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Introduce sys_getregs call, and let vfs use it

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This commit is contained in:
David van Moolenbroek
2011-11-22 02:07:33 +01:00
parent c30f014a89
commit 1e1db53986
4 changed files with 21 additions and 11 deletions
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10
kernel/system/do_getinfo.c
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@@ -44,6 +44,7 @@ PUBLIC int do_getinfo(struct proc * caller, message * m_ptr)
vir_bytes src_vir;
int nr_e, nr, r;
int wipe_rnd_bin = -1;
struct proc *p;
#if !defined(__ELF__)
struct exec e_hdr;
#endif
@@ -112,6 +113,15 @@ PUBLIC int do_getinfo(struct proc * caller, message * m_ptr)
src_vir = (vir_bytes) priv_addr(nr_to_id(nr));
break;
}
case GET_REGS: {
nr_e = (m_ptr->I_VAL_LEN2_E == SELF) ?
caller->p_endpoint : m_ptr->I_VAL_LEN2_E;
if(!isokendpt(nr_e, &nr)) return EINVAL; /* validate request */
p = proc_addr(nr);
length = sizeof(p->p_reg);
src_vir = (vir_bytes) &p->p_reg;
break;
}
case GET_WHOAMI: {
int len;
/* GET_WHOAMI uses m3 and only uses the message contents for info. */