nt32: initial commit of core port files.

signed-off by Z. Gilboa; see copying.midipix (9cd0746c) for additional information.

7 files changed, 114 insertions, 0 deletions

diff --git a/crt/nt32/Scrt1.c b/crt/nt32/Scrt1.c
new file mode 100644
index 0000000..ff5789f
--- /dev/null
+++ b/crt/nt32/Scrt1.c
@@ -0,0 +1,2 @@
+#define  LIBC_STATIC
+#include "crt1.c"
diff --git a/crt/nt32/crt1.c b/crt/nt32/crt1.c
new file mode 100644
index 0000000..6d22669
--- /dev/null
+++ b/crt/nt32/crt1.c
@@ -0,0 +1,33 @@
+#ifdef LIBC_STATIC
+#define __external_routine
+#else
+#define __external_routine __attribute__((dllimport))
+#endif
+
+#include "psxglue.h"
+
+/**
+ * options: posix session, fallback terminal emulator
+ * x86_64-nt64-midipix-gcc --target-help | grep -A2 posix
+**/
+
+static const int __disabled = 0;
+extern const int __crtopt_posix  __attribute((weak,alias("__disabled")));
+extern const int __crtopt_ttydbg __attribute((weak,alias("__disabled")));
+
+int main();
+
+__external_routine
+__psx_init_routine __psx_init;
+
+__external_routine
+void __libc_entry_routine(void *,void *,int);
+
+void _start(void)
+{
+	__libc_entry_routine(
+		main,
+		__psx_init,
+		__crtopt_posix | __crtopt_ttydbg);
+}
+
diff --git a/crt/nt32/crtdev.c b/crt/nt32/crtdev.c
new file mode 100644
index 0000000..8aa80e6
--- /dev/null
+++ b/crt/nt32/crtdev.c
@@ -0,0 +1,3 @@
+#include "psxglue.h"
+
+const int __crtopt_ttydbg = __PSXOPT_TTYDBG;
diff --git a/crt/nt32/crte.s b/crt/nt32/crte.s
new file mode 100644
index 0000000..56fa138
--- /dev/null
+++ b/crt/nt32/crte.s
@@ -0,0 +1,19 @@
+.text
+.globl __so_entry_point
+__so_entry_point:
+	cmp	$0x1,%edx
+	jne	_dso_main_routine
+	mov	%edx,%eax
+	ret
+
+___dso_main_routine:
+	ret
+
+	.weak	_dso_main_routine
+	.set	_dso_main_routine,___dso_main_routine
+
+.section .midipix
+	.long	_dso_main_routine
+	.long	__so_entry_point
+	.long	__init
+	.long	__fini
diff --git a/crt/nt32/crti.s b/crt/nt32/crti.s
new file mode 100644
index 0000000..7b1a642
--- /dev/null
+++ b/crt/nt32/crti.s
@@ -0,0 +1,41 @@
+.text
+.globl __pei386_runtime_relocator
+__pei386_runtime_relocator:
+	ret
+
+.globl __init
+__init:
+	call .init
+	ret
+
+.globl __fini
+__fini:
+	call .fini
+	ret
+
+.section .init
+	xor %eax,%eax
+	push %eax
+	push %ecx
+	push %edx
+	nop
+	nop
+
+.section .fini
+	xor %eax,%eax
+	push %eax
+	push %ecx
+	push %edx
+	nop
+	nop
+
+.section .midipix
+	.ascii "e35ed272"
+	.ascii "9e55"
+	.ascii "46c1"
+	.ascii "8251"
+	.ascii "022a59e6c480"
+	.long  0
+	.long  1
+	.long  0
+	.long  0
diff --git a/crt/nt32/crtn.s b/crt/nt32/crtn.s
new file mode 100644
index 0000000..2d0295e
--- /dev/null
+++ b/crt/nt32/crtn.s
@@ -0,0 +1,13 @@
+.section .init
+	pop %edx
+	pop %ecx
+	pop %ebx
+	or  %ebx,%eax
+	ret
+
+.section .fini
+	pop %edx
+	pop %ecx
+	pop %ebx
+	or  %ebx,%eax
+	ret
diff --git a/crt/nt32/crtposix.c b/crt/nt32/crtposix.c
new file mode 100644
index 0000000..b8e5113
--- /dev/null
+++ b/crt/nt32/crtposix.c
@@ -0,0 +1,3 @@
+#include "psxglue.h"
+
+const int __crtopt_posix = __PSXOPT_POSIX;