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Sync with sys/i386/i386/machdep.c revision up to 1.378.

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This commit is contained in:
Yoshihiro Takahashi 1999-11-25 12:43:07 +00:00
parent 4e83a8fef4
commit c347ed1c87
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=53687
2 changed files with 38 additions and 18 deletions
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26
sys/pc98/i386/machdep.c
View file

@ -127,7 +127,7 @@
#include <pc98/pc98/pc98_machdep.h>
#include <pc98/pc98/pc98.h>
#else
#include <i386/isa/rtc.h>
#include <isa/rtc.h>
#endif
#include <machine/vm86.h>
#include <machine/random.h>
@ -546,7 +546,7 @@ osendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
else {
/* Old FreeBSD-style arguments. */
sf.sf_arg2 = code;
sf.sf_addr = regs->tf_err;
sf.sf_addr = (register_t *)regs->tf_err;
sf.sf_ahu.sf_handler = catcher;
}
@ -699,7 +699,7 @@ sendsig(catcher, sig, mask, code)
else {
/* Old FreeBSD-style arguments. */
sf.sf_siginfo = code;
sf.sf_addr = regs->tf_err;
sf.sf_addr = (register_t *)regs->tf_err;
sf.sf_ahu.sf_handler = catcher;
}
@ -886,16 +886,26 @@ sigreturn(p, uap)
ucontext_t *ucp;
int cs, eflags;
if (((struct osigcontext *)uap->sigcntxp)->sc_trapno == 0x01d516)
return osigreturn(p, (struct osigreturn_args *)uap);
regs = p->p_md.md_regs;
ucp = uap->sigcntxp;
eflags = ucp->uc_mcontext.mc_eflags;
if (!useracc((caddr_t)ucp, sizeof(struct osigcontext), VM_PROT_READ))
return (EFAULT);
if (((struct osigcontext *)ucp)->sc_trapno == 0x01d516)
return (osigreturn(p, (struct osigreturn_args *)uap));
/*
* Since ucp is not an osigcontext but a ucontext_t, we have to
* check again if all of it is accessible. A ucontext_t is
* much larger, so instead of just checking for the pointer
* being valid for the size of an osigcontext, now check for
* it being valid for a whole, new-style ucontext_t.
*/
if (!useracc((caddr_t)ucp, sizeof(ucontext_t), VM_PROT_READ))
return (EFAULT);
regs = p->p_md.md_regs;
eflags = ucp->uc_mcontext.mc_eflags;
if (eflags & PSL_VM) {
struct trapframe_vm86 *tf = (struct trapframe_vm86 *)regs;
struct vm86_kernel *vm86;

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

@ -127,7 +127,7 @@
#include <pc98/pc98/pc98_machdep.h>
#include <pc98/pc98/pc98.h>
#else
#include <i386/isa/rtc.h>
#include <isa/rtc.h>
#endif
#include <machine/vm86.h>
#include <machine/random.h>
@ -546,7 +546,7 @@ osendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
else {
/* Old FreeBSD-style arguments. */
sf.sf_arg2 = code;
sf.sf_addr = regs->tf_err;
sf.sf_addr = (register_t *)regs->tf_err;
sf.sf_ahu.sf_handler = catcher;
}
@ -699,7 +699,7 @@ sendsig(catcher, sig, mask, code)
else {
/* Old FreeBSD-style arguments. */
sf.sf_siginfo = code;
sf.sf_addr = regs->tf_err;
sf.sf_addr = (register_t *)regs->tf_err;
sf.sf_ahu.sf_handler = catcher;
}
@ -886,16 +886,26 @@ sigreturn(p, uap)
ucontext_t *ucp;
int cs, eflags;
if (((struct osigcontext *)uap->sigcntxp)->sc_trapno == 0x01d516)
return osigreturn(p, (struct osigreturn_args *)uap);
regs = p->p_md.md_regs;
ucp = uap->sigcntxp;
eflags = ucp->uc_mcontext.mc_eflags;
if (!useracc((caddr_t)ucp, sizeof(struct osigcontext), VM_PROT_READ))
return (EFAULT);
if (((struct osigcontext *)ucp)->sc_trapno == 0x01d516)
return (osigreturn(p, (struct osigreturn_args *)uap));
/*
* Since ucp is not an osigcontext but a ucontext_t, we have to
* check again if all of it is accessible. A ucontext_t is
* much larger, so instead of just checking for the pointer
* being valid for the size of an osigcontext, now check for
* it being valid for a whole, new-style ucontext_t.
*/
if (!useracc((caddr_t)ucp, sizeof(ucontext_t), VM_PROT_READ))
return (EFAULT);
regs = p->p_md.md_regs;
eflags = ucp->uc_mcontext.mc_eflags;
if (eflags & PSL_VM) {
struct trapframe_vm86 *tf = (struct trapframe_vm86 *)regs;
struct vm86_kernel *vm86;