static void
get_error(struct tcb *tcp, const bool check_errno)
{
/*
* In X32, return value is 64-bit (llseek uses one).
* Using merely "long rax" would not work.
*/
long long rax;
if (x86_io.iov_len == sizeof(i386_regs)) {
/* Sign extend from 32 bits */
rax = (int32_t) i386_regs.eax;
} else {
rax = x86_64_regs.rax;
}
if (check_errno && is_negated_errno(rax)) {
tcp->u_rval = -1;
tcp->u_error = -rax;
} else {
tcp->u_rval = rax;
#ifdef X32
/* tcp->u_rval contains a truncated value */
tcp->u_lrval = rax;
#endif
}
}
static void
get_error(struct tcb *tcp, const bool check_errno)
{
if (check_errno && is_negated_errno(sh_r0)) {
tcp->u_rval = -1;
tcp->u_error = -sh_r0;
} else {
tcp->u_rval = sh_r0;
}
}
static void
get_error(struct tcb *tcp, const bool check_errno)
{
if (check_errno && is_negated_errno(m68k_regs.d0)) {
tcp->u_rval = -1;
tcp->u_error = -m68k_regs.d0;
} else {
tcp->u_rval = m68k_regs.d0;
}
}
static void
get_error(struct tcb *tcp, const bool check_errno)
{
if (check_errno && is_negated_errno(microblaze_r3)) {
tcp->u_rval = -1;
tcp->u_error = -microblaze_r3;
} else {
tcp->u_rval = microblaze_r3;
}
}
static void
get_error(struct tcb *tcp, const bool check_errno)
{
if (check_errno && is_negated_errno(riscv_regs.a0)) {
tcp->u_rval = -1;
tcp->u_error = -riscv_regs.a0;
} else {
tcp->u_rval = riscv_regs.a0;
}
}
static void
get_error(struct tcb *tcp, const bool check_errno)
{
/*
* The standard tile calling convention returns the value
* (or negative errno) in r0, and zero (or positive errno) in r1.
* Until at least kernel 3.8, however, the r1 value is not
* reflected in ptregs at this point, so we use r0 here.
*/
if (check_errno && is_negated_errno(tile_regs.regs[0])) {
tcp->u_rval = -1;
tcp->u_error = -tile_regs.regs[0];
} else {
tcp->u_rval = tile_regs.regs[0];
}
}
static void
get_error(struct tcb *tcp, const bool check_errno)
{
if (ia64_ia32mode) {
int err = ia64_regs.gr[8];
if (check_errno && is_negated_errno(err)) {
tcp->u_rval = -1;
tcp->u_error = -err;
} else {
tcp->u_rval = err;
}
} else {
if (ia64_regs.gr[10]) {
tcp->u_rval = -1;
tcp->u_error = ia64_regs.gr[8];
} else {
tcp->u_rval = ia64_regs.gr[8];
}
}
}
