From 296178913c5dfbc2b35842fc16ed680ef51fd402 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sun, 5 Apr 2015 17:05:57 -0400
Subject: nt32: initial commit of core port files.

signed-off by Z. Gilboa; see copying.midipix (9cd0746c) for additional information.
---
 src/thread/nt32/__set_thread_area.c | 13 +++++++++
 src/thread/nt32/__tls_get_addr.c    |  2 ++
 src/thread/nt32/clone.c             | 54 +++++++++++++++++++++++++++++++++++++
 src/thread/nt32/pthread_detach.c    |  6 +++++
 src/thread/nt32/pthread_equal.c     |  6 +++++
 src/thread/nt32/pthread_self.c      | 10 +++++++
 src/thread/nt32/syscall_cp.s        | 15 +++++++++++
 7 files changed, 106 insertions(+)
 create mode 100644 src/thread/nt32/__set_thread_area.c
 create mode 100644 src/thread/nt32/__tls_get_addr.c
 create mode 100644 src/thread/nt32/clone.c
 create mode 100644 src/thread/nt32/pthread_detach.c
 create mode 100644 src/thread/nt32/pthread_equal.c
 create mode 100644 src/thread/nt32/pthread_self.c
 create mode 100644 src/thread/nt32/syscall_cp.s

(limited to 'src/thread')

diff --git a/src/thread/nt32/__set_thread_area.c b/src/thread/nt32/__set_thread_area.c
new file mode 100644
index 0000000..c50f6c6
--- /dev/null
+++ b/src/thread/nt32/__set_thread_area.c
@@ -0,0 +1,13 @@
+#include <errno.h>
+#include "pthread_impl.h"
+
+int __set_thread_area(void * p)
+{
+	struct pthread ** ptlca;
+
+	ptlca = __psx_tlca();
+	if (!ptlca) return -ESRCH;
+
+	*ptlca = p;
+	return 0;
+}
diff --git a/src/thread/nt32/__tls_get_addr.c b/src/thread/nt32/__tls_get_addr.c
new file mode 100644
index 0000000..ad8d845
--- /dev/null
+++ b/src/thread/nt32/__tls_get_addr.c
@@ -0,0 +1,2 @@
+/* using a custom, register-based __emutls_get_address */
+typedef int dummy;
diff --git a/src/thread/nt32/clone.c b/src/thread/nt32/clone.c
new file mode 100644
index 0000000..fb53501
--- /dev/null
+++ b/src/thread/nt32/clone.c
@@ -0,0 +1,54 @@
+#include <syscall.h>
+
+struct pt_regs {
+	unsigned long	ebp;
+	unsigned long	ebx;
+	unsigned long	eax;
+	unsigned long	ecx;
+	unsigned long	edx;
+	unsigned long	esi;
+	unsigned long	edi;
+	unsigned long	orig_eax;
+	unsigned long	eip;
+	unsigned long	cs;
+	unsigned long	eflags;
+	unsigned long	esp;
+	unsigned long	ss;
+};
+
+typedef long __sys_clone(
+	unsigned long	flags,
+	void *		child_stack,
+	void *		ptid,
+	void *		ctid,
+	struct pt_regs *regs);
+
+typedef int __entry_point(void *);
+
+extern unsigned long ** __syscall_vtbl;
+
+int __clone(
+	__entry_point *	fn,
+	void *		child_stack,
+	int		flags,
+	void *		arg,
+	int *		ptid,
+	void *		pthread_self_addr,
+	int *		ctid)
+{
+	struct pt_regs	regs;
+	__sys_clone *	pfn_clone;
+
+	regs.eip = (unsigned long)fn;
+	regs.ecx = (unsigned long)arg;
+	regs.edx = (unsigned long)pthread_self_addr;
+
+	pfn_clone = (__sys_clone *)(__syscall_vtbl[SYS_clone]);
+
+	return (int)pfn_clone(
+		flags,
+		child_stack,
+		ptid,
+		ctid,
+		&regs);
+}
diff --git a/src/thread/nt32/pthread_detach.c b/src/thread/nt32/pthread_detach.c
new file mode 100644
index 0000000..85db4cb
--- /dev/null
+++ b/src/thread/nt32/pthread_detach.c
@@ -0,0 +1,6 @@
+#include "../pthread_detach.c"
+
+int __pthread_detach_impl(pthread_t t)
+{
+	return thrd_detach(t);
+}
diff --git a/src/thread/nt32/pthread_equal.c b/src/thread/nt32/pthread_equal.c
new file mode 100644
index 0000000..a8fcd79
--- /dev/null
+++ b/src/thread/nt32/pthread_equal.c
@@ -0,0 +1,6 @@
+#include "../pthread_equal.c"
+
+int __pthread_equal_impl(pthread_t a, pthread_t b)
+{
+	return thrd_equal(a,b);
+}
diff --git a/src/thread/nt32/pthread_self.c b/src/thread/nt32/pthread_self.c
new file mode 100644
index 0000000..23fbc53
--- /dev/null
+++ b/src/thread/nt32/pthread_self.c
@@ -0,0 +1,10 @@
+#include "pthread_impl.h"
+#include <threads.h>
+#include "libc.h"
+
+pthread_t pthread_self()
+{
+	return __pthread_self();
+}
+
+weak_alias(pthread_self, thrd_current);
diff --git a/src/thread/nt32/syscall_cp.s b/src/thread/nt32/syscall_cp.s
new file mode 100644
index 0000000..c52731f
--- /dev/null
+++ b/src/thread/nt32/syscall_cp.s
@@ -0,0 +1,15 @@
+.text
+.globl	___syscall_cp_asm
+.globl	___cp_begin
+.globl	___cp_end
+
+___syscall_cp_asm:
+___cp_begin:
+	mov 	(%ecx),	%ecx	/* check content of ptr */
+	test	%ecx,	%ecx
+	jnz	___cancel	/* thread is pending cancellation */
+
+	jmp	___syscall
+
+___cp_end:
+	ret
-- 
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