Lots of work on the build system

photon/libc/include/stdint.h

@@ -48,6 +48,4 @@ typedef __uintmax_t uintmax_t;
 typedef __intptr_t intptr_t;
 typedef __uintptr_t uintptr_t;
 
-typedef
-
 #endif /* STDINT_H_ */

photon/libc/include/stdio.h

@@ -0,0 +1,30 @@
+#ifndef STDIO_H_
+#define STDIO_H_
+
+#include <sys/_fconst.h>
+
+#if defined(__FILENAME_MAX)
+#define FILENAME_MAX __FILENAME_MAX
+#else
+#define FILENAME_MAX 1024
+#endif
+
+#define SEEK_SET __SEEK_SET
+#define SEEK_CUR __SEEK_CUR
+#define SEEK_END __SEEK_END
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+typedef struct __io_file FILE;
+
+extern FILE *stdin;
+extern FILE *stdout;
+extern FILE *stderr;
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif

photon/libc/sys/linux/__fio.h

@@ -0,0 +1,20 @@
+#ifndef SYS_LINUX___FIO_H_
+#define SYS_LINUX___FIO_H_
+
+#define __FIO_BUFSZ 512
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+struct __io_file {
+    char buf[__FIO_BUFSZ];
+    unsigned int buf_idx;
+    unsigned int fd;
+};
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif

photon/libc/sys/linux/_fconst.h

@@ -0,0 +1,10 @@
+#ifndef SYS_LINUX__FCONST_H_
+#define SYS_LINUX__FCONST_H_
+
+#define __FILENAME_MAX 1024
+
+#define __SEEK_SET 0
+#define __SEEK_CUR 1
+#define __SEEK_END 2
+
+#endif

photon/libc/sys/linux/fio.c

@@ -0,0 +1,16 @@
+#include "__fio.h"
+
+struct __io_file __stdin = {};
+struct __io_file __stdout = {};
+struct __io_file __stderr = {};
+
+struct __io_file *stdin = &__stdin;
+struct __io_file *stdout = &__stdout;
+struct __io_file *stderr = &__stderr;
+
+void __fio_init()
+{
+    __stdin.fd = 0;
+    __stdout.fd = 1;
+    __stderr.fd = 2;
+}

photon/libc/sys/linux/machine/x86_64/crt0.s

@@ -1,6 +1,9 @@
 .global _start
 .type _start, @function
 
+.extern __fio_init
+.type __fio_init, @function
+
 .extern main
 .type main, @function
 
@@ -9,6 +12,7 @@ _start:
     pop %rdi
     mov %rsp, %rsi
     andq $-16, %rsp
+    call __fio_init
     call main
     movq %rax, %rdi
     movq $60, %rax