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 1cc215aa 2004-12-25 devnull typedef struct Psinfo Psinfo;
 10 a84cbb2a 2004-04-19 devnull 
 11 a84cbb2a 2004-04-19 devnull struct Lreg
 12 a84cbb2a 2004-04-19 devnull {
 13 a84cbb2a 2004-04-19 devnull 	u32int	fs;
 14 a84cbb2a 2004-04-19 devnull 	u32int	es;
 15 a84cbb2a 2004-04-19 devnull 	u32int	ds;
 16 a84cbb2a 2004-04-19 devnull 	u32int	edi;
 17 a84cbb2a 2004-04-19 devnull 	u32int	esi;
 18 a84cbb2a 2004-04-19 devnull 	u32int	ebp;
 19 a84cbb2a 2004-04-19 devnull 	u32int	isp;
 20 a84cbb2a 2004-04-19 devnull 	u32int	ebx;
 21 a84cbb2a 2004-04-19 devnull 	u32int	edx;
 22 a84cbb2a 2004-04-19 devnull 	u32int	ecx;
 23 a84cbb2a 2004-04-19 devnull 	u32int	eax;
 24 a84cbb2a 2004-04-19 devnull 	u32int	trapno;
 25 a84cbb2a 2004-04-19 devnull 	u32int	err;
 26 a84cbb2a 2004-04-19 devnull 	u32int	eip;
 27 a84cbb2a 2004-04-19 devnull 	u32int	cs;
 28 a84cbb2a 2004-04-19 devnull 	u32int	eflags;
 29 a84cbb2a 2004-04-19 devnull 	u32int	esp;
 30 a84cbb2a 2004-04-19 devnull 	u32int	ss;
 31 a84cbb2a 2004-04-19 devnull 	u32int	gs;
 32 a84cbb2a 2004-04-19 devnull };
 33 a84cbb2a 2004-04-19 devnull 
 34 a84cbb2a 2004-04-19 devnull struct Status
 35 a84cbb2a 2004-04-19 devnull {
 36 1cc215aa 2004-12-25 devnull 	u32int		version;	/* Version number of struct (1) */
 37 1cc215aa 2004-12-25 devnull 	u32int		statussz;	/* sizeof(prstatus_t) (1) */
 38 1cc215aa 2004-12-25 devnull 	u32int		gregsetsz;	/* sizeof(gregset_t) (1) */
 39 1cc215aa 2004-12-25 devnull 	u32int		fpregsetsz;	/* sizeof(fpregset_t) (1) */
 40 1cc215aa 2004-12-25 devnull 	u32int		osreldate;	/* Kernel version (1) */
 41 1cc215aa 2004-12-25 devnull 	u32int		cursig;	/* Current signal (1) */
 42 1cc215aa 2004-12-25 devnull 	u32int		pid;		/* Process ID (1) */
 43 1cc215aa 2004-12-25 devnull 	Lreg		reg;		/* General purpose registers (1) */
 44 a84cbb2a 2004-04-19 devnull };
 45 a84cbb2a 2004-04-19 devnull 
 46 1cc215aa 2004-12-25 devnull struct Psinfo
 47 1cc215aa 2004-12-25 devnull {
 48 1cc215aa 2004-12-25 devnull 	u32int	version;
 49 1cc215aa 2004-12-25 devnull 	u32int	size;
 50 1cc215aa 2004-12-25 devnull 	char	name[17];
 51 1cc215aa 2004-12-25 devnull 	char	psargs[81];
 52 1cc215aa 2004-12-25 devnull };
 53 1cc215aa 2004-12-25 devnull 
 54 a84cbb2a 2004-04-19 devnull int
 55 a84cbb2a 2004-04-19 devnull coreregsfreebsd386(Elf *elf, ElfNote *note, uchar **up)
 56 a84cbb2a 2004-04-19 devnull {
 57 a84cbb2a 2004-04-19 devnull 	Status *s;
 58 a84cbb2a 2004-04-19 devnull 	Lreg *l;
 59 a84cbb2a 2004-04-19 devnull 	Ureg *u;
 60 a84cbb2a 2004-04-19 devnull 
 61 a84cbb2a 2004-04-19 devnull 	if(note->descsz < sizeof(Status)){
 62 a84cbb2a 2004-04-19 devnull 		werrstr("elf status note too small");
 63 a84cbb2a 2004-04-19 devnull 		return -1;
 64 a84cbb2a 2004-04-19 devnull 	}
 65 a84cbb2a 2004-04-19 devnull 	s = (Status*)note->desc;
 66 a84cbb2a 2004-04-19 devnull 	if(s->version != 1){
 67 a84cbb2a 2004-04-19 devnull 		werrstr("unknown status version %ud", (uint)s->version);
 68 a84cbb2a 2004-04-19 devnull 		return -1;
 69 a84cbb2a 2004-04-19 devnull 	}
 70 a84cbb2a 2004-04-19 devnull 	l = &s->reg;
 71 a84cbb2a 2004-04-19 devnull 	u = malloc(sizeof(Ureg));
 72 a84cbb2a 2004-04-19 devnull 	if(u == nil)
 73 a84cbb2a 2004-04-19 devnull 		return -1;
 74 a84cbb2a 2004-04-19 devnull 
 75 a84cbb2a 2004-04-19 devnull 	/* no byte order problems - just copying and rearranging */
 76 a84cbb2a 2004-04-19 devnull 	u->di = l->edi;
 77 a84cbb2a 2004-04-19 devnull 	u->si = l->esi;
 78 a84cbb2a 2004-04-19 devnull 	u->bp = l->ebp;
 79 a84cbb2a 2004-04-19 devnull 	u->nsp = l->esp;
 80 a84cbb2a 2004-04-19 devnull 	u->bx = l->ebx;
 81 a84cbb2a 2004-04-19 devnull 	u->dx = l->edx;
 82 a84cbb2a 2004-04-19 devnull 	u->cx = l->ecx;
 83 a84cbb2a 2004-04-19 devnull 	u->ax = l->eax;
 84 a84cbb2a 2004-04-19 devnull 	u->gs = l->gs;
 85 a84cbb2a 2004-04-19 devnull 	u->fs = l->fs;
 86 a84cbb2a 2004-04-19 devnull 	u->es = l->es;
 87 a84cbb2a 2004-04-19 devnull 	u->ds = l->ds;
 88 a84cbb2a 2004-04-19 devnull 	u->trap = l->trapno;
 89 a84cbb2a 2004-04-19 devnull 	u->ecode = l->err;
 90 a84cbb2a 2004-04-19 devnull 	u->pc = l->eip;
 91 a84cbb2a 2004-04-19 devnull 	u->cs = l->cs;
 92 a84cbb2a 2004-04-19 devnull 	u->flags = l->eflags;
 93 a84cbb2a 2004-04-19 devnull 	u->sp = l->esp;
 94 a84cbb2a 2004-04-19 devnull 	u->ss = l->ss;
 95 a84cbb2a 2004-04-19 devnull 	*up = (uchar*)u;
 96 a84cbb2a 2004-04-19 devnull 	return sizeof(Ureg);
 97 a84cbb2a 2004-04-19 devnull }
 98 a84cbb2a 2004-04-19 devnull 
 99 1cc215aa 2004-12-25 devnull int
100 1cc215aa 2004-12-25 devnull corecmdfreebsd386(Elf *elf, ElfNote *note, char **pp)
101 1cc215aa 2004-12-25 devnull {
102 1cc215aa 2004-12-25 devnull 	char *t;
103 1cc215aa 2004-12-25 devnull 	Psinfo *p;
104 1cc215aa 2004-12-25 devnull 
105 1cc215aa 2004-12-25 devnull 	*pp = nil;
106 1cc215aa 2004-12-25 devnull 	if(note->descsz < sizeof(Psinfo)){
107 1cc215aa 2004-12-25 devnull 		werrstr("elf psinfo note too small");
108 1cc215aa 2004-12-25 devnull 		return -1;
109 1cc215aa 2004-12-25 devnull 	}
110 1cc215aa 2004-12-25 devnull 	p = (Psinfo*)note->desc;
111 cbeb0b26 2006-04-01 devnull 	/* print("elf name %s\nelf args %s\n", p->name, p->psargs); */
112 1cc215aa 2004-12-25 devnull 	t = malloc(80+1);
113 1cc215aa 2004-12-25 devnull 	if(t == nil)
114 1cc215aa 2004-12-25 devnull 		return -1;
115 1cc215aa 2004-12-25 devnull 	memmove(t, p->psargs, 80);
116 1cc215aa 2004-12-25 devnull 	t[80] = 0;
117 1cc215aa 2004-12-25 devnull 	*pp = t;
118 1cc215aa 2004-12-25 devnull 	return 0;
119 1cc215aa 2004-12-25 devnull }