1 #include <u.h>
2 #include <libc.h>
3 #include <mach.h>
4 #include "elf.h"
5 #include "ureg386.h"
6 
7 typedef struct Lreg Lreg;
8 typedef struct Status Status;
9 typedef struct Psinfo Psinfo;
10 
11 /*
12  * UregLinux386 is 64-bit aligned within status, so we shouldn't 
13  * have any packing problems. 
14  */
15 struct Status
16 {
17 	u32int	signo;
18 	u32int	code;
19 	u32int	errno;
20 	u32int	cursig;
21 	u32int	sigpend;
22 	u32int	sighold;
23 	u32int	pid;
24 	u32int	ppid;
25 	u32int	pgrp;
26 	u32int	sid;
27 	u32int	utime[2];
28 	u32int	stime[2];
29 	u32int	cutime[2];
30 	u32int	cstime[2];
31 	UregLinux386	reg;
32 	u32int	fpvalid;
33 };
34 
35 struct Psinfo
36 {
37 	char state;
38 	char sname;
39 	char zomb;
40 	char nice;
41 	u32int flag;
42 	u16int uid;
43 	u16int gid;
44 	u32int pid;
45 	u32int ppid;
46 	u32int pgrp;
47 	u32int sid;
48 	char fname[16];
49 	char psargs[80];
50 };
51 
52 int
53 coreregslinux386(Elf *elf, ElfNote *note, uchar **up)
54 {
55 	Status *s;
56 	UregLinux386 *l;
57 	Ureg *u;
58 
59 	if(note->descsz < sizeof(Status)){
60 		werrstr("elf status note too small");
61 		return -1;
62 	}
63 	s = (Status*)note->desc;
64 	l = &s->reg;
65 	if((u = _linux2ureg386(l)) == nil)
66 		return -1;
67 	*up = (uchar*)u;
68 	return sizeof(Ureg);
69 }
70 
71 int
72 corecmdlinux386(Elf *elf, ElfNote *note, char **pp)
73 {
74 	char *t;
75 	Psinfo *p;
76 
77 	*pp = nil;
78 	if(note->descsz < sizeof(Psinfo)){
79 		werrstr("elf psinfo note too small");
80 		return -1;
81 	}
82 	p = (Psinfo*)note->desc;
83 	print("elf name %s\nelf args %s\n", p->fname, p->psargs);
84 	t = malloc(80+1);
85 	if(t == nil)
86 		return -1;
87 	memmove(t, p->psargs, 80);
88 	t[80] = 0;
89 	*pp = t;
90 	return 0;
91 }
92