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Add a new MI pointer to the process' trapframe p_frame instead of using

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various differently named pointers buried under p_md.

Reviewed by:	jake (in principle)
This commit is contained in:
John Baldwin 2001-06-29 11:10:41 +00:00
parent ec2262612f
commit 6be523bca7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=78962
41 changed files with 172 additions and 181 deletions
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2
sys/alpha/alpha/fp_emulate.c
View file

@ -325,7 +325,7 @@ static int fp_emulate(union alpha_instruction ins, struct proc *p)
*/
int fp_software_completion(u_int64_t regmask, struct proc *p)
{
struct trapframe *frame = p->p_md.md_tf;
struct trapframe *frame = p->p_frame;
u_int64_t pc = frame->tf_regs[FRAME_PC];
int error;

40
sys/alpha/alpha/machdep.c
View file

@ -982,7 +982,7 @@ alpha_init(pfn, ptb, bim, bip, biv)
*/
proc0paddr->u_pcb.pcb_hw.apcb_ksp =
(u_int64_t)proc0paddr + USPACE - sizeof(struct trapframe);
proc0.p_md.md_tf =
proc0.p_frame =
(struct trapframe *)proc0paddr->u_pcb.pcb_hw.apcb_ksp;
/*
@ -1232,7 +1232,7 @@ osendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
struct sigacts *psp;
int oonstack, fsize, rndfsize;
frame = p->p_md.md_tf;
frame = p->p_frame;
oonstack = sigonstack(alpha_pal_rdusp());
fsize = sizeof ksi;
rndfsize = ((fsize + 15) / 16) * 16;
@ -1344,7 +1344,7 @@ sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
return;
}
frame = p->p_md.md_tf;
frame = p->p_frame;
oonstack = sigonstack(alpha_pal_rdusp());
rndfsize = ((sizeof(sf) + 15) / 16) * 16;
@ -1522,10 +1522,10 @@ osigreturn(struct proc *p,
PROC_UNLOCK(p);
set_regs(p, (struct reg *)ksc.sc_regs);
p->p_md.md_tf->tf_regs[FRAME_PC] = ksc.sc_pc;
p->p_md.md_tf->tf_regs[FRAME_PS] =
p->p_frame->tf_regs[FRAME_PC] = ksc.sc_pc;
p->p_frame->tf_regs[FRAME_PS] =
(ksc.sc_ps | ALPHA_PSL_USERSET) & ~ALPHA_PSL_USERCLR;
p->p_md.md_tf->tf_regs[FRAME_FLAGS] = 0; /* full restore */
p->p_frame->tf_regs[FRAME_FLAGS] = 0; /* full restore */
alpha_pal_wrusp(ksc.sc_regs[R_SP]);
@ -1570,9 +1570,9 @@ sigreturn(struct proc *p,
set_regs(p, (struct reg *)uc.uc_mcontext.mc_regs);
val = (uc.uc_mcontext.mc_regs[R_PS] | ALPHA_PSL_USERSET) &
~ALPHA_PSL_USERCLR;
p->p_md.md_tf->tf_regs[FRAME_PS] = val;
p->p_md.md_tf->tf_regs[FRAME_PC] = uc.uc_mcontext.mc_regs[R_PC];
p->p_md.md_tf->tf_regs[FRAME_FLAGS] = 0; /* full restore */
p->p_frame->tf_regs[FRAME_PS] = val;
p->p_frame->tf_regs[FRAME_PC] = uc.uc_mcontext.mc_regs[R_PC];
p->p_frame->tf_regs[FRAME_FLAGS] = 0; /* full restore */
alpha_pal_wrusp(uc.uc_mcontext.mc_regs[R_SP]);
PROC_LOCK(p);
@ -1627,7 +1627,7 @@ cpu_halt(void)
void
setregs(struct proc *p, u_long entry, u_long stack, u_long ps_strings)
{
struct trapframe *tfp = p->p_md.md_tf;
struct trapframe *tfp = p->p_frame;
bzero(tfp->tf_regs, FRAME_SIZE * sizeof tfp->tf_regs[0]);
bzero(&p->p_addr->u_pcb.pcb_fp, sizeof p->p_addr->u_pcb.pcb_fp);
@ -1655,7 +1655,7 @@ setregs(struct proc *p, u_long entry, u_long stack, u_long ps_strings)
int
ptrace_set_pc(struct proc *p, unsigned long addr)
{
struct trapframe *tp = p->p_md.md_tf;
struct trapframe *tp = p->p_frame;
tp->tf_regs[FRAME_PC] = addr;
return 0;
}
@ -1738,7 +1738,7 @@ ptrace_read_register(struct proc *p, int regno)
if (regno == R_ZERO)
return 0;
return p->p_md.md_tf->tf_regs[reg_to_frame[regno]];
return p->p_frame->tf_regs[reg_to_frame[regno]];
}
@ -1777,7 +1777,7 @@ int
ptrace_single_step(struct proc *p)
{
int error;
vm_offset_t pc = p->p_md.md_tf->tf_regs[FRAME_PC];
vm_offset_t pc = p->p_frame->tf_regs[FRAME_PC];
alpha_instruction ins;
vm_offset_t addr[2]; /* places to set breakpoints */
int count = 0; /* count of breakpoints */
@ -1854,7 +1854,7 @@ int ptrace_read_u_check(p, addr, len)
if ((vm_offset_t) (addr + len) <= sizeof(struct user))
return 0;
gap = (char *) p->p_md.md_tf - (char *) p->p_addr;
gap = (char *) p->p_frame - (char *) p->p_addr;
if ((vm_offset_t) addr < gap)
return EPERM;
@ -1877,10 +1877,10 @@ ptrace_write_u(struct proc *p, vm_offset_t off, long data)
* Privileged kernel state is scattered all over the user area.
* Only allow write access to parts of regs and to fpregs.
*/
min = (char *)p->p_md.md_tf - (char *)p->p_addr;
min = (char *)p->p_frame - (char *)p->p_addr;
if (off >= min && off <= min + sizeof(struct trapframe) - sizeof(int)) {
#if 0
tp = p->p_md.md_tf;
tp = p->p_frame;
frame_copy = *tp;
*(int *)((char *)&frame_copy + (off - min)) = data;
if (!EFLAGS_SECURE(frame_copy.tf_eflags, tp->tf_eflags) ||
@ -1922,9 +1922,9 @@ fill_regs(p, regs)
struct reg *regs;
{
struct pcb *pcb = &p->p_addr->u_pcb;
struct trapframe *tp = p->p_md.md_tf;
struct trapframe *tp = p->p_frame;
tp = p->p_md.md_tf;
tp = p->p_frame;
#define C(r) regs->r_regs[R_ ## r] = tp->tf_regs[FRAME_ ## r]
@ -1949,9 +1949,9 @@ set_regs(p, regs)
struct reg *regs;
{
struct pcb *pcb = &p->p_addr->u_pcb;
struct trapframe *tp = p->p_md.md_tf;
struct trapframe *tp = p->p_frame;
tp = p->p_md.md_tf;
tp = p->p_frame;
#define C(r) tp->tf_regs[FRAME_ ## r] = regs->r_regs[R_ ## r]

2
sys/alpha/alpha/mp_machdep.c
View file

@ -173,7 +173,7 @@ smp_init_secondary(void)
* and make idleproc's trapframe pointer point to its
* stack pointer for sanity.
*/
curproc->p_md.md_tf =
curproc->p_frame =
(struct trapframe *)globalp->gd_idlepcb.apcb_ksp;
mtx_lock_spin(&ap_boot_mtx);

22
sys/alpha/alpha/trap.c
View file

@ -340,7 +340,7 @@ trap(a0, a1, a2, entry, framep)
mtx_lock_spin(&sched_lock);
sticks = p->p_sticks;
mtx_unlock_spin(&sched_lock);
p->p_md.md_tf = framep;
p->p_frame = framep;
} else {
sticks = 0; /* XXX bogus -Wuninitialized warning */
}
@ -445,7 +445,7 @@ trap(a0, a1, a2, entry, framep)
if (p->p_md.md_flags & (MDP_STEP1|MDP_STEP2)) {
mtx_lock(&Giant);
ptrace_clear_single_step(p);
p->p_md.md_tf->tf_regs[FRAME_PC] -= 4;
p->p_frame->tf_regs[FRAME_PC] -= 4;
mtx_unlock(&Giant);
}
ucode = a0; /* trap type */
@ -743,7 +743,7 @@ syscall(code, framep)
#endif
cnt.v_syscall++;
p->p_md.md_tf = framep;
p->p_frame = framep;
opc = framep->tf_regs[FRAME_PC] - 4;
mtx_lock_spin(&sched_lock);
sticks = p->p_sticks;
@ -904,7 +904,7 @@ ast(framep)
}
sticks = p->p_sticks;
p->p_md.md_tf = framep;
p->p_frame = framep;
astoff(p);
cnt.v_soft++;
@ -957,7 +957,7 @@ const static int reg_to_framereg[32] = {
#define irp(p, reg) \
((reg_to_framereg[(reg)] == -1) ? NULL : \
&(p)->p_md.md_tf->tf_regs[reg_to_framereg[(reg)]])
&(p)->p_frame->tf_regs[reg_to_framereg[(reg)]])
#define frp(p, reg) \
(&(p)->p_addr->u_pcb.pcb_fp.fpr_regs[(reg)])
@ -1187,8 +1187,8 @@ unaligned_fixup(va, opcode, reg, p)
if (doprint) {
uprintf(
"pid %d (%s): unaligned access: va=0x%lx pc=0x%lx ra=0x%lx op=",
p->p_pid, p->p_comm, va, p->p_md.md_tf->tf_regs[FRAME_PC],
p->p_md.md_tf->tf_regs[FRAME_RA]);
p->p_pid, p->p_comm, va, p->p_frame->tf_regs[FRAME_PC],
p->p_frame->tf_regs[FRAME_RA]);
uprintf(type,opcode);
uprintf("\n");
}
@ -1305,9 +1305,9 @@ handle_opdec(p, ucodep)
* This keeps us from having to check for it in lots of places
* later.
*/
p->p_md.md_tf->tf_regs[FRAME_SP] = alpha_pal_rdusp();
p->p_frame->tf_regs[FRAME_SP] = alpha_pal_rdusp();
inst_pc = memaddr = p->p_md.md_tf->tf_regs[FRAME_PC] - 4;
inst_pc = memaddr = p->p_frame->tf_regs[FRAME_PC] - 4;
if (copyin((caddr_t)inst_pc, &inst, sizeof (inst)) != 0) {
/*
* really, this should never happen, but in case it
@ -1424,7 +1424,7 @@ handle_opdec(p, ucodep)
* nothing will have been successfully modified so we don't
* have to write it out.
*/
alpha_pal_wrusp(p->p_md.md_tf->tf_regs[FRAME_SP]);
alpha_pal_wrusp(p->p_frame->tf_regs[FRAME_SP]);
return (0);
@ -1434,7 +1434,7 @@ handle_opdec(p, ucodep)
sigsegv:
sig = SIGSEGV;
p->p_md.md_tf->tf_regs[FRAME_PC] = inst_pc; /* re-run instr. */
p->p_frame->tf_regs[FRAME_PC] = inst_pc; /* re-run instr. */
unaligned_fixup_sig:
*ucodep = memaddr; /* faulting address */
return (sig);

7
sys/alpha/alpha/vm_machdep.c
View file

@ -125,7 +125,7 @@ cpu_fork(p1, p2, flags)
if ((flags & RFPROC) == 0)
return;
p2->p_md.md_tf = p1->p_md.md_tf;
p2->p_frame = p1->p_frame;
p2->p_md.md_flags = p1->p_md.md_flags & (MDP_FPUSED | MDP_UAC_MASK);
/*
@ -181,10 +181,9 @@ cpu_fork(p1, p2, flags)
* copy trapframe from parent so return to user mode
* will be to right address, with correct registers.
*/
p2tf = p2->p_md.md_tf = (struct trapframe *)
p2tf = p2->p_frame = (struct trapframe *)
((char *)p2->p_addr + USPACE - sizeof(struct trapframe));
bcopy(p1->p_md.md_tf, p2->p_md.md_tf,
sizeof(struct trapframe));
bcopy(p1->p_frame, p2->p_frame, sizeof(struct trapframe));
/*
* Set up return-value registers as fork() libc stub expects.

1
sys/alpha/include/proc.h
View file

@ -45,7 +45,6 @@ struct mdbpt {
struct mdproc {
u_long md_flags;
struct trapframe *md_tf; /* trap/syscall registers */
struct pcb *md_pcbpaddr; /* phys addr of the pcb */
struct mdbpt md_sstep[2]; /* two single step breakpoints */
u_int64_t md_hae; /* user HAE register value */

8
sys/alpha/osf1/osf1_signal.c
View file

@ -588,7 +588,7 @@ osf1_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
PROC_LOCK(p);
psp = p->p_sigacts;
frame = p->p_md.md_tf;
frame = p->p_frame;
oonstack = sigonstack(alpha_pal_rdusp());
fsize = sizeof ksi;
rndfsize = ((fsize + 15) / 16) * 16;
@ -724,10 +724,10 @@ osf1_sigreturn(struct proc *p,
PROC_UNLOCK(p);
set_regs(p, (struct reg *)ksc.sc_regs);
p->p_md.md_tf->tf_regs[FRAME_PC] = ksc.sc_pc;
p->p_md.md_tf->tf_regs[FRAME_PS] =
p->p_frame->tf_regs[FRAME_PC] = ksc.sc_pc;
p->p_frame->tf_regs[FRAME_PS] =
(ksc.sc_ps | ALPHA_PSL_USERSET) & ~ALPHA_PSL_USERCLR;
p->p_md.md_tf->tf_regs[FRAME_FLAGS] = 0; /* full restore */
p->p_frame->tf_regs[FRAME_FLAGS] = 0; /* full restore */
alpha_pal_wrusp(ksc.sc_regs[R_SP]);

26
sys/amd64/amd64/machdep.c
View file

@ -467,7 +467,7 @@ osendsig(catcher, sig, mask, code)
p = curproc;
PROC_LOCK(p);
psp = p->p_sigacts;
regs = p->p_md.md_regs;
regs = p->p_frame;
oonstack = sigonstack(regs->tf_esp);
/* Allocate and validate space for the signal handler context. */
@ -617,7 +617,7 @@ sendsig(catcher, sig, mask, code)
osendsig(catcher, sig, mask, code);
return;
}
regs = p->p_md.md_regs;
regs = p->p_frame;
oonstack = sigonstack(regs->tf_esp);
/* Save user context. */
@ -764,7 +764,7 @@ osigreturn(p, uap)
struct osigcontext *scp;
int eflags;
regs = p->p_md.md_regs;
regs = p->p_frame;
scp = uap->sigcntxp;
if (!useracc((caddr_t)scp, sizeof(*scp), VM_PROT_READ))
return (EFAULT);
@ -889,7 +889,7 @@ sigreturn(p, uap)
if (!useracc((caddr_t)ucp, sizeof(*ucp), VM_PROT_READ))
return (EFAULT);
regs = p->p_md.md_regs;
regs = p->p_frame;
eflags = ucp->uc_mcontext.mc_eflags;
if (eflags & PSL_VM) {
struct trapframe_vm86 *tf = (struct trapframe_vm86 *)regs;
@ -1035,7 +1035,7 @@ setregs(p, entry, stack, ps_strings)
u_long stack;
u_long ps_strings;
{
struct trapframe *regs = p->p_md.md_regs;
struct trapframe *regs = p->p_frame;
struct pcb *pcb = &p->p_addr->u_pcb;
if (pcb->pcb_ldt)
@ -2034,7 +2034,7 @@ init386(first)
proc0.p_addr->u_pcb.pcb_flags = 0;
proc0.p_addr->u_pcb.pcb_cr3 = (int)IdlePTD;
proc0.p_addr->u_pcb.pcb_ext = 0;
proc0.p_md.md_regs = &proc0_tf;
proc0.p_frame = &proc0_tf;
}
#if defined(I586_CPU) && !defined(NO_F00F_HACK)
@ -2081,7 +2081,7 @@ ptrace_set_pc(p, addr)
struct proc *p;
unsigned long addr;
{
p->p_md.md_regs->tf_eip = addr;
p->p_frame->tf_eip = addr;
return (0);
}
@ -2089,7 +2089,7 @@ int
ptrace_single_step(p)
struct proc *p;
{
p->p_md.md_regs->tf_eflags |= PSL_T;
p->p_frame->tf_eflags |= PSL_T;
return (0);
}
@ -2105,7 +2105,7 @@ int ptrace_read_u_check(p, addr, len)
if ((vm_offset_t) (addr + len) <= sizeof(struct user))
return 0;
gap = (char *) p->p_md.md_regs - (char *) p->p_addr;
gap = (char *) p->p_frame - (char *) p->p_addr;
if ((vm_offset_t) addr < gap)
return EPERM;
@ -2128,9 +2128,9 @@ int ptrace_write_u(p, off, data)
* Privileged kernel state is scattered all over the user area.
* Only allow write access to parts of regs and to fpregs.
*/
min = (char *)p->p_md.md_regs - (char *)p->p_addr;
min = (char *)p->p_frame - (char *)p->p_addr;
if (off >= min && off <= min + sizeof(struct trapframe) - sizeof(int)) {
tp = p->p_md.md_regs;
tp = p->p_frame;
frame_copy = *tp;
*(int *)((char *)&frame_copy + (off - min)) = data;
if (!EFL_SECURE(frame_copy.tf_eflags, tp->tf_eflags) ||
@ -2155,7 +2155,7 @@ fill_regs(p, regs)
struct pcb *pcb;
struct trapframe *tp;
tp = p->p_md.md_regs;
tp = p->p_frame;
regs->r_fs = tp->tf_fs;
regs->r_es = tp->tf_es;
regs->r_ds = tp->tf_ds;
@ -2184,7 +2184,7 @@ set_regs(p, regs)
struct pcb *pcb;
struct trapframe *tp;
tp = p->p_md.md_regs;
tp = p->p_frame;
if (!EFL_SECURE(regs->r_eflags, tp->tf_eflags) ||
!CS_SECURE(regs->r_cs))
return (EINVAL);

4
sys/amd64/amd64/mem.c
View file

@ -102,7 +102,7 @@ mmclose(dev_t dev, int flags, int fmt, struct proc *p)
{
switch (minor(dev)) {
case 14:
p->p_md.md_regs->tf_eflags &= ~PSL_IOPL;
p->p_frame->tf_eflags &= ~PSL_IOPL;
}
return (0);
}
@ -124,7 +124,7 @@ mmopen(dev_t dev, int flags, int fmt, struct proc *p)
return (error);
if (securelevel > 0)
return (EPERM);
p->p_md.md_regs->tf_eflags |= PSL_IOPL;
p->p_frame->tf_eflags |= PSL_IOPL;
break;
}
return (0);

6
sys/amd64/amd64/trap.c
View file

@ -277,7 +277,7 @@ trap(frame)
mtx_lock_spin(&sched_lock);
sticks = p->p_sticks;
mtx_unlock_spin(&sched_lock);
p->p_md.md_regs = &frame;
p->p_frame = &frame;
switch (type) {
case T_PRIVINFLT: /* privileged instruction fault */
@ -1095,7 +1095,7 @@ syscall(frame)
sticks = p->p_sticks;
mtx_unlock_spin(&sched_lock);
p->p_md.md_regs = &frame;
p->p_frame = &frame;
params = (caddr_t)frame.tf_esp + sizeof(int);
code = frame.tf_eax;
@ -1279,7 +1279,7 @@ ast(framep)
}
sticks = p->p_sticks;
p->p_md.md_regs = framep;
p->p_frame = framep;
astoff(p);
cnt.v_soft++;

16
sys/amd64/amd64/vm_machdep.c
View file

@ -161,13 +161,13 @@ cpu_fork(p1, p2, flags)
* Copy the trap frame for the return to user mode as if from a
* syscall. This copies most of the user mode register values.
*/
p2->p_md.md_regs = (struct trapframe *)
p2->p_frame = (struct trapframe *)
((int)p2->p_addr + UPAGES * PAGE_SIZE - 16) - 1;
bcopy(p1->p_md.md_regs, p2->p_md.md_regs, sizeof(*p2->p_md.md_regs));
bcopy(p1->p_frame, p2->p_frame, sizeof(struct trapframe));
p2->p_md.md_regs->tf_eax = 0; /* Child returns zero */
p2->p_md.md_regs->tf_eflags &= ~PSL_C; /* success */
p2->p_md.md_regs->tf_edx = 1;
p2->p_frame->tf_eax = 0; /* Child returns zero */
p2->p_frame->tf_eflags &= ~PSL_C; /* success */
p2->p_frame->tf_edx = 1;
/*
* Set registers for trampoline to user mode. Leave space for the
@ -177,7 +177,7 @@ cpu_fork(p1, p2, flags)
pcb2->pcb_edi = 0;
pcb2->pcb_esi = (int)fork_return; /* fork_trampoline argument */
pcb2->pcb_ebp = 0;
pcb2->pcb_esp = (int)p2->p_md.md_regs - sizeof(void *);
pcb2->pcb_esp = (int)p2->p_frame - sizeof(void *);
pcb2->pcb_ebx = (int)p2; /* fork_trampoline argument */
pcb2->pcb_eip = (int)fork_trampoline;
/*-
@ -319,8 +319,8 @@ cpu_coredump(p, vp, cred)
return EINVAL;
bcopy(p->p_addr, tempuser, sizeof(struct user));
bcopy(p->p_md.md_regs,
tempuser + ((caddr_t) p->p_md.md_regs - (caddr_t) p->p_addr),
bcopy(p->p_frame,
tempuser + ((caddr_t) p->p_frame - (caddr_t) p->p_addr),
sizeof(struct trapframe));
error = vn_rdwr(UIO_WRITE, vp, (caddr_t) tempuser,

4
sys/amd64/include/cpu.h
View file

@ -56,8 +56,8 @@
#define cpu_exec(p) /* nothing */
#define cpu_swapin(p) /* nothing */
#define cpu_getstack(p) ((p)->p_md.md_regs->tf_esp)
#define cpu_setstack(p, ap) ((p)->p_md.md_regs->tf_esp = (ap))
#define cpu_getstack(p) ((p)->p_frame->tf_esp)
#define cpu_setstack(p, ap) ((p)->p_frame->tf_esp = (ap))
#define TRAPF_USERMODE(framep) \
((ISPL((framep)->tf_cs) == SEL_UPL) || ((framep)->tf_eflags & PSL_VM))

1
sys/amd64/include/proc.h
View file

@ -43,7 +43,6 @@
* Machine-dependent part of the proc structure for i386.
*/
struct mdproc {
struct trapframe *md_regs; /* registers on current frame */
};
#endif /* !_MACHINE_PROC_H_ */

4
sys/dev/syscons/syscons.c
View file

@ -1017,13 +1017,13 @@ scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
if (securelevel > 0)
return EPERM;
#ifdef __i386__
p->p_md.md_regs->tf_eflags |= PSL_IOPL;
p->p_frame->tf_eflags |= PSL_IOPL;
#endif
return 0;
case KDDISABIO: /* disallow io operations (default) */
#ifdef __i386__
p->p_md.md_regs->tf_eflags &= ~PSL_IOPL;
p->p_frame->tf_eflags &= ~PSL_IOPL;
#endif
return 0;

26
sys/i386/i386/machdep.c
View file

@ -467,7 +467,7 @@ osendsig(catcher, sig, mask, code)
p = curproc;
PROC_LOCK(p);
psp = p->p_sigacts;
regs = p->p_md.md_regs;
regs = p->p_frame;
oonstack = sigonstack(regs->tf_esp);
/* Allocate and validate space for the signal handler context. */
@ -617,7 +617,7 @@ sendsig(catcher, sig, mask, code)
osendsig(catcher, sig, mask, code);
return;
}
regs = p->p_md.md_regs;
regs = p->p_frame;
oonstack = sigonstack(regs->tf_esp);
/* Save user context. */
@ -764,7 +764,7 @@ osigreturn(p, uap)
struct osigcontext *scp;
int eflags;
regs = p->p_md.md_regs;
regs = p->p_frame;
scp = uap->sigcntxp;
if (!useracc((caddr_t)scp, sizeof(*scp), VM_PROT_READ))
return (EFAULT);
@ -889,7 +889,7 @@ sigreturn(p, uap)
if (!useracc((caddr_t)ucp, sizeof(*ucp), VM_PROT_READ))
return (EFAULT);
regs = p->p_md.md_regs;
regs = p->p_frame;
eflags = ucp->uc_mcontext.mc_eflags;
if (eflags & PSL_VM) {
struct trapframe_vm86 *tf = (struct trapframe_vm86 *)regs;
@ -1035,7 +1035,7 @@ setregs(p, entry, stack, ps_strings)
u_long stack;
u_long ps_strings;
{
struct trapframe *regs = p->p_md.md_regs;
struct trapframe *regs = p->p_frame;
struct pcb *pcb = &p->p_addr->u_pcb;
if (pcb->pcb_ldt)
@ -2034,7 +2034,7 @@ init386(first)
proc0.p_addr->u_pcb.pcb_flags = 0;
proc0.p_addr->u_pcb.pcb_cr3 = (int)IdlePTD;
proc0.p_addr->u_pcb.pcb_ext = 0;
proc0.p_md.md_regs = &proc0_tf;
proc0.p_frame = &proc0_tf;
}
#if defined(I586_CPU) && !defined(NO_F00F_HACK)
@ -2081,7 +2081,7 @@ ptrace_set_pc(p, addr)
struct proc *p;
unsigned long addr;
{
p->p_md.md_regs->tf_eip = addr;
p->p_frame->tf_eip = addr;
return (0);
}
@ -2089,7 +2089,7 @@ int
ptrace_single_step(p)
struct proc *p;
{
p->p_md.md_regs->tf_eflags |= PSL_T;
p->p_frame->tf_eflags |= PSL_T;
return (0);
}
@ -2105,7 +2105,7 @@ int ptrace_read_u_check(p, addr, len)
if ((vm_offset_t) (addr + len) <= sizeof(struct user))
return 0;
gap = (char *) p->p_md.md_regs - (char *) p->p_addr;
gap = (char *) p->p_frame - (char *) p->p_addr;
if ((vm_offset_t) addr < gap)
return EPERM;
@ -2128,9 +2128,9 @@ int ptrace_write_u(p, off, data)
* Privileged kernel state is scattered all over the user area.
* Only allow write access to parts of regs and to fpregs.
*/
min = (char *)p->p_md.md_regs - (char *)p->p_addr;
min = (char *)p->p_frame - (char *)p->p_addr;
if (off >= min && off <= min + sizeof(struct trapframe) - sizeof(int)) {
tp = p->p_md.md_regs;
tp = p->p_frame;
frame_copy = *tp;
*(int *)((char *)&frame_copy + (off - min)) = data;
if (!EFL_SECURE(frame_copy.tf_eflags, tp->tf_eflags) ||
@ -2155,7 +2155,7 @@ fill_regs(p, regs)
struct pcb *pcb;
struct trapframe *tp;
tp = p->p_md.md_regs;
tp = p->p_frame;
regs->r_fs = tp->tf_fs;
regs->r_es = tp->tf_es;
regs->r_ds = tp->tf_ds;
@ -2184,7 +2184,7 @@ set_regs(p, regs)
struct pcb *pcb;
struct trapframe *tp;
tp = p->p_md.md_regs;
tp = p->p_frame;
if (!EFL_SECURE(regs->r_eflags, tp->tf_eflags) ||
!CS_SECURE(regs->r_cs))
return (EINVAL);

2
sys/i386/i386/math_emulate.c
View file

@ -604,7 +604,7 @@ static int __regoffset[] = {
tEAX, tECX, tEDX, tEBX, tESP, tEBP, tESI, tEDI
};
#define REG(x) (((int *)curproc->p_md.md_regs)[__regoffset[(x)]])
#define REG(x) (((int *)curproc->p_frame)[__regoffset[(x)]])
static char *
sib(struct trapframe * info, int mod)

4
sys/i386/i386/mem.c
View file

@ -102,7 +102,7 @@ mmclose(dev_t dev, int flags, int fmt, struct proc *p)
{
switch (minor(dev)) {
case 14:
p->p_md.md_regs->tf_eflags &= ~PSL_IOPL;
p->p_frame->tf_eflags &= ~PSL_IOPL;
}
return (0);
}
@ -124,7 +124,7 @@ mmopen(dev_t dev, int flags, int fmt, struct proc *p)
return (error);
if (securelevel > 0)
return (EPERM);
p->p_md.md_regs->tf_eflags |= PSL_IOPL;
p->p_frame->tf_eflags |= PSL_IOPL;
break;
}
return (0);

6
sys/i386/i386/trap.c
View file

@ -277,7 +277,7 @@ trap(frame)
mtx_lock_spin(&sched_lock);
sticks = p->p_sticks;
mtx_unlock_spin(&sched_lock);
p->p_md.md_regs = &frame;
p->p_frame = &frame;
switch (type) {
case T_PRIVINFLT: /* privileged instruction fault */
@ -1095,7 +1095,7 @@ syscall(frame)
sticks = p->p_sticks;
mtx_unlock_spin(&sched_lock);
p->p_md.md_regs = &frame;
p->p_frame = &frame;
params = (caddr_t)frame.tf_esp + sizeof(int);
code = frame.tf_eax;
@ -1279,7 +1279,7 @@ ast(framep)
}
sticks = p->p_sticks;
p->p_md.md_regs = framep;
p->p_frame = framep;
astoff(p);
cnt.v_soft++;

16
sys/i386/i386/vm_machdep.c
View file

@ -161,13 +161,13 @@ cpu_fork(p1, p2, flags)
* Copy the trap frame for the return to user mode as if from a
* syscall. This copies most of the user mode register values.
*/
p2->p_md.md_regs = (struct trapframe *)
p2->p_frame = (struct trapframe *)
((int)p2->p_addr + UPAGES * PAGE_SIZE - 16) - 1;
bcopy(p1->p_md.md_regs, p2->p_md.md_regs, sizeof(*p2->p_md.md_regs));
bcopy(p1->p_frame, p2->p_frame, sizeof(struct trapframe));
p2->p_md.md_regs->tf_eax = 0; /* Child returns zero */
p2->p_md.md_regs->tf_eflags &= ~PSL_C; /* success */
p2->p_md.md_regs->tf_edx = 1;
p2->p_frame->tf_eax = 0; /* Child returns zero */
p2->p_frame->tf_eflags &= ~PSL_C; /* success */
p2->p_frame->tf_edx = 1;
/*
* Set registers for trampoline to user mode. Leave space for the
@ -177,7 +177,7 @@ cpu_fork(p1, p2, flags)
pcb2->pcb_edi = 0;
pcb2->pcb_esi = (int)fork_return; /* fork_trampoline argument */
pcb2->pcb_ebp = 0;
pcb2->pcb_esp = (int)p2->p_md.md_regs - sizeof(void *);
pcb2->pcb_esp = (int)p2->p_frame - sizeof(void *);
pcb2->pcb_ebx = (int)p2; /* fork_trampoline argument */
pcb2->pcb_eip = (int)fork_trampoline;
/*-
@ -319,8 +319,8 @@ cpu_coredump(p, vp, cred)
return EINVAL;
bcopy(p->p_addr, tempuser, sizeof(struct user));
bcopy(p->p_md.md_regs,
tempuser + ((caddr_t) p->p_md.md_regs - (caddr_t) p->p_addr),
bcopy(p->p_frame,
tempuser + ((caddr_t) p->p_frame - (caddr_t) p->p_addr),
sizeof(struct trapframe));
error = vn_rdwr(UIO_WRITE, vp, (caddr_t) tempuser,

2
sys/i386/ibcs2/ibcs2_isc.c
View file

@ -46,7 +46,7 @@ extern struct sysent isc_sysent[];
int
ibcs2_isc(struct proc *p, struct ibcs2_isc_args *uap)
{
struct trapframe *tf = p->p_md.md_regs;
struct trapframe *tf = p->p_frame;
struct sysent *callp;
u_int code;

2
sys/i386/ibcs2/ibcs2_misc.c
View file

@ -143,7 +143,7 @@ ibcs2_wait(p, uap)
{
int error, status;
struct wait_args w4;
struct trapframe *tf = p->p_md.md_regs;
struct trapframe *tf = p->p_frame;
SCARG(&w4, rusage) = NULL;
if ((tf->tf_eflags & (PSL_Z|PSL_PF|PSL_N|PSL_V))

2
sys/i386/ibcs2/ibcs2_xenix.c
View file

@ -55,7 +55,7 @@ extern struct sysent xenix_sysent[];
int
ibcs2_xenix(struct proc *p, struct ibcs2_xenix_args *uap)
{
struct trapframe *tf = p->p_md.md_regs;
struct trapframe *tf = p->p_frame;
struct sysent *callp;
u_int code;

4
sys/i386/include/cpu.h
View file

@ -56,8 +56,8 @@
#define cpu_exec(p) /* nothing */
#define cpu_swapin(p) /* nothing */
#define cpu_getstack(p) ((p)->p_md.md_regs->tf_esp)
#define cpu_setstack(p, ap) ((p)->p_md.md_regs->tf_esp = (ap))
#define cpu_getstack(p) ((p)->p_frame->tf_esp)
#define cpu_setstack(p, ap) ((p)->p_frame->tf_esp = (ap))
#define TRAPF_USERMODE(framep) \
((ISPL((framep)->tf_cs) == SEL_UPL) || ((framep)->tf_eflags & PSL_VM))

1
sys/i386/include/proc.h
View file

@ -43,7 +43,6 @@
* Machine-dependent part of the proc structure for i386.
*/
struct mdproc {
struct trapframe *md_regs; /* registers on current frame */
};
#endif /* !_MACHINE_PROC_H_ */

4
sys/i386/isa/pcvt/pcvt_ext.c
View file

@ -2613,7 +2613,7 @@ usl_vt_ioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
/* grant the process IO access; only allowed if euid == 0 */
/* and insecure */
{
struct trapframe *fp = p->p_md.md_regs;
struct trapframe *fp = p->p_frame;
error = suser(p);
if (error != 0)
@ -2629,7 +2629,7 @@ usl_vt_ioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
case KDDISABIO:
/* abandon IO access permission */
{
struct trapframe *fp = p->p_md.md_regs;
struct trapframe *fp = p->p_frame;
fp->tf_eflags &= ~PSL_IOPL;
return 0;
}

4
sys/i386/isa/spigot.c
View file

@ -241,10 +241,10 @@ struct spigot_info *info;
if (securelevel > 0)
return EPERM;
#endif
p->p_md.md_regs->tf_eflags |= PSL_IOPL;
p->p_frame->tf_eflags |= PSL_IOPL;
break;
case SPIGOT_IOPL_OFF: /* deny access to the IO PAGE */
p->p_md.md_regs->tf_eflags &= ~PSL_IOPL;
p->p_frame->tf_eflags &= ~PSL_IOPL;
break;
case SPIGOT_GET_INFO:
info = (struct spigot_info *)data;

4
sys/i386/linux/linux_machdep.c
View file

@ -262,7 +262,7 @@ linux_clone(struct proc *p, struct linux_clone_args *args)
PROC_LOCK(p2);
p2->p_sigparent = exit_signal;
PROC_UNLOCK(p2);
p2->p_md.md_regs->tf_esp = (unsigned int)args->stack;
p2->p_frame->tf_esp = (unsigned int)args->stack;
#ifdef DEBUG
if (ldebug(clone))
@ -474,7 +474,7 @@ linux_iopl(struct proc *p, struct linux_iopl_args *args)
return (error);
if (securelevel > 0)
return (EPERM);
p->p_md.md_regs->tf_eflags = (p->p_md.md_regs->tf_eflags & ~PSL_IOPL) |
p->p_frame->tf_eflags = (p->p_frame->tf_eflags & ~PSL_IOPL) |
(args->level * (PSL_IOPL / 3));
return (0);
}

8
sys/i386/linux/linux_sysvec.c
View file

@ -213,7 +213,7 @@ linux_rt_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
struct linux_rt_sigframe *fp, frame;
int oonstack;
regs = p->p_md.md_regs;
regs = p->p_frame;
oonstack = sigonstack(regs->tf_esp);
#ifdef DEBUG
@ -370,7 +370,7 @@ linux_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
return;
}
regs = p->p_md.md_regs;
regs = p->p_frame;
oonstack = sigonstack(regs->tf_esp);
#ifdef DEBUG
@ -496,7 +496,7 @@ linux_sigreturn(p, args)
linux_sigset_t lmask;
int eflags, i;
regs = p->p_md.md_regs;
regs = p->p_frame;
#ifdef DEBUG
if (ldebug(sigreturn))
@ -595,7 +595,7 @@ linux_rt_sigreturn(p, args)
int eflags;
caddr_t sg = stackgap_init();
regs = p->p_md.md_regs;
regs = p->p_frame;
#ifdef DEBUG
if (ldebug(rt_sigreturn))

6
sys/i386/svr4/svr4_machdep.c
View file

@ -96,7 +96,7 @@ svr4_getcontext(p, uc, mask, oonstack)
sigset_t *mask;
int oonstack;
{
struct trapframe *tf = p->p_md.md_regs;
struct trapframe *tf = p->p_frame;
svr4_greg_t *r = uc->uc_mcontext.greg;
struct svr4_sigaltstack *s = &uc->uc_stack;
#if defined(DONE_MORE_SIGALTSTACK_WORK)
@ -219,7 +219,7 @@ svr4_setcontext(p, uc)
DPRINTF(("svr4_setcontext(%d)\n", p->p_pid));
tf = p->p_md.md_regs;
tf = p->p_frame;
/*
* Restore register context.
@ -421,7 +421,7 @@ svr4_sendsig(catcher, sig, mask, code)
PROC_LOCK(p);
psp = p->p_sigacts;
tf = p->p_md.md_regs;
tf = p->p_frame;
oonstack = sigonstack(tf->tf_esp);
/*

24
sys/ia64/ia64/machdep.c
View file

@ -562,7 +562,7 @@ ia64_init()
proc0.p_addr->u_pcb.pcb_sp =
(u_int64_t)proc0.p_addr + USPACE - sizeof(struct trapframe) - 16;
proc0.p_addr->u_pcb.pcb_bspstore = (u_int64_t) (proc0.p_addr + 1);
proc0.p_md.md_tf =
proc0.p_frame =
(struct trapframe *)(proc0.p_addr->u_pcb.pcb_sp + 16);
/* Setup curproc so that mutexes work */
@ -738,7 +738,7 @@ sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
PROC_LOCK(p);
psp = p->p_sigacts;
frame = p->p_md.md_tf;
frame = p->p_frame;
oonstack = sigonstack(frame->tf_r[FRAME_SP]);
rndfsize = ((sizeof(sf) + 15) / 16) * 16;
@ -924,7 +924,7 @@ sigreturn(struct proc *p,
{
ucontext_t uc, *ucp;
struct pcb *pcb;
struct trapframe *frame = p->p_md.md_tf;
struct trapframe *frame = p->p_frame;
struct __mcontext *mcp;
ucp = uap->sigcntxp;
@ -1033,7 +1033,7 @@ setregs(struct proc *p, u_long entry, u_long stack, u_long ps_strings)
{
struct trapframe *frame;
frame = p->p_md.md_tf;
frame = p->p_frame;
/*
* Make sure that we restore the entire trapframe after an
@ -1092,7 +1092,7 @@ int ptrace_read_u_check(struct proc *p, vm_offset_t addr, size_t len)
if ((vm_offset_t) (addr + len) <= sizeof(struct user))
return 0;
gap = (char *) p->p_md.md_tf - (char *) p->p_addr;
gap = (char *) p->p_frame - (char *) p->p_addr;
if ((vm_offset_t) addr < gap)
return EPERM;
@ -1115,10 +1115,10 @@ ptrace_write_u(struct proc *p, vm_offset_t off, long data)
* Privileged kernel state is scattered all over the user area.
* Only allow write access to parts of regs and to fpregs.
*/
min = (char *)p->p_md.md_tf - (char *)p->p_addr;
min = (char *)p->p_frame - (char *)p->p_addr;
if (off >= min && off <= min + sizeof(struct trapframe) - sizeof(int)) {
#if 0
tp = p->p_md.md_tf;
tp = p->p_frame;
frame_copy = *tp;
*(int *)((char *)&frame_copy + (off - min)) = data;
if (!EFLAGS_SECURE(frame_copy.tf_eflags, tp->tf_eflags) ||
@ -1281,7 +1281,7 @@ SYSCTL_INT(_machdep, CPU_WALLCLOCK, wall_cmos_clock,
void
ia64_fpstate_check(struct proc *p)
{
if ((p->p_md.md_tf->tf_cr_ipsr & IA64_PSR_DFH) == 0)
if ((p->p_frame->tf_cr_ipsr & IA64_PSR_DFH) == 0)
if (p != PCPU_GET(fpcurproc))
panic("ia64_check_fpcurproc: bogus");
}
@ -1303,7 +1303,7 @@ ia64_fpstate_save(struct proc *p, int write)
savehighfp(p->p_addr->u_pcb.pcb_highfp);
if (write) {
p->p_md.md_tf->tf_cr_ipsr |= IA64_PSR_DFH;
p->p_frame->tf_cr_ipsr |= IA64_PSR_DFH;
PCPU_SET(fpcurproc, NULL);
}
}
@ -1318,7 +1318,7 @@ void
ia64_fpstate_drop(struct proc *p)
{
if (p == PCPU_GET(fpcurproc)) {
p->p_md.md_tf->tf_cr_ipsr |= IA64_PSR_DFH;
p->p_frame->tf_cr_ipsr |= IA64_PSR_DFH;
PCPU_SET(fpcurproc, NULL);
}
}
@ -1335,7 +1335,7 @@ ia64_fpstate_switch(struct proc *p)
* Dump the old fp state if its valid.
*/
savehighfp(PCPU_GET(fpcurproc)->p_addr->u_pcb.pcb_highfp);
PCPU_GET(fpcurproc)->p_md.md_tf->tf_cr_ipsr |= IA64_PSR_DFH;
PCPU_GET(fpcurproc)->p_frame->tf_cr_ipsr |= IA64_PSR_DFH;
}
/*
@ -1343,7 +1343,7 @@ ia64_fpstate_switch(struct proc *p)
*/
PCPU_SET(fpcurproc, p);
restorehighfp(p->p_addr->u_pcb.pcb_highfp);
p->p_md.md_tf->tf_cr_ipsr &= ~IA64_PSR_DFH;
p->p_frame->tf_cr_ipsr &= ~IA64_PSR_DFH;
p->p_md.md_flags |= MDP_FPUSED;
}

8
sys/ia64/ia64/trap.c
View file

@ -242,7 +242,7 @@ trap(int vector, int imm, struct trapframe *framep)
mtx_lock_spin(&sched_lock);
sticks = p->p_sticks;
mtx_unlock_spin(&sched_lock);
p->p_md.md_tf = framep;
p->p_frame = framep;
} else {
sticks = 0; /* XXX bogus -Wuninitialized warning */
}
@ -498,7 +498,7 @@ syscall(int code, u_int64_t *args, struct trapframe *framep)
cnt.v_syscall++;
p = curproc;
p->p_md.md_tf = framep;
p->p_frame = framep;
mtx_lock_spin(&sched_lock);
sticks = p->p_sticks;
mtx_unlock_spin(&sched_lock);
@ -634,7 +634,7 @@ ast(framep)
}
sticks = p->p_sticks;
p->p_md.md_tf = framep;
p->p_frame = framep;
astoff(p);
cnt.v_soft++;
@ -709,7 +709,7 @@ unaligned_fixup(struct trapframe *framep, struct proc *p)
*/
if (doprint) {
uprintf("pid %d (%s): unaligned access: va=0x%lx pc=0x%lx\n",
p->p_pid, p->p_comm, va, p->p_md.md_tf->tf_cr_iip);
p->p_pid, p->p_comm, va, p->p_frame->tf_cr_iip);
}
/*

14
sys/ia64/ia64/vm_machdep.c
View file

@ -131,7 +131,7 @@ cpu_fork(p1, p2, flags)
if ((flags & RFPROC) == 0)
return;
p2->p_md.md_tf = p1->p_md.md_tf;
p2->p_frame = p1->p_frame;
p2->p_md.md_flags = p1->p_md.md_flags & (MDP_FPUSED | MDP_UAC_MASK);
/*
@ -184,10 +184,9 @@ cpu_fork(p1, p2, flags)
* copy trapframe from parent so return to user mode
* will be to right address, with correct registers.
*/
p2tf = p2->p_md.md_tf = (struct trapframe *)
p2tf = p2->p_frame = (struct trapframe *)
((char *)p2->p_addr + USPACE - sizeof(struct trapframe));
bcopy(p1->p_md.md_tf, p2->p_md.md_tf,
sizeof(struct trapframe));
bcopy(p1->p_frame, p2->p_frame, sizeof(struct trapframe));
/*
* Set up return-value registers as fork() libc stub expects.
@ -217,8 +216,7 @@ cpu_fork(p1, p2, flags)
* Copy enough of p1's backing store to include all
* the user's stacked regs.
*/
bcopy(p1bs, p2bs, p1->p_md.md_tf->tf_ndirty);
bcopy(p1bs, p2bs, p1->p_frame->tf_ndirty);
/*
* To calculate the ar.rnat for p2, we need to decide
* if p1's ar.bspstore has advanced past the place
@ -227,7 +225,7 @@ cpu_fork(p1, p2, flags)
* that one from memory, otherwise we take p1's
* current ar.rnat.
*/
rnatloc = (u_int64_t)p1bs + p1->p_md.md_tf->tf_ndirty;
rnatloc = (u_int64_t)p1bs + p1->p_frame->tf_ndirty;
rnatloc |= 0x1f8;
if (bspstore > rnatloc)
rnat = *(u_int64_t *) rnatloc;
@ -246,7 +244,7 @@ cpu_fork(p1, p2, flags)
* straight into exception_restore.
*/
up->u_pcb.pcb_bspstore =
(u_int64_t)p2bs + p1->p_md.md_tf->tf_ndirty;
(u_int64_t)p2bs + p1->p_frame->tf_ndirty;
up->u_pcb.pcb_rnat = rnat;
up->u_pcb.pcb_pfs = 0;

2
sys/ia64/include/cpu.h
View file

@ -52,7 +52,7 @@
#include <machine/frame.h>
#define cpu_getstack(p) ((p)->p_md.md_tf->tf_r[FRAME_SP])
#define cpu_getstack(p) ((p)->p_frame->tf_r[FRAME_SP])
/*
* Arguments to hardclock and gatherstats encapsulate the previous

1
sys/ia64/include/proc.h
View file

@ -39,7 +39,6 @@ struct mdproc {
u_long md_flags;
struct user *md_uservirt; /* virtual address of p_addr */
vm_offset_t md_bspstore; /* initial ar.bspstore */
struct trapframe *md_tf; /* trap/syscall registers */
};
#define MDP_FPUSED 0x0001 /* Process used the FPU */

6
sys/kern/subr_trap.c
View file

@ -277,7 +277,7 @@ trap(frame)
mtx_lock_spin(&sched_lock);
sticks = p->p_sticks;
mtx_unlock_spin(&sched_lock);
p->p_md.md_regs = &frame;
p->p_frame = &frame;
switch (type) {
case T_PRIVINFLT: /* privileged instruction fault */
@ -1095,7 +1095,7 @@ syscall(frame)
sticks = p->p_sticks;
mtx_unlock_spin(&sched_lock);
p->p_md.md_regs = &frame;
p->p_frame = &frame;
params = (caddr_t)frame.tf_esp + sizeof(int);
code = frame.tf_eax;
@ -1279,7 +1279,7 @@ ast(framep)
}
sticks = p->p_sticks;
p->p_md.md_regs = framep;
p->p_frame = framep;
astoff(p);
cnt.v_soft++;

26
sys/pc98/i386/machdep.c
View file

@ -480,7 +480,7 @@ osendsig(catcher, sig, mask, code)
p = curproc;
PROC_LOCK(p);
psp = p->p_sigacts;
regs = p->p_md.md_regs;
regs = p->p_frame;
oonstack = sigonstack(regs->tf_esp);
/* Allocate and validate space for the signal handler context. */
@ -630,7 +630,7 @@ sendsig(catcher, sig, mask, code)
osendsig(catcher, sig, mask, code);
return;
}
regs = p->p_md.md_regs;
regs = p->p_frame;
oonstack = sigonstack(regs->tf_esp);
/* Save user context. */
@ -777,7 +777,7 @@ osigreturn(p, uap)
struct osigcontext *scp;
int eflags;
regs = p->p_md.md_regs;
regs = p->p_frame;
scp = uap->sigcntxp;
if (!useracc((caddr_t)scp, sizeof(*scp), VM_PROT_READ))
return (EFAULT);
@ -902,7 +902,7 @@ sigreturn(p, uap)
if (!useracc((caddr_t)ucp, sizeof(*ucp), VM_PROT_READ))
return (EFAULT);
regs = p->p_md.md_regs;
regs = p->p_frame;
eflags = ucp->uc_mcontext.mc_eflags;
if (eflags & PSL_VM) {
struct trapframe_vm86 *tf = (struct trapframe_vm86 *)regs;
@ -1048,7 +1048,7 @@ setregs(p, entry, stack, ps_strings)
u_long stack;
u_long ps_strings;
{
struct trapframe *regs = p->p_md.md_regs;
struct trapframe *regs = p->p_frame;
struct pcb *pcb = &p->p_addr->u_pcb;
if (pcb->pcb_ldt)
@ -2098,7 +2098,7 @@ init386(first)
proc0.p_addr->u_pcb.pcb_flags = 0;
proc0.p_addr->u_pcb.pcb_cr3 = (int)IdlePTD;
proc0.p_addr->u_pcb.pcb_ext = 0;
proc0.p_md.md_regs = &proc0_tf;
proc0.p_frame = &proc0_tf;
}
#if defined(I586_CPU) && !defined(NO_F00F_HACK)
@ -2145,7 +2145,7 @@ ptrace_set_pc(p, addr)
struct proc *p;
unsigned long addr;
{
p->p_md.md_regs->tf_eip = addr;
p->p_frame->tf_eip = addr;
return (0);
}
@ -2153,7 +2153,7 @@ int
ptrace_single_step(p)
struct proc *p;
{
p->p_md.md_regs->tf_eflags |= PSL_T;
p->p_frame->tf_eflags |= PSL_T;
return (0);
}
@ -2169,7 +2169,7 @@ int ptrace_read_u_check(p, addr, len)
if ((vm_offset_t) (addr + len) <= sizeof(struct user))
return 0;
gap = (char *) p->p_md.md_regs - (char *) p->p_addr;
gap = (char *) p->p_frame - (char *) p->p_addr;
if ((vm_offset_t) addr < gap)
return EPERM;
@ -2192,9 +2192,9 @@ int ptrace_write_u(p, off, data)
* Privileged kernel state is scattered all over the user area.
* Only allow write access to parts of regs and to fpregs.
*/
min = (char *)p->p_md.md_regs - (char *)p->p_addr;
min = (char *)p->p_frame - (char *)p->p_addr;
if (off >= min && off <= min + sizeof(struct trapframe) - sizeof(int)) {
tp = p->p_md.md_regs;
tp = p->p_frame;
frame_copy = *tp;
*(int *)((char *)&frame_copy + (off - min)) = data;
if (!EFL_SECURE(frame_copy.tf_eflags, tp->tf_eflags) ||
@ -2219,7 +2219,7 @@ fill_regs(p, regs)
struct pcb *pcb;
struct trapframe *tp;
tp = p->p_md.md_regs;
tp = p->p_frame;
regs->r_fs = tp->tf_fs;
regs->r_es = tp->tf_es;
regs->r_ds = tp->tf_ds;
@ -2248,7 +2248,7 @@ set_regs(p, regs)
struct pcb *pcb;
struct trapframe *tp;
tp = p->p_md.md_regs;
tp = p->p_frame;
if (!EFL_SECURE(regs->r_eflags, tp->tf_eflags) ||
!CS_SECURE(regs->r_cs))
return (EINVAL);

26
sys/pc98/pc98/machdep.c
View file

@ -480,7 +480,7 @@ osendsig(catcher, sig, mask, code)
p = curproc;
PROC_LOCK(p);
psp = p->p_sigacts;
regs = p->p_md.md_regs;
regs = p->p_frame;
oonstack = sigonstack(regs->tf_esp);
/* Allocate and validate space for the signal handler context. */
@ -630,7 +630,7 @@ sendsig(catcher, sig, mask, code)
osendsig(catcher, sig, mask, code);
return;
}
regs = p->p_md.md_regs;
regs = p->p_frame;
oonstack = sigonstack(regs->tf_esp);
/* Save user context. */
@ -777,7 +777,7 @@ osigreturn(p, uap)
struct osigcontext *scp;
int eflags;
regs = p->p_md.md_regs;
regs = p->p_frame;
scp = uap->sigcntxp;
if (!useracc((caddr_t)scp, sizeof(*scp), VM_PROT_READ))
return (EFAULT);
@ -902,7 +902,7 @@ sigreturn(p, uap)
if (!useracc((caddr_t)ucp, sizeof(*ucp), VM_PROT_READ))
return (EFAULT);
regs = p->p_md.md_regs;
regs = p->p_frame;
eflags = ucp->uc_mcontext.mc_eflags;
if (eflags & PSL_VM) {
struct trapframe_vm86 *tf = (struct trapframe_vm86 *)regs;
@ -1048,7 +1048,7 @@ setregs(p, entry, stack, ps_strings)
u_long stack;
u_long ps_strings;
{
struct trapframe *regs = p->p_md.md_regs;
struct trapframe *regs = p->p_frame;
struct pcb *pcb = &p->p_addr->u_pcb;
if (pcb->pcb_ldt)
@ -2098,7 +2098,7 @@ init386(first)
proc0.p_addr->u_pcb.pcb_flags = 0;
proc0.p_addr->u_pcb.pcb_cr3 = (int)IdlePTD;
proc0.p_addr->u_pcb.pcb_ext = 0;
proc0.p_md.md_regs = &proc0_tf;
proc0.p_frame = &proc0_tf;
}
#if defined(I586_CPU) && !defined(NO_F00F_HACK)
@ -2145,7 +2145,7 @@ ptrace_set_pc(p, addr)
struct proc *p;
unsigned long addr;
{
p->p_md.md_regs->tf_eip = addr;
p->p_frame->tf_eip = addr;
return (0);
}
@ -2153,7 +2153,7 @@ int
ptrace_single_step(p)
struct proc *p;
{
p->p_md.md_regs->tf_eflags |= PSL_T;
p->p_frame->tf_eflags |= PSL_T;
return (0);
}
@ -2169,7 +2169,7 @@ int ptrace_read_u_check(p, addr, len)
if ((vm_offset_t) (addr + len) <= sizeof(struct user))
return 0;
gap = (char *) p->p_md.md_regs - (char *) p->p_addr;
gap = (char *) p->p_frame - (char *) p->p_addr;
if ((vm_offset_t) addr < gap)
return EPERM;
@ -2192,9 +2192,9 @@ int ptrace_write_u(p, off, data)
* Privileged kernel state is scattered all over the user area.
* Only allow write access to parts of regs and to fpregs.
*/
min = (char *)p->p_md.md_regs - (char *)p->p_addr;
min = (char *)p->p_frame - (char *)p->p_addr;
if (off >= min && off <= min + sizeof(struct trapframe) - sizeof(int)) {
tp = p->p_md.md_regs;
tp = p->p_frame;
frame_copy = *tp;
*(int *)((char *)&frame_copy + (off - min)) = data;
if (!EFL_SECURE(frame_copy.tf_eflags, tp->tf_eflags) ||
@ -2219,7 +2219,7 @@ fill_regs(p, regs)
struct pcb *pcb;
struct trapframe *tp;
tp = p->p_md.md_regs;
tp = p->p_frame;
regs->r_fs = tp->tf_fs;
regs->r_es = tp->tf_es;
regs->r_ds = tp->tf_ds;
@ -2248,7 +2248,7 @@ set_regs(p, regs)
struct pcb *pcb;
struct trapframe *tp;
tp = p->p_md.md_regs;
tp = p->p_frame;
if (!EFL_SECURE(regs->r_eflags, tp->tf_eflags) ||
!CS_SECURE(regs->r_cs))
return (EINVAL);

4
sys/pc98/pc98/syscons.c
View file

@ -1019,13 +1019,13 @@ scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
if (securelevel > 0)
return EPERM;
#ifdef __i386__
p->p_md.md_regs->tf_eflags |= PSL_IOPL;
p->p_frame->tf_eflags |= PSL_IOPL;
#endif
return 0;
case KDDISABIO: /* disallow io operations (default) */
#ifdef __i386__
p->p_md.md_regs->tf_eflags &= ~PSL_IOPL;
p->p_frame->tf_eflags &= ~PSL_IOPL;
#endif
return 0;

2
sys/powerpc/include/cpu.h
View file

@ -91,7 +91,7 @@ get_cyclecount(void)
return (time);
}
#define cpu_getstack(p) ((p)->p_md.md_regs[1])
#define cpu_getstack(p) ((p)->p_frame->fixreg[1])
void savectx __P((struct pcb *));

1
sys/powerpc/include/proc.h
View file

@ -38,5 +38,4 @@
* Machine-dependent part of the proc structure
*/
struct mdproc {
int md_regs[32];
};

5
sys/sys/proc.h
View file

@ -149,6 +149,7 @@ struct pargs {
*/
struct ithd;
struct nlminfo;
struct trapframe;
struct proc {
TAILQ_ENTRY(proc) p_procq; /* (j) Run/mutex queue. */
@ -275,6 +276,7 @@ struct proc {
struct proc *p_leader; /* (c) */
struct pasleep p_asleep; /* (k) Used by asleep()/await(). */
void *p_emuldata; /* (c) Emulator state data. */
struct trapframe *p_frame; /* (k) */
};
#define p_session p_pgrp->pg_session
@ -500,9 +502,6 @@ extern int lastpid;
#define INVERSE_ESTCPU_WEIGHT 8 /* 1 / (priorities per estcpu level). */
#define NICE_WEIGHT 1 /* Priorities per nice level. */
struct mtx;
struct trapframe;
struct proc *pfind __P((pid_t)); /* Find process by id. */
struct pgrp *pgfind __P((pid_t)); /* Find process group by id. */
struct proc *zpfind __P((pid_t)); /* Find zombie process by id. */