Import sources from 2011-03-30 iso image

1 files changed, 282 insertions, 0 deletions

diff --git a/sys/src/cmd/8c/list.c b/sys/src/cmd/8c/list.c
new file mode 100755
index 000000000..8ee833837
--- /dev/null
+++ b/sys/src/cmd/8c/list.c
@@ -0,0 +1,282 @@
+#define EXTERN
+#include "gc.h"
+
+void
+listinit(void)
+{
+
+	fmtinstall('A', Aconv);
+	fmtinstall('B', Bconv);
+	fmtinstall('P', Pconv);
+	fmtinstall('S', Sconv);
+	fmtinstall('D', Dconv);
+	fmtinstall('R', Rconv);
+}
+
+int
+Bconv(Fmt *fp)
+{
+	char str[STRINGSZ], ss[STRINGSZ], *s;
+	Bits bits;
+	int i;
+
+	str[0] = 0;
+	bits = va_arg(fp->args, Bits);
+	while(bany(&bits)) {
+		i = bnum(bits);
+		if(str[0])
+			strcat(str, " ");
+		if(var[i].sym == S) {
+			sprint(ss, "$%ld", var[i].offset);
+			s = ss;
+		} else
+			s = var[i].sym->name;
+		if(strlen(str) + strlen(s) + 1 >= STRINGSZ)
+			break;
+		strcat(str, s);
+		bits.b[i/32] &= ~(1L << (i%32));
+	}
+	return fmtstrcpy(fp, str);
+}
+
+int
+Pconv(Fmt *fp)
+{
+	char str[STRINGSZ];
+	Prog *p;
+
+	p = va_arg(fp->args, Prog*);
+	if(p->as == ADATA)
+		sprint(str, "	%A	%D/%d,%D",
+			p->as, &p->from, p->from.scale, &p->to);
+	else if(p->as == ATEXT)
+		sprint(str, "	%A	%D,%d,%D",
+			p->as, &p->from, p->from.scale, &p->to);
+	else
+		sprint(str, "	%A	%D,%D",
+			p->as, &p->from, &p->to);
+	return fmtstrcpy(fp, str);
+}
+
+int
+Aconv(Fmt *fp)
+{
+	int i;
+
+	i = va_arg(fp->args, int);
+	return fmtstrcpy(fp, anames[i]);
+}
+
+int
+Dconv(Fmt *fp)
+{
+	char str[40], s[20];
+	Adr *a;
+	int i;
+
+	a = va_arg(fp->args, Adr*);
+	i = a->type;
+	if(i >= D_INDIR) {
+		if(a->offset)
+			sprint(str, "%ld(%R)", a->offset, i-D_INDIR);
+		else
+			sprint(str, "(%R)", i-D_INDIR);
+		goto brk;
+	}
+	switch(i) {
+
+	default:
+		if(a->offset)
+			sprint(str, "$%ld,%R", a->offset, i);
+		else
+			sprint(str, "%R", i);
+		break;
+
+	case D_NONE:
+		str[0] = 0;
+		break;
+
+	case D_BRANCH:
+		sprint(str, "%ld(PC)", a->offset-pc);
+		break;
+
+	case D_EXTERN:
+		sprint(str, "%s+%ld(SB)", a->sym->name, a->offset);
+		break;
+
+	case D_STATIC:
+		sprint(str, "%s<>+%ld(SB)", a->sym->name,
+			a->offset);
+		break;
+
+	case D_AUTO:
+		sprint(str, "%s+%ld(SP)", a->sym->name, a->offset);
+		break;
+
+	case D_PARAM:
+		if(a->sym)
+			sprint(str, "%s+%ld(FP)", a->sym->name, a->offset);
+		else
+			sprint(str, "%ld(FP)", a->offset);
+		break;
+
+	case D_CONST:
+		sprint(str, "$%ld", a->offset);
+		break;
+
+	case D_FCONST:
+		sprint(str, "$(%.17e)", a->dval);
+		break;
+
+	case D_SCONST:
+		sprint(str, "$\"%S\"", a->sval);
+		break;
+
+	case D_ADDR:
+		a->type = a->index;
+		a->index = D_NONE;
+		sprint(str, "$%D", a);
+		a->index = a->type;
+		a->type = D_ADDR;
+		goto conv;
+	}
+brk:
+	if(a->index != D_NONE) {
+		sprint(s, "(%R*%d)", (int)a->index, (int)a->scale);
+		strcat(str, s);
+	}
+conv:
+	return fmtstrcpy(fp, str);
+}
+
+char*	regstr[] =
+{
+	"AL",	/*[D_AL]*/	
+	"CL",
+	"DL",
+	"BL",
+	"AH",
+	"CH",
+	"DH",
+	"BH",
+
+	"AX",	/*[D_AX]*/
+	"CX",
+	"DX",
+	"BX",
+	"SP",
+	"BP",
+	"SI",
+	"DI",
+
+	"F0",	/*[D_F0]*/
+	"F1",
+	"F2",
+	"F3",
+	"F4",
+	"F5",
+	"F6",
+	"F7",
+
+	"CS",	/*[D_CS]*/
+	"SS",
+	"DS",
+	"ES",
+	"FS",
+	"GS",
+
+	"GDTR",	/*[D_GDTR]*/
+	"IDTR",	/*[D_IDTR]*/
+	"LDTR",	/*[D_LDTR]*/
+	"MSW",	/*[D_MSW] */
+	"TASK",	/*[D_TASK]*/
+
+	"CR0",	/*[D_CR]*/
+	"CR1",
+	"CR2",
+	"CR3",
+	"CR4",
+	"CR5",
+	"CR6",
+	"CR7",
+
+	"DR0",	/*[D_DR]*/
+	"DR1",
+	"DR2",
+	"DR3",
+	"DR4",
+	"DR5",
+	"DR6",
+	"DR7",
+
+	"TR0",	/*[D_TR]*/
+	"TR1",
+	"TR2",
+	"TR3",
+	"TR4",
+	"TR5",
+	"TR6",
+	"TR7",
+
+	"NONE",	/*[D_NONE]*/
+};
+
+int
+Rconv(Fmt *fp)
+{
+	char str[20];
+	int r;
+
+	r = va_arg(fp->args, int);
+	if(r >= D_AL && r <= D_NONE)
+		sprint(str, "%s", regstr[r-D_AL]);
+	else
+		sprint(str, "gok(%d)", r);
+
+	return fmtstrcpy(fp, str);
+}
+
+int
+Sconv(Fmt *fp)
+{
+	int i, c;
+	char str[30], *p, *a;
+
+	a = va_arg(fp->args, char*);
+	p = str;
+	for(i=0; i<sizeof(double); i++) {
+		c = a[i] & 0xff;
+		if(c >= 'a' && c <= 'z' ||
+		   c >= 'A' && c <= 'Z' ||
+		   c >= '0' && c <= '9') {
+			*p++ = c;
+			continue;
+		}
+		*p++ = '\\';
+		switch(c) {
+		default:
+			if(c < 040 || c >= 0177)
+				break;	/* not portable */
+			p[-1] = c;
+			continue;
+		case 0:
+			*p++ = 'z';
+			continue;
+		case '\\':
+		case '"':
+			*p++ = c;
+			continue;
+		case '\n':
+			*p++ = 'n';
+			continue;
+		case '\t':
+			*p++ = 't';
+			continue;
+		}
+		*p++ = (c>>6) + '0';
+		*p++ = ((c>>3) & 7) + '0';
+		*p++ = (c & 7) + '0';
+	}
+	*p = 0;
+	return fmtstrcpy(fp, str);
+}