Import sources from 2011-03-30 iso image

1 files changed, 304 insertions, 0 deletions

diff --git a/sys/src/cmd/acid/util.c b/sys/src/cmd/acid/util.c
new file mode 100755
index 000000000..c861d1994
--- /dev/null
+++ b/sys/src/cmd/acid/util.c
@@ -0,0 +1,304 @@
+#include <u.h>
+#include <libc.h>
+#include <bio.h>
+#include <ctype.h>
+#include <mach.h>
+#define Extern extern
+#include "acid.h"
+#include "y.tab.h"
+
+static int syren;
+
+Lsym*
+unique(char *buf, Sym *s)
+{
+	Lsym *l;
+	int i, renamed;
+
+	renamed = 0;
+	strcpy(buf, s->name);
+	for(;;) {
+		l = look(buf);
+		if(l == 0 || (l->lexval == Tid && l->v->set == 0))
+			break;
+
+		if(syren == 0 && !quiet) {
+			print("Symbol renames:\n");
+			syren = 1;
+		}
+		i = strlen(buf)+1;
+		memmove(buf+1, buf, i);
+		buf[0] = '$';
+		renamed++;
+		if(renamed > 5 && !quiet) {
+			print("Too many renames; must be X source!\n");
+			break;
+		}
+	}
+	if(renamed && !quiet)
+		print("\t%s=%s %c/%llux\n", s->name, buf, s->type, s->value);
+	if(l == 0)
+		l = enter(buf, Tid);
+	return l;	
+}
+
+void
+varsym(void)
+{
+	int i;
+	Sym *s;
+	long n;
+	Lsym *l;
+	uvlong v;
+	char buf[1024];
+	List *list, **tail, *l2, *tl;
+
+	tail = &l2;
+	l2 = 0;
+
+	symbase(&n);
+	for(i = 0; i < n; i++) {
+		s = getsym(i);
+		switch(s->type) {
+		case 'T':
+		case 'L':
+		case 'D':
+		case 'B':
+		case 'b':
+		case 'd':
+		case 'l':
+		case 't':
+			if(s->name[0] == '.')
+				continue;
+
+			v = s->value;
+			tl = al(TLIST);
+			*tail = tl;
+			tail = &tl->next;
+
+			l = unique(buf, s);
+
+			l->v->set = 1;
+			l->v->type = TINT;
+			l->v->ival = v;
+			if(l->v->comt == 0)
+				l->v->fmt = 'X';
+
+			/* Enter as list of { name, type, value } */
+			list = al(TSTRING);
+			tl->l = list;
+			list->string = strnode(buf);
+			list->fmt = 's';
+			list->next = al(TINT);
+			list = list->next;
+			list->fmt = 'c';
+			list->ival = s->type;
+			list->next = al(TINT);
+			list = list->next;
+			list->fmt = 'X';
+			list->ival = v;
+
+		}
+	}
+	l = mkvar("symbols");
+	l->v->set = 1;
+	l->v->type = TLIST;
+	l->v->l = l2;
+	if(l2 == 0)
+		print("no symbol information\n");
+}
+
+void
+varreg(void)
+{
+	Lsym *l;
+	Value *v;
+	Reglist *r;
+	List **tail, *li;
+
+	l = mkvar("registers");
+	v = l->v;
+	v->set = 1;
+	v->type = TLIST;
+	v->l = 0;
+	tail = &v->l;
+
+	for(r = mach->reglist; r->rname; r++) {
+		l = mkvar(r->rname);
+		v = l->v;
+		v->set = 1;
+		v->ival = r->roffs;
+		v->fmt = r->rformat;
+		v->type = TINT;
+
+		li = al(TSTRING);
+		li->string = strnode(r->rname);
+		li->fmt = 's';
+		*tail = li;
+		tail = &li->next;
+	}
+
+	if(machdata == 0)
+		return;
+
+	l = mkvar("bpinst");	/* Breakpoint text */
+	v = l->v;
+	v->type = TSTRING;
+	v->fmt = 's';
+	v->set = 1;
+	v->string = gmalloc(sizeof(String));
+	v->string->len = machdata->bpsize;
+	v->string->string = gmalloc(machdata->bpsize);
+	memmove(v->string->string, machdata->bpinst, machdata->bpsize);
+}
+
+void
+loadvars(void)
+{
+	Lsym *l;
+	Value *v;
+
+	l =  mkvar("proc");
+	v = l->v;
+	v->type = TINT;
+	v->fmt = 'X';
+	v->set = 1;
+	v->ival = 0;
+
+	l = mkvar("pid");		/* Current process */
+	v = l->v;
+	v->type = TINT;
+	v->fmt = 'D';
+	v->set = 1;
+	v->ival = 0;
+
+	mkvar("notes");			/* Pending notes */
+
+	l = mkvar("proclist");		/* Attached processes */
+	l->v->type = TLIST;
+}
+
+uvlong
+rget(Map *map, char *reg)
+{
+	Lsym *s;
+	ulong x;
+	uvlong v;
+	int ret;
+
+	s = look(reg);
+	if(s == 0)
+		fatal("rget: %s\n", reg);
+
+	switch(s->v->fmt){
+	default:
+		ret = get4(map, s->v->ival, &x);
+		v = x;
+		break;
+	case 'V':
+	case 'W':
+	case 'Y':
+	case 'Z':
+		ret = get8(map, s->v->ival, &v);
+		break;
+	}
+	if(ret < 0)
+		error("can't get register %s: %r\n", reg);
+	return v;
+}
+
+String*
+strnodlen(char *name, int len)
+{
+	String *s;
+
+	s = gmalloc(sizeof(String)+len+1);
+	s->string = (char*)s+sizeof(String);
+	s->len = len;
+	if(name != 0)
+		memmove(s->string, name, len);
+	s->string[len] = '\0';
+
+	s->gclink = gcl;
+	gcl = s;
+
+	return s;
+}
+
+String*
+strnode(char *name)
+{
+	return strnodlen(name, strlen(name));
+}
+
+String*
+runenode(Rune *name)
+{
+	int len;
+	Rune *p;
+	String *s;
+
+	p = name;
+	for(len = 0; *p; p++)
+		len++;
+
+	len++;
+	len *= sizeof(Rune);
+	s = gmalloc(sizeof(String)+len);
+	s->string = (char*)s+sizeof(String);
+	s->len = len;
+	memmove(s->string, name, len);
+
+	s->gclink = gcl;
+	gcl = s;
+
+	return s;
+}
+
+String*
+stradd(String *l, String *r)
+{
+	int len;
+	String *s;
+
+	len = l->len+r->len;
+	s = gmalloc(sizeof(String)+len+1);
+	s->gclink = gcl;
+	gcl = s;
+	s->len = len;
+	s->string = (char*)s+sizeof(String);
+	memmove(s->string, l->string, l->len);
+	memmove(s->string+l->len, r->string, r->len);
+	s->string[s->len] = 0;
+	return s;
+}
+
+String*
+straddrune(String *l, Rune r)
+{
+	int len;
+	String *s;
+
+	len = l->len+runelen(r);
+	s = gmalloc(sizeof(String)+len+1);
+	s->gclink = gcl;
+	gcl = s;
+	s->len = len;
+	s->string = (char*)s+sizeof(String);
+	memmove(s->string, l->string, l->len);
+	runetochar(s->string+l->len, &r);
+	s->string[s->len] = 0;
+	return s;
+}
+
+int
+scmp(String *sr, String *sl)
+{
+	if(sr->len != sl->len)
+		return 0;
+
+	if(memcmp(sr->string, sl->string, sl->len))
+		return 0;
+
+	return 1;
+}