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Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r--arch/x86/include/asm/syscall.h106
1 files changed, 54 insertions, 52 deletions
diff --git a/arch/x86/include/asm/syscall.h b/arch/x86/include/asm/syscall.h
index 1d88f6957d3..d82f39bb790 100644
--- a/arch/x86/include/asm/syscall.h
+++ b/arch/x86/include/asm/syscall.h
@@ -93,26 +93,26 @@ static inline void syscall_get_arguments(struct task_struct *task,
{
# ifdef CONFIG_IA32_EMULATION
if (task_thread_info(task)->status & TS_COMPAT)
- switch (i + n) {
- case 6:
+ switch (i) {
+ case 0:
if (!n--) break;
- *args++ = regs->bp;
- case 5:
+ *args++ = regs->bx;
+ case 1:
if (!n--) break;
- *args++ = regs->di;
- case 4:
+ *args++ = regs->cx;
+ case 2:
if (!n--) break;
- *args++ = regs->si;
+ *args++ = regs->dx;
case 3:
if (!n--) break;
- *args++ = regs->dx;
- case 2:
+ *args++ = regs->si;
+ case 4:
if (!n--) break;
- *args++ = regs->cx;
- case 1:
+ *args++ = regs->di;
+ case 5:
if (!n--) break;
- *args++ = regs->bx;
- case 0:
+ *args++ = regs->bp;
+ case 6:
if (!n--) break;
default:
BUG();
@@ -120,26 +120,26 @@ static inline void syscall_get_arguments(struct task_struct *task,
}
else
# endif
- switch (i + n) {
- case 6:
+ switch (i) {
+ case 0:
if (!n--) break;
- *args++ = regs->r9;
- case 5:
+ *args++ = regs->di;
+ case 1:
if (!n--) break;
- *args++ = regs->r8;
- case 4:
+ *args++ = regs->si;
+ case 2:
if (!n--) break;
- *args++ = regs->r10;
+ *args++ = regs->dx;
case 3:
if (!n--) break;
- *args++ = regs->dx;
- case 2:
+ *args++ = regs->r10;
+ case 4:
if (!n--) break;
- *args++ = regs->si;
- case 1:
+ *args++ = regs->r8;
+ case 5:
if (!n--) break;
- *args++ = regs->di;
- case 0:
+ *args++ = regs->r9;
+ case 6:
if (!n--) break;
default:
BUG();
@@ -154,55 +154,57 @@ static inline void syscall_set_arguments(struct task_struct *task,
{
# ifdef CONFIG_IA32_EMULATION
if (task_thread_info(task)->status & TS_COMPAT)
- switch (i + n) {
- case 6:
+ switch (i) {
+ case 0:
if (!n--) break;
- regs->bp = *args++;
- case 5:
+ regs->bx = *args++;
+ case 1:
if (!n--) break;
- regs->di = *args++;
- case 4:
+ regs->cx = *args++;
+ case 2:
if (!n--) break;
- regs->si = *args++;
+ regs->dx = *args++;
case 3:
if (!n--) break;
- regs->dx = *args++;
- case 2:
+ regs->si = *args++;
+ case 4:
if (!n--) break;
- regs->cx = *args++;
- case 1:
+ regs->di = *args++;
+ case 5:
if (!n--) break;
- regs->bx = *args++;
- case 0:
+ regs->bp = *args++;
+ case 6:
if (!n--) break;
default:
BUG();
+ break;
}
else
# endif
- switch (i + n) {
- case 6:
+ switch (i) {
+ case 0:
if (!n--) break;
- regs->r9 = *args++;
- case 5:
+ regs->di = *args++;
+ case 1:
if (!n--) break;
- regs->r8 = *args++;
- case 4:
+ regs->si = *args++;
+ case 2:
if (!n--) break;
- regs->r10 = *args++;
+ regs->dx = *args++;
case 3:
if (!n--) break;
- regs->dx = *args++;
- case 2:
+ regs->r10 = *args++;
+ case 4:
if (!n--) break;
- regs->si = *args++;
- case 1:
+ regs->r8 = *args++;
+ case 5:
if (!n--) break;
- regs->di = *args++;
- case 0:
+ regs->r9 = *args++;
+ case 6:
if (!n--) break;
default:
BUG();
+ break;
}
}