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/nt64/Scrt1.c b/crt/nt64/Scrt1.c
new file mode 100644
index 0000000..ff5789f
--- /dev/null
+++ b/crt/nt64/Scrt1.c
@@ -0,0 +1,2 @@
+#define  LIBC_STATIC
+#include "crt1.c"
diff --git a/crt/nt64/crt1.c b/crt/nt64/crt1.c
new file mode 100644
index 0000000..6d22669
--- /dev/null
+++ b/crt/nt64/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/nt64/crtdev.c b/crt/nt64/crtdev.c
new file mode 100644
index 0000000..8aa80e6
--- /dev/null
+++ b/crt/nt64/crtdev.c
@@ -0,0 +1,3 @@
+#include "psxglue.h"
+
+const int __crtopt_ttydbg = __PSXOPT_TTYDBG;
diff --git a/crt/nt64/crte.s b/crt/nt64/crte.s
new file mode 100644
index 0000000..9753213
--- /dev/null
+++ b/crt/nt64/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
+	.quad	dso_main_routine
+	.quad	_so_entry_point
+	.quad	_init
+	.quad	_fini
diff --git a/crt/nt64/crti.s b/crt/nt64/crti.s
new file mode 100644
index 0000000..14fdd90
--- /dev/null
+++ b/crt/nt64/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 %rax,%rax
+	push %rax
+	push %rcx
+	push %rdx
+	nop
+	nop
+
+.section .fini
+	xor %rax,%rax
+	push %rax
+	push %rcx
+	push %rdx
+	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/nt64/crtn.s b/crt/nt64/crtn.s
new file mode 100644
index 0000000..b2c7790
--- /dev/null
+++ b/crt/nt64/crtn.s
@@ -0,0 +1,13 @@
+.section .init
+	pop %rdx
+	pop %rcx
+	pop %r10
+	or  %r10,%rax
+	ret
+
+.section .fini
+	pop %rdx
+	pop %rcx
+	pop %r10
+	or  %r10,%rax
+	ret
diff --git a/crt/nt64/crtposix.c b/crt/nt64/crtposix.c
new file mode 100644
index 0000000..b8e5113
--- /dev/null
+++ b/crt/nt64/crtposix.c
@@ -0,0 +1,3 @@
+#include "psxglue.h"
+
+const int __crtopt_posix = __PSXOPT_POSIX;