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Diffstat (limited to 'arch')
-rw-r--r--arch/x32/syscall_arch.h102
1 files changed, 49 insertions, 53 deletions
diff --git a/arch/x32/syscall_arch.h b/arch/x32/syscall_arch.h
index 39a0325b..af67fe3f 100644
--- a/arch/x32/syscall_arch.h
+++ b/arch/x32/syscall_arch.h
@@ -6,6 +6,27 @@ typedef long long syscall_arg_t;
struct __timespec { long long tv_sec; long tv_nsec; };
struct __timespec_kernel { long long tv_sec; long long tv_nsec; };
#define __tsc(X) ((struct __timespec*)(unsigned long)(X))
+#define __fixup(X) do { if(X) X = (unsigned long) (&(struct __timespec_kernel) \
+ { .tv_sec = __tsc(X)->tv_sec, .tv_nsec = __tsc(X)->tv_nsec}); } while(0)
+#define __fixup_case_2 \
+ case SYS_nanosleep: \
+ __fixup(a1); break; \
+ case SYS_clock_settime: \
+ __fixup(a2); break;
+#define __fixup_case_3 \
+ case SYS_clock_nanosleep: case SYS_rt_sigtimedwait: case SYS_ppoll: \
+ __fixup(a3); break; \
+ case SYS_utimensat: \
+ if(a3) a3 = (unsigned long) ((struct __timespec_kernel[2]) { \
+ [0] = {.tv_sec = __tsc(a3)[0].tv_sec, .tv_nsec = __tsc(a3)[0].tv_nsec}, \
+ [1] = {.tv_sec = __tsc(a3)[1].tv_sec, .tv_nsec = __tsc(a3)[1].tv_nsec}, \
+ }); break;
+#define __fixup_case_4 \
+ case SYS_futex: \
+ if((a2 & (~128 /* FUTEX_PRIVATE_FLAG */)) == 0 /* FUTEX_WAIT */) __fixup(a4); break;
+#define __fixup_case_5 \
+ case SYS_mq_timedsend: case SYS_mq_timedreceive: case SYS_pselect6: \
+ __fixup(a5); break;
static __inline long __syscall0(long long n)
{
@@ -26,13 +47,7 @@ static __inline long __syscall2(long long n, long long a1, long long a2)
unsigned long ret;
struct __timespec *ts2 = 0;
switch (n) {
- case SYS_nanosleep:
- if(a1) a1 = (unsigned long) (&(struct __timespec_kernel) {
- .tv_sec = __tsc(a1)->tv_sec, .tv_nsec = __tsc(a1)->tv_nsec});
- break;
- case SYS_clock_settime:
- if(a2) a2 = (unsigned long) (&(struct __timespec_kernel) {
- .tv_sec = __tsc(a2)->tv_sec, .tv_nsec = __tsc(a2)->tv_nsec});
+ __fixup_case_2;
}
__asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2)
: "rcx", "r11", "memory");
@@ -42,80 +57,61 @@ static __inline long __syscall2(long long n, long long a1, long long a2)
static __inline long __syscall3(long long n, long long a1, long long a2, long long a3)
{
unsigned long ret;
+ switch (n) {
+ __fixup_case_2;
+ __fixup_case_3;
+ }
__asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
"d"(a3) : "rcx", "r11", "memory");
return ret;
}
static __inline long __syscall4(long long n, long long a1, long long a2, long long a3,
- long long a4)
+ long long a4_)
{
unsigned long ret;
- register long long r10 __asm__("r10") = a4;
+ register long long a4 __asm__("r10") = a4_;
switch (n) {
- case SYS_futex:
- if((a2 & (~128 /* FUTEX_PRIVATE_FLAG */)) == 0 /* FUTEX_WAIT */) {
- if(r10) r10 = (unsigned long) (&(struct __timespec_kernel) {
- .tv_sec = __tsc(r10)->tv_sec, .tv_nsec = __tsc(r10)->tv_nsec});
- }
- break;
- case SYS_utimensat:
- if(a3) a3 = (unsigned long) ((struct __timespec_kernel[2]) {
- [0] = {.tv_sec = __tsc(a3)[0].tv_sec, .tv_nsec = __tsc(a3)[0].tv_nsec},
- [1] = {.tv_sec = __tsc(a3)[1].tv_sec, .tv_nsec = __tsc(a3)[1].tv_nsec},
- });
- break;
- case SYS_clock_nanosleep:
- case SYS_rt_sigtimedwait: case SYS_ppoll:
- if(a3) a3 = (unsigned long) (&(struct __timespec_kernel) {
- .tv_sec = __tsc(a3)->tv_sec, .tv_nsec = __tsc(a3)->tv_nsec});
+ __fixup_case_2;
+ __fixup_case_3;
+ __fixup_case_4;
}
__asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
- "d"(a3), "r"(r10): "rcx", "r11", "memory");
+ "d"(a3), "r"(a4): "rcx", "r11", "memory");
return ret;
}
static __inline long __syscall5(long long n, long long a1, long long a2, long long a3,
- long long a4, long long a5)
+ long long a4_, long long a5_)
{
unsigned long ret;
- register long long r10 __asm__("r10") = a4;
- register long long r8 __asm__("r8") = a5;
+ register long long a4 __asm__("r10") = a4_;
+ register long long a5 __asm__("r8") = a5_;
switch (n) {
- case SYS_futex:
- if((a2 & (~128 /* FUTEX_PRIVATE_FLAG */)) == 0 /* FUTEX_WAIT */) {
- if(r10) r10 = (unsigned long) (&(struct __timespec_kernel) {
- .tv_sec = __tsc(r10)->tv_sec, .tv_nsec = __tsc(r10)->tv_nsec});
- }
- break;
- case SYS_mq_timedsend: case SYS_mq_timedreceive:
- if(r8) r8 = (unsigned long) (&(struct __timespec_kernel) {
- .tv_sec = __tsc(r8)->tv_sec, .tv_nsec = __tsc(r8)->tv_nsec});
+ __fixup_case_2;
+ __fixup_case_3;
+ __fixup_case_4;
+ __fixup_case_5;
}
__asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
- "d"(a3), "r"(r10), "r"(r8) : "rcx", "r11", "memory");
+ "d"(a3), "r"(a4), "r"(a5) : "rcx", "r11", "memory");
return ret;
}
static __inline long __syscall6(long long n, long long a1, long long a2, long long a3,
- long long a4, long long a5, long long a6)
+ long long a4_, long long a5_, long long a6_)
{
unsigned long ret;
- register long long r10 __asm__("r10") = a4;
- register long long r8 __asm__("r8") = a5;
- register long long r9 __asm__("r9") = a6;
+ register long long a4 __asm__("r10") = a4_;
+ register long long a5 __asm__("r8") = a5_;
+ register long long a6 __asm__("r9") = a6_;
switch (n) {
- case SYS_futex:
- if((a2 & (~128 /* FUTEX_PRIVATE_FLAG */)) == 0 /* FUTEX_WAIT */) {
- if(r10) r10 = (unsigned long) (&(struct __timespec_kernel) {
- .tv_sec = __tsc(r10)->tv_sec, .tv_nsec = __tsc(r10)->tv_nsec});
- }
- break;
- case SYS_pselect6:
- if(r8) r8 = (unsigned long) (&(struct __timespec_kernel) {
- .tv_sec = __tsc(r8)->tv_sec, .tv_nsec = __tsc(r8)->tv_nsec});
+ __fixup_case_2;
+ __fixup_case_3;
+ __fixup_case_4;
+ __fixup_case_5;
}
__asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
- "d"(a3), "r"(r10), "r"(r8), "r"(r9) : "rcx", "r11", "memory");
+ "d"(a3), "r"(a4), "r"(a5), "r"(a6) : "rcx", "r11", "memory");
return ret;
}
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