about summary refs log tree commit diff
path: root/src/internal
diff options
context:
space:
mode:
Diffstat (limited to 'src/internal')
-rw-r--r--src/internal/i386/syscall.s21
-rw-r--r--src/internal/syscall.c11
-rw-r--r--src/internal/syscall_ret.c11
-rw-r--r--src/internal/x86_64/syscall.s14
4 files changed, 46 insertions, 11 deletions
diff --git a/src/internal/i386/syscall.s b/src/internal/i386/syscall.s
new file mode 100644
index 00000000..5b19a1b8
--- /dev/null
+++ b/src/internal/i386/syscall.s
@@ -0,0 +1,21 @@
+.global __syscall
+.type __syscall,%function
+__syscall:
+	pushl %ebx
+	pushl %esi
+	pushl %edi
+	pushl %ebp
+	movl 20(%esp),%eax
+	movl 24(%esp),%ebx
+	movl 28(%esp),%ecx
+	movl 32(%esp),%edx
+	movl 36(%esp),%esi
+	movl 40(%esp),%edi
+	movl 44(%esp),%ebp
+	int $128
+	popl %ebp
+	popl %edi
+	popl %esi
+	popl %ebx
+	ret
+.size __syscall,.-__syscall
diff --git a/src/internal/syscall.c b/src/internal/syscall.c
index 4f159e0b..e69de29b 100644
--- a/src/internal/syscall.c
+++ b/src/internal/syscall.c
@@ -1,11 +0,0 @@
-#include <errno.h>
-#include <unistd.h>
-
-long __syscall_ret(unsigned long r)
-{
-	if (r >= (unsigned long)-1 - 4096) {
-		errno = -(long)r;
-		return -1;
-	}
-	return (long)r;
-}
diff --git a/src/internal/syscall_ret.c b/src/internal/syscall_ret.c
new file mode 100644
index 00000000..4f159e0b
--- /dev/null
+++ b/src/internal/syscall_ret.c
@@ -0,0 +1,11 @@
+#include <errno.h>
+#include <unistd.h>
+
+long __syscall_ret(unsigned long r)
+{
+	if (r >= (unsigned long)-1 - 4096) {
+		errno = -(long)r;
+		return -1;
+	}
+	return (long)r;
+}
diff --git a/src/internal/x86_64/syscall.s b/src/internal/x86_64/syscall.s
new file mode 100644
index 00000000..7bec7291
--- /dev/null
+++ b/src/internal/x86_64/syscall.s
@@ -0,0 +1,14 @@
+.global __syscall
+.type __syscall,%function
+__syscall:
+di,si,dx,cx,r8,r9
+	movq %rdi,%rax
+	movq %rsi,%rdi
+	movq %rdx,%rsi
+	movq %rcx,%rdx
+	movq %r8,%r10
+	movq %r9,%r8
+	movq 8(%rsp),%r9
+	syscall
+	ret
+.size __syscall,.-__syscall