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Diffstat (limited to 'arch/um/sys-i386/signal.c')
-rw-r--r--arch/um/sys-i386/signal.c68
1 files changed, 33 insertions, 35 deletions
diff --git a/arch/um/sys-i386/signal.c b/arch/um/sys-i386/signal.c
index 0147227..fd0c25a 100644
--- a/arch/um/sys-i386/signal.c
+++ b/arch/um/sys-i386/signal.c
@@ -3,10 +3,10 @@
* Licensed under the GPL
*/
-#include "linux/ptrace.h"
-#include "asm/unistd.h"
-#include "asm/uaccess.h"
-#include "asm/ucontext.h"
+#include <linux/ptrace.h>
+#include <asm/unistd.h>
+#include <asm/uaccess.h>
+#include <asm/ucontext.h>
#include "frame_kern.h"
#include "skas.h"
@@ -18,17 +18,17 @@ void copy_sc(struct uml_pt_regs *regs, void *from)
REGS_FS(regs->gp) = sc->fs;
REGS_ES(regs->gp) = sc->es;
REGS_DS(regs->gp) = sc->ds;
- REGS_EDI(regs->gp) = sc->edi;
- REGS_ESI(regs->gp) = sc->esi;
- REGS_EBP(regs->gp) = sc->ebp;
- REGS_SP(regs->gp) = sc->esp;
- REGS_EBX(regs->gp) = sc->ebx;
- REGS_EDX(regs->gp) = sc->edx;
- REGS_ECX(regs->gp) = sc->ecx;
- REGS_EAX(regs->gp) = sc->eax;
- REGS_IP(regs->gp) = sc->eip;
+ REGS_EDI(regs->gp) = sc->di;
+ REGS_ESI(regs->gp) = sc->si;
+ REGS_EBP(regs->gp) = sc->bp;
+ REGS_SP(regs->gp) = sc->sp;
+ REGS_EBX(regs->gp) = sc->bx;
+ REGS_EDX(regs->gp) = sc->dx;
+ REGS_ECX(regs->gp) = sc->cx;
+ REGS_EAX(regs->gp) = sc->ax;
+ REGS_IP(regs->gp) = sc->ip;
REGS_CS(regs->gp) = sc->cs;
- REGS_EFLAGS(regs->gp) = sc->eflags;
+ REGS_EFLAGS(regs->gp) = sc->flags;
REGS_SS(regs->gp) = sc->ss;
}
@@ -168,12 +168,13 @@ static int copy_sc_from_user(struct pt_regs *regs,
struct sigcontext __user *from)
{
struct sigcontext sc;
- int err;
+ int err, pid;
err = copy_from_user(&sc, from, sizeof(sc));
if (err)
return err;
+ pid = userspace_pid[current_thread_info()->cpu];
copy_sc(&regs->regs, &sc);
if (have_fpx_regs) {
struct user_fxsr_struct fpx;
@@ -187,8 +188,7 @@ static int copy_sc_from_user(struct pt_regs *regs,
if (err)
return 1;
- err = restore_fpx_registers(userspace_pid[current_thread->cpu],
- (unsigned long *) &fpx);
+ err = restore_fpx_registers(pid, (unsigned long *) &fpx);
if (err < 0) {
printk(KERN_ERR "copy_sc_from_user - "
"restore_fpx_registers failed, errno = %d\n",
@@ -204,8 +204,7 @@ static int copy_sc_from_user(struct pt_regs *regs,
if (err)
return 1;
- err = restore_fp_registers(userspace_pid[current_thread->cpu],
- (unsigned long *) &fp);
+ err = restore_fp_registers(pid, (unsigned long *) &fp);
if (err < 0) {
printk(KERN_ERR "copy_sc_from_user - "
"restore_fp_registers failed, errno = %d\n",
@@ -223,24 +222,24 @@ static int copy_sc_to_user(struct sigcontext __user *to,
{
struct sigcontext sc;
struct faultinfo * fi = &current->thread.arch.faultinfo;
- int err;
+ int err, pid;
sc.gs = REGS_GS(regs->regs.gp);
sc.fs = REGS_FS(regs->regs.gp);
sc.es = REGS_ES(regs->regs.gp);
sc.ds = REGS_DS(regs->regs.gp);
- sc.edi = REGS_EDI(regs->regs.gp);
- sc.esi = REGS_ESI(regs->regs.gp);
- sc.ebp = REGS_EBP(regs->regs.gp);
- sc.esp = sp;
- sc.ebx = REGS_EBX(regs->regs.gp);
- sc.edx = REGS_EDX(regs->regs.gp);
- sc.ecx = REGS_ECX(regs->regs.gp);
- sc.eax = REGS_EAX(regs->regs.gp);
- sc.eip = REGS_IP(regs->regs.gp);
+ sc.di = REGS_EDI(regs->regs.gp);
+ sc.si = REGS_ESI(regs->regs.gp);
+ sc.bp = REGS_EBP(regs->regs.gp);
+ sc.sp = sp;
+ sc.bx = REGS_EBX(regs->regs.gp);
+ sc.dx = REGS_EDX(regs->regs.gp);
+ sc.cx = REGS_ECX(regs->regs.gp);
+ sc.ax = REGS_EAX(regs->regs.gp);
+ sc.ip = REGS_IP(regs->regs.gp);
sc.cs = REGS_CS(regs->regs.gp);
- sc.eflags = REGS_EFLAGS(regs->regs.gp);
- sc.esp_at_signal = regs->regs.gp[UESP];
+ sc.flags = REGS_EFLAGS(regs->regs.gp);
+ sc.sp_at_signal = regs->regs.gp[UESP];
sc.ss = regs->regs.gp[SS];
sc.cr2 = fi->cr2;
sc.err = fi->error_code;
@@ -249,11 +248,11 @@ static int copy_sc_to_user(struct sigcontext __user *to,
to_fp = (to_fp ? to_fp : (struct _fpstate __user *) (to + 1));
sc.fpstate = to_fp;
+ pid = userspace_pid[current_thread_info()->cpu];
if (have_fpx_regs) {
struct user_fxsr_struct fpx;
- err = save_fpx_registers(userspace_pid[current_thread->cpu],
- (unsigned long *) &fpx);
+ err = save_fpx_registers(pid, (unsigned long *) &fpx);
if (err < 0){
printk(KERN_ERR "copy_sc_to_user - save_fpx_registers "
"failed, errno = %d\n", err);
@@ -276,8 +275,7 @@ static int copy_sc_to_user(struct sigcontext __user *to,
else {
struct user_i387_struct fp;
- err = save_fp_registers(userspace_pid[current_thread->cpu],
- (unsigned long *) &fp);
+ err = save_fp_registers(pid, (unsigned long *) &fp);
if (copy_to_user(to_fp, &fp, sizeof(struct user_i387_struct)))
return 1;
}
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