10 newmap(Map *map, int n)  in newmap()  argument
15 	if (map == 0)  in newmap()
16 		map = malloc(size);  in newmap()
18 		map = realloc(map, size);  in newmap()
19 	if (map == 0) {  in newmap()
23 	memset(map, 0, size);  in newmap()
24 	map->nsegs = n;  in newmap()
25 	return map;  in newmap()
29 setmap(Map *map, int fd, uvlong b, uvlong e, vlong f, char *name)  in setmap()  argument
33 	if (map == 0)  in setmap()
35 	for (i = 0; i < map->nsegs; i++)  in setmap()
36 		if (!map->seg[i].inuse)  in setmap()
38 	if (i >= map->nsegs)  in setmap()
40 	map->seg[i].b = b;  in setmap()
41 	map->seg[i].e = e;  in setmap()
42 	map->seg[i].f = f;  in setmap()
43 	map->seg[i].inuse = 1;  in setmap()
44 	map->seg[i].name = name;  in setmap()
45 	map->seg[i].fd = fd;  in setmap()
85 	Map *map;  in attachproc()  local
88 	map = newmap(0, 4);  in attachproc()
89 	if (!map)  in attachproc()
101 			free(map);  in attachproc()
104 		setmap(map, fd, 0, mach->regsize, 0, "regs");  in attachproc()
112 			close(map->seg[0].fd);  in attachproc()
113 			free(map);  in attachproc()
116 		setmap(map, fd, mach->regsize, mach->regsize+mach->fpregsize, 0, "fpregs");  in attachproc()
118 	setmap(map, corefd, fp->txtaddr, fp->txtaddr+fp->txtsz, fp->txtaddr, "text");  in attachproc()
120 		setmap(map, corefd, fp->dataddr, ~0, fp->dataddr, "data");  in attachproc()
121 		return map;  in attachproc()
125 		setmap(map, corefd, fp->dataddr, mach->utop, fp->dataddr, "data");  in attachproc()
126 		return map;  in attachproc()
128 	setmap(map, corefd, fp->dataddr, n, fp->dataddr, "data");  in attachproc()
129 	return map;  in attachproc()
133 findseg(Map *map, char *name)  in findseg()  argument
137 	if (!map)  in findseg()
139 	for (i = 0; i < map->nsegs; i++)  in findseg()
140 		if (map->seg[i].inuse && !strcmp(map->seg[i].name, name))  in findseg()
146 unusemap(Map *map, int i)  in unusemap()  argument
148 	if (map != 0 && 0 <= i && i < map->nsegs)  in unusemap()
149 		map->seg[i].inuse = 0;  in unusemap()
153 loadmap(Map *map, int fd, Fhdr *fp)  in loadmap()  argument
155 	map = newmap(map, 2);  in loadmap()
156 	if (map == 0)  in loadmap()
159 	map->seg[0].b = fp->txtaddr;  in loadmap()
160 	map->seg[0].e = fp->txtaddr+fp->txtsz;  in loadmap()
161 	map->seg[0].f = fp->txtoff;  in loadmap()
162 	map->seg[0].fd = fd;  in loadmap()
163 	map->seg[0].inuse = 1;  in loadmap()
164 	map->seg[0].name = "text";  in loadmap()
165 	map->seg[1].b = fp->dataddr;  in loadmap()
166 	map->seg[1].e = fp->dataddr+fp->datsz;  in loadmap()
167 	map->seg[1].f = fp->datoff;  in loadmap()
168 	map->seg[1].fd = fd;  in loadmap()
169 	map->seg[1].inuse = 1;  in loadmap()
170 	map->seg[1].name = "data";  in loadmap()
171 	return map;  in loadmap()