1 #include <u.h>
2 #include <libc.h>
3 #include <mach.h>
4 #include "elf.h"
5 #include "ureg386.h"
6 
7 #undef errno
8 #define errno	uregerrno
9 
10 typedef struct Lreg Lreg;
11 typedef struct Status Status;
12 typedef struct Psinfo Psinfo;
13 
14 /*
15  * UregLinux386 is 64-bit aligned within status, so we shouldn't 
16  * have any packing problems. 
17  */
18 struct Status
19 {
20 	u32int	signo;
21 	u32int	code;
22 	u32int	errno;
23 	u32int	cursig;
24 	u32int	sigpend;
25 	u32int	sighold;
26 	u32int	pid;
27 	u32int	ppid;
28 	u32int	pgrp;
29 	u32int	sid;
30 	u32int	utime[2];
31 	u32int	stime[2];
32 	u32int	cutime[2];
33 	u32int	cstime[2];
34 	UregLinux386	reg;
35 	u32int	fpvalid;
36 };
37 
38 struct Psinfo
39 {
40 	char state;
41 	char sname;
42 	char zomb;
43 	char nice;
44 	u32int flag;
45 	u16int uid;
46 	u16int gid;
47 	u32int pid;
48 	u32int ppid;
49 	u32int pgrp;
50 	u32int sid;
51 	char fname[16];
52 	char psargs[80];
53 };
54 
55 int
56 coreregslinux386(Elf *elf, ElfNote *note, uchar **up)
57 {
58 	Status *s;
59 	UregLinux386 *l;
60 	Ureg *u;
61 
62 	if(note->descsz < sizeof(Status)){
63 		werrstr("elf status note too small");
64 		return -1;
65 	}
66 	s = (Status*)note->desc;
67 	l = &s->reg;
68 	if((u = _linux2ureg386(l)) == nil)
69 		return -1;
70 	*up = (uchar*)u;
71 	return sizeof(Ureg);
72 }
73 
74 int
75 corecmdlinux386(Elf *elf, ElfNote *note, char **pp)
76 {
77 	char *t;
78 	Psinfo *p;
79 
80 	*pp = nil;
81 	if(note->descsz < sizeof(Psinfo)){
82 		werrstr("elf psinfo note too small");
83 		return -1;
84 	}
85 	p = (Psinfo*)note->desc;
86 	print("elf name %s\nelf args %s\n", p->fname, p->psargs);
87 	t = malloc(80+1);
88 	if(t == nil)
89 		return -1;
90 	memmove(t, p->psargs, 80);
91 	t[80] = 0;
92 	*pp = t;
93 	return 0;
94 }
95