (and simple).
if(hasprefix(p, "type ") || hasprefix(p, "var ")) {
splitfields(&fields, p);
if(fields.len < 2)
continue;
if(find(fields.p[1], seen.p, seen.len) >= 0) {
if(streq(fields.p[fields.len-1], "{"))
skip = 1; // skip until }
continue;
}
vadd(&seen, fields.p[1]);
}
if(skip) {
if(hasprefix(p, "}"))
skip = 0;
continue;
}
bwritestr(&out, p);
}
writefile(&out, file, 0);
bfree(&in);
bfree(&b);
bfree(&out);
vfree(&argv);
vfree(&lines);
vfree(&fields);
vfree(&seen);
}
// mkzasm writes zasm_$GOOS_$GOARCH.h,
// which contains struct offsets for use by
// assembly files. It also writes a copy to the work space
// under the name zasm_GOOS_GOARCH.h (no expansion).
//
void
mkzasm(char *dir, char *file)
{
int i, n;
char *aggr, *p;
Buf in, b, out;
Vec argv, lines, fields;
binit(&in);
binit(&b);
binit(&out);
vinit(&argv);
vinit(&lines);
vinit(&fields);
bwritestr(&out, "// auto generated by go tool dist\n\n");
for(i=0; i<nelem(zasmhdr); i++) {
if(hasprefix(goarch, zasmhdr[i].goarch) && hasprefix(goos, zasmhdr[i].goos)) {
bwritestr(&out, zasmhdr[i].hdr);
goto ok;
}
}
fatal("unknown $GOOS/$GOARCH in mkzasm");
ok:
// Run 6c -DGOOS_goos -DGOARCH_goarch -Iworkdir -a proc.c
// to get acid [sic] output.
vreset(&argv);
vadd(&argv, bpathf(&b, "%s/%sc", tooldir, gochar));
vadd(&argv, bprintf(&b, "-DGOOS_%s", goos));
vadd(&argv, bprintf(&b, "-DGOARCH_%s", goarch));
vadd(&argv, bprintf(&b, "-I%s", workdir));
vadd(&argv, "-a");
vadd(&argv, "proc.c");
runv(&in, dir, CheckExit, &argv);
// Convert input like
// aggr G
// {
// Gobuf 24 sched;
// 'Y' 48 stack0;
// }
// into output like
// #define g_sched 24
// #define g_stack0 48
//
aggr = nil;
splitlines(&lines, bstr(&in));
for(i=0; i<lines.len; i++) {
splitfields(&fields, lines.p[i]);
if(fields.len == 2 && streq(fields.p[0], "aggr")) {
if(streq(fields.p[1], "G"))
aggr = "g";
else if(streq(fields.p[1], "M"))
aggr = "m";
else if(streq(fields.p[1], "Gobuf"))
aggr = "gobuf";
else if(streq(fields.p[1], "WinCall"))
aggr = "wincall";
}
if(hasprefix(lines.p[i], "}"))
aggr = nil;
if(aggr && hasprefix(lines.p[i], "\t") && fields.len >= 2) {
n = fields.len;
p = fields.p[n-1];
if(p[xstrlen(p)-1] == ';')
p[xstrlen(p)-1] = '\0';
bwritestr(&out, bprintf(&b, "#define %s_%s %s\n", aggr, fields.p[n-1], fields.p[n-2]));
}
}
// Write both to file and to workdir/zasm_GOOS_GOARCH.h.
writefile(&out, file, 0);
writefile(&out, bprintf(&b, "%s/zasm_GOOS_GOARCH.h", workdir), 0);
bfree(&in);
bfree(&b);
bfree(&out);
vfree(&argv);
vfree(&lines);
vfree(&fields);
}
// mkzasm writes zasm_$GOOS_$GOARCH.h,
// which contains struct offsets for use by
// assembly files. It also writes a copy to the work space
// under the name zasm_GOOS_GOARCH.h (no expansion).
//
void
mkzasm(char *dir, char *file)
{
int i, n;
char *aggr, *p;
Buf in, b, out, exp;
Vec argv, lines, fields;
binit(&in);
binit(&b);
binit(&out);
binit(&exp);
vinit(&argv);
vinit(&lines);
vinit(&fields);
bwritestr(&out, "// auto generated by go tool dist\n\n");
for(i=0; i<nelem(zasmhdr); i++) {
if(hasprefix(goarch, zasmhdr[i].goarch) && hasprefix(goos, zasmhdr[i].goos)) {
bwritestr(&out, zasmhdr[i].hdr);
goto ok;
}
}
fatal("unknown $GOOS/$GOARCH in mkzasm");
ok:
// Run 6c -D GOOS_goos -D GOARCH_goarch -I workdir -a -n -o workdir/proc.acid proc.c
// to get acid [sic] output.
vreset(&argv);
vadd(&argv, bpathf(&b, "%s/%sc", tooldir, gochar));
vadd(&argv, "-D");
vadd(&argv, bprintf(&b, "GOOS_%s", goos));
vadd(&argv, "-D");
vadd(&argv, bprintf(&b, "GOARCH_%s", goarch));
vadd(&argv, "-I");
vadd(&argv, bprintf(&b, "%s", workdir));
vadd(&argv, "-a");
vadd(&argv, "-n");
vadd(&argv, "-o");
vadd(&argv, bpathf(&b, "%s/proc.acid", workdir));
vadd(&argv, "proc.c");
runv(nil, dir, CheckExit, &argv);
readfile(&in, bpathf(&b, "%s/proc.acid", workdir));
// Convert input like
// aggr G
// {
// Gobuf 24 sched;
// 'Y' 48 stack0;
// }
// StackMin = 128;
// into output like
// #define g_sched 24
// #define g_stack0 48
// #define const_StackMin 128
aggr = nil;
splitlines(&lines, bstr(&in));
for(i=0; i<lines.len; i++) {
splitfields(&fields, lines.p[i]);
if(fields.len == 2 && streq(fields.p[0], "aggr")) {
if(streq(fields.p[1], "G"))
aggr = "g";
else if(streq(fields.p[1], "M"))
aggr = "m";
else if(streq(fields.p[1], "P"))
aggr = "p";
else if(streq(fields.p[1], "Gobuf"))
aggr = "gobuf";
else if(streq(fields.p[1], "LibCall"))
aggr = "libcall";
else if(streq(fields.p[1], "WinCallbackContext"))
aggr = "cbctxt";
else if(streq(fields.p[1], "SEH"))
aggr = "seh";
}
if(hasprefix(lines.p[i], "}"))
aggr = nil;
if(aggr && hasprefix(lines.p[i], "\t") && fields.len >= 2) {
n = fields.len;
p = fields.p[n-1];
if(p[xstrlen(p)-1] == ';')
p[xstrlen(p)-1] = '\0';
bwritestr(&out, bprintf(&b, "#define %s_%s %s\n", aggr, fields.p[n-1], fields.p[n-2]));
}
if(fields.len == 3 && streq(fields.p[1], "=")) { // generated from enumerated constants
p = fields.p[2];
if(p[xstrlen(p)-1] == ';')
p[xstrlen(p)-1] = '\0';
bwritestr(&out, bprintf(&b, "#define const_%s %s\n", fields.p[0], p));
}
}
// Some #defines that are used for .c files.
if(streq(goos, "windows")) {
bwritestr(&out, bprintf(&b, "#define cb_max %d\n", MAXWINCB));
}
xgetenv(&exp, "GOEXPERIMENT");
bwritestr(&out, bprintf(&b, "#define GOEXPERIMENT \"%s\"\n", bstr(&exp)));
// Write both to file and to workdir/zasm_GOOS_GOARCH.h.
writefile(&out, file, 0);
writefile(&out, bprintf(&b, "%s/zasm_GOOS_GOARCH.h", workdir), 0);
bfree(&in);
bfree(&b);
bfree(&out);
bfree(&exp);
vfree(&argv);
vfree(&lines);
vfree(&fields);
}
static PyObject *bdiff(PyObject *self, PyObject *args)
{
char *sa, *sb, *rb;
PyObject *result = NULL;
struct line *al, *bl;
struct hunk l, *h;
int an, bn, count;
Py_ssize_t len = 0, la, lb;
PyThreadState *_save;
if (!PyArg_ParseTuple(args, "s#s#:bdiff", &sa, &la, &sb, &lb))
return NULL;
if (la > UINT_MAX || lb > UINT_MAX) {
PyErr_SetString(PyExc_ValueError, "bdiff inputs too large");
return NULL;
}
_save = PyEval_SaveThread();
an = splitlines(sa, la, &al);
bn = splitlines(sb, lb, &bl);
if (!al || !bl)
goto nomem;
l.next = NULL;
count = diff(al, an, bl, bn, &l);
if (count < 0)
goto nomem;
/* calculate length of output */
la = lb = 0;
for (h = l.next; h; h = h->next) {
if (h->a1 != la || h->b1 != lb)
len += 12 + bl[h->b1].l - bl[lb].l;
la = h->a2;
lb = h->b2;
}
PyEval_RestoreThread(_save);
_save = NULL;
result = PyBytes_FromStringAndSize(NULL, len);
if (!result)
goto nomem;
/* build binary patch */
rb = PyBytes_AsString(result);
la = lb = 0;
for (h = l.next; h; h = h->next) {
if (h->a1 != la || h->b1 != lb) {
len = bl[h->b1].l - bl[lb].l;
putbe32((uint32_t)(al[la].l - al->l), rb);
putbe32((uint32_t)(al[h->a1].l - al->l), rb + 4);
putbe32((uint32_t)len, rb + 8);
memcpy(rb + 12, bl[lb].l, len);
rb += 12 + len;
}
la = h->a2;
lb = h->b2;
}
nomem:
if (_save)
PyEval_RestoreThread(_save);
free(al);
free(bl);
freehunks(l.next);
return result ? result : PyErr_NoMemory();
}
R_API void r_cons_less_str(const char *str) {
int lines_count;
RRegex *rx = NULL;
int w, h, ch, to, ui = 1, from = 0, i;
const char *sreg;
if(str == NULL || str[0] == '\0') return;
char *p = strdup (str);
int *lines = splitlines (p, &lines_count);
RRegexMatch **ms = malloc(lines_count * sizeof(void *));
for(i = 0; i < lines_count; i++)
ms[i] = calloc(NMATCHES, sizeof(RRegexMatch));
r_cons_set_raw (R_TRUE);
r_cons_show_cursor (R_FALSE);
r_cons_reset ();
w = h = 0;
while (ui) {
w = r_cons_get_size (&h);
to = R_MIN (lines_count, from+h);
if (from+3>lines_count)
from = lines_count-3;
if (from<0) from = 0;
printpage (p, lines, ms, from, to, w);
ch = r_cons_readchar ();
ch = r_cons_arrow_to_hjkl (ch);
switch (ch) {
case ' ': from += h; break;
case 'g': from = 0; break;
case 'G': from = lines_count-1-h; break;
case -1: // EOF
case 'q': ui = 0; break;
case '\r':
case '\n':
case 'j': from++; break;
case 'J': from+=h; break;
case 'k': if (from>0) from--; break;
case 'K': from = (from>=h)? from-h: 0;
break;
case '/': /* search */
r_cons_reset_colors();
r_line_set_prompt("/");
sreg = r_line_readline();
from = R_MIN(lines_count - 1, from);
/* repeat last search if empty string is provided */
if(sreg[0]){ /* prepare for a new search */
if(rx) r_regex_free(rx);
rx = r_regex_new(sreg, "");
} else { /* we got an empty string */
from = next_match(from, ms, lines_count);
break;
}
if(!rx) break;
/* find all occurences */
if(all_matches(p, rx, ms, lines, lines_count))
from = next_match(from, ms, lines_count);
break;
case 'n': /* next match */
/* search already performed */
if(rx) from = next_match(from, ms, lines_count);
break;
case 'p': /* previous match */
if(rx) from = prev_match(from, ms);
break;
}
}
for(i = 0; i < lines_count; i++) free(ms[i]);
free(ms);
if(rx) r_regex_free(rx);
free (lines);
free (p);
r_cons_reset_colors();
r_cons_set_raw (R_FALSE);
r_cons_show_cursor (R_TRUE);
}
// mkanames reads [5689].out.h and writes anames[5689].c
// The format is much the same as the Go opcodes above.
// It also writes out cnames array for C_* constants and the dnames
// array for D_* constants.
void
mkanames(char *dir, char *file)
{
int i, j, ch, n, unknown;
Buf in, b, out, out2;
Vec lines;
char *p, *p2;
Vec dnames[128];
binit(&b);
binit(&in);
binit(&out);
binit(&out2);
vinit(&lines);
for(i=0; i<nelem(dnames); i++)
vinit(&dnames[i]);
ch = file[xstrlen(file)-3];
bprintf(&b, "%s/../cmd/%cl/%c.out.h", dir, ch, ch);
readfile(&in, bstr(&b));
splitlines(&lines, bstr(&in));
// Include link.h so that the extern declaration there is
// checked against the non-extern declaration we are generating.
bwritestr(&out, bprintf(&b, "// auto generated by go tool dist\n"));
bwritestr(&out, bprintf(&b, "#include <u.h>\n"));
bwritestr(&out, bprintf(&b, "#include <libc.h>\n"));
bwritestr(&out, bprintf(&b, "#include <bio.h>\n"));
bwritestr(&out, bprintf(&b, "#include <link.h>\n"));
bwritestr(&out, bprintf(&b, "#include \"../cmd/%cl/%c.out.h\"\n", ch, ch));
bwritestr(&out, bprintf(&b, "\n"));
bwritestr(&out, bprintf(&b, "char* anames%c[] = {\n", ch));
for(i=0; i<lines.len; i++) {
if(hasprefix(lines.p[i], "\tA")) {
p = xstrstr(lines.p[i], ",");
if(p)
*p = '\0';
p = xstrstr(lines.p[i], "\n");
if(p)
*p = '\0';
p = lines.p[i] + 2;
bwritestr(&out, bprintf(&b, "\t\"%s\",\n", p));
}
}
bwritestr(&out, "};\n");
j=0;
bprintf(&out2, "char* cnames%c[] = {\n", ch);
for(i=0; i<lines.len; i++) {
if(hasprefix(lines.p[i], "\tC_")) {
p = xstrstr(lines.p[i], ",");
if(p)
*p = '\0';
p = xstrstr(lines.p[i], "\n");
if(p)
*p = '\0';
p = lines.p[i] + 3;
bwritestr(&out2, bprintf(&b, "\t\"%s\",\n", p));
j++;
}
}
bwritestr(&out2, "};\n");
if(j>0)
bwriteb(&out, &out2);
j=unknown=0;
n=-1;
for(i=0; i<lines.len; i++) {
if(hasprefix(lines.p[i], "\tD_")) {
p = xstrstr(lines.p[i], ",");
if(p)
*p = '\0';
p = xstrstr(lines.p[i], "\n");
if(p)
*p = '\0';
// Parse explicit value, if any
p = xstrstr(lines.p[i], "=");
if(p) {
// Skip space after '='
p2 = p + 1;
while(*p2 == ' ' || *p2 == '\t')
p2++;
n = xatoi(p2, &p2);
// We can't do anything about
// non-numeric values or anything that
// follows
while(*p2 == ' ' || *p2 == '\t')
p2++;
if(*p2 != 0) {
unknown = 1;
continue;
}
// Truncate space before '='
while(*(p-1) == ' ' || *(p-1) == '\t')
p--;
*p = '\0';
unknown = 0;
} else {
n++;
}
if(unknown || n >= nelem(dnames))
continue;
p = lines.p[i] + 3;
if(xstrcmp(p, "LAST") == 0)
continue;
vadd(&dnames[n], p);
j++;
}
}
if(j>0){
bwritestr(&out, bprintf(&b, "char* dnames%c[D_LAST] = {\n", ch));
for(i=0; i<nelem(dnames); i++) {
if(dnames[i].len == 0)
continue;
bwritestr(&out, bprintf(&b, "\t[D_%s] = \"", dnames[i].p[0]));
for(j=0; j<dnames[i].len; j++) {
if(j != 0)
bwritestr(&out, "/");
bwritestr(&out, dnames[i].p[j]);
}
bwritestr(&out, "\",\n");
}
bwritestr(&out, "};\n");
}
writefile(&out, file, 0);
bfree(&b);
bfree(&in);
bfree(&out);
bfree(&out2);
vfree(&lines);
for(i=0; i<nelem(dnames); i++)
vfree(&dnames[i]);
}