1 a84cbb2a 2004-04-19 devnull #include <u.h>
 2 a84cbb2a 2004-04-19 devnull #include <libc.h>
 3 a84cbb2a 2004-04-19 devnull #include <mach.h>
 4 a84cbb2a 2004-04-19 devnull #include "elf.h"
 5 a84cbb2a 2004-04-19 devnull #include "ureg386.h"
 6 a84cbb2a 2004-04-19 devnull 
 7 a84cbb2a 2004-04-19 devnull typedef struct Lreg Lreg;
 8 a84cbb2a 2004-04-19 devnull typedef struct Status Status;
 9 a84cbb2a 2004-04-19 devnull 
10 a84cbb2a 2004-04-19 devnull struct Lreg
11 a84cbb2a 2004-04-19 devnull {
12 a84cbb2a 2004-04-19 devnull 	u32int	ebx;
13 a84cbb2a 2004-04-19 devnull 	u32int	ecx;
14 a84cbb2a 2004-04-19 devnull 	u32int	edx;
15 a84cbb2a 2004-04-19 devnull 	u32int	esi;
16 a84cbb2a 2004-04-19 devnull 	u32int	edi;
17 a84cbb2a 2004-04-19 devnull 	u32int	ebp;
18 a84cbb2a 2004-04-19 devnull 	u32int	eax;
19 a84cbb2a 2004-04-19 devnull 	u32int	ds;
20 a84cbb2a 2004-04-19 devnull 	u32int	es;
21 a84cbb2a 2004-04-19 devnull 	u32int	fs;
22 a84cbb2a 2004-04-19 devnull 	u32int	gs;
23 a84cbb2a 2004-04-19 devnull 	u32int	origeax;
24 a84cbb2a 2004-04-19 devnull 	u32int	eip;
25 a84cbb2a 2004-04-19 devnull 	u32int	cs;
26 a84cbb2a 2004-04-19 devnull 	u32int	eflags;
27 a84cbb2a 2004-04-19 devnull 	u32int	esp;
28 a84cbb2a 2004-04-19 devnull 	u32int	ss;
29 a84cbb2a 2004-04-19 devnull };
30 a84cbb2a 2004-04-19 devnull 
31 a84cbb2a 2004-04-19 devnull /*
32 a84cbb2a 2004-04-19 devnull  * Lreg is 64-bit aligned within status, so we shouldn't 
33 a84cbb2a 2004-04-19 devnull  * have any packing problems. 
34 a84cbb2a 2004-04-19 devnull  */
35 a84cbb2a 2004-04-19 devnull struct Status
36 a84cbb2a 2004-04-19 devnull {
37 a84cbb2a 2004-04-19 devnull 	u32int	signo;
38 a84cbb2a 2004-04-19 devnull 	u32int	code;
39 a84cbb2a 2004-04-19 devnull 	u32int	errno;
40 a84cbb2a 2004-04-19 devnull 	u32int	cursig;
41 a84cbb2a 2004-04-19 devnull 	u32int	sigpend;
42 a84cbb2a 2004-04-19 devnull 	u32int	sighold;
43 a84cbb2a 2004-04-19 devnull 	u32int	pid;
44 a84cbb2a 2004-04-19 devnull 	u32int	ppid;
45 a84cbb2a 2004-04-19 devnull 	u32int	pgrp;
46 a84cbb2a 2004-04-19 devnull 	u32int	sid;
47 a84cbb2a 2004-04-19 devnull 	u32int	utime[2];
48 a84cbb2a 2004-04-19 devnull 	u32int	stime[2];
49 a84cbb2a 2004-04-19 devnull 	u32int	cutime[2];
50 a84cbb2a 2004-04-19 devnull 	u32int	cstime[2];
51 a84cbb2a 2004-04-19 devnull 	Lreg	reg;
52 a84cbb2a 2004-04-19 devnull 	u32int	fpvalid;
53 a84cbb2a 2004-04-19 devnull };
54 a84cbb2a 2004-04-19 devnull 
55 a84cbb2a 2004-04-19 devnull int
56 a84cbb2a 2004-04-19 devnull coreregslinux386(Elf *elf, ElfNote *note, uchar **up)
57 a84cbb2a 2004-04-19 devnull {
58 a84cbb2a 2004-04-19 devnull 	Status *s;
59 a84cbb2a 2004-04-19 devnull 	Lreg *l;
60 a84cbb2a 2004-04-19 devnull 	Ureg *u;
61 a84cbb2a 2004-04-19 devnull 
62 a84cbb2a 2004-04-19 devnull 	if(note->descsz < sizeof(Status)){
63 a84cbb2a 2004-04-19 devnull 		werrstr("elf status note too small");
64 a84cbb2a 2004-04-19 devnull 		return -1;
65 a84cbb2a 2004-04-19 devnull 	}
66 a84cbb2a 2004-04-19 devnull 	s = (Status*)note->desc;
67 a84cbb2a 2004-04-19 devnull 	l = &s->reg;
68 a84cbb2a 2004-04-19 devnull 	u = malloc(sizeof(Ureg));
69 a84cbb2a 2004-04-19 devnull 	if(u == nil)
70 a84cbb2a 2004-04-19 devnull 		return -1;
71 a84cbb2a 2004-04-19 devnull 
72 a84cbb2a 2004-04-19 devnull 	/* no byte order problems - just copying and rearranging */
73 a84cbb2a 2004-04-19 devnull 	u->di = l->edi;
74 a84cbb2a 2004-04-19 devnull 	u->si = l->esi;
75 a84cbb2a 2004-04-19 devnull 	u->bp = l->ebp;
76 a84cbb2a 2004-04-19 devnull 	u->nsp = l->esp;
77 a84cbb2a 2004-04-19 devnull 	u->bx = l->ebx;
78 a84cbb2a 2004-04-19 devnull 	u->dx = l->edx;
79 a84cbb2a 2004-04-19 devnull 	u->cx = l->ecx;
80 a84cbb2a 2004-04-19 devnull 	u->ax = l->eax;
81 a84cbb2a 2004-04-19 devnull 	u->gs = l->gs;
82 a84cbb2a 2004-04-19 devnull 	u->fs = l->fs;
83 a84cbb2a 2004-04-19 devnull 	u->es = l->es;
84 a84cbb2a 2004-04-19 devnull 	u->ds = l->ds;
85 a84cbb2a 2004-04-19 devnull 	u->trap = ~0; // l->trapno;
86 a84cbb2a 2004-04-19 devnull 	u->ecode = ~0; // l->err;
87 a84cbb2a 2004-04-19 devnull 	u->pc = l->eip;
88 a84cbb2a 2004-04-19 devnull 	u->cs = l->cs;
89 a84cbb2a 2004-04-19 devnull 	u->flags = l->eflags;
90 a84cbb2a 2004-04-19 devnull 	u->sp = l->esp;
91 a84cbb2a 2004-04-19 devnull 	u->ss = l->ss;
92 a84cbb2a 2004-04-19 devnull 	*up = (uchar*)u;
93 a84cbb2a 2004-04-19 devnull 	return sizeof(Ureg);
94 a84cbb2a 2004-04-19 devnull }
95 a84cbb2a 2004-04-19 devnull